To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.

利用落锤式抗压冲击仪测定沥青混合料的冲击韧性，采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。

youdao

Central impact tests between concrete blocks are performed by a pendulum test system and a drop weight test system.

采用单摆和垂直轨道装置进行了混凝土块体对心碰撞试验。

youdao

The results showed that many factors influenced the American drop weight impact test, such as temperature, sample size and the moulding process of samples.

结果表明，美式落锤冲击试验受很多因素(如温度、试样尺寸和试样的成型工艺)影响。

youdao