earth-pressure theory 中文意思是什麼

earth-pressure theory 解釋
土壓力理論
  • earth : n 1 〈常E 〉 地球。2 大地,陸地,地面,地上。3 土壤,土。4 【化學】土類;泥。5 世界人類;人的軀體...
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. Calculation of active earth pressure on rankine ' s theory

    理論的主動土壓力計算
  2. Rankine ' s earth pressure theory

    朗金土壓力理論
  3. This general form leads to the unification of coulomb ' s earth pressure theory and rankine ' s earth pressure theory, and makes the classical earth pressure theory to consummate, and enables the computation for retaining wall ' s engineering design to be more convenient

    一般形式的提出,使朗肯土壓力理論和庫倫土壓力走向統一,使經典土壓力理論得以完善,使擋土墻工程設計時的計算更加便捷。
  4. 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。
  5. Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil

    文摘:在滿足一般力學原理和臨界狀態土力學理論的基礎上,本文將亞塑性理論與臨界狀態土力學相結合,推出了一個計算無粘性土靜止土壓力系數的理論公式.該公式形式簡單,僅與土的有效內摩擦角有關,其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明,該公式可用於確定無粘性土的靜止土壓力系數
  6. Calculation of active earth pressure in unsaturated expansive soil based on columb earth pressure theory

    基於庫倉理論的非飽和膨脹土主動土壓力計算
  7. Abstract : in this paper , the problems in collecting data of earth pressure are discussed on the basis of some real projects according to the author , the present way , in which earth pressure data are calculated completely from classics theory , is not practical a nonlinear method of row pile design , in which the cooperative action of ring beam are taken into account and the lateral pressure is calculated on the basis of the pressure of displacement earth are proposed

    文摘:本文從實例著手,分析了在土壓力取值上存在的問題,目前工程中完全按經典理論進行套算是不確切的;提出了排樁設計中應定量考慮圈樑的協同作用,側壓力按位移土壓力進行計算的非線形方法。
  8. Study on arch action and earth pressure theory for culverts under high embankment

    山區公路高填方涵洞的成拱效應及土壓力計算理論研究
  9. Secondly, the paper analyzed the behavior of isotropic and orthogonal anisotropic materials " cws on the basis of above theory and software. regularities of cws " deformation inner force and shared load and earth pressure in excavating stage and driving stage were gained. regularities influenced by material features top beam excavating depth sidewall depth properties of soil layers rear backing and location of load were also obtained, especially rules of display degree exerted by circular and vertical loads were also obtained

    通過分析,得到了形成階段及頂進階段圓形工作井的變位、結構內力、分載及土壓的分佈規律及材料性質、頂冠梁及圍檁、開挖深度、井壁插深、土層性質、后靠背、頂載作用位置等因素對結構受力性狀的影響規律,特別是得到了工作井在受力時結構環向與豎向承載作用發揮程度的規律。
  10. The main contents are as follows : firstly, the distinguishing feature of earth pressure in different lying way and the main calculation methods of the vertical earth pressure are analyzed and compared, the defect and applying limitation of earth calculation formula are pointed out. based on the elastic theory, formula to calculate vertical earth pressure on general trenching conduit is derived

    其主要內容包括以下幾個方面: 1 、對不同敷設方式的地下埋管的受力特點進行了分析,在此基礎上,介紹了上埋式管道垂直土壓力的幾種主要計算公式,指出了各種公式的局限性及其適用范圍,並以彈性理論為基礎推導了一般溝埋式管道垂直土壓力的近似計算公式。
  11. These basic theories are helpful to construct model. some parameters of soil used for experiments are measured by shear experiments. secondly, mechanical models of the wheel - soil interaction when rolling and steering are constructed respectively based on the theory of terrain - vehicle and passive earth pressure

    基於地面力學中的bekker承壓模型和janosi剪切模型,建立了一種月球車車輪在松軟地面上前進時的力學模型,根據被動土壓力理論,建立了該車輪在轉向時的力學模型,給出了所建方程及模型的數值解法。
  12. The primary contents are as follows : 1. according to the feature and the theory of shield tunnel construction, based on the factors that cause effects on environment, the workable monitoring project is established, which include principles of design, the selection of monitoring cross section, the layout of monitoring points, monitoring content and materials feedback. such as operation program, selection of earth pressure, wall - back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail

    完成的主要研究內容如下: 1 、根據盾構法的施工特點及原理,在明確了盾構施工安全影響因素的基礎上,從監測方案設計原則、監測斷面的選擇、監測點的布置、監測內容以及信息反饋等出發,提出行之有效的監測方案;詳細分析了掘進模式、土壓力選擇、壁后注漿、盾構糾偏等施工控制手段,用來減小盾構施工對周邊環境的影響。
  13. The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis

    本文針對目前常用的彈性支點法,給出了完整的數值分析方法,包括各種條件下的墻後土壓力的計算方法和原理、支撐系統(或錨拉系統)水平剛度系數的計算、邊界條件的確定方法等,並以此為基礎採用靈敏度系數分析方法討論了各參數對圍護結構形態的影響,指出土體側向基床比例系數是影響圍護結構變形的最主要的參數。
  14. According to the coulomb ' s earth pressure theory, from the condition of the static equilibrium of the force when the slide wedge was in limit equilibrium, a formula was derivated for the calculation of active earth pressure of cohesive or non - cohesive backfill soils

    摘要根據庫倫土壓力的計算原理,從滑動楔體處于極限平衡狀態時力的靜力平衡條件出發,推導出了計算粘性土或無粘性土主動土壓力的公式。
  15. On this basis, regarding the rankine soil pressure theory as the prerequisite, the active earth pressure formula considering the deformation of braced structure has been set up. the calculation of active limit displacement in the formula has been researched, and proposes two methods ; all of which are applied to active soil pressure formula considering the deformation of braced structure. further, combine the project example, the active earth pressure formula considering the deformation of braced structure has been tested and confirmed its rationality

    本文介紹了基坑支護結構的形式、特點,以及目前工程中基坑的設計計算方法,分析了土壓力的計算在基坑工程設計計算中的重要性;通過實測的基坑主動土壓力與支護結構位移的分析得出基坑主動土壓力與位移之間存在密切關系,在此基礎上以朗肯土壓力理論為前提建立了考慮基坑支護結構位移的主動區土壓力公式;並對公式中的主動極限位移的計算做了研究,提出了主動極限位移的兩種計算方法;把這兩種方法都運用於考慮支護結構位移的主動土壓力計算公式,進而結合工程實例,對考慮支護結構位移的主動土壓力公式進行了驗證,驗證了公式的合理性。
  16. At the same time, based on the theory of rankine ' s earth pressure, several kinds of reasonable formulae about water and earth pressures are put forward. combined several practical foundation pit engineerings these equations are calculated according to the shear strength parameters of uu and cu test

    同時,文章以朗肯土壓力理論為基礎找出了水土壓力合算和分算的幾種合理的計算方法,並利用實際算例根據試驗所得的抗剪強度指標對這幾種土壓力計算方法進行了比較和分析。
  17. To get the goal, the paper detailed presents the two types different pipe jacking building technology and site test about the bigger caliber steel pipe in the course of pipe jacking by engineering example ; propose the concrete way of improving and perfecting the new technology in the air - power pipe jacking ; make progress on applicability and spreading in use on pipe - jacking ; detailed indicates the earth - pressure balance theory and handling technology on the key technology of pipe jacking which supply reference to pipe jacking construction in shanghai areac

    鑒于以上目的,本文通過工程實例對兩種不同類型的頂管施工技術及大口徑鋼管頂進過程中的原體測試進行了詳盡的介紹。提出了氣動頂管新技術的改進、完善的具體方法,加大了其實用性及可推廣性;詳細闡明了土壓平衡理論、頂管施工關鍵點的處理技術,對相關施工,特別是上海地區的頂管施工,提供了可借鑒參考的依據。
  18. The distance from figure center of the parabola to the potential slide surface is less than half of the section length. mechanical conditions of this method include not only force equilibrium but also moment equilibrium. as for the beam - on - foundation, its pressure can be calculated by homogeneous hypothesis or winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximatively on the long term working step

    對于樁在滑面以上段所受的坡體荷載,提出可按形心偏下的拋物線型分佈模式計算,並在滿足力的平衡條件的同時還滿足力矩平衡條件;對于地樑上作用的坡體荷載,提出在錨索張拉階段可按均布或溫克爾( winkler )地基假定或彈性半無限體地基假定來計算,在工作階段則一般可以近似按庫侖主動土壓力理論計算。
  19. Slope pressure on the beam - on - foundation can be calculated by winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximately on the long term working step. in addition, calculation methods of internal force of prestressed anchor - cable beam - on - foundation are provided

    對于作用於地樑上的坡體荷載,提出在錨索張拉階段可按winkler地基假定或彈性半無限體地基假定來計算,在工作階段則一般可以近似按庫侖主動土壓力理論計算。
  20. From the study we can see that the new formula of the earth pressure is even more precise in theory and even more prevalent in application

    研究成果表明本文提出的土壓力計算公式比通常的經驗公式在理論上更為嚴謹,應用上也更具有普遍性。
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