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Conveniently-dismounted I-shaped steel supporting frame for double-limb thin-wall pier and use method of I-shaped steel supporting frame

A technology for I-beam and thin-walled piers, which is used in the erection/assembly of bridges, bridges, buildings, etc., can solve the problems of high cost and I-beam can not be reused, so as to relieve friction, easy to take out, and improve safety. Effect

Active Publication Date: 2018-06-29
CHINA MCC5 GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that after the upper structure of the existing double-leg thin-walled pier is poured, the I-beam is often removed by cutting the I-beam along the wall of the pier, so that the I-beam cannot be reused, and the cost is extremely high. High, the purpose is to provide a kind of easy to dismantle thin-walled pier I-beam bearing frame and using method to solve the above problems

Method used

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  • Conveniently-dismounted I-shaped steel supporting frame for double-limb thin-wall pier and use method of I-shaped steel supporting frame
  • Conveniently-dismounted I-shaped steel supporting frame for double-limb thin-wall pier and use method of I-shaped steel supporting frame
  • Conveniently-dismounted I-shaped steel supporting frame for double-limb thin-wall pier and use method of I-shaped steel supporting frame

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 with figure 2 As shown, the present invention is a thin-walled pier I-steel frame with two limbs that is easy to dismantle, including pier 1, first I-steel 2, diagonal brace 3 and embedded parts 4; The embedded hole, the first I-beam 2 passes through the embedded hole; the embedded part 4 is arranged on the wall of the pier 1, and one end of the brace 3 is connected to the first I-beam 2, and the other end is connected to The embedded part 4; the embedded frame 11, the second I-beam 12, the support block 13 and the spring 14 are arranged in the embedded hole; the embedded frame 11 is arranged on the inner wall of the embedded hole, and the first The beam 2, the second I-beam 12 and the support block 13 are arranged sequentially from top to bottom in the pre-embedded frame 11; the flange of the first I-beam 2 is arranged horizontally, and the flange of the second I-beam 12 The flange is vertically arranged, and the support block 13 is arranged on the ...

Embodiment 2

[0038] Such as image 3 As shown, on the basis of Embodiment 1, this embodiment also includes an upper bracket, which includes a wedge block 5, a template 6, a support frame 7 and an operating platform 8; the wedge block 5 is fixedly arranged on the second The upper surface of an I-beam 2; the template 6 is fixedly arranged on the slope of the wedge block 5 or / and the upper surface of the first I-beam 2 through the support frame 7; the operating platform 8 is fixedly arranged on the support frame 7 The upper surface of the first I-beam 2. The lower bottom surface of the first I-beam 2 is provided with a groove 21 matching the flange of the second I-beam 12; rollers 22 are arranged in the groove 21; the flange of the second I-beam 12 It extends into the groove 21 , and the flange of the second I-beam 12 is in contact with the roller 22 .

[0039] During the implementation of this embodiment, when the first I-beam 2 is stressed, since the wedge block 5 and the support frame 7 ...

Embodiment 3

[0041] In this embodiment, on the basis of Embodiment 2, the first I-beam 2 is I45b I-beam. The second I-beam 12 is I14 I-beam. The support block 13 is made of wood material.

[0042] When this embodiment is implemented, the strength of I45b I-beam is sufficient to meet the pressure brought by the upper support frame, and the price of I14 I-beam is more than 80% lower than that of I45b, so this method can save costs more effectively. The construction cost of double limb thin-walled pier can save more than 100,000 RMB.

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PUM

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Abstract

The invention discloses a conveniently-dismounted I-shaped steel supporting frame for a double-limb thin-wall pier. A pre-buried hole which transversely runs through a pier is formed in the pier, andfirst I-shaped steel penetrates through the pre-buried hole; a pre-buried component is arranged on a wall surface of the pier, one end of an inclined strut is connected with the first I-shaped steel,and the other end of the inclined strut is connected with the pre-buried component; a pre-buried framework is arranged on an inner wall of the pre-buried hole, and the first I-shaped steel, second I-shaped steel and a support block are sequentially arranged in the pre-buried framework from top to bottom; a wing edge of the I-shaped steel is horizontally arranged, a wing edge of the second I-shapedsteel are vertically arranged, and the support block is arranged on the inner bottom surface of the pre-buried framework; and one end of a spring is connected to the bottom surface of a lower wing edge of the I-shaped steel, and the other end of the spring is connected to the inner bottom surface of the pre-buried framework. The invention further discloses a use method of the I-shaped steel supporting frame. According to the conveniently-dismounted I-shaped steel supporting frame, the first I-shaped steel can be relatively safely and conveniently taken out, does not need to be cut off and canbe repeatedly used, so that the cost is greatly saved.

Description

technical field [0001] The invention relates to the field of bridge engineering, in particular to an I-beam support frame for a double-leg thin-walled pier that is easy to dismantle and a use method thereof. Background technique [0002] The double-leg thin-walled pier is a relatively common pier form for large and medium-span highway bridges at the present stage. Its structural feature is that there are two parallel pier walls hinged or rigidly connected to the main girder at the pier position. The reinforced concrete double-leg thin-walled pier can increase the stiffness of the pier, reduce the peak value of the main girder support reaction force, and increase the beauty of the bridge. The prestressed concrete continuous rigid frame bridge adopts the pier-beam consolidation system. Here, the double thin-walled high pier is an ideal flexible pier. It can not only support the upper structure, keep the pier stable, but also have certain flexibility to meet the needs of the di...

Claims

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Application Information

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IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 罗利杨明升陈明实罗建勋
Owner CHINA MCC5 GROUP CORP