砂土液化 的英文怎麼說
中文拼音 [shātǔyèhuà]
砂土液化
英文
liquefaction of sand soil-
The displacement of saturated sand induced by liquefaction
飽和砂土液化引起的變形研究The evaluation of sand liquefaction is the most important content of engineering reconnaissance and the aseismatic design. so evaluating the sand liquefaction objectively and exactly is the precondition of taking preventive measures on areas where liquefaction easily occurs. it also relates closely to the safety and economic benefits of the projects
地震砂土液化評判是工程勘察和抗震設計的一項首要內容，故客觀、準確地評價砂土液化，是對有可能發生液化的區域或地段進行有針對性的預防處理的前提，是關繫到工程建築的安全使用和工程建設的經濟效益的重要問題。Based on some macroscopic evidences gained in actual earthquake fields and on a preliminary theoretical analysis, it has been pointed out that the rayleigh waves should be an essential cause of liquefaction for the fields beyond the epicentral region with saturated sand deposits at shallow depths
（ 4 ）首先介紹了提出rayleigh波是液化主因的背景，基於宏觀震害資料的啟示，提出了rayleigh波可能是造成砂土液化的主要動因的新見解。並用單相介質模型的總應力法，分析了rayleigh波可能產生的應力大小。Supposed to be axial symmetry, the problem is put into the cylindrical coordinate, and through the laplace - hankel transformation, the equations are turn into differentia equations of constant coefficient. in the analyzing progress, dynamic transfer matrix is used t
本文利用matlab中fzzzy具箱編程，通過有限的實驗數據和輸入專家知識對該系統進行訓練，可以解訣砂土液化的預測難題，算例的檢測結果表明其效果較好。Therefore, some conclusions and suggestions are presented. ( 3 ) a new approach being able to provide more thorough understanding of the mechanism of soil liquefaction is presented
（ 3 ）基於兩相介質理論，提出了一種新的從機制上可更合理地解釋砂土液化的數理分析方法。Since 1950s, changjiang water resources commission as well as other scientific research units have carried out engineering geological reconnaissance for large - scale cross structures and the whole route, meantime, researched special subjects, such as special soils ( expansive soil, loess ), the canal section in coal mining area, regional structure stability, sandy soil liquefaction etc
自20世紀50年代迄今，長江水利委員會及其它科研設計單位對中線工程全線及大型交叉建築物進行了工程地質勘察，同時對特殊類土（膨脹土、黃土） 、渠線過煤礦區、區域構造穩定性、砂土液化等專題進行了研究。Using it can do many kinds of dynamic / static tests
59809004 ）對飽水砂土液化后的相關問題進行了研究。Reconsolidation volumetric behavior of saturated sand soil after liquefaction
飽和砂土液化后再固結體變特性研究Analysis of liquefaction mechanism and anti - liquefaction measures of saturated sand
飽和砂土液化機理分析及其抗液化措施Study on possibility of sand liquefaction of immersed tube foundation in earthquake
地震作用下沉管地基砂土液化可能性研究The application of vibroflotation gravel in liquessent sand ground in expressway
振沖碎石樁在高速公路中砂土液化地基的應用Numerical simulation of liquefaction of saturated sand under vertical vibration loading
垂向動載下飽和砂土液化發展的數值模擬The dynamic triaxial test discrimination and evaluation for liquefaction of saturated sand
飽和砂土液化的動三軸試驗判斷與評價Mechanism of earthquake - induced saturated sand liquefaction and statistics assessment method
地震時飽和砂土液化機理及統計判別法Application of bp neural network based on matlab to the evaluation of sandy soil seismic liquefaction
網路在砂土液化評價中的應用Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較，最終選擇了技術先進的砂墊層預抬高分級充水預壓法，論文工作主要由以下兩部分組成： （ 1 ）砂墊層預抬高分級充水預壓法的適用性研究，其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析； （ 2 ）施工監測與地基處理效果檢驗，其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。Liquefaction of saturated sands is a greatly complicated phenomenon. its generation, development and dissipation are restricted by physical property, stresscondition and boundary condition of soils. in addition, there are a lot of influencing factors such as density, structure property ， clay content, degree of saturation, gradation, hydraulic conductivity, initial stress condition and dynamic load character and so on
砂土液化是一種相當復雜的現象，它的產生、發展和消散主要由土的物理性質、受力狀態和邊界條件所制約，存在許多影響因素，例如土的密度、土的結構性、粘粒含量、飽和度、級配、透水性能以及初始應力狀態和動荷載特徵等。The forcast and assessment on earthquake stonebrash liquefaction of the yellow river delta had been analysed and worked over synthetically and closely for the first time in the history, eventually, it was proved that the earthquake stonebrash liquefaction was the predominant disaster in the yellow river delta and several regions would bring about earthquake stonebrash liquefaction disaster when the intensity of an earthquake was 6 degree
開展了黃河三角洲第四系沉積特徵方面的研究4首次全面的對黃河三角洲地區地震砂土液化進行區劃和預測評價，提出地震砂土液化是黃河三角洲主要的地震地質災害，當地震烈度為時，部分地區將產生液化的新觀點。A constitutive model for evaluating small to large cyclic strains of saturated sand during liquefaction process
評價飽和砂土液化過程中小應變到大應變的本構模型When it comes to the research about the post - liquefaction behavior of saturated sand, the situation is not so famous. the current research is supported by the national science foundation project of large ground displacement due to seismic liquefaction ( no. 59809004 ), and in this thesis the basic aspects about the post - liquefaction behavior of saturated sand has been thoroughly investigated. the main contents of the current research are as follows : in order to investigate the behavior of saturated sand, a multi - functional tri - axial test equipment has been designed
飽水砂土地震液化引起的地面大變形會對液化區的各種結構產生災難性的破壞，在過去的幾次大地震中均發現有因地面大變形而導致的破壞現象，但目前對該問題的研究較為欠缺，有關飽水砂土液化問題現有的研究基本都局限在初始液化之前，在飽水砂土地震液化的影響因素、產生的機理及條件、液化勢的判別等方面積累了大量的研究成果，而液化后問題的研究才處于起步階段。分享友人