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Dynamic correction method for controlling hammering penetration during hammering pile construction
According to the dynamic correction formula for controlling the hammering penetration during hammering pile construction, dynamic correction can be conducted according to the deviation condition of the actual pile length during construction, and a penetration constant value control method commonly used in current engineering practice is changed into a dynamic correction method. The correction method comprises the following steps that A, a designed single pile bearing capacity characteristic value # imgabs0 # is obtained, and the unit of the characteristic value # imgabs0 # is kN; step B, a single pile bearing capacity characteristic value # imgabs1 # is obtained and calculated, the unit of the characteristic value # imgabs1 # is kN, and the value is obtained through calculation according to the actual pile length and soil layer parameters provided by a geological survey report; c, according to the design drawing, the penetration control index # imgabs2 # of each of the last three arrays is obtained, and the unit of the penetration control index # imgabs2 # is mm/array; and D, according to the three numerical values, the penetration control index # imgabs3 # of each of the last three corrected arrays is obtained through the following formula, the unit of the penetration control index # imgabs3 # is mm/array, and the formula is # imgabs4 #. The method is applied to the technical field of pipe pile construction.
本发明旨在提供一种能够在施工时根据实际桩长的偏差情况进行动态修正，将目前工程实践中常用的贯入度定值控制法变为动态修正法的用于锤击桩施工时控制收锤贯入度的动态修正公式。本发明该修正方法包括以下步骤：步骤A，获取设计单桩承载力特征值#imgabs0#，其单位为kN；步骤B，获取计算单桩承载力特征值#imgabs1#，其单位为kN，数值根据实际桩长和地质勘察报告提供的土层参数计算得出；步骤C，根据设计图纸，获取最后三阵每阵贯入度控制指标#imgabs2#，其单位为mm/阵；步骤D，根据上述三个数值，通过下列公式求出修正后的最后三阵每阵贯入度控制指标#imgabs3#，其单位为mm/阵，该公式为，#imgabs4#本发明应用于管桩施工的技术领域。
Dynamic correction method for controlling hammering penetration during hammering pile construction
According to the dynamic correction formula for controlling the hammering penetration during hammering pile construction, dynamic correction can be conducted according to the deviation condition of the actual pile length during construction, and a penetration constant value control method commonly used in current engineering practice is changed into a dynamic correction method. The correction method comprises the following steps that A, a designed single pile bearing capacity characteristic value # imgabs0 # is obtained, and the unit of the characteristic value # imgabs0 # is kN; step B, a single pile bearing capacity characteristic value # imgabs1 # is obtained and calculated, the unit of the characteristic value # imgabs1 # is kN, and the value is obtained through calculation according to the actual pile length and soil layer parameters provided by a geological survey report; c, according to the design drawing, the penetration control index # imgabs2 # of each of the last three arrays is obtained, and the unit of the penetration control index # imgabs2 # is mm/array; and D, according to the three numerical values, the penetration control index # imgabs3 # of each of the last three corrected arrays is obtained through the following formula, the unit of the penetration control index # imgabs3 # is mm/array, and the formula is # imgabs4 #. The method is applied to the technical field of pipe pile construction.
本发明旨在提供一种能够在施工时根据实际桩长的偏差情况进行动态修正，将目前工程实践中常用的贯入度定值控制法变为动态修正法的用于锤击桩施工时控制收锤贯入度的动态修正公式。本发明该修正方法包括以下步骤：步骤A，获取设计单桩承载力特征值#imgabs0#，其单位为kN；步骤B，获取计算单桩承载力特征值#imgabs1#，其单位为kN，数值根据实际桩长和地质勘察报告提供的土层参数计算得出；步骤C，根据设计图纸，获取最后三阵每阵贯入度控制指标#imgabs2#，其单位为mm/阵；步骤D，根据上述三个数值，通过下列公式求出修正后的最后三阵每阵贯入度控制指标#imgabs3#，其单位为mm/阵，该公式为，#imgabs4#本发明应用于管桩施工的技术领域。
Dynamic correction method for controlling hammering penetration during hammering pile construction
一种用于锤击桩施工时控制收锤贯入度的动态修正方法
HUANG LIANGJI (author) / PENG LICAI (author) / LI MING (author) / LI GUANZE (author) / YU XIAOLONG (author) / ZHU ZHIHUA (author) / DONG LIXIONG (author)
2024-08-16
Patent
Electronic Resource
Chinese
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