Abstract: A barrier device includes a first containment chamber and a second containment chamber. The first containment chamber is secured to the second containment chamber by a connector. A barrier wall includes a first barrier device having a first containment chamber, a second containment chamber, and a connector. A containment chamber of a second barrier device is positioned between the first containment chamber and the second containment chamber and is positioned in overlying relationship to the connector. A barrier wall is built by positioning a first barrier device, having a first containment chamber, a second containment chamber, and a connector on a support surface. A containment chamber of a second barrier device is positioned between the first containment chamber and the second containment chamber of the first barrier device and overlying the connector.

Abstract: A mobile anti-flood protection device comprising flexible tubes (1) placed on top of each other with closed ends and at least one water connection. The ends of the tubes (1) are detachably fixed to holding devices (2). The holding devices are removably secured to a base plate (3a) which is fastened to a substructure (3) to be included in the ground.

Abstract: A fitting structural body, fittings included in the structural body, and a flexible sheet inflatable gate installed inside a culvert using the structural body are disclosed. In the fitting structural body, a first fitting element and a second fitting element are respectively made into one body at corner portions of the structural body. At each corner portion, no gap between each set of fittings, and no acute parts contacting an upper sheet of the gate exist.

Abstract: A portable levee system includes a bag having a preselected geometric shape. The bag is continuous in that it has a length at least equal to its width, and is preferably many times as long. A top portion of the bag is open for receiving fill material. A preferred geometric shape is a trapezoid. The bag is removably mounted to a dispenser and the dispenser dispenses the bag from a rear portion of the dispenser. A preferred dispenser is towed behind a tractor or truck and the bag is filled within the dispenser and deposited onto the ground. A method of providing a portable levee is taught wherein a levee is created in a fraction of the time required to build an equivalently-sized levee utilizing current emergency levee construction systems.

Abstract: Elongated flood control bags are filled with pillows filled with liquid or inflated with air, the pillows being arrayed in each bag, typically end to end and stacked. The bags are deployed at ground level for control of liquid flow to protect property and terrain against flow of water and rain.

Abstract: An artificial reef comprises at least one bag which is generally configured to define at least a portion of a reef and which is at least partially fillable with air. An anchor is attached to the bag for maintaining the bag at a desired location substantially underwater. A plurality of such bags may be attached to one another and configured so as to define a reef which enhances the suitability of waves for surfing or which mitigates beach erosion.

Abstract: An elongate flexible container, made of a textile fabric and having at least one filling opening. The container is filled with solid material, such as sand or other ground material, for the formation of a body adapted for use as a core or base of a dam, a quay, a bank reinforcement, a jetty or a breakwater, or for filling holes or trenches, or for use at the bed of a waterway, or for the packaging and storage of contaminated material. The container is provided at its upper side with at least one filling opening. The container includes stitching extending in the longitudinal direction of the container and mutually connecting facing edges of the textile fabric.

Abstract: A portable barrier including an elongate hollow container providing a chamber for holding fluent material to increase its weight has a stabilizing toe projecting outwardly from one of its sidewalls with the upper surface of the toe disposed at an angle relative to the horizontal and angling downwardly on progressing away from sidewall. Hinged connectors are provide at opposite ends of the barrier for connecting to adjacent barriers, and angled endwalls accommodate angular orientation of adjacent connected barriers relative to each other. A plurality of bores permit fluid to flow pass the barrier as desired, or to be stopped by the insertion of plugs. A removable flexible cover is placed over the hinged interconnection between adjacent barriers. The cover may be of a water-proof or filtering medium as desired.

Abstract: The present invention relates to portable flexible fillable barriers that are used to restrain the flow of fluids and to serve as reservoirs, containers (for solids as well) and embankments. The portable flexible fillable barrier is collapsible upon itself into a smaller size, facilitating storage and transportation, and is self-opening from the collapsed state. The portable flexible fillable barrier has a flexible fillable wall comprising an upper portion, a lower portion, a top end, a bottom end, several sides, a number of openings and a supporting frame that has inner structural cells with cell openings and an enclosing flexible membrane. Numerous portable flexible fillable barriers may share a fluid path formed by holes in shared side walls or formed by tubes leading from one portable flexible fillable barrier to another.

Abstract: A flood control system, in one aspect involving providing a plurality of substantially rigid containers, at least some of the containers having a top portion, a bottom portion and substantially rigid sidewalls operably connecting the top and bottom portions, the sidewalls being configured to withstand compressive forces between the top portion and the bottom portion; and positioning the plurality of substantially rigid containers at a selected location proximate a body of water, at least some of the substantially rigid containers being positioned at the selected location in a substantially abutting relationship to form a barrier.

Abstract: A bulkhead for dry isolation of dam gates, the bulkhead comprising a plurty of tubular log members bound together to form a platform assembly adapted to float in a horizontal attitude on a water body surface. Water and air conduits are in communication with one or more of the log members to cause the platform selectively to move between the horizontal attitude and a vertical attitude in the water body, and selectively to reduce and increase buoyancy of the platform. A conduit and valve is disposed in one of the log members for selectively permitting flow of water from the water body through the bulkhead. The invention further comprises a method for isolating a dam gate from an adjacent body of water.

Abstract: What is disclosed herein is a novel device for retaining liquids, such as water, such as in the control of flood waters. Also disclosed is its utility as a portable wall system which can be used to build support structures for swimming pools, synthetic watering ponds for animals, such as cattle, water storage for crops, and for water intended to be a source for fire use.

Abstract: For the purpose of providing a more economical alternative to conventional control gates for the quasi-permanent closure of all or part of the length of the overflow spillway of a dam except when discharging extraordinary floods, the invention consists of installing on the sill of the spillway a water level raising means comprising at least one heavy element, held by gravity on the sill, the water level raising means or its element being designed to overturn at a predetermined head corresponding to a headwater level not higher than the predetermined maximum water level in order to discharge extraordinary floods, smaller floods being discharged by a separate flood discharge structure.

Abstract: This invention is an erosion control device in the form of a plurality of nestled, triangular-in-cross-section modules forming units. These units can be interconnected to form erosion control device of any desired length. These erosion control and refurbishing devices are preferably made from recycled plastic and can be sand colored to blend with the natural scenery. They also will not harm the environment nor injure people who come into contact with the same.

Abstract: For the purpose of effecting a quasi-permanent raising of the normal water level of an impounded reservoir and thereby augmenting its storage capacity except during the passage of major floods, the invention consists of installing on the sill of the spillway a water level raising means comprising at least one heavy element, the said means or water level raising elements being capable of resisting the water loads when spilling moderate heads (for discharging the floods of shorter recurrence intervals) by virtue of their own weight but breaching by overturning at a predetermined head corresponding to a level not higher than a predetermined maximum water level in order to discharge larger floods.

Abstract: System for the construction and utilization of multitubular structures called modules A, whose joined elements (2) have a cylindrical or prismatic shape. The dimensions (L, l) transversely to the axis (X--X) of the elements (2) are greater than the dimension (h) along this axis (X--X). Several joined modules constitute a line of modules, used to close off a river. Several lines of modules can be superimposed to build an overspill structure of a certain height. Structure is provided to float a line of modules into place above its sinking site. Modules can also be used advantageously for certain works built on dry ground.

Abstract: A flood water containment bag constructed of lightweight, inexpensive porous material with a quantity of water absorbent material therein which increases substantially in volume and weight when it absorbs water entering into the interior of the bag. The bag can be easily and quickly transported to a point of use and arranged in a plurality of superimposed courses when in a flattened lightweight condition and will expand to form a water barrier or wall. Fastener strips are attached to top and bottom surfaces of the horizontally arranged bags to enable them to be interconnected to stabilize the formed barrier.

Abstract: An improved structure adapted for undersea construction is described comprising a plurality of foundation blocks, each foundation block comprising a rectahedral parallelepiped opposite faces of which are concave and convex, respectively, the opposite faces being sized and shaped to interengage matingly, such foundation blocks being interfitted into a three-dimensional array; a plurality of base pad units supporting said foundation blocks, each base pad unit comprising a rectahedral parallelepiped one face of which is convex, the opposite face of which has a plurality of protruding lugs, and the intermediate faces of which have T-shaped slots extending the length of each side, such base pad units being interfitted into a two-dimensional array by means of I-shaped keys which fit into adjacent T-shaped slots; a plurality of leg blocks supporting said base pad units, each of said leg blocks comprising a rectangular parallelepiped one face of which is convex, the opposite face of which is concave, the opposite fac