Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
  • B63B35/34—Pontoons
  • B63B35/38—Rigidly-interconnected pontoons
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
  • B63B35/34—Pontoons
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D27/00—Foundations as substructures
  • E02D27/01—Flat foundations
  • E02D27/04—Flat foundations in water or on quicksand
  • E02D27/06—Floating caisson foundations

Definitions

• the present invention relates to a method for producing a frame for a construction, in particular a frame more particularly adapted to a floatable construction as described in the patent application WO-03.031732.
• the patent application WO-03.031732 proposes a construction capable of moving between a first position in support of the ground and a second floating position.
• the frame of the construction consists of galvanized steel beams or aluminum for example, forming a mesh capable of receiving the insulated floor of a building. This mesh is necessary to ensure the recovery of the load and to maintain plan this floor.
• the chassis also comprises flotation means in the form of boxes trapped in the mesh of the metal structure formed by the beams.
• the metal structure must be treated to resist corrosion, especially if it is used as a chassis for a construction as described in the patent application WO-03.031732. This treatment necessarily leads to increase the cost of the structure. In addition, given the use, this surface treatment tends to deteriorate making necessary periodic maintenance. Second, the mechanical welding of the structure induces a large number of hours of labor leading to a cost of the high structure. This price is all the higher as the price of steel is itself relatively high. Furthermore, the insertion of the caisson-type flotation means inside the mesh-shaped metal structure is relatively long and complex to achieve, leading to an increase in the cost price of the chassis.
• the present invention aims at overcoming the disadvantages of the prior art by proposing a method of producing a chassis for a construction, in particular a chassis for a construction that can float as described in the patent application WO-03.031732. said method being simple to implement, making it possible to reduce the production costs and to obtain a structure that is resistant from a mechanical point of view.
• the subject of the invention is a method for producing a chassis for a floatable construction, characterized in that it comprises the steps consisting of:
• flotation means whose upper part comprises a network of grooves capable of forming forms for concrete girders as well as wells, passing through said flotation means, capable of forming forms for concrete columns, advantageously, having reinforcement in the formwork and adding a formwork at the periphery to form a belt, and
• the present invention also proposes a chassis obtained according to the aforementioned method and a module used to develop said chassis.
• FIG. 1 is a perspective view of a frame according to the invention
• FIG. ZA is a section of the frame according to a first embodiment
• FIG. 2B is a sectional view of the frame according to another variant
• FIG. 3 is a perspective view of a module used to form a frame
• FIG. 4 is a view from above of modules assembled to form a frame
• FIG. 5 is a view from above of the module represented in FIG. 3;
• FIG. 6 is a section along the line VI-VI of FIG. 5;
• FIG. 7 is a section showing two modules assembled according to a first vertical sectional plane;
• FIG. 8 is a view showing assembled modules
• FIG. 9 is a view illustrating in detail the assembly means
• FIG. 10 is a view from above showing the modules surrounding the duct formed in the chassis to allow the passage of the guide piles
• FIG. 11 is a side view showing in detail the half-module provided for the passage of the pile equipped with a reinforcing insert, and
• FIG. 12 is a perspective view illustrating the reinforcing insert.
• the chassis comprises means 12 for flotation whose upper part comprises a network of grooves capable of forming forms for concrete beams 14 and wells, passing through said means 12 for flotation, capable of forming formwork for columns 16 of concrete.
• This arrangement makes it possible to obtain a resistant frame thanks to the network of beams 14, capable of receiving a slab or a floor for a construction, said frame being able to withstand the compressive stresses produced by the construction thanks to the columns 16.
• the network consists of a first series of preferably equidistant beams and a second series of beams, preferably equidistant, perpendicular to the first beams.
• the section of the beams, the distance separating the beams as well as their number are determined by the person skilled in the art as a function, in particular, of the load likely to be applied to the frame 10.
• the section of the columns, their number and their locations are determined by those skilled in the art so that the chassis resists compression efforts.
• the beams 14 and the columns 16 comprise a stripping to increase the mechanical properties of the frame.
• the columns 16 are disposed at the intersections of the beams 14.
• the beams 14 connect the columns 16 to each other, and have a lower arch-shaped face, as illustrated in FIGS. 2A and 2B, in order to increase the mechanical properties of said beams 14.
• the legs of the columns 16 comprise damping means 20 protruding from the lower surface of the Flotation means 12.
• these damping means 20 are obtained from a rubber insert 22, as shown in FIG. 7, disposed in the lower part of the wells into which the columns are cast.
• Each insert 22 comprises in the upper part a collar capable of bearing against a shoulder formed in the lower part of the wells. This arrangement makes it possible to increase the strength of the frame and the construction in the event of an earthquake by separating the frame and the construction of the ground. This arrangement makes it possible to confer chassis seismic qualities.
• the frame 10 comprises at its upper part, at the periphery, a belt 24 of reinforced concrete capable of forming a chaining.
• the frame comprises at the periphery a formwork 26 in the form of a channel U with a first branch 28 is contiguous to the means 12 for flotation.
• Tie rods 30 are advantageously provided for connecting the upper ends of the branches of the U-shaped chute in order to prevent deformation of said chute during pouring of the concrete.
• the tie rods 30 are distributed around the waist.
• the formwork 26 can be connected directly to the floatation means 12 and / or the tie rods 30 can be connected by any appropriate means, such as, for example, by welding, to the reinforcement provided for the beams 14.
• the method of producing a frame for construction comprises the following steps:
• flotation means 12 whose upper part comprises a network of grooves capable of forming forms for concrete beams 14 and wells, passing through said flotation means 12, capable of forming forms for concrete columns 16 ,
• the formwork used to pour the concrete forms the means of flotation.
• the network of beams connected to the wells a solid mechanical connection is obtained between the concrete part and the flotation means.
• This connection can be reinforced by any means, such as for example by increasing the roughness of the surface of the flotation means forming formwork.
• the frame 10 comprises only a network of beams in the upper part as illustrated in FIG. 1.
• the frame 10 is covered by a concrete slab comprising in the lower part the beams 14 and the beams. columns 16.
• the flotation means 12 are made by assembling several modules 32 as illustrated in FIGS. 2B, 3 to 9, said modules being made by plastic molding.
• the flotation means can be made in one piece as shown in Figure ZA.
• a module 32 of substantially parallelepiped shape is made by rotational molding.
• the height of the modules 32 is adjusted according to the load supported by the chassis so that the latter can in particular float. Alternatively, layers of modules 32 may be stacked to increase the floatation capabilities of the chassis.
• the upper face of the module has a suitable shape capable of cooperating with the lower face of the upper module.
• Each module 32 comprises at its upper face two grooves 34 and 36, capable of forming a formwork for the beams 14, said grooves 34 and 36 preferably being substantially perpendicular and in a mediating position when the module has a square or rectangular shape .
• the module comprises a well 38 capable of forming a formwork for a column 16.
• the well 38 is disposed at the intersection of the grooves 34 and 36.
• the bottom of the grooves 34 and 36 is curved and inclined towards the well 38 so as to form arches when the modules are assembled as shown in Fig 2B.
• the production method consists of assembling modules 32 so as to form the flotation means 12 with, at the top, a network of grooves capable of forming forms for concrete beams 14 and wells passing through said means. 12 flotation, capable of forming forms for concrete columns 16, as shown in Figure 4.
• each module comprises in the lower part at least one recess 44, preferably four at each sector 40.
• These recesses 44 strengthen the compressive strength of the module.
• the side walls of the module also include recesses 45 also to enhance the compressive strength of the module.
• the chassis comprises assembly means 46 for connecting the different modules 32 prior to pouring the concrete and during drying.
• assembly means 46 comprise a rod 48 with at each end a claw 50.
• the length of the rod is adapted so that a first claw 50.1 is disposed below the modules and a second claw 50.2 is disposed above the modules, as shown in Figure 8.
• at least one nut is provided to cooperate with a thread formed on the rod in order to press the claws 50 against the modules and to grip said modules to hold them assembled before pouring concrete.
• the claws 50 have curved ends 52 that may cooperate with recessed shapes at the level of the modules in order to grip these modules better.
• the rods 48 extend over the entire height of the chassis or connection means 53 are provided to connect the rods of the different levels, as illustrated in FIG. 9.
• the rods 48 are disposed at the connection zone of four adjacent modules.
• the modules comprise at each angle, a recess 54 in quarter round extending over the entire height of the side walls, as shown in Figure 5.
• each module comprises at each side wall, two recesses 58 half round offset from the top, extending over the entire height of the side walls, as shown in Figure 4.
• recesses 58 facilitate the assembly of modules disposed peripherally.
• the method of making a chassis is easy and greatly simplified. It is sufficient to assemble an adequate number of modules 32 according to the desired area and shapes of the chassis. To keep them assembled, the rods 48 and the claws 50 are put in place. If necessary a second layer or several layers of modules are thus assembled.
• an array of grooves capable of forming forms for concrete beams 14 and wells passing through said float means 12, capable of forming forms for concrete columns 16, is obtained.
• the wells of each layer cooperate to obtain formwork for the columns 16 extending over the entire height of the frame.
• a chassis capable of supporting a construction is economically obtained.
• the modules can be made industrially which leads to lower manufacturing costs. These modules can then be assembled in situ quickly. Different sizes and frame shapes can be obtained by assembling identical modules according to the invention. Depending on the load to be supported, one can increase the characteristics of the chassis by assembling one or more layers of modules. By following, just pour the concrete. After drying, the frame is obtained directly.
• the chassis obtained from the invention makes it possible to obtain a floating chassis capable of supporting a construction in order to obtain a floating construction.
• the present chassis could be used in other applications, especially when it is desired to obtain a foundation above ground, detached from the ground, such as for example for a seismic construction.
• the frame 12 is intended for a construction as described in the patent application WO-03.031732.
• the frame comprises at least one duct 62 passing through the frame over its height, to allow the passage of a pile along which can slide the frame when the water level rises and the frame 12 floats.
• the chassis comprises several ducts 62 capable of housing piles along which the chassis 12 can slide.
• each duct 62 is formed in a module 64.
• this module 64 comprises preferably metallic reinforcement means 66 delimiting the duct 62, capable of reinforcing the module and limiting the deformation of said duct 62.
• the reinforcement means 66 are connected to the network of beams 14.
• they may be embedded at least in part in the network of concrete beams or connected to the connections used for the network of beams 14.
• the module (s) 64 are each obtained from two symmetrical half-modules 64.1 and 64.2 along a median vertical plane 68.
• the means 66 of FIG. reinforcement are made in two parts, one part for each half-module 64.1 and 64.2.
• the half-modules are made by molding, the reinforcing means 66 forming inserts integrated into the mold and partially embedded in the molded material.
• the reinforcement means 66 comprise, for each half-module, a cradle 70 with a section along a U-shaped vertical plane, said cradle 70 being obtained by the mechanically welded assembly of profiles.
• each cradle comprises two U, one disposed at the level of the upper plane of the module and the other disposed at the lower plane of the module, cross members connecting the U at the ends of the branches of the U and of part and 1 of the base of the U, as illustrated in FIGS. 11 and 12.
• the cradles 70 are arranged facing each other and form a duct 62 as illustrated on FIG.
• the reinforcement means 66 comprise, for each half-module, a U-shaped cradle and jambs 72 and the half-modules comprise grooves 74 in the extension of the grooves of the adjacent modules, said legs being arranged at said grooves 74.
• This arrangement makes it possible to connect the reinforcement means 66 to the beam network 14.
• a first leg 72 is provided extending perpendicularly. stretching at the base of the U of the cradle 70 in a substantially vertical plane, the other legs 72 extending perpendicularly to the branches of the U from their ends in a vertical plane.
• the half-modules are preferably made by rotational molding. They are assembled in situ to the other modules 32 by means 46 of assembly. Once assembled, the modules form the flotation means 12 with at the level of the upper face a network of grooves capable of forming forms for concrete beams 14 and wells, passing through said floating means 12, capable of forming forms for columns 16 of concrete.
• part of the jambs 72 is embedded in the network of beams 14 which contributes to improving the mechanical properties of the frame obtained.
• the invention is obviously not limited to the embodiment shown and described above, but covers all variants, especially with regard to the dimensions and materials of the various elements forming the frame.
• other materials could be used instead of concrete to be poured into the grooves and wells and ensure the mechanical strength to the chassis.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Ocean & Marine Engineering (AREA)
• Mechanical Engineering (AREA)
• Combustion & Propulsion (AREA)
• Paleontology (AREA)
• General Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Civil Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Mining & Mineral Resources (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
• Revetment (AREA)
• Rod-Shaped Construction Members (AREA)
• Body Structure For Vehicles (AREA)
• Moulds, Cores, Or Mandrels (AREA)
• Bridges Or Land Bridges (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34954937

Family Applications (1)

Country Status (9)

Families Citing this family (4)

Family Cites Families (15)

• 2004
  • 2004-12-21 FR FR0453141A patent/FR2879559B1/fr not_active Expired - Fee Related
• 2005
  • 2005-12-20 CA CA002590215A patent/CA2590215A1/fr not_active Abandoned
  • 2005-12-20 US US11/793,774 patent/US7895960B2/en not_active Expired - Fee Related
  • 2005-12-20 DE DE602005008104T patent/DE602005008104D1/de active Active
  • 2005-12-20 AT AT05847803T patent/ATE400494T1/de not_active IP Right Cessation
  • 2005-12-20 CN CNA2005800474064A patent/CN101137537A/zh active Pending
  • 2005-12-20 EP EP05847803A patent/EP1827958B1/de not_active Not-in-force
  • 2005-12-20 WO PCT/FR2005/051120 patent/WO2006067358A1/fr active IP Right Grant
  • 2005-12-20 JP JP2007546153A patent/JP2008524474A/ja active Pending

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events