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土(tu)基回弹(dan)模(mo)(mo)量(liang)测定(ding)仪厂家(jia)适用(yong)于在室内(nei)对细颗粒土(tu)或粒径20㎜以下的(de)(de)(de)级配集料试件(jian)(jian)进行回弹(dan)模(mo)(mo)量(liang)测定(ding)。试件(jian)(jian)在一定(ding)载(zai)荷的(de)(de)(de)作用(yong)下产生变(bian)(bian)形(xing),卸去(qu)载(zai)荷,变(bian)(bian)形(xing)恢复,但载(zai)荷大于试件(jian)(jian)的(de)(de)(de)弹(dan)性(xing)(xing)变(bian)(bian)形(xing)时产生塑(su)性(xing)(xing)变(bian)(bian)形(xing),本仪器采用(yong)杠(gang)杆法对试件(jian)(jian)进行加(jia)荷,卸荷试验,以得到试件(jian)(jian)的(de)(de)(de) 回弹(dan)试模(mo)(mo)和塑(su)限(xian)值。