盐土改良,meadow saline soil
1)meadow saline soil盐土改良
2)improved saline soil改良盐渍土
1.The influence of mixing material ratio,curing period,soaked saturation,cycle of freezing and thawing and compaction coefficient on unconfined compressive strength of theimproved saline soil are systematically studied.针对南疆铁路路基盐渍土病害特点,从工程应用角度出发,利用氯化钙、水泥、消石灰和粉煤灰对盐渍土进行改良,系统研究了不同改良方案、龄期、浸水饱和、冻融及冻融循环次数、压实系数等因素对改良盐渍土无侧限抗压强度的影响,比较了不同改良盐渍土的强度破坏特征。
2.Saline soil was improved by calcium chloride,cement,hydrated lime and fly ash,and six schemes ofimproved saline soil were determined,according to the project of railway roadbed disease managing at south of Xinjiang.结合南疆铁路路基病害整治工程,从就地取材、经济可行的原则出发,利用氯化钙、消石灰、水泥和粉煤灰等掺合料,确定6种改良方案,进行改良盐渍土的盐胀冻胀室内试验研究,并与重塑土作比较,为最优改良方案的确定提供依据。
英文短句/例句
1.Experimental Research on Frost Heave and Salt Expansion of the Improved Saline Soil of Railway Roadbed Filling at South of Xinjiang南疆铁路路基填料改良盐渍土的盐胀冻胀试验研究
2.Effect of Soil Ameliorants on Salinized Soil;土壤改良物质对盐渍化土壤改良的作用
3.Effect of salinity soil improvement on crop production盐渍化土壤改良措施的作物生产效应
4.Study and Reformation on the Characteristics of Salt Content of Salinized Soil in Yutian Oasis于田绿洲盐渍土盐分特征分析及其改良
5.Application of underground pipeline technique in improving salt lick in the Huang river basin暗排技术在湟水流域盐渍土改良中的应用
6.Amelioration of Heavy Metal Contaminated Coastal Saline Soils by Leaching;重金属污染滨海盐渍土壤淋洗改良研究
7.The Improvement Efficiency of Alfalfa to Saline Soil in Hexi Corrider;苜蓿对河西走廊盐渍化土壤的改良效果
8.A Study on Permeability of Soda-saline Soil by Crystalline Aluminium Chloride结晶AlCl_3改良苏打型盐渍土的渗透性研究
9.Experimental Research on the Engineering Property of Chlorine Saline Soil Improved by Fly Ash粉煤灰改良氯盐渍土工程特性的试验研究
10.Soiled Modification and Application of Tamarix Chinensis on the Saline Soil柽柳对滨海盐渍土的改良作用及其应用
11.Optimal Application Rate of Desulfurized Gypsum in Ameliorating Soils Moderate in Sodic Salinity脱硫石膏改良中度苏打盐渍土施用量的研究
12.Study of feasibility of calium carbide dust improved inshore area saline soil for highway subgrade电石灰改良滨海地区盐渍土路基可行性研究
13.Salt Tolerance Capacity of Halophytes and Their Effects on Coastal Saline Soil Improvement;盐生植物的耐盐能力及其对滨海盐渍土的改良效果研究
14.Ameliorative Effects of Saline-alkali Soil Amendments on Coastal Saline Soil and Application Techniques;土壤盐碱改良剂对滨海盐渍土的治理效果及配套技术研究
15.Effects of inorganic and organic amendments on desalting and preventing alkalization in coastal salinized soils有机-无机土壤改良剂对滨海盐渍土降盐防碱的效果
16.The Selection and Development of High-yield Strain of Suaeda Salsa and Its Effect on Improvement of Saline Soils;盐地碱蓬高产品系人工选育、开发利用及对盐渍土改良效果研究
17.Effects of Combined Applications of Organic Matter and Gypsum Soil Amendments on Salinized Soils盐渍化土壤施用有机物-脱硫石膏改良剂效果的研究
18.Effect of Alkaline Freshwater Irrigation and Amendment Application on Heavily Salinized Soil重度盐渍化土壤灌溉碱性淡水与施用改良剂效果研究
相关短句/例句
improved saline soil改良盐渍土
1.The influence of mixing material ratio,curing period,soaked saturation,cycle of freezing and thawing and compaction coefficient on unconfined compressive strength of theimproved saline soil are systematically studied.针对南疆铁路路基盐渍土病害特点,从工程应用角度出发,利用氯化钙、水泥、消石灰和粉煤灰对盐渍土进行改良,系统研究了不同改良方案、龄期、浸水饱和、冻融及冻融循环次数、压实系数等因素对改良盐渍土无侧限抗压强度的影响,比较了不同改良盐渍土的强度破坏特征。
2.Saline soil was improved by calcium chloride,cement,hydrated lime and fly ash,and six schemes ofimproved saline soil were determined,according to the project of railway roadbed disease managing at south of Xinjiang.结合南疆铁路路基病害整治工程,从就地取材、经济可行的原则出发,利用氯化钙、消石灰、水泥和粉煤灰等掺合料,确定6种改良方案,进行改良盐渍土的盐胀冻胀室内试验研究,并与重塑土作比较,为最优改良方案的确定提供依据。
3)improving[英][im"pru:v][美][?m"pruv]盐渍土改良
1.Application of underground pipeline technique inimproving salt lick in the Huang river basin;暗排技术在湟水流域盐渍土改良中的应用
4)saline-alkali Soil improvement盐碱土改良
5)saline soil conditioner盐碱土改良剂
1.The results showed that thesaline soil conditioner could decrease apparently pH value of saline soil,and pH value went down by about 0.通过大田试验,研究了以生物发酵残渣为主要原料制备的盐碱土改良剂的改土培肥效果。
6)Reclamation of coastal saline soil改良滨海盐土
延伸阅读
盐渍土地基勘察盐渍土地基勘察salty soil foundation investigationyanzitud一l一kaneha盐溃土地基勘察(salty 5011 foundat沁n in--vestigation)为盐渍土地基上建筑的设计和施工所进行的工程地质勘察。盐溃土是指土中易溶盐含量高于0.5%，具有吸湿、松胀等特性的土。盐渍土按分布区域分为滨海盐渍土、内陆盐溃土和冲积平原盐溃土;按含盐性质分为氯盐类、硫酸盐类和碳酸盐类盐渍土;按含盐量分为弱盐渍土、中等盐溃土和强盐渍土。土中所含易溶盐的性质和含量对盐渍土的工程性能影响较大。氯盐类具有较强的吸湿性，使土软化。硫酸盐类具有吸水膨胀失水收缩的特性，使土变松。碳酸盐类盐渍土主要为含Na厂03、NaHC03的土，其溶液具有碱性反应，阳离子吸附性强，粘土颗粒结合水膜增厚，不仅颗粒间的粘聚力减小，而且引起土体膨胀。勘察工作内容包括:查明盐渍土的分布范围、厚度、形成条件、含盐类型、含盐程度、湿陷性和膨胀性、溶蚀洞穴及其分布;确定场地有害毛细水上升高度;判定土、水对建筑材料的腐蚀性等。勘探点的布置应满足查明盐渍土分布的要求。土试样数量应按不同勘察阶段和不同深度区别对待，即详细勘察比初步勘察、浅部比深部取土间隔要缩小一些。地基承载力的确定应以静力载荷试验为主，辅以其他土的原位试验。土的试验室试验除作一般试验项目和易溶盐分析外，还要进行一定数量的化学分析和有机质含量测定，必要时对土的结构进行电子显微镜鉴定。根据勘察结果，对盐渍土地基进行评价。 (傅世法)
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