earth pressure 中文意思是什麼
earth pressure
解釋
地壓-
Some equivalent formulae for coulomb s earth pressure and rupture angle
庫侖土壓力與破裂角公式的各種等價形式 -
Some equivalent formulae for coulomb ' s earth pressure and rupture angle
庫侖土壓力與破裂角公式的各種等價形式 -
Calculation of active earth pressure on rankine ' s theory
理論的主動土壓力計算 -
Rankine ' s earth pressure theory
朗金土壓力理論 -
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。 -
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。 -
Subsoil ; analysis of earth - pressure ; comments
地基下層土.地壓分析.說明 -
Some beneficial results of the csnw ' s behaviors are gotten. main research contents as follows : ( 1 ) the four destruction models and respective stability analysis methods are discribed in this paper, whose working mechnism and calculating methods are given. in addition, some defects of every method are also discussed ; ( 2 ) on the basis of traditional active soil pressure method and expirical siol pressure method, the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed
主要工作如下： （ 1 ）本文給出了復合土釘墻的穩定性分析方法，該方法介紹了復合土釘墻的四種破壞類型，分析了每種破壞類型的受力機理，並給出了相應的計算方法和計算方法中的一些不足； （ 2 ）在傳統的主動土壓力和經驗土壓力的基礎上，建立了土釘墻中間大、上下小的四邊形狀分佈的側向土壓力的計算模式。 -
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 -
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 -
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。 -
A new method calculating earth pressure on flexible structures for excavation work
基坑工程柔性擋墻土壓力計算方法 -
Although grouting - lift is a complicated dynamic process, according to the difference of action between the slurry and soil, this process is provided into several static stages in the paper. in every stage, the author expounds the working mechanism and builds the model, to study earth pressure distribution and lift - force magnitude when being grouted
結合每個階段的特點，進行注漿機理闡述，建立注漿模型，探討了注漿過程中土層中壓力分佈規律和頂升力大小的計算方法，分析了土體抬升的破壞模式以及注漿的加固效果、頂升效果和注漿量之間的關系。 -
Consequently, to optimize the appearance and structure design of retaining walls, especially to have a deeper understanding of the bearing mechanism of various retaining walls and select city retaining wall type reasonably are of great engineering significances and potential economic effect. based on a thorough analysis of the character and mechanism of city - retaining - wall structures, the design theories, construction technology, new wall types and development tendency are deeply discussed. besides, the characteristics of various types of city retaining wall are discussed, and the usual methods for earth pressure calculation are summarized
本文在綜合分析目前常用城市擋土結構的特點及其受力特性等基礎上，針對一般擋土墻設計理論、施工技術、新型結構以及未來的發展趨勢進行了深入探討，論述了城市擋土結構的特點，並對常用土壓力理論進行了綜述，介紹了城市擋土墻常見的類型，並介紹了常規的設計理論和方法；通過分析比較，優選出錨桿擋土結構和砌塊式擋土結構，並從錨桿錨固原理出發，結合工程實踐和大量現場試驗、對錨桿的抗拔承載力進行了深入研究，提出了用調整雙曲線模型法計算錨桿抗拔承載力的方法，對土壓力計算方法進行了探討，對其設計計算方法進行了研究。 -
Influence of seepage on water and earth pressure in foundation pit
滲透對基坑水土壓力的影響 -
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 -
The earth pressure over the pit bottom calculated by the trapezoid mode, and the result is better according with the rectangle mode of sandy foundation
坑底以上樁側土壓力採用梯形分佈模式，計算結果與砂土地基的矩形分佈實測土壓力符合較好。 -
For the construction of single - arch tunnel within cracked surrounding rocks, 8 tunnel models are set up to study the effect of the earth pressure distribution of the various surrounding rocks due to excavation. the relationships between the loosen zone of tunnel radial earth pressure and the tunnel diameter, the characteristics of surrounding rocks and the exposed time are revealed. it is showed that the pressure loosen radius is 1. 2 ~ 2. 0 tunnel diameters and the strongly loosen radius drops to 0. 5 ~ 1. 0 one for double lane tunnel
對于單拱破碎圍巖隧道的構築問題，作者設置了8個隧道模型，研究開挖對不同隧道圍巖壓力分佈的影響，揭示了洞周徑向壓力的鬆弛范圍與洞徑、圍巖特性、裸露時間的關系，得到雙車道隧道壓力鬆弛半徑為1 . 2 2 . 0倍洞徑，強烈鬆弛區半徑為0 . 5 1 . 0倍洞徑。 -
Analysis of active earth pressure of unsaturated expansive soil
非飽和膨脹土的主動土壓力分析 -
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。
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