A platform for research: civil engineering, architecture and urbanism
High-strain-method foundation pile detection automatic drop hammer excitation equipment convenient to combine and install
The invention provides high-strain-method foundation pile detection automatic drop hammer excitation equipment convenient to combine and install, and belongs to the technical field of land detection. The method specifically comprises the steps that hammer center deviation data of drop hammers of similar historical foundation piles under different excitation forces are determined according to the analysis result of historical excitation data of the drop hammers of the similar historical foundation piles, and the hammer center deviation data of the drop hammers of the similar historical foundation piles are obtained; determining reliable excitation force in the excitation force based on the hammer center deviation data, acquiring displacement change data of the foundation pile under different hammer times in the detection process under different reliable excitation forces, and determining optimal excitation force in the reliable excitation force in combination with historical detection data under different displacement change amounts; according to the method, the excitation processing of the drop hammer is carried out based on the preferable excitation force, and whether the automatic adjustment processing of the excitation equipment of the drop hammer needs to be carried out or not is determined according to the change condition of the excitation data under different adjacent hammering times, so that the accuracy of the foundation pile detection result of the high-strain method is improved.
本发明提供一种便于组合安装的高应变法基桩检测自动落锤激振设备,属于土地检测技术领域,具体包括:以相似历史基桩的落锤的历史激振数据的分析结果,确定相似历史基桩在不同的激振力下的落锤的锤心偏差数据,并基于锤心偏差数据进行激振力中的可靠激振力的确定,获取在不同的可靠激振力下的基桩在检测过程中的不同的锤击次数下的位移变动数据,并结合在不同的位移变动量下的历史检测数据进行可靠激振力中的优选激振力的确定,基于优选激振力进行落锤的激振处理,并根据不同的相邻的锤击次数下的激振数据的变动情况确定是否需要进行落锤的激振设备的自动调整处理,从而提升了高应变法的基桩检测结果的准确性。
High-strain-method foundation pile detection automatic drop hammer excitation equipment convenient to combine and install
The invention provides high-strain-method foundation pile detection automatic drop hammer excitation equipment convenient to combine and install, and belongs to the technical field of land detection. The method specifically comprises the steps that hammer center deviation data of drop hammers of similar historical foundation piles under different excitation forces are determined according to the analysis result of historical excitation data of the drop hammers of the similar historical foundation piles, and the hammer center deviation data of the drop hammers of the similar historical foundation piles are obtained; determining reliable excitation force in the excitation force based on the hammer center deviation data, acquiring displacement change data of the foundation pile under different hammer times in the detection process under different reliable excitation forces, and determining optimal excitation force in the reliable excitation force in combination with historical detection data under different displacement change amounts; according to the method, the excitation processing of the drop hammer is carried out based on the preferable excitation force, and whether the automatic adjustment processing of the excitation equipment of the drop hammer needs to be carried out or not is determined according to the change condition of the excitation data under different adjacent hammering times, so that the accuracy of the foundation pile detection result of the high-strain method is improved.
本发明提供一种便于组合安装的高应变法基桩检测自动落锤激振设备,属于土地检测技术领域,具体包括:以相似历史基桩的落锤的历史激振数据的分析结果,确定相似历史基桩在不同的激振力下的落锤的锤心偏差数据,并基于锤心偏差数据进行激振力中的可靠激振力的确定,获取在不同的可靠激振力下的基桩在检测过程中的不同的锤击次数下的位移变动数据,并结合在不同的位移变动量下的历史检测数据进行可靠激振力中的优选激振力的确定,基于优选激振力进行落锤的激振处理,并根据不同的相邻的锤击次数下的激振数据的变动情况确定是否需要进行落锤的激振设备的自动调整处理,从而提升了高应变法的基桩检测结果的准确性。
High-strain-method foundation pile detection automatic drop hammer excitation equipment convenient to combine and install
一种便于组合安装的高应变法基桩检测自动落锤激振设备
LENG NING (author) / LI JUNQIANG (author) / LI JIANBO (author) / ZHANG KUO (author) / LIANG CHAOSHU (author) / WANG JUNLING (author) / YANG ZHIHAO (author) / CHEN BOTAO (author) / ZHOU ZHI (author) / DONG GUANYING (author)
2025-01-28
Patent
Electronic Resource
Chinese
Drop hammer height adjusting device for high strain detection of pile foundation
European Patent Office | 2020
|DROP HAMMER HEIGHT ADJUSTING DEVICE FOR HIGH STRAIN DETECTION OF PILE FOUNDATION
European Patent Office | 2018
|Automatic excitation hammer for pile foundation detection by side hole transmission wave method
European Patent Office | 2023
|