Then,a DSA for grain internal friction angle is analyzed in detail from its design principle and configuration to analyses the affection of the rate of share to the fiction angel of grain muterial.

• 分析了直剪试验原理和部分大型直剪仪的研究现状,详细介绍了用于测定粮食内摩擦角直剪仪的设计原理和结构组成,以全面比较分析剪切速率对粮食物料内摩擦角的影响。