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concrete     
相关语句
  混凝土
    CALCULATION AND ANALYSIS OF STATOCS AND DYNAMICS IN CONTINUOUSLY REINFORCED CONCRETE PAVEMENT
    连续配筋混凝土路面静动力学计算与分析
短句来源
    Research on Structure of Continuously Reinforced Concrete Pavement
    连续配筋混凝土路面结构研究
短句来源
    Nonlinear Analysis of the Structural Behavior of Prestressed High-Strength Concrete Box-Section Continuous Beam
    预应力高强混凝土箱型连续梁结构行为的非线性分析
短句来源
    Research on Making and Application of Carbon Fiber Electrically Conductive Concrete for Deicing and Snow-melting
    融雪化冰用碳纤维导电混凝土的研制及应用研究
短句来源
    Study on Cement Concrete Pavement Cracking Mechanism and Damaged Process
    水泥混凝土路面开裂机理及破坏过程研究
短句来源
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    Inquiry into Shear Strength of Prestressed Concrete Beams
    预应力梁斜截面抗剪强度公式探讨
短句来源
    Creep Analysis of Composite Structure of Steel and Concrete
    钢与结合梁的徐变分析
短句来源
    Flexural and Fatigue Performance of Steel Fiber Reinforced Concrete for Use in Pavement
    路用钢纤维抗折疲劳特性研究
短句来源
    Parameters Choice of Machinery and Equipments in Asphalt Concrete Road Compaction
    沥青路面及压实参数的设备选择
短句来源
    Inquiry into the Strength of Partially Prestressed Concrete Beams
    部分预应力梁抗剪强度新探
短句来源
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  钢筋混凝土
    Analysis on Mechanical Behavior of Reinforced Concrete Beams with Externally Bonded CFRP
    碳纤维加固钢筋混凝土桥梁复合结构的力学行为分析
短句来源
    Study on Second-Order Design Method for Reinforced Concrete Rib Arch
    钢筋混凝土肋拱二阶设计方法研究
短句来源
    Study on the Explosive Damage and Emergency Repair Technique of the Pile Wharf with Reinforced Concrete Plate and Beam
    钢筋混凝土桩基梁板码头爆炸毁伤及抢修技术研究
短句来源
    A Study on Some Topics of Reliability Assessment for Existing Reinforced Concrete Bridges
    既有钢筋混凝土桥梁可靠性评估的若干问题研究
短句来源
    Effective Width Analysis of Load-distribution of Reinforced Concrete Continuous Plate Bridge
    钢筋混凝土连续板桥荷载有效分布宽度的分析
短句来源
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  水泥混凝土
    Study on Cement Concrete Pavement Cracking Mechanism and Damaged Process
    水泥混凝土路面开裂机理及破坏过程研究
短句来源
    Study of Concrete Pavement Materials and Structure under Heavy-load Transportation
    重载交通水泥混凝土路面材料与结构研究
短句来源
    Study on the Crack Mending Materials of Cement Concrete Pavement
    水泥混凝土路面裂缝修补材料研究
短句来源
    Research on Structure of Asphalt Overlay on Old Concrete Pavement
    旧水泥混凝土路面沥青加铺层结构研究
短句来源
    Study on Exposed-Aggregate Cement Concrete Pavement
    露石水泥混凝土路面研究
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      concrete
    We give some concrete examples of MRA wavelet sets in the plane.
          
    The main result provides a concrete method of connecting certain pairs of wavelet sets.
          
    For the S1 we exhibit concrete examples of admissible Gabor atoms which are very closely related to uncertainty minimizing states.
          
    And some concrete fuzzy functions demonstrate our conclusions.
          
    Using the general model and a two-stage fusion strategy presented in this paper, a concrete multimodal VAD system is built.
          
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    In the present, under pressure of practical requirements, the technie of prestressed concrete has been extensively investigated theoretically and experimentally. All those investigations are many useful to ours for further investigation of prestressed concrete, this paper is depending upon the reports of second international congress of prestressed concrete and to introduce some problems on prestressed concrete about grouting, stress-corrosion and moment redistribution.

    目前,由于实际的需要,预应力混凝土技术已有广泛的理论和实验研究,这些研究都是有助于我们对预应力混凝土的进一步研究,本文即根据第二届国际预应力混凝土会议的报告,介绍预应力混凝土中关于灌浆,应力腐蚀及力矩重分布的一些问题。

    In recent years, Prestressed Concrete long piles are universally adopted. Last year such kind of pile with length up to 27~M have been produced in this country. Now in order to meet the requirements of Shanghai Harlour works and Yangtze River Bridges, we work out a new type of prestressed concrete hollow pile of 36~M long, with a cross-section, of 55 cm square (inner diameter 40 cm.) By using temporary prestressing fittings on pick points with automatic adjustment for prestress, the pile is suitable for...

    In recent years, Prestressed Concrete long piles are universally adopted. Last year such kind of pile with length up to 27~M have been produced in this country. Now in order to meet the requirements of Shanghai Harlour works and Yangtze River Bridges, we work out a new type of prestressed concrete hollow pile of 36~M long, with a cross-section, of 55 cm square (inner diameter 40 cm.) By using temporary prestressing fittings on pick points with automatic adjustment for prestress, the pile is suitable for two points pick, which gives great facilities to handling and transpotation. Besides, 18% of steel saving can still be made. This paper only presents the principle and calculations. The testing results will be given later.

    年来预应力混凝土长桩在各国已广泛采用,我国在去年大躍进中亦已试行生产应用,长达27公尺,最近我校预应力混凝土桩科研小组在响应党的的科研结合生产的号召下,为上海码头工程及长江大桥工程进行36公尺的预应力混凝土长桩研究,并提出一种新的型式,既可节省18%的钢筋又可允许用两点吊运,这将给予施工方面极大便和。现在与上海筑港局协作进行试制与试验,兹特将原理部分报导,希望大家提出意见以便修正改进,至其试验报告则将于以后陆续发表。

    In the past, camber, of prestressed concrete beam was computed by approximate method, i, e, neglecting the prestressed force applied at both ends of beam. This paper proposes comparatively an exact method of camber calculation, with tendon form of parabola and straight line for comparison. The author tried sucessively to separate prestressed loss between creep of concrete and relaxation as well as slip of tendon. Theoretical formulae for computing these losses are presented in this paper.

    计算予应力钢筋混凝土反挠度一般采用近似方法,由于张拉力Hnp所引起反挠度可以忽略不计。本文目的在于推导更精确计算反挠度的公式并考虑予应力钢筋混凝土梁中不同钢丝束的布置方式来进行反挠度计算的比较。同时在管道中未压浆之前推导了计算钢筋混凝土徐变与钢丝滑动与徐舒所引起的予应力损失的公式。

     
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