Abstract: As a new type of monitoring instrument,the array displacement meter has advantages of automatic and real-time acquisition,3D measurement,high precision,convenient transportation and storage,flexible installation and remote monitoring.This paper introduces the operating principle of array displacement meter and its application in monitoring of an earth-rock dam in Xinjiang.The monitoring results show that the array displacement meter has good application effect in settlement deformation monitoring of earth-rock dams,and has broad application prospect.

Key words: earth-rock dam, safety monitoring, settlement, array displacement meter

摘要： 阵列式位移计作为新型监测仪器，具有自动实时采集、3D测量、精度高、运输储存方便、安装灵活、易于实 现远程监测等优点。笔者介绍了阵列式位移计的工作原理及其在新疆某土石坝监测中的应用案例，监测结果表 明阵列式位移计在土石坝沉降变形监测中应用效果良好，具有广阔的应用前景。

关键词: 土石坝, 安全监测, 沉降, 阵列式位移计