CN212248357U

CN212248357U - Prefabricated assembled concrete partition wall structure for rail running area of subway station

Info

Publication number: CN212248357U
Application number: CN202020697670.4U
Authority: CN
Inventors: 赵志国; 赵旭伟; 周萌
Original assignee: China Railway Shanghai Design Institute Group Co Ltd
Current assignee: China Railway Shanghai Design Institute Group Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-29
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the technical field of subway station construction, especially a subway station rail line district prefabricated assembled concrete partition wall structure, including precast concrete partition wall and anchor structure, the precast concrete partition wall is located on the bottom plate longeron of station platen downside, and the precast concrete partition wall comprises a plurality of partition wall cell units concatenation, and the partition wall cell unit is equipped with tenon and tongue-and-groove respectively at its longitudinal direction's both ends, and the unsmooth adaptation of tenon and tongue-and-groove that can pass the concatenation position between the partition wall cell unit constitutes tenon fourth of the twelve earthly branches structure; the anchor structure includes pre-buried steel sheet, reservation welding reinforcement and reservation sleeve, and wherein on the well plate girder of the medium plate of precast concrete partition wall top was located to pre-buried steel sheet, reservation welding reinforcement located precast concrete partition wall top, reservation sleeve pre-buries on the solebar and is located precast concrete partition wall bottom. The utility model discloses a precast concrete partition wall can splice according to a plurality of partition cell cube of demand of difference, and construction speed is fast, has saved the labour.

Description

Prefabricated assembled concrete partition wall structure for rail running area of subway station

Technical Field

The utility model belongs to the technical field of the technique of subway station construction and specifically relates to a precast concrete partition wall structure of assembling in subway station rail line region.

Background

At the present stage, the rail transit industry in China is vigorously developed, the secondary structure of the subway station mainly adopts a cast-in-place concrete structure, and the reliable connection between the later-stage building structure and the earlier-stage building structure is ensured basically by means of measures such as reserved inserted bars, embedded bars and the like in the construction process. The method can be used for subsequent construction only after the early engineering construction is finished and has certain strength, generally needs a longer construction period, and has larger manpower input and poorer construction conditions.

At present, the prefabricated assembly type structure obtains the large tracts of land popularization in the building field, and assembly type subway station has been implemented in Changchun subway No. 2 line Yuan Jia shop specifically. The Chinese patent CN207813101U discloses a prefabricated and assembled subway station platform, which comprises a prefabricated station platform plate, prefabricated door type components and a bearing mechanism; CN206646549U discloses a prefabricated structure of assembling of tunnel exhaust duct, prefabricated wind channel bottom plate divides the piece to erect on the bracket of cast-in-place wind channel lateral wall, and the operation such as the thin stone concrete of cast-in-place lateral wall bracket and prefabricated wind channel bottom plate, bottom plate is filled fine aggregate concrete, clamp bolt and is erect the implementation along with prefabricated wind channel bottom plate divides the piece. However, the above patent is only directed to how to construct secondary structures such as a subway station platform plate, an air duct and the like, and does not relate to how to construct a prefabricated assembly type structure of a concrete partition wall in a rail section.

Disclosure of Invention

The utility model aims at providing a subway station rail capable district prefabrication is assembled and is assembled concrete partition wall structure according to above-mentioned prior art not enough, sets up tenon and tongue-and-groove through the both sides at the partition wall cell cube, can splice into precast concrete partition wall with a plurality of partition wall cell cubes according to the demand of difference, and construction speed is fast, has saved the labour.

The utility model discloses the purpose is realized accomplishing by following technical scheme:

the utility model provides a precast concrete partition wall structure of assembling in subway station rail line district, its characterized in that: the prefabricated concrete partition wall is arranged on a bottom plate longitudinal beam on the lower side of a station bedplate and is formed by splicing a plurality of partition wall unit bodies, tenons and mortises are respectively arranged at two ends of each partition wall unit body in the longitudinal direction, and tenon-and-mortise structures can be formed between the partition wall unit bodies through concave-convex matching of the tenons and the mortises at the splicing positions; the anchor structure includes pre-buried steel sheet, reservation welding reinforcement and reservation sleeve, wherein pre-buried steel sheet is located on the well plate girder of the medium plate of precast concrete partition wall top, reservation welding reinforcement locates precast concrete partition wall top, reservation sleeve pre-buried in on the solebar and be located precast concrete partition wall bottom.

Preferably, the embedded steel plate is connected with the reserved welding steel bars in a welding mode, and the reserved welding steel bars and the embedded steel plates form T-shaped welding seams along the longitudinal direction of the precast concrete partition wall.

Preferably, fireproof caulking layers are arranged on two sides of the mortise and tenon structure.

Preferably, rock wool is reserved at the top of the precast concrete partition wall.

Preferably, the floor longitudinal beam is an upturned beam and is formed by cast-in-place.

The utility model has the advantages that:

1. the tenon and the mortise are arranged on the two sides of the partition wall unit bodies, and the partition wall unit bodies can form a tenon-and-mortise structure through the concave-convex matching of the tenon and the mortise at the splicing positions, so that a plurality of partition wall unit bodies can be spliced into the precast concrete partition wall according to different requirements, the construction speed is high, the energy is saved, the environment is protected, and the labor is saved;

2. through setting up anchor structure, but the security of precast concrete partition wall is guaranteed to anchor precast concrete partition wall.

Drawings

FIG. 1 is a schematic structural view of a precast concrete partition wall in a rail-mounted area of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a connection diagram of the welding joint of the present invention;

FIG. 4 is a schematic longitudinal connecting plane view of the precast concrete partition wall of the present invention;

fig. 5 is an enlarged view of B in fig. 4.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:

as shown in fig. 1-5, the labels 1-15 are respectively shown as: middle plate 1, middle plate roof beam 2, platform board 3, bottom plate longeron 4, precast concrete partition wall 5, reservation welding reinforcing bar 6, pre-buried steel sheet 7, rock wool 8, concrete partition wall reinforcing bar 9, pre-buried sleeve 10, T shape welding seam 11, tenon 12, tongue-and-groove 13, fire prevention caulking layer 14, partition wall cell cube 15.

Example (b): the precast concrete partition wall structure of assembling in subway station rail row district in this embodiment through assembling precast concrete partition wall, can accomplish the construction of partition wall fast for to the wall in subway station equipment area and rail row district.

As shown in fig. 1-5, the utility model discloses mainly include precast concrete partition wall 5 and anchor structure, as shown in fig. 4 and fig. 5, precast concrete partition wall 5 comprises a plurality of partition wall cell units 15 concatenations, and partition wall cell units 15 is equipped with tenon 12 and tongue-and-groove 13 respectively at its vertical direction's both ends, and the tenon 12 of accessible concatenation position and the unsmooth adaptation of tongue-and-groove 13 constitute the mortise and tenon joint structure between the partition wall cell units 15. The partition wall unit body 15 is 0.3m thick and 1.5m long in the longitudinal direction. The partition wall unit bodies 15 can be prefabricated by a factory and do not need to be processed and manufactured on site, so that the construction time can be reduced and the construction quality can be improved. In addition, the number and size of the partition wall unit bodies 15 can be calculated according to the required size and stress performance of the precast concrete partition wall 5, so as to meet the requirements of different constructions.

As shown in fig. 1 and 2, the anchoring structure mainly includes an embedded steel plate 7, a reserved welding steel bar 6, and a reserved sleeve 10. The precast concrete partition wall 5 is arranged on a bottom plate longitudinal beam 4 on the lower side of the station bedplate 3, and the bottom plate longitudinal beam 4 is an upturned beam and is formed by cast-in-place. Reserve sleeve 10 and pre-buried on bottom plate longeron 4 and be located precast concrete partition 5 bottoms, pre-buried steel sheet 7 is located on the medium plate roof beam 2 of medium plate 1 of precast concrete partition 5 top, and pre-buried welding reinforcement 6 is located precast concrete partition 5 tops, and reserve sleeve 10, pre-buried steel sheet 7 and pre-buried welding reinforcement 6 all set up in advance before the construction, need not set up alone when the construction, can reduce the time of construction effectively.

As shown in fig. 3, the pre-buried steel plate 7 is connected with the reserved welding steel bar 6 by welding, and the reserved welding steel bar 6 and the pre-buried steel plate 7 form a T-shaped welding line 11 along the longitudinal direction of the precast concrete partition wall 5. The T-shaped welding line 11 is formed by welding a 30-degree groove, and the height of the T-shaped welding line 11 is 12 mm. The anchor structure that pre-buried steel sheet 7, reservation welding rod 6 and reservation sleeve 10 formed can anchor precast concrete partition 5, guarantees precast concrete partition 5's security.

The tenon fourth of twelve earthly branches structure both sides all are provided with 20mm thick fire prevention caulking layer 14, can play the effect of mending tenon fourth of twelve earthly branches structure clearance and fire prevention.

Precast concrete partition 5 is inside to be equipped with concrete

partition reinforcing bar

9, and 5 tops of precast concrete partition are provided with 120mm thick rock wool 8.

In addition, as shown in fig. 1 to 5, the method of using the present embodiment is as follows:

1. manufacturing a longitudinal beam 4 of the bottom plate in a cast-in-place mode, and arranging a reserved sleeve 10;

2. the partition wall unit bodies 15 with the height meeting the requirement of the on-site building clearance are prefabricated in a factory and transported to the site after being manufactured;

3. assembling a plurality of partition wall unit bodies 15, and arranging fireproof caulking layers 14 on two sides of the tenon-and-mortise structure;

4. after the precast concrete partition wall 5 is installed, rock wool 8 is reserved at the top of the precast concrete partition wall 5;

5. through on-site welding pre-buried steel sheet 7 and reservation welding reinforcing bar 6, vertically form T welding seam 11 along precast concrete partition 5, in addition reserve sleeve 10, form the anchor structure.

Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.

Claims

1. The utility model provides a precast concrete partition wall structure of assembling in subway station rail line district, its characterized in that: the prefabricated concrete partition wall is arranged on a bottom plate longitudinal beam on the lower side of a station bedplate and is formed by splicing a plurality of partition wall unit bodies, tenons and mortises are respectively arranged at two ends of each partition wall unit body in the longitudinal direction, and tenon-and-mortise structures can be formed between the partition wall unit bodies through concave-convex matching of the tenons and the mortises at the splicing positions; the anchor structure includes pre-buried steel sheet, reservation welding reinforcement and reservation sleeve, wherein pre-buried steel sheet is located on the well plate girder of the medium plate of precast concrete partition wall top, reservation welding reinforcement locates precast concrete partition wall top, reservation sleeve pre-buried in on the solebar and be located precast concrete partition wall bottom.

2. The precast assembled concrete partition wall structure for the rail-row area of the subway station as claimed in claim 1, wherein: the pre-buried steel plate is connected with the reserved welding steel bars in a welding mode, and the reserved welding steel bars and the pre-buried steel plates form T-shaped welding seams along the longitudinal direction of the precast concrete partition wall.

3. The precast assembled concrete partition wall structure for the rail-row area of the subway station as claimed in claim 1, wherein: and fireproof caulking layers are arranged on two sides of the mortise and tenon structure.

4. The precast assembled concrete partition wall structure for the rail row area of the subway station as claimed in claim 1 or 2, wherein: rock wool is reserved at the top of the precast concrete partition wall.

5. The precast assembled concrete partition wall structure for the rail-row area of the subway station as claimed in claim 1, wherein: the longitudinal beam of the bottom plate is an upturned beam and is formed by casting in situ.