Finite element analysis software combined with triangular hanging basket construction method
An analysis software and finite element technology, applied in the field of prestress analysis, can solve problems such as heavy workload, shortage, and long design cycle, and achieve the effect of short moving cycle and simple structure
Active Publication Date: 2020-04-07
NANNING MUNICIPAL ENG GRP
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Problems solved by technology
[0003] However, in the existing hanging basket design practice, due to the complexity of structural analysis, the existing calculation is lengthy. Although the designer subjectively hopes that the structural design can be optimized as much as possible, on the one hand, there is a lack of effective calculation methods; on the other hand, there is a lack of Systematic methods guide bridge structure design and improve structural design, so that structural design optimization mainly depends on accumulated engineering experience, which makes the existing design process more subjective, with heavy workload and long design cycle. Therefore, it is urgent It is hoped that the existing design computer method can be improved and optimized, and the structural deformation and force analysis can be carried out according to the actual construction loading sequence of the bridge structure under the premise of reducing the amount of calculation
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Embodiment Construction
[0023] The present invention is described further below:
[0024] The triangular light-duty hanging basket adopted in this patent is composed of 6 parts: load-bearing system, formwork system, suspension system, anchor system, walking system and construction platform. The load-bearing system is the main force-bearing structure of the hanging basket, which is composed of two triangular main trusses and a horizontal connecting system. The triangular main truss is composed of main girder, front diagonal stay rod, rear diagonal stay rod and vertical rod; the two diagonal stay rods are pinned to the main beam through the pin seat at the bottom of the rod, and bolted to the top of the rod through high-strength bolts and connecting steel plates ; The two main trusses are connected into a whole through a horizontal connecting system. The formwork system is mainly composed of bottom formwork, side formwork, end formwork and inner formwork. The bottom formwork is composed of the bottom...
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The invention relates to the technical field of pre-stress analysis methods, in particular to a method for constructing a triangular hanging basket in combination with finite element analysis software. The finite analysis method specifically comprises the following steps of: SS1, performing cast-in-place construction on a pier beam with an O# block bracket method and performing temporary consolidation on the pier beam; SS2, performing optimization design installation on the triangular light hanging basket by utilizing the finite element software; SS3, performing reasonability analysis of a pre-pressing structure on the installed triangular light hanging basket by utilizing the finite element software; SS4, adjusting bottom and side dies of the hanging basket; SS5, performing construction on pre-stressed ducts of bottom and web plate assembling reinforcements of the hanging basket; SS6, installing an inner die of the hanging basket; SS7, performing construction on pre-stressed ducts of top plate assembling reinforcements of the hanging basket; SS8, performing concrete pouring on a bridge, then making test blocks, and performing concrete curing; SS9, performing pre-stressed tension and duct grouting on the bridge; and SS10, moving forwards the hanging basket in place and then performing construction on a closure section.
Description
technical field [0001] The invention relates to the technical field of prestress analysis methods, in particular to a construction method in which finite element analysis software cooperates with a triangular hanging basket. Background technique [0002] With the rapid advancement of my country's urbanization process, the construction of municipal engineering infrastructure has been continuously developed. Municipal engineering mainly serves urban population-concentrated areas, where the traffic is relatively busy, and its roads should not be occupied for a long time due to construction. Therefore, municipal engineering has the construction nature of "short, flat, and fast", which leads to the construction of prestressed concrete continuous girder bridges. ——The hanging basket tends to be light and convenient, and the triangular hanging basket is a typical representative. [0003] However, in the existing hanging basket design practice, due to the complexity of structural a...
Claims
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IPC IPC(8): G06F30/13G06F30/23E01D21/10
Inventor 李长俊刘海彬黄建东梁伟唐健
Owner NANNING MUNICIPAL ENG GRP