friction pile 中文意思是什麼

friction pile 解釋
抗滑樁
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  • pile : n 1 軟毛,絨毛;毛茸。2 (布、絨的)軟面。vt 使起絨。adj d 有絨毛的。n 痔瘡;〈pl 〉痔。 blind pi...
  1. In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail

    本文利用所編的程序,對上海地區豎向荷載作用下的單樁的流變效應進行了分析,並通過樁體位移?時間關系曲線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。
  2. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  3. Many survey data refer to mortal down load and sedimentation be produced due to the negative friction in pile foundation. the inequable sedimentation endanger the pile foundation greatly

    國內外一些實測資料表明樁基礎在使用階段負摩擦力可能產生非常大的下拉荷載和沉降,尤其產生的不均勻沉降對基礎危害最大。
  4. Negative skin friction of driven pile

    打入樁負摩阻力
  5. Negative skin friction of pile

    深基礎負摩擦力
  6. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  7. At last, the load transmission property of cast - in - place piles, the developing cause of friction resistance and base resistance, and some factors which influence pile ' s bearing capacity and settlement are analyzed. then, we introduced two parameters, e and c to represent the disturbing effect in pile construction on parameters of modulus es and cohesive c, which determined by the pressed piles

    在這個基礎上進一步分析了打入樁的沉樁擠土效應對樁荷載傳遞的影響及其與靜壓樁的差異,在靜壓樁修正系數k _ c和k _ e保持不變的情況下,再引進打入擾動系數_ e和_ c ,以其和原來靜壓樁的k _ c和k _ e的乘積作為打入樁時的修正系數。
  8. The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil

    在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。
  9. At first, based on the results of field pile tests, conclusions are made that the resistance of expanded branches or plates behaves mainly as end - bearing force, and this new type of pile can be classified as multi - end - bearing piles with friction

    首先,通過現場試驗結果,深入分析了擠擴支盤樁單樁的荷載傳遞機理,指出擠擴支盤樁的支盤阻力主要體現端承力的性質,並將擠擴支盤樁定性為摩擦多支點端承樁。
  10. In this thesis summarize how to avoid and deal with the negative friction in designing and using. researches indicate : ( 1 ) the negative friction in pile will lead to large number of down load in some designs. this friction must be considered in design to avoid the sedimentation and destroy in the building

    研究結果表明: ( 1 )在工程設計中,有些情況由於負摩擦力產生的下拉荷載數值相當大,在設計中應充分給予重視,以避免在使用中由於下拉荷載使樁的軸向荷載增加引起樁的沉降或不均勻沉降,而導致建築物的破壞。
  11. Then displacement fields are researched via the finite element model that accords with actual process of jacked pile. and the effects of displacement fields caused by difference modulus ratio, friction between pile and soil, possion ration of soil and soil index of c and are put forward

    接著建立了能夠模擬沉樁連續貫入的有限元模型,利用該有限元模型分析了樁土模量比、樁土界面接觸剛度、樁土界面摩擦、泊松比以及土體的c和指標等因素對沉樁擠土效應的影響。
  12. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  13. Today, cast - in - situ piles are more widely used in deep foundation engineering because of their many advantages, such as better adaptability to various ground condition, providing enormous bearing capacity by a single pile and smaller dosage of reinforcing steel bar. but, their own disadvantages, such as sediment under tip, clay slurry around pile, friction and tip resistance disagreement and initial ground stress freeing, limited their bearing capacity, lowered the utilization ratio of material and increased the settlement

    灌注樁,因其對地層適應性強、能提供較大的單樁承載力、鋼筋用量少等優點,在目前深基礎工程中得到了極為廣泛的應用。但是,灌注樁的固有缺陷,諸如孔底虛土;孔壁泥漿;端阻、側阻發揮不同步;鉆孔后原地應力釋放等,限制了其承載力的發揮,使得材料利用率不高,沉降較大。
  14. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。
  15. In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying

    本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。
  16. In this paper the friction piles are used in zipingpu multi - purpose dam construction project, the spillway in the side slope is covered with overburden, the horizontal area is from sp. 0 + 200m to sp. 0 + 280m, the elevation is about from el. 810m to el. 950m, there is hard and integral rock under the overburden, which provides enough anchor ability, and it ' s requirement to set the friction pile at the appropriate place ; in order to improve the slope stability that suitable excavation or weeding off the disadvantage load on the landslide are good measures, for the scarp it ' s better to reduce the slope

    摘要紫坪鋪水利樞紐工程溢洪道樁號0 + 200 ~ 0 + 280 、高程810 ~ 950m范圍的內側邊坡為覆蓋層邊坡,坡體下部有較為完整堅硬的巖石,具備提供足夠錨固力的條件,在適當的位置可以考慮設置抗滑樁,再通過適量的開挖提高邊坡穩定性,或將滑坡體上部不利於穩定的荷載挖除,對于陡坡的坡面可以將坡削緩,則效果會更好。
  17. Research on computing method for vertical bearing capacity of friction pile foundation

    摩擦樁豎向承載力計算方法研究
  18. As the load increases, when the pile is no longer the pure friction pile, the method is also applicable for the cases that the pile has end support or the friction acting on the pile reaches limit

    隨著荷載的增大,當樁體不再是純摩擦樁時,計算方法同樣適用於有樁端力或樁側摩阻力達到極限值的情況。
  19. Based on the assumed vertical displacement of the unit cell and the assumed distribution on the pile - soil interface of the pure friction pile, and using the boundary conditions that there was no relative slipping between pile and soil, the pile decrement was equal to that of soil on the pile - soil interface and that the vertical sheer stress of the unit cell ' s outer edge was equal to zero, the formula for the frictional distribution of the pure friction pile and the formulas for the displacement of pile and soil in the treated area were deduced

    通過假定的單元體豎向位移模式和純摩擦樁樁側摩阻力分佈模式,利用樁土間無相對滑移、樁土界面處樁土壓縮量相等和單元體邊界處豎向切應力為零等邊界條件,推導出復合地基純摩擦樁樁側摩阻力分佈的具體表達式,以及加固區樁土壓縮量的計算公式。
  20. Based on the results of economic and technological study, the friction pile is a better solution for slope stability

    經濟技術比較結果表明,採用抗滑樁的加固措施較好。
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