红砂岩
- 网络red sandstone
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基于对裂隙岩石的细观CT试验,对含有单一裂纹的贵溪红砂岩在单轴疲劳荷载作用下的损伤扩展机理和演化过程进行了初步的试验研究。
Based on real time CT testing , primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition .
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基于Rayleigh波波速计算强夯含块石人工填土沉降量强夯处理红砂岩碎(块)石填土地基检测方法探讨
Calculation of the settlement of artificial fill with dynamic compacted block stone foundation by Rayleigh wave Discussion of the Detection Methods on Backfilled Ground with Red Sandstone Fragments Treated by Dynamic Consolidation
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结果表明Ca(OH)2饱和液对I类红砂岩的崩解性抑制作用最强。
The results showed that Ca ( OH ) 2 saturated solution could inhibit red sandstone slaking most effectively .
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红砂岩母质红壤侵蚀作用的~(137)Cs法初步研究
Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using ~ ( 137 ) Cs Measurements
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本文对风干的红砂岩粗粒土及饱水红砂岩粗粒土路堤填料进行了CBR试验、耐崩解试验、压缩试验和剪切试验。
The CBR test , slake durability test , compressing test and shearing test of the dry and wet redstone granular soil samples were respectively carried out in this paper .
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使用饱和NaCl溶液对绿泥石片岩和红砂岩进行饱和,对两种用饱和NaCl溶液饱和的岩石进行单轴和三轴压缩试验,得出饱和NaCl溶液对绿泥石片岩和红砂岩岩石力学性质的影响。
Use saturated NaCl solution to saturation chlorite schist and red sandstone , do uniaxial and triaxial compression tests for these rocks , get the influence of saturated NaCl solution to the rock mechanical properties . 4 .
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EN-1土壤固化剂改良红砂岩的作用机理与路用性能研究
Study on Action Mechanism and Road Performance of Improved Red Sandstone by EN-1 Soil Agent
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EN-1土壤固化剂改良红砂岩优化路面结构静力分析计算
Static Analysis Calculation of Improved Red Sandstone by EN-1 Soil Agent to Optimize the Structure of the Road
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采用137Cs技术,研究红砂岩发育的红壤典型小流域的土壤侵蚀作用。
137 Cs technique was used to investigate soil erosion occurred within a small catchment developed from red sandstone .
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根据实验应力分析原理,研究了三种剖面形状的全尺寸PDC刮刀钻头在常压下钻进红砂岩和白砂岩时,切削齿上的工作载荷。
On the basis of the principles of experimental stress analysis , this paper studies the working loads on cutting teeth on full scale PDC drag bits of three profiles separately , while drilling red sandstone and white sandstone under atmospheric pressure .
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用低周疲劳加载方法,在Instron电液伺服材料试验机上对红砂岩进行了单轴动静组合加载试验,研究了组合加载条件下的岩石动态响应和破坏特性。
By using of the Instron electro-hydraulic and servo-controlled material testing machine and adopting low-cycle fatigue loading method , the dynamical response and failure behavior of rock under uniaxial static-and-dynamical combination loading have been tested .
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大沽河下游平原区沉积了丰富的砂层,平面上呈串珠状分布,厚38m,下伏白垩纪红砂岩不透水层。
There are abundant sand layers in the Dagu River plain , which are 3 ~ 8 m thick and like a string of beads in the plane distribution .
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采用自制的一维水平静压加载装置,配合Instron电液伺服材料试验机进行了红砂岩的二维动静组合加载试验。第五章为测试过程;
Furthermore , by way of combining uniaxial horizontal static loading device made by self and Instron electro-hydraulic and servo-controlled material testing machine , biaxial test of red sandstone subjected to static-dynamic coupling loading is performed .
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对红砂岩和页岩进行了开放饱水状态下冻融循环试验,一次冻融循环试验包括在-20℃低温冷柜中冻结12h和在常温20℃纯水中融化12h。
The freezing and thawing tests were conducted at opening saturating conditions on red sandstone and shale , one cycle of freeze-thaw test including 12 hours freezing at - 20 ℃ in freezer chamber and 12 hours thawing at 20 ℃ in distilled water .
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NO-3-N的迁移在整个轮作期是一个连续的过程,红砂岩红壤60 ̄80cm深度的NO-3-N含量在整个轮作期中变化范围为20.4~32.9mg·kg-1;
Nitrate contents in layer of 60 ~ 80 cm changed from 20.4 to 32.9 mg · kg-1 for red soil derived from red sandstone during the whole rotation period , showing a continuous nitrate transfer process .
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为了研究受静载荷的岩石在周期载荷作用下破坏及变形发展规律,在Instron电液伺服材料试验机上进行了红砂岩的单轴动静组合加载试验。
In order to investigate the law of failure and deformation of statically loaded rock under periodic load , by using the Instron electro-hydraulic and servo-controlled material testing machine , uniaxial test of red sandstone subjected to static-dynamic coupling loading is carried out .
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通过对红砂岩细观单轴压缩试验,依据Geo-image程序对红砂岩细观结构图片量化处理信息,着重分析在不同含水率下红砂岩微裂纹损伤演化与宏观力学响应之间的规律。
Though uniaxial compression tests of meso - structure , the relations of macroscopic mechanics responses and micro-crack damage development of red sandstone are importantly analyzed by means of Geo-image programme .
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最后,采用低周疲劳加载方法在Instron电液饲服控制材料试验机上进行了红砂岩中应变率下的动静组合加载破坏试验,对应变能密度准则和突变理论模型进行了验证。
Finally , by using of the Instron electro-hydraulic and servo-controlled material testing machine and adopting low-cycle-index fatigue loading method , the test of red sandstone failure with medium strain rate under dynamic loading is carried out to verify the strain energy density criterion and catastrophe theory model .
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在岩石的三轴受压响应描述问题中,应用理论拟合红砂岩常规三轴受压试验全过程应力-应变关系曲线,其相应的试验是在RMT-150B岩石力学试验系统下完成。
On the triaxial compressive response depiction method of rock , DSC gives qualified fitness of stress-strain softening phase of red sandstone under regular triaxial compressive test . Steady entire phase of the stress-strain curve shows the ability of RMT – 150B rock experiment instrument .
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在围压低于5MPa时,破碎红砂岩的最优无因次喷距为2~2.5;
When the ambient pressure is below 5 MPa , the optimum standoff distance is in the range of 2 ~ 2.5 . With the increase of the ambient pressure , the rock breaking efficiency of the swirling jet decreased exponentially , and the optimum standoff distance was also reduced .
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衡阳地区红砂岩声波参数及其应用
Acoustic Parameters of Red Arenite in Hengyang Area and Its Applications
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湘西高速公路红砂岩工程特性及边坡稳定分析
Engineering Properties and Stability Analysis of Red Sandstone in Xiangxi Expressway
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浙江中部盆地红砂岩洞穴带;
Red sandstone cave in the basin areas of central Zhejiang ;
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高速公路红砂岩路基施工技术与质量控制
Technical quality measurement and control of construction of red-sandstone-road-bed in freeway
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平缓红砂岩滑坡特征及警示分析
Landslide features of gentle inclined red sandstones and their alarming analyses
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红砂岩的一种新的抗风化化学加固方法试验研究
Experimental study on chemical reinforcement of resisting weathering of red sandstone
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锚杆骨架梁支护红砂岩边坡机理分析
Mechanism Analysis for the Anchor Frame Beam Protecting Red Sandstone Slopes
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红砂岩地区桩基静载试验研究
Static Load in g Study on Piles Embedded in Red Sandstone
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格宾材料在红砂岩填料中的拉拔试验研究
Study on Pull-out Test of Gabion Reinforcement Filled with Red Sandstone
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红砂岩路基冲压补强探讨
Study on Striking Compaction to Reinforce Red Sandy Rock Subgrade