阅读说明：本技术 一种全预制拼装有轨电车桩板路基结构及安装方法 (Full-prefabricated assembled tramcar pile plate roadbed structure and installation method ) 是由 王长丹 王月明 周顺华 王炳龙 陈凯祥 于 2021-10-29 设计创作，主要内容包括：本发明涉及一种全预制拼装有轨电车桩板路基结构及安装方法,结构包括钢轨、扣件、钢轨螺栓、预制轨道承台、高性能抗弯螺栓、预制轨道板和预制管桩；预制轨道板上设有第一预留凹槽,预制轨道承台底面设有第二预留凹槽,预制轨道板设于地基上,预制轨道承台设于第一预留凹槽内,预制管桩一端竖直插入地基,另一端穿过预制轨道板后插入第二预留凹槽内；钢轨通过扣件和钢轨螺栓固定在预制轨道承台上,高性能抗弯螺栓端部沿垂直于钢轨的方向水平贯穿预制轨道板和预制轨道承台,并通过螺帽固定。与现有技术相比,本发明具有结构稳定、施工效率高、噪声和环境污染小等优点。(The invention relates to a fully prefabricated and assembled tramcar pile plate roadbed structure and an installation method thereof, wherein the structure comprises steel rails, fasteners, steel rail bolts, a prefabricated rail bearing platform, high-performance anti-bending bolts, a prefabricated rail plate and prefabricated pipe piles; the prefabricated track slab is provided with a first reserved groove, the bottom surface of a prefabricated track bearing platform is provided with a second reserved groove, the prefabricated track slab is arranged on a foundation, the prefabricated track bearing platform is arranged in the first reserved groove, one end of a prefabricated pipe pile is vertically inserted into the foundation, and the other end of the prefabricated pipe pile penetrates through the prefabricated track slab and then is inserted into the second reserved groove; the steel rail is fixed on the prefabricated rail bearing platform through a fastener and a steel rail bolt, and the end part of the high-performance bending-resistant bolt horizontally penetrates through the prefabricated rail plate and the prefabricated rail bearing platform along the direction perpendicular to the steel rail and is fixed through a nut. Compared with the prior art, the invention has the advantages of stable structure, high construction efficiency, small noise and environmental pollution and the like.)

1. A full-prefabricated assembled tramcar pile plate roadbed structure is characterized by comprising steel rails (1), fasteners (2), steel rail bolts (3), a prefabricated rail bearing platform (4), high-performance anti-bending bolts (5), a prefabricated rail plate (7) and prefabricated pipe piles (8);

the prefabricated track slab is characterized in that a first reserved groove (9) is formed in the prefabricated track slab (7), a second reserved groove (10) is formed in the bottom surface of the prefabricated track bearing platform (4), the prefabricated track slab (7) is arranged on a foundation, the prefabricated track bearing platform (4) is arranged in the first reserved groove (9), one end of the prefabricated pipe pile (8) is vertically inserted into the foundation, and the other end of the prefabricated pipe pile is inserted into the second reserved groove (10) after penetrating through the prefabricated track slab (7);

the steel rail (1) is fixed on the prefabricated rail bearing platform (4) through a fastener (2) and a steel rail bolt (3), and the end part of the high-performance bending-resistant bolt (5) horizontally penetrates through the prefabricated rail plate (7) and the prefabricated rail bearing platform (4) along the direction perpendicular to the steel rail (1) and is fixed through a nut (6).

2. The fully-prefabricated assembled tramcar pile plate roadbed structure according to claim 1, wherein a reserved threaded hole is formed in the upper end of the precast tubular pile (8), and a steel rail bolt (3) located right above the precast tubular pile (8) is connected with the reserved threaded hole.

3. The fully prefabricated assembled tram pile plate roadbed structure according to claim 1, characterized in that the number of the high-performance bending-resistant bolts (5) is multiple.

4. The fully prefabricated assembled tram pile plate roadbed structure according to claim 3, characterized in that a plurality of high-performance anti-bending bolts (5) are arranged at intervals along the direction of the steel rail (1).

5. The fully-prefabricated assembled tram pile plate roadbed structure according to the claim 3, characterized in that a plurality of high-performance bending-resistant bolts (5) are symmetrically arranged on two sides of the central shaft of the precast tubular pile (8).

6. A fully prefabricated assembled tram pile plate roadbed structure according to claim 5, characterized in that two high performance bending resistant bolts (5) close to the central axis of the precast tubular pile (8) penetrate through the precast tubular pile (8).

7. The fully prefabricated assembled tram pile plate roadbed structure according to the claim 1, characterized in that the prefabricated pipe piles (8) are PHC pipe piles.

8. A fully prefabricated assembled tram pile plate roadbed structure according to claim 1, characterized in that the second preformed groove (10) is matched with the precast tubular pile (8).

9. A fully prefabricated assembled tram pile plate roadbed structure according to claim 1, characterized in that the first preformed groove (9) is matched with the prefabricated rail bearing platform (4).

10. The installation method of the fully-prefabricated assembled tramcar pile plate roadbed structure according to claim 1 is characterized by comprising the following steps:

hoisting the precast tubular pile (8), and driving or pressing the precast tubular pile into a foundation;

inserting the prefabricated track bearing platform (4) into a first reserved groove (9) on a prefabricated track plate (7);

penetrating a high-performance anti-bending bolt (5) through a prefabricated track slab (7) and a prefabricated track bearing platform (4), and screwing a nut (6);

hoisting the precast track plate (7) and the precast track bearing platform (4), aligning a second reserved groove (10) of the precast track bearing platform (4) with the precast tubular pile (8), and then inserting the precast tubular pile (8) into the second reserved groove (10);

the steel rail (1) is placed on a prefabricated rail bearing platform (4), and the fastener (2) and the steel rail bolt (3) are installed after calibration.

Technical Field

The invention relates to a tramcar roadbed structure, in particular to a fully-prefabricated assembled tramcar pile plate roadbed structure and an installation method thereof.

Background

The pile plate roadbed structure is a novel roadbed structure type, and has a good control effect on roadbed deformation and settlement, so that the pile plate structure is mostly adopted in the construction of a high-speed railway roadbed. On the basis of referring to a high-speed railway foundation treatment method and comprehensively considering technical indexes such as the operation speed, the axle weight and the like of the modern tramcar, the city construction design and research institute in Shanghai city proposes a pile plate structure roadbed form with small settlement, high bearing capacity and good stability, and is applied to the modern tramcar engineering in Shanghai Songjiang and Jiaxing city at present. However, the existing tramcar pile plate structure roadbed mainly adopts a traditional concrete cast-in-place construction mode, so that the existing tramcar pile plate structure roadbed is large in labor consumption, long in construction time, low in construction efficiency and high in construction waste, and the structure quality is easily influenced by external environments such as weather seasons, the technical level of constructors and the like.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the fully-prefabricated assembled tramcar pile plate roadbed structure and the installation method thereof, and the fully-prefabricated assembled tramcar pile plate roadbed structure is stable in structure, high in construction efficiency and low in noise and environmental pollution.

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

a full-prefabricated assembled tramcar pile plate roadbed structure comprises steel rails, fasteners, steel rail bolts, a prefabricated rail bearing platform, high-performance anti-bending bolts, prefabricated rail plates and prefabricated pipe piles;

the prefabricated track slab is provided with a first reserved groove, the bottom surface of the prefabricated track bearing platform is provided with a second reserved groove, the prefabricated track slab is arranged on a foundation, the prefabricated track bearing platform is arranged in the first reserved groove, one end of the prefabricated pipe pile is vertically inserted into the foundation, and the other end of the prefabricated pipe pile penetrates through the prefabricated track slab and then is inserted into the second reserved groove;

the steel rail is fixed on the prefabricated rail bearing platform through a fastener and a steel rail bolt, and the end part of the high-performance bending-resistant bolt horizontally penetrates through the prefabricated rail plate and the prefabricated rail bearing platform along the direction vertical to the steel rail and is fixed through a nut;

the fully-prefabricated assembled tramcar pile plate roadbed structure can be prefabricated and assembled, is simple in construction process, greatly improves construction efficiency, can reduce noise and environmental pollution in the construction process, and has great prospect in the aspect of realizing rapid construction of tramcar tracks.

Furthermore, precast tubular pile upper end be equipped with the reservation screw hole, be located the rail bolt directly over the precast tubular pile and be connected with the reservation screw hole, improved the wholeness of structure.

Furthermore, the number of the high-performance bending-resistant bolts is multiple.

Furthermore, a plurality of high-performance anti-bending bolts are arranged at intervals along the direction of the steel rail.

Further, many high performance bending-resistant bolts symmetry set up in precast tubular pile center pin both sides.

Furthermore, two high-performance bending-resistant bolts close to the central shaft of the precast tubular pile penetrate through the precast tubular pile, so that the structural integrity is improved.

Furthermore, the precast tubular pile is a PHC tubular pile, and has high rigidity and stable structure.

Further, the second reserved groove is matched with the precast tubular pile.

Furthermore, the first reserved groove is matched with the prefabricated track bearing platform, and the stable structure is guaranteed.

The utility model provides an adopt installation method of full prefabricated assembly tram pile slab roadbed structure, includes:

hoisting the precast tubular pile, and driving or pressing the precast tubular pile into a foundation;

inserting the prefabricated track bearing platform into a first reserved groove on a prefabricated track plate;

penetrating a high-performance anti-bending bolt through the prefabricated track slab and the prefabricated track bearing platform, and screwing a nut;

hoisting the prefabricated track plate and the prefabricated track bearing platform, aligning a second reserved groove of the prefabricated track bearing platform with the prefabricated pipe pile, and then inserting the prefabricated pipe pile into the second reserved groove;

and placing the steel rail on a prefabricated rail bearing platform, and installing a fastener and a steel rail bolt after calibration.

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

(1) the invention relates to a fully prefabricated assembled tramcar pile plate roadbed structure, which comprises a steel rail, a fastener, a steel rail bolt, a prefabricated rail bearing platform, a high-performance bending-resistant bolt, a prefabricated rail plate and a prefabricated pipe pile, wherein the prefabricated rail plate is provided with a first reserved groove, the bottom surface of the prefabricated rail bearing platform is provided with a second reserved groove, the prefabricated rail plate is arranged on a foundation, the prefabricated rail bearing platform is arranged in the first reserved groove, one end of the prefabricated pipe pile is vertically inserted into the foundation, the other end of the prefabricated pipe pile penetrates through the prefabricated rail plate and then is inserted into the second reserved groove, the steel rail is fixed on the prefabricated rail bearing platform through the fastener and the steel rail bolt, the end part of the high-performance bending-resistant bolt horizontally penetrates through the prefabricated rail plate and the prefabricated rail bearing platform along the direction vertical to the steel rail and is fixed through a nut, the fully prefabricated assembled tramcar pile plate roadbed structure can be prefabricated and assembled, the construction process is simple and the structure is stable, and the construction efficiency is greatly improved, meanwhile, the noise and the environmental pollution in the construction process can be reduced, and the method has great prospect in the aspect of realizing the rapid construction of the tramcar track;

(2) the upper end of the precast tubular pile is provided with the reserved threaded hole, and the steel rail bolt positioned right above the precast tubular pile is connected with the reserved threaded hole, so that the integrity and the stability of the structure are improved;

(3) the two high-performance bending-resistant bolts close to the central shaft of the precast tubular pile penetrate through the precast tubular pile, so that the structural integrity and stability are improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a pile plate structure;

FIG. 2 is a schematic side cross-sectional view of a pile plate structure;

FIG. 3 is a top view of a prefabricated track slab;

the reference numbers in the figures illustrate:

1. the prefabricated track comprises a steel rail, 2 fasteners, 3 steel rail bolts, 4 prefabricated track bearing platforms, 5 high-performance anti-bending bolts, 6 nuts, 7 prefabricated track plates, 8 prefabricated pipe piles, 9 first reserved grooves and 10 second reserved grooves.

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

A fully-prefabricated assembled tramcar pile plate roadbed structure is shown in a figure 1, a figure 2 and a figure 3 and comprises a steel rail 1, a fastener 2, a steel rail bolt 3, two prefabricated rail bearing platforms 4, a high-performance anti-bending bolt 5, a prefabricated rail plate 7 and a prefabricated pipe pile 8;

two first reserved grooves 9 which are respectively matched with the two prefabricated track bearing platforms 4 are symmetrically arranged on the prefabricated track plate 7, transverse large-diameter bolt holes penetrating through the side walls of the first reserved grooves 9 are formed in the prefabricated track plate 7, cylindrical second reserved grooves 10 matched with the prefabricated pipe piles 8 are formed in the bottom surface of the prefabricated track bearing platforms 4, the prefabricated track plate 7 is arranged on a foundation, the prefabricated track bearing platforms 4 are arranged in the first reserved grooves 9, one ends of the prefabricated pipe piles 8 are vertically inserted into the foundation, and the other ends of the prefabricated pipe piles penetrate through the prefabricated track plate 7 and then are inserted into the second reserved grooves 10;

the steel rail 1 is fixed on a prefabricated rail bearing platform 4 through a fastener 2 and a steel rail bolt 3, the end part of a high-performance bending-resistant bolt 5 is inserted into a transverse large-diameter bolt hole along the direction perpendicular to the steel rail 1, horizontally penetrates through a prefabricated rail plate 7 and the prefabricated rail bearing platform 4 and is fixed through a nut 6, and therefore the prefabricated rail bearing platform 4 and the prefabricated rail plate 7 are spliced into a whole.

The fully-prefabricated assembled tramcar pile plate roadbed structure can be prefabricated and assembled, is simple in construction process, greatly improves construction efficiency, can reduce noise and environmental pollution in the construction process, and has great prospect in the aspect of realizing rapid construction of tramcar tracks.

The upper end of the precast tubular pile 8 is provided with two reserved threaded holes, and the steel rail bolt 3 positioned right above the precast tubular pile 8 is connected with the reserved threaded holes, so that the structural integrity is improved.

The quantity of high performance bending bolts 5 is 16, and the quantity of running through every high performance bending bolts 5 of first reservation recess 9 is 8, and many high performance bending bolts 5 set up along 1 direction interval of rail, and many high performance bending bolts 5 symmetry sets up in 8 center pin both sides of precast tubular pile.

Two high-performance bending-resistant bolts 5 close to the central shaft of the precast tubular pile 8 penetrate through the precast tubular pile 8, so that the structural integrity is improved.

The precast tubular pile 8 is a PHC tubular pile, and has high rigidity and stable structure.

Example 2

The installation method of the fully-prefabricated assembled tramcar pile plate roadbed structure in embodiment 1 comprises the following steps:

the prefabricated track plate 7 and the prefabricated pipe pile 8 are manufactured in a prefabricated factory;

hoisting the precast tubular pile 8, and driving or pressing into a foundation;

inserting the prefabricated track bearing platform 4 into a first reserved groove 9 on a prefabricated track plate 7;

penetrating other precast tubular piles 8 except 4 high-performance bending-resistant bolts 5 close to the central shaft of the precast tubular pile 8 through the precast track slab 7 and the precast track bearing platform 4, and screwing nuts 6;

hoisting the precast track plate 7 and the precast track bearing platform 4, aligning a second reserved groove 10 of the precast track bearing platform 4 with the precast tubular pile 8, and then inserting the precast tubular pile 8 into the second reserved groove 10;

4 high-performance bending-resistant bolts 5 close to the central shaft of the precast tubular pile 8 penetrate through the precast track plate 7, the precast track bearing platform 4 and the precast tubular pile 8;

placing the steel rail 1 on a prefabricated rail bearing platform 4, and installing a fastener 2 and a steel rail bolt 3 after calibration, wherein the steel rail bolt 3 positioned right above the prefabricated pipe pile 8 is connected with a reserved threaded hole;

and (4) clearing up the garbage, and finishing the installation of the fully-prefabricated assembled tramcar pile plate roadbed structure.

Embodiments 1 and 2 provide a fully-prefabricated assembled tramcar pile plate roadbed structure and an installation method thereof, so that the tramcar pile plate roadbed structure can be quickly constructed, the site construction time can be reduced to the maximum extent, the engineering quality is ensured, and adverse effects on the surrounding environment are reduced.

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.