The lithology and the weathering degree of the bed rocks are the main factors to determine their physical mechanical properties. 基巖的巖性和風(fēng)化程度是決定其物理力學(xué)性質(zhì)的王要因素。
RC is a composite material with rebar and concrete that have different physical mechanics characters, and its constitutive relationship is relatively complex. 摘要鋼筋混凝土是由鋼筋和混凝土兩種具有不同物理力學(xué)性質(zhì)的材料組合而成的復合材料，其本構模型比較復雜。
