As the old specific water yield apparatus can not put up visually the influence of water level and its decrease depth on the specific water yield of incompact soil sample, a new apparatus is designed.

• 摘要针对原有给水度实验仪不能直观反映地下水水位埋深及其降深对给水度影响的缺点，设计了能采用柱体法测定松散土体试样的给水度的实验仪。