CN112854603A - Connecting structure of precast concrete tubular pile column and hollow floor or flat floor - Google Patents
Connecting structure of precast concrete tubular pile column and hollow floor or flat floor Download PDFInfo
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- CN112854603A CN112854603A CN202110142281.4A CN202110142281A CN112854603A CN 112854603 A CN112854603 A CN 112854603A CN 202110142281 A CN202110142281 A CN 202110142281A CN 112854603 A CN112854603 A CN 112854603A
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 116
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 claims description 16
- 239000011440 grout Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 230000001133 acceleration Effects 0.000 abstract 1
- 238000011002 quantification Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
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Abstract
The invention discloses a connecting structure of a precast concrete tubular pile and a hollow floor or a flat slab, which comprises an upper layer precast concrete tubular pile, a lower layer precast concrete tubular pile and the hollow floor or the flat slab, wherein the upper layer precast concrete tubular pile and the lower layer precast concrete tubular pile are formed by inserting connecting reinforcing steel bars into pile core holes of precast concrete tubular piles and pouring concrete, plate column node areas are arranged between the upper layer precast concrete tubular pile and the lower layer precast concrete tubular pile and the hollow floor or the flat slab, the connecting reinforcing steel bars penetrate through the plate column node areas and respectively extend into the upper layer precast concrete tubular pile and the lower layer precast concrete tubular pile to be anchored, and the plate column node areas and the upper layer precast concrete tubular pile and the lower layer precast concrete tubular pile are formed by one-time pouring concrete. The method has the advantages of simple operation, convenient construction, safety, reliability, low fault tolerance rate of construction and installation, construction progress acceleration and construction cost reduction. The precast concrete tubular pile used by the precast concrete tubular pile column is a production-quantification and standardized component, reduces the cost, realizes the production, and has the structural advantages of a hollow floor or a flat floor.
Description
Technical Field
The invention belongs to the technology of an assembled concrete building structure, and particularly relates to a connecting structure of a precast concrete tubular pile and a hollow floor or a flat floor.
Background
The assembly evaluation standard (GB/T51129-2017) item 3.0.3 stipulates that an assembly building should meet the evaluation score of a main structure part of not less than 20 points, and the main structure of the assembly building is fully divided into 50 points in an assembly building score table, wherein the proportion of vertical members such as columns, supports, bearing walls, ductile wallboards and the like reaches 35-80%, the obtainable score is 20-30 points, the proportion of members such as beams, plates, stairs, balconies, air-conditioning boards and the like reaches 70-80%, and the obtainable score is 10-20 points. If the vertical components are not prefabricated, the proportion of the components such as beams, plates, stairs, balconies, air-conditioning plates and the like is up to 80 percent, so that the proportion of the main body structure adopting the prefabricated components is quite high.
Under the call of national policy, assembly type buildings are always hot topics of the industry, but it is discovered that many difficulties and pain problems are gradually revealed, and the problems are mainly reflected in that:
the section of the precast concrete column needs to be designed according to actual engineering requirements, so that the construction cost is high, and the standardized advantage of an assembled precast member cannot be embodied.
The prefabricated concrete column node connection generally adopts grouting sleeve connection, the sleeve connection technology has higher requirements on installation technology and precision, and the field assembly connection is troublesome.
The method is limited by the production level and technical capability of the assembly type prefabricated components in China, and the component standardization system is still imperfect, so that the cost of the assembly type building in China is high, which becomes an important factor for hindering the development of the assembly type building, therefore, the reduction of the cost of the assembly type building can become a strong power for promoting the development of the assembly type building, and the most reliable and direct method for solving the cost problem technically is provided.
Disclosure of Invention
The invention aims to provide a connecting structure of a precast concrete tubular pile column and a hollow floor or a flat floor, which has the advantages of simple structure, low cost, convenient construction, safety, reliability, high construction efficiency and low fault tolerance rate of construction and installation.
The object of the invention is achieved by the following technical measures: the utility model provides a connection structure of precast concrete tubular pile and hollow superstructure or no roof beam, its characterized in that, it includes upper precast concrete tubular pile, lower floor's precast concrete tubular pile and hollow superstructure or no roof beam, upper precast concrete tubular pile and lower floor's precast concrete tubular pile insert connecting reinforcement and concreting constitution in the stake core hole of precast concrete tubular pile, be the board post node area between upper precast concrete tubular pile and lower floor's precast concrete tubular pile and hollow superstructure or no roof beam, connecting reinforcement passes board post node area stretches into upper precast concrete tubular pile and lower floor's precast concrete tubular pile in the anchor respectively, board post node area with upper strata, lower floor's precast concrete tubular pile forms for disposable concreting.
The plate column joint connection mode has the advantages of simple operation, convenient construction, safety, reliability and low fault tolerance rate of construction and installation, and can accelerate the construction progress and reduce the construction cost. The precast concrete tubular pile used by the precast concrete tubular pile column is a component with quantitative and standardized production, tubular piles with different models can be selected according to axial pressure borne by the column in actual engineering, the length of the tubular pile can be cut off from the produced tubular pile according to actual conditions, and the tubular pile in the current market can be produced in batch and has low unit price, so that the production cost can be reduced, the mass production can be realized, and the standardized degree of the use of an assembly component can be improved. Moreover, the hollow floor or the flat slab is internally provided with the light filling body, so that the material is saved, the using amount of reinforcing steel bars and concrete is saved, the loss of the template is reduced, and a large number of primary and secondary beams are not arranged, so that the construction is more convenient, the construction period is shortened, the production cost is effectively reduced, and the economic value is obvious; the self weight of the floor is reduced, the earthquake effect is reduced, and the load borne by the beams, the columns and the foundation is reduced; the hollow floor saves concrete in the main structure of the building, reduces the dead weight, reduces the manufacturing cost, increases the net height of the structure and is particularly suitable for multi-story high-rise buildings with large span, large load and large bay.
According to the stress requirement, the steel bars in the lower-layer precast concrete tubular pile body can be chiseled out by a certain length and extend upwards into the plate-column joint area for anchoring, and can also be anchored into the joint area without chiseling out by a certain length.
The concrete grade of the plate column joint area is the same as that of a hollow floor or a flat floor, and the concrete grade are finished by pouring at one time.
In order to improve the bearing capacity, rigidity and anti-cutting capacity of the floor system, the bearing component for supporting the floor system is arranged on the top of the lower layer precast concrete tubular pile column, the bearing component, the upper layer precast concrete tubular pile column, the lower layer precast concrete tubular pile column and the plate column node area are formed by one-time pouring, and the bearing component is a flat supporting plate, a column cap or a flat supporting plate arranged on the column cap. The size and the reinforcing bars of the supporting component are determined according to the calculation of the bearing capacity of punching, so that the bearing capacity requirement is met. The cross section of the plate-column joint is provided with a column cap and the size of the supporting plate is required to contain a 45-degree punching damage cone, and the requirement of bearing capacity by punching is met.
The connecting steel bar is a steel bar cage or a vertical through long steel bar formed by binding spiral stirrups and longitudinal bars.
When the height of the plate column node area is smaller, the reinforcing steel bars in the lower-layer precast concrete pipe pile body cannot extend into the plate column node area to a sufficient depth, and in order to anchor stably, the part of the reinforcing steel bars in the lower-layer precast concrete pipe pile body, which extends into the plate column node area, is bent; and when the height in slab column node district is great, when the reinforcing bar inserted the sufficient degree of depth in slab column node district, can not crooked, promptly the reinforcing bar in the precast concrete tubular pile body of lower floor stretches into the part in slab column node district and is vertical form.
When the bearing member is arranged on the top of the lower layer precast concrete tubular pile, only a grout-sitting layer is arranged between the lower end of the upper layer precast concrete tubular pile and the plate column node area; and when no bearing component is arranged on the top of the lower layer of the precast concrete tubular pile, a grout blanket is arranged between the upper end of the lower layer of the precast concrete tubular pile, the lower end of the upper layer of the precast concrete tubular pile and the plate column node area.
The precast concrete tubular pile is a prestressed or non-prestressed reinforcement PHC/PC/PRCI/PRCII hollow tubular pile or other tubular piles of mixed prestressed reinforcement and common reinforcement, and tubular piles with any other strength and model can also be used.
Compared with the prior art, the invention has the following remarkable effects:
the prefabricated concrete pipe pile column is connected with a hollow floor or a flat slab to form a new structure system, the upper end of the prefabricated concrete pipe pile column is in rigid connection with a floor slab, the rigidity can be improved, the lower end of the prefabricated concrete pipe pile column is in semi-rigid connection with the floor slab, the existing standard pipe pile has fixed axial force and bending moment bearing capacity, the bending moment of the pipe pile can be adjusted through the semi-rigid connection, and the bending moment can be conveniently adjusted within a bearing range of the pipe pile.
The tubular pile production device can select standard tubular piles according to different axial forces required in different practical projects, the tubular pile production standardization degree is high, and the tubular piles with different lengths can be cut off according to the axial forces generated in different projects and the heights of structures when the tubular piles selected in the practical projects are used as pillars. Compared with the conventional prefabricated column, one section of tubular pile meeting the requirement is intercepted from the produced standard tubular pile and used in the actual engineering, and the prefabricated column does not need to be produced according to different axial force, bending moment and length required in different actual engineering, so that the invention can realize mass production, improve the standardization degree of assembled components and reduce the manufacturing cost due to low unit price of the tubular pile.
The hollow floor or the flat slab is internally provided with the light filling body, so that the material is saved, the using amount of reinforcing steel bars and concrete is saved, the loss of the template is reduced, a large number of primary and secondary beams are not provided, the construction is more convenient, the construction period is shortened, the production cost is effectively reduced, and the economic value is obvious; the self weight of the floor is reduced, the earthquake effect is reduced, and the load borne by the beams, the columns and the foundation is reduced; the hollow floor saves concrete in the main structure of the building, reduces the dead weight, reduces the manufacturing cost, increases the net height of the structure, and is particularly suitable for multi-high-rise buildings, underground structures and the like with large span, large load and large bay.
The plate column node connection mode is simple to operate, firm in structural connection, safe, reliable, low in construction and installation fault-tolerant rate and simple in construction process, during construction, the structural columns are installed in place, and construction is conducted layer by layer from bottom to top after formwork supporting is completed, construction is facilitated, construction efficiency is greatly improved, construction cost is reduced, after the lower-layer precast concrete pipe pile is assembled, a temporary fixing frame, a temporary supporting frame and a formwork used in construction can be disassembled and recycled, construction cost is reduced, and pollution and waste are reduced.
Fifthly, concrete with the same strength as the hollow floor is used for the plate-column node, the node area and the hollow floor or the flat floor are cast in situ at one time, construction is convenient, and efficiency is high.
Sixthly, the connecting structure of the column and the floor slab can be suitable for construction of a bottom layer, a middle layer and a top layer of a building structure, namely at least one of the bottom layer, the middle layer and the top layer adopts the connecting structure of the column and the floor slab, and when one or two layers of the connecting structure adopt the connecting structure, the rest layers can adopt a cast-in-place structural system or an assembly type structural system, so that the connecting structure can be combined with the cast-in-place structural system and the assembly type structural system for use.
The structure column can use a prestressed or non-prestressed reinforcement PHC/PC/PRCI/PRCII hollow pipe pile or other pipe piles of mixed prestressed reinforcement and common reinforcement or pipe piles of any other strength and type according to the actual engineering requirements, grouting materials or concrete of any strength can be selected according to the requirements for grouting, and prestressed or non-prestressed reinforcement of any type can be used, so that the method is wide in application range and suitable for wide popularization and application.
Drawings
The invention is described in further detail below with reference to the figures and the specific embodiments.
FIG. 1 is a plan view of example 1 of the present invention;
FIG. 2 is a sectional view of example 1 of the present invention;
FIG. 3 is a sectional view of embodiment 2 of the present invention;
FIG. 4 is a sectional view of embodiment 3 of the present invention;
FIG. 5 is a sectional view of example 4 of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and 2, the connection structure of a precast concrete tubular pile and a hollow floor or a flat floor according to the present invention includes an upper precast concrete tubular pile 1, a lower precast concrete tubular pile 2, and a hollow floor 3, where the upper precast concrete tubular pile 1 and the lower precast concrete tubular pile 2 are formed by inserting a connection steel bar 12 into a pile core hole of a precast concrete tubular pile and pouring concrete, and the upper precast concrete tubular pile 1 and the lower precast concrete tubular pile 2 may be PHC/PC/PRCI/PRCII hollow tubular piles or other tubular piles of mixed prestressed steel bars and common steel bars, which are prestressed or prestressed steel bars, or tubular piles of any other strength and type. In this embodiment, the hollow floor 3 is a cast-in-place floor, and tie bars 5, plate surface reinforcing bars 6, and plate bottom reinforcing bars 7 are arranged in the slab. Plate column node areas 8 are arranged between the upper layer precast concrete tubular pile 1 and the lower layer precast concrete tubular pile 2 and the hollow floor 3, no filling bodies 9 are arranged in the plate column node areas 8, and a certain number of filling bodies 9 are regularly arranged at the initial positions 10 of the filling bodies of the hollow floor 3. Connecting reinforcement 12 passes plate column nodal point district 8 and stretches into anchor in upper precast concrete tubular pile 1 and lower floor precast concrete tubular pile 2 respectively, and in this embodiment, connecting reinforcement 12 is the steel reinforcement cage that is formed by spiral stirrup and the ligature of indulging the muscle, and in other embodiments, connecting reinforcement also can be vertical logical long reinforcing bar. The plate column node area 8, the upper layer precast concrete tubular pile column 1 and the lower layer precast concrete tubular pile column 2 are formed by pouring concrete at one time. And in this embodiment, reinforcing bar 11 in 2 piles of lower floor's precast concrete tubular pile upwards extends anchor in the board post nodal area 8, and the part that reinforcing bar 11 in 2 piles of lower floor's precast concrete tubular pile stretched into board post nodal area 8 is curved to under the condition that the reinforcing bar can not stretch into the sufficient degree of depth in board post nodal area, realize that the anchor is firm. In other embodiments, when the steel bar is inserted into the node area to a sufficient depth, the steel bar is not bent, that is, the part of the steel bar in the pile body of the lower precast concrete tubular pile, which extends into the node area of the plate column, is vertical; and according to the stress requirement, the steel bars in the lower-layer precast concrete pipe pile body can not extend into the plate column node area for anchoring.
The lower end of the upper layer precast concrete tubular pile column 1 is semi-rigidly connected or hinged with the hollow floor 3, namely, the lower end of the upper layer precast concrete tubular pile column 1 is connected with the hollow floor 3 through a connecting steel bar 12 and grouting material (or concrete) and is semi-rigidly connected or hinged; the upper end of the lower precast concrete tubular pile column 2 is rigidly connected with the hollow floor 3, namely, the upper end of the lower precast concrete tubular pile column 2 is rigidly connected with the hollow floor 3 through a reinforcing steel bar 11, a connecting reinforcing steel bar 12 and grouting material (or concrete).
In this embodiment, a supporting member for supporting the hollow floor 3 is disposed on the top of the lower precast concrete tubular pile 2, the supporting member is a flat supporting plate 13, the flat supporting plate 13 is formed by casting with the upper precast concrete tubular pile 1, the lower precast concrete tubular pile 2 and the plate column node area 8 at one time, a bent steel bar 14 and a supporting plate bottom steel bar 15 are disposed in the flat supporting plate 13, and the size, the reinforcement arrangement and the structural requirements can be determined by calculation according to the anti-shear bearing capacity.
In this embodiment, a grout blanket 17 is provided between the lower end of the upper precast concrete tubular pile column 1 and the panel column node region.
In general, the strength of the plate column is greatly different, if the concrete with the same grade as the floor slab is used in the node area of the plate column, when the strength of the column is very high, the node can be damaged, but in actual engineering, the node area should not be damaged. And if the node uses the concrete with the same grade as the column, the concrete strength of the node area and the floor slab is different, and separate pouring is needed, so that the method is very inconvenient. In order to solve the problem, under the condition that the difference between the concrete grade of the plate column node area and the concrete grade of the precast concrete pipe pile is greater than 5MPa, the concrete grade of the plate column node area 8 is the same as that of the hollow floor 3, one-time cast-in-place completion can be realized, the construction is convenient, and the efficiency is high.
The construction process in this embodiment is as follows:
And 2, after the preparation work is finished, before the precast concrete tubular pile is hoisted, paving grouting material at the position of the precast concrete tubular pile on the joint surface, hoisting the lower-layer precast concrete tubular pile to the installation position, finishing grouting, and extending the upper end of the steel bar 11 into the slab column node area.
And 3, after the columns are installed and fixed, installing a floor slab and a node area template, wherein a plurality of connecting steel bars 12 penetrate through two ends of the node area steel bars to be reserved with certain lengths, extend into pile core holes of the upper-layer precast concrete tubular pile column and the lower-layer precast concrete tubular pile column respectively, are bound and anchored with the node area steel bars, and are laid with a continuous floor slab steel bar framework above the floor slab, except for the node area, and a certain number of filling bodies are arranged in the floor slab according to rules.
And 3, after the templates are installed and the steel bars are bound, pouring concrete into the core holes and the node areas of the precast concrete tubular pile columns and the floor slabs, and after the concrete reaches a certain strength, completing the connection of the precast concrete tubular pile columns and the hollow floor or the flat floor to form a structural system.
And 4, repeating the steps 1-3 on the floor constructed by the floor constructed in the step 3 from bottom to top layer by layer. When the structure is constructed to the topmost layer, the connecting steel bars are directly anchored in the node area without leaving a certain length to extend into the upper precast concrete tubular pile.
This embodiment adopts and sits thick liquid earlier, and the construction order of hoist and mount again is more convenient, and the gasket can keep sitting thick liquid layer thickness, flattens thick liquids when avoiding the component installation. Generally, the sitting slurry is generally the sitting slurry or grouting material which has a strength larger than that of the grouting material of the grouting core.
In other embodiments, a process of placing the components first and then setting the slurry can also be adopted, and the process can be determined according to specific construction conditions.
In other embodiments, when the bottom layer or the middle layer or the top layer adopts a cast-in-place structural system, the construction method is equal to that of the cast-in-place structural system.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the floor is a flat slab 4, no supporting member is arranged on the top of the lower precast concrete tubular pile column 2, no beam is arranged on the supporting member, the floor load is directly transmitted to the foundation by the slab through the column, the structure has simple force transmission and increases the floor clear height; and a grout layer 17 is arranged between the upper end surface of the lower precast concrete tubular pile 2 and the plate column node area 8 and between the lower end surface of the upper precast concrete tubular pile 1 and the plate column node area 8.
Example 3
As shown in fig. 4, the present embodiment is different from embodiment 2 in that: the bearing component is arranged on the top of the lower-layer precast concrete tubular pile column 2, the bearing component is formed by arranging a flat supporting plate 13 on a column cap 16, and the upper end of a heavy-load column cap 16 is provided with the flat supporting plate 13 so as to reduce the bending moment value in the floor slab, bear the punching force and increase the rigidity of the floor slab, so that the load of the slab is transferred to the column more smoothly. In the panel-post nodal region 8, it is dimensioned to accommodate a 45 ° die-cut failure cone.
Example 4
As shown in fig. 5, this embodiment is different from embodiment 3 in that the holding member is only the cap 16, and a flat pallet may not be provided at the upper end of the cap 16 for a light load.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or changed in other various forms without departing from the basic technical idea of the present invention.
Claims (10)
1. The utility model provides a connection structure of precast concrete tubular pile and hollow superstructure or no roof beam, its characterized in that, it includes upper precast concrete tubular pile, lower floor's precast concrete tubular pile and hollow superstructure or no roof beam, upper precast concrete tubular pile and lower floor's precast concrete tubular pile insert connecting reinforcement and concreting constitution in the stake core hole of precast concrete tubular pile, be the board post node area between upper precast concrete tubular pile and lower floor's precast concrete tubular pile and hollow superstructure or no roof beam, connecting reinforcement passes board post node area stretches into upper precast concrete tubular pile and lower floor's precast concrete tubular pile in the anchor respectively, board post node area with upper strata, lower floor's precast concrete tubular pile forms for disposable concreting.
2. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 1, wherein: and reinforcing steel bars in the lower-layer precast concrete tubular pile body extend upwards into the plate-column joint area for anchoring.
3. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 2, wherein: the concrete grade of the plate column node area is the same as that of the hollow floor or the flat floor, and the concrete grade are finished by pouring at one time.
4. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 3, wherein: the part of the steel bar in the lower-layer precast concrete pipe pile body extending into the plate column joint area is bent.
5. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 3, wherein: the part of the steel bar in the lower-layer precast concrete pipe pile body extending into the plate column joint area is vertical.
6. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 4 or 5, wherein: the connecting steel bars are steel bar cages or vertical through long steel bars formed by binding spiral stirrups and longitudinal bars.
7. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 6, wherein: the bearing member is formed by casting the upper layer precast concrete tubular pile column, the lower layer precast concrete tubular pile column and the plate column node region at one time, and the bearing member is a flat supporting plate, a column cap or a flat supporting plate arranged on the column cap.
8. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 7, wherein: and a grout layer is arranged between the lower end of the upper precast concrete tubular pile column and the plate column node area.
9. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 6, wherein: and a grout layer is arranged between the upper end of the lower-layer precast concrete tubular pile column and the beam column node area as well as between the lower end of the upper-layer precast concrete tubular pile column and the beam column node area.
10. The connecting structure of the precast concrete tubular pile column and the hollow floor or the flat floor according to claim 9, wherein: the precast concrete tubular pile is a prestressed or non-prestressed reinforced PHC/PC/PRCI/PRCII hollow tubular pile.
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| CN202110142281.4A CN112854603A (en) | 2021-02-02 | 2021-02-02 | Connecting structure of precast concrete tubular pile column and hollow floor or flat floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389312A (en) * | 2021-07-30 | 2021-09-14 | 南通欧本建筑科技有限公司 | Carapace column girderless floor system node |
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| CN111549949A (en) * | 2020-05-22 | 2020-08-18 | 浙江大学建筑设计研究院有限公司 | Well word steel pipe reinforcement does not have roof beam superstructure structure |
| CN112112263A (en) * | 2020-07-24 | 2020-12-22 | 广东省建科建筑设计院有限公司 | Fabricated concrete beam-column joint using precast concrete tubular pile and construction method |
| CN215290989U (en) * | 2021-02-02 | 2021-12-24 | 广东省建科建筑设计院有限公司 | Connecting structure of precast concrete tubular pile column and hollow floor or flat floor |
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| CN113389312A (en) * | 2021-07-30 | 2021-09-14 | 南通欧本建筑科技有限公司 | Carapace column girderless floor system node |
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