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Installation and construction method for deeply-buried tunnel type anchorage splay saddle

A construction method and technology for a loose cable saddle, which are applied to suspension bridges, bridge forms, hoisting devices, etc., can solve the problems of complicated installation process and difficult installation, achieve convenient construction, safe and controllable construction process, and solve the problem of hoisting the scattered cable saddle. effect of the problem

Pending Publication Date: 2021-04-13
CCCC SHEC SECOND ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the existing problems of difficult installation and complicated installation process, the present invention provides a deep-buried tunnel-type anchorage loose cable saddle installation and construction method, the present invention is simple in structure, easy to use and safe in construction

Method used

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  • Installation and construction method for deeply-buried tunnel type anchorage splay saddle
  • Installation and construction method for deeply-buried tunnel type anchorage splay saddle
  • Installation and construction method for deeply-buried tunnel type anchorage splay saddle

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Embodiment 1

[0031] In order to overcome the problems of existing installation difficulties and complicated installation process, the present invention provides such as Figure 1-4 Shown is a deep-buried tunnel-type anchorage loose cable saddle installation and construction method. The invention has simple structure, convenient use and safe construction.

[0032] A deep-buried tunnel-type anchor loose cable saddle installation and construction method, the specific steps are:

[0033] Step 1, arrange two anti-pull winches 1 near the tunnel anchor door 15 to pull the flatbed car 4;

[0034] Step 2, arrange two parallel tracks 5 in the tunnel anchor hole 17, the centerlines of the two tracks 5 are consistent with the installation centerline of the loose cable saddle, and process the flatbed car 4, and the flatbed car 4 is located on the track 5;

[0035] Step 3, set up loose cable saddle hanging mast 11;

[0036] Step 4: Install the longitudinal traveling device and hoisting hoist 12 on the...

Embodiment 2

[0044] Based on the basis of embodiment 1, in the present embodiment, preferably, in the described step 2, when processing the flat car 4, drill holes according to the connection size of the loose cable saddle saddle body 7 and the cylindrical steel support 8, on the flat car 44 Drill corresponding holes in the corners and the centers of the two long sides.

[0045] Preferably, in the step 3, the scatter-cable saddle hanger gantry 11 includes the gantry foundation and the gantry rods, the gantry foundation is pre-buried when pouring the loose-cable saddle foundation 14, and the gantry rods are transported by a reverse pull hoist 1 and flatbed truck 4 are transported, and loose cable saddle hanging door frame 11 adopts artificially to add electric hoist auxiliary installation when setting up.

[0046] Preferably, in step four, after the sling-cable saddle hanger gantry 11 is installed, a load test is carried out according to the specification requirements, and the hoisting star...

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Abstract

The invention provides a deep-buried tunnel type anchorage splay saddle mounting construction method. The method comprises the following specific steps of step 1, arranging two counter-pull winches near a tunnel anchor portal for dragging a flat car; 2, two parallel rails being arranged in the tunnel anchor pilot tunnel, the center lines of the two rails being consistent with the installation center line of the splay saddle, a flat car being machined, and the flat car being located on the rails; 3, erecting a splay saddle hanging portal frame; 4, after the splay cable saddle gantry is erected, a longitudinal walking device and a hoisting winch being installed on the splay cable saddle gantry; and 5, the cylindrical surface steel support being hoisted to a flat car and fixedly connected. According to the method, the splay saddles are transported by lowering the rails, and the splay saddle hoisting portal is erected in the hole to hoist the splay saddles, so a problem of hoisting the splay saddles in a deep-buried tunnel anchor closed space is effectively solved, the whole construction process is safe and controllable, and construction is convenient.

Description

technical field [0001] The invention relates to the field of loose cable saddle installation, in particular to a method for installing a deep buried tunnel anchor loose cable saddle. Background technique [0002] When designing and constructing anchorages for suspension bridges in mountainous areas, affected by terrain conditions, they are usually designed as tunnel-type anchorages with a small volume. In this case, the tunnel anchor is designed to be deeply buried. The anchor chamber of this kind of tunnel is located in the deep ground, and there is a long-range tunnel-shaped guide hole (main cable passage section) between the anchor chamber and the surface door, and the installation position of the loose cable saddle is tens of meters away from the ground surface. Even hundreds of meters. The loose cable saddle is a large-scale finished component. In this case, it is installed in a closed and narrow underground space. The construction site is extremely limited, and large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/14E01D11/02E01D21/00B66C19/00B66C5/02B66C11/00B66C13/08B66C13/00
CPCB66C5/02B66C11/00B66C13/00B66C13/08B66C19/00E01D11/02E01D19/14E01D21/00
Inventor 徐翾玄张明闪张林丁亚辉祈建林李旭东王奇锐张富有郭鹏柳小胜
Owner CCCC SHEC SECOND ENG
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