WO2023282498A1 - Procédé de fabrication de bloc de béton et procédé de construction de structure de bloc de béton - Google Patents

Procédé de fabrication de bloc de béton et procédé de construction de structure de bloc de béton Download PDF

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Publication number
WO2023282498A1
WO2023282498A1 PCT/KR2022/008737 KR2022008737W WO2023282498A1 WO 2023282498 A1 WO2023282498 A1 WO 2023282498A1 KR 2022008737 W KR2022008737 W KR 2022008737W WO 2023282498 A1 WO2023282498 A1 WO 2023282498A1
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Prior art keywords
concrete block
concrete
floor
reinforcing bar
pillar
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PCT/KR2022/008737
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English (en)
Korean (ko)
Inventor
김상기
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(주)유주웨이브
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Publication of WO2023282498A1 publication Critical patent/WO2023282498A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D25/00—Joining caissons, sinkers, or other units to each other under water

Definitions

  • the present invention relates to a construction method of concrete block structures installed on land or sea to form various structures, and in particular, concrete structures installed underwater such as berthing facilities for ports, sofa structures installed on the coast, breakwaters, etc. , It relates to a method of constructing a concrete block structure installed underwater or on the surface for various purposes, such as a concrete structure floating on the water surface, such as a platform for wind power generation.
  • Underwater concrete structures are installed for various purposes, such as docking facilities for ports, sofa structures installed on the coast, and breakwaters.
  • the large caisson construction method has the advantage of being able to withstand large waves, but since a large caisson with a very large structure must be manufactured on land, transported to the installation point, and then installed underwater, transportation and construction costs are very high, and various constraints This is a lot.
  • the present inventors have proposed a method of forming an underwater concrete block structure by stacking small concrete blocks in several stages according to the water depth.
  • the present inventor proposes Korean Patent Registration No. 10-1355805 "Construction method of underwater concrete block structure and underwater concrete block structure" (registered on January 15, 2014) to form a concrete pillar inside the waterproof membrane and to the concrete pillar Therefore, a technology was proposed to ensure that the upper concrete block and the lower concrete block have structural integrity so that the underwater concrete block structure can have sufficient structural stability even in the waves caused by a large typhoon.
  • the lower end of the concrete column may become a weak point when the concrete block structure receives a strong force from the side.
  • the present invention is proposed to further improve the prior art.
  • the offshore concrete structure may be a concrete structure that floats on the surface of the water, such as a platform for wind power generation, or a concrete structure that is submerged in water for purposes such as breakwaters and anchors.
  • large concrete structures are generally manufactured in a caisson structure.
  • the present invention has been made to solve the problems of the prior art as described above, so that the concrete pillar is not only connected to the floor concrete block body by the pillar reinforcing bar assembly, but also the lower end of the concrete pillar is supported by the reinforcing concrete wall. Therefore, we propose a construction method that can significantly improve the stiffness of the entire concrete block structure by concrete columns.
  • the present invention in the concrete block manufacturing method, a concrete block body for floor, and a concrete block body for floor extending upward in the vertical direction from the lower end connected to the inside of the concrete block body for floor
  • a reinforcing bar assembly for a column protruding upward, extending vertically upward from a lower end connected to the inside of the concrete block body for the floor, and protruding to an upper part of the concrete block body for the floor at a height lower than the reinforcing bar assembly for the column, but the column
  • a guide pole removal step of removing the guide pole may be further added after the reinforcing concrete wall forming step.
  • the guide pipe includes an upper end pipe formed at an upper end and a lower end pipe extending downward in a vertical direction with a smaller cross section than the upper end pipe at a lower end of the upper end pipe, and the lower end of the upper end pipe is the reinforcing bar. It is located higher than the upper end of the assembly, and an auxiliary cover for separation covering the outer surface of the lower end pipe may be provided to assist in separating the guide pole from the reinforcing concrete wall.
  • Another idea of the present invention in the method of constructing a concrete block structure, is a concrete block body for floor, and a lower end connected to the inside of the concrete block body for floor, extending upward in the vertical direction to the upper part of the concrete block body for floor.
  • a rebar assembly for a protruding column extending upward in a vertical direction from a lower end connected to the inside of the concrete block body for the floor, and protruding to an upper part of the concrete block body for the floor at a height lower than that of the rebar assembly for the column, and the reinforcing bar for the column
  • a first concrete block including a first concrete block body in which a reinforcing concrete wall covering a part of the upper surface of the body is formed, and the concrete block body for the floor and the reinforcing concrete wall are integrated via the reinforcing bar assembly.
  • a second concrete block including a second concrete block body having a through-hole for a second pillar extending vertically is installed on top of the first concrete block to form a concrete block assembly.
  • the second concrete block is installed so that the guide pole is inserted into the through-hole for the second pillar of the second concrete block, and the pillar binding groove of the first concrete block and the second pillar of the second concrete block
  • a second concrete block installation step in which a through hole for a concrete pillar with a lower end blocked in the concrete block assembly is formed by the through hole; After the step of installing the second concrete block, a guide pole removal step of removing the guide pole; After the step of removing the guide pole, concrete is poured into the through-hole for the concrete pillar to form a concrete pillar in which the reinforcing bar assembly for the pillar and the poured concrete are integrated in the through-hole for the concrete pillar.
  • the 1-1 watertight packing is provided on the upper surface of the reinforcing concrete wall to surround the reinforcing bar assembly for the column, and in the first concrete block installation step, the first concrete block is placed underwater. , and after the step of installing the second concrete block, a drainage step for removing water inside the through hole for the concrete pillar may be added.
  • a third watertight packing may be provided at a lower portion of the guide pipe of the guide pole to block an inflow of water into the guide pole from the outside.
  • a drain pipe extending vertically is provided inside the guide pole, and the lower end of the drain pipe communicates with the outside through a drain hole formed in the guide pipe;
  • water inside the through hole for the concrete pillar may be removed using the drain pipe.
  • a 2-1 watertight packing is provided on the upper surface of the second concrete block body to surround the through-hole for the second pillar;
  • a plurality of second concrete blocks are installed in multiple stages on top of the first concrete block, and the 2-1 watertight packing is between the second concrete blocks installed adjacent to each other vertically. It is located on the outside to block the inflow of water into the through-hole for the concrete column.
  • a first buoyancy chamber with an open upper surface is formed on the first concrete block body, and the reinforcing concrete wall is formed in a form surrounding the first buoyancy chamber, and is formed on the upper surface of the reinforcing concrete wall.
  • the first and second watertight packings are provided to surround the first buoyancy chamber, and the second concrete block body has a second buoyancy chamber with an open lower surface, and in the first concrete block installation step
  • the first concrete block is suspended on the water surface, and the second buoyancy chamber of the second concrete block and the first buoyancy chamber of the first concrete block communicate with each other in the concrete block assembly in the second concrete block installation step, so that the lower end is A blocked connection buoyancy chamber is formed, and in the second concrete block installation step, the 1-2 watertight packing is located between the first concrete block and the second concrete block to prevent water from entering the connection buoyancy chamber from the outside.
  • a first buoyancy chamber with an open upper surface is formed on the first concrete block body, and the reinforcing concrete wall is formed in a form surrounding the first buoyancy chamber, and is formed on the upper surface of the reinforcing concrete wall.
  • the first and second watertight packings are provided to surround the first buoyancy chamber, and the second concrete block body has a second buoyancy chamber with an open lower surface, and in the first concrete block installation step
  • the first concrete block is submerged in water, and in the step of installing the second concrete block, the second buoyancy chamber of the second concrete block and the first buoyancy chamber of the first concrete block communicate with each other in the concrete block assembly,
  • This closed connection buoyancy chamber is formed, and in the second concrete block installation step, the 1-2 watertight packing is located between the first concrete block and the second concrete block, so that water flows into the connection buoyancy chamber from the outside.
  • It may further include a connection buoyancy chamber drainage step of levitating the concrete block structure to the surface by the buoyancy of the connection buoyancy chamber by draining water from the
  • the second buoyancy chamber extends in the vertical direction, and the upper and lower surfaces are respectively open;
  • a plurality of through-holes for the third pillars extending in the vertical direction are formed, and a third concrete block body having a ceiling surface for the buoyancy chamber covering the upper part of the second buoyancy chamber is formed on the lower surface.
  • a third concrete block is installed on top of the second concrete block to form the concrete block assembly, and the third concrete block is installed so that the guide pole is inserted into the through-hole for the third pillar of the third concrete block.
  • a third concrete block installation step in which a hole is formed is added;
  • the concrete pillar is formed along the pillar binding groove, the second pillar through-hole, and the third pillar through-hole, and the first concrete block and the second concrete block are formed by the concrete pillar. and the third concrete block may form the concrete block structure coupled to each other.
  • the step of forming the upper concrete to cover the upper part of the connection buoyancy chamber on the upper part of the second concrete block may be added.
  • the second concrete block is provided with a 2-2 watertight packing disposed on the upper surface of the second concrete block body in a form surrounding the second buoyancy chamber;
  • a plurality of second concrete blocks are installed in multiple stages on top of the first concrete block, and the 2-2 watertight packing is installed between the second concrete blocks installed next to each other vertically. It is located on the outside to block the inflow of water into the connection buoyancy chamber.
  • a drainage step for removing water inside the through hole for the concrete column may be added.
  • first concrete block installation step a plurality of the first concrete blocks are continuously arranged in a horizontal direction;
  • second concrete block installation step a plurality of second concrete blocks are continuously arranged in a horizontal direction, and a plurality of second concrete blocks continuously arranged in a horizontal direction may be arranged on top of one of the first concrete blocks.
  • the concrete pillar is not only connected to the concrete block body for the floor by the reinforcing bar assembly for the pillar, but also the lower end of the concrete pillar is supported by the reinforcing concrete wall, so that the concrete, which is the most vulnerable part in the concrete block structure, Since the lower end of the column is formed very firmly, the stiffness of the entire concrete block structure can be greatly improved.
  • the present invention can minimize the distance between the reinforcing bar assembly and the column reinforcing bar assembly by using the guide pole when forming the reinforcing concrete body.
  • the present invention forms a high reinforcing concrete wall for strong coupling between the concrete pillar and the first concrete block, whereas the floor concrete block body can be maintained at a relatively thin thickness, thereby reducing the weight of the entire concrete block.
  • FIG. 1 to 9 are views sequentially showing a construction method of a concrete block structure according to a first embodiment of the present invention
  • FIG. 10 is a cross-sectional view of the guide pole of FIG. 2;
  • FIG. 11 is a perspective view of the guide pole of FIG. 10;
  • FIG. 12 is a perspective view of the first concrete block of FIG. 3;
  • FIG. 13 is a perspective view of the second concrete block of FIG. 5;
  • FIG. 14 is a cross-sectional view showing a state in which the concrete block aggregates of FIG. 5 are continuously arranged in the horizontal direction;
  • 15 to 25 are views sequentially showing a construction method of a concrete block structure according to a second embodiment of the present invention.
  • 26 is a perspective view of the first concrete block of FIG. 17;
  • FIG. 27 is a perspective view of the second concrete block of FIG. 19;
  • 28 to 32 are views sequentially showing a construction method of a concrete block structure according to a third embodiment of the present invention.
  • FIG. 33 is a perspective view of a third concrete block used in a modification of the third embodiment of the present invention.
  • 35 is a view showing a form of use of the concrete block structure of FIG. 34;
  • FIG. 36 is a view showing another use form of the concrete block structure of FIG. 34;
  • FIG. 37 is a view showing a modified form of FIG. 34;
  • FIG. 38 is a view showing an example of applying the concrete block structure of FIG. 36 and the concrete block structure of FIG. 37;
  • FIG. 39 is a view showing another modified form of FIG. 34;
  • FIG. 10 is a cross-sectional view of a guide pole of FIG. 2
  • FIG. 11 is a view of a guide pole of FIG.
  • FIG. 12 is a perspective view of the first concrete block of FIG. 3
  • FIG. 13 is a perspective view of the second concrete block of FIG. 5,
  • FIG. 14 shows a state in which the concrete block aggregates of FIG. 5 are continuously arranged in the horizontal direction. it is a cross section
  • a concrete block 110-1 for the floor as shown in FIG. 1 is manufactured.
  • the floor concrete block 110-1 includes a floor concrete block body 111-1, a column rebar assembly 114, and a reinforcing bar assembly 115.
  • the floor concrete block body 111-1 is a rectangular parallelepiped concrete block having a relatively thin thickness.
  • a reinforcing bar assembly 114 for a column and a reinforcing bar assembly 115 are provided to protrude upward.
  • the reinforcing bar assembly 114 for the column and the reinforcing bar assembly 115 are located on one side of the left-right direction of the concrete block body 111-1 for the floor.
  • reinforcing bar assemblies 114 for pillars separated from each other are provided, and a reinforcing bar assembly 115 is disposed in a form surrounding the reinforcing bar assemblies 114 for these pillars (see FIG. 12).
  • the lower end of the reinforcing bar assembly 114 for the column is connected to the inside of the concrete block body 110-1 for the floor (specifically, the inner reinforcing bar of the concrete block body 110-1 for the floor), and is connected to the upper part in the vertical direction from the lower end. It extends into and protrudes to the top of the concrete block body 110-1 for the floor.
  • the reinforcing bar assembly 114 for a column has a form in which vertical reinforcing bars extending in the vertical direction and horizontal reinforcing bars extending in the horizontal direction are bound to each other.
  • the upper end of the vertical reinforcing bar of the reinforcing bar assembly 114 for the column is threaded so that the male threaded portion 114a is formed.
  • the reinforcing bar assembly 115 has its lower end connected to the inside of the floor concrete block body 110-1 (specifically, the inner reinforcing bar of the floor concrete block body 110-1), and is connected to the upper part in the vertical direction from the lower end. It extends into and protrudes to the top of the concrete block body 110-1 for the floor.
  • the reinforcing bar assembly 115 has a form in which vertical reinforcing bars extending in the vertical direction and horizontal reinforcing bars extending in the horizontal direction are bound to each other.
  • the protruding height of the reinforcing bar assembly 115 is lower than the protruding height of the reinforcing bar assembly 114 for the column.
  • reinforcing bar assembly 115 is disposed in a form surrounding the reinforcing bar assembly 114 for the column.
  • the distance between the reinforcing bar assembly 115 and the column reinforcing bar assembly 114 can be minimized by such a structure. That is, it is sufficient that the distance between the reinforcing bar assembly 115 and the reinforcing bar assembly 114 for the column is formed so that the guide pole 180 described later can be inserted.
  • each of the reinforcing bar assembly 115 and the reinforcing bar assembly 114 for the column is prefabricated with only a portion of the lower end so that it is installed in advance when manufacturing the floor concrete block body 111-1, and the floor concrete block body 111-1 )
  • the reinforcing bar assembly 115 and the column reinforcing bar assembly 114 may be additionally manufactured as upper ends of each and assembled at a pre-installed lower end.
  • the guide pole 180 is installed on the upper part of the floor concrete block body 111-1 as shown in FIG.
  • the guide pole 180 includes a guide pipe 181, a third watertight packing 182, an auxiliary cover for separation 183, a drain pipe 184, a support jaw 185, and a fixing plate. 186, a fixing nut 187, and an upper insertion guide 188.
  • FIG. 10 shows a cross-sectional conceptual view of the guide pole 180
  • FIG. 11 shows an exploded perspective view of the guide pole 180.
  • the guide pipe 181 extends in the vertical direction, and in this embodiment, the shape of the guide pipe 181 is a square pipe, but various changes are possible depending on the design method.
  • the guide pipe 181 is divided into an upper pipe 181a and a lower pipe 181b, the upper pipe 181a is formed at the upper end, and the lower pipe 181b extends from the lower end of the upper pipe 181a to the lower part in the vertical direction. is extended
  • the lower pipe 181b extends with a smaller cross-sectional area than the upper pipe 181a, so the lower pipe 181b is located inside the outer surface of the upper pipe 181a.
  • an auxiliary cover 183 for separation covering the outer surface of the lower pipe 181b is provided on the outer surface of the lower pipe 181b.
  • the auxiliary cover 183 for separation prevents direct contact between the lower pipe 181b made of metal and the reinforcing concrete wall 111-2 described later, so that the guide pole 180 is easily removed from the reinforcing concrete wall 111-2. This is to help them separate.
  • an elastic rubber plate As the auxiliary cover 183 for separation, an elastic rubber plate, a Styrofoam plate, a foam rubber plate, and the like may be employed.
  • the lower end of the upper pipe 181a (that is, the upper end of the lower pipe 181b) is positioned higher than the upper end of the reinforcing bar assembly 115. This is to ensure that the auxiliary cover 183 for separation has a higher height than the height of the reinforcing concrete wall 111-2 to be described later.
  • a third watertight packing 182 is provided at the lower end of the guide pipe 181, specifically, at the lower end of the lower end pipe 181b.
  • the third watertight packing 182 is to block the inflow of water into the inside of the guide pole 180 from the outside when the guide pole 180 is installed.
  • a drain hole 181c is formed at the lower end of the guide pipe 181.
  • the drain hole 181c is formed at the lower end of the upper end pipe 181a.
  • the drain pipe 184 is a pipe extending vertically from the inside of the guide pole 180, and the lower end of the drain pipe 184 communicates with the outside through a drain hole 181c formed at the lower end of the guide pipe 181, the drain pipe The upper end of 184 extends to the upper end of guide pipe 181 .
  • the drain pipe 184 is in close contact with the inner circumferential surface of the guide pipe 181 and extends in the vertical direction.
  • a support jaw 185 is provided on the inner circumferential surface of the upper end of the guide pipe 181, and a fixing plate 186 is provided on the upper portion of the support jaw 185.
  • a plurality of reinforcing bar through-holes 186a are formed in the fixing plate 186 .
  • the guide pipe 181 is inserted into the guide pipe 181 so that the reinforcing bar assembly 114 for the column is inserted and the reinforcing bar assembly 115 is placed outside the guide pipe 181. 1) is installed at the top.
  • the guide pipe 181 is installed, and the vertical reinforcing bars of the reinforcing bar assembly 114 for a column pass through the reinforcing bar through-hole 186a of the fixing plate 186, and the edge of the fixing plate 186 is supported by the support jaw 185. After that, when the fixing nut 187 is fastened to the male threaded portion 114a of the reinforcing bar assembly 114 for the column, the guide pipe 181 presses the fixing plate 186 while the fixing nut 187 presses the concrete block body for the floor. It is temporarily fixed to (110-1).
  • the third watertight packing 182 is compressed so that water inflow into the guide pole 180 can be blocked.
  • the upper side insertion guide part 188 is installed at the upper end of the guide pipe 181.
  • the upper side insertion guide 188 has a tapered upward shape at the upper end of the guide pipe 181 .
  • the upper insertion guide 188 is detachably coupled to the guide pipe 181, and a guide protrusion for being inserted into the upper end of the guide pipe 181 is formed at the lower end of the upper insertion guide 188. there is.
  • the upper side insertion guide 188 is for guiding the installation of the second concrete block 120 to be described later.
  • a reinforcing concrete wall 111-2 is formed as shown in FIGS. 3 and 12.
  • the reinforcing concrete wall 111-2 is formed so that the reinforcing bar assembly 115 protruding upward from the floor concrete block body 111-1 is buried, and the part where the column reinforcing bar assembly 114 is located Is formed of a pillar binding groove (111b), which is an empty space.
  • the reinforcing bar assembly 114 for the column penetrates the reinforcing concrete wall 111-2 and the guide pole 180 ) (Specifically, the auxiliary cover 183 for separation) and a pillar binding groove 111b in contact are formed.
  • Such a reinforcing concrete wall 111-2 covers a part of the upper surface of the floor concrete block body 111-1, and connects the floor concrete block body 111-1 through the reinforcing bar assembly 115. It is integrated to form the first concrete block body 111.
  • a concrete block including a first concrete block body 111 and a reinforcing bar assembly 114 for a column is referred to as a first concrete block 110.
  • a 1-1 packing groove 111c is formed on the upper surface of the first concrete block body 111, specifically, on the upper surface of the reinforcing concrete wall 111-2, and the 1-1 packing groove 111c A 1-1 watertight packing 112 is provided.
  • the groove 111c for the 1-1 packing and the 1-1 watertight packing 112 are formed in a square ring shape surrounding the reinforcing bar assembly 114 for the column.
  • the first concrete block 110 with the guide pole 180 installed is installed as shown in FIG. 4 .
  • the first concrete block 110 is installed underwater. Therefore, the first concrete block 110 is installed on the underwater ground.
  • the second concrete block 120 is installed on the first concrete block 110 as shown in FIG. 5 to form a concrete block assembly 100A.
  • the second concrete block 120 includes a second concrete block body 121, and the second concrete block body 121 has a rectangular parallelepiped shape and has two through-holes 121b for second pillars extending vertically. is formed
  • the cross-sectional shape of the through-hole 121b for the second pillar is a square cross-section corresponding to the cross-sectional shape of the guide pipe 181, and the cross-sectional area of the through-hole 121b for the second pillar is the cross-sectional area of the upper end pipe 181a. formed larger.
  • the 2-1st watertight packing 122 is provided to correspond to each of the through-holes 121b for the second pillars of the second concrete block body 121.
  • the groove 121c for the 2-1 packing and the 2-1 watertight packing 122 are formed in a ring shape surrounding the through-hole 121b for the second pillar.
  • the second concrete block 120 so that the column rebar assembly 114 of the first concrete block 110 installed underwater is inserted into the through-hole 121b for the second column of the second concrete block 120 to install
  • the second concrete block 120 is inserted into the through-hole 121b for the second pillar of the second concrete block 120 so that the guide pole 180 installed on the first concrete block 110 is inserted. descend from to the bottom.
  • the upper side insertion guide part 188 of the guide pole 180 is easily inserted into the through-hole 121b for the second pillar of the second concrete block 120, and the seating position of the second concrete block 120 is maintained.
  • a plurality of second concrete blocks 120 are installed in multiple stages on top of the first concrete block 110, or in another embodiment, the second concrete block on top of the first concrete block 110 (120) will be able to be installed once.
  • a through hole 161 for a concrete pillar with a closed lower end is formed.
  • the through hole 161 for the concrete column is formed by the through hole 121b for the second column of the second concrete block 120 and the column coupling groove 111b of the first concrete block 110.
  • the 1-1 watertight packing 112 is located between the first concrete block body 111 and the second concrete block body 121 to provide a through-hole for concrete pillars 161 from the outside. It will block the inflow of water.
  • the 2-1 watertight packing 122 is positioned between the vertically arranged second concrete block bodies 121 to block the inflow of water into the through-holes 161 for concrete pillars from the outside. .
  • a plurality of first concrete blocks 110 are continuously arranged in the horizontal direction, and a plurality of second concrete blocks 120 are continuously arranged in the horizontal direction. It is a state.
  • a drainage step for removing water inside the through-hole 161 for the concrete pillar is performed, as shown in FIG. 6 .
  • the upper side insertion guide part 188 of the guide pole 180 is removed.
  • the drain device 170 including the drain pump 171 is connected to the upper end of the drain pipe 184, and by the operation of the drain pump 171, the water inside the through hole 161 for the concrete column is drained into the drain pipe ( 184) and discharged to the outside through the drainage device 170.
  • a guide pole removal step of removing the guide pole 180 is performed as shown in FIG. 7 .
  • the guide pole 180 When the fixing nut 187 is loosened, the guide pole 180 can be removed upward, and the lower end of the guide pole 180 can be easily separated from the reinforcing concrete wall 111-2 due to the auxiliary cover 183 for separation. can
  • the upper end of the reinforcing bar assembly 114 for the pillar does not form the concrete pillar 160 and protrudes to the top of the concrete pillar 160.
  • the reinforcing bar assembly 114 for a column of the first concrete block 110 has a length capable of protruding upward through the through-hole 161 for the concrete column through the through-hole 161 for the concrete column.
  • a concrete block structure 100B in which the first concrete block 110 and the second concrete block 120 are coupled to each other by the concrete pillar 160 is primarily formed.
  • the concrete block structure 100B is completed by forming the upper concrete 140 on the upper part of the concrete block assembly 100A.
  • the upper end of the pillar rebar assembly 114 protruding to the top of the concrete pillar through-hole 161 is connected to the inner reinforcing bars of the upper concrete 140.
  • the concrete pillar 160 is connected to the concrete block body 111-1 for the floor via the reinforcing bar assembly 115 for the pillar.
  • the lower end of the concrete column 160 is supported by the reinforcement concrete wall 111-2 connected to the floor concrete block 111-1 via the reinforcing bar assembly 115.
  • the guide pole 180 is used when forming the reinforcing concrete body 115, the distance between the reinforcing bar assembly 115 and the column reinforcing bar assembly 116 can be minimized.
  • the lower end of the concrete column 160 which may be the weakest part of the concrete block structure 100B, is formed very firmly, and thus the stiffness of the entire concrete block structure can be greatly improved.
  • FIG. 15 to 25 are views sequentially showing a construction method of a concrete block structure according to a second embodiment of the present invention
  • FIG. 26 is a perspective view of the first concrete block of FIG. 17
  • FIG. 27 is the first concrete block of FIG. 2It is a perspective view of a concrete block.
  • a concrete block 110-1 for the floor as shown in FIG. 15 is manufactured.
  • the floor concrete block 110-1 includes a floor concrete block body 111-1, a column rebar assembly 114, and a reinforcing bar assembly 115.
  • the reinforcing bar assembly 114 for the column and the reinforcing bar assembly 115 are disposed along the edge of the concrete block body 111-1 for the floor.
  • the guide pole 180 is installed on the upper part of the concrete block body 111-1 for the floor.
  • a reinforcing concrete wall 111-2 is formed as shown in FIGS. 17 and 26.
  • the reinforcing concrete wall 111-2 is formed so that the reinforcing bar assembly 115 protruding upward from the floor concrete block body 111-1 is buried, and the part where the column reinforcing bar assembly 114 is located Is formed of a pillar binding groove (111b).
  • a first buoyancy chamber 111a with an open upper surface is formed in the center of the upper surface of the first concrete block body 111, and a reinforcing concrete wall 111-2 is formed along the edge of the first buoyancy chamber 111a.
  • the reinforcing concrete wall 111-2 has a shape surrounding the first buoyancy chamber 111a, and a plurality of reinforcing bar assemblies 114 for pillars are disposed inside the guide pole 180.
  • one first buoyancy chamber 111a is formed and has a rectangular shape on a plane.
  • the 1-2 watertight packing 113 includes the 1-2 inner watertight packing 113-1 surrounding the first buoyancy chamber 111a, and the 1-2 inner watertight packing 113-1 ) It can be divided into the 1-2 outer watertight packing 113-2 which is located on the outside and surrounds the 1-2 inner watertight packing 113-1.
  • a plurality of reinforcing bar assemblies 114 for columns are located between the 1-2 inner watertight packing 113-1 and the 1-2 outer watertight packing 113-2.
  • the first concrete block 110 with the guide pole 180 installed is installed underwater. That is, the first concrete block 110 is submerged in water. Therefore, the first concrete block 110 is temporarily installed in the underwater ground.
  • the second concrete block 120 is installed on the first concrete block 110 to form a concrete block assembly 100A.
  • the second buoyancy chamber 121a preferably has a shape corresponding to that of the first buoyancy chamber 111a.
  • Two 2-2 packing grooves 121d are formed on the upper surface of the second concrete block body 121, and a 2-2 watertight packing 123 is provided in each 2-2 packing groove 121d. do.
  • the 2-2 watertight packing 123 includes the 2-2 inner watertight packing 123-1 surrounding the second buoyancy chamber 121a and the 2-2 inner watertight packing 123-1. It can be divided into the 2-2 outer watertight packing 123-2 which is located on the outside and surrounds the 2-2 inner watertight packing 123-1.
  • the second concrete block 120 so that the column rebar assembly 114 of the first concrete block 110 installed underwater is inserted into the through-hole 121b for the second column of the second concrete block 120 to install
  • the second concrete block 120 is inserted into the through-hole 121b for the second pillar of the second concrete block 120 so that the guide pole 180 installed on the first concrete block 110 is inserted. descend from to the bottom.
  • the upper side insertion guide part 188 of the guide pole 180 is easily inserted into the through-hole 121b for the second pillar of the second concrete block 120, and the seating position of the second concrete block 120 is maintained.
  • connection buoyancy chamber 150 with a closed lower end and a through hole for a concrete pillar 161 with a closed lower end are formed.
  • connection buoyancy chamber 150 is formed while the second buoyancy chamber 121a of the second concrete block 120 and the first buoyancy chamber 111a of the first concrete block 110 communicate with each other.
  • the through-hole 161 for the concrete column is formed while the through-hole 121b for the second column of the second concrete block 120 and the column coupling groove 111b of the first concrete block 110 communicate with each other.
  • the first and second watertight packings 113 are located between the first concrete block body 111 and the second concrete block body 121 to prevent water from entering the connection buoyancy chamber 150 from the outside. The inflow is blocked, and the inflow of water into the through-hole 161 for the concrete column is also blocked.
  • a draining step for the pillar is performed to remove water inside the through-hole 161 for the concrete pillar, as shown in FIG. 20 .
  • the drain device 170 including the drain pump 171 to the drain pipe 184, inside the through hole 161 for the concrete column. Of the water is discharged to the outside through the drain pipe 184 and the drain device 170.
  • a guide pole removal step of removing the guide pole 180 is performed as shown in FIG. 21 .
  • a concrete block structure 100B in which the first concrete block 110 and the second concrete block 120 are coupled to each other by the concrete pillar 160 is primarily formed.
  • the concrete block 140 is formed on the top of the concrete block assembly 100A to complete the underwater concrete block structure 100B.
  • the upper concrete 140 covers the upper part of the connection buoyancy chamber 150.
  • connection buoyancy chamber 150 is sealed by the second concrete block 120, the first concrete block 110, and the upper concrete 140.
  • connection buoyancy chamber drainage step is performed to float the concrete block structure 100B to the surface by draining the water inside the connection buoyancy chamber 150 to the outside.
  • a drainage device 170 including a drainage pump 171 is provided in the concrete block structure 100B, and by the operation of the drainage pump 171, water inside the connection buoyancy chamber 150 passes through the drainage device 170. discharged to the outside
  • connection buoyancy chamber 150 since water cannot flow into the connection buoyancy chamber 150 from the outside by the 1-2 watertight packing 113 and the 2-2 watertight packing 123, by this step the connection buoyancy chamber ( 150) becomes a state without water.
  • a buoyancy control device (not shown) may be further provided to adjust the buoyancy of the connection buoyancy chamber 150 .
  • the buoyancy control device may discharge water from the connection buoyancy chamber 150 to the outside or introduce water into the connection buoyancy chamber 150 to adjust the buoyancy of the connection buoyancy chamber.
  • 28 to 32 are views sequentially showing a construction method of a concrete block structure according to a third embodiment of the present invention.
  • the step of manufacturing a concrete block for the floor, installing the guide pole, and forming the reinforcing concrete wall is the same as in the second embodiment, so see FIGS. 15, 16 and 17.
  • the first concrete block 110 with the guide pole 180 installed is installed on the water surface.
  • an auxiliary buoyancy material (not shown) may be coupled to the first concrete block 110 to increase its buoyancy.
  • the structure of the second concrete block 120 and the structure of the concrete block assembly 100A are the same as those of the second embodiment, except that the concrete block assembly 100A is floating on the water surface.
  • the first concrete block body 111 is located below the water surface, it is connected to the concrete pillar through-hole 161 and the connection buoyancy chamber 150 from the outside by the 1-2 watertight packing 113. The inflow of water is blocked so that the concrete block assembly 100A can float.
  • the guide pole removal step of removing the guide pole 180 is performed as shown in FIG. 30 .
  • a concrete block structure 100B in which the first concrete block 110 and the second concrete block 120 are coupled to each other by the concrete pillar 160 is primarily formed.
  • the concrete block 140 is formed on the top of the concrete block assembly 100A to complete the underwater concrete block structure 100B.
  • the upper concrete 140 covers the upper part of the connecting buoyancy chamber 150, and the upper concrete 140 is formed with work holes 141 and the like for drainage of the connecting buoyancy chamber 150.
  • the third concrete block 130 is installed on top of the second concrete block 120 to form a concrete block assembly 100A.
  • a ceiling surface 131a for the buoyancy chamber is formed at the center of the lower surface of the third concrete block body 131, and a plurality of through-holes 131b for the third pillar are formed along the edge of the ceiling surface 131a for the buoyancy chamber. .
  • the upper side insertion guide part 188 of the guide pole 180 is easily inserted into the through-hole 131b for the third pillar of the third concrete block 130, and the seating position of the third concrete block 130 is maintained.
  • FIG. 39 shows another modified form of FIG. 34 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Revetment (AREA)

Abstract

La présente invention concerne un procédé de construction de structure de bloc de béton dans lequel une colonne de béton est reliée à un corps de bloc de béton au sol au moyen d'un ensemble barre de renforcement de colonne, et la partie d'extrémité inférieure de la colonne de béton est supportée au moyen d'une paroi en béton de renforcement, de sorte que la rigidité globale d'une structure de bloc de béton peut être remarquablement améliorée au moyen de ladite colonne de béton. Ledit procédé comprend une étape de fabrication de bloc de béton au sol, une étape d'installation de poteau de guidage, une étape de formation de paroi de béton de renforcement, une première étape d'installation de bloc de béton, une seconde étape d'installation de bloc de béton, une étape d'élimination de poteau de guidage et une étape de formation de colonne de béton.
PCT/KR2022/008737 2021-07-08 2022-06-21 Procédé de fabrication de bloc de béton et procédé de construction de structure de bloc de béton WO2023282498A1 (fr)

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KR102191675B1 (ko) * 2020-03-10 2020-12-16 김상기 수중 콘크리트 블록 구조물 시공방법
KR102353849B1 (ko) * 2021-07-08 2022-01-20 (주)유주웨이브 콘크리트 블록 제작 방법 및 콘크리트 블록 구조물 시공 방법

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KR20150047916A (ko) * 2013-10-25 2015-05-06 주식회사 대산시빌테크날러지 고정부블록을 구비한 프리캐스트 교각 시공방법
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KR102191675B1 (ko) * 2020-03-10 2020-12-16 김상기 수중 콘크리트 블록 구조물 시공방법
KR102353849B1 (ko) * 2021-07-08 2022-01-20 (주)유주웨이브 콘크리트 블록 제작 방법 및 콘크리트 블록 구조물 시공 방법

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