Formation of powdery stone and its properties are introduced. Parameters for design and construction of cushion are acquired after investigated the mechanical characteristics of powdery stone cushion.
本文介绍了石粉的形成和材料的特性,对石粉垫层的力学特征作了研究,取得了垫层的设计与施工参数。
Tectonic group patterns of coal seam depended on tectonic stress field, mechanical properties of rock of coal-bearing formation and surrounding environments.
煤层的构造组合型式在很大程度上取决于构造应力作用、含煤地层的岩石力学性质和应变环境等。
The complex inclusions in CGHAZ promote the acicular ferrite formation, which is associated with heat input and affects the mechanical properties of CGHAZ.
结果表明:CGHAZ中复合夹杂物可促进针状铁素体的形成,针状铁素体的数量与输入线能量有关并显著影响CGHAZ的力学性能。
The formation of land collapse is related to the huge empty area, geological structure, Strata and rock physical and mechanical properties and weather, hydrology.
塌陷区的形成与矿山存在巨大规模的采空区、塌陷区所处的地质构造、地层岩性及其物理力学性质和气象、水文地质条件这几个因素有关。
In addition, the cause of formation, physical and mechanical properties of Yunnan silt is very different from the silt in the other areas.
另外,云南粉土具有其地区性,其成因、物理力学性质都与其他地区的粉土有较大差别。
At present, the domestic and international study of mechanical properties of rock is not so much, and the study of mechanics parameters of rocks under formation condition is even less.
目前,国内外对岩石力学特性的研究并不多,而地层条件下岩石力学特性的研究更少。
The formation of piping is controlled by the structure, physical and mechanical properties of the soil for the base of dike and flood level.
管涌形成主要受控于堤基土体结构、土的物理力学性质和洪水位,经过不断改进的减压井等工程措施对防止管涌是有效的。
The influence of TCS process conditions on the fiber formation and mechanical properties was discussed.
探讨了纺丝工艺对纤维成形及产品力学性能的影响。
Studies the condition of silk fibroin membrane formation on the viscose fibre and the changes of physics mechanical and chemical properties of the viscose fabric after being covered by silk fibroin.
研究了用丝素整理粘胶纤维及织物,讨论丝素在粘胶纤维上的成膜条件,涂覆丝素后粘胶织物的物理机械性能和化学性能的变化。
Thermal stress, changes of minerals formation and microstructure due to temperature result in the changes of mechanical properties and degradation of sandstone.
温度引起的热应力作用、矿物组分和微结构变化导致砂岩力学性质发生改变与高温劣化。
The thermal stress, variations of mineral formation and microstructure due to the temperatures result in the variation of physical and mechanical properties and degradation of limestone.
温度引起的热应力作用、矿物组分和微结构变化导致石灰岩物理力学性质发生改变与高温劣化。
The thermal stress, variations of mineral formation and microstructure due to the temperatures result in the variation of physical and mechanical properties and degradation of limestone.
温度引起的热应力作用、矿物组分和微结构变化导致石灰岩物理力学性质发生改变与高温劣化。
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