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water stability
    The water stability macroaggregates contents of long term tillage and 30 yrs lucerne fields were only 7% and 22% separately.
    在0-10cm土层,长期耕种和种植苜蓿土壤水稳性大团聚体(>0.25mm)含量仅分别为7%和22%。
    Both in 0-5 cm and 5-10 cm layer, the water stability macroaggregates content of long-term tillage field was significantly low than that of 30 yrs lucerne field.
    无论在0-5cm土层还是在5-10cm土层,长期耕种土壤的水稳性大团聚体含量均显著低于种植苜蓿土壤的。
    The energy discharged in the breakdown of soil aggregate has a close relation with soil structure and water stability ofsoil aggregate.
    能量法:土壤团聚体破坏所需雨滴打击能量与土壤质地和土壤团聚体水稳性有密切关系,土壤团聚体的水稳性越好,破坏时所需能量越多。
    3.The penetrate coefficient of the stabilized soil reached 10-6 cm/s when addingstabilizer PS1 or MS, and it also had good water stability and dry-wet resistance, which couldadapt to the ditch needs.
    3.掺入固化剂 PS1 或固化剂 MS,固化土的渗透系数都达到了 10-6 cm/s 数量级,且固化土的水稳性和抗干湿循环交替能力较好,能满足一般渠道工程的要求。
    Thus, the different measures which can improve the water stability of OGDM-19 permeable base materials are compared.
    模拟在动水压力作用下,OGDM-19排水层抗冲刷的能力。 最后,对OGDM-19混合料不同水稳性改善措施进行对比。
    The paper discussed the change law of water stability for granite bituminous mixture,high temperature anti-rut performance and low temperature crack resistance for reference.
    采用3种方案系统地研究了花岗岩沥青混合料的水稳性变化规律,以及高温抗车辙能力、低温抗裂能力,为酸性石料的沥青混合料设计施工提供参考依据和合理化建议。
    Influence of Baghouse Dust on Water Stability of Asphalt Mixtures
    集尘灰对沥青混合料水稳性的影响
    Effect of organic materials and inorganic N on water stability of aggregates in cultivated black soil
    有机物料及无机氮对耕地黑土团聚体水稳性的影响
    Research on Solving the Water Stability of Granite Asphalt Mixture
    花岗岩沥青混合料水稳性解决措施研究
    Theory of Grey Relation Degree for Evaluating the Correlation of Cohesive Tests to Water Stability of Bitumen Mixture
    沥青混合料水稳性与粘附性实验方法相关性的灰关联分析
    Research of Bituminous Concrete Pavement Water Stability
    沥青混合料水稳性研究
    The results of the strength and endurance experiments show that the strength ofthe untreated soil is very low and its water stability is so bad that it will soften fastwhen immersing into water.
    强度和耐久性试验结果表明,素土的强度不高,水稳性极差,一经浸水就立即软化;
    Contrasting with the cement-improvedsoil, the unconfined compression and flexure strength of the stabilizer-improved soilincrease greatly, the property of microswelling counteracts the shrinkage causing bycement, the water stability and the ability of wetting-and-drying resisting become alittle better, and the ability of freezing-and-thawing resisting improves obviously.
    固化剂改良土与水泥改良土相比,无侧限抗压强度和抗折强度均有大幅度提高,特别是早期强度增长十分迅速,体积微膨胀大大克服了水泥引起的干缩性,水稳性和耐干湿循环能力有所改善,抗冻性具有显著提高。
    Following conclusions can be reached:(1) There are several factors affecting water stability of soil aggregate (WSA) such as soil OM (organic matter), soil nitrogen and phosphorus content, vegetation, and no-tillage years, et al.
    (1)影响土壤团聚体水稳性的因素主要有土壤有机质、土壤全磷、土壤全氮和土壤植被以及退耕年限等。
    The better the water stability is, the more the energy need.
    土壤中>5mm、5-2mm能量法:土壤团聚体破坏所需雨滴打击能量与土壤质地和土壤团聚体水稳性有密
    The author also points out the factors that affect the adhesion of asphalt to aggregate, the asphalt membrane's ability of resisting flaking off from aggregate, asphalt mixture's water stability and asphalt pavement's water damage.
    指出了影响沥青与集料的粘附性、沥青—集料系统抗水剥离能力、沥青混合料水稳性及沥青路面水破坏的因素。
    Tiny structure for water stability of orchard was worst, but bush forest land and artificial meadowwere best.
    果园表层土壤的微结构水稳性最差,灌木林地和人工草地最好。
    In recent years, in order to prevent various kinds of water damage on the highways, the research on water stability of asphalt mixture gets more and more attentions from highway engineers.
    为了防止和减少高速公路上水损害现象的发生,近年来沥青混合料的水稳性研究越来越受到公路工作者的重视。
    This subject mainly probes into many kinds of factors influencing pitch mixture water stability from the own performance of pitch, micro mechanism analysis, pitch mixture characteristic, road water stability mechanism and several respects.
    本课题主要从沥青本身性能、微观机理分析、沥青混合料特性、道路水稳性机理分析几方面探讨了影响沥青混合料水稳性的多种因素。
    The main research approach is to compare several kinds of existing drainage pitch mixture gradation, through adjusting fine aggregate and coarse aggregate proportion, especially 2.36mm and 1.18mm, from the results of tests, point out optimum gradation of good water stability, and find the interrelation of bituminous mixture perviousness and void ratio.
    主要研究方法是比较几种现有的排水沥青混合料的级配,通过调整级配的粗料和细料,特别是4.75mm和1.18mm的集料比例,从所确定级配的试验中,发现具有良好水稳性的最佳级配,并发现沥青混合料的透水性和空隙率的相互关系。
 

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