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The main points of the bracket design of the double-guide beam bridge erecting machine

by:Powerston     2021-04-22
The design of the bracket must be done in the construction of the double-guide beam bridge erecting machine. If the design is not appropriate, everything will be wasted. Bracket design 1 The position of the bracket is determined by the design document on the position of the steel beam fulcrum of the existing assembly. The design fully considers the influence of the structural weight, the steel beam weight, the design weight, the load of the bridge erector, the wind load and other construction loads. 2 The span of the support should be considered in conjunction with the span of the double-guide beam construction hoist. If the original design fulcrum position span exceeds the span of the bridge erecting machine, auxiliary supports need to be added. The design of the bracket must be done in the construction of the double-guide beam bridge erecting machine. If the design is not appropriate, everything will be wasted. Bracket design 1 The position of the bracket is determined by the design document on the position of the steel beam fulcrum of the existing assembly. The design fully considers the influence of the structural weight, the steel beam weight, the design weight, the load of the bridge erector, the wind load and other construction loads. 2 The span of the support should be considered in conjunction with the span of the double-guide beam construction hoist. If the original design fulcrum position span exceeds the span of the bridge erecting machine, auxiliary supports need to be added. 3 The position of the fulcrum considers the erection of steel beams, and the position of the front fulcrum of the double-guide beam construction hoist is also considered. Generally, double-layer berets can be used as track pads. The support construction adopts the steel pipe pile support, the sinking adopts the vibration method, and the crawler crane cooperates with the vibratory hammer to strike. After the position and verticality of the steel pipe pile are measured correctly, the construction will be started. The horizontal connection between the piles and diagonal braces, brackets and wall-attached rods are processed in the steel structure processing plant in the backyard according to the pile spacing and size, and then transported to the construction site. They are lifted and installed by a tower crane. The steel pipe piles are welded and fixed, and the height and length of the weld seam must meet the design requirements. The Bailey beams are assembled in sections on the ground, and then lifted to the support with a tower crane, and the sections are extended. The length of the segment must meet the lifting capacity of a single tower crane. Pre-compression is required to complete the construction of the support foundation to eliminate settlement and inspect the bearing capacity. The main points of the bracket design during the construction of the double-guide beam bridge erecting machine are the above, and I hope to help you.
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