Selection of materials include characteristics of cement, particle size, intrinsicstrength, shape and texture of aggregate, chemical admixtures and mineral admixtures, etc.
材料的选择包括水泥的品质、集料粒径、集料强度、颗粒形状和质地、化学外加剂、矿物掺合料等。
2
The intrinsic relations between energy dissipation, energy release, and strength and abrupt structural failure of rocks during failure process are discussed.
讨论了岩石变形破坏过程中能量耗散、能量释放与岩石强度和整体破坏的内在联系。
3
Through the X-ray diffraction analysis and point loading strength test, intrinsic causes for the rockburst in some sandy mudstones in Erlang mountain highway tunnel has been ascertained.