CN216240694U - Quick reinforcing structure for tunnel I-steel frame joint - Google Patents
Quick reinforcing structure for tunnel I-steel frame joint Download PDFInfo
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- CN216240694U CN216240694U CN202123116637.1U CN202123116637U CN216240694U CN 216240694 U CN216240694 U CN 216240694U CN 202123116637 U CN202123116637 U CN 202123116637U CN 216240694 U CN216240694 U CN 216240694U
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Abstract
The utility model discloses a quick reinforcing structure for a tunnel I-steel frame joint, which comprises: the pair of symmetrically arranged steel plate boxes are used for clamping and fixing the I-shaped steel frame joints, and a plurality of first holes are formed in the steel plate boxes; the pair of reinforcing steel plates are symmetrically fixed on the side surfaces of the pair of steel plate boxes respectively, and second holes are formed in the reinforcing steel plates corresponding to the first holes formed in the steel plate boxes; the pair of steel plate boxes and the pair of reinforcing steel plates are fixedly connected through a steel bar with screw threads and nuts, and the steel bar penetrates through the first holes corresponding to the pair of steel plate boxes and the second holes corresponding to the pair of reinforcing steel plates. The utility model has the advantages of simple structure, quick assembly and obvious reinforcing effect.
Description
Technical Field
The utility model relates to a tunnel arch mounting technology. More specifically, the utility model relates to a quick reinforcing structure for a tunnel I-steel frame joint.
Background
In soft rock tunnel construction, construction methods such as a step method, a CD method or a CRD method are generally adopted for construction, the connection of the joint parts of the arch is not smooth due to untimely support in the construction, and the positions of the connecting plates are opened seriously, so that the rigidity of the arch is greatly reduced due to untight joint parts, and the safety of the primary support structure of the tunnel is influenced. When the situation occurs, the joint part needs to be processed, if steel plates are welded on two sections of steel frames or slot type arch frame joints are adopted in advance, the universal applicability is not strong, and in order to ensure the safety of tunnel construction and strengthen the supporting rigidity of the joint part of the steel frames, a quick reinforcing structure is needed for reinforcing the arch frame joints.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick reinforcing structure for a tunnel I-steel frame joint, so as to realize safe and quick reinforcement of an arch frame.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a quick reinforcement structure of tunnel I-steel steelframe joint, includes:
the pair of symmetrically arranged steel plate boxes are used for clamping and fixing the I-shaped steel frame joints, and a plurality of first holes are formed in the steel plate boxes;
the pair of reinforcing steel plates are symmetrically fixed on the side surfaces of the pair of steel plate boxes respectively, and second holes are formed in the reinforcing steel plates corresponding to the first holes formed in the steel plate boxes;
the pair of steel plate boxes and the pair of reinforcing steel plates are fixedly connected through the steel bars with the screw threads and the nuts, and the steel bars penetrate through the first holes corresponding to the pair of steel plate boxes and the second holes corresponding to the pair of reinforcing steel plates.
Preferably, the steel plate box is provided with a U-shaped bayonet, and a pair of symmetrically arranged steel plate boxes form a square bayonet; the middle part of the surface of the steel plate box far away from the bayonet is of a convex structure.
Preferably, the reinforcing steel plate is provided on a surface of the steel plate box away from the bayonet, and the reinforcing steel plate has the same shape as the surface of the steel plate box away from the bayonet.
Preferably, the reinforcing steel plate and the opposite steel plate box are welded and fixed by channel steel.
Preferably, the channel steel comprises a first channel steel and a second channel steel;
the first channel-section steel interval of a plurality of vertical settings sets up in the vertical face that the bayonet socket was kept away from to the steel sheet case, and the second channel-section steel interval of a plurality of levels setting sets up in the horizontal plane that the bayonet socket was kept away from to the steel sheet case.
The utility model at least comprises the following beneficial effects:
the utility model is suitable for fast reinforcement of arch frame joints of urban subway drilling and blasting tunnels, mountain tunnels and the like. The steel plate box is applied to the inner side and the outer side of the steel frame, so that the force part acting on the arch frame joint position is transferred to the steel plate box, the smoothness of arch frame connection is guaranteed on one hand, the overall rigidity of the arch frame joint position is improved on the other hand, and the safety is guaranteed. The utility model has simple structure, quick assembly and obvious reinforcing effect.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is an effective view of a rapid reinforcing structure installed on a joint of a tunnel I-steel frame according to the present invention;
FIG. 2 is a partial effect diagram of the present invention;
description of the reference numerals
The steel plate box comprises a steel plate box 1, a first hole 2, a reinforcing steel plate 3, a steel bar 4, a nut 5, a U-shaped bayonet 6, a first channel steel 7, a second channel steel 8 and an I-shaped steel 9.
Detailed Description
The utility model will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the utility model based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
The utility model is further described in detail with reference to the accompanying drawings and implementation, and the specific implementation process is as follows:
as shown in fig. 1 to 2, the present invention provides a fast reinforcing structure for a tunnel i-steel frame joint, comprising:
the pair of symmetrically arranged steel plate boxes 1 are used for clamping and fixing the I-steel 10 steel frame joints, a plurality of first holes 2 are formed in the steel plate boxes 1, and the I-steel frame joints are avoided when the first holes 2 are arranged, so that the steel bars 4 cannot interfere with the I-steel frame joints when passing through;
a pair of reinforcing steel plates 3 are symmetrically fixed on the side surfaces of the pair of steel plate boxes 1 respectively, and second holes are formed in the reinforcing steel plates 3 opposite to the first holes 2 formed in the steel plate boxes 1;
wherein, a pair of steel sheet case 1 and a pair of reinforcing steel plate 3 are through taking reinforcing bar 4 and the 5 fixed connection of nut of screw thread, reinforcing bar 4 passes the first hole 2 that a pair of steel sheet case 1 corresponds and the second hole that a pair of reinforcing steel plate corresponds.
In the technical scheme, the steel plate box 1 and the reinforcing steel plate 3 are made of the same material as the steel frame connector, and the diameter of the threaded steel bar 4 and the size of the bolt sleeve used on the nut 5 and the I-shaped steel connector connecting plate are the same.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the steel plate box 1 is provided with a U-shaped bayonet 6, and a pair of symmetrically arranged steel plate boxes 1 form a square bayonet; the middle part of the surface of the steel plate box 1, which is far away from the bayonet, is of a convex structure, so that the integral rigidity is enhanced, and the steel plate box is convenient to install on site.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the reinforcing steel plate 3 is arranged on the surface, far away from the bayonet, of the steel plate box 1, and the shape of the reinforcing steel plate 3 is the same as that of the surface, far away from the bayonet, of the steel plate box 1.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the reinforcing steel plate 3 and the opposite steel plate box 1 are welded and fixed through channel steel, and the welding adopts a full-length welding mode.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the channel steel comprises a first channel steel 7 and a second channel steel 8;
the 7 intervals of first channel-section steel of a plurality of vertical settings set up in the vertical face that the bayonet socket was kept away from to steel sheet case 1, unanimous with I-steel 10 length direction, and the 8 intervals of second channel-section steel that a plurality of levels set up in the horizontal plane that the bayonet socket was kept away from to steel sheet case 1, and first channel- section steel 7 and 8 effects of second channel-section steel both can fix and strengthen steel sheet 3, can strengthen overall structure as the stiffening rib again.
When the quick reinforcement structure is used: will enclose adjacent I-steel joint connecting plate top certain length scope underholing of rock side earlier, a pair of steel sheet case 1 that has the reinforcing steel plate 3 that will make in advance inserts, behind adjustment steel sheet case 1 position and the gesture, reinforcing bar 4 inserts first hole 2 of a pair of steel sheet case 1, in the second hole of reinforcing steel plate 3, nut 5 overlaps on reinforcing bar 4 tip and screws up fixedly, thereby realize the quick reinforcement of I-steel frame joint, the steam generator is simple in structure, preparation and convenient operation, it is quick to support, need not additionally set up supporting platform, the reinforcement is effectual.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the utility model may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the utility model is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a quick reinforcement structure of tunnel I-steel steelframe joint which characterized in that includes:
the pair of symmetrically arranged steel plate boxes are used for clamping and fixing the I-shaped steel frame joints, and a plurality of first holes are formed in the steel plate boxes;
the pair of reinforcing steel plates are symmetrically fixed on the side surfaces of the pair of steel plate boxes respectively, and second holes are formed in the reinforcing steel plates corresponding to the first holes formed in the steel plate boxes;
the pair of steel plate boxes and the pair of reinforcing steel plates are fixedly connected through the steel bars with the screw threads and the nuts, and the steel bars penetrate through the first holes corresponding to the pair of steel plate boxes and the second holes corresponding to the pair of reinforcing steel plates.
2. The rapid reinforcement structure for a tunnel i-steel frame joint according to claim 1, wherein the steel plate box has a U-shaped bayonet, and a pair of symmetrically arranged steel plate boxes form a square bayonet; the middle part of the surface of the steel plate box far away from the bayonet is of a convex structure.
3. The quick reinforcing structure for the joint of the tunnel I-steel frame according to claim 2, wherein the reinforcing steel plate is arranged opposite to the surface of the steel plate box far away from the bayonet, and the shape of the reinforcing steel plate is the same as that of the surface of the steel plate box far away from the bayonet.
4. The quick reinforcing structure for a tunnel I-steel frame joint according to claim 3, wherein the reinforcing steel plate and the opposite steel plate box are fixed by welding through channel steel.
5. The quick-reinforcement structure for a tunnel i-steel frame joint according to claim 4, wherein the channel comprises a first channel and a second channel;
the first channel-section steel interval of a plurality of vertical settings sets up in the vertical face that the bayonet socket was kept away from to the steel sheet case, and the second channel-section steel interval of a plurality of levels setting sets up in the horizontal plane that the bayonet socket was kept away from to the steel sheet case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123116637.1U CN216240694U (en) | 2021-12-09 | 2021-12-09 | Quick reinforcing structure for tunnel I-steel frame joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123116637.1U CN216240694U (en) | 2021-12-09 | 2021-12-09 | Quick reinforcing structure for tunnel I-steel frame joint |
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CN216240694U true CN216240694U (en) | 2022-04-08 |
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CN202123116637.1U Active CN216240694U (en) | 2021-12-09 | 2021-12-09 | Quick reinforcing structure for tunnel I-steel frame joint |
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CN (1) | CN216240694U (en) |
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2021
- 2021-12-09 CN CN202123116637.1U patent/CN216240694U/en active Active
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