Conclusions: priority using standard techniques. Location of geotextile layers separated are sprayed on the bottom of the crater and scattered on the sandy flat layer of black patch at the back to create sunken. In line with the standard 22TCN 248-98 "geotextile in the background building up on the weak"; TCVN 9844: 2013 "required the design, implementation and technical background in construction of weak soil embankment". Construction drawing design according to the specifications of the project.
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