红层
- red bed
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红层泥岩边坡生态防护机制研究
Study on ecological protection mechanism of red bed mudstone slope
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鲁西南地区的红层岩溶及其水文地质意义
Red Bed Karst and Its Hydrogeological Significance in Southwestern Shandong
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反射系数(K)法在红层地下水探测中的应用
The application of reflection coefficient ( k ) method in red beds to survey phreatic water
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反射系数(K)法在确定红层地质构造中的应用
The applicaton of reflection coefficient ( k ) method in defining geological structures in the red beds
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红层由mm级红色泥岩夹灰色、杂色、偶尔黑色泥岩和钙质泥岩组成。
The red beds sequence consists of mm-thick reddish clays alternating with gray , variegated , locally black clays and calcareous clays .
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C带位于彭灌断裂与广元&大邑断裂之间,属变形构造地层带,主要由侏罗系至第三系红层构成。
Zone C , lying between the Pengxian Guanxian fault ( F 3 ) and Guangyuan Dayi fault ( F 4 ), is a tectostratigraphic zone of deformation and consists mainly of Jurassic to Neogene strata .
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通过击实试验、承载比试验,得出了红层泥岩试样的最优含水量及最大干密度的关系,以及CBR值。
The relationship of the red mudstone among the optimum water content and maximum dry density and CBR value can be obtain .
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利用数值计算分析红层软岩坡体稳定性时,建议采用Hoek-Brown准则确定关键岩体力学参数。
In the numerical analysis of slope stability , Hoek-Brown method is suggested to confirm rock mass mechanical parameters .
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利用极限平衡法分析红层软岩坡体稳定性时,提出了采用极限平衡软件自动搜索滑移面的位置和利用Barton公式确定节理面的抗剪强度。
During the process of limit equilibrium analysis , we use the software to search the position of slide surfaces . The Barton formula is introduced to confirm the shear strengths of interfaces .
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结果表明:红层泥岩边坡的快速风化集中在表层10cm深度内;
The research result shows that the fast weathering of the red-bed mudstone slope occurs within 10 cm depth below the surface , and the variation of air temperature and the number of moderate rainfall have important effects on its fast weathering .
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钙质超微化石表明红层的时间从Turonian早期(UC7带)到Coniacian中期&晚期界线(UC10/?UC11带)。
Nannofossil assemblages show that the age of the red beds is the uppermost part of Lower Turonian ( Zone UC 7 ) to Middle-Upper Coniacian boundary ( Zone UC10 / ? UC11 ) .
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中国红层的分布及地质环境特征
The distributes and geologic environment characteristics of red beds in China
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分级加载条件下红层软岩蠕变特性试验研究
Study on creep properties of red-bed soft rock under step load
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四川盆地红层古风化壳的地球化学特征
Geochemical characteristics of the ancient weathered crust in Sichuan Red Basin
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红层软岩崩解性的灰色关联分析
Grey Correlation Analysis of Slake Durability of Red Bed Weak Rock
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红层与砂岩型铀成矿关系浅析
Brief analysis on relationship between red beds and sandstone-type uranium ore-formation
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宝鸡市黄土&红层滑坡机理及稳定性研究
Research on the Mechanism and Stability of Loess-redbed Landslide in BaoJI
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在红层上兴建水电工程的环境工程地质问题
Environmental geological problems of building hydroelectric projects on red rock beds
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红层软岩土石混合填料的抗剪强度特性研究
Study on Shear Strength Characteristics of Red Layered Weak Soil Filling
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湘浏盆地红层软岩的几个岩土工程问题
Geotechnical Problems for Soft Rock of Red Layer in Xiang-Liou Basin
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湖南红层地下水类型及其特征
Types and Characteristics of Underground Water in Red Beds in Hunan
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红层软岩地区公路建设中的主要岩土工程问题
The main geotechnical engineering problems of highway construction in red beds
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云南红层地下水贮存特征与开发利用途径
Occurrence Characters and Development Way of Groundwater in Yunnan Red Stratum
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滇中红层地区路基病害整治及对策
Measures against the Subgrade Diseases in the Red Stratum of Mid-Yunnan Area
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近水平红层开挖边坡变形破坏特征
Distortion and failure character of excavation slope in approximate level red beds
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红层软岩渗透特性的实验研究
Experiment study of the permeability characteristics of the red layer soft rocks
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彩色底片感红层卤化银乳剂的研制
Preparation of a Core-shell Silver Halides Emulsion For Color Negative Red-sensitive Layer
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红层软岩土石混合料的长期蠕变性能模拟试验研究
Long-term creep behaviour simulating test and research for red beds soil-rock fillings
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四川红层分布及工程环境特征研究
A Study on Distribution of Sichuan Red Beds and Engineering Environment Characteristics
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红层边坡风化过程的化学分析
A Chemical Analysis on slope Weathering Process in Red Bed