【Joint Study*】【Civil Engineering Version 20160128】
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This post was last edited by hesonchang214 on 2016-1-28 at 11:56. A reward of 2 Wealth points is given for participation, and 9 Wealth points for correct answers. When mechanically excavating the foundation trench, in order to prevent disturbance to the soil at the base, a layer of soil with a thickness of ( ) mm above the base level should be retained, to be manually adjusted before the foundation construction begins. A. 200～300 B. 400～500 C. 600～700 D. 800～900
A. 200～300~~~~~~~~~~~~~
The foundation trench is excavated mechanically; to prevent disturbance of the soil at the base, a layer of soil with a thickness of (A) mm above the base level should be retained, to be manually trimmed prior to foundation construction. A. 200～300 B. 400～500 C. 600～700 D. 800～900
The foundation trench is excavated mechanically; to prevent disturbance of the soil at the base, a layer of soil with a thickness of (A) mm above the base level should be retained, to be manually trimmed prior to foundation construction. A. 200～300 B. 400～500 C. 600～700 D. 800～900