CN216586134U

CN216586134U - Municipal administration is V shaped steel structure pier for pedestrian bridge

Info

Publication number: CN216586134U
Application number: CN202122142988.3U
Authority: CN
Inventors: 周建波; 包杰
Original assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Current assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-05-24
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a V-shaped steel structure pier for a municipal pedestrian bridge, which comprises: the steel pier comprises a steel pier with a V-shaped longitudinal section and a bearing platform connected with the steel pier through bolts, wherein an anchor bolt and a steel base plate are embedded in the bearing platform, so that the steel base plate is welded with a bottom plate of the steel pier, and the steel base plate is connected with the bearing platform through the anchor bolt; wherein the lower part of the steel pier is poured with micro-expansion concrete. The advantages are that: the pier has beautiful appearance, the size can be finely adjusted according to actual conditions, the pier can be used as the main pier of most pedestrian overpasses, the application range is wide, and in the installation process, the traffic can be not interrupted, or the traffic interruption time is short, so that the adverse effect caused in the construction and installation process is reduced, the social and economic losses are reduced, and great social benefits are generated.

Description

Municipal administration is V shaped steel structure pier for pedestrian bridge

Technical Field

The utility model relates to the technical field of municipal bridge construction, in particular to a V-shaped steel structure pier for a municipal pedestrian bridge.

Background

With the rapid development of the road traffic industry in China, the traffic pressure of urban roads is higher and higher. However, in the current situation of many cities, pedestrian crossing facilities are not perfect, the cities are cut by traffic main roads, pedestrians cross the roads and bypass far, and pedestrian and vehicle lane conflict and traffic accidents happen frequently in commercial areas and traffic hub areas with dense activities. With the development of urban traffic planning in the future, new requirements are set for urban street crossing facility construction, and a new stage is entered. The goal is to satisfy the requirements of safe, convenient and comfortable crossing of residents, and meanwhile, the goal is to adapt to the development trend of 'green ecological' slow-moving cities.

At present, the municipal pedestrian overpass is mostly provided with concrete piers or circular steel structure piers, because the concrete piers are longer than the steel piers in construction period, the influence on road traffic and resident life is large, the landscape effect after construction is poor, the appearance of the round steel piers is common, the form is monotonous, and the vitality is lacked.

In view of the above, it is necessary to find a pier form which is beautiful, convenient and fast, and embodies the vitality and beauty of the city, so as to create the delicate environment of the city and improve the friendliness of street crossing experience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a V-shaped steel structure pier for a municipal pedestrian bridge, which aims to overcome at least one technical defect, so that the pier is convenient to install, light in structure and recyclable, and environmental pollution is reduced.

In order to realize the purpose of the utility model, the utility model provides the following technical scheme:

the utility model provides a municipal administration is V shaped steel structure pier for foot bridge, includes: the steel pier comprises a steel pier with a V-shaped longitudinal section and a bearing platform connected with the steel pier through bolts, wherein an anchor bolt and a steel base plate are embedded in the bearing platform, so that the upper end face of the steel base plate is welded with a bottom plate of the steel pier, and the steel base plate is connected with the bearing platform through the anchor bolt;

wherein, the lower part of the steel pier is poured with micro-expansion concrete.

Preferably, the steel pier is composed of two oblique line segments with V-shaped longitudinal sections, a straight line segment and a tie beam, the lower parts of the oblique line segments are connected and positioned on the straight line segment, the tie beam is parallel to the straight line segment, and two ends of the tie beam are respectively connected with one sides, away from the straight line segment, of the two oblique line segments;

the two inclined line sections are integrally formed, and the lower end faces of the straight line sections are welded to the upper end of the bottom plate.

Preferably, the slash section comprises a cabinet room of a web constitution, be equipped with the edge in the cabinet room a plurality of stiffening rib of slash section parallel arrangement, a plurality of stiffening rib equidistant arrange in the cabinet is indoor.

Preferably, a plurality of cross clapboards which are arranged at equal intervals and are horizontally arranged with the straight line sections are further arranged in the first box chamber; the periphery of the diaphragm plate is welded on the inner wall of the web plate adjacent to the diaphragm plate, and the stiffening rib penetrates through the over-welding hole in the diaphragm plate.

Preferably, the straightway is by No. two caserooms that the web constitutes, vertically be equipped with in No. two caserooms with No. two stiffening rib that a stiffening rib corresponds and with two the interior web that the inside wall of diagonal segment all corresponds, interior web is followed the vertical setting of bottom plate extends to its bottom.

Preferably, a plurality of stiffening partition plates which are arranged at equal intervals are further arranged in the second box chamber, and the stiffening partition plates and the second stiffening ribs are vertically arranged.

Preferably, No. two case rooms are equipped with a plurality of interval arrangements along its circumference the crab-bolt, just the lower part of crab-bolt extends to in the cushion cap.

The utility model discloses a V-shaped steel structure pier for a municipal pedestrian bridge, which has the advantages that: the pier has beautiful appearance, the size of the pier can be finely adjusted according to actual conditions, the pier can be used as the main pier of most of the human-shaped overpasses, the application range is wide, and the pier does not need to interrupt traffic or has short traffic interruption time in the installation process, so that the adverse effect caused in the installation process is reduced, the social and economic losses are reduced, and great social benefits are generated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a bridge pier with a V-shaped steel structure for a municipal pedestrian bridge, provided by the utility model;

FIG. 2 is a schematic view of the structure at the view angle A-A in FIG. 1;

wherein:

the steel pier comprises a steel pier 1, an open slot 11, a decorative plate 12, an inclined plane 13, an inclined line section 14, a first box chamber 14a, a support base plate 14b, a straight line section 15, a second box chamber 15a, a second stiffening rib 15b, an inner web 15c, a stiffening partition plate 15d, a tie beam 16, a first stiffening rib 17 and a transverse partition plate 18;

bearing platform 2, crab-bolt 3, steel backing plate 4, micro-expansion concrete 5, outsourcing concrete 6, No. one web 7, No. two webs 8, bottom plate 9.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

According to the figures 1 and 2, the utility model discloses a bridge pier with a V-shaped steel structure for a municipal pedestrian bridge, which comprises: the steel pier comprises a steel pier 1 with a V-shaped longitudinal section and a bearing platform 2 connected with the steel pier by bolts, wherein an anchor bolt 3 and a steel base plate 4 are embedded in the bearing platform 2, so that the steel base plate 4 is welded with a bottom plate 9 of the steel pier 1, and the anchor bolt 3 connects the steel base plate 4 with the bearing platform 2;

wherein, the lower part of the steel pier 1 is poured with micro-expansion concrete 5, and preferably, the micro-expansion concrete 5 can be poured in the range of 2m at the lower part of the structure.

Furthermore, after the micro-expansion concrete 5 is poured, the outer covering concrete 6 can be poured at the bottom of the pier of the utility model, so that the durability of the structure is enhanced.

In the implementation process, a decorative plate 12 is arranged inside an opening groove 11 of the V-shaped steel pier 1 along the radian direction of the opening groove, and the decorative plate 12 is welded with the inner side wall of the steel pier 1; and the V-shaped opening angle is adjusted and designed according to the bridge width and the support interval.

In order to avoid stress concentration and facilitate accumulated water drainage, two opposite and unconnected inclined planes 13 are arranged at the opening groove 11 of the steel pier 1.

In a specific embodiment, the steel pier 1 is composed of two oblique line segments 14 with a V-shaped longitudinal section, a straight line segment 15 and a tie beam 16, wherein the lower parts of the oblique line segments 14 are connected and positioned on the straight line segment 15, the tie beam 16 is parallel to the straight line segment 15, and two ends of the tie beam are respectively connected with one sides of the two oblique line segments 14, which are far away from the straight line segment 15; the two oblique line segments 14 are integrally formed, and the lower end of the straight segment 15 is welded on the bottom plate 9.

For the reinforcing diagonal segment 14's support stability, diagonal segment 14 comprises a web 7 of taking a case room 14a, be equipped with in a case room 14a along a plurality of stiffening rib 17 of diagonal segment 14 parallel arrangement, a plurality of stiffening rib 17 equidistant arrange in a case room 14 a.

In the specific implementation process, a support base plate 14b is horizontally arranged at the top of the diagonal section 14 and is used for being connected with a support, and can also be connected with the upper structure of the support in a welding mode.

Furthermore, a plurality of cross clapboards 18 which are horizontally arranged with the straight line section 15 and are arranged at equal intervals are arranged in the first box chamber 14 a; the left end and the right end of the diaphragm plate 18 are respectively welded on the inner wall of the first web plate 7 adjacent to the diaphragm plate, and the first stiffening rib 17 penetrates through the over-welding hole on the diaphragm plate 18 to enhance the support stability in the transverse direction and the longitudinal direction.

In a specific embodiment, in order to improve the supporting strength of the bottom of the pier and prolong the service life, the straight line section 15 is composed of a second web 8 with a second box chamber 15a, a second stiffening rib 15b corresponding to the first stiffening rib 17 and an inner web 15c corresponding to the inner side walls of the two inclined line sections 14 are vertically arranged in the second box chamber 15a, and the inner web 15c is vertically arranged along the steel backing plate 4 and extends to the bottom of the steel backing plate 4; furthermore, a plurality of stiffening partition plates 15d which are arranged at equal intervals are further arranged in the second box chamber 15a, and the stiffening partition plates 15d and the second stiffening ribs 15b are vertically arranged.

In a specific embodiment, in order to facilitate installation and disassembly, save time and ensure connection firmness, the second box chamber 15a is provided with a plurality of anchor bolts 3 arranged at intervals along the circumferential direction, and the lower parts of the anchor bolts 3 extend into the bearing platform 2.

The utility model is realized by the following steps:

1. manufacturing the steel pier 1 in a factory according to the requirement of a V-shaped opening, and transporting the steel pier to a site needing to be installed;

2. the embedded part is arranged in the bearing platform 2, then the steel pier 1 is integrally hoisted, the height of the pier is generally 5-6m and the weight is 8-10t according to the requirement of clearance arrangement, and the transportation is convenient;

3. will steel mound 1 with cushion cap 2 passes through crab-bolt 3 is connected, and the interval and the quantity of crab-bolt 3 are arranged according to actual demand, pre-buried in the cushion cap 2 have steel backing plate 4 with crab-bolt 3, after on-the-spot accurate positioning, the symmetry is screwed up crab-bolt 3 and apply appropriate pretightning force, at last pour outsourcing concrete at the pier bottom by a certain height, the durability of reinforcing structure. The micro-expansion concrete 5 can be poured within the range of 2m of the pier bottom, so that the anti-collision performance and the anti-seismic performance of the steel pier 1 are improved.

According to the technology, the V-shaped bridge pier which is attractive in structural appearance and convenient and fast to construct is researched, the size can be finely adjusted according to actual conditions, the V-shaped bridge pier can be used as a main pier of most pedestrian overpasses, the application range is wide, and reference is provided for construction of other pedestrian overpasses in the later period. In the aspect of social benefit, the V-shaped steel pier 1 is manufactured and stored in a factory, then is transported to a site to be integrally hoisted and installed, and traffic interruption is not needed or the traffic interruption time is short during construction, so that adverse effects caused during construction are reduced, social economic loss is reduced, the life and property safety of people is guaranteed, and great social benefit is generated.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a municipal administration is V shaped steel structure pier for foot bridge which characterized in that: the steel pier comprises a steel pier (1) with a V-shaped longitudinal section and a bearing platform (2) connected with the steel pier through bolts, wherein an anchor bolt (3) and a steel base plate (4) are embedded in the bearing platform (2), so that the steel base plate (4) is welded with a bottom plate (9) of the steel pier (1), and the anchor bolt (3) connects the steel base plate (4) with the bearing platform (2);

wherein, the lower part of the steel pier (1) is poured with micro-expansion concrete (5).

2. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 1, is characterized in that: the steel pier (1) is composed of two oblique line sections (14) with V-shaped longitudinal sections, a straight line section (15) and a tie beam (16), the lower parts of the oblique line sections (14) are connected and located on the straight line section (15), the tie beam (16) is parallel to the straight line section (15), and two ends of the tie beam are respectively connected with one side, away from the straight line section (15), of the two oblique line sections (14);

the two oblique line sections (14) are integrally formed, and the lower end of the straight section (15) is welded to the upper end of the bottom plate (9).

3. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 2, is characterized in that: diagonal segment (14) by a cabinet room (14a) that web (7) constitute, be equipped with in a cabinet room (14a) and follow a plurality of stiffening rib (17) of diagonal segment (14) parallel arrangement, a plurality of stiffening rib (17) equidistant arrange in a cabinet room (14 a).

4. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 3, characterized in that: a plurality of cross clapboards (18) which are arranged at equal intervals and are horizontally arranged with the straight line section (15) are also arranged in the first box chamber (14 a); the periphery of the diaphragm plate (18) is welded on the inner wall of the web plate (7) adjacent to the diaphragm plate, and the stiffening rib (17) penetrates through the over-welding hole in the diaphragm plate (18).

5. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 3, characterized in that: straightway (15) are by No. two boxrooms (15a) that No. two webs (8) constitute, vertically be equipped with in No. two boxrooms (15a) with No. two stiffening rib (15b) that a stiffening rib (17) correspond and with two interior web (15c) that the inside wall of diagonal segment (14) all corresponds, interior web (15c) are followed bottom plate (9) vertical setting extends to its bottom.

6. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 5, characterized in that: a plurality of stiffening partition plates (15d) which are arranged at equal intervals are further arranged in the second box chamber (15a), and the stiffening partition plates (15d) and the second stiffening ribs (15b) are vertically arranged.

7. The bridge pier with the V-shaped steel structure for the municipal pedestrian bridge according to claim 5, is characterized in that: no. two caserooms (15a) are equipped with a plurality of interval arrangements along its circumference crab-bolt (3), just the lower part of crab-bolt (3) extends to in cushion cap (2).