为保证预应力构件的抗拉强度,对于预应力损失的控制是预应力施工中的关键。
In order to ensure tensile strength of prestressed member, the controlling prestress loss in construction is a key.
对无粘结预应力施工进行了详细的论述,并着重论述了预应力构件的防腐保护措施。
The detailed discussions were focused on the prestress construction, especially on the protection measures against erosion.
文章从冷轧带肋钢筋在住宅建设上的应用着手,介绍了冷轧带肋钢筋具有特点,在预应力构件中基本取代常用的钢筋。
This article, on the basis of cold-rolled ribbed steel bars in residential buildings, introduces their characteristics and replacement of ordinary steel bars in pre-stressed unit.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”,影响着构件的外观、使用寿命,甚至结构安全。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
分析和研究了预应力加固轴心受拉和轴心受压构件的计算方法、优化加固设计及其应用。
The calculating method, optimum strengthening design and application of axial tension and compression members strengthened by prestressing is analyzed and discussed.
曲线箱形梁桥是空间复杂受力的结构体系,预应力效应一方面能提高构件的承载能力,另一方面也可能对结构带来一些不利的影响。
Curved box girder bridge is a complicated spatial structural system. The effect of prestressing may improve the bearing capacity of the members, but may also adversely affect the structure.
介绍了高流态自密实砼的性能、配合比设计方法及其在中等强度等级预应力受弯拉砼构件中的应用试验及测试情况。
This paper introduced the characteristics of high dense fluid concrete, design of batching ratio, the experiment and test of bent concrete component in medium hardness prestress.
对于任意程度的预应力混凝土构件均适用。
It is suitable for prestressed concrete components with different degrees.
针对预应力混凝土构件的正截面疲劳开裂机理与静力开裂机理的差异。
The difference of mechanism between normal section fatigue crack resistance and static crack resistance for prestressed concrete members was analyzed.
该模型综合了变形、能量累积以及荷载历程对预应力混凝土构件损伤-破坏的影响,对不同的地震模式有更好的适用性。
This model synthesizes the effect of distortion, energy accumulation, and loading history to damage-failure of prestressed concrete member, thus may be applied to different earthquake patterns.
本文提出了部分预应力砼构件基于两类极限状态直接控制的设计方法,并给出了具体的设计公式和设计步骤。
The authors put forward a design method of Partially Prestressed Concrete members, Which is based on the direct Controlling of two Kind of limit state and also the design formula and design steps.
预应力全过程主要包括通过向与混凝土构件有关的筋施压从而达到向整合混凝土结构施加压力的目的。
The process of prestressing consists in applying forces to the concrete structure by stressing tendons relative to the concrete member.
本文根据砼的双轴强度特性,导出了预应力受扭构件抗裂度提高系数的表达式。
The expression of coefficient of increase in cracking resistance in prestressed torsional members is derived on the basis of concrete characteristics under biaxial strength.
目的研究具有外环桁架的肋环型索穹顶的构件布置和特点,提出确定初始预应力分布的快速计算法。
The purpose of this paper is to investigate characters, initial prestress distribution and its quick calculation method of Geiger dome with outer truss torus.
文章叙述了该构件的预应力张拉技术、现场生产流水线、吊装施工技术及防水处理方法。
This paper explains the prestressing expansion technique, in site producing flow line, hanging construction technique and water proof treatment method.
本文介绍了采用石灰、粉砂为主要原材料生产灰砂预应力多孔板构件的最新研究成果。
In this paper the results of recent investigation on prestressed lime-sand concrete hollow panel with lime and powdery sand are given.
阐述一种分析部分预应力混凝土B类构件应力的方法。
The paper expounded a method to analyzing B parts stress of portion prestressed concrete.
在此基础上,基于分段线性的原理,对高性能粉煤灰预应力混凝土受弯构件进行了疲劳损伤的全过程非线性分析。
Preceding works basis, a full-range nonlinear analysis of fatigue damage with the principle of piecewise linearity on flexural member of prestressed concrete is studied.
大跨度超长薄壁构件的预应力拱形屋盖是将室内顶棚与屋面板两者合一的新型结构。
The large span and over long and thin wall and prestressed arch roof is a new type structure of combining indoor top and roof plate.
预应力圆孔板是被广泛采用的一种楼面构件。
Prestressed concrete hollow-core slab is a widely used structural element.
该方法把无预应力混凝土与预应力混凝土构件、简单梁与组合截面梁的设计理论和方法统一起来。
The method unites non-prestressed concrete and prestressed concrete, simple beam and combining section beam in designing theories and methods.
研究腐蚀溶液浓度及腐蚀时间对预应力混凝土构件各项力学性能的影响规律。
The rules of liquor's consistency and soaking time working on various mechanical performance of prestressed concrete members are arrived.
本文讨论和分析了在先张预应力混凝土构件中混凝土和光面高强钢丝之间的握裹和锚固应力的情况。
In this paper, bond and anchorage stress conditions between concrete and high-strength smooth wire for pre-tensioned concrete members are discussed.
提出了一个经验公式,大大简化了预应力混凝土构件长期反拱的精确计算工作。
An empirical formula, which greatly simplifies the calculation for long-term camber of prestressed concrete members was presented.
本文针对钢管混凝土核心柱这一新型构件形式,提出在预应力混凝土框架中应用这一新型构件。
The concrete-filled steel tubular core column, which is a new type of member, has been proposed to be applied to prestressed concrete frames in this paper.
计算UPPC梁(板)的抗弯强度,关键是确定构件在极限承裁能力时无粘结预应力筋的极限应力值。
The key of calculating flexure strength of UPPC beam is to determine unbounded prestressed tendons ultimate value when the components are under their ultimate load ability.
在修正斜压场理论的基础上,模拟一系列预应力混凝土试验构件。
Based on the modified diagonal compression field theory, a series of prestressed concrete beams were simulated.
装配式整体预应力板柱结构是采用预制的钢筋混凝土楼板和柱作为主要的受力构件,通过整体张拉预应力钢筋而形成的板柱结构体系。
Slab-column structure assembled by monolithic prestressing is a type of structure system in which prefabricated reinforced concrete slabs and columns are main members bearing load.
通过对预应力混凝土受弯构件的受力分析,提出了预应力混凝土受弯构件中预应力钢筋代换的基本方法。
By analysing the force of pre-stressed steel in prestressed concrete bending component, the change method of prestressed steel in prestressed concrete are introduced.
通过预应力混凝土迭合板的现场加载试验,探讨此类构件的变形承载能力及存在的抗裂设计问题。
Through the load experiments in-situ, the deformation and bearing capacity of the prestressed composite plate are studied, and the problem of the crack resistance design is also discussed.
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