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。
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。
The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。
The method and standard of drop weight tear test were described. It was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by DWTT.
论述了落锤撕裂试验的方法和标准，并对用DWTT来评定管材及其焊接接头的韧脆转化能力进行了探讨。
Quasi-static and dynamic compression experiments of carbon fiber reinforced epoxy resin matrix composite cylinder structures are implemented by NYL-200D testing machine and drop weight equipment.
利用NYL-200D型压力实验机和落锤装置对圆筒形碳纤维增强环氧树脂基复合材料结构进行了准静态和动态冲击压缩实验。
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。
This paper presents experimental investigations on low-velocity impact response of hollow integrated sandwich composites with aluminum skin by using drop-weight method.
本文采用落锤冲击试验机对铝蒙皮整体中空夹层复合材料进行了低速冲击试验。
The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weight tear test(DWTT)at different temperature and micrograph analysis.
通过对管线钢不同温度的落锤撕裂试验和微观断口分析，研究了DWTT试样断口的分层裂纹及其对断裂的影响。
The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weight tear test(DWTT)at different temperature and micrograph analysis.
通过对管线钢不同温度的落锤撕裂试验和微观断口分析，研究了DWTT试样断口的分层裂纹及其对断裂的影响。
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