By analysing not only the nature of red-clay-filling material in Lei-Yi Expessway in Hunan province, but also results of indoor test about combined soil s losing-water shrink cracks and multiwater softening features, the cracking of the surface of red clay roadbed and crack extension rule are researched.
通过对耒宜高速公路红粘土(填料)路用性能的分析 ,结合土的失水收缩开裂和复水软化特征的室内试验结果 ,对红粘土路基表面开裂现象及裂缝扩展规律进行了研究 ,初步提出了防治开裂的工程措施及可直接用作填料的红粘土的评价标准。
Applied research on utilization of metallic tailings as clay for cement production in dry rotary kiln;
尾矿代粘土在干法回转窑水泥生产中的应用研究
Effect of clay mineral and fluid on flow characteristics of the low-permeability cores;
粘土矿物及流体对低渗透岩心渗流特性的影响
Recent Advance in Research on Preparing Polymer/clay Nano-composites by Intercalation of Polymer From Solution;
溶液插层法制备聚合物/粘土纳米复合材料的研究进展
The effect of ionic strength on the flocculation and removal of Microcystis aeruginosa by clays and chitosan-modified clays were studied.
研究了水体的离子强度对粘土和壳聚糖改性粘土絮凝去除铜绿微囊藻的影响 。
The kinetics of flocculation and removal of Microcystis aeruginosa by chitosan-modified clays was studied.
研究了壳聚糖改性对粘土絮凝去除铜绿微囊藻的影响 。
A multi-mechanism thermo-mechanical model for saturated clays is presented.
提出了一个适合于饱和粘土的多功能热–力学模型,对加荷行为(LY表示加荷屈服),采用Picard(1994)提出的屈服面来描述;对于加热–冷却性状,引入一种新的屈服机理TY(热屈服)、以及与膨胀–收缩相对应的第3种屈服机理(热陷),用以描述粘土中观测到的与温度变化有关的弹塑性特征。
Experimental study on diffusion of contaminant in porous soil barrier;
污染质在多孔粘土屏障内扩散的实验研究
The Influence of Water Content of Soil on the Ingredient of Stabilizer;
粘土含水量对固化剂配比的影响
The adsorption of dimethyl phthalate in the soil is studied,and the influence of some factors, such as pH value and ionic strength on the adsorption is investigated.
对邻苯二甲酸二甲酯在内蒙古粘土中的吸附特征进行了研究,并观察了pH值和离子强度等因素对吸附作用的影响。
Results show that clay soil in Shanghai can be used to supporting course of natural foundation and pile foundation.
根据上海市紫翠高清苑工程的地质条件,分析了该地区粘土的构成、特征与承载力等工程性质,认为上海粘土可以作为天然地基和桩基的持力层;结合工程实际情况,探讨了基础的形式和持力层的选择,并对单桩的竖向承载力和沉降系数进行了估算,为工程的设计与施工奠定了基础。
The unconfined compressive strength,deformability and water stability of clay soil consolidator were investigated.
基于粘土质公路边坡的新型边坡稳定材料,分析了该稳定材料的无侧限抗压强度、变形性和水稳定性,并与水泥或石灰作比较。
The infection mechanics which powdered fly ash affects clayey soil's plastic and liquid limits is studied in detail.
对不同配比、不同混合时间的粉煤灰土的塑液限进行了系统测定,结果表明,随粉煤灰含量的增加,土的塑性指数减小;随时间的延长,土的塑液限减小;详细分析了粉煤灰对粘土的塑液限影响的机理。
The measures to reinforce the earth-rock dams often take clayey soil backfilled and compacted in sleeve well which is dug by hammer grab as seepage prevention body,which is called clay-core seepage prevention body.
土石坝的除险加固方案中常采用冲抓套井回填夯实粘土作为防渗体,即粘土心墙防渗体,该方法已在许多水库和相当长度的堤防工程建设中得到广泛的应用;然而其渗透稳定一直是工程设计和施工中的关键问题之一。
Basing on the actuality of LaoHuChong landfill in ShenYang, taking factors such as security and cost into consideration, this paper used clayey soil as the landfill liner, which was padded with the Ca-benbonite.
本文结合沈阳市老虎冲垃圾卫生填埋场的基底防渗层的现状,考虑安全、经济等因素,提出对天然粘土层添加钙基膨润土进行改性的方案;分析了压实干密度、膨润土掺合比、膨润土粒度等因素对防渗层防渗效果的影响;对防渗层的化学稳定性、抗剪强度、膨胀率、冻胀量等进行检测;最后通过现场实验分析了实际情况下土壤粒度、混合均匀程度、压路机压实遍数等因素对改性防渗层防渗效果的影响。