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挡土墙计算书：取样身第二段
计算，第二段长
<Object: word/embeddings/oleObject1.bin>
<Object: word/embeddings/oleObject2.bin>
。仰斜式挡土墙，断面如
下图所示：
斜长<Object: word/embeddings/oleObject3.bin>
<Object: word/embeddings/oleObject4.bin>
（实测值）
<Object: word/embeddings/oleObject5.bin>
（图中实测值）
<Object: word/embeddings/oleObject6.bin>
，<Object: word/embeddings/oleObject7.bin>
（图中标注）
计算<Object: word/embeddings/oleObject8.bin>
<Object: word/embeddings/oleObject9.bin>
假定：挡土墙采用<Object: word/embeddings/oleObject10.bin> ...