樁承作用 的英文怎麼說
中文拼音 [zhuāngchéngzuòyòng]
樁承作用
英文
pileactipn-
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。Different situations, single - pile raft, four - pile raft and nine - pile raft, are calculated with cpri. with the computing results, the variation of the raft settlement, pile counterforce, soil counterforce and pore pressure at different time are analyzed, which agree with the general rule and show the contribution of soil consolidation on the interaction
本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析,模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化,分析了群樁承臺的荷載在各樁頂的分佈。Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading
然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向荷載作用下的承載機理和變形特性,研究了超長樁的荷載?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。This paper focuses on the problem of semi - infinite elastic body filled with the material which behaves differently in tension and compression. the contents include : ( 1 ) the solution of elasticity theory for the material incapable in tension is established by introducing heaviside function ; ( 2 ) the solution of elasticity theory with different modulus in tension and compression is established based on the solution of elasticity theory for the material incapable in tension and mindlin ' s solution ; ( 3 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the stress of pile foundation ; ( 4 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the settlement of pile foundation
本文考慮材料的拉壓性能不同的特點,對半無限空間內部作用豎向集中力問題進行了新的研究,做了如下工作: ( 1 )引入heaviside函數,建立了不能承受拉應力材料的彈性理論解; ( 2 )基於不能承受拉應力材料的彈性理論解和mindlin解,建立了拉壓模量不同材料的彈性理論解; ( 3 )將拉壓模量不同材料的彈性理論解應用於樁基應力分析; ( 4 )將拉壓模量不同材料的彈性理論解應用於樁基沉降分析。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。In the recent years, along with the construction of breasting dolphin, people put more and more attention to the interactional relation between laterally loaded piles and soil. but there is no domestic criterion about calculational methods of breasting dolphin
50年代前,樁只作為承受軸向力的構件,隨著鋼樁在實際工程中的應用,樁的水平承載性能越來越引起人們的重視,尤其是柔性靠船樁在大變位情況時,國內尚無針對這種結構的設計、施工規程。In addition, the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity. an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil
此外,本文對影響基樁承載力差異性的主要因素進行了深入分析,提出了基樁承載力隨機生成的計算機方法,並採用遺傳演算法對承臺梁內力進行隨機優化分析,可方便地考慮基樁承載力隨機性對承臺梁內力的影響,並開發出能考慮樁?土?承臺共同工作及地基土非線性特性的樁基承臺梁內力優化分析程序。But this method could n ' t reflect the influence of the variance of pile capacity on capping beam internal force and the partaking of soil to the load. combined with the item " the optimal design theory and research of pile capping beam " financed by natural science fund of hunan province, a new method which can consider the pile - soil interaction and tide over the disfigurement of the winkler soil model is used to adjust the foundation base reactions in this paper. by this method, the proper solution about the internal force of capping beam can be achieved and the relative stiffness and the relative position of soil spring are thought out well
本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,考慮梁下土體和基樁對承臺梁的共同作用,提出了能對梁下地基反力進行自動調整的一種新型方法,其克服了文克爾地基模型所存在的缺陷,該法在調整過程中,充分考慮了梁下各土體彈簧之間的相對剛度,相對位置,更接近承臺梁的實際工作情況,有利於獲得承臺梁內力的正確解答。We conclude that the conjunction intensity between the platform and piles has a prominent impact on the deformation on the surface and there exists the " curtain effect " of the pile that weakens the slide tendency to the sea. it is confirmed the most disadvantageous load cases
通過數值模擬得到以下結論,承臺與樁頂連結對碼頭頂面的側向位移影響顯著;存在樁的「遮簾作用」 ,它在一定程度上弱化了岸坡土體向海方向的位移趨勢;確定出對碼頭穩定性最不利的工況荷載組合。The research reveals that in the complex foundation, the application of screw drill press concrete stake technology is feasible. it has notable effects in reducing the sedimentation of the complex foundation, ensuring the stake quality of the basic stake, improving the weight bearing capacity, saving costs, and cutting time limit
研究表明,螺旋鉆孔壓灌混凝土成樁技術在復合地基中的應用是可行的,它在減小復合地基的沉降量,保證基樁的成樁質量,提高承載力,節約工程造價,縮短工期等方面均有顯著作用。The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated
主要工作如下: 1 、分別對均質土中完整端承樁和彈性支承樁在垂直諧和激振力作用下的縱向振動特性進行了研究。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。A study on longitudinal vibration behavior of inhomogeneous pile embedded in layered unsaturated soils
考慮樁土耦合作用時彈性支承樁縱向振動特性分析及應用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。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。Based on the application of post grouting technique in the rigid pile composite foundation, the authors investigated the mechanism of the capacity increase of short rigid pile by this technique
摘要結合后注漿技術在剛性樁復合地基工程中的應用,探討后注漿技術提高剛性短樁承載力的作用機理。Analysis based on a large amount of data about the load - settlement, pile soil stress ratio and stress distribution obtained from the model tests shows that in the horizontal - vertical multiple reinforcing system, the horizontal reinforcing function of the geocell reinforced gravel mattress, the vertical reinforcing function of the gravel pile, the system of load transfer and supporting formed through interaction and working together mechanism between gravel pile composite foundation and geocell reinforced gravel mattress are the main mechanism of its load capacity improvement, settlement and asymmetrical settlement reduction
試驗結果分析表明:在土工格室碎石墊層碎石樁復合地基這一水平向豎向多元復合地基共同作用的加固體系中,結合了土工格室碎石墊層的水平向增強體作用和碎石樁的豎向增強體作用;土工格室碎石墊層和碎石樁復合地基相互作用,共同工作構成的荷載傳遞和支撐體系是其提高承載力,減少沉降和差異沉降的主要機理。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。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。However, this kind of foundation becomes a complex system under the interaction of pile - beam - soil and the behavior of the foundation is still not clearly explained. as this kind of foundation is used in a great number of buildings every year in china, further research on the interaction of pile - beam - soil is needed. a computing program of crossed foundation beam is developed by using the coordinate alteration matrix and taking into account the action of soil under the foundation beam
通過考慮梁下地基土對基礎梁的各向支承作用,引入坐標變換矩陣對任意方向上的基礎梁進行坐標變換,使其能適用於格式基礎梁(包括非正交格式基礎梁)的計算,同時採用荷載修正法修正格式基礎梁中基底重疊面積的影響,用剛度修正法修正樁?梁基礎中基底重疊面積的影響。分享友人