用于在規定的試筒內制作試件后，對各種土和路面基層、底層材料進行承載比試驗?；旌狭系牧?，應控制在內，不超過40mm。

附件含CBR壓頭:1只（直徑50mm） ； CBR筒:9只（直徑152mm）；套環、底座螺栓:1套 ；墊塊:1個（直徑150mm）；透水板:9套多孔底板:9套；百分表架:9套 ；半圓加載板（配重塊）:72件；百分表:9塊

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