It introduces the fixing of constructing plan in different sections of the sinking-well,from sinking speed,sinking watching,sinking position and sealing technique,it elaborates the control of sinking course,analyses reasons which causes common problems in sinking,and brings forward protecting measures and dealing methods,in order to offer reference for relative project.

Technologies for Wuhan-Guangzhou railway passenger dedicated line settlement observation and prediction of settlement deformation;

On settlement observation and analysis of one high-rise commercial and living building in Shaoxing;

Construction and settlement observation of large pile foundation;

Practice of the subsidence observation on the industry squarein Panyi Coal Mine;

Superficial discusses about subsidence observation of the highrise building;

But because of hard to fix test ring in bedrock, so report of domestic deep worked-out area overlying rock subsidence observation by layers have not yet been heard so far.

Application of DiNi 12 electronic level in sedimentation observation;

The article introduces the soft roadbed treatment of Guangdong Xintai Highway connections,overloads pre-pressure on soft roadbed segment,sedimentation observation,datum calculation,analysis and estimation,and discusses effect of soft roadbed treatment project.

Combining with two skyscrapers building on the mountain foot with pile foundation to be wrapped up with soft material for hot insulation and heat preservation afterwards,this paper discuses the sedimentation observation and the data process and analysis methods.

According to the static loading test of DJM pile compound foundation and the settlement measurement test,the DJM pile have been studied concerning foundation bearing capacity and stress ratio and have been analysized the bearing performances of the DJM pile composite foundation,thus theoretical basis and reference for DJM technique in pile engineering application.

In this paper,in combination with practice of penstock anchorage extra-large height difference settlement measurement for a pump-storage hydropower station,the measurement systematic error(including the invar leveling staff temperatare correction,scaled plane bend correction and circld bulb inclination correction)is analyzed.

In this paper method of point selecting,surveying frequency and method of surveying of(filled body)subsidence monitoring of Sanming civilian use airdrome are introduced.

The setting up of point as the base of bench mark in subsidence monitoring, the selection of observing point for subsidence monitoring, the observing period and the observing processes in fields are introduced in this paper; and according to practical project, using Microsoft Excel2003 to deal with data and generate curve chart of time-subsidence.