預應形鋼 的英文怎麼說

中文拼音 [yùyīngxínggāng]
預應形鋼 英文
prestressing steels
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 鋼 : 鋼名詞（鐵和碳的合金） steel
  1. Steel strands shape parameters of skew prestress box girder

    斜交預應力箱梁鋼絞線形狀特性及其影響
  2. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議
  3. The results indicate that the ratio of span to rise, the ratio of reinforcement and the stretching controlling stress are the three primary influencing factors to the failure pattern of the slab. in addition, the relationships between the ratio of deflection to span and the ratio of span to rise and the stretching controlling stress submit to linear curves, the relationship between the ratio of deflection to span and the ratio of reinforcement submits to a quadratic parabola curve

    運用數值分析程序計算了175組不同跨高比、配筋率、張拉控制應力的中強（ 1270mpa ）螺旋肋鋼絲預應力空心板，結果表明跨高比、配筋率、張拉控制應力是影響空心板破壞形態的主要因素，且構件撓跨比與跨高比和張拉控制應力呈線性關系，與配筋率呈二次拋物線關系。
  4. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次，設計了三根活性粉末混凝土無粘結預應力疊合梁，兩點對稱集中加載、一次受力，得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  5. Steel strip sheaths for prestressing tendons - test methods - determination of shape and dimensions

    預應力鋼絲索用鋼帶護套.試驗方法.形狀及尺寸的測定
  6. The main causes, which have effects on redistribution of internal force in the prestressed frame, including the relative height compressive zone of section, secondary moment and types of load applying are taken into account. the horizontal braces force which results from the tension of the prestressing steel, reduces the pre - compress stress is analyzed

    並且探討了各影響因素對框架梁截面延性的影響和由於柱的抗側剛度在預應力鋼筋張拉時約束梁的軸向變形，從而影響預應力在梁中的建立所造成的梁中軸向預壓力的損失。
  7. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 ： 1模型試驗，對比分析了兩種后張預應力施工體系的優劣，歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律，驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性，確定了預應力混凝土壓力管道理論計算方法的可行性。
  8. Flat - bottomed, vertical, cylindrical storage tanks for low temperature service - recommendations for the design and construction of prestressed and reinforced concrete tanks and tank foundations, and for the design and installation of tank insulation, tank liners and tank coatings

    低溫用平底立式圓柱形儲罐.預應力鋼筋混凝土儲罐和儲罐基礎的設計和製造儲罐內襯和儲罐塗層的設計和製造推薦標準
  9. A predigested car model and a reasonable bridge model were presented after the bridge structures and the colliding characters were analyzed. the stress and the displacement of the concrete, bar, pre - stress bar changing with time were presented. the stress of the whole bridge at the time of the contact and the deformation of the whole bridge at the end of the contact are obtained

    採用美國ansys公司的有限元軟體ansys ls - dyna對碰撞過程進行數值模擬分析，得到了撞擊點附近混凝土、普通鋼筋以及預應力鋼筋的應力及位移隨時間的變化規律，同時得到了全橋在碰撞后瞬間的應力分佈規律和碰撞結束前全橋的變形規律。
  10. Standard for circular prestressed concrete water tanks with circumferential tendons

    帶有環形預應力鋼筋的環形預應力混凝土水箱標準
  11. Through the test of the four prestressed steel wires at elevated temperature around the range of 20 to 800, the thermal strain of the four prestressed steel wires under stress is studied, the main reasons of the thermal strain are analyzed, and the computation equations are listed

    摘要通過對4種常用的預應力鋼絲在高溫下的試驗，研究了4種預應力鋼絲在不同應力水平下，在20 ~ 800范圍內的變形性能，並分析了熱應變產生的主要因素，給出了相應的計算公式。
  12. Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration

    首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。
  13. The pre - stressed arch truss string structure is one of the new pre - stress steel structure styles, because it possessed of rational mechanical feature, it has been used in many national and foreign engineering practices

    預應力張弦拱桁架結構是一種新型的預應力鋼結構形式，由於其受力合理的特點在國內外工程實踐中得到了較多應用。
  14. And these changes will affect the stress and strain of the structure, then the deflection. the deflection upwards exceeding reasonable value will bring difficulty for high speed running and increase the impact effect, causing the intensive shake of the bridge

    混凝土的收縮徐變變形及預應力鋼束的鬆弛是與時間有關的變形性質，它們隨時間的變化會引起結構中應力應變的變化，進而導致結構的撓度變化。
  15. With the improvement in prestressing tendon strength, variations in deformation patterns of rebars, and the necessity of bond deterioration in earthquake - resistant designs, the bond anchorage between reinforcement and concrete has become an increasingly acute issue

    摘要隨著預應力鋼筋強度的提高及鋼筋外形的變化，加之抗震設計必須考慮的黏結退化，鋼筋與混凝土之間的黏結錨固問題愈顯突出。
  16. The current approaches including code methods to calculate stress losses due to anchorage set exist several shortcoming, such as unsuitable to different profiles of tendons or very complicated to compute due to sectional analysis. based on classical theory of friction when tendons are stretched in post - tensioned concrete members, the unified method to calculate the stress losses in tendons due to anchorage set while considering the affection of reverse friction has been established, these formulae are suitable to be used in computer ; also approximate formulae are produced which are suitable to manual computation, they are easy to be applied in research or design

    針對目前預應力鋼筋錨固時鋼筋回縮引起的預應力損失計算方法中存在的問題，建立了考慮反摩阻影響的后張法預應力混凝土橋梁錨固損失的統一計算式，適用於任意形狀的預應力鋼筋和單、雙端張拉的情形；給出了適于機算的理論公式和適于手算的近似計算式，可方便地應用於研究和工程實踐。
  17. An optimal model of pre - stress steel truss is presented based on reliability. the reliability index is replaced by subentry coefficient in optimal model restrict equation, and deal with corresponding restrict conditions with applied expressions. linear programming associated with full - constrained methods are used in this paper, which improve the profit of multi - pre - stress steel structure design and the reliability of structures as well as model and arithmetic

    本文分析考慮可靠性的預應力鋼結構的優化理論，建立了基於可靠性的預應力鋼結構的優化模型，將可靠度指標以分項系數的形式引入優化模型的約束方程當中，以實用表達式形式處理相應的約束條件，並採用線性規劃和滿約束準則結合的方法進行優化，既提高了多次預應力鋼結構設計的效益，又保證了結構的可靠性，模型和演算法更加完善。
  18. In the light of the characteristics that the joint parts between the concrete rigid - frame structure and steel box arch ring of caiyuanba changjiang river bridge in chongqing mainly work as the compressive elements, the design of the parts is carried out by means of improving the steel plates, and the design methods and local details design of prestressing steels are put forward in order to ensure the safety of the bridge structure

    摘要針對重慶菜園壩長江大橋混凝土剛構與鋼箱拱接頭主要為受壓構件的特點，採用改進鋼板形式進行設計，提出預應力鋼筋的設計方法及局部細節設計，確保結構安全可行。
  19. This paper deeply analyses and studies the bridge from the overall arrangement of box beam, substructure design in special geology condition, and the arrangement of priestess wire bundle, combining with the design and construction of two pc

    本文結合兩座中等跨徑預應力箱形連續剛構橋的設計與施工，對該類橋從箱梁結構的總體布置、預應力鋼束的布置以及下部構造設計如何優化進行了深入的分析和研究。
  20. Normally there are hundreds of cables in a continuous beam bridge, especially in an indeterminate structure. and the shape of the prestressing cable is complicated, so it has great difficulties in its drawing

    預應力鋼束因其線形變化多，大都又呈曲線狀，而對于大型復雜的預應力結構，如連續梁橋，往往有幾百根鋼束，幾十種形狀，所以鋼束圖的繪制任務繁重。
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