摘要
在长江口深水航道治理工程中,为进行地基土的抗软化加固试验,需要寻找一种合适的地基沉降监测方法。文章在分析了现有监测方法的基础上,提出将多个倾角计固定在铰接的连续沉降板上,埋设在构筑物基础之下的泥面上,以监测地基断面沉降的方法。实际工程应用表明,监测数据规律性很好,长期稳定性强,精度高(可达0.001mm);不需设立基点,且大大降低了对施工的干扰,为远离岸线的水下断面地基沉降自动监测,开创了一种新的沉降观测方法。
In the deep water channel treatment project at the Yangtse River Estuary, a suitable foundation settlement observation way is required to conduct solidifying test of soft foundation. Based on analyzing current monitoring methods, this paper brings forward a way for monitoring foundation section settlement that is to fix multi-inclinometers on hinged concatenated plates and bury them on the foundation. The application of this measuring way in practical projects shows that the measured data have good regularity, long stability and high precision (up to 0.001mm), and the base point is not needed setting up and the disturbance on construction work is greatly reduced. This technique creates a new settlement observation way for automatically monitoring offshore foundation settlement.
出处
《石油工程建设》
2008年第1期49-52,共4页
Petroleum Engineering Construction
基金
交通部部级研究与开发资助项目 (2003-329-C01-010)
关键词
观测仪器
断面沉降
倾角计
连续板
observation instrument
section settlement
inclinometer
concatenated plates
