Construction Method of Tunnel Lining Bench Combined with Moving Inverted Arch Trestle
A construction method and bench technology, which are applied to tunnel lining, tunnel, shaft lining and other directions, can solve problems such as restricting the progress of lining construction, and the construction of waterproof board can not be carried out on the inverted arch trestle, so as to shorten the safety step, The effect of optimizing work space and reducing staffing
Active Publication Date: 2020-09-04
中铁十一局集团第五工程有限公司 +2
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Problems solved by technology
[0005] In view of the above technical problems, the present invention aims to provide a construction method for the tunnel lining platform combined with the mobile inverted arch trestle to realize the cross operation of the lining platform straddling the mobile inverted arch trestle to solve the problem of tunnel lining steel bar binding, waterproof board The paving and hanging construction cannot be carried out on the inverted trestle bridge, which restricts the progress of the lining construction and can effectively control the safe step distance of the lining construction
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[0021] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:
[0022] The invention discloses a construction method of a tunnel lining platform combined with a mobile inverted arch trestle, which requires the use of the tunnel lining platform and the mobile inverted arch trestle.
[0023] combine figure 1 — Figure 4 As shown, the tunnel lining platform A includes a platform main body 1; the bottom of the platform main body 1 is equipped with an equipment foot 2 and a platform stepping cylinder 5, and the stepping cylinder 5 is used for shifting the equipment foot 2 and pushing the tunnel The lining platform moves forward as a whole. Each of the four corners of the stand main body 1 is equipped with a lifting leg 3, which can lift the equipment feet 2 off the ground, so as to lift the tunnel lining stand as a whole. Front guide wheel 6, rear guide wheel 7 and running frame 8 are installed on the stand main body 1....
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The invention relates to a tunnel lining bench and mobile inverted arc trestle combined construction method. The method comprises the steps of 1, jacking lifting outriggers of a tunnel lining bench and displacing an equipment foot margin; 2, entirely moving the tunnel lining bench forwards; 3, repeating the steps 1 and 2; 4, moving a bench dragging trolley arranged on a mobile inverted arc trestleto drag the tunnel lining bench to walk on the mobile inverted arc trestle, so as to ensure that the tunnel lining bench rides across the mobile inverted arc trestle to carry out reinforcing steel bar binding or waterproof board paving and hanging; and 5, after the concrete strength of the tunnel inverted arc is achieved, moving the inverted arc trestle to move forwards, and keeping the tunnel lining bench immobile until entering the next operation cycle. According to the method, the lining benches can ride across the mobile inverted arc trestles to carry out cross operation, so that the problem that the lining construction progress is restricted as the reinforcing steel bar binding and waterproof board paving and hanging of the tunnel linings cannot be carried out on the inverted arc trestles is solved.
Description
technical field [0001] The invention relates to the technical field of engineering construction methods, in particular to a construction method of a bench combined inverted arch trestle bridge. Background technique [0002] At present, the tunnel lining steel bar platform and waterproof panel platform are all single sets of platforms, which can be operated independently to realize the steel bar installation and waterproof panel hanging, and the lining steel bar platform and waterproof panel platform are located behind the inverted arch trestle. After the construction of the inverted arch of the tunnel by the trestle bridge is completed, the tunnel lining construction will be carried out by the lining steel frame and waterproof board frame. The deficiencies in prior art are reflected in the following points: [0003] (1) The working space is large, and the safe step distance of the tunnel is large. The two work benches generally occupy a safe step distance of 16-24m in the ...
Claims
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IPC IPC(8): E21D11/40E21D11/10E21D11/38
CPCE21D11/105E21D11/40
Inventor 王元清陈浩李勇骆云超吕虎王嵽显索继生程波
Owner 中铁十一局集团第五工程有限公司