(9)土壤單位重w=100/磅立方呎. (10)土壓力係數C=0.2867. 2. 極限强度 p=0.85 (斜張力與剪力). (1)撓曲fc=3.000psi,fy=40.000 psi, Es=29x. 10® psi, ee = 0.003 in, ey.
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