樁的極限載荷 的英文怎麼說

中文拼音 [zhuāngdejíxiànzǎihé]
樁的極限載荷 英文
ultimate pile load
  • 樁 : Ⅰ名詞（樁子） pile; pole; stake Ⅱ量詞（用於事情）
  • 的 : 4次方是 The fourth power of 2 is direction
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 荷 : 荷名詞（蓮） lotus
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. 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。
  2. So how to transfer scientifically self - balanced test data into top load curve according to its actual working behavior, become the obstacle of its practical application. in accordance with actual forcing behavior and reaction mechanism between pile and soil, the article analyzes the relation between top part and bottom part, load transferring mechanism and difference with other loading way by ansys program. so the reliability of determine bearing capacity by self - balance method has been proved

    本文根據自平衡加載方式下樁身的實際受力狀況、樁土間的相互作用機理以及單樁破壞機理，建立了單樁的離散元模型，採用ansys通用分析軟體，選取合理的單元類型、材料特性等，數值分析了基樁在自平衡加載方式下上下樁段的相互關聯、荷載傳遞機理以及與其它加載方式的區別，論證了採用自平衡試樁法測定單樁極限承載力的可行性。
  3. 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。
  4. It is provided by the result of observing for the trial of pile, if the cast - in - place is constructed according to strict technological process, the limit load - bearing capacity of single pile is more larger then its calculational value, and under the function of the most trial loading, the frictional drag haven " t occur yield in every major loading layer, so the pile have greatly safety reserve in engineering

    樁試驗的觀測結果證明，按照嚴格工藝流程施工的鉆孔灌注樁，其單樁極限承載能力遠大於計算值；在最大試驗荷載作用下，各主要持力層均未出現摩阻力屈服現象，樁有較大的工程安全儲備。
  5. Secondly, based on the structure reliability theory, eight types of failure modes of pile under inclined loads are presented, and then corresponding limiting state and limit function of every failure mode are established

    繼而根據結構可靠度的分析方法，為傾斜荷載下的樁土結構確定了8種常見的結構失效模式，並給每個失效模式建立了相應的結構極限狀態及極限狀態方程。
  6. As the formation of theory system of composite foundation and the development of the reliability on the composite foundation, it makes engineering design more reliable, economical and safe in using the reliability theory on the composite foundation

    摘要從邯鄲地區粉噴樁復合地基的工程實際出發，對部分工程的有關單樁及地基土進行了靜載荷試驗，基於這些試驗資料，進行了樁體極限強度及地基土極限承載力的概型分佈統計。
  7. A complete three - dimensional analysis of a single pile is carried out by finite element analysis. the contact element will be used in order to model the pile - soil interface

    本文用有限元接觸理論分析了單樁在高荷載水平下的非線性特性，計算了樁極限承載力和刺入沉降。
  8. Finite element program of non - linear analysis to pile is made and together with results of building test pile and model test pile, therefore, the feature of load transferring and deformation mechanism were deeply analyzed

    對工程試樁的靜載試驗結果進行分析，確定單樁極限承載力。室外模型樁試驗通過在樁身埋設測試元件，研究水泥土組合樁荷載傳遞規律以及變形特性。
  9. Based on the formula which is used to compute the lateral resistance of single pile deduced by wang qitong, a formula is setup whose precondition is that the pile and the lateral soil directly around the pile deform in - phase. on the basis of that the contact stress of the foundation is equal, a formula that can be used to conform the stress - ratio of the composite ground is set up, on the same time, the principles of the deformation harmony of the soil and the piles in the composite ground are also discussed. combining with results of this test, a formula which can calculate the bearing capacity that considering the effect of group piles of the composite ground is also deduced

    視攪拌樁樁體為均質彈性介質，推導了復合地基中單樁有效樁長的理論計算公式；根據王啟銅柔性樁樁側摩阻力計算公式，以樁側土與樁體協調位移為前提推導了柔性樁樁側摩阻力的計算公式；以基底接觸應力均勻分佈，樁體、樁間土均質為前提，討論了樁，土協同工作原理，從而得出復合地基樁、土荷載變形特性，以及樁、土應力比計算公式；結合本次試驗，通過計算加載時樁體與土體的荷載分擔情況以及在極限狀態下樁土承載力發揮值，提出考慮群樁效應的攪拌樁復合地基承載力計算公式。
  10. 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。
  11. An experimental study on steel fiber reinforced concrete ( sfrc ) thick cap with four piles indicates that the factors affecting its ultimate loads are composed of its effective thickness, steel fiber volume ratio, concrete strength grade, shear span length, steel ratio and the form of reinforcement, in which the factor of the form of reinforcement affecting the ultimate loads of pile cap is distinct

    摘要鋼纖維混凝土四樁厚承臺的性能試驗研究結果表明，影響其極限荷載的因素主要有承臺有效厚度、鋼纖維體積率、混凝土基體強度等級、承臺的剪跨比、縱向鋼筋配筋率和配筋形式等，其中，配筋形式對鋼纖維混凝土厚承臺承載力的影響是很顯著的。
  12. Five factors of effecting specify the bearing capacity of drilled grouting pile ( engineering properties of soil, structural dimension of pile, stiffness of pile, time ) have been concluded through introducing the transmission of load mechanism of drilled grouting pile. at the same time, the effecting parameter has been collected. the paper build the ann model in predicting ultimate bearing capacity of drilled grouting pile and discuss in detail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn

    本文簡要介紹了樁基承載力的研究現狀並指出將神經網路引入樁基工程的意義，從介紹單樁荷載傳遞機理出發總結了影響單樁極限承載力的五種因素（樁周土的工程性質、樁身結構尺寸、樁的剛度、時間以及施工工藝）並提取了相應的參數；引用神經網路基本原理，詳細介紹了改進bp神經網路的研究過程，從而建立了預測鉆孔灌注樁極限承載力的神經網路模型；並詳細討論了本模型的神經網路輸入結點信息的提取，在工程實例的基礎上進行了數值計算。
  13. In calculation analysis, computation procedure will be used to calculate the single pile extreme limit bearing power. comparison analysis will be made on the single pile extreme limit bearing power between which tests get and which formulas compute, and analysis will be made on their differences and the cause of them

    在計算分析方面，該部分用前面得出的公式計算出的單樁極限承載力與用有限元程序計算出來的數據進行對比，以及與載荷試驗得出的單樁極限承載力進行比較，分析它們之間的差別以及造成的原因。
  14. In this paper, depending on the enormous 356 pile testing date detailed with soil and pile parameters and p ~ s curves, covering xi ' an and adjacent areas, we analyzed the load transmission mechanism of pile in loess foundation, and proposed a kind of hyperbolic load transmission function between pile and it ' s neighboring soil. meanwhile, we created a mathematical model to predict p ~ s curve and bearing capacity of single pile. by analyzing the compacting effect caused by pile - sinking of pressed pile in loess and it ' s influence on bearing capacity and settlement, two parameters, kc and ke are introduced to modify the soil cohesive c and deformation modulus es

    本文利用現己收集到的西安及其周邊地區356根打入樁、靜壓樁、灌注樁的現場試樁資料（其中打入樁67根，靜壓樁121根，鉆孔灌注樁168根，並有詳細的地層勘探資料，樁深資料，荷載沉降?曲線）對西安黃土地基中的打入樁、靜壓樁、灌注樁的荷載傳遞機理進行了分析研究，認為用雙曲線型的荷載傳遞函數模擬樁土之間的荷載傳遞函數是合適的，並用荷載傳遞分析的方法建立了計算p s曲線的數學模型及極限承載力的確定方法。
  15. The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average

    得出一些有價值的結論：人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力；地下水位對樁基承載力有顯著影響；利用樁側注漿可有效提高樁的承載力；樁側摩阻力所佔總荷載的比例遠大於樁底壓力，樁側土的摩阻強度平均值為30 50kpa 。
  16. In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles

    為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。
  17. Secondly, by using the great fem programme, analyzes the mechanism of bearing and deformation of rigid - soften composite piles foundation. draw a conclusion : exist a specific value, when the number of the rigid pile less than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is distinct, on the contrary, when the number of the rigid pile more than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is indistinct. finally, analyze and sum up some important design ' s constitutes of the rigid - soften composite piles foundation

    其次，採用有限元計算程序，對剛柔復合樁基進行了三維有限元分析，考察了在不同荷載水平下，不同剛柔性樁比例的情況下，復合地基的平均沉降量、土體的沉降等值線和應力等值線以及剛性樁和柔性樁樁頂荷載比值隨不同基礎荷載水平的變化規律，得出了一些具有實際指導意義的結論：當總樁數不變，長樁比例增加到一定程度時，再增加剛性長樁的數量對地基整體沉降幾乎沒有什麼效果；剛柔樁分佈一定，柔性樁實際承載力小於其極限承載力時，外加荷載的增加，剛性單樁和柔性單樁所承當荷載的比值基本不變。
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