Fabrication and installation process of round heavy-duty steel funnel embedded parts
An installation process and a technology of embedded parts, which are applied in the direction of construction, building structure, and building materials processing, etc., can solve the problems that the circular embedded parts cannot be installed as a whole, cannot guarantee the construction quality, and the construction efficiency is low, so as to achieve saving Machinery and manpower, reduced construction costs, good overall effect
Active Publication Date: 2015-09-23
MCC TIANGONG GROUP
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Problems solved by technology
In the traditional construction technology, due to the load-bearing and seismic requirements of the frame beam, the reinforcement ratio is very high, and the funnel embedded parts have high requirements for shear resistance and tensile resistance, and the coverage rate of the reinforcement on the surface of the concrete frame beam reaches 1 / 3. As a result, the circular embedded parts cannot be installed as a whole, and can only be decomposed into multiple sections for installation, so that the construction quality cannot be guaranteed, and the construction efficiency is also low
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[0019] A production and installation process of a circular heavy-duty steel funnel embedded part, which is completed according to the following steps: ① Divide the entire circular embedded part into two semicircles A and B; ② Prefabricate the two semicircular embedded parts Assembling, the error after pre-assembly is controlled below 2mm, which is convenient for the quality assurance of the later installation of embedded parts; ③ Weld the shear anchor fluke 2 on the pre-assembled circular embedded part 1, and the welding method of the shear anchor fluke adopts the same Directional symmetrical intermittent welding to reduce creep caused by welding stress (such as figure 1 , 2 shown); ④ Install the embedded part of the welded shear anchor fluke to the predetermined position and reinforce it (such as image 3 shown); ⑤ install the tensile anchor fluke 3 in the anchor fluke hole 4 made in advance from the outside to the inside, and then weld and polish it (such as Figure 5 , 6...
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The invention relates to a manufacture and installation process for a circular heavy steel hopper embedded part, which is finished according to the following steps of; (1) dividing the whole circular embedded part into two semicircular embedded parts; (2) preassembling the two semicircular embedded parts; (3) welding a shearing resistant anchor claw on the preassembled circular embedded part; (4) installing the embedded part welded with the shearing resistant anchor claw on the preset position and reinforcing; (5) installing the tensile anchor claw in an anchor claw hole manufactured in the embedded part in advance from outside to inside, welding and grinding; and (6) finally, checking and correcting all quality indexes. The invention can ensure the ovality, levelness and elevation of the installation of the circular heavy steel hopper embedded part, save machinery and manpower by 50 percent, and fundamentally reduce the construction cost.
Description
Technical field: [0001] The invention belongs to a construction method of a steel structure in the metallurgical coal industry, and particularly relates to a production and installation process of a circular heavy-duty steel funnel pre-embedded part. Background technique: [0002] With the development of social economy and the application of steel structure construction in metallurgical coal and other heavy industry infrastructure projects, it is a common funnel process to use round steel funnels as batching bins and coal blending bunkers. However, in the process of civil construction, the production of steel funnel round embedded parts, the quality control of installation, the control of basic ellipticity and levelness have always been the difficulties and weaknesses in construction. In the traditional construction technology, due to the load-bearing and seismic requirements of the frame beam, the reinforcement ratio is very high, and the funnel embedded parts have high req...
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IPC IPC(8): E04B1/41E04G21/00
Inventor 张伟陈谦治
Owner MCC TIANGONG GROUP