Journal of Shanghai University(Natural Science Edition) ›› 2016, Vol. 22 ›› Issue (6): 821-828.doi: 10.3969/j.issn.1007-2861.2016.05.014

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Influences of the water conservancy revetment structure construction to the adjacent underground raw water pipeline

CAI Yu   

  1. Shanghai Investigation, Design and Research Institute Co., Ltd., Shanghai 200434, China
  • Received:2016-05-20 Online:2016-12-30 Published:2016-12-30

Abstract:

Combined with the 2nd Da Lu waterway regulation project, water conservancy revetment constructions on the existing adjacent underground water supply pipelines were investigated. Besides the squeezing soil effect of the piles, the project also influenced the settlement of the structure and soil vibration, pre-drilling hole collapse, change of upper load, and so forth. To reduce the influence, some measures were taken, including in situ monitoring, control of sink rate of pile, and seperate pilling of neighboring pile foundations, restrictions on piling quantity, pre-drilled piling, considering the front pile curtain effect,
and pre-borehole wall protection. The practice results showed that these measures were effective and could be used for the similar projects.

Key words:  excess pore water pressure ,  plastic zone,  squeezing soil effect , raw water pipeline