Soil Engineering and Foundation

›› 2017, Vol. 31 ›› Issue (6): 779-782.

Previous Articles    

Lateral Earth Pressure Measurement on the Pile-Soil Interface for the Jacked Pile Installation Using Silicon Piezoresistive Sensors

WANG Yonghong1,2 , ZHANG Mingyi1, 2 , SANG Songkui1,2 , MIAO Dezi1,2   

  1. (1.School of Civil Engineering, Qingdao Technological University, Qingdao, 266033;
    2.Collaborative Innovation Center of Engineering Construction and Safety, Shandong Blue Economic Zone, 
    Qingdao Technological University, Qingdao, 266033)
  • Received:2017-09-05 Revised:2017-09-21 Online:2017-12-20 Published:2017-12-27

Abstract: Silicon piezoresistive sensors have the characters of having high sensitivity, high accuracy, high dynamicfrequency, wide measuring range and small size. These characteristics can be used to monitor the jacked pile installation. The silicon piezoresistive earth pressure sensors and pore water pressure sensors were used to test lateral pressure and pore water pressure at the interface between the pile and the soil. The test results show that the silicon piezoresistive sensors can be used to monitor the jacked pile installation for they can accurately measure the lateral earth pressure and the pore water pressure at the interface between the pile and the soil at various installation depths.

Key words: Silicon Piezoresistive Sensors, Jacked Pile, Installation, Interface Between Pile and Soil, Lateral Earth Pressure Measurement