摩擦樁 的英文怎麼說
中文拼音 [mócāzhuāng]
摩擦樁
英文
floating pile-
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。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。The studied factors respectively are : length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing
這11個因素分別為:土釘(錨管)長度、土釘直徑、土釘界面摩擦力、土釘下傾角、土釘水平間距、土釘排數、土體重度、內摩擦角、粘聚力、坡頂超載、板樁插入深度。Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum. and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil, inhomogenous viscoelastic soil homogenous viscoelastic soil. at the same time, the factors to influence the impedances of single pile are examined
本論文採用novak薄層法,推導了在均質地基中,端承單樁和摩擦單樁的動阻抗;並全面分析和對比了均質彈性、均質粘彈性和非均質粘彈性地基模型中的單樁的動力阻抗,考察了各種因素對單樁動力阻抗的影響程度。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。A dynamic interaction schematic of an end bearing or elastic bearing pile with arbitrary force at pile top is founded. by using helmholtz resolution and the operator decomposition method, biot ' s equations governing motions of a porous solid saturated with interstitial fluid are decoupled
建立飽和土中端承樁和摩擦樁在任意激振力作用下的理論模型,利用位移勢函數及微分運算元分解方法,得到飽和土層biot動力固結方程的分離變量解。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。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。Pressure grouting has made piles and soil combinaion closely at the same tiine, the piles liave hand load capacity more than ever currenly, the design and calculation of root piles have been short of a sult of fledged theory aner referencing the application of root piles in underpinning engineering and basing on the intrinsic cbaraer of root piles in thes paper the authr has ehabshed mle constitutive relative of root piles and soil in correctin slopes, researched the slope edility aller correcang slopes and safety factr of slopes
樹根樁可以看作是一種摩擦樁,它不僅可以承擔豎向荷載,而且還可以承擔水平荷載,用壓力注漿可以使樁與土體緊密結合,使樁具有較大的承載力。當前,對樹根樁的設計計算卻沒有一套成熟的理論,本文在參考了樹根樁應用於托換工程的設計計算方法后,根據樹根樁的實際特徵,詳細推導了樹根樁加固邊坡后樹根樁與土均質化復合「土體」的本構關系,研究了樹根樁應用於邊坡加固后的穩定性情況。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。The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones
試驗表明:即使在極限荷載下,超長樁的豎向承載力仍主要由樁側摩阻力提供,且主要集中在樁的中上段,下段摩阻力很小,樁的端阻力由於樁底沉渣的影響也難以發揮出來,所以超長樁為典型的摩擦樁。The test of negative skin friction along the single pile or wharf bent piles, which is modeled after piles of zanjiang harbor, is studied
結合湛江港某碼頭工程基樁,用模型試驗模擬現場地質情況,對港口單樁、排架樁基負摩擦力進行模型試驗。Nonlocal friction analysis of pile foundation in multi - layer soil
多層土樁基的非局部摩擦分析Test study on length influence to large diameter friction piles
樁長對大直徑摩擦樁影響的試驗研究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The piled raft foundation belongs to large spacing pile foundation. each pile works similarly as single pile
沉降控制復合樁基中各單樁為摩擦樁,樁距較大,因此它的工作性狀與單樁比較接近。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。In this paper, ansys is been used as numerical method. base on one example, fem model is created by using parameterized modeling and the develop technique by ansys, the effect of the model size has been studied. lt has been certified that the proper parameter value of the model is helpful to develop the analysis accuracy. the length, the diameter and the elastic modulus of pile is changed to study their effect. the analysis shows that : as to frictional pile, big length, big diameter, and great modulus is helpful to develop the bearing capacity of piles
並分析了模型尺寸對分析結果的影響,結論表明,適當的選取模型參數,有利於分析的精度的提高。文章還通過改變不同的樁土系統參數,樁長,樁的直徑,以及樁的彈性模量,得到了樁土系統的響應,繪制了p ? s曲線,結論表明,對于摩擦樁而言,增大樁長,提高樁的直徑,或者提高樁的彈性模量,有利於提高單樁的極限承載力。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。The further research in port engineering pile foundation is considered to be important of such as behavior and bearing capacity of laterally loaded single piles and pile groups, and the functional mode of wharf foundation pile under flood tide torrent, and load - deflection curve, and negative skin friction along the pile, et al. the bearing capacity and the negative skin friction of port engineering piles are analyzed, to satisfy port engineering development demand better
在港口樁基工程領域,港口工程水平承載(群)樁的工作性狀以及承載力計算方法,漲潮急流等動態荷載作用條件下碼頭基樁的受力性狀,樁的作用荷載與變位趨勢關系、樁的負摩擦等問題都要求作進一步的研究。本文致力於以港口工程樁基為主要研究對象,對港口工程(群)樁基水平承載力和負摩擦力進行研究,以更好地滿足港口工程建設需要。分享友人