Zoning, grading and synchronous tensioning construction method for double-layer spoke type closed cable net
A synchronous tensioning and spoke-type technology, applied in building components, special structures, buildings, etc., can solve the problems of low construction technical requirements, long site occupation period, and difficulty in product protection, so as to reduce the amount of aerial work and save money. Cost, effect of improving construction efficiency and construction quality
Inactive Publication Date: 2021-04-06
中冶(上海)钢结构科技有限公司
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This method requires low construction technology, but it needs to build a lot of scaffolding, the cost of the measures is high, the site occupation period is long, the protection of the finished product is difficult, and it cannot be cross-constructed with other units
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[0026] Such as Figure 1-Figure 3 Shown: Taking the double-layer spoke cable net structure of a stadium as an example, the structure is composed of 52 radial cable trusses 1, upper ring cables 2, and lower ring cables 3. According to the principle of symmetrical distribution, it is divided into 4 lifting and stretching batches. The specific implementation steps are as follows:
[0027] Step 1. Set up ring cables and radial cables to lay tire frame
[0028] Use the total station to locate the position of the cableway and lay the tire frame.
[0029] Step 2, hoop cable and upper and lower radial cable laying
[0030] When the cable body is laid, the hoisting machinery and the special cable reel are used to carry out the cable laying construction.
[0031] Step 3. Assemble the cable clip and lifting tool at low altitude
[0032] Install the ring cable clamp and the radial cable clamp according to the cable clamp marking line on the cable body, and use a torque wrench to perfo...
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The invention relates to a zoning, grading and synchronous tensioning construction method for a double-layer spoke type closed cable net. The method comprises the following steps that a total station is used for paying off and positioning a jig frame; a ring cable and a radial cable jig frame are installed; an upper ring cable and a radial cable are unfolded on the jig frame; an upper ring cable clamp and a radial cable clamp are installed; an upper radial cable fixing end anchor head is anchored with the upper ring cable clamp corresponding to the axis according to the axis, the upper radial cable is divided into a plurality of lifting subareas according to symmetrical distribution, and the upper radial cable is lifted clockwise and circularly; a lower radial cable fixing end anchor head is anchored with the lower ring cable clamp corresponding to the axis according to the axis, and the lower radial cable is divided into a plurality of tensioning subareas according to symmetrical distribution; the lower radial cable is tensioned clockwise and circularly; the lower ring cable clamp is anchored with a mast; the lower radial cable is tensioned clockwise circularly and synchronously, and the lower radial cable clamp is anchored with the mast at a proper position; and clockwise circulating synchronous tensioning is conducted in multiple stages, and after all tensioning point positions of each stage are located at the same position, tensioning of the next stage is conducted till anchoring of the lower radial cable and a ring beam structure lug plate is completed.
Description
technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method of double-layer spoke-type closed cable net divisional classification and synchronous tensioning. Background technique [0002] The construction method generally used for large-scale cable net structures is the full-wall support method, that is, firstly, a full-wall support is erected under the cable net, then ring cables, radial cables and cable clips are assembled on the support, and finally the anchoring cable net is lifted. This method requires low construction technology, but it needs to build a lot of scaffolding, the cost of the measures is high, the site occupation period is long, the protection of the finished product is difficult, and it cannot be cross-constructed with other units. Contents of the invention [0003] The present invention aims to overcome the defects of the prior art, and provides a double-layer spoke-type closed ca...
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IPC IPC(8): E04G21/12E04G21/14E04B1/34
CPCE04B1/34E04G21/121E04G21/14
Inventor 唐飞虎蒋国明金平郭建鹏赵志伟
Owner 中冶(上海)钢结构科技有限公司
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