sandy gravel stratum 中文意思是什麼
sandy gravel stratum
解釋
砂礫層-
The bridge is located on the alluvial plain in the front of pearl river sloping field. its piles pass through weak soil layer, sandy clay and gravel stratum ; piles " sustaining layer sits in weak - weathering or faint - weathering mudstone
該橋位於珠江三角洲坡前沖積平原,採用樁基穿越軟土、亞粘土、砂土和礫砂,持力層置於弱風化和微風化的泥質砂巖和泥灰巖夾泥巖中。 -
Through grouting practice of design and construction, it is proved feasible and cheaper to use dam heavy curtain grouting technology for leakproof and bracing for foundation pit in the sandy gravel stratum
通過一灌漿工程設計和施工實踐,說明了在含水量高補給充分的砂礫卵石層中運用大壩帷幕灌漿技術進行基坑止水和支護的可行性和經濟性。
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