prestressed steel 中文意思是什麼

prestressed steel 解釋
預應力鋼材
  • prestressed : 安裝預應力
  • steel : n 1 鋼,鋼鐵。2 鋼製品;刀,劍,打火鐮;(女人胸衣等中的)松緊鋼條[絲];鋼磨;〈美國〉剃刀,小刀...
  1. Considering to the continuous rigid - frame bridge construction characteristic, putting forward the idea of reverse to optimize prestressed steel. according to different construction phases, the paper gets the formual of the cantalever phase, join two section of a bridge phase and the vertical prestressed steel, and works out corresponding program

    考慮大跨徑預應力混凝土連續(剛構)橋施工的特點,提出了基於倒裝方法的預應力靜定束、合龍束以及豎向束的優化設計理論,並編制了相應的計算程序。
  2. Hot rolled wire rods for prestressed steel wires and wire ropes

    預應力鋼絲及鋼絞線用熱軋盤條
  3. Reliability analysis of prestressed steel structural system on fosm

    法的預應力鋼桁架系統可靠性分析
  4. Friction sliding cable element for structural analysis of prestressed steel truss

    預應力鋼桁架結構分析中的摩擦滑移索單元
  5. Pk prestressed composite slab is a new composite floor structure by improving the traditional prestressed composite slab, its precast slab is a prestressed ribbed panel of which prestressed steel is a spiral ribbed high - strength wire, which make the precast component a higher stiffness and buckling capacity

    本文研究的pk預應力疊合樓板是通過不斷改進傳統預應力疊合板后研製的一種新型疊合樓板結構,其預制構件為帶肋薄板,預應力筋採用螺旋肋消除應力高強鋼絲。
  6. The slip between the concrete slab and the steel girder of complete - shear - connection prestressed steel - concrete composite beams is small enough to justify the assumption of complete interaction between the interface under service load

    按完全剪力連接設計的預應力組合連續梁的界面滑移很小,在正常使用階段,可以認為組合截面整體共同工作。
  7. 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。
  8. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法,著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  9. In engineering construction, the unbonded tendons can be laid within moulding board like non - prestressed steel according to the designing requirements and can be tensioned and anchored when the concrete reaches designing strength

    在施工時,無粘結筋可如同非預應力鋼筋一樣,按設計要求鋪放在模板內,待混凝土達到設計強度要求后,再張拉錨固。
  10. In this article the prestessed loss in the prestressed concrete structure will completely be analyzed in the theory. combining with the fourth - hanjiang bridge of xiang - shi freeway in hubei province, the prestressed friction loss of the prestressed steel rope is analyzed ideally and researched experimentally

    本文從理論上對預應力混凝土結構預應力損失做了全面地分析,結合襄樊漢江四橋建設工程,對橋梁預應力鋼索的預應力摩阻損失進行了理論分析和試驗研究。
  11. Abstract : based on the fundamental theory of computation of the cable - prestressed steel trusses established in paper 1, the iterative perturbation formulas which inversively determine the stiffenesses of elements of steel trusses and cables with the restraint of vertical displacements of the truss are put forward on matrix perturbation principle

    文摘:基於文1所建立的拉索式予應力鋼桁架基本計算理論,根據矩陣攝動原理進一步給出了以豎向結點位移為約束反演確定任意布索張拉予應力鋼桁架單元剛度和拉索剛度的攝動迭代公式。
  12. Study on bending capacity of prestressed steel - concrete composite beams

    混凝土組合梁的抗彎承載力研究
  13. Prefabrication quality control of prestressed steel concrete t girder construction

    梁施工預制質量控制
  14. Prestressed steel - concrete composite beams are widely applied in the high buildings, wide - span structures, bridges and special type structures etc. which have a good prospects

    預應力鋼-混凝土組合梁在大跨、高層建築,橋梁工程和特種結構等領域得到了廣泛應用,具有遠大的發展前景。
  15. Low - relaxation prestressed steel wire is one kind of high degree of strength steels, and it is well used in construction industry. this paper based on the product technics, analysis the electric control system in detail. this thesis focuses on the control of the temper temperature, which is the core technics parameter

    低鬆弛預應力鋼絲是一種很有前途的高強度建築用鋼材,本文根據低鬆弛預應力鋼絲穩定化處理生產線的工藝要求,對其電氣系統進行了全面、細致的分析,對重要的工藝參數?回火溫度的控制進行了詳細討論。
  16. After having deduced the combined stiffness matrix considering the contribution of concrete, tendons and non - prestressed steel, a novel mixed analysis method ( mam ) based on finite element ( fe ) and asum to analyze time - dependent stress redistribution and structural internal force redistribution due to creep and shrinkage in pc bridges is presented. the obvious advantage of this method is that all time - dependent factors, which are took into account in asum, need not to be considered in fe, thus the accuracy of mam can be easily guaranteed by fe and asum, respectively. this method opens a new approach to analyze creep and shrinkage both conveniently and precisely

    該法的特點是,有限元法列式中不考慮與時間效應有關的影響因素,僅完成彈性分析功能,所有與時間效應有關的影響因素均在全量形式自動遞進法中考慮;因此,混合分析法的計算精度可通過各自獨立的兩方面來保證:有限元法彈性效應分析的精度和全量形式自動遞進法時變效應分析的精度,為方便、準確的徐變效應分析提供了新途徑。
  17. In order to avoid damage the surround of the prestressed steel by friction with the ground when steel piling up, the drawing drum shall be made for the steel use and it is required to most possibly avoiding its friction with ground

    回答:為避免堆放時預應力筋與地面摩擦而損壞包裹層,應製作放線盤放料,沿下料方向應盡量減少與地面接觸。
  18. Theoretical analysis of neutral axis height of prestressed steel reinforced concrete beam

    預應力型鋼混凝土梁開裂截面中和軸高度分析
  19. At first, the soft of bridge structure, gqjs, is used to calculate the structure of prestressed concrete continuous beam bridge and the deformation and stress of the concrete box beam are given out ; then by measuring and analyzing the datum of the stress in the prestressed steel rope and the stress of section in the concrete box beam, this article presents two ways to identify the reasonable friction deviation factor k between longitudinal prestressed tendons and the wall of duct ( indirectly and directly ), and discover the regular pattern of prestressed friction loss

    首先運用橋梁結構分析專用軟體gqjs對預應力混凝土連續梁橋進行結構計算,得到了各施工工況下混凝土箱梁的撓度和截面應力;然後給出了識別引起結構預應力損失的孔道偏差系數k的兩種方法(間接法和直接法) 。通過對測得的預應力索沿程應力和混凝土箱梁截面應力數據的分析處理,得到了合理的預應力孔道摩擦偏差系數及預應力摩阻損失規律。
  20. Based on the preceding theory and experiment researches, prestressing effects of prestressed steel - concrete composite continuous beams are mostly analyzed and discussed in this paper

    基於前人理論與試驗研究的基礎上,本文主要探討預應力組合連續梁的預加力效應。
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