对现场取上来的原状土样,通常的封装方法既麻烦,又难以保证质量。针对这些问题,笔者设计了一种塑料薄膜筒,取土时把塑料薄膜筒放入铁皮管内,两头卷到铁皮筒上,再把铁皮简装入取土器内;取上土后把铁皮筒两头余土切除(注意不要切破塑料薄膜 For the undisturbed soil samples taken from the site, the usual packaging methods are both troublesome and difficult to guarantee quality. In response to these problems, the author designed a plastic film drum. When taking the soil, put the plastic film drum into the metal pipe, and roll the two ends onto the iron drum. Then put the iron bar into the earth hopper. After taking the soil, put the metal drum over two pieces. Soil removal (be careful not to cut plastic film