The method and criteria for quickly determining the usage level of Beret films

Berets are a type of equipment used in construction activities. Over time, Berets may develop cracks. How can we prevent the occurrence of cracks. How should we control ourselves after cracks appear?

The Bailey piece is welded from upper and lower chords, vertical bars, and diagonal bars. The ends of the upper and lower chords have male and female joints, and the joints have pin holes for connecting the pestle frame. The chord of the Beret piece is composed of two 10 gauge channel steels (back-to-back). Multiple steel plates with circular holes are welded to the lower chord. There are bolt holes in the upper and lower chords for connecting to the reinforced chord and double-layer truss. There are also four bolt holes in the upper chord for connecting to the support frame, with two holes in between for connecting double or multiple rows of trusses in the same section.

By elaborating on the development and testing of the Beret leasing detection system, determine the detection control indicators. Propose the process flow of the Beret detection system, and through a certain number of tests, analysis, and verification judgments, classify Beret into three categories: normal use, degraded use, and scrap. Propose a fast judgment method and standard for determining the level of Beret use, and identify potential hazards during use, effectively ensuring the reliability of Beret use in Hunan. The necessity of developing beret detection technology is due to the different service life and working conditions of beret truss plates (hereinafter referred to as beret plates) (some of which are used in offshore engineering and soaked in seawater), as well as non-standard maintenance processes, resulting in varying degrees of performance degradation of some beret plates.

Berets can be used for highway bridges, assembling gantry cranes, guide beams, bridge erecting machines, hanging baskets, etc. The Beilei truss combination gantry crane adopts prefabricated highway steel bridge components to assemble the gantry frame, and its span and column height are adjustable to adapt to different work sites. Chongqing Beilei Pian Leasing is widely used in construction projects such as highways, railways, municipal engineering, construction, water conservancy, bridge construction prefabrication yards for lifting and moving prefabricated components, and bridge pier side transportation of large beams for on-site construction operations.

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