银河彩票
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标准: German code for soils, rocks, road con?structions TP BF-StB part B 8.3/2003 手持式落锤弯沉仪用于确定土方和道路工程中土体的承载力以及土体、非粘性底基层的压缩性，还可以用于土体的改良。该方法适用于粒径不超过63mm的粗粒或混合粒土】并可以确定土体的动弹性模量（Evd =15～80 MN/m2.）
