一种分布式滑坡体深部位移实时监测方法

A Distributed and Real-time Monitoring Method for the Deep Slope Displacement

针对传统的滑坡体深部位移监测中存在人工测量成本高、监测频率低、实时性不高等问题,设计了一种多点分布式深部位移实时监测方法。该方法利用低功耗微处理器、加速度传感器实现测量单元的模块化,并任意组合为测量传感器组,施工时将该传感器组垂直放入滑坡体钻孔中,实时测量滑坡体深部各单元倾斜角参数,进而利用相邻2个单元之间的倾角值计算出滑坡体内部形变值,以及确定出滑动面位置。整个测量方法具有实时性高、无人值守、可任意扩展裁剪等特点,同时能有效降低人工测量成本,实际现场应用进一步证明了该方法的有效性。

In view of the traditional monitoring method of the landslide deep displacement,the disadvantages of high cost of artificial monitoring,low monitoring frequency and poor real-time performance,a multi-point distributed and real-time monitoring method for deep slope displacement is proposed. The low power microprocessor and the acceleration sensor are utilized to realize the modularization of the measurement unit of this method,and are arbitrarily combined as the sensor groups. The sensor group is arranged vertically into the landslide borehole during the process of construction,so as to measure the inclination angle of each unit of the landslide in real time. The internal deformation value of the landslide body is calculated and the location of the sliding surface is determined based on inclination angle of two adjacent measuring units. The study results show that the measurement method proposed in this paper with the characteristics of high real-time,unattended,arbitrarily extended and and tailoring,and it can effectively reduce the cost of artificial measurement,the effectiveness of the method is also proved by actual application.