Abstract: Corrugated fluid-tight membrane fluid-tight wall (1) including two series of parallel corrugations forming a plurality of nodes (5) at the crossings of said series of corrugations, wave reinforcements (11) being arranged under the corrugations (3) of the first series of corrugations (3), two successive wave reinforcements (11) in a corrugation (3) each including a hollow sole (15) and a reinforcement portion (16) disposed above the sole (15), the two wave reinforcements (11) being developed in the corrugation (3) on either side of a node (5), a connecting member (13) at the level of the node (5) being nested in the soles (15) of said two wave reinforcements (11) in such a manner as to assemble the two wave reinforcements (11) in an aligned position.

Abstract: The invention relates to a tank wall (1) fixed onto a supporting wall (3) wherein the secondary insulating barrier comprises a plurality of secondary rows (A, B, C) parallel to a first direction and juxtaposed in a second direction at right angles to the first direction according to a repeated pattern. The secondary sealed membrane comprises a plurality of strakes (21) parallel to the first direction, the size of the repeated pattern of the secondary rows (A, B, C) being an integer multiple of the size of a strake (21) in the second direction. The primary insulating barrier (5) comprises a plurality of primary rows parallel to the first direction, and the primary sealed membrane has first corrugations (56) parallel to the first direction and spaced apart by a first regular spacing (58), wherein the size of the repeated pattern of the primary rows is an integer multiple of said first regular spacing (58).

Abstract: A sealed and thermally insulating tank for storing a low-temperature liquefied gas, having an insulating box-section with a bottom panel coming into abutment on a support wall, by means of sealant beads disposed between the support wall and the bottom panel, the sealant beads being disposed in the form of at least one closed outline delimiting at least one confined space between the support wall and the bottom panel, the bottom panel having at least one through passage leading into the confined space to allow gas to circulate between the confined space and an internal space of the insulating box-section.

Abstract: The invention relates to a tank wall (1) fixed onto a supporting wall (3) wherein the secondary insulating barrier comprises a plurality of secondary rows (A, B, C) parallel to a first direction and juxtaposed in a second direction at right angles to the first direction according to a repeated pattern. The secondary sealed membrane comprises a plurality of strakes (21) parallel to the first direction, the size of the repeated pattern of the secondary rows (A, B, C) being an integer multiple of the size of a strake (21) in the second direction. The primary insulating barrier (5) comprises a plurality of primary rows parallel to the first direction, and the primary sealed membrane has first corrugations (56) parallel to the first direction and spaced apart by a first regular spacing (58), wherein the size of the repeated pattern of the primary rows is an integer multiple of said first regular spacing (58).

Abstract: The invention relates to a tank wall (1) fixed onto a supporting wall (3) wherein the secondary insulating barrier comprises a plurality of secondary rows (A, B, C) parallel to a first direction and juxtaposed in a second direction at right angles to the first direction according to a repeated pattern. The secondary sealed membrane comprises a plurality of strakes (21) parallel to the first direction, the size of the repeated pattern of the secondary rows (A, B, C) being an integer multiple of the size of a strake (21) in the second direction. The primary insulating barrier (5) comprises a plurality of primary rows parallel to the first direction, and the primary sealed membrane has first corrugations (56) parallel to the first direction and spaced apart by a first regular spacing (58), wherein the size of the repeated pattern of the primary rows is an integer multiple of said first regular spacing (58).

Abstract: A tank that has a tank wall having a secondary insulating barrier, a primary insulating barrier, a primary sealed membrane and a secondary sealed membrane, the tank wall having a first area in which the insulating modules include spacers extending in a thickness direction of the tank wall between a cover panel and a bottom panel of said insulating modules, a second area in which a cover panel of the insulating modules is kept at a distance from a bottom panel by a structural insulating foam, a transition area interposed between the first area and the second area, the transition area having a coefficient of thermal contraction and/or a modulus of elasticity in the thickness direction of the tank wall which is between that of the first area and that of the second area.

Abstract: The invention relates to an installation for storing and transporting a liquefied gas, having a sealed pipe (7) that passes through the tank wall so as to define a fluid passage between the inside and the outside of the tank, a sealed metal sheath (29) that is disposed around the sealed pipe (7) and fitted in the opening (22) in the load-bearing wall, the sealed sheath having a longitudinal portion extending at least as far as the sealing membrane (14), the sealing membrane being joined to the sealed sheath (29) in a sealed manner, wherein the load-bearing structure comprises a coaming (24) that protrudes from an outer surface of the load-bearing wall, the sealed pipe being supported by a top wall (26) of the coaming, the sealed sheath (29) having an outer end that is disposed outside the load-bearing wall and attached to the coaming or to the sealed pipe (7) all around the sealed pipe.

Abstract: An installation for storing and transporting a cryogenic fluid on a ship includes: a sealed and thermally insulating tank, having a ceiling wall including, from the outside to the inside, a primary thermally insulating barrier and a primary sealing membrane intended to be in contact with the cryogenic fluid; and a sealed line penetrating through the ceiling wall of the tank, the line including a bottom portion of which a first end is situated inside the ceiling wall of the tank and a second end is situated outside the ceiling wall of the tank in a thicknesswise direction of the ceiling wall, and a top portion fixed to the second end of the bottom portion. The bottom portion includes an alloy with low thermal expansion coefficient. The primary sealing membrane is tightly fixed to the bottom portion of the line around the line.

Abstract: The invention relates to a tank wall (1) fixed onto a supporting wall (3) wherein the secondary insulating barrier comprises a plurality of secondary rows (A, B, C) parallel to a first direction and juxtaposed in a second direction at right angles to the first direction according to a repeated pattern. The secondary sealed membrane comprises a plurality of strakes (21) parallel to the first direction, the size of the repeated pattern of the secondary rows (A, B, C) being an integer multiple of the size of a strake (21) in the second direction. The primary insulating barrier (5) comprises a plurality of primary rows parallel to the first direction, and the primary sealed membrane has first corrugations (56) parallel to the first direction and spaced apart by a first regular spacing (58), wherein the size of the repeated pattern of the primary rows is an integer multiple of said first regular spacing (58).

Abstract: A Sealed and thermally insulated tank has a tank wall on a carrier structure. The tank wall has an insulating barrier, sealed barrier and an anchoring member. The sealed barrier has a first undulating metal membrane and a second undulating metal membrane which are located at one side and the other of the anchoring member, along an assembly edge which is oriented parallel with a longitudinal direction of the anchoring member. The first and the second membrane undulate with a first series of undulations which intersect with the assembly edge Terminal undulation portions which are associated with the first series of undulations of the first membrane extend in a direction transverse to the assembly edge in the direction of the second membrane, beyond the terminal undulation portions which are associated with the first series of undulations of the second membrane.

Abstract: Corrugated fluid-tight membrane fluid-tight wall (1) including two series of parallel corrugations forming a plurality of nodes (5) at the crossings of said series of corrugations, wave reinforcements (11) being arranged under the corrugations (3) of the first series of corrugations (3), two successive wave reinforcements (11) in a corrugation (3) each including a hollow sole (15) and a reinforcement portion (16) disposed above the sole (15), the two wave reinforcements (11) being developed in the corrugation (3) on either side of a node (5), a connecting member (13) at the level of the node (5) being nested in the soles (15) of said two wave reinforcements (11) in such a manner as to assemble the two wave reinforcements (11) in an aligned position.

Abstract: An installation for storing and transporting a cryogenic fluid on a ship includes: a sealed and thermally insulating tank, having a ceiling wall including, from the outside to the inside, a primary thermally insulating barrier and a primary sealing membrane intended to be in contact with the cryogenic fluid; and a sealed line penetrating through the ceiling wall of the tank, the line including a bottom portion of which a first end is situated inside the ceiling wall of the tank and a second end is situated outside the ceiling wall of the tank in a thicknesswise direction of the ceiling wall, and a top portion fixed to the second end of the bottom portion. The bottom portion includes an alloy with low thermal expansion coefficient. The primary sealing membrane is tightly fixed to the bottom portion of the line around the line.

Abstract: The invention relates to an installation for storing and transporting a liquefied gas, having a sealed pipe (7) that passes through the tank wall so as to define a fluid passage between the inside and the outside of the tank, a sealed metal sheath (29) that is disposed around the sealed pipe (7) and fitted in the opening (22) in the load-bearing wall, the sealed sheath having a longitudinal portion extending at least as far as the sealing membrane (14), the sealing membrane being joined to the sealed sheath (29) in a sealed manner, wherein the load-bearing structure comprises a coaming (24) that protrudes from an outer surface of the load-bearing wall, the sealed pipe being supported by a top wall (26) of the coaming, the sealed sheath (29) having an outer end that is disposed outside the load-bearing wall and attached to the coaming or to the sealed pipe (7) all around the sealed pipe.

Abstract: A tank that has a tank wall having a secondary insulating barrier, a primary insulating barrier, a primary sealed membrane and a secondary sealed membrane, the tank wall having a first area in which the insulating modules include spacers extending in a thickness direction of the tank wall between a cover panel and a bottom panel of said insulating modules, a second area in which a cover panel of the insulating modules is kept at a distance from a bottom panel by a structural insulating foam, a transition area interposed between the first area and the second area, the transition area having a coefficient of thermal contraction and/or a modulus of elasticity in the thickness direction of the tank wall which is between that of the first area and that of the second area.

Abstract: A sealed and thermally insulating tank for storing a low-temperature liquefied gas, having an insulating box-section with a bottom panel coming into abutment on a support wall, by means of sealant beads disposed between the support wall and the bottom panel, the sealant beads being disposed in the form of at least one closed outline delimiting at least one confined space between the support wall and the bottom panel, the bottom panel having at least one through passage leading into the confined space to allow gas to circulate between the confined space and an internal space of the insulating box-section.

Abstract: Sealed and thermally insulating tank comprising a sealed membrane and a thermally insulating barrier with insulating blocks comprising cover panels, the sealed membrane being made up of a corrugated metal membrane comprising a series of parallel corrugations and flat portions between the corrugations and resting on the cover panels, wherein an insulating block is twice the pitch of the corrugations, meaning that a series of corrugations comprises a pair of corrugations situated in line with one insulating block, and wherein the flat portions of the sealed membrane are arranged in line with an internal zone of the cover panels, the sealed membrane being fixed to the thermally insulating barrier by fixing the flat portions of the sealed membrane to the insulating blocks in the internal zone of the cover panels.

Abstract: A Sealed and thermally insulated tank has a tank wall on a carrier structure. The tank wall has an insulating barrier, sealed barrier and an anchoring member. The sealed barrier has a first undulating metal membrane and a second undulating metal membrane which are located at one side and the other of the anchoring member, along an assembly edge which is oriented parallel with a longitudinal direction of the anchoring member. The first and the second membrane undulate with a first series of undulations which intersect with the assembly edge Terminal undulation portions which are associated with the first series of undulations of the first membrane extend in a direction transverse to the assembly edge in the direction of the second membrane, beyond the terminal undulation portions which are associated with the first series of undulations of the second membrane.

Abstract: A sealed and thermally insulated tank for storage of a fluid, having a plurality of multilayer walls. A first of the walls has a secondary thermally insulating barrier including a first insulating panel along the intersection between the load-bearing structure of first wall and the load-bearing structure of an adjacent second wall. A second insulating panel is juxtaposed with the first insulating panel along one edge of the first panel opposing the second wall. The first wall has a secondary sealing membrane including a first corrugated metal sheet welded to a small metal plate of the first insulating panel; and a second corrugated metal sheet welded to the small metal plate of the second insulating panel. The first metal sheet and the second metal sheet are welded together via a joggled edge permitting the first and the second metal sheets to be lap welded to one another.

Abstract: A Sealed and thermally insulated tank has a tank wall on a carrier structure. The tank wall has an insulating barrier, sealed barrier and an anchoring member. The sealed barrier has a first undulating metal membrane and a second undulating metal membrane which are located at one side and the other of the anchoring member, along an assembly edge which is oriented parallel with a longitudinal direction of the anchoring member. The first and the second membrane undulate with a first series of undulations which intersect with the assembly edge. Terminal undulation portions which are associated with the first series of undulations of the first membrane extend in a direction transverse to the assembly edge in the direction of the second membrane, beyond the terminal undulation portions which are associated with the first series of undulations of the second membrane.

Abstract: The invention concerns a sealed tank including adjacent first and second walls each comprising a corrugated sealing membrane. The sealing membranes of the first and second walls join at the level of an edge, wherein the sealing membrane of the first wall includes a first series of corrugations and a second series of corrugations intersecting at the edge, and the sealing membrane of the second wall includes a third series of corrugations intersecting at the edge. The tank further includes a corner arrangement comprising a sealing membrane that is welded in sealed manner to the sealing membrane of the first wall and to the sealing membrane of the second wall, such that the corrugations of the first series of corrugations are connected to corrugations of the third series of corrugations and the corrugations of the second series of corrugations are connected to the corrugations of the third series of corrugations.