新建路基开挖的控制方法和注意事项（The new control method of subgrade excavation and precautions）.docVIP

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新建路基开挖的控制方法和注意事项（The new control method of subgrade excavation and precautions）.doc

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新建路基开挖的控制方法和注意事项（The new control method of subgrade excavation and precautions）

新建路基开挖的控制方法和注意事项（The new control method of subgrade excavation and precautions） The new control method of subgrade excavation and precautions of.Txt life, face the fate of destruction. I do not love eolian dust, it seems to be mistaken by the front edge!! I only shed tears for the one I love most. I will learn to give up on you, because I love you too much. I won. I could give up the whole world construction preparation and construction methods (1) preparation for construction The transfer line piles, check the traverse point, route through survey, survey content including wire, middle and elevation, additional level of review points, the cross section of the measuring and drawing, and then sent to the verification engineer, after checked by on-site surveying, put out medium left pile, pile, and mark cut and fill subgrade height, location and dump etc., and submit the approved inspection engineer. (two) construction methods and measures 1. Earthwork excavation The soil cutting or stone cutting soil and weathered layer, to expand the working face, using the mixed excavation construction method using 1 ~ 2m3 backhoe with 8t ~ 15t or 165KW 3m3 dump trucks bulldozers, loaders and 8-15T dump truck earthwork excavation, excavation from top to bottom, with tight protection after excavation. According to certain parts of the contract section of deep section more characteristics of the slope high, the construction method of excavation with protection of slope excavation, excavation of Taiwan, Taiwan protection, slope instability to take construction method of piecewise interval. Construction notice: (1) before the excavation of the subgrade, a good cutoff ditch shall be constructed first; (2) when excavation is made in an aquifer, the water shall be drained and stopped before excavation; (3) section of the earthwork excavated roadbed construction elevation, to consider subsidence due to compaction, its value is determined by the test; do geotechnical test of subgrade design