限位錨 的英文怎麼說

中文拼音 [xiànwèimáo]
限位錨 英文
deadline anchor
  • : 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
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 名詞(鐵制的停船設備) anchor
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對桿與圍巖的相互作用機理進行研究,利用全長桿的中性點理論,從等效均化的角度來考慮桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有元方程的計算格式,為開發運用大型商用有元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對桿支護結構的應力場、移場的變化規律進行了研究,分析了加支護對隧洞圍巖應力、變形的影響。
  2. During the 3d finite element calculation, try to simulate different procedure of the construction ( like sunk well in - filling, main cable erection, box girder hoist, bridge flooring and opening to traffic ). and then, reveal the regulation of deformation and displacement on the foundation and soil during different period. after got these, this thesis put great attention on the analysis of the reason which cause the horizontal displacement of the cable saddle, as well as the regulation of the pressure ' s changing in the soil located on the front side of the sunk well foundation

    在三維有元計算中,對不同工況(沉井充填、體澆築、主纜架設、箱梁吊裝、橋面鋪裝以及通車運營)下的施工過程作了模擬,全面揭示了各工況下碇沉井基礎與地基土的變形變規律,著重分析了影響散索鞍水平移的因素以及不同工況下沉井前測地基土水平向抗力變化規律,並提出了不同深度地基土水平向抗力與水平移間的擬合關系。
  3. Introduced by prestressed pier in the gate of spillway in xiao xia hydroelectric power station, the text reasonably established 3 - d finite elements mechanic model by the advanced finite elements popular in the world which can expediently impose tension of anchor funicular at its place. it also considered possible diversified combination of loading, and indicated that the effect of its prestressed action is fruitful compared with its conventional counterpart by study of mechanic calculation in comparison. as a result, it vastly improved burdening state of pier. by analysis of 3 - d finite element method, it also gained the stress result indifferent boundary conditions such as breast wall joint support and fixed support, and the displacement result in diversified loading combination. those results gained the instructive and reference value in design of prestressed pier

    本文結合黃河小峽水電站泄洪閘預應力閘墩這一工程實踐,採用國際上已成熟的有元方法,合理地建立了預應力閘墩的三維有元模型,該模型可方便地按預應力索的點施加索預張拉力,考慮了可能發生的多種荷載工況組合,並與無預應力閘墩結構進行了對比分析研究,指出其預應力效果是明顯的,可以大大改善閘墩結構的受力狀態,通過三維有元分析,還得到了胸墻簡支、固端不同情況下的應力成果和各荷載下的移成果,這些成果的取得對預應力閘墩的設計具有一定的指導和參考價值。
  4. Firstly, the domestic researches, which have been reported, are introduced. then the characteristic of the system in estimation of prestressing losses is analyzed by theoretical method, and the reasons that the elimination of tendon is large and test results are not consistent are pointed. using fem software ansys, anchorage zone of pylon are analyzed

    論文首先介紹了國內現階段對該問題的一些研究成果,然後從理論上分析了小半徑大噸環向預應力體系在計算預應力損失方面的特點和造成張拉伸長量偏大且實測的數據離散性較大的原因,並採用國際權威的有元分析軟體? ? ansys從理論上進行分析和索塔固區最不利節段的足尺寸模型試驗進行校驗。
  5. At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

    文中首先對結構面的力學模型進行了一定的探討,提出了粗糙結構面尤其是加結構面的本構關系;然後採用極平衡法,研究了順向層狀巖質邊坡的順層滑動失穩,提出了其穩定性計算公式;最後,結合能量定律和彈性板梁穩定理論,探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法,建立了相應的力學模型,求出了其相應的解析解,並提出了臨界坡長與最大彎曲置的確定方法。
  6. To truly reflect complex geometrical layout of bolts, a composite model of three - dimension anchored rock mass has been proposed for numerical simulation. the corresponding formulation of anchored mass ' s combined units has been formed by displacement interpolation theory of fem and statical effective principle. and the corresponding detailed rules has also been advanced

    針對加巖體的數值模擬,為了真實反映各種固件的復雜幾何布局,文中給出了三維加巖體的組合模型,利用有元法中的移插值理論和靜力等效原則建立加巖體組合單元的相關列式,並提出相應的實施細則。
  7. Abstract : taking a deep basal pit in wuhan as a case history, this article adopts the numerical simulation method ( finite element method ) to study the variation of pit excavation depth 、 anchor prestress 、 pile width and embeded depth of pile and their relationship with the horizontal deformation and displacement of the tiedjogglepile

    文摘:以武漢某深基坑為例,採用有單元數值模擬方法,研究基坑開挖深度、桿預應力、樁體厚度、樁體嵌入深度的變化與其式連鎖灌注排樁支護結構水平變形移的關系。
  8. Furthermore, the pressure of soil can be exerted on anchor boards, so the stressed anchor can balance the pressure of soi1 through the anchoring. before the trench displaces, the anchoring pressure begins to work through the exertion of pre - stress. meanwhile, the stress pressure of anchor changes and is adjusted through shot concrete and its stressed steel. so the whole supporting system, which is similar with the pile - anchor supporting system, is finally formed, and it can limit the displacement of trenches

    桿的固力在基坑出現移前,通過雨應力的施加即得以發揮作用,桿的受應生變化並通過噴射硅及其中的受力筋得以調整,從而形成一個與樁一結構近似的整體支護系統,起到制基坑移的作用。
  9. According to calculating and analysis, educes the distributing laws and their correlations of horizontal displacement and stress of stabilizing pile, anchor pull and earth press in two sides of pile, including the distributing of point repel force and internal force of pile at the terminal state, providing full theoretical basis for anchor cable and stabilizing pile structure design, strength check, stability check and determination of anti - slide force for a single stabilizing pile

    通過計算分析,得出了抗滑樁的水平移、樁身應力、索拉力和樁側土壓力的分佈規律和它們之間的相互關系以及極狀態時的樁的結點抗力和樁的內力分佈規律,為索樁的結構設計、強度校核、穩定性校核和單樁抗滑力的確定提供了充分的理論依據,同時也提出了索抗滑樁計算分析的一種新方法。
  10. In order to optimize the perpetuation tensioning tonnage of prestressed pier anchor wire of goupitan arch dam, first the scheme contrast method is adopted to define the perpetuation tensioning tonnage combination of the primary and secondary anchor wire, but the optimization result is that the pull - anchor coefficient is too big ; then the body form of the pier is optimized ; finally the anchor wire perpetuation tensioning tonnage is optimized by using ansys optimization design module based on parametric fem, the optimization result is acceptable and the pull - anchor coefficient is lowered down

    摘要為優化構皮灘拱壩中孔預應力閘墩索永存張拉噸,首先採用方案優選的方法確定主次索永存張拉噸組合,但優選結果拉系數偏大,再對閘墩體型進行優化,然後採用基於參數化有元的ansys優化設計模塊對主次索永存張拉噸進行優化,優化結果滿足應力控制要求,降低了拉系數。
  11. Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in yulin grotto in anxi county gansu province, as examples, the simultating computation for the displacement field and stress field of the grotto rock under seismic load is done using dynamic finite element method, the change regularity and dynamical response of the grotto rock are concluded

    摘要根據索加固石窟巖體的特點,以甘肅安西榆林石窟的三個典型的工程段為例,通過動力有元的方法對地震荷載作用下預應力索加固石窟巖體的移場、應力場的模擬計算,得出了其動態響應和變化規律。
  12. In order to restrict the displacement of relaxed rock effectively, the factors affecting the efficacy of anchor measures are analyzed according to mechanism of action of anchor. in terms of principle orthogonal design, the influence of parameters of anchor to displacement of excavation slope are elevated by computing using finite element method simulation, and the optimal scheme of anchoring parameters including length of anchors and space between bolts and thickness of shot concrete are defined. finally, the optimal scheme of anchor parameters are determined with considering results of theory analyse and numerical calculation, which provide theory bases for engineering

    為了有效防治邊坡開挖后巖體的鬆弛變形,根據桿的作用機理對影響固效果的主要因素進行分析,並利用處理多因素試驗的科學方法?正交設計原理,以有元數值計算為手段,以有效約束邊坡開挖移為標準,評價了桿長度、桿間距、混凝土噴層厚度等固參數對邊坡變形的影響大小和規律,經過比較分析最終提出了固參數的優化設計方案,為工程設計提供了理論指導。
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