CN209975352U

CN209975352U - Assembled concrete pier column structure

Info

Publication number: CN209975352U
Application number: CN201920749970.XU
Authority: CN
Inventors: 周万平; 高亚平; 石政伟
Original assignee: Railway Construction Zhongyuan Engineering Co Ltd
Current assignee: Railway Construction Zhongyuan Engineering Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-21
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses an assembled concrete bridge pier stud structure, including pier seat, buffer structure, protective structure, main steelframe and built-in fitting, the central point department of putting at pier seat both ends all is equipped with the built-in fitting, the central point department of putting on pier seat top is fixed with main steelframe, and the outside of main steelframe is equipped with buffer structure to it has the cast-in-place concrete to fill between buffer structure and the main steelframe, the inside of cast-in-place concrete is inlayed and is had 6 groups traction column, and the contained angle between the adjacent traction column all is 60 to the inside of traction column all is equipped with 3 strengthening ribs, the cover is equipped with protective structure on buffer structure's the lateral wall. This assembled concrete bridge pier column structure has not only improved the actual assembly efficiency of assembled concrete bridge pier column structure, has guaranteed the relatively stable when assembled concrete bridge pier column structure uses, has prolonged the life cycle of assembled concrete bridge pier column structure moreover.

Description

Assembled concrete pier column structure

Technical Field

The utility model relates to a concrete building structure technical field specifically is an assembled concrete pier stud structure.

Background

With the continuous development of infrastructure construction in China, people have higher requirements on concrete building structures, wherein aiming at the existing concrete pier column structure, in order to further improve the construction efficiency, an assembly type building mode is gradually adopted in many places.

But the current assembled concrete pier column structure still has certain problem, and the concrete problem has following several:

1. generally, the concrete pier column structure is mostly built in a cast-in-place manner, and the application of a detachable assembly structure is less, so that the overall assembly efficiency is still lower;

2. the internal structure of a plurality of concrete bridge pier columns is relatively single, an effective internal strengthening and buffering shock absorption structure is lacked, and when the concrete bridge pier columns are in natural disaster environments such as earthquakes, the relative stability of the concrete bridge pier column structure is difficult to effectively ensure;

3. the common concrete pier column structure is directly exposed outside and lacks corresponding heat preservation and corrosion prevention measures, so the service cycle of the concrete pier column structure is often short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled concrete pier stud structure to the stability of the assembly efficiency of proposing the device is lower among the above-mentioned background art when using lacks guarantee and the shorter problem of life cycle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an assembled concrete bridge pier stud structure, includes pier base, buffer structure, protective structure, main steelframe and built-in fitting, the central point department of putting at pier base both ends all is equipped with the built-in fitting, the central point department of putting on pier base top is fixed with main steelframe, and the outside of main steelframe is equipped with buffer structure to it has the cast-in-place concrete to fill between buffer structure and the main steelframe, the inside of cast-in-place concrete is inlayed and is had 6 groups of traction columns, and the contained angle between the adjacent traction column all is 60 to the inside of traction column all is equipped with 3 strengthening ribs, the cover is equipped with protective structure on buffer structure's the lateral wall.

Preferably, buffer structure is equipped with elasticity metal mesh, shock attenuation reinforcing bar and annular steelframe from inside to outside in proper order, and equidistant winding has the shock attenuation reinforcing bar on the lateral wall of elasticity metal mesh, and the outside suit of shock attenuation reinforcing bar has annular steelframe.

Preferably, 4 groups of side frame steel frames are welded on the outer side wall of the top of the annular steel frame, included angles between every two adjacent side frame steel frames are 90 degrees, and cross-shaped connecting grooves are formed in the side frame steel frames.

Preferably, the welding has mounting flange on the lateral wall of annular steelframe bottom, and mounting flange's inside is equipped with 6 groups of crab-bolts to contained angle between the adjacent crab-bolt all is 60, and the bottom of crab-bolt all with last lower built-in fitting fixed connection moreover.

Preferably, protective structure is equipped with heat preservation asbestos layer, secondary concrete pouring and concrete anticorrosive coating from inside to outside in proper order, and it has the heat preservation asbestos layer to paste on the inside wall of secondary concrete pouring, has evenly scribbled the concrete anticorrosive coating on the outside wall of secondary concrete pouring.

Preferably, the material of the concrete anticorrosive layer is a VRA vinyl ester material.

Compared with the prior art, the beneficial effects of the utility model are that: the assembly type concrete pier column structure not only improves the assembly efficiency of the concrete pier column, ensures the relative stability of the concrete pier column when in use, but also prolongs the service cycle of the concrete pier column;

1. the embedded parts are arranged at the central positions of the two ends of the pier seat, the main steel frame and the annular steel frame are fixed at the top end of the pier seat, the mounting flange is welded at the bottom of the annular steel frame, the anchor bolts are arranged inside the mounting flange, the side frame steel frame is welded at the top of the annular steel frame, and the cross connecting grooves are formed inside the side frame steel frame, so that the function of facilitating assembly of the concrete pier column structure is realized, and the actual assembly efficiency of the assembled concrete pier column structure is improved;

2. the outer side of the main steel frame is provided with the buffer structure, the elastic metal net, the damping steel bar and the annular steel frame are arranged inside the buffer structure, the traction column is embedded inside the cast-in-place concrete, and the reinforcing ribs are arranged inside the traction column, so that the functions of strengthening and damping inside the concrete pier column structure are realized, and the relative stability of the assembled concrete pier column structure during use is ensured;

3. through suit protective structure on buffer structure's lateral wall, heat preservation asbestos layer, secondary concrete pouring and concrete anticorrosive coating are established to protective structure's inside, have realized the outside anticorrosive function of heat preservation of concrete pier column structure to the life cycle of assembled concrete pier column structure has been prolonged.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the buffering structure of the present invention;

fig. 4 is a schematic view of the sectional structure of the protection structure of the present invention.

In the figure: 1. pier seats; 2. a buffer structure; 201. damping steel bars; 202. an annular steel frame; 203. an elastic metal mesh; 3. a protective structure; 301. a heat-insulating asbestos layer; 302. secondary concrete pouring; 303. a concrete corrosion protection layer; 4. a side frame steel frame; 5. a cross connecting groove; 6. a main steel frame; 7. installing a flange; 8. an anchor bolt; 9. embedding parts; 10. casting concrete in situ; 11. pulling the column; 12. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an assembled concrete bridge pier stud structure, including pier base 1, buffer structure 2, protective structure 3, main steelframe 6 and built-in fitting 9, the central point department of putting at pier base 1 both ends all is equipped with built-in fitting 9, the central point department of putting on pier base 1 top is fixed with main steelframe 6, and the outside of main steelframe 6 is equipped with buffer structure 2, and it has cast-in-place concrete 10 to fill between buffer structure 2 and the main steelframe 6, the inside of cast-in-place concrete 10 is inlayed and is had 6 groups traction column 11, and the contained angle between the adjacent traction column 11 all is 60, and traction column 11's inside all is equipped with 3 strengthening ribs 12, the cover is equipped with protective structure 3 on buffer structure 2's the lateral wall.

As shown in fig. 3, the buffer structure 2 is sequentially provided with an elastic metal mesh 203, shock-absorbing steel bars 201 and an annular steel frame 202 from inside to outside, the shock-absorbing steel bars 201 are wound on the outer side wall of the elastic metal mesh 203 at equal intervals, and the annular steel frame 202 is sleeved on the outer side of the shock-absorbing steel bars 201;

during the use, elastic metal net 203 plays inside elasticity guard action, and encircles the shock attenuation reinforcing bar 201 and the annular steelframe 202 of setting and mutually support, plays comprehensive shock attenuation function.

As shown in fig. 1, 4 sets of side frame steel frames 4 are welded on the outer side wall of the top of the annular steel frame 202, the included angles between adjacent side frame steel frames 4 are all 90 °, and the cross connecting grooves 5 are arranged inside the side frame steel frames 4, so as to facilitate the lateral clamping of the top of the concrete pier column.

As shown in fig. 1, the mounting flange 7 is welded on the outer side wall of the bottom of the annular steel frame 202, and 6 sets of anchor bolts 8 are arranged inside the mounting flange 7, and the included angles between adjacent anchor bolts 8 are all 60 °, and the bottom ends of the anchor bolts 8 are fixedly connected with the upper and lower 2 embedded parts 9, so as to strengthen the connection strength of the bottom of the concrete pier column.

As shown in fig. 4, the protective structure 3 is sequentially provided with a heat preservation asbestos layer 301, a secondary concrete pouring 302 and a concrete anticorrosive layer 303 from inside to outside, the heat preservation asbestos layer 301 is adhered to the inner side wall of the secondary concrete pouring 302, and the concrete anticorrosive layer 303 is uniformly coated on the outer side wall of the secondary concrete pouring 302 for protecting the outer layer of the concrete pier stud.

For example, the material of the concrete corrosion protection layer 303 in fig. 2 is a VRA vinyl ester material, which is used for improving the corrosion protection performance of the surface of the concrete pier stud.

The working principle is as follows: when the concrete bridge pier is used, firstly embedded parts 9 are arranged at two ends of a pier seat 1, then a main steel frame 6 is fixed at the top end of the pier seat 1, then a traction column 11 and a buffer structure 2 are sequentially arranged, an anchor bolt 8 in an installation flange 7 is locked, and finally cast-in-place concrete 10 and a protective structure 3 are respectively poured at the inner side and the outer side of the buffer structure 2, so that the self assembly of the concrete bridge pier column is completed, when a side-connected matched structure is needed, the clamping operation can be quickly completed through a cross connecting groove 5 in a side frame 4, in the later use process, 4 groups of reinforcing ribs 12 in the traction column 11 form an internal stretching-resistant structure, an annular steel frame 202, an elastic metal net 203 and damping reinforcing steel bars 201 arranged in a surrounding mode form an internal buffering damping structure, in addition, the secondary cast-in concrete 302 provides external protection for the cast-in-place concrete 10, and heat-preservation asbestos layers 301 and concrete corrosion-resistant layers 303 at the inner side and the outer side of, The anticorrosion function can effectively prolong the whole effective period of the protective structure 3, and finally complete all the work of the fabricated concrete pier column structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an assembled concrete bridge pier stud structure, includes pier base (1), buffer structure (2), protective structure (3), main steelframe (6) and built-in fitting (9), its characterized in that: the central point department of putting at pier base (1) both ends all is equipped with built-in fitting (9), the central point department of putting on pier base (1) top is fixed with main steelframe (6), and the outside of main steelframe (6) is equipped with buffer structure (2) to it has cast-in-place concrete (10) to fill between buffer structure (2) and main steelframe (6), the inside of cast-in-place concrete (10) is inlayed and is had 6 groups traction column (11), and the contained angle between adjacent traction column (11) all is 60 to the inside of traction column (11) all is equipped with 3 strengthening rib (12), the cover is equipped with protective structure (3) on the lateral wall of buffer structure (2).

2. The fabricated concrete pier stud structure of claim 1, wherein: buffer structure (2) are equipped with elastic metal net (203), shock attenuation reinforcing bar (201) and annular steelframe (202) from inside to outside in proper order, and equidistant winding has shock attenuation reinforcing bar (201) on the lateral wall of elastic metal net (203), and the outside suit of shock attenuation reinforcing bar (201) has annular steelframe (202).

3. The fabricated concrete pier stud structure of claim 2, wherein: the outer side wall of the top of the annular steel frame (202) is welded with 4 groups of side frame steel frames (4), included angles between every two adjacent side frame steel frames (4) are 90 degrees, and cross-shaped connecting grooves (5) are formed in the side frame steel frames (4).

4. The fabricated concrete pier stud structure of claim 2, wherein: the welding has mounting flange (7) on the lateral wall of annular steelframe (202) bottom, and the inside of mounting flange (7) is equipped with 6 sets of crab-bolts (8) to contained angle between adjacent crab-bolt (8) all is 60, moreover the bottom of crab-bolt (8) all with 2 built-in fittings (9) fixed connection from top to bottom.

5. The fabricated concrete pier stud structure of claim 1, wherein: protective structure (3) are equipped with heat preservation asbestos layer (301), secondary concrete pouring (302) and concrete anticorrosive coating (303) from inside to outside in proper order, and it has heat preservation asbestos layer (301) to paste on the inside wall of secondary concrete pouring (302), has evenly painted concrete anticorrosive coating (303) on the lateral wall of secondary concrete pouring (302).

6. The fabricated concrete pier stud structure of claim 5, wherein: the concrete anticorrosive layer (303) is made of VRA vinyl ester material.