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采用明挖结合大尺寸框架结构多向分块预制拼装工艺进行框架涵施工具有施工速度快、施工期间对交通干扰较小等优点。以厦门市疏港路下穿通道工程为背景,考虑到结构的运营安全性、耐久性需要,结合大比例缩尺模型试验,并采用ANSYS软件对框架涵结构进行受力分析,确定结构最适埋深为1.3m,并根据结构各个尺寸的变化影响,优化了结构截面尺寸。
The construction of frame culvert with multi-directional block prefabricated assembly process with open cut and large-size frame structure has the advantages of fast construction speed and less traffic disturbance during construction. Taking the Shugang Road underpass crossing project in Xiamen as the background, taking into account the operational safety and durability of the structure, combined with large-scale scale model test and ANSYS software to analyze the force of frame structure to determine the structure optimum Depth of 1.3m, and according to the structure of the various changes in the size of the structure to optimize the size of the cross-section.