1) broken sandstone
破碎砂石
2) aggregate reclaiming
破碎制砂
3) macadam sand
碎石砂
1.
The project practices indicated that this mixed macadam sand could substitute yellow sand to prepare high strength, long pumping distance and large liquidity commodity concrete.
着重针对碎石生产中产生的副产品——— 0~ 5mm石屑 ,经试验确定与天然细砂的合理混合比例 ,通过工程实践证明 ,混掺后的碎石砂用来替代黄砂 ,能配制出高强、高泵程、大流动性商品混凝
4) rock breaking
岩石破碎
1.
Rock breaking under water jet impact is an extremely complicated process.
水射流作用下岩石的破碎是一个极为复杂的过程,对水射流作用下岩石破碎机理的认识依然是众说纷纭,由此对水射流破岩机理有多种不同的学说。
5) broken rocks
破碎岩石
1.
The compressive deformation of broken rocks is obviously characterized by time-dependence.
破碎岩石的承压变形具有明显的时间效应,文中自行设计了破碎岩石承压变形仪,结合摆锤杠杆式压力机建立破碎岩石的蠕变测试方法,并针对破碎砂岩开展了相关蠕变试验研究,总结得出蠕变变形与轴向载荷、破碎块径等的关系。
6) rock fragmentation
岩石破碎
1.
Using multi-material fluid-structure interaction method and ALE method as well as explicit dynamical finite-element method,the complicated process of numerical simulation of rock fragmentation by high-pressure jet is studied according to the characteristics of the process.
针对高压水射流破碎岩石的特性,结合多物质流固耦合算法与ALE(任意拉格朗日欧拉)算法,利用显示动力学有限元程序对该复杂过程进行数值模拟,得出岩石破碎过程中的流体与固体的相互作用及岩石的破碎动态扩展过程并对连续射流冲击与脉冲射流冲击对岩石的切割效果进行对比。
2.
This paper introduces experiments and research results of rock fragmentation process and drilling technology with acoustic spectrum analysis used in Russia.
介绍了俄罗斯采用声谱分析方法研究岩石破碎过程和钻探规程的情况和结果 ,讨论了岩石破碎与声波的关系 ,说明了钻进时如何测量声波 ,分析了孔底功率、碎岩声波和钻头胎体温度与钻探工况 (抛光、正常钻进、烧钻 )的关
3.
According to the fractal theory,a fractal model for consuming energy on rock fragmentation is provided through energy consumption analysis of rock fragmentation in rotary drilling.
该模型显示出旋转钻井岩石破碎能耗不仅与钻压、转速等钻井参数关,还与地层岩石破碎体的尺度和粒度分布分形维数等因素有关。
补充资料:红砂石
红砂石 系粘质砂岩石,选用较为细密的,可打磨灰胎用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条