CN109267585B - Assembled prismatic table type foundation and column structure and assembling method - Google Patents
Assembled prismatic table type foundation and column structure and assembling method Download PDFInfo
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- CN109267585B CN109267585B CN201811328981.7A CN201811328981A CN109267585B CN 109267585 B CN109267585 B CN 109267585B CN 201811328981 A CN201811328981 A CN 201811328981A CN 109267585 B CN109267585 B CN 109267585B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 239000004567 concrete Substances 0.000 claims abstract description 38
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 16
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
- Foundations (AREA)
Abstract
The invention relates to the field of prefabricated concrete structure buildings, in particular to an assembled prismatic table type foundation, a column structure and an assembling method. The structure comprises a prefabricated column and a prefabricated prismatic table foundation, wherein the prefabricated column is inserted into the top of the prefabricated prismatic table foundation, the prefabricated column consists of longitudinal stress steel bars in the column, column stirrups and embedded parts under the column, and four longitudinal stress steel bars in the column which are vertically distributed in a square form are connected through the column stirrups to form a frame structure, and the bottom surface of the frame structure is provided with the embedded parts under the column; four embedded cast iron pipes which are square and vertically arranged are arranged in the longitudinal steel bars of the prismatic table type foundation, the embedded cast iron pipes are connected through fixing steel bars which are transversely arranged to form a prefabricated prismatic table type foundation framework, and concrete is poured around the prefabricated prismatic table type foundation framework to obtain the prefabricated prismatic table type foundation. On the premise of ensuring firm connection between precast concrete components, the invention reduces the workload of wet operation as much as possible and greatly improves the construction speed and the construction quality.
Description
[ field of technology ]
The invention relates to the field of prefabricated concrete structure buildings, in particular to an assembled prismatic table type foundation, a column structure and an assembling method.
[ background Art ]
The assembled concrete structure has the advantages of high construction speed, energy conservation, environmental protection, small site wet work load and the like, and is rapidly developed in China in recent years. Currently, foundations commonly used in construction include independent foundations, strip foundations, raft foundations, box foundations, and pile foundations. The cone foundation is an independent foundation, and has very wide application in the field of building structures. At present, the conical foundation mainly adopts on-site irrigation, and the related technical invention of the assembled conical foundation for the building field does not exist, so that wet operation is required for construction, and the construction speed is low. Therefore, an assembled conical foundation structure and a column structure which is matched and connected with the assembled conical foundation are provided, and an assembling method is provided, so that the construction progress is accelerated, and the requirements of environmental protection and energy saving of the current assembled concrete building are met.
[ invention ]
The invention aims to provide an assembled prismatic table foundation, a column structure which is matched and connected with the assembled prismatic table foundation and an assembling method, and the assembled prismatic table foundation reduces the workload of wet operation as much as possible on the premise of ensuring firm connection between precast concrete components, and greatly improves the construction speed and the construction quality.
The technical scheme of the invention is as follows:
the utility model provides an assembled prismatic table type basis and post structure, includes prefabricated post and prefabricated prismatic table type basis, and the prefabricated post passes through embedded part cartridge in prefabricated prismatic table type basis top under the post, specifically as follows:
the prefabricated column consists of longitudinal stress steel bars in the column, column hoops, embedded parts under the column and concrete, wherein the four longitudinal stress steel bars in the column which are vertically arranged in a square form are connected through the column hoops to form a frame structure, the bottom surface of the frame structure is provided with the embedded parts under the column, and concrete is poured on the inner side and the outer side of the frame structure to form the prefabricated column;
the prefabricated prismatic table type foundation is composed of steel bars in the prefabricated prismatic table type foundation, embedded cast iron pipes and concrete, wherein the steel bars in the prefabricated prismatic table type foundation comprise prismatic table type foundation longitudinal steel bars, prismatic table type foundation transverse stirrups and prefabricated prismatic table type foundation bottom reinforcing steel bars, four prismatic table type foundation longitudinal steel bars which are square and vertically arranged are connected through the prismatic table type foundation transverse stirrups to form a frame structure, the bottom of the frame structure is welded with the prefabricated prismatic table type foundation bottom reinforcing steel bars to form an integral structure, four embedded cast iron pipes which are square and vertically arranged are arranged in the prismatic table type foundation longitudinal steel bars, the embedded cast iron pipes are connected through fixing steel bars which are transversely arranged to form a prefabricated prismatic table type foundation framework, and concrete is poured around the prefabricated prismatic table type foundation framework to obtain the prefabricated prismatic table type foundation.
The assembled prismatic table type foundation and column structure, the embedded part under the column is composed of two U-shaped steel plates: u shaped steel board I, the welding after the perpendicular concatenation of U shaped steel board II forms, U shaped steel board I, U shaped steel board II are the U type of inversion, set up breach I in the middle of the topside inboard of U shaped steel board I, set up breach II in the middle of the topside outside of U shaped steel board II, and the topside of U shaped steel board I passes through breach I and the topside breach II of U shaped steel board II corresponds to weld after perpendicular cartridge and form post embedded part under.
The prefabricated prismatic table foundation is characterized in that the middle of the top of the prefabricated prismatic table foundation is provided with a groove-shaped structure, and the bottom of the groove-shaped structure is exposed out of the embedded cast iron pipe.
The top of the embedded cast iron pipe is buckled with a rubber plug.
The assembling method of the assembled prismatic table type foundation and the column structure comprises the following steps:
(1) Hoisting the prismatic table type foundation to a preset position, pulling out a rubber plug at the top of the embedded cast iron pipe, hoisting the prefabricated column to the top of the prefabricated prismatic table type foundation, and falling down to ensure that longitudinal stress steel bars in the column extend into the embedded cast iron pipe;
(2) After the hoisting of the precast column and the precast prismatic table foundation is completed, the embedded part under the column of the precast column is supported on the top surface of the groove of the precast prismatic table foundation, so that a gap exists between the bottom surface of the precast column and the top surface of the groove of the precast prismatic table foundation, then grouting material is poured into the connecting part of the precast column and the precast prismatic table foundation, the grouting material fills the gap between the embedded cast iron pipe and the precast column and the precast prismatic table foundation, and the connection of the precast column and the precast prismatic table foundation is completed.
According to the assembling method of the assembled prismatic table type foundation and the column structure, firstly, longitudinal stressed steel bars in a prefabricated column are fixed, and then column stirrups are bound to finish the arrangement of the steel bars in the prefabricated column; then, fixing the embedded part under the column on the column stirrup in a welding mode; and finally, supporting the template outside the longitudinal stressed steel bar in the column, pouring concrete, and dismantling the template after the concrete is solidified to finish the manufacturing of the prefabricated column.
The assembling method of the assembled prismatic table foundation and the column structure comprises the following manufacturing processes of: firstly, fixing a fixed steel bar for a pre-buried cast iron pipe, then spot-welding the fixed pre-buried cast iron pipe 4 to a prefabricated prismatic table type foundation bottom steel bar net, then buckling a rubber plug on the top of the pre-buried cast iron pipe, binding a prismatic table type foundation longitudinal steel bar 5 and a prismatic table type foundation transverse stirrup, welding the prismatic table type foundation longitudinal steel bar and the prismatic table type foundation transverse stirrup to the prefabricated prismatic table type foundation bottom steel bar net, finally supporting a prismatic table type template outside a frame structure, pouring concrete, and removing the template after the concrete is solidified, so that prefabrication of the prefabricated prismatic table type foundation is completed.
The invention has the advantages and beneficial effects that:
1. the prefabricated components are installed and connected on site, the wet workload is small, the solidification time of grouting materials is short, about 2 hours, the time required by site construction is greatly shortened, the construction speed can be greatly improved, and the cost is saved.
2. According to the invention, the connection of the prefabricated column and the prefabricated prismatic table foundation is completed by arranging the steel column lower embedded part between the prefabricated column and the prefabricated prismatic table foundation and then pouring concrete. The connecting mode can effectively realize the transmission of bending moment, shearing force and axial force between the prefabricated column and the prefabricated prismatic table foundation, ensure the integrity of the prefabricated column and the prefabricated prismatic table foundation and completely meet the requirement of structural stress.
3. The manufacturing of the parts with high precision requirements, including the manufacturing of the prefabricated column and the prefabricated prismatic table foundation, are completed in factories. The difficulty requirement of on-site assembly is not high, the learning cost of constructors can be saved, and the construction efficiency is greatly improved.
4. The invention mainly adopts assembly operation, is greatly reduced compared with original cast-in-situ operation, and meets the advantages of energy conservation, environmental protection, economic and safe green building development requirements and the like of the assembled concrete structure.
Drawings
FIG. 1 shows a U-shaped steel plate I.
FIG. 2 shows a U-shaped steel plate II.
Fig. 3 is a three-dimensional view of an underpillar embedment.
Fig. 4 is a three-dimensional view of the rubber stopper.
Fig. 5 is a three-dimensional view of the arrangement of the rebar in the prefabricated column.
Fig. 6 is a three-dimensional view of the arrangement of the rebar in the post of the welded embedment.
Fig. 7 is a three-dimensional view of the precast column after casting concrete.
Fig. 8 is a three-dimensional view of the arrangement of rebars within a prismatic table foundation.
Fig. 9 is a three-dimensional view of the distribution of reinforcing bars within a prismatic table foundation with a reinforcing bar sleeve installed.
Fig. 10 is a three-dimensional view of a prismatic table foundation after casting concrete.
Fig. 11 is a cross-sectional three-dimensional view of a prismatic table foundation after casting concrete.
Fig. 12 is a three-dimensional view of the installation process of the prefabricated column and the prefabricated prismatic table foundation.
Fig. 13 is a three-dimensional view of the completion of the installation of the prefabricated post and the prefabricated pyramid-type foundation.
Fig. 14 is a three-dimensional view of a post and a pre-prismatic table foundation after grouting.
In the figure, 1, a post embedded part; 2. longitudinal stress steel bars in the column; 3. column stirrups; 4. embedding a cast iron pipe; 5. prismatic table type foundation longitudinal steel bar; 6. prismatic table type foundation transverse stirrups; 7. prefabricating a reinforcement mesh at the bottom of the prismatic table type foundation; 8. fixing the reinforcing steel bars; 9. rubber stopper 10, grout, 11, U shaped steel board I, 12, breach I, 13, U shaped steel board II, 14, breach II.
Detailed Description
As shown in fig. 1 to 14, the assembled prismatic table foundation and the column structure of the present invention mainly include prefabricated columns and prefabricated prismatic table foundations, and specifically include the following:
as shown in fig. 1-3, the concrete structure and the manufacturing process of the embedded part under the post are as follows:
(1) The post embedded part 1 is formed by welding two U-shaped steel plates (U-shaped steel plates I11 and II 13) after being vertically spliced, the U-shaped steel plates I11 and II 13 are of inverted U-shaped, a notch I12 is arranged in the middle of the inner side of the top edge of the U-shaped steel plate I11, a notch II 14 is arranged in the middle of the outer side of the top edge of the U-shaped steel plate II 13, the top edge of the U-shaped steel plate I11 corresponds to the top edge notch II 14 of the U-shaped steel plate II 13 through the notch I12, and the post embedded part 1 is formed by welding after vertical insertion.
(2) The width of the embedded part 1 under the column is 10mm, 15mm, 20mm, 25mm or 30mm, the thickness is 10mm, 15mm, 20mm, and the height is 20mm, and specific width and thickness values need to be calculated according to the weight of the column, namely the requirement of bearing the weight of the column is met.
As shown in fig. 5 to 7, the specific structure and the manufacturing process of the prefabricated column are as follows:
(1) As shown in fig. 5 to 6, the prefabricated column is composed of a column inner longitudinal stress steel bar 2, a column hoop steel bar 3, a column lower embedded part 1 and concrete, four column inner longitudinal stress steel bars 2 which are vertically distributed in a square shape are connected through the column hoop steel bar 3 to form a frame structure, the column lower embedded part 1 is arranged on the bottom surface of the frame structure, and concrete is poured on the inner side and the outer side of the frame structure to form the prefabricated column.
(2) The manufacturing process of the prefabricated column comprises the following steps: firstly, fixing longitudinal stress steel bars 2 in a prefabricated column, and binding column stirrups 3 to complete the arrangement of the steel bars in the prefabricated column. Then, the under-column embedded part 1 is fixed on the column stirrup 3 in a welding mode.
As shown in fig. 7, the formwork is supported outside the longitudinal stress steel bars 2 in the column, concrete is poured, and the formwork is removed after the concrete is solidified, so that the prefabricated column is manufactured.
As shown in fig. 8 to 11, the concrete structure and the manufacturing process of the prefabricated prismatic table foundation are as follows:
(1) As shown in fig. 8-9, the steel bars in the prefabricated prismatic table foundation comprise prismatic table foundation longitudinal steel bars 5, prismatic table foundation transverse stirrups 6 and prefabricated prismatic table foundation bottom steel bar nets 7, four prismatic table foundation longitudinal steel bars 5 which are square and vertically arranged are connected through the prismatic table foundation transverse stirrups 6 to form a frame structure, the bottom of the frame structure (namely the lower end of the prismatic table foundation longitudinal steel bars 5) is welded with the prefabricated prismatic table foundation bottom steel bar nets 7 to form an integral structure, four embedded cast iron pipes 4 which are square and vertically arranged are arranged in the prismatic table foundation longitudinal steel bars 5, the embedded cast iron pipes 4 are connected through fixing steel bars 8 which are horizontally arranged to form a prefabricated prismatic table foundation framework, and concrete is poured around the prefabricated prismatic table foundation framework to obtain the prefabricated prismatic table foundation.
(2) As shown in fig. 10 and 11, the manufacturing process of the prefabricated prismatic table foundation is as follows: firstly, fixing an embedded cast iron pipe 4 by using a fixing reinforcing steel bar 8, then spot-welding the fixed embedded cast iron pipe 4 to a reinforcement mesh 7 at the bottom of a prefabricated prismatic table foundation, then buckling a rubber plug 9 on the top of the embedded cast iron pipe 4, binding a prismatic table foundation longitudinal reinforcing steel bar 5 and a prismatic table foundation transverse stirrup 6, welding the reinforcement mesh to the reinforcement mesh 7 at the bottom of the prefabricated prismatic table foundation, finally supporting a prismatic table template outside a frame structure, pouring concrete, and dismantling the template after the concrete is solidified, thereby finishing prefabrication of the prefabricated prismatic table foundation. The purpose of the rubber stopper 9 is to prevent concrete from falling into the embedded cast iron pipe 4 when the concrete is poured. The middle of the top of the prefabricated prismatic table foundation is provided with a groove-shaped structure, and the bottom of the groove-shaped structure is exposed out of the embedded cast iron pipe 4.
And (IV) as shown in fig. 12-14, the prefabricated components are prefabricated in a factory and then transported to a construction site for assembly, and the specific hoisting process is as follows:
(1) As shown in fig. 12, firstly hoisting a prismatic table foundation to a preset position, pulling out a rubber plug 9, then hoisting a prefabricated column to the top of the prefabricated prismatic table foundation, and falling down to ensure that a longitudinal stress steel bar 2 in the column extends into a pre-buried cast iron pipe 4;
(2) As shown in fig. 13-14, after the hoisting of the precast column and the precast prismatic table foundation is completed, the under-column embedded part 1 of the precast column is supported on the top surface of the groove of the precast prismatic table foundation, so that a gap exists between the bottom surface of the precast column and the top surface of the groove of the precast prismatic table foundation, then grouting material 10 is poured into the connection part of the precast column and the precast prismatic table foundation, and the grouting material 10 fills the gap between the embedded cast iron pipe 4 and the precast column and the precast prismatic table foundation, thereby completing the connection of the precast column and the precast prismatic table foundation.
The force transmission mechanism of the invention is as follows: the longitudinal steel bars of the prefabricated column extend into the embedded cast iron pipe of the prefabricated prismatic table foundation, the longitudinal steel bars and the embedded cast iron pipe are firmly connected together through grouting materials, the embedded cylindrical steel pipe is firmly connected with the prefabricated prismatic table foundation, so that the longitudinal steel bars of the prefabricated column are firmly connected with the prefabricated prismatic table foundation, and the bending moment of the prefabricated column is transmitted to the prefabricated prismatic table foundation through the prefabricated longitudinal stress bars; the axial force of the prefabricated column is directly transmitted to the top surface of the groove of the prefabricated prismatic table foundation through grouting material; the shearing force of the prefabricated column is transmitted to grouting material through the embedded part below the column, and then transmitted to the prefabricated prismatic table foundation through the grouting material. Thus, the transmission of bending moment, shearing force and axial force between the prefabricated column and the prefabricated prismatic table type foundation is realized.
The implementation results show that: the invention can effectively realize the transmission of bending moment, shearing force and axial force between the prefabricated column and the prefabricated prismatic table foundation, ensure the integrity of the prefabricated column and the prefabricated prismatic table foundation and completely meet the requirement of structural stress. The on-site installation connection has the advantages of small wet workload, small time required by on-site construction, great improvement of construction speed, cost saving, learning cost saving for constructors and great improvement of construction efficiency. The method meets the requirements of energy-saving, environment-friendly, economical and safe green building development and the like on the assembled concrete structure.
Claims (4)
1. The method for assembling the assembled prismatic table type foundation and the column structure is characterized in that the assembled prismatic table type foundation and the column structure comprise prefabricated columns and prefabricated prismatic table type foundations, and the prefabricated columns are inserted into the tops of the prefabricated prismatic table type foundations through embedded parts below the columns, and specifically comprise the following steps:
the prefabricated column consists of longitudinal stress steel bars in the column, column hoops, embedded parts under the column and concrete, wherein the four longitudinal stress steel bars in the column which are vertically arranged in a square form are connected through the column hoops to form a frame structure, the bottom surface of the frame structure is provided with the embedded parts under the column, and concrete is poured on the inner side and the outer side of the frame structure to form the prefabricated column;
the prefabricated prismatic table foundation consists of steel bars in the prefabricated prismatic table foundation, embedded cast iron pipes and concrete, wherein the steel bars in the prefabricated prismatic table foundation comprise prismatic table foundation longitudinal steel bars, prismatic table foundation transverse stirrups and prefabricated prismatic table foundation bottom steel bar nets, four prismatic table foundation longitudinal steel bars which are vertically arranged in a square mode are connected through the prismatic table foundation transverse stirrups to form a frame structure, the bottom of the frame structure is welded with the prefabricated prismatic table foundation bottom steel bar nets to form an integral structure, four embedded cast iron pipes which are vertically arranged in a square mode are arranged in the prismatic table foundation longitudinal steel bars, the embedded cast iron pipes are connected through fixing steel bars which are horizontally arranged to form a prefabricated prismatic table foundation framework, and concrete is poured around the prefabricated prismatic table foundation framework to obtain the prefabricated prismatic table foundation;
the post embedded part is formed by vertically splicing a U-shaped steel plate I and a U-shaped steel plate II, wherein the U-shaped steel plate I and the U-shaped steel plate II are of an inverted U shape, a notch I is arranged in the middle of the inner side of the top edge of the U-shaped steel plate I, a notch II is arranged in the middle of the outer side of the top edge of the U-shaped steel plate II, the top edge of the U-shaped steel plate I corresponds to the top edge notch II of the U-shaped steel plate II through the notch I, and the post embedded part is formed by vertically inserting and then welding;
the middle of the top of the prefabricated prismatic table foundation is provided with a groove-shaped structure, and the bottom of the groove-shaped structure is exposed out of the embedded cast iron pipe;
the assembling method of the assembled prismatic table type foundation and the column structure comprises the following steps:
(1) Hoisting the prefabricated prismatic table foundation to a preset position, pulling out a rubber plug at the top of the embedded cast iron pipe, hoisting the prefabricated column to the top of the prefabricated prismatic table foundation, and falling the prefabricated column to ensure that longitudinal stress steel bars in the column extend into the embedded cast iron pipe after falling;
(2) After the hoisting of the precast column and the precast prismatic table foundation is completed, the embedded part under the column of the precast column is supported on the top surface of the groove of the precast prismatic table foundation, so that a gap exists between the bottom surface of the precast column and the top surface of the groove of the precast prismatic table foundation, then grouting material is poured into the connecting part of the precast column and the precast prismatic table foundation, the grouting material fills the gap between the embedded cast iron pipe and the precast column and the precast prismatic table foundation, and the connection of the precast column and the precast prismatic table foundation is completed.
2. The method of assembling a fabricated prismatic table foundation and column structure of claim 1, wherein the top of the pre-buried cast iron pipe is covered with a rubber stopper.
3. The method for assembling an assembled prismatic table foundation and a column structure according to claim 1, wherein first, the column longitudinal stress reinforcing bars of the prefabricated column are fixed, and then column stirrups are bound to complete the arrangement of the reinforcing bars in the prefabricated column; then, fixing the embedded part under the column on the column stirrup in a welding mode; and finally, supporting the template outside the longitudinal stressed steel bar in the column, pouring concrete, and dismantling the template after the concrete is solidified to finish the manufacturing of the prefabricated column.
4. The method of assembling a fabricated prismatic table foundation and column structure of claim 1, wherein the prefabricated prismatic table foundation is fabricated by: firstly, fixing a fixed steel bar for a pre-buried cast iron pipe, then spot-welding the fixed pre-buried cast iron pipe to a reinforcement mesh at the bottom of a prefabricated prismatic table foundation, then buckling a rubber plug at the top of the pre-buried cast iron pipe, binding a prismatic table foundation longitudinal steel bar and a prismatic table foundation transverse stirrup, welding the reinforcement mesh to the bottom of the prefabricated prismatic table foundation, finally supporting a prismatic table template outside a frame structure, pouring concrete, and removing the template after the concrete is solidified, thereby finishing prefabrication of the prefabricated prismatic table foundation.
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| CN201811328981.7A CN109267585B (en) | 2018-11-09 | 2018-11-09 | Assembled prismatic table type foundation and column structure and assembling method |
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| CN201811328981.7A CN109267585B (en) | 2018-11-09 | 2018-11-09 | Assembled prismatic table type foundation and column structure and assembling method |
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| CN109267585A CN109267585A (en) | 2019-01-25 |
| CN109267585B true CN109267585B (en) | 2023-12-01 |
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| CN111502121A (en) * | 2020-04-14 | 2020-08-07 | 中铁第四勘察设计院集团有限公司 | Column base joint of assembled structure and construction method thereof |
| CN112227407B (en) * | 2020-10-12 | 2022-04-01 | 山东大学 | Connecting system and connecting method for prefabricated superposed foundation and prefabricated concrete column |
| CN115125980B (en) * | 2022-07-26 | 2023-09-26 | 高松 | Mold for assembled foundation device and molding process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001207461A (en) * | 1993-05-17 | 2001-08-03 | Nkk Corp | Exposed type base of column |
| CN107059911A (en) * | 2017-06-13 | 2017-08-18 | 吉林省电力勘测设计院 | A kind of prefabricated assembled basis and its assemble method |
| CN107882051A (en) * | 2017-10-29 | 2018-04-06 | 北京工业大学 | A kind of conical pipe anchor bar connecting structure for precast assembly structure |
| CN209227579U (en) * | 2018-11-09 | 2019-08-09 | 沈阳建筑大学 | Assembled prismoid shaped basis and rod structure |
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| CN108086488B (en) * | 2017-12-01 | 2023-11-24 | 车城城建集团有限公司 | Assembled frame shear structure wall staggered connection structure and assembling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001207461A (en) * | 1993-05-17 | 2001-08-03 | Nkk Corp | Exposed type base of column |
| CN107059911A (en) * | 2017-06-13 | 2017-08-18 | 吉林省电力勘测设计院 | A kind of prefabricated assembled basis and its assemble method |
| CN107882051A (en) * | 2017-10-29 | 2018-04-06 | 北京工业大学 | A kind of conical pipe anchor bar connecting structure for precast assembly structure |
| CN209227579U (en) * | 2018-11-09 | 2019-08-09 | 沈阳建筑大学 | Assembled prismoid shaped basis and rod structure |
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