Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical simulation method for compressive ultimate bearing capacity test of post-grouting cast-in-situ bored pile
The invention belongs to the technical field of post-grouting cast-in-situ bored pile reinforcing effect numerical simulation, and particularly relates to a post-grouting cast-in-situ bored pile compression ultimate bearing capacity test numerical simulation method which comprises the following steps: step 0, selecting a pile test position, and performing pile test construction; step 1, generating an initial stress influence area of a numerical test piece; 2, setting parameters of a numerical test piece model; 3, meshing and setting boundary conditions of the numerical test piece model; step 4, establishing a compressive ultimate bearing capacity test numerical simulation analysis working condition; 5, pile top loading test parameters are determined; step 6, performing a compression ultimate bearing capacity test numerical simulation test to obtain a numerical simulation test result; according to the numerical simulation method, the error is within 15%, certain feasibility is achieved, errors and discreteness caused by man-made and environment in field experiments can be avoided, and a reference basis can be provided for similar field construction.
本发明属于后压浆钻孔灌注桩加固效果数值仿真技术领域，具体涉及一种后压浆钻孔灌注桩抗压极限承载力试验数值模拟方法，包括以下步骤：步骤0、选定试桩位置，进行试桩施工；步骤1、生成数值试件初始应力影响区域；步骤2、数值试件模型参数设置；步骤3、网格划分及数值试件模型边界条件设置；步骤4、建立抗压极限承载力试验数值模拟分析工况；步骤5、桩顶加载试验参数确定；步骤6、进行抗压极限承载力试验数值模拟试验，获取数值模拟试验结果；本发明的数值模拟方法误差在15％以内，具有一定可行性，能够避免因现场实验中人为和环境等造成的误差和离散性，能够为类似现场施工提供参考依据。
Numerical simulation method for compressive ultimate bearing capacity test of post-grouting cast-in-situ bored pile
The invention belongs to the technical field of post-grouting cast-in-situ bored pile reinforcing effect numerical simulation, and particularly relates to a post-grouting cast-in-situ bored pile compression ultimate bearing capacity test numerical simulation method which comprises the following steps: step 0, selecting a pile test position, and performing pile test construction; step 1, generating an initial stress influence area of a numerical test piece; 2, setting parameters of a numerical test piece model; 3, meshing and setting boundary conditions of the numerical test piece model; step 4, establishing a compressive ultimate bearing capacity test numerical simulation analysis working condition; 5, pile top loading test parameters are determined; step 6, performing a compression ultimate bearing capacity test numerical simulation test to obtain a numerical simulation test result; according to the numerical simulation method, the error is within 15%, certain feasibility is achieved, errors and discreteness caused by man-made and environment in field experiments can be avoided, and a reference basis can be provided for similar field construction.
本发明属于后压浆钻孔灌注桩加固效果数值仿真技术领域，具体涉及一种后压浆钻孔灌注桩抗压极限承载力试验数值模拟方法，包括以下步骤：步骤0、选定试桩位置，进行试桩施工；步骤1、生成数值试件初始应力影响区域；步骤2、数值试件模型参数设置；步骤3、网格划分及数值试件模型边界条件设置；步骤4、建立抗压极限承载力试验数值模拟分析工况；步骤5、桩顶加载试验参数确定；步骤6、进行抗压极限承载力试验数值模拟试验，获取数值模拟试验结果；本发明的数值模拟方法误差在15％以内，具有一定可行性，能够避免因现场实验中人为和环境等造成的误差和离散性，能够为类似现场施工提供参考依据。
Numerical simulation method for compressive ultimate bearing capacity test of post-grouting cast-in-situ bored pile
一种后压浆钻孔灌注桩抗压极限承载力试验数值模拟方法
ZHANG GUANGYU (Autor:in) / ZHANG SHENGJIAN (Autor:in) / LI PAN (Autor:in) / ZHENG LYUJUN (Autor:in) / JING JIHUI (Autor:in) / QI YONGZHENG (Autor:in) / YUAN SHUWEI (Autor:in) / GONG ZHUO (Autor:in) / YUAN ZIRUI (Autor:in) / LI WENDING (Autor:in)
13.09.2024
Patent
Elektronische Ressource
Chinesisch
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