A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Metro station construction stage structure stress calculation method
The invention relates to a subway station construction stage structure stress calculation method. A foundation pit support structure and a constructed main body structure form an integral bearing system; obtaining the central axis of each component in the overall bearing system, and carrying out solid modeling to form a simplified two-dimensional model; a load is applied to the two-dimensional simplified model, the structural importance coefficient of the two-dimensional simplified model is 1.0, and the load subitem coefficient is 1.1; and then carrying out structure bearing capacity limit state calculation to obtain a plurality of two-dimensional cross section structure stress calculation results about the two-dimensional simplified model. In consideration of the characteristic that the duration of each key construction stage is extremely short, the structural importance coefficient and each load subitem coefficient of a temporary structure in the construction stage are clearly limited, so that the formwork support can be dismounted according to a plan, and the construction safety can be ensured; calculation is carried out through the two-dimensional simplified model, the calculation amount is reduced, and accurate data support can be provided for structural safety judgment at the construction stage.
本申请涉及一种地铁车站施工阶段结构受力计算方法，将基坑围护结构和已经施工的主体结构形成整体承载体系；获取整体承载体系中的各个构件的中轴线，并进行实体建模，以形成简化的二维模型；对二维简化模型施加载荷，并将二维简化模型的结构重要性系数取1.0，荷载分项系数取1.1；然后进行结构承载能力极限状态计算，以得到关于二维简化模型的多个二维横断面结构受力计算结果。考虑到各关键施工阶段存续时间极短暂的特性，提出对施工阶段的临时结构的结构重要性系数和各荷载分项系数均进行明确限定，既可保证按规划拆除支模架，又可保证施工安全；通过二维简化模型进行计算，减少计算量，又能对施工阶段结构安全判定，提供准确的数据支撑。
Metro station construction stage structure stress calculation method
The invention relates to a subway station construction stage structure stress calculation method. A foundation pit support structure and a constructed main body structure form an integral bearing system; obtaining the central axis of each component in the overall bearing system, and carrying out solid modeling to form a simplified two-dimensional model; a load is applied to the two-dimensional simplified model, the structural importance coefficient of the two-dimensional simplified model is 1.0, and the load subitem coefficient is 1.1; and then carrying out structure bearing capacity limit state calculation to obtain a plurality of two-dimensional cross section structure stress calculation results about the two-dimensional simplified model. In consideration of the characteristic that the duration of each key construction stage is extremely short, the structural importance coefficient and each load subitem coefficient of a temporary structure in the construction stage are clearly limited, so that the formwork support can be dismounted according to a plan, and the construction safety can be ensured; calculation is carried out through the two-dimensional simplified model, the calculation amount is reduced, and accurate data support can be provided for structural safety judgment at the construction stage.
本申请涉及一种地铁车站施工阶段结构受力计算方法，将基坑围护结构和已经施工的主体结构形成整体承载体系；获取整体承载体系中的各个构件的中轴线，并进行实体建模，以形成简化的二维模型；对二维简化模型施加载荷，并将二维简化模型的结构重要性系数取1.0，荷载分项系数取1.1；然后进行结构承载能力极限状态计算，以得到关于二维简化模型的多个二维横断面结构受力计算结果。考虑到各关键施工阶段存续时间极短暂的特性，提出对施工阶段的临时结构的结构重要性系数和各荷载分项系数均进行明确限定，既可保证按规划拆除支模架，又可保证施工安全；通过二维简化模型进行计算，减少计算量，又能对施工阶段结构安全判定，提供准确的数据支撑。
Metro station construction stage structure stress calculation method
一种地铁车站施工阶段结构受力计算方法
LI LONGPING (author) / PAN JUN (author) / PENG YUANSHENG (author) / FENG JINGTAI (author) / ZHAO SHUNLEI (author) / XU WU (author) / SUN YI (author) / LEI WENGE (author) / MA JIANFEI (author) / ZHOU XIAOHAN (author)
2024-01-30
Patent
Electronic Resource
Chinese
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