The roof load-bearing structure of the net frame construction technology?

On the roof of the load-bearing structure of the network frame construction technology? Want to know the answer, the following is in the consulting small compilation of the roof of the load-bearing structure of the network frame construction technology related content, the basic situation is as follows:

Net frame is made of multiple rods in accordance with a certain grid form through the nodes connected to the space structure. Net frame in the lifting process consider using tower crane lifting as the main, car crane lifting as a complementary way to organize the construction.

Net frame structure construction process: deepening the design of drawings → material ordering → rods and bolts ball production → steel transportation → full scaffolding erection → measurement and positioning → steel components → steel assembling → steel welding → inspection → painting → completion and acceptance.

Net frame installation sequence:

1, using electronic computer three-dimensional modeling for computer sampling.

2, according to the electronic computer three-dimensional modeling of the coordinates of the dimensions, welding and fixing the tire mold frame.

3. Positioning the stringers and web bars on the assembled tire mold frame and spot welding them in place.

4, spot welding of the belly bar after checking and welding.

The quality control of mesh frame installation: bolt ball node of high strength bolts should be tightened in place, do not allow the sleeve contact surface has a gap that can be observed with the naked eye; has been installed mesh frame parts and components surface is clean, intact, no damage, no depression, not bad installation, the number of accurate and timely replacement of the discovery of misinstallation; steel mesh frame after the completion of the installation of the structure and the completion of the roof, respectively, to measure the value of its deflection, and the deflection value should not exceed the value of the measured The measured deflection value should not exceed the value of phase design.

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