樁的阻力 的英文怎麼說
中文拼音 [zhuāngdezǔlì]
樁的阻力
英文
refusal- 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
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
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In previous study of the combined action of engineering piles and fender piles, piles are assumed to be straight lines without thickness in subsidiary stress computation, which will often cause errors to various degree
在工程樁與圍護樁共同作用分析中,將要大量地計算樁身阻力在土體中引起的豎向附加應力和壓縮量。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。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。Using high - strain dynamic tentative piling technique , one can obtain the pile endpoint resistance at each hit in the process of hammering, which is the bearing capacity of the pile endpoint soil against the pile
運用高應變動力試樁法,可以獲得樁在打入過程中的每一錘擊下的樁端阻力,即樁端土對樁的端承力。Firstly, this paper analyzes the distribution of pile - top counter force, pile - end resistance and additional stress of the substratum influenced by raft rigidity in different loads and piles length. it proves the internal forces of foundations distribute unevenly
本文首先採用有限單元法分析了不同荷載形式,不同樁長條件下筏板剛度對樁頂反力、樁端阻力和下臥層附加應力等的影響。According to the results of self - balanced static load tests, not only base resistances were improved after grouting, but also frictional resistances were improved by bettering the characteristics of soils and interfaces between piles and soils
根據自平衡靜載測試結果,樁端壓漿不僅可提高樁端阻力,還可改善樁周土和樁土接觸面的性質,使樁周摩阻力也得到提高。Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted
本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方法,選用randolph的樁端沉降與樁端阻力的關系,利用荷載傳遞法推導了樁身壓縮量的數值計算方法。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。Based on the results of vertical static loading test and stress test for longhole bored pile in loess foundation, by analysing the transferring law of axial force and the action of lateral friction resistance and bottom resistance, the paper discusses the influences of two types of holing technology on bearing capacity behavior
本文通過黃土地基中旋挖鉆孔灌注長樁和泥漿護壁鉆孔灌注長樁靜載荷試驗和樁身應力的測試,分析了黃土地基中兩種成孔工藝鉆孔灌注長樁樁身軸力的傳遞規律、樁側阻力及樁端阻力的發揮性狀,探討了兩種成孔工藝對鉆孔灌注長樁承載力的影響。The grouting test result shows that this technique of pile foundation construction is effective, it can not only increase the upper and skin friction of the cast - in - place pile, but also improve the bearing capacity of the cast - in - place pile, and gain a larger economic benefit for whole project at the same time
經樁端壓漿實驗結果表明,該技術可以增加鉆孔灌注樁樁端阻力和樁側壁摩阻力,是一項行之有效的樁基施工技術,它可有效提高鉆孔灌注樁的承載能力,同時提高經濟效益。Abstract : compared with soil destroyed pattern of vertical force and its controlled factor of bearing capacity, it is concluded that pile capacity and its tip resistence have some difference when soil with the same physical mecanic property is used as natural foundation and pile tip resistent layer. whereas the middle weathering rod stratum hasn ' t this property, that is to say it has the same bearing capacity and pile tip resistence
文摘:通過豎向荷載下土(巖)體的破壞模式及其承載能力控制因素的比較,論述了物理力學性能相同的土層作為淺基礎的天然地基與樁端持力層時,承載力值與樁端阻力值應存在一定的差異;而中(微)風化程度的同一巖層作為天然地基與樁端持力層時,不具有這方面的差異性,承載力值與樁端阻力值應該相等。Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples
文摘:該文從力波及速度波在波阻抗界面的平衡及連續條件,推導了力波、速度波的反射系數、透射系數表達式,進而討論在不同阻抗比時的f ? v曲線特徵,並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的阻力分佈進行了分析。The overall length of the bridge is 27. 2km, and the bridge piers, composed of steel piles and platforms, have resistance to the flow in some degree
整個橋長27 . 2km ,橋墩由鋼樁和承臺組成,對水流有一定的阻力作用。By using the solution developed and the frequency - dependent stiffness coefficient and damp coefficient, the dynamic behavior, especially the one concerned with the variation of the dimensionless maximum response along the depth, for the pile with finite length or with infinite length was studied. it was shown that to simplify computation a pile of finite length can be taken as the one of infinite length if the ratio of pile length to its diameter ( i. e. lid ) is greater than 15
利用所得解,採用與頻率相關的剛度系數和阻尼系數的近似表達式,對有限長樁和無限長樁的動力特性特別是對最大無量綱響應沿深度的變化曲線進行了參數研究,表明在常見樁土參數下,當長徑比大於15時,可將有限長樁視為無限長樁以簡化計算。3 ) the single pile horizontal dynamic impedance function in visco - elastic ground considering axial loads is first derived in this field, and the parameter analysis shows that the variation of single pile horizontal dynamic impedance cannot be neglected when considering the axial loads, and it ' s appropriate to considering the axial loads when calculate the single pile horizontal dynamic impedance
3 )首次推導了粘彈性地基中考慮樁頭軸向力時單樁的水平動力阻抗函數,通過參數分析發現,軸向力對單樁動力阻抗剛度存在不可忽略的影響,當軸力較大時,計算單樁的動力阻抗以考慮軸力為宜。Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given
首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。Lastly, two axially loaded bored piles in some building site near xichang city was calculated with the method and some useful data and curves including load - settlement curves and distribution of friction resistance etc. are presented. the accordance between the results of calculation and in - situ test verifies the validity of the method developed in the paper
通過計算,得到相應的荷載?沉降曲線、軸力圖、樁側阻力圖、塑性區、土的豎向位移等值線、樁的滑移過程等結果,並與現場試驗結果吻合較好,說明用本文方法計算分析樁基的工作特性是可行和有效的。The reliability is validated further on. 3. the static loading test is modeled by plaxis, based on this, the basic bearing mechanism is analysed which comprise the rule of the load - settlement curves, inner and outer friction resistance, end bearing, stress distribution along pile depth and the dissipation of excess pore pressures
應用plaxis程序模擬單樁靜載荷試驗的過程,並根據計算結果較為詳細的分析了pcc單樁的基本承載特性,主要包括荷載?沉降曲線的特徵、樁壁內外側摩阻力的分佈、樁端阻力的分佈、樁的軸向荷載傳遞以及孔壓消散規律等。Sponsered by hunan provincial communications department, a great in - site static pile test is carried out for the maocaojie bridge, which is introduceded in details in this paper. from the test, some results with value of theory and practice are obtained about the axial laod capacity of large - diameter bored bridge piles in the area of dongtinghu lake
詳細分析了洞庭湖區大直徑橋梁基樁的受力特性,並提出了可供實際工程應用的洞庭湖區大直徑橋梁基樁樁側摩阻力推薦值,指出了橋梁基樁的設計中應注意的問題。From the experimental results it can be seen that as the frequencies are kept unchanged, the horizontal resistance of the horizontal cylinder exerted by the internal waves increases with increasing amplitude of the internal waves, and its magnitude depends on the stratification
實驗結果表明,當內波的頻率不變時,水平樁柱所受到的阻力隨著內波的振幅增加而增加,它的量值與分層有關。分享友人