CN218894106U

CN218894106U - Foundation assembled single-column single-pile cap

Info

Publication number: CN218894106U
Application number: CN202223267896.9U
Authority: CN
Inventors: 叶建; 胡银波; 欧阳明勇; 李松; 武涛; 刘锐
Original assignee: China Construction Third Bureau Construction Engineering Co Ltd
Current assignee: China Construction Third Bureau Group Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-21
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of building construction and discloses a foundation assembled single-column single-pile cap which comprises a prefabricated cap, a prefabricated foundation bracing beam, a cushion layer and pile body longitudinal ribs, wherein a plurality of prefabricated cap vertical overhanging reinforcing bars are arranged on the prefabricated cap, horizontal annular constructional reinforcing bars are arranged on the inner side surface of the prefabricated cap, cap top surface reinforcing bars are arranged in post-cast concrete of the top surface of the prefabricated cap, a circular cavity is formed in the middle position of the prefabricated cap, beam sockets penetrating through side walls are arranged on the periphery of the prefabricated cap, the prefabricated foundation bracing beams are respectively arranged in the beam sockets, and the cushion layer is poured at the bottom of the prefabricated cap through concrete. The prefabricated single pile cap and the prefabricated foundation bracing beam can be produced in batches in a prefabricated component factory or near a construction site, the production technology difficulty is low, the production can be carried out in advance, the wet operation workload of the construction site is effectively reduced, the site construction efficiency is improved, the construction period is saved, and the method has good technical and economic benefits.

Description

Foundation assembled single-column single-pile cap

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a foundation assembly type single-column single-pile cap.

Background

The single-column single-pile cap with the foundation bracing beam is a common foundation form, and is constructed by binding reinforcing steel bars, supporting templates and pouring concrete on site at present. The traditional construction technology is mature in technology, but has more defects of large field wet operation workload and large manual consumption, is limited by site conditions, is extremely inconvenient in implementation process of each procedure, and has longer construction period.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a single stake cushion cap of basis assembled single column, includes prefabricated cushion cap, prefabricated foundation tie beam, bed course and pile shaft longitudinal reinforcement, be equipped with the vertical overhanging steel bar of a plurality of prefabricated cushion caps on the prefabricated cushion cap, the inside side of prefabricated cushion cap is equipped with horizontal to the hoop construction steel bar, be provided with cushion cap top surface steel bar in the post-cast concrete of prefabricated cushion cap top surface, the position is formed with circular cavity in the prefabricated cushion cap, all be equipped with the beam nest of link up the lateral wall around the prefabricated cushion cap, the prefabricated foundation tie beam is installed in the beam nest respectively, the bed course is by concrete placement in prefabricated cushion cap bottom, pile shaft longitudinal reinforcement is located the pile foundation of prefabricated cushion cap below.

As a further improvement of the technical scheme, the longitudinal stress steel bars of the frame columns on the prefabricated bearing platform are embedded with the frame column dowel bars in the foundation.

As a further improvement of the technical scheme, longitudinal ribs on the top surface of the foundation tie beam are arranged in post-cast concrete on the top surface of the prefabricated foundation tie beam.

As a further improvement of the technical scheme, post-cast laminated layer concrete is poured on the laminated layer on the top surfaces of the prefabricated bearing platform and the prefabricated foundation pull beam.

As a further improvement of the technical scheme, the pile body longitudinal bars are longitudinal stress steel bars in the pile foundation below the prefabricated bearing platform.

As a further improvement of the technical scheme, the circular cavity is a circular hole reserved in the middle during production of the prefabricated bearing platform, and the beam nest is a notch reserved in the side surface and penetrating through the side wall during production of the prefabricated bearing platform.

The beneficial effects of the utility model are as follows:

the prefabricated single pile cap and the prefabricated foundation bracing beam can be produced in batches in a prefabricated component factory or near a construction site, the production technology difficulty is low, the production can be carried out in advance, the wet operation workload of the construction site is effectively reduced, the site construction efficiency is improved, the construction period is saved, and the method has good technical and economic benefits.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of a prefabricated platform according to the present utility model;

FIG. 2 is a schematic plan view of a prefabricated platform according to the present utility model;

FIG. 3 is a schematic view of the structure of the platform and foundation beam of the present utility model after construction;

FIG. 4 is a schematic cross-sectional view of the present utility model;

FIG. 5 is a schematic diagram of a three-way hoop structure formed by reinforcing bars with a prefabricated bearing platform side surface and a prefabricated bearing platform top surface.

In the figure: 1. prefabricating a bearing platform; 1a, a circular cavity; 1b, beam nest; 2. prefabricating a vertical overhanging steel bar of a bearing platform; 2a, U steel bars on the top surface of the bearing platform; 3. horizontal annular construction steel bars; 4. prefabricating a foundation bracing beam; 5. a cushion layer; 6. pile body longitudinal ribs; 7. frame column dowel bars; 8. longitudinal ribs on the top surface of the foundation bracing beam; 9. post-pouring the laminated layer concrete.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in figures 1 to 5 of the drawings,

the utility model provides a single stake cushion cap of basis assembled single column, including prefabricated cushion cap 1, prefabricated foundation tie beam 4, bed course 5 and pile shaft are indulged muscle 6, be equipped with the vertical overhanging steel bar 2 of a plurality of prefabricated cushion caps on the prefabricated cushion cap 1, the inside side of prefabricated cushion cap 1 is equipped with horizontal hoop constructional steel bar 3, be configured with cushion cap top surface U reinforcing bar 2a in the post-cast concrete of prefabricated cushion cap 1 top surface, the position is formed with circular cavity 1a in the prefabricated cushion cap 1, all be equipped with the roof beam nest 1b of link up the lateral wall around the prefabricated cushion cap 1, prefabricated foundation tie beam 4 installs respectively in roof beam nest 1b, bed course 5 is by concrete placement in prefabricated cushion cap 1 bottom, pile shaft is indulged muscle 6 and is located the pile foundation of prefabricated cushion cap 1 below.

As a further optimization of the last step, the frame column longitudinal stress steel bars on the prefabricated bearing platform 1 are embedded with frame column dowel bars 7 in the foundation, the foundation tie beam top longitudinal bars 8 are configured in the post-cast concrete on the top surface of the prefabricated foundation tie beam 4, and the post-cast laminated layer concrete 9 is cast on the laminated layer on the top surfaces of the prefabricated bearing platform 1 and the prefabricated foundation tie beam 4.

As a further optimization of the last step, the pile body longitudinal ribs 6 are longitudinal stress steel bars in pile foundations below the prefabricated bearing platform 1, the circular cavity 1a is a circular hole reserved in the middle during production of the prefabricated bearing platform, and the beam nest 1b is a notch reserved in the side surface and penetrated through the side wall during production of the prefabricated bearing platform.

The implementation principle of the foundation assembly type single-column single-pile cap of the embodiment is as follows:

first, the corresponding preparation work is completed. Firstly, treating pile heads after pile foundations pass inspection and acceptance, straightening pile head overhanging steel bars, enabling the pile head overhanging steel bars to be in the horizontal projection range of a pile body, and leveling surrounding sites; the excavation of the bearing platform and the foundation of the foundation bracing beam is completed, and the construction of the cushion layer 5 shown in fig. 3 and 4 is completed after the groove inspection is qualified; the tower crane equipment or the preparation hoisting machinery is installed in advance.

Secondly, according to a predetermined construction partition, firstly hoisting the prefabricated bearing platform 1 shown in fig. 1, 2 and 4 into position, wherein the hoisting process ensures that all pile body longitudinal ribs 6 shown in fig. 4 fall into the circular hole 1a shown in fig. 1 and 2; the prefabricated foundation tie beam 4 as shown in fig. 4 is then hoisted into place with both ends supported on the beam sockets 1b as shown in fig. 1 and 2.

Thirdly, sequentially completing the installation of the frame column tie bars 7 shown in fig. 3 and 4, the longitudinal bars 8 on the top surface of the basic pull beam shown in fig. 4 and the U-shaped steel bars 2a on the top surface of the bearing platform shown in fig. 4 and 5; the U-shaped steel bars 2a on the top surface of the bearing platform are connected with the vertical overhanging steel bars 2 of the prefabricated bearing platform as shown in fig. 1, 2 and 5 by double-sided lap welding.

And fourthly, supporting the prefabricated bearing platform 1 shown in fig. 1, fig. 2 and fig. 4 and the side mould of the overlapping layer at the top of the prefabricated foundation tie beam 4 shown in fig. 4, wherein the side mould can be reinforced by utilizing an anchor bolt pre-embedded in the side surfaces of the prefabricated bearing platform 1 and the prefabricated foundation tie beam 4 in advance, so that the on-site template reinforcing and supporting work can be avoided.

And fifthly, pouring the post-pouring laminated layer concrete 9 shown in fig. 3 and 4, and curing to finally form the whole effect shown in fig. 3.

Claims

1. The utility model provides a single stake cushion cap of basis assembled single post, its characterized in that, indulges muscle (6) including prefabrication cushion cap (1), prefabrication foundation tie-bar (4), bed course (5) and pile body, be equipped with a plurality of prefabrication cushion caps vertical overhanging steel bars (2) on prefabrication cushion cap (1), prefabrication cushion cap (1) inside side is equipped with horizontal to annular constructional steel bar (3), be provided with cushion cap top surface U reinforcing bar (2 a) in the cast concrete behind prefabrication cushion cap (1) top surface, the position is formed with circular cavity (1 a) in prefabrication cushion cap (1), all be equipped with beam nest (1 b) of link up the lateral wall around prefabrication cushion cap (1), prefabrication foundation tie-bar (4) are installed respectively in beam nest (1 b), bed course (5) are pour in prefabrication cushion cap (1) bottom by concrete, pile body indulges muscle (6) and are located the pile foundation of prefabrication cushion cap (1) below.

2. The foundation assembled single-column single-pile cap according to claim 1, wherein the longitudinal stress steel bars of the frame columns on the prefabricated cap (1) are embedded with frame column dowel bars (7) in the foundation.

3. The foundation assembly type single-column single-pile cap according to claim 1, wherein the precast foundation tie beam (4) top surface post-cast concrete is internally provided with foundation tie beam top surface longitudinal ribs (8).

4. A foundation-assembled single-column single-pile cap according to claim 1, characterized in that the top-face laminate of the prefabricated cap (1) and prefabricated foundation bracing beam (4) is poured with post-cast laminate concrete (9).

5. The foundation-assembled single-column single-pile cap according to claim 1, wherein the pile body longitudinal ribs (6) are longitudinal stress reinforcing steel bars in pile foundations below the prefabricated cap (1).

6. A foundation-assembled single-column single-pile cap according to claim 1, characterized in that the circular cavity (1 a) is a circular hole reserved in the middle during production of the prefabricated cap, and the beam nest (1 b) is a notch reserved in the side surface through the side wall during production of the prefabricated cap.