坑壁土質(zhì)
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坑壁坡度
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||
基坑頂緣無載重
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基坑頂緣有靜載
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基坑頂緣有動(dòng)載
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|
砂類土
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1:1
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1:1.25
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1:1.5
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碎卵石類土
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1:0.75
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1:1
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1:1.25
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輕亞粘土
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1:0.67
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1:0.75
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1:1
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亞粘土
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1:0.33
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1:0.5
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1:0.75
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極軟巖
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1:0.25
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1:0.33
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1:0.67
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軟質(zhì)巖
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1:0
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1:0.1
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1:0.25
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硬質(zhì)巖
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1:0
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1:0
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1:0
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