【Weekly Topic】【Civil Engineering Version 20170616】

2017-06-16View Original

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Participation reward: 2 Wealth. Correct reward: 6 Wealth. Ground construction methods – Which of the following statements is correct? ( ) 　　a. Adhere to the construction principle of \"underground first, then aboveground\". b. After construction at the overall level, the curing time must be no less than 7 days. c. The thickness of the lime-soil cushion should not be less than 60 mm. d. The spacing between longitudinal contraction joints should not exceed 10 m, while the spacing between lateral contraction joints should not exceed 12 m. e. When constructing stairs, the height difference between adjacent steps on the same floor level should not be greater than 10 mm. 【Answer】abe

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【Weekly Topic】【Civil Engineering Version 20170616】

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