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Method for monitoring internal force of inclined support of foundation pit latticed column
The invention relates to a foundation pit latticed column inclined support internal force monitoring method, which comprises the following steps of: 1, determining the number of monitoring points according to a supporting structure design drawing; 2, measuring the distance from the crown beam to the diagonal bracing foundation bearing platform and the size of the latticed column, calculating a balance point of the latticed column, scribing and marking, and determining a detection point of a stressometer; 3, welding and fixing a sensor base according to the position of the balance point; step 4, installing a sensor; 5, connecting a stress tester and a sensor for calibration and testing; and 6, a stress tester is connected with the sensors through data optical cables, strain values of all positions supported along the latticed columns are obtained through the installed sensors, monitoring and data analysis are conducted, the influence of loads around the foundation pit in the monitoring area on the supporting piles and the latticed columns is judged according to changes of internal force, and the safety of the foundation pit is ensured. By monitoring and analyzing the internal force of the diagonal brace of the latticed column, early warning is performed in advance, and measures are taken in time to ensure the safety of the foundation pit.
本发明涉及一种基坑格构柱斜支撑内力监测的方法,步骤一:根据支护结构设计图纸,确定监测点数量;步骤二:测量冠梁至斜支撑基础承台的距离及格构柱尺寸,计算格构柱平衡点,划线做标记,确定应力计的检测点;步骤三:根据平衡点位置,焊接固定传感器底座;步骤四:安装传感器;步骤五:连接应力测试仪与传感器标定、测试;步骤六:将应力测试仪通过数据光缆与传感器相连,通过安装的传感器获取沿格构柱支撑各个位置的应变值,进行监测并进行数据分析,根据内力的变化判别监测区域基坑周边荷载对支护桩及格构柱的影响,确保基坑安全。本发明通过格构柱斜支撑内力监测、分析,提前预警,及时采取措施确保基坑安全。
Method for monitoring internal force of inclined support of foundation pit latticed column
The invention relates to a foundation pit latticed column inclined support internal force monitoring method, which comprises the following steps of: 1, determining the number of monitoring points according to a supporting structure design drawing; 2, measuring the distance from the crown beam to the diagonal bracing foundation bearing platform and the size of the latticed column, calculating a balance point of the latticed column, scribing and marking, and determining a detection point of a stressometer; 3, welding and fixing a sensor base according to the position of the balance point; step 4, installing a sensor; 5, connecting a stress tester and a sensor for calibration and testing; and 6, a stress tester is connected with the sensors through data optical cables, strain values of all positions supported along the latticed columns are obtained through the installed sensors, monitoring and data analysis are conducted, the influence of loads around the foundation pit in the monitoring area on the supporting piles and the latticed columns is judged according to changes of internal force, and the safety of the foundation pit is ensured. By monitoring and analyzing the internal force of the diagonal brace of the latticed column, early warning is performed in advance, and measures are taken in time to ensure the safety of the foundation pit.
本发明涉及一种基坑格构柱斜支撑内力监测的方法,步骤一:根据支护结构设计图纸,确定监测点数量;步骤二:测量冠梁至斜支撑基础承台的距离及格构柱尺寸,计算格构柱平衡点,划线做标记,确定应力计的检测点;步骤三:根据平衡点位置,焊接固定传感器底座;步骤四:安装传感器;步骤五:连接应力测试仪与传感器标定、测试;步骤六:将应力测试仪通过数据光缆与传感器相连,通过安装的传感器获取沿格构柱支撑各个位置的应变值,进行监测并进行数据分析,根据内力的变化判别监测区域基坑周边荷载对支护桩及格构柱的影响,确保基坑安全。本发明通过格构柱斜支撑内力监测、分析,提前预警,及时采取措施确保基坑安全。
Method for monitoring internal force of inclined support of foundation pit latticed column
一种基坑格构柱斜支撑内力监测的方法
SONG HONGJUN (author) / YIN ZHIPENG (author) / WANG CUIZHI (author)
2024-10-29
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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