This paper mainly studies the strength softening characteristic of loess-like soil by triaxial shear test on the basis of primary research productions of loess.
本文在黄土已有研究成果的基础上，通过三轴剪切试验对类黄土(黄土状土)的强度软化特性进行了重点研究。
2
By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.
采用沥青薄膜加热试验和紫外线老化试验，对沥青的针入度、软化点、延度和粘度等性能指标进行了试验研究。
3
The highness of steam pressure of the heat supply and the problem of manufacturing qualities, when the softening kettle is running in test, cause explosion.