1.Through the velocities of shear wave before and after liquefaction are contrasted, it is shown that the ratio of shear wave velocity before and after liquefaction increases with liquefaction developing, and then trends toward constance.
通过对液化前后剪切波速的对比观测 ,对于 4种情况下的液化观测表明 ,随着液化程度的增加 ,剪切波速液化 (液化前 /液化后 )的比值也在增加 ,并增加到一定程度时变化值趋于稳定。
2.Comparison between LP oxygen liquefaction process and MP oxygen liquefaction process
低压氧液化流程与中压氧液化流程的比较
3.With it field experiment of reinforcement of the tailings dam in a certain mine was conducted. The experimental results indicate that the effect of reinforcement is notable,the density of the tailings dame is improved and the anti-liquefaction ability is enhanced,which can meet the requirement of anti-liquefaction.
采用振冲置换法对某矿山尾矿库坝进行了现场加固试验,检测测试结果表明加固效果显著,尾矿库坝坡加固后坝体密实度和抗液化能力明显提高,可满足抗液化要求。
4.In the comprehensive fuzzy evaluation model of soil liquefaction, the following factors, such as earthquake intensity, SPT counts, groundwater level and mean diameter of sand soil particle which affect the liquefaction of sand soil were considered, and the sketch map of trapezoid subordinate function was adopted and the subordinate function expression of each factor was given.
在提出的砂土液化模糊综合评判模型中，通过综合地震烈度、标贯击数、地下水位和平均粒径等影响砂土地震液化的因素，采用梯形隶属函数并分别给出各因素隶属函数的表达式。
5.Abstract: In this paper,the efficient stress method is used as main means,while the Railway Engineering Anti-Earthquake Design Specification and the dynamic triaxial test are used as additional means.The authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand,whose top plate is buried under two kinds of depth,and conclude that the liquefaction area is different with different buried depth.Finally,the rational buried depth is proposed.
文摘:以有效应力原理的有限元计算分析为主、铁路工程抗震设计规范及室内动三轴实验为辅，对修建在粉土或粉细砂层中的盾构隧道进行了两种不同埋深情况下的液化分析，得出了埋深不同液化区出现区域不同的结论，并提出隧道抗液化的合理埋深。
6.According to the fuzzy anti uncertainty characteristics of soil liquefaction, a comprehensive fuzzy evaluation model of soil liquefaction is presented.
摘要根据砂土液化问题具有的模糊性和不确定性，建立了一种判别砂土液化发生可能性的模糊综合评判模型。
7.The first liquid oxygen and liquid nitrogen equipments in china are born in Hangyang,the oxygen liquefaction and nitrogen liquefaction equipmens are also.
国内首台液氧液氮设备和氧、氮液化设备均诞生在杭氧，伴随着新技术和新工艺的发展，我公司也不断地推陈出新，为用户度身订造，研制新品奉献市场。
8.The transporting unit is one of the indispensable facilities in the biomass pyrolytic liquefaction system and the continuous and steady transporting characteristic is the key to ensure the process of biomass pyrolytic liquefaction.
摘要输料装置是生物质热解液化工艺系统中不可或缺的设备之一；而连续稳定的输料特性是保证生物质热解液化工艺过程的关键技术。
9.Abstract: according to the practice,the characteristics of technics of Follow-Pipe Driving pile are expatiated.The results of liquefaction-treatment are analyzed and evaluated usiing several methods.
文摘:通过具体工程实践，阐述了跟管夯扩桩法进行地基加固处理砂土液化的工艺特点，使用多种试验方法分析和评价了处理液化地基土层的效果。
10.As the hazard of sand seismic liquefaction is random, a probability method for assessing the hazard
由于砂土地震液化危害具有随机性和不确定性,本文提出了砂土地震液化危害的概率分析方法,即用概率表示不液化、轻微液化、中等液化和严重液化,并给出了采用Monte Carlo法(蒙托卡罗法)计算液化危害概率的表达式。
