FIXED STRUCTURE PLATFORM ON WATER
The invention relates to the fixed platform which enables to locate on the water any fixed structure such as the house, garden, road, airport, car park, children's park and holiday village in the seas, lakes and rivers. Our invention comprises the platform (7) where the floats (22) thereof capable of floating are submerged up to a safe zone 3-5 m from the water (10) surface, the floats (22) spending energy to come out on the water surface (5) produce forces to try to maintain the platform (7) always at the same point owing to the tightness of the ropes (3) of the floats (22) and where said platform (7) is prevented from being drifted by the violent storms and huge waves and the currents in the sea, wherein the platform (7) which is manufactured in a manner suitable for its purpose comprises the weight (4) to the end of which the ropes (3) are connected, the connecting ropes (3) serving to maintain the floats (22) at a constant distance from the floor and in submerged state, the floats (22) producing the buoyancy carried over by the platform (7), the carrier columns (21) connecting the floats (22) with the platform (7) and the connecting pieces (20) that connect the columns (21) with the platform (7).
The present invention relates to the fixed structure techniques such as any kind of house, garden, road, airport, car park, children's park and holiday village built on water in the seas, lakes and rivers.
It has become very important to gain land from the seas in the countries like Japan, where there is scarcity of the land in the islands and in the narrow coastal settlements. Particularly, the ability to construct airports and parking lots on the quite empty seas and to construct motorways between the islands and between the shores and the islands has acquired vital importance. Numerous studies have been made and are currently being performed in this field.
According to prior art, basically two systems have been used in the structures on water. One of these is the floating systems. They utilize the principles of floatation in physics. All such systems comprise steel floats, screen concrete pontoons filled with foam or other floating systems inside which air is retained and are thus made lighter than water. The floating airports, float bridges, oil platforms, etc. are the examples of these. The second system is the system with the stakes. These involve striking the concrete or steel stakes on the water floor in the seas, lakes or rivers, in order to provide structures on the water. Docks, roads with stake, bridges with stake, etc. may be named among the examples of such systems. In this technique, the buoyancy of water is not important. ¼ of the earth's surface is covered with continents. A big proportion of the earth surface covered with the continents comprises the mountains, streams, lakes, forests, agricultural fields, deserts and excessively dry, hot or cold regions unsuitable for urbanization. In this case, it has started to become important to gain land from the seas and the lakes in the regions where the continents joint the seas suitable for the settling of people.
In the floating systems according to the prior art, the fluctuations on the water surface and the rises and the falls of the water level directly influence the floating platform. In order to protect such floating platforms from the effects of drift, these are tied to the weights placed on the floor. As these steel ropes would break due to the changes in the water level and the wave oscillations in case these are even slightly tight, the ropes are maintained in a loose state. Such practice also leads to serious problems in the land connections of the floating systems. Another problem is the bends and the breaks on the floating platform and the rolls and twists due to the waves. This impact depends directly on the amplitude of the wave, wavelength and the change in the water level. For example, the twists, longitudinal ditches, running of water over the runway and the shakes due to the waves may make it impossible for the airplanes to land on the runway. The tolerable ditches, twists and shakes are very restricted for an airplane that lands on the runway tangentially with a velocity of above two hundred kilometers per hour. As a result, the platforms placed on the floats and the pontoons sometimes make it impossible to have a structure of runway where the airplane may land on. For instance, the floating runway project developed to expand the San Francisco airport titled “San Francisco floating runway expansion proposal” (web page: www.floatinc.com) was rejected for such technical reasons in the year 1999. On the other hand, a 1 km-long floating runway was constructed in Yokosuku Tokyo Bay for small sized airplanes in a sheltered bay with very low amount of waves. This airport project titled “1 km-long Megafloat runway built off Port of Yokosuka in Tokyo Bay (www.nkk.co.jp/en/) was realized in the year 2000. The connections of this project with the shore led to problems due to the rises and the falls in the water level, and the longitudinal twists in the runway and the longitudinal ditches as a result of the wind-caused oscillations presented technical difficulties. In all the platform applications on water employing the floats, concrete pontoons and in those with an open bottom side with air entrapped within, the surface waves act on the monoblock system from many different angles and by many different forces. The static and dynamic calculations of said actions are extremely complicated. Not only the waves, but also the surface currents and the strong wings affect the floating systems. The strong wings impart the horizontal drag forces on the parts of the floating systems located on the water. At the same time, the waves formed by the strong winds convey the forces imparted on the floating platforms to dangerous levels. It is not easy at all to cope with such forces. In almost all the practices according to prior art, the engineers, architect, mechanics have worked hard on the calculations and constructions to resist such kinetic and mechanic forces. I consider it essential to repeat hereby the main idea of my invention within the quotes, in order to allow better understanding of the problems. “Therefore, I thought that it could be possible to get rid of these problems by submerging by force the floats and the pontoons lighter than water to a depth of like 3-5 meter from the water surface, with a view to completely get rid of the complicated forces of the waves, to completely eliminate the impacts of the strong winds and to avoid to a great extent the influences of the surface currents.” The floats and the pontoons submerged by force using a weight greater than buoyancy do not loose any of their buoyancy. Many advantages will be provided by moving the same to a water level where their buoyancy remains the same, but they are protected from the effects of the surface waves, surface currents and the strong winds; hence thanks to the invention, the way is made for getting rid of complicated calculations, the necessity to build an excessively strong construction, substantial expenses and many problems all caused by the troubles related to the rough surface, strong winds and wind-caused surface currents, without any difficulty. The steel ropes with adjustable length used to submerge the components to a depth of 3-5 meter from the water surface, due to their small bending margin, carry to a great extent the stability of the water floor vertically onto the float. The float or the pontoon that continuously produces buoyancy to vertically get out of the water takes on a dynamic function. It has not been difficult at all for me to produce the steel or concrete columns with round shape to carry the stable dynamic buoyancy of said float or the pontoon onto the platform to be placed outside the water. The columns between the platforms and the float or the pontoon carry the stability of the floor onto the platform indirectly, by means of the ropes. The length (about 8 meters) of the columns that provide connection between the pontoon or the float submerged in water by means of weight and the platform on the water must be adjusted in such a way that the platform on the water will be located sufficiently upwards to avoid the impact of the surface waves. The waves may influence only the columns with a round form. The forces acting on the overall surfaces of said columns decrease to a negligible level. As a result, I discovered that we could obtain as much buoyancy as desired per unit area, by increasing or decreasing the lifting capacities of the pontoons. Hence, it has become possible to provide many different structures on water by applying any architectural, aesthetic, technical and mechanic modifications based on this main idea. In simpler terms, it has become possible to provide a rather economic and practical ground suitable for fields, gardens and any structure with a stability as high as that of the natural lands. The practices employed until the present have been in the form of the floating structures on water and those involving the stakes, and they have had to deal with aforementioned difficult calculations and problems.
As may be seen in Russian patent no. RU 2200110-C1 according to the prior art, the floatation principles of physics were taken as the basis and the stability could not be provided in the connections with the shore, due to the oscillations. Similar problems were observed.
According to another state of the prior art, the platform technologies disclosed in the U.S. patents U.S. Pat. No. 4,554,883, U.S. Pat. No. 6,196,151 B1 and the International patent no. WO 2005/118963 are also the examples of the floating systems. Below are the technical problems encountered in all the practices of the prior art:
-
- 1) Longitudinal twist problems due to waves,
- 2) Transversal twist problems due to waves,
- 3) Problems of complete drift by the currents,
- 4) Problems of shake and drift due to storms,
- 5) Icing problems on the runway and the platform at temperatures below zero,
- 6) Problems in connection with the shore in cases of varying water level,
- 7) Manufacturing problems related to constructing the platform and the runway as monoblock,
- 8) The problems related to the maintenance of the runway, platform and the carrier float or pontoon,
- 9) Problem with the longitudinal fracture of the runway in cases of sudden storm,
- 10) The problems with the low magnitude of the buoyancy per unit square meter of the runway,
- 11) The problems related to the high cost per unit square meter,
- 12) Problems of stability and the problems of water running over the platform in cases of huge waves.
As for the systems employing the stakes placed into the floor, I could determine the presence of numerous problems related to the mega structures like motorway or bridge constructed on the stakes placed into the floor. In the stake system disclosed in the patent no. CN2695482Y according to the prior art, the issues such as construction, environment, costs, icing, timing and the maintenance exhibit serious problems. These problems are the following:
-
- 1) The difficulties during the ground surveys and the construction of stakes into the floor and the environmental problems
- 2) High costs
- 3) Icing due to the presence of the open bottom side
- 4) Extensive construction times
- 5) Hardships in maintenance
The object of our invention which relates to the fixed structure techniques such as any kind of house, garden, road, airport, car park, children's park and holiday village built on water in the seas, lakes and rivers is to eliminate completely 12 problems present in the floating systems and to eliminate completely or to a great extent 5 problems present in the stake systems. Below are the other objects of our invention:
-
- 1) To enable the construction of the fixed platforms for the structures on the water, which are not affected at all by the waves, storms and the variations in the water level, are easy to manufacture and assemble
- 2) To reduce the costs and to shorten the construction time for the structures on the water
- 3) To provide high stability for the structures on the water
- 4) To provide the safety and comfort for the structures on the water, equivalent to those of the continental lands
- 5) To enable to gain land from the sea with minimum damage on the sea floor, instead of the sea fills carried in the settlements along the coastlines with substantial expenses
- 6) To provide fields on the water suitable for agricultural activities, along the mountainous coastlines where the agricultural fields are scarce
- 7) To enable the construction of the roads with fixed shore connection to the locations offshore in the cities along the coast where it is difficult to provide roads
- 8) To enable the construction of the airports with fixed shore connections offshore from the centers of population along the coast
- 9) To enable the construction of the large scale car parks with fixed shore connections in the cities along the coast
- 10) To enable the construction of any kind of structure such as the amusement centers, holiday villages, zoos, children's parks, botanic parks, earthquake houses, any kind of building with several storeys, sport centers, social facilities, schools and hospitals with fixed connection shore connections to the cities along the coast
- 11) To enable the construction of the long-range and multi-lane motorways between the islands, between the islands and the shores, between the inland seas and the shores and between the shores of the bays
- 12) To enable the construction of the oil platforms, factories and power stations
- 13) To enable the construction of the large size places for worshiping in congregation, wide concert places, villages and towns
- 14) To enable the construction of islands, wide storage fields, golf courses, racetracks and multi-shop shopping centers not in excess of several storeys, on the water.
With the invention, some of the problems with the prior art are completely eliminated and some are eliminated to a great extent. Listed below are the problems for which the solution has been provided:
-
- 1) The longitudinal twist problem has been completely eliminated for the runways, motorways, car parks, holiday villages and all the structures.
- 2) The transversal twist problems have been completely eliminated.
- 3) The problems related to drift by the currents have been reduced to acceptable limits.
- 4) The problems of shake due to storms have been completely eliminated, and the drift problems due to storms have been reduced to acceptable limits.
- 5) The problem of icing on the runways, motorways and bridges at temperatures below zero has completely been eliminated.
- 6) The problems related to the rises and falls in the sea level (flood tide and ebb tide) have been completely eliminated.
- 7) The manufacturing problems in the construction of the runway as monoblock have been completely eliminated.
- 8) The problems with the maintenance of the runway, carrier float or pontoon have been completely eliminated.
- 9) The risk of longitudinal fracture on the runway during the sudden storms has been completely eliminated.
- 10) The problem with the low magnitude of buoyancy of the runway per unit square meter has been completely eliminated.
- 11) The cost per unit square meter has been reduced approximately by half.
- 12) Stability problems have been completely eliminated, the problems related to the water running over the platform have been eliminated to a great extent and the structures on the water have provided the comfort, safety and stability equivalent to those when living in the continent.
The basic logic of our invention is to get rid of the problems encountered with the prior art by submerging by force the floats and the pontoons lighter than water to a depth of like 3-5 meter from the water surface, with a view to completely get rid of the complicated forces of the waves, to completely eliminate the impacts of the strong winds and to avoid to a great extent the influences of the surface currents. The floats and the pontoons submerged by force using a weight greater than buoyancy do not loose any of their buoyancy. Said problems are eliminated by moving the same to a water level where their buoyancy remains the same, but they are protected from the effects of the surface waves, surface currents and the strong winds. Hence the way is made for getting rid of complicated calculations, the necessity to build an excessively strong construction, substantial expenses and many problems all caused by the troubles related to the rough surface, strong winds and wind-caused surface currents, without any difficulty. The steel ropes with adjustable length used to submerge the components to a depth of 3-5 meter from the water surface, due to their small bending margin, carry to a great extent the stability of the water floor vertically onto the float. The float or the pontoon that continuously produces buoyancy to vertically get out of the water takes on a dynamic function. It is rather easy to produce the steel or concrete columns with round shape to carry the stable dynamic buoyancy of said float or the pontoon onto the platform to be placed outside the water. The columns between the platforms and the float or the pontoon carry the stability of the floor onto the platform indirectly, by means of the ropes. The length of the columns that provide connection between the pontoon or the float submerged in water by means of weight and the platform on the water must be adjusted in such a way that the platform on the water will be located sufficiently upwards to avoid the impact of the surface waves. The waves may influence only the columns with a round form. The forces acting on the overall surfaces of said columns are negligibly small. As a result, it has been discovered that we could obtain as much buoyancy as desired per unit area, by increasing or decreasing the lifting capacities of the pontoons. It has become possible to provide many different structures on water by applying any architectural, aesthetic, technical and mechanic modifications based on this main idea. In simpler terms, it has become possible to provide a rather economic and practical ground suitable for fields, gardens and any structure with a stability as high as that of the natural lands.
Until the present, the researchers have either floated or fixed on the stakes the structures on the water. Our invention relates to a technology partially submerged by means of weights, which is therefore neither submerged nor placed on the stakes. The logic of the invention is based on an extremely simple principle. The techniques to obtain great buoyancies are known and applied, using the hollow (lighter than water) floats made of steel, polyester, reinforced screen concrete, etc. or the pontoons filled with foam. All such techniques are based on the laws of floatation. As a result, unless they are pierced and take in water and become heavier in density than water, they will not submerge. With the present invention, the pontoons and the floats are submerged and fixed up to a certain depth of water by means of the steel rope mechanism with adjustable length, using the weights close to twice of the buoyancy, in order to prevent them from being affected by the waves on the water level and the rises and the falls in the water level. Consequently, said floats or pontoons having strength suitable for the water pressure attain a vertical mechanical stability close to the dynamic ground stability, whereby they always try to get out of water, but they can go neither downwards nor upwards as they are fixed to the weight on the floor.
The fixed structure platform realized to achieve the object of the invention is illustrated in the enclosed drawings, in which:
In order to make more readily understandable the logic behind our invention which relates to the fixed structure techniques such as any kind of house, garden, road, airport, car park, children's park and holiday village built on water in the seas, lakes and rivers, let us place a plastic ball (1) having the size of a soccer ball (1) and filled with air (12) inside a netting (2). Assume we tie a rope (3) with suitable length to the handle of the netting (2), connect a weight (4) to submerge the ball (1) in water (10), and thus submerge the ball (1). As the ball (1) will want to get out of water (10) vertically, it will tighten the rope (3) tied to the netting (2) by a force corresponding to the buoyancy. We can adjust how much the ball (1) should submerge from the water level, by means of the length of the rope (3). In this simple experiment, the static stability of the weight (4) dropped onto the floor will be carried over to the ball (1) by means of the non-flexible rope (3) and the netting (2). The ball (1) must be sufficiently below the water surface (5) so that it will not be affected by the waves (11) and thus the waves (11) may easily pass over it. Let us broaden the scope of this idea. Assume we take 32 pieces of plastic balls (1) with a diameter of 25 cm. and filled with air (12). We place these one by one in 32 nettings (2) and submerge the same in the pool (4) with a depth of 2 m. by means of weights (4). We adjust the length of the ropes (3) such that all the balls (1) will be submerged at a depth of 30 cm. from the water surface (5). We arrange the weights (4) submerging the balls (1) in a suitable manner at the bottom of the pool (9) so that the balls (1) that want to come out of water will be positioned within a pattern having 4 rows of balls in width and 8 rows of balls in length. Since all the balls (1) stretch the ropes (3) in vertical direction due to buoyancy, the alignment of the weights (4) will be observed also in the balls (1). As a result, a ball (1) alignment will be obtained at about 30 cm. from the water (10) surface with a table-like shape (8) having one edge about 1 m. and the other about 2 m. Let us place a plastic table (8) having the width and length of about 1 m. and 2 m., respectively, sufficiently sized to cover all the balls (1) on the balls (1) in an inverted manner so that its legs (6) extend out of water (10). And we place a 1 m. wide and 2 m. long thick chipboard platform (7) on four legs of (6) of the table (8) extending out of water (10). It will be surprisingly observed that the stability and the strength of the floor of the pool (9) are exactly carried over to the chipboard platform (7), even when several children climb up the said chipboard platform (7). With a rough calculation, 32 balls (1) with 25 cm. diameter and the buoyancy of about 4 kg will produce a total buoyancy of approximately 128 kg. Another important feature of this experiment is the observation that the waves (11) in the pool (9) affect only the 4 legs (6) of the plastic table (8) that extend from 30 cm. below water (10) to the outside of the water. If the leg (6) of the table is about 60 cm. long, it means the chipboard platform (7) above the water (10) is about 30 cm. above the water (10) level. As a result, even under the conditions where the wave (11) amplitude is 50 cm. from peak to peak, the impact on the table (8) and the chipboard platform (7) will be minimal in this miniature system. The waves in the pool (9) will not pose any danger unless their height is sufficiently large to impact the table (8) 30 cm. under the water (10) and the chipboard platform (7) 30 cm. above the water (10).
It is not difficult at all to see that the components in practice may cope with giant waves (11) even when we enlarge the features in this miniature example by 10 times according to the scale. Also, it is very natural that a drop or rise of 15 cm., for instance, in the water (10) level of the pool will not influence the system. However, the horizontal currents in water (10) and the strong winds will partially affect this system. When the system is made as monoblock and is of substantial size, the oscillations will extremely slow down due to the decrease in the frequency of resonance. To provide crosswise ropes (26) in the connections of ropes (3) with the weights (4) on the floor will provide substantial solutions in order to minimize said oscillations. Now referring to
This simple balanced system reflects the principle of the floats (23) and steel floats (22) filled with air (12) according to the invention. Let us seat an inverted table (8) on an appropriate number of inverted and submerged buckets (15), as shown in
In
In
The column (21) centered and reinforced by 8 flags (30) on the inside must be made of preferably seamless pipe with suitable diameter and high wall thickness. Inside this column (21), the rope (3) and the pipe (33) with suitable diameter serving to convey the water (10) and air (12) and extending up to the lower sections of the column pass. Said pipe (33) open to water on the lower end and connected to the rope length adjustment outlet (34) close to the platform (7) on the upper end makes up for the reduced amount of air in the float (22) by means of pressurized air (12), when necessary. It must be of a sufficiently large inner diameter so that it will not hinder the re-adjustment of the rope (3) length when needed. Moreover, the warm floor water sucked through this pipe (33) must be of such an amount to allow the circulation thereof from the platform (7) serpentine system by means of the circulation motors. In this way, icing is prevented on the platform surface which is open on the bottom and the top to the weather conditions.
In
In
In
Reference to the horizontal sectional view in
In
In the detailed view of the connections between the weights (4) and the ropes (3) shown in
The present invention may be used to construct roads, bridges, car parks, airports, houses, amusement centers, business centers, social facilities, sport complexes, concert centers, earthquake houses, agricultural fields and the road connections between the islands, between the islands and the shores and between the shores and in all the fixed structures on the platforms, owing to the formation of the platforms suitable for any fixed structure on the water having high stability even in deep waters.
Claims
1- The invention relates to the fixed platform which enables to locate on the water any fixed structure such as the house, garden, road, airport, car park, children's park and holiday village in the seas, lakes and rivers characterized in that it comprises the platform (7) where the floats (22) thereof capable of floating are submerged up to a safe zone 3-5 m from the water (10) surface, the floats (22) spending energy to come out on the water surface (5) produce forces to try to maintain the platform (7) always at the same point owing to the tightness of the ropes (3) of the floats (22) and where said platform (7) is prevented from being drifted by the violent storms and huge waves and the currents in the sea, wherein the platform (7) which is manufactured in a manner suitable for its purpose comprises the weight (4) to the end of which the ropes (3) are connected, the connecting ropes (3) serving to maintain the floats (22) at a constant distance from the floor and in submerged state, the floats (22) producing the buoyancy carried over by the platform (7), the carrier columns (21) connecting the floats (22) with the platform (7) and the connecting pieces (20) that connect the columns (21) with the platform (7).
2- The fixed platform according to claim-1 characterized in that it is preferably made of concrete and it comprises the weight formed by filled-in block concrete resistant to sea water with reinforced concrete having iron cage placed therein, which weight has the feet thrusted into the floor to provide the same with the ability to be firmly established on the floor and the handles (41) through which the steel ropes (3) may be connected to the upper part thereof.
3- The fixed platform according to claim-1 characterized in that it comprises the connecting ropes (3) coated against oxidation and corrosion, preferably by galvanization, which have high tolerance and an as small as possible bending margin, have one end thereof secured by means of counter clamps once said ends are connected to the handle (41) located on the weight, have the other end entering through the air pipe (33) on the central axis of the float (22) and exiting at a point close to below the platform (7), and the length of which may be adjusted as desired and affixed by means of the clamps.
4- The fixed platform according to claim-1 and claim-3 characterized in that it comprises the flat connection to meet by means of the weights (4) the vertical buoyancies that must go from the pipe (33) in the central axis to below the platform (7) in order for the length of the rope (3) connected with the weight (4) to be able to be adjusted from above and the crosswise connection (26) to minimize the oscillations towards any horizontal direction.
5- The fixed platform according to claim-1 characterized in that it comprises the floats (22), preferably galvanized or painted, which are made of steel, have the bottom side open with air (12) entrapped inside, have flags (30) strengthening the column, the pipe (33) guiding the rope (3) connected with the weight (4), the hollow column (21) connected with the flags (30), the centering rods (38) close to the section where the bottom side is open, crosswise rope connection handle (40), the ratchets (35) connecting the floats to one another, the flange (20) for the connection with the platform (7) and the rope length adjustment outlet (34) under the connection flange, which are conical on the upper side and open on the bottom, have the sheet thickness decreasing downwards, are resistant to corrosion and oxidation and have a modular structure capable of being joined to one another when brought side by side.
6- The fixed platform according to claim-1 characterized in that it comprises the float (22) units made preferably of reinforced concrete on unit basis, which have a cellular structure dividing the air entrapped under them, columns affixed to the concrete block with ironstones (42) left thereon to enable casting the concrete platform (7) and handles (43) with concrete projections in the lower parts thereof to enable the connection of the weights (4), have a monoblock unit with screen concrete walls (44) with a thickness kept as small as possible and have a modular structure capable of being joined to one another when brought side by side.
7- The fixed platform according to claim-1 characterized in that it comprises the columns (21) in the concrete float (23), which columns (21) have sufficient strength to transfer the buoyancies of the floats (23) in vertical direction to the platform (7) and have sufficient mechanical strength to allow submerging the floats (23) to a safe depth below the water level and carrying the platform (7) above the safety level, have low oscillation and high carrying capacity, are preferably made of a single piece, include the steel pipe (33) where the connection rope (3) and the air pass, comprise single piece with the concrete float (23), have a semi-circular cross section inwards, and form a single cylinder (45) when brought side by side, as the floats (23) are modular.
8- The fixed platform according to claim-1 and claim-7 characterized in that the steel pipe (33) where the connection rope (3) and the air pass extends from the point it is connected with the float (23) up to the connecting projection (43) at the bottom end of the float (23).
9- The fixed platform according to claim-1 characterized in that it has the platform (7) with a slightly dome-shaped structure (46) between the columns (21), whereby the sections where the platform (7) connects with the column ironstones (42) are thick and the platform (7) cross sections become thinner with increasing distance from the columns (21).
10- The fixed platform according to claim-1 characterized in that owing to the modular structure thereof, it is possible to individually lower the damaged concrete floats (23) and the steel floats (22) towards the bottom of the water and to mount the new floats in place of the damaged ones.
11- The fixed platform according to claim-1 characterized in that it comprises the heating serpentine (47) system preventing the icing, where the warm water at the bottom of the sea coming from the steel rope (3) and the air (33) pipe will be passed, laid at suitable intervals while the platform (7) concrete is being cast.
12- The fixed platform according to claim-1 characterized in that the float (22-23) comprises the air filling system for the air cells, which forces pressurized air from the pipe inside the column (21) when the amount of air entrapped in the floats (22-23) decreases, in order to increase said amount to desired level.
13- The fixed platform according to claim-1 characterized in that the fixation of the column pipes (21) to the float (22) is performed by way of reinforcing from the inside by means of the flags (30), in order to reduce the overall exterior surface of the float (22).
14- The fixed platform according to claim-1 characterized in that the sheet iron plates (48) having a cross section that increases starting from the bottom are used in manufacturing the open steel float (22).
15- The fixed platform according to claim-1 characterized in that the conicity and the sheet thickness of the cover (36) are made maximum in a way to meet the pressure forces and to center the buoyancies of the float to be transferred to the platform (7) by means of a single column (21).
16- The fixed platform according to claim-1 characterized in that the column (21) centered and reinforced from the inside by means of the flag (30) is preferably made of a single piece of seamless pipe with large wall thickness and suitable diameter.
Type: Application
Filed: Dec 20, 2006
Publication Date: Sep 3, 2009
Inventor: Alpay Ince (Istanbul)
Application Number: 12/158,981