soil shear 中文意思是什麼

soil shear 解釋
土壤剪切力
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • shear : vt vi (sheared 〈古語〉 shore; shorn sheared)1 剪(羊毛等);修剪(樹木);剪(呢絨的)長毛。2 ...
  1. Standard test method for laboratory miniature vane shear test for saturatedfine - grained clayey soil

    飽和細粒粘性土壤的實驗室小型十字板剪切試驗的標準試驗方法
  2. It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents

    摘要通過對裸地、扭黃茅草地、車桑子灌木林地和按樹林地四種不同植被類型、不同深度土壤在天然含水量情況下的直剪試驗,研究了植被類型對非飽和土抗剪強度的影響。
  3. Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given

    本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析,觀察土樣受擾動后一些物理力學指標的變化情況,發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低;並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。
  4. Testing of direct shear strength for rock and soil

    巖土室內直接剪切強度的測定
  5. Now some universities and institutes of china have made some samples of the lunar rovers and theirs wheels, but until now the wheel ’ s mechanical performance is seldom researched and tested. this paper will analyze the mechanical performance of the wheel and design a test - bed to test the performance of the lunar rover ’ s wheel. firstly, the mechanical characters of the soil are separated to press - sinkage character and shear character based on bekker ’ s theory, and common press - sinkage and shear models are introduced and the theory of lankine passive earth pressure is also introduced

    根據bekker半經驗法的基本思想,將土壤的力學特性分解為水平方向的剪切特性和豎直方向的承壓特性,闡述了地面力學中常見的土壤的承壓、剪切等力學模型,並引入了朗肯被動土壓力理論,為建立車輪在松軟土壤中前進和轉向的力學模型奠定了基礎,同時進行了實驗土壤的剪切實驗,測量了土壤的內聚力和內摩擦角等參數。
  6. Vetiver grass is found to increase adhesion and internal friction angle, enhance shear strength and improve soil stability

    通過試驗分析發現,香根草護坡可以提高土的黏聚力和內摩擦角,從而提高土的抗剪強度,進而增加土壤穩定性。
  7. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  8. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  9. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  10. The precious method to simulate earthquake accelerations is not perfect because the points on the interface still move according to the simulated acceleration when the points " motion ends, which is obviously a paradox. if the points " velocity is not zeroized, soil ' s damage value based on shear stress ' s peaks or extrema is overestimated in multi - point input analysis. the new method ' s rationality is analyzed

    以往人工合成的地震波在地震結束時即地震加速度恆為零時速度不為零,這與合成地震動是「模擬輸入點從靜止到運動再到靜止的運動過程」這一要求不一致,同時導致時域內多點輸入分析時差動力過大以至算出的損傷值過大,於是本文提出了簡易的地震動速度歸零化方法並分析了其合理性。
  11. ( 5 ) based on an empirical formula, in terms of soil shear velocity, to evaluate soil liquefaction, which is simple to handle and prospective in further application, the author presents, in the probabilistic and fuzzy way, the formulae for the evaluation of liquefaction probability and fuzzy probability at given depths and for a fuzzy evaluation of liquefaction hazard of the total soil layers

    討論了當剪切波速具有隨機性時液化的發生概率,進而給出了確定場地液化和危害程度的發生概率,在此基礎上,結合液化和液化危害程度(等級)的模糊性,利用模糊事件的概率分析方法,提出了可同時考慮隨機性和模糊性場地液化和液化危害性的發生概率的計算方法。
  12. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  13. The result shows that the plasticity index and the compression coefficient of the northern inshore saline soil reduce with the increase of the salt content, and the shear strength attains a limit value with the increase of the salt content

    結果表明,北方濱海地區鹽漬土的塑性指標、壓縮系數隨含鹽量的增加而降低,抗剪強度隨含鹽量增加出現一含鹽量界限值。
  14. Experiment on shear properties and compressive properties of earth material of raw - soil structure

    生土結構的土料受壓及受剪性能試驗研究
  15. Standard test method for field vane shear test in cohesive soil

    粘性土壤的現場十字板剪力的標準試驗方法
  16. These virtual simple shear mechanisms play a key role in idealizing the soil behavior under the initially anisotropic consolidation condition. in order to overcome the numerica

    這表明在對土工構築物和土工基礎進行二維分析時,運用多機構邊界麵塑性模型是合理的。
  17. When earth pressures are calculated by the shear strength parameters of cu, the way water - soil calculating separately is best, which should involve the influences of excess pore water pressure through the total stress unloading strength parameters of cu

    當採用固結不排水抗剪強度指標計算土壓力時,最好採用水土分算的計算方法,計算時可以通過三軸固結不排水總應力強度指標將超靜孔隙水壓力的影響考慮在其中,但此時最好採用卸載強度指標。
  18. The research involves two problems how to estimate the water and earth pressures on the supporting structure around a foundation pit and choose the strength parameters. the paper analyses the shear strength parameters for the unconsolidated - undrained triaxial test and the consolidated - undrained triaxial test in layered soil

    課題從室內三軸試驗著手,通過大量的試驗對不同深度下各層土體的不固結不排水抗剪強度指標和固結不排水抗剪強度指標進行了比較和分析。
  19. To discuss the rheological effects of soft soil, shear strength is divided for rheological analysis. viscosity coefficient of remolding soil is used to modify partial parameters of routine soil mechanic tests. so the shear strength caused by rheological effects can be considered

    在前人研究的基礎上,本文採用對土體抗剪強度分類的方法研究了軟土的流變性,提出了重塑土粘滯系數的計算方法,重點分析了常規試驗中部分參數由於流變而引起的試驗誤差。
  20. Because of the different material property of the piles and soil, shear stress is produced on the contact surface between piles and soil, which may cause slide and crazing of the soil mass under workload. in order to reflect the mechanical character precisely on the contact surface, a new kind of element, plane - plane contact element is introduced. the principle of the process is presented in detail and the finite element model is established with the consideration of the soil ' s elastoplastic constitutive relation

    由於樁體結構的材料性能與周圍土層性質相差較大,在荷載作用下有可能在其接觸面上產生較大的剪應力從而導致錯動或開裂,為了充分反映樁土接觸面上的受力及變形特徵,考慮樁土之間的共同作用,在樁土接觸面處設置面面接觸單元,將採用接觸單元和不採用接觸單元兩種演算法的計算結果與模型試驗結果進行比較,驗證了本文接觸界面處理的合理性。
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