soil pressure 中文意思是什麼

soil pressure 解釋
土壤壓力
  • 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...
  • 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...
  1. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。
  2. 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。
  3. Too much embankment of filled soil will result the destroy of road surface or instability of high - stack soil ; soil pressure at the top of culvert is the key parameter of culvert structure design, more or less of the parameter will result in economic waste or failure of structure

    堤頂沉降過大,輕者破壞路面,重者路堤失穩,涵洞頂部土壓力是涵洞結構設計的控制指標,計算過大導致經濟浪費,過小導致涵洞開裂,影響其使用壽命。
  4. The pile - anchor retaining structure system is often used in chongqing area. for a long time, there is a conception about the transfer approach of soil pressure behind the pile - anchor retaining structure system that the pressure is applied on the holding sheet firstly, then transferred to the columns by the sheet, finally transferred to the form ground by the anchor

    樁錨支擋結構體系是重慶地區經常採用邊坡支護形式之一,長期以來,人們認為樁錨支擋結構體系的傳力途徑是:土壓力先作用於擋板上,通過擋板再傳到兩邊立柱,然後再通過錨桿把力傳遞給穩定地層。
  5. Culvert under high - stack soil is a ubiquitous phenomena in road constructions in mountain, self - compression of high - stack soil can not be ignored, soil pressure at the top of culvert is affected by many factors, including the height of high - stack soil, section size of culvert, width of the bottom of valley, grade of valley, property of filled soil, construction procedure and techniques

    高路堤下埋設涵洞是山區公路建設的一種較為普遍的現象,高路堤自身壓縮較大,不可忽視,涵洞頂部土壓力的大小又受很多因素的影響,包括填土高度,涵洞截面尺寸,溝谷底部寬度,溝壁坡角,填築體性狀,施工工序與工藝等。
  6. The paper proposes that the damage surface adopt curvilinear slip - surface, based on analyzing several normal models of soil pressure, and a new method of calculation soil pressure of brace structure of deep foundation - pit is derivated based on prandtl theory under this assumption. moreover contrasting against computational method of the classics soil pressure, better effect is acquired in the actual application

    本文在對幾種常用的土壓力模型進行分析比較的基礎上,提出了採用曲線滑動面作為破壞面,並在此假設下根據普朗特爾理論推導出一種計算深基坑支護結構中土壓力的新方法,並與經典土壓力計算方法作了比較,在實際應用中也取得了較好的效果。
  7. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法,分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別通過彈性理論分析法和結構力學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
  8. Based on the concrete engineering of the culvert under the embankment of the high - stacked soil in north second ring highway of guang zhou city, the paper researches the soil pressure distribution and change characteristic through on - the - spot arrangement of the test component

    本文依託廣州市北二環高速公路高填土路堤下涵洞的實體工程,通過現場布設測試元件測試,研究了其涵頂土壓力的分佈與變化特徵。
  9. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  10. Construct the light well point pipe after completion the east two - line side piling, to prevent the pipe movement or damage by soil pressure during piling

    輕型井點管應在東側的兩排邊樁施工完畢後方可施工,防止壓樁過程中,土的擠壓力使井管位移或損壞井管
  11. The calculated results obtained by available models show that the pentagon model for the distribution of lateral soil pressure is of significance to design, stability analysis and cost budget of composite soil nail bracing structure

    計算結果表明,所提出的「五邊形」側土壓力分佈模式與實測結果相符合,與現有的側土壓力分佈模式相比更加合理,對復合土釘支護結構的整體設計、穩定性分析、工程造價預算等具有指導意義和應用價值。
  12. The authors suggest : the internal force ' s value is rational if the coefficient of lateral resistant force is one - forth to one - sixth of tests value, or the coefficient of lateral soil pressure is bigger than the coefficient of earth pressure at rest, or the lateral resistant force is computed together with the lateral earth pressure

    提出如將抗力系數取?實驗值1 / 4到1 / 6 ,或土壓力系數稍高於靜止土壓力系數,將側向抗力和側向土壓力綜合?慮,內力計算結果將是合理的。
  13. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗力升溫時採用靜止土壓力加彈性土抗力,降溫時採用主動土壓力;分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受力和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理有實踐和推廣價值的橋型。
  14. The test study change of the soil pressure, the touch pressure between pipe and soil, pore pressure, the movement of depth soil, the underwater level and the deformation of earth surface in process of pipe jacking

    研究了頂管施工過程中引起的土壓力、土體與管壁的接觸壓力、孔隙水壓力、深層土體位移、地下水位的變化以及地表變形等的影響。
  15. Through simulation, found the influence rule on existed structure by shield construction, discussed construction factors such as soil deformation modulus, different thickness of and different elastic modules of equivalent circle zone, control soil pressure, initial stress release rate influence on the surface settlement and structure deformation, studied the reasonable parameter value scope

    通過數值模擬,研究了盾構施工對既有結構的影響規律。討論了地基變形模量、等代層厚度和參數、圍巖應力初期釋放率、盾構正面土壓力等施工因素對地表沉降和筏板基礎沉降的影響,研究了穿越結構物時參數的合理取值范圍。
  16. Through site monitor and numerical simulation result, technical measure and parameter optimization were given from foundation stability ; inject slurry ; controlling soil pressure, which mitigate the influence on the structure to least. the best shield construction condition was given at the end

    通過現場監測與數值模擬分析,本文從預加固措施、襯砌背後注漿、開挖面土壓力、盾構推進速度、盾構姿態等方面提出盾構穿越結構物過程中施工技術措施和參數優化及匹配,使推進中對周圍地層、地面、既有結構物的影響最小,得出了最佳盾構推進狀態。
  17. On the basis of this, the paper puts forward the effective measure of reducing the vertical soil pressure on the culvert

    在此基礎上,提出了減少高填路堤下涵洞結構物上垂直土壓力的有效措施。
  18. The famous smp ( matsuoka - nakai ) strength criterion in the three - dimensional stress state is brought into the formulas of the rakine soil pressure and the new formulas is proposed in the three - dimensional stress state in this paper

    本文將著名的三維應力狀態下的smp (松崗?中井)強度準則應用到朗肯土壓力計算公式中去,推導了三維應力狀態下的朗肯土壓力計算公式。
  19. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。
  20. 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。
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