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- This uncertainty results in overlaps of different soil types in currently used CPTU soil classification systems. 根据已有的CPTU土分类系统划分土类时,这种不确定性经常会导致不同土类的重叠。
- New soil classification chart and undrained shear strength (cu) based on CPTU are developed in this paper. 提出了新的土分类图及不排水抗剪强度的估算公式;
- The soil classification is very important in geotechnical engineeringa;nd the flat dilatometer test(DMT) is a very useful in-situ test. 土类的划分在岩土工程中是非常重要的,而扁铲侧胀试验则是一种非常有效的原位测试方法。
- The results showed the following: the siphon drainage effect of hank slope is not markedly obvious with more penetrable rock soil, hut is obvious for soil with less penetrability. 结果表明:对于渗透性较大的岩土体,岸坡虹吸排水效果不明显,而对于渗透性较小的岩土体,岸坡虹吸排水效果明显。
- The successful design of Soil Classification Expert System(SCES) depends on the soil taxonomy that classifies soil types using quantitative data. 土壤系统分类以定量化指标划分土壤类型,为土壤自动分类系统的建立提供了可能。
- The structures of soil classification decision trees and reasoning machine were also discussed to construct the framework of SCES. 并从土壤系统分类专家的知识表示和推理机的构建两个方面,提出了土壤分类专家系统(SCES)的体系结构。
- It has important meaning for the saturate-unsaturated two phase flow study in raining in rock soil engineering and hydraulic engineering. 特别是在岩土工程和水利工程中研究降雨入渗下饱和非饱和水气两相渗流具有重要意义。
- To reinforce slope of weak rock has been tough problem during rock soil engineering, especially for sl-ope consisting of broken weak rock. 软弱岩石的边坡支护一直是岩土工程中较为棘手的问题,尤其是受地质构造破坏形成的破裂破碎软弱岩体的边坡支护问题更为复杂。
- This practice has particular value in grouping similar soil samples so that only a minimum number of laboratory tests need be run for positive soil classification. 这个标准在分类相似的土样时有详细的值,所以只需要进行最小数目的试验室试验来确定土分类即可。
- The Soil Taxonomy offers a theoretic basis for establishment of a soil classification expert system (SCES), which divides soil types according to quantitative soil indexes. 摘要土壤系统分类以定量化指标划分土壤类型,为土壤自动分类系统的建立提供了依据;
- Description: 12.5% Alc.Grown on primary rock soil, therefore fine mineral structure, discreet flavor of peach, pleasant acidity, goes well with fish and sea fruit. 简介:12.;5度酒精含量,雷司令裴芬伯格干白葡萄酒精选生长于原始岩性土壤,矿物结构优良的优质葡萄酿制而成,具有细腻桃香风味,口感微酸,适合与鱼类海鲜搭配饮用。
- The geotextile material is one kind of new rock soil engineering material, the application geotextile material reinforcement sand blanket processes the soft base, . 土工合成材料是一种新型的岩土工程材料,应用土工合成材料加筋砂垫层来处理软基,不乏为一种简单快速和经济的处理方法。
- That technique mainly useds for the permeability that lets up the rock soil and increases its strength or lowers the compressibility of the foundation soil. 该技术主要用于减小岩土的渗透性、增加其强度或降低地基土的压缩性。
- Onthe basis of above analysis, the formation, development and evolution direction of the soil on mobile sand dunes and its position and naming in soil classification are approached. 在此基础上,对流动砂丘上土壤的形成发育演变方向以及在土壤分类中的地位和命名等问题进行了探讨。
- In order to make CST more practical and easier to popularize, it is essential and urgent to keep on studying and developing CST at lower unit level to establish basic soil classification units of CST. 发生分类到系统分类的参比关系复杂,参比难度大,原因在于它们的分类体系和划分标准是完全不同的。
- Since 1980s, the Soil Taxonomy based on by diagnostic horizons and characteristics of soils was introduced into Chinese soil classification. 这一分类的特点是根据土壤诊断层和诊断特性划分土壤类型。
- The mine subsidence disaster discipline is the frontier crossing branch of science among geology, ecology, mining, rock soil mechanics, information science, management science and sociology. 矿山沉陷灾害科学是地质学、生态学、采矿学、岩土力学、信息科学、管理科学和社会学之间的交叉边缘学科。
- The slope failure is a complicated process with the rock soil body's slide, translation and rotation, which has uncontinuity in macroscopic view and randomness of a single block movement. 摘要边坡的失稳破坏运动是一个存在岩土体的滑动、平移、转动的复杂过程,具有宏观上的不连续性和单个块体运动的随机性。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Higher categories of soil classification 土壤高级分类