As indicated by data of settlement observation underpinning with tree root pile prevented the unequal settlement of building effectively.
沉降观测资料表明，采用树根桩托换技术有效地制止了建筑物的不均匀沉降。
The karst geological condition, the design and construction, and the settlement observation result of the low-grade plain concrete pile composite foundation for the Longgang Culture Center in Shenzh.
介绍了深圳市龙岗文化中心的岩溶地质条件、复合地基设计和施工情况；沉降观测结果表明，在岩溶地区使用素混凝土桩复合地基技术是可行的。
The application of high precision electronic level in settlement observation and the observation effect were introduced through project examples.
通过工程实例，介绍了高精密电子水准仪在沉降观测项目中的应用及其观测效果。
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