1)Broken rock破碎岩体
1.Research on high pressure curtain grouting technology in shallow broken rockmass;浅层破碎岩体高压帷幕灌浆技术研究
2.Experiment and research on rapid and successful drilling in broken rock of No.2 deformation body of Laxiwa hydropower project;拉西瓦水电站Ⅱ号变形体破碎岩体快速成孔施工技术的试验与研究
3.In fields of coal mining,geotechnical engineering,the flow in broken rock is nonlinear,instable and time-varying for seepage parameters.在采矿和岩土工程中,破碎岩体中的渗流具有非线性、非稳态及参量时变等特点,外界扰动下渗流参量的渐变易引起渗流系统动力学响应的突变,引发突水及气体突出等动力学灾害。
英文短句/例句
1.IN-SITU TEST OF FRACTURED ROCK MASS WITH HIGH PRESSURE SEEPAGE IN DAM FOUNDATION坝基破碎岩体高压渗透变形原位试验
2.Application of Smooth Blasting with Borehole Wall Protection in Tunneling in Fractured Rock光面护壁爆破在破碎岩体巷道掘进中的应用
3.Experimental study on failure mechanism of high slope-rock anchor cable under condition of strong-unloading and toppling fractured rock mass强卸荷、倾倒拉裂破碎岩体条件下高边坡岩锚破坏性试验研究
4.Design and Construction of Composite Ejector Anchor Supporting of High-slope in Soft and Crushing Rock软质破碎岩体高边坡复合喷锚支护设计及施工
5.Technology Research of Chemical Grouting for Cracked Coal-Rock Mass and Demonstration Project破碎煤岩体化学注浆堵水技术研究及示范工程
6.Optimization of drilling and blasting parameter of fracture rock破碎矿岩凿岩爆破参数优化方法探讨
7.Huangshilao gold mine belongs to the extra unstable ore deposit of which, the ore? rock masses are broken and spongy with high soil containing rate.黄狮涝金矿矿体含泥率高，矿岩体松软破碎，属极不稳固的难采矿体。
8.Study on Rock-breaking Rule in Deep Wells and Rock-breaking Fractal Mechanism;深井岩石破碎规律及破碎的分形机理研究
9.A new evaluation method for rock-crushing efficiency based on crushing work ratio一种基于破碎比功的岩石破碎效率评价新方法
10.The rock must be broken by blasting.硬岩须用爆破的方法破碎。
11.Material Development and Research of Osmosis and Diffusion on Chemical Grouting for Extraordinary Cracked Coal and Rockmass;破碎煤岩体化学注浆加固材料研制及渗透扩散特性研究
12.Experimental research on particle breakage and strength characteristics of rock and soil materials with different coarse-grain contents粗粒含量对散体岩土颗粒破碎及强度特性试验研究
13.Thermo-hydro-mechanical coupling in fractured rock已破碎岩石中热—水—力学的耦合.
14.Weathering applies to crumbling and breaking down of rock into smaller pieces.风化指的是岩石破碎或崩裂成小块。
15.Mechanics Analysis and Experimental Study on the Impatct Cutting of Coal;煤岩冲击破碎的力学行为及实验研究
16.Curtain Grouting Technique for Broken Large fault Under High Pressure and Enriched Water高压富水破碎大断层围岩幕注浆技术
17.Application practice on grouting reinforcement to block water from broking limestone破碎围岩动水注浆加固工艺应用实践
18.Chunks of the overlying rock may break off and become a part of a sill.上复岩石的碎块可能破裂并成为岩床的一部分。
相关短句/例句
over-broken rock mass破碎岩体
1.Study on the laws of gas flow in over-broken rock mass;破碎岩体中的气体渗流规律研究
2.Nonlinear dynamic analysis on non-Darcy seepage in over-broken rock mass;破碎岩体非达西渗流的非线性动力学分析
3)crushing rocks岩体破碎
4)Broken rock mass岩体破碎带
5)karst fracture zone岩溶破碎体
1.The origin analysis and the treatments of the karst fracture zone in the highway tunnel in Shidaoshan mountain;试刀山隧道岩溶破碎体的成因分析及处理措施
6)Cracked coal and rockmass破碎煤岩体
延伸阅读
切削破碎岩百切削破碎岩百cutting rock breakage q荟exoe因S“【y。自sh{切削破碎岩石(euttirlg roek breakage)靠刀具的齿刃切削岩石表面的一种机械破碎方法。根据切削刀具的运动特征，切削破岩可分为截割、刨削、铣、挖掘、钻削等。切削方法不同，刀具的运动特征也不同截割:)J具运动由两个直线运动组成。刨削:刀具运动为一直线运动铣:刀具运动轨迹为曲线，仅部分与岩面接触，切削厚度可变挖掘:刀具运动由一直线运动和一弧线组成钻削:刀具运动轨迹为螺旋线 作用原理刀具在轴推力下侵人岩石，同时靠切削力沿岩面移动，生成破裂切屑。切削破碎过程呈跃进式.即切削力随时间而跳跃式地变化。二种跃进式切削破碎情况(见图)块体I沿oa面崩裂，切削力不下降至零值;块体皿沿动面破裂时，切削力下降值大于其起始值:块胭沿、方向开裂时，切削力降为零 切削参数影响切削破碎的参数有刀具几何尺寸、切削而积和切削速度 味户 切削破碎岩石 刀具几何尺寸切削破岩的工具由刀头和刀把组成，刀头由前刃面、后刃面和刀刃构成。刀具前刃面与切削面的夹角占为切削角，刀具后刃面与切削面的夹角称后角。切削抗力随切削角的增大而增加，后角大小对切削抗力产生影响后角由5”增至200时，切削抗力降低2。%~脚%，超过1扩时，影响较小，若后角增加太大·刀具耐磨性减弱，后角一般为100一12”。 切削面积取决于切削厚度和刀具宽度。切削抗力与切削厚度成正比，切削厚度不变时，它亦随刀具宽度而成正比地增大。因此，切削面积S增加，引起切削抗力增大。切削抗力厂无夕，式中n为小于l的幂指数 切削间距了改变时，切削面积、切削抗力和切削所需的能量也随着变化。实验表明，切削抗力随t/h值的增加而近似线性增加，其h为切削厚度。 切削速度对切削抗力的影响随破碎条件和岩煤性质而变化，有的随速度增加而增大，有的减小，有的变化不大。在现有采掘机械的切削速度范围内，切削煤岩时·切削速度对切削抗力的影响较小
