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Method and device for determining bearing capacity of PHC pipe pile composite foundation through static sounding method
The invention relates to the field of geotechnical engineering in-situ test application research, and provides a method and device for determining the bearing capacity of a PHC pipe pile composite foundation through a static sounding method. The method comprises the following steps: performing a static sounding test on soil between piles to obtain a static sounding test result; according to a static sounding test result, layering soil between the piles within the treatment depth range of the PHC pipe piles, and calculating the average value of conical tip resistance of each layer of soil; according to the average value of the conical tip resistance of each layer of soil, the average value of the conical tip resistance of the inter-pile soil bearing stratum is calculated; according to the average value of the conical tip resistance of the inter-pile soil bearing layer, the corresponding specific penetration resistance of the inter-pile soil bearing layer is calculated; according to the axial bearing capacity design value of the PHC pipe pile and the side resistance standard value of the PHC pipe pile, the bearing capacity characteristic value of the PHC pipe pile is calculated; and calculating the bearing capacity of the PHC pipe pile composite foundation according to the bearing capacity characteristic value of the PHC pipe pile and the corresponding specific penetration resistance of the soil bearing layer between the piles.
本发明涉及岩土工程原位测试应用研究领域，提供了一种静力触探法确定PHC管桩复合地基承载力的方法及装置。该方法包括，进行桩间土静力触探测试，得到静力触探试验结果；根据静力触探试验结果，对PHC管桩处理深度范围内桩间土进行分层，计算各层土锥尖阻力平均值；根据各层土锥尖阻力平均值，计算桩间土持力层锥尖阻力平均值；根据桩间土持力层锥尖阻力平均值，计算桩间土持力层相应的比贯入阻力；根据PHC管桩轴向承载力设计值和PHC管桩侧阻力标准值，计算PHC管桩承载力特征值；根据PHC管桩承载力特征值和桩间土持力层相应的比贯入阻力，计算PHC管桩复合地基承载力。
Method and device for determining bearing capacity of PHC pipe pile composite foundation through static sounding method
The invention relates to the field of geotechnical engineering in-situ test application research, and provides a method and device for determining the bearing capacity of a PHC pipe pile composite foundation through a static sounding method. The method comprises the following steps: performing a static sounding test on soil between piles to obtain a static sounding test result; according to a static sounding test result, layering soil between the piles within the treatment depth range of the PHC pipe piles, and calculating the average value of conical tip resistance of each layer of soil; according to the average value of the conical tip resistance of each layer of soil, the average value of the conical tip resistance of the inter-pile soil bearing stratum is calculated; according to the average value of the conical tip resistance of the inter-pile soil bearing layer, the corresponding specific penetration resistance of the inter-pile soil bearing layer is calculated; according to the axial bearing capacity design value of the PHC pipe pile and the side resistance standard value of the PHC pipe pile, the bearing capacity characteristic value of the PHC pipe pile is calculated; and calculating the bearing capacity of the PHC pipe pile composite foundation according to the bearing capacity characteristic value of the PHC pipe pile and the corresponding specific penetration resistance of the soil bearing layer between the piles.
本发明涉及岩土工程原位测试应用研究领域，提供了一种静力触探法确定PHC管桩复合地基承载力的方法及装置。该方法包括，进行桩间土静力触探测试，得到静力触探试验结果；根据静力触探试验结果，对PHC管桩处理深度范围内桩间土进行分层，计算各层土锥尖阻力平均值；根据各层土锥尖阻力平均值，计算桩间土持力层锥尖阻力平均值；根据桩间土持力层锥尖阻力平均值，计算桩间土持力层相应的比贯入阻力；根据PHC管桩轴向承载力设计值和PHC管桩侧阻力标准值，计算PHC管桩承载力特征值；根据PHC管桩承载力特征值和桩间土持力层相应的比贯入阻力，计算PHC管桩复合地基承载力。
Method and device for determining bearing capacity of PHC pipe pile composite foundation through static sounding method
静力触探法确定PHC管桩复合地基承载力的方法及装置
LIU MU (author) / YANG QINGYI (author) / JIANG JUNYI (author) / FAN PEIJUN (author) / LI RENJIE (author) / SUN XU (author) / WANG LIBO (author) / JI CHENGLIANG (author) / BIAN LEI (author) / ZHANG QINGZHOU (author)
2023-11-17
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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