CN216640289U

CN216640289U - Porous template for construction of side wall of space rigid frame bridge

Info

Publication number: CN216640289U
Application number: CN202123262136.4U
Authority: CN
Inventors: 罗杨; 李凤松; 尹正; 姚亮; 熊健; 唐华东; 沈子涵; 朱晨彬; 汪建群; 贾文博; 张文龙; 李隆
Original assignee: Hunan University of Science and Technology; Third Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Current assignee: Hunan University of Science and Technology; Third Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-31
Anticipated expiration: 2031-12-23

Abstract

The utility model belongs to the technical field of bridge construction, and particularly relates to a porous template for constructing side walls of a spatial rigid bridge, which comprises the following components: the hole body formwork assembly comprises a rigid panel used for forming the side face of the side wall and a hole body frame extending along the edge of the inner side of the rigid panel, one end of the rigid panel is in a semi-elliptical arc shape, and two sides of the rigid panel are vertical.

Description

Porous template for construction of side wall of space rigid frame bridge

Technical Field

The utility model belongs to the technical field of bridge construction, and particularly relates to a porous template for constructing side walls of a space rigid frame bridge.

Background

The building formwork is a temporary supporting structure, which is manufactured according to the design requirements, so that the concrete structure and the members are formed according to the specified positions and geometric dimensions, the correct positions of the concrete structure and the members are kept, and the self weight of the building formwork and the external load acting on the building formwork are borne. In modern bridge construction, a section of daylighting section is required to be added at an entrance under a bridge, so that the entrance under the bridge has enough daylighting quantity to form a daylighting transition section, discomfort caused by sudden darkening of a road surface is avoided, and the bridge is attractive, economical and applicable and is also a main requirement of China on bridge construction.

In order to meet the requirements, a plurality of porous templates need to be manufactured at one time for field construction to complete the construction of the lighting section under the bridge, but at present, a porous template which has enough lighting quantity, is economic and attractive and is suitable is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a porous template which is economic, attractive and applicable and can ensure that the lighting quantity is enough at an entrance under a bridge, thereby forming a good lighting transition section.

A porous template for construction of space rigid frame bridge side walls comprises: the hole body template assembly comprises a rigid panel used for forming the side face of the side wall and a hole body frame extending along the edge of the inner side of the rigid panel, one end of the rigid panel is in the shape of a semi-elliptic arc, and two sides of the rigid panel are vertical.

Furthermore, the thickness of the rigid panel is 5mm, the hole frame is made of 12 x 80 strip steel, and the hole frame is provided with bolt holes.

Further, the hole wall support frame comprises a circular end area support frame used for supporting one end of the semi-elliptic arc-shaped rigid panel and a vertical area support frame used for supporting two vertical sides of the rigid panel.

Furthermore, the round end area support frame comprises a transverse and longitudinal stiffening rib and a radial support, the transverse and longitudinal stiffening rib comprises two longitudinal stiffening ribs and a transverse stiffening rib, the transverse stiffening rib is horizontally connected between the two longitudinal stiffening ribs, and the transverse and longitudinal stiffening rib is used for supporting the middle part of the round end area; the radial supports are used to support the ends of the rounded end regions.

Further, circle end area includes the fan-shaped region at the regional both ends in middle part and middle part, and the fan-shaped region at the regional both ends in middle part forms the semiellipse circular jointly, and two vertical stiffeners set up respectively in regional and fan-shaped regional two junctions in middle part, and the position of horizontal stiffener is close to the regional arc part in middle part, radial support is three, including two the same short radial support of length and a long radial support, short radial support arranges along the regional middle radial line in fan-shaped respectively, long radial support arranges along the regional bottom radial line in a fan-shaped to pass middle part region, then continue to extend along the regional bottom radial line in another fan-shaped, short radial support fixes on long radial support, and two vertical stiffeners also fix on long radial support.

Furthermore, vertical regional support frame includes the support angle steel, the support angle steel is in vertical from bottom to top equidistant distribution to through the horizontal rigid coupling of bolt in the bolt hole of hole body frame.

The hole body frame is characterized by further comprising inclined struts which are symmetrically distributed along the longitudinal center line of the vertical area, one end of each inclined strut is connected to the long radial support, the other end of each inclined strut is connected to the hole body frame, and an area defined by the inclined struts, the hole body frame and the long radial supports is triangular.

The utility model has the beneficial effects that:

the utility model designs a porous template for the side wall construction of a spatial rigid frame bridge, which is arranged on a side plate of the rigid frame bridge according to the actual construction requirement, so that the daylighting amount at the lower entrance of the rigid frame bridge is effectively increased, a daylighting transition section is formed, and discomfort caused by sudden darkening of a road surface is avoided. In addition, a plurality of porous templates can be manufactured at one time, so that the construction efficiency is improved, the construction period is shortened, and the engineering economy is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Reference numerals: 1. a bore template assembly; 11. a rigid panel; 12. a hole body frame; 13. bolt holes; 2. a round end region support frame; 21. transverse and longitudinal stiffening ribs; 210. a longitudinal stiffener; 211. a transverse stiffener; 22. radial support; 220. short radial supports; 221. a long radial support;

3. supporting angle steel; 4. and (4) bracing.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

As shown in fig. 1, the utility model discloses a porous template for constructing side walls of a space rigid frame bridge, which comprises: hole body template subassembly 1 and the pore wall support frame that is used for supporting hole body template subassembly 1, hole body template subassembly 1 is including the rigid panel 11 that is used for forming the side wall side and the hole body frame 12 of edge extension in rigid panel 11, rigid panel 11 one end is semi-ellipse circular-arc, and both sides become vertical, are domes, adopt such structure, not only handsome in appearance, simple structure easily by wide application, and the durability is strong moreover, can save material when guaranteeing intensity, has very high economic benefits.

In this embodiment, the thickness of the rigid panel 11 is 5mm, the hole frame 12 is made of 12 × 80 strip steel, and the hole frame 12 is provided with a plurality of bolt holes 13, which facilitates the fixing of the support frame.

In this embodiment, the hole wall support frame includes the circular end region support frame 2 for supporting the semi-elliptic arc-shaped end of the rigid panel 11 and the vertical region support frame for supporting the two vertical sides of the rigid panel 11, and the support frames are arranged in the circular end region and the vertical region, so that the firmness and reliability of the whole structure are ensured.

In this embodiment, the round end region support frame 2 comprises a transverse longitudinal stiffener 21 and a radial support 22, the transverse longitudinal stiffener 21 comprises two longitudinal stiffeners 210 and one transverse stiffener 211, the transverse stiffener 211 is horizontally connected between the two longitudinal stiffeners 210, and the transverse longitudinal stiffener 21 is used for supporting the middle part of the round end region; the radial supports 22 are used for supporting the end parts of the round end areas, wherein the transverse and longitudinal stiffening ribs 21 adopt No. 8 channel steel and are hinged and fixed with each other; the radial support 22 is made of 10-gauge channel steel.

In this embodiment, the circular end region includes sector regions at two ends of the middle region and the middle region, the middle region and the sector regions at two ends of the middle region together form a semi-elliptical arc, two longitudinal stiffeners 210 are respectively disposed at two junctions of the middle region and the sector regions, the transverse stiffeners 211 are located near the arc portion of the middle region, the radial supports 22 include three short radial supports 220 and a long radial support 221, the two short radial supports 220 are respectively disposed along the middle radial line of the sector regions, the long radial support 221 is disposed along the bottom radial line of one sector region, penetrates through the middle region, and then continues to extend along the bottom radial line of the other sector region, the short radial supports 220 are fixed on the long radial supports 221, the two longitudinal stiffeners 210 are also fixed on the long radial supports 221, and the longitudinal stiffeners 210 and the radial supports 22 are fixed to each other, and both are articulated with hole body frame 12 through the bolt, have guaranteed the regional external rigidity of circle end, have guaranteed the regional structural stability of circle end.

In this embodiment, vertical regional support frame includes support angle steel 3, support angle steel 3 has nine, and is distributed by equidistant 1m from bottom to top on vertical to through the horizontal rigid coupling of bolt in the bolt hole 13 of hole body frame 12, guarantee pore wall rigidity.

In this embodiment, the inclined strut device further comprises two inclined struts 4 symmetrically distributed along the longitudinal center line of the vertical region, the inclined struts 4 are number 10 channel steel, one end of each channel steel is hinged to the long radial support 221 through a bolt, the other end of each channel steel is hinged to the hole body frame 12 through a bolt, and the region surrounded by the inclined struts 4, the hole body frame 12 and the long radial supports 221 is triangular.

With this structure, the support frame 2 in the circular end region is supported.

The porous template is an integral framework, so that the integral rigidity is ensured, the bridge can be supported while good smooth ground is ensured, the template is easy to manufacture and form, a plurality of porous templates can be manufactured at one time and used in a construction site, the integral construction progress is improved, the construction period is shortened, and the main requirements of China on attractiveness, economy and applicability of bridge construction are met.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The utility model provides a porous template that is used for construction of space rigid frame bridge side wall which characterized in that includes: hole body template subassembly (1) and the pore wall support frame that is used for supporting hole body template subassembly (1), hole body template subassembly (1) is including rigid panel (11) that are used for forming the side wall side and hole body frame (12) along the edge extension in rigid panel (11), rigid panel (11) one end is half oval circular-arc, and both sides become vertical form.

2. The porous formwork for the side wall construction of the spatial rigid bridge as claimed in claim 1, wherein the thickness of the rigid panel (11) is 5mm, the hole body frame (12) is made of 12 x 80 steel strips, and the hole body frame (12) is provided with bolt holes (13).

3. The porous formwork for the construction of the side wall of the spatial rigid bridge, according to the claim 1, is characterized in that the pore wall bracing frame comprises a circular end area bracing frame (2) for bracing one end of a semi-elliptic arc shape of the rigid panel (11) and a vertical area bracing frame for bracing two sides of a vertical shape of the rigid panel (11).

4. A cellular formwork for the construction of side walls of spatial rigid bridges according to claim 3, wherein the circular end zone bracing frame (2) comprises transverse longitudinal stiffening ribs (21) and radial supports (22), the transverse longitudinal stiffening ribs (21) comprise two longitudinal stiffening ribs (210) and one transverse stiffening rib (211), the transverse stiffening rib (211) is horizontally connected between the two longitudinal stiffening ribs (210), and the transverse longitudinal stiffening rib (21) is used for supporting the middle part of the circular end zone; the radial support (22) is used for supporting the end of the round end area.

5. The cellular formwork for the construction of the side wall of the spatial rigid bridge girder according to claim 4, wherein the circular end area comprises a middle area and sector areas at both ends of the middle area, the middle area and the sector areas at both ends of the middle area jointly form a semi-elliptical arc shape, two longitudinal stiffening ribs (210) are respectively arranged at two junctions of the middle area and the sector areas, the transverse stiffening ribs (211) are positioned close to the arc-shaped part of the middle area, the radial supports (22) are three, and comprise two short radial supports (220) and a long radial support (221) which are the same in length, the short radial supports (220) are respectively arranged along the middle radial line of the sector areas, the long radial supports (221) are arranged along the bottom radial line of one sector area, penetrate through the middle area, and then continue to extend along the bottom radial line of the other sector area, the short radial support (220) is fixed on the long radial support (221), and the two longitudinal stiffening ribs (210) are also fixed on the long radial support (221).

6. The porous formwork for the side wall construction of the spatial rigid frame bridge is characterized in that the vertical area supporting frames comprise supporting angle steel (3), the supporting angle steel (3) is distributed at equal intervals from bottom to top in the longitudinal direction and is horizontally and fixedly connected in bolt holes (13) of a hole body frame (12) through bolts.

7. The porous formwork for the side wall construction of the spatial rigid frame bridge is characterized in that the porous formwork further comprises inclined struts (4) which are symmetrically distributed along the longitudinal center line of a vertical area, one end of each inclined strut is connected to the long radial support (221), the other end of each inclined strut is connected to the hole body frame (12), and the area defined by the inclined struts (4), the hole body frame (12) and the long radial supports (221) is triangular.