阅读说明：本技术 一种装配式路基桩板连接结构 (Assembled road bed pile slab connection structure ) 是由 王长丹 李良 周顺华 王炳龙 王炜晨 许浩然 于 2021-10-29 设计创作，主要内容包括：本发明涉及一种装配式路基桩板连接结构,包括若干块首尾依次拼接的预制承载板,相邻两块预制承载板通过连接组件拼接；所述的预制承载板沿拼接方向的两端对称设有插块,所述的插块位于预制承载板下表面,所述的连接组件包括预制管桩和第一连接组件,所述的第一连接组件包括第一连接螺栓和第一螺母,所述的预制管桩包括桩体以及固定在桩体端部的凹型承台,位于相邻两块预制承载板上的插块共同插入凹型承台,所述的第一连接螺栓贯穿凹型承台以及凹型承台内的插块,并通过第一螺母固定。与现有技术相比,本发明具有效率高、环境污染小、复用性强、便于维修和更换及成本低等优点。(The invention relates to an assembled roadbed pile plate connecting structure which comprises a plurality of prefabricated bearing plates which are sequentially spliced end to end, wherein two adjacent prefabricated bearing plates are spliced through a connecting assembly; prefabricated loading board be equipped with the inserted block along the both ends symmetry of concatenation direction, the inserted block be located prefabricated loading board lower surface, coupling assembling include prefabricated tubular pile and first connecting assembly, first connecting assembly include first connecting bolt and first nut, prefabricated tubular pile include the pile body and fix the concave type cushion cap at the pile body tip, the inserted block that is located on two adjacent prefabricated loading boards inserts concave type cushion cap jointly, first connecting bolt run through the inserted block in concave type cushion cap and the concave type cushion cap to it is fixed through first nut. Compared with the prior art, the invention has the advantages of high efficiency, small environmental pollution, strong reusability, convenient maintenance and replacement, low cost and the like.)

1. An assembled roadbed pile plate connecting structure comprises a plurality of prefabricated bearing plates (2) which are sequentially spliced end to end, and is characterized in that two adjacent prefabricated bearing plates (2) are spliced through a connecting assembly;

prefabricated loading board (2) be equipped with inserted block (21) along the both ends symmetry of concatenation direction, inserted block (21) be located prefabricated loading board (2) lower surface, coupling assembling include prefabricated tubular pile (1) and first connecting assembly (3), first connecting assembly (3) including first connecting bolt (33) and first nut (32), prefabricated tubular pile (1) including pile body (11) and fix in concave type cushion cap (12) of pile body (11) tip, be located inserted block (21) on two adjacent prefabricated loading boards (2) and insert concave type cushion cap (12) jointly, first connecting bolt (33) run through concave type cushion cap (12) and concave type cushion cap (12) in inserted block (21) to it is fixed through first nut (32).

2. An assembled type roadbed pile plate connecting structure according to claim 1, wherein the precast tubular pile (1) is inserted into a foundation.

3. An assembled type roadbed pile plate connecting structure according to claim 1, wherein the upper surface of the prefabricated bearing plate (2) is symmetrically provided with two mounting holes (22), and the two mounting holes (22) are respectively close to two ends of the prefabricated bearing plate (2) along the splicing direction.

4. An assembled type roadbed pile plate connecting structure according to claim 3, wherein the side surface of the prefabricated bearing plate (2) is provided with a second connecting hole (24) along the splicing direction, and the second connecting hole (24) is communicated with the inner wall of the mounting hole (22).

5. An assembled type roadbed pile plate connecting structure according to claim 4, wherein the connecting assembly further comprises a second connecting assembly (4), the second connecting assembly (4) comprises a second connecting bolt (43) and a second nut (42), and the end of the second connecting bolt (43) passes through the second connecting hole (24) and is fixed inside the mounting hole (22) through the second nut (42).

6. A fabricated roadbed pile plate connection structure according to claim 5, wherein a second spacer (41) is provided between the second nut (42) and the side wall of the installation hole (22).

7. An assembled type roadbed pile plate connection structure according to claim 1, wherein the number of the insertion blocks (21) on the prefabricated bearing plate (2) is 4.

8. An assembled type roadbed pile plate connection structure according to claim 7, wherein 4 insertion blocks (21) are provided at the corners of the prefabricated bearing plate (2).

9. A fabricated roadbed pile plate connection structure according to claim 1, wherein the pile body (11) and the concave bearing platform (12) are integrally cast by reinforced concrete.

10. A fabricated construction pile plate connecting structure according to claim 1, wherein a first spacer (31) is provided between the first nut (32) and the concave bearing platform (12).

Technical Field

The invention relates to the field of transportation, in particular to an assembled roadbed pile plate connecting structure.

Background

The pile plate structure roadbed is a novel roadbed structure type which appears along with the development of a high-speed railway. The bearing capacity of the piles and the bearing capacity of the soil between the piles can be fully utilized to bear load, the requirements of strength, rigidity and stability of the track structure are met, and the stable running of the train is ensured.

In the tramcar construction in deep soft soil areas, in order to meet the settlement control requirement, a pile plate structure roadbed type is often adopted. In the tramcar circuit of building at present, build in existing town road center more, traditional cast in situ concrete construction mode need set up a large amount of templates, ligature reinforcing bar, consume a large amount of manpowers, construction cycle length, inefficiency to seriously influence peripheral region road, bring inconvenience for peripheral resident's trip, and the construction mode of site casting is easily influenced by factors such as weather season and constructor technical level, and construction quality is difficult to guarantee.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the assembled roadbed pile plate connecting structure which has high efficiency, small environmental pollution, strong reusability, convenient maintenance and replacement and reduced construction and maintenance cost.

The purpose of the invention can be realized by the following technical scheme:

an assembled roadbed pile plate connecting structure comprises a plurality of prefabricated bearing plates which are sequentially spliced end to end, wherein two adjacent prefabricated bearing plates are spliced through a connecting assembly;

the prefabricated bearing board along the both ends symmetry of concatenation direction be equipped with the inserted block, the inserted block be located prefabricated bearing board lower surface, coupling assembling include prefabricated tubular pile and first connecting assembly, first connecting assembly include first connecting bolt and first nut, prefabricated tubular pile include the pile body and fix at the concave type cushion cap of pile body tip, the inserted block that is located two adjacent prefabricated bearing boards inserts concave type cushion cap jointly, first connecting bolt run through the inserted block in concave type cushion cap and the concave type cushion cap, and fix through first nut;

the prefabricated roadbed pile plate connecting structure provided by the invention has the advantages that on the premise of ensuring that the stress performance of a roadbed of the pile plate structure is not changed greatly, the traditional concrete on-site pouring construction mode is replaced by the prefabricated concrete construction mode, the inserting block is inserted into the concave bearing platform during installation to play a role in pre-positioning, the positioning precision is high, the speed is high, then the first connecting bolt is installed, the installation is quick, simple and convenient, the engineering quality is ensured, meanwhile, the pile plate structure road construction speed is greatly improved, and the efficiency is high;

in addition, the assembled connecting structure has the advantages of small environmental pollution and strong reusability, and is convenient to maintain and replace.

Further, the precast tubular pile is inserted into a foundation.

Furthermore, prefabricated loading board upper surface symmetry be equipped with two mounting holes, two mounting holes be close to prefabricated loading board along the both ends of concatenation direction respectively.

Furthermore, the side face of the prefabricated bearing plate is provided with a second connecting hole along the splicing direction, and the second connecting hole is communicated with the inner wall of the mounting hole.

Furthermore, the connecting assembly also comprises a second connecting assembly, the second connecting assembly comprises a second connecting bolt and a second nut, and the end part of the second connecting bolt penetrates through the second connecting hole and is fixed inside the mounting hole through the second nut;

the second connecting assembly further ensures the connection reliability between two adjacent prefabricated bearing plates, is simple and convenient to install, and is hidden inside the prefabricated bearing plates, so that the second connecting assembly does not occupy space.

Furthermore, a second gasket is arranged between the second nut and the side wall of the mounting hole, and the structure is stable.

Furthermore, the number of the insertion blocks on the prefabricated bearing plate is 4.

Further, 4 inserts are provided at the corners of the prefabricated carrier plate.

Furthermore, the pile body and the concave bearing platform are integrally cast and formed through reinforced concrete, so that the structural strength is high, and the pile body and the concave bearing platform are convenient to assemble and carry.

Furthermore, a first gasket is arranged between the first nut and the concave bearing platform, and the structure is stable.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention relates to an assembled roadbed pile plate connecting structure, which comprises a plurality of prefabricated bearing plates which are sequentially spliced end to end, wherein two adjacent prefabricated bearing plates are spliced through a connecting assembly, inserting blocks are symmetrically arranged at two ends of the prefabricated bearing plates along the splicing direction, the inserting blocks are positioned on the lower surfaces of the prefabricated bearing plates, the connecting assembly comprises a prefabricated pipe pile and a first connecting assembly, the first connecting assembly comprises a first connecting bolt and a first nut, the prefabricated pipe pile comprises a pile body and a concave bearing platform fixed at the end part of the pile body, the inserting blocks positioned on the two adjacent prefabricated bearing plates are jointly inserted into the concave bearing platform, the first connecting bolt penetrates through the concave bearing platform and the inserting blocks in the concave bearing platform and is fixed through the first nut, on the premise of ensuring that the stress performance of a roadbed with a pile plate structure does not change much, the assembled concrete construction mode is used for replacing the traditional concrete on-site pouring construction mode, the inserting blocks are firstly inserted into the concave bearing platform during installation, the pile plate structure road base has the advantages that the pre-positioning effect is achieved, the positioning accuracy is high, the speed is high, the first connecting bolt is installed quickly, conveniently and conveniently, the construction speed of the pile plate structure road base is greatly improved while the engineering quality is guaranteed, and the efficiency is high;

(2) the assembled roadbed pile plate connecting structure has the advantages of small environmental pollution and strong reusability, is convenient to maintain and replace, and reduces the construction and maintenance cost;

(3) the upper surface of the prefabricated bearing plate is symmetrically provided with two mounting holes, the two mounting holes are respectively close to two ends of the prefabricated bearing plate along the splicing direction, the side surface of the prefabricated bearing plate is provided with a second connecting hole along the splicing direction, the second connecting hole is communicated with the inner wall of the mounting hole, the connecting assembly further comprises a second connecting assembly, the second connecting assembly comprises a second connecting bolt and a second nut, the end part of the second connecting bolt penetrates through the second connecting hole and is fixed in the mounting hole through the second nut, the reliability of connection between two adjacent prefabricated bearing plates is further ensured through the second connecting assembly, the mounting is simple and convenient, and the second connecting assembly is hidden in the prefabricated bearing plate and does not occupy space;

(4) the pile body and the concave bearing platform are integrally cast and molded by reinforced concrete, so that the pile body and the concave bearing platform are high in structural strength and convenient to assemble and carry.

Drawings

Fig. 1 is a schematic perspective view of an assembled roadbed pile plate connection structure;

fig. 2 is an assembled sectional view of a first connecting bolt and a precast tubular pile;

FIG. 3 is an assembled cross-sectional view of the second connecting bolt and the prefabricated carrier plate;

FIG. 4 is a schematic structural diagram of a precast tubular pile;

FIG. 5 is a schematic structural view of a prefabricated carrier plate;

the reference numbers in the figures illustrate:

1. the pile comprises a prefabricated tubular pile, 2, a prefabricated bearing plate, 3, a first connecting assembly, 4, a second connecting assembly, 11, a pile body, 12, a concave bearing platform, 13, a third connecting hole, 21, an inserting block, 22, a mounting hole, 23, a first connecting hole, 24, a second connecting hole, 31, a first gasket, 32, a first nut, 33, a first connecting bolt, 41, a second gasket, 42, a second nut and 43, wherein the prefabricated tubular pile is fixedly connected with the pile body, and the second connecting bolt is fixedly connected with the pile body.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

An assembled roadbed pile plate connecting structure is shown in figures 1, 2, 4 and 5 and comprises a plurality of prefabricated bearing plates 2 which are sequentially spliced end to end, wherein two adjacent prefabricated bearing plates 2 are spliced through a connecting assembly;

prefabricated loading board 2 is equipped with inserted block 21 along the both ends symmetry of concatenation direction, inserted block 21 is located 2 lower surfaces of prefabricated loading board, coupling assembling includes prefabricated tubular pile 1 and first connecting assembly 3, first connecting assembly 3 includes first connecting bolt 33 and first nut 32, prefabricated tubular pile 1 includes pile body 11 and fixes the concave cushion cap 12 at pile body 11 tip, concave cushion cap 12 is square, inserted block 21 and concave cushion cap 12 phase-match, be equipped with third connecting hole 13 on the concave cushion cap 12, be equipped with first connecting hole 23 on the inserted block 21, the inserted block 21 that is located on two adjacent prefabricated loading board 2 inserts concave cushion cap 12 jointly, first connecting bolt 33 runs through the inserted block 21 in concave cushion cap 12 and the concave cushion cap 12 through third connecting hole 13 and first connecting hole 23, and fix through first nut 32, prefabricated tubular pile 1 inserts the ground.

A first gasket 31 is arranged between the first nut 32 and the concave bearing platform 12, and the structure is stable.

As shown in FIG. 5, the number of the insertion blocks 21 on the prefabricated bearing plate 2 is 4, and the 4 insertion blocks 21 are arranged at the corners of the prefabricated bearing plate 2, so that the structure is stable.

The pile body 11 and the concave bearing platform 12 are integrally cast and formed by reinforced concrete, so that the structural strength is high, and the assembly and the carrying are convenient.

The connecting assembly connects two adjacent prefabricated bearing plates 2 into a stable stressed whole, the bearing capacity of the piles and the bearing capacity of soil between the piles are fully utilized to share load, the requirements of the structural strength, the rigidity and the stability of the track are met, and the stable running of the train is ensured;

when the pile plate structure road base is installed, the inserting block 21 is inserted into the concave bearing platform 12 to play a role of pre-positioning, the positioning precision is high, the speed is high, then the first connecting bolt 33 is installed, the installation is quick, simple and convenient, the engineering quality is guaranteed, meanwhile, the construction speed of the pile plate structure road base is greatly improved, and the efficiency is high;

in addition, the assembled connecting structure has the advantages of small environmental pollution and strong reusability, and is convenient to maintain and replace.

Example 2

As shown in fig. 1, fig. 3 and fig. 5, in this embodiment, two mounting holes 22 are symmetrically arranged on the upper surface of the prefabricated bearing plate 2, the two mounting holes 22 are respectively close to two ends of the prefabricated bearing plate 2 along the splicing direction, a second connecting hole 24 is arranged on the side surface of the prefabricated bearing plate 2 along the splicing direction, the second connecting hole 24 is communicated with the inner wall of the mounting hole 22, the connecting assembly further includes a second connecting assembly 4, the second connecting assembly 4 includes a second connecting bolt 43 and a second nut 42, the end portion of the second connecting bolt 43 passes through the second connecting hole 24 and is fixed inside the mounting hole 22 through the second nut 42, a second gasket 41 is arranged between the second nut 42 and the side wall of the mounting hole 22, and the structure is stable.

The reliability of connecting between two adjacent prefabricated loading boards 2 is further guaranteed through second coupling assembling 4, and the simple installation, second coupling assembling 4 hide inside prefabricated loading board 2, occupation space not.

Embodiment 1 and embodiment 2 provide an assembled roadbed pile plate connection structure, under the prerequisite that the assurance pile plate structure road bed atress performance change is little, replace traditional concrete cast-in-place construction mode with assembled concrete construction mode, greatly improved pile plate structure road bed ground construction speed, guarantee engineering quality, the installation is quick simple and convenient simultaneously, and environmental pollution is little, and the reusability is strong, be convenient for maintain and change.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.