预应力

大跨度PC桥竖向预应力设计探讨

Research on the Vertical Prestress Design of Long-span PC Continue Beam Bridge

预应力技术是充分发挥FRP复合材料高强性能的一条有效途径。

Prestress technology is an effective way to use the high strength of FRP composite .

预应力U形薄壳渡槽属于薄壁梁结构。

Prestressed U-shaped thin shell aqueduct belongs to the thin-wall beam construction .

采用VISUALBASIC语言编制了预应力肋梁柱锚杆支挡结构设计计算程序。

The program of the design and calculation of the pre-stressed anchor supporting structure with beam and column is written with the language Visual Basic .

大跨度预应力V形折板屋盖

Large-span prestressed V-shape folded-plate roofs

预应力FRP套筒在补强混凝土柱中的应用

Application and Measures of Prestressed FRP Sleeve in Strengthening the Concrete Column

高强度预应力钢丝在饱和Ca（OH）2+NaCl环境中的应力腐蚀开裂

Stress corrosion cracking of a high strength prestressing steel wire in saturated ca ( oh ) _2 + nacl solutions

预应力FRP筋锚具的研究与发展

Studies and Application on anchorages of prestressed FRP Tendons

应用有限元理论，借助于Ansys分析软件对此结构进行内力分析，在此基础上对结构进行预应力配筋。

Using the finite element theories , it makes use of software Ansys doing internal force analyze of this structure .

预应力CFRP加筋土技术原理研究

Principles of CFRP Prestressed Reinforced Earth Technology

PTC预应力管桩在软土地基处理中的施工工艺

Construction technology of Prestressed Tubular Concrete ( PTC ) pile in soft soil foundation treatment

预应力雁形板是在V型折板的基础上发展起来的一种新型梁板合一屋盖结构。

Prestressed bird shape plates are a new type of roof structure consisting of a beam plate combination developed on the basis of V type folded plates .

预应力（KP1）砖墙的抗裂、变形、延性与耗能试验研究

Experimental study on anti-cracking , deformation , ductility and energy of prestressed KP_1 brick-wall

碳纤维筋应用于预应力结构，其锚固问题是需要解决的重要问题，对CFRP预应力筋的锚具进行专门的研究很有必要。

The anchorage problem of CFRP bars has to be solved if it is to be used in the prestressed structures .

预应力双曲抛物面索网因其几何非线性而使精确求解困难。作者将配线法与Galerkin法结合使用计算该类具有复杂底平面的索网结构。

Collocation line-Galerkin method of weighted residuals is employed to analyse hyperboloid cable network structure with complicated basal plane .

阐述了作用于PC轨道梁桥结构上的荷载，曲线PC轨道梁的内力计算，预应力计算，应力计算及组合。

The article have expounded the load acting on PC single track beam , and the calculation of curved PC single track beam including force , prestress and the stress etc.

结合一座PC连续刚构桥的徐变分析，对中国《公路钢筋混凝土及预应力混凝土桥涵设计规范》徐变系数的计算和应用进行分析探讨。

In association with structural creep analysis of a PC continuous frame bridge , several aspects on calculation and application of the creep coefficient introduced in China standard of highway PC bridge are analysed .

文章结合工程实例介绍在实验室及现场同条件下预应力混凝土用PVC塑料波纹管的检测技术及试验方法。

With some engineering examples , this article introduces some testing techniques and methods of PVC plastic corrugated pipe used in prestressed concrete , both in labs and on the spot .

目前国内外已有的研究主要包括预应力CFRP板锚具研究、预应力CFRP板加固混凝土梁试验研究、预应力CFRP板加固混凝土梁非线性有限元分析以及预应力CFRP板加固混凝土梁理论研究等4个方面。

Present investigations on prestressed CFRP laminates mainly focus on anchorage system , experimental and theoretical studies as well as nonlinear element analysis of strengthened concrete beams .

同时运用动力学突加荷载的原理，推导分析了预应力钢绞线式（钢棒连接式）落梁防止装置设计承载力的计算方法和设计伸长量SF的取值；

At the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling-off prevention structures of highway bridges .

用静载和疲劳试验的方法，研究了DTS－1型预应力混凝土轨枕的承载能力，并分析了设计截面的合理性。

By static and fatigue test , the load-bearing capacity of DTS-1 prestressed concrete sleepers is studied and the reasonableness of its designed cross-section is analysed .

文章介绍了30m大型屋面梁采用无粘结预应力时的施工及检测。

The paper introduced the construction and check of room beam with 30 metres long when it was used with the way of no-cohere prestress .

总跨度36m预应力屋面梁事故分析与加固处理

Analyses of cracks on prestressed concrete roof beams and strengthening measures about 36m of total spans

对比分析了中外预应力钢丝钢绞线用线材标准，并从用户的观点出发提出了PC线材的5个技术要求和希望。

The standards of wire rod for PC steel wire and strand at home and abroad are compared and analyzed , and five items of specifications for PC wire rod and the hope are put forward from the view of consumers .

按照正常施工的张拉顺序对30m装配式后张法预应力混凝土空心板梁进行了张拉试验及锚下有效预应力检测。

The experiment of the tensioning of the 30m post tensioning prestressed concrete hollow slab on the order of normal construction was simulated by the Analysis soft ANSYS .

采用一种新型的纤维布预应力锚固和张拉方法，可将CFRP的应力张拉到1600MPa以上，锚固、张拉的各项指标均比较理想。

By the method of pre-stressed fiber cloth introduced in this article , the stress of CFRP can be tensioned to above 1600 MPa , meanwhile , all parameters of anchorage and tension are very perfect .

对研制的27m门型预应力钢纤维混凝土杆塔进行了真型模拟试验研究。

A full-scale experimental study has been carried out on the 27 m high portal double prestressed steel fiber reinforced concrete poles .

通过ANSYS中的单元生死功能，考虑自重、悬浇预应力、合拢预应力的影响，对最大悬臂状态施工阶段的曲线刚构空间应力、变形进行了分析，着重研究曲率、墩高的影响。

By using the function of element 's birth or death in ANSYS , the influences of self-gravity and prestressing force on the curved rigid frame bridge in construction phase is researched , the paper also further discusses the main parameters such as curve radius and the height of pier .

双旗帜型（Flag-Shaped）的滞回模型更加典型，并且能反映预应力钢结构节点和磁流变阻尼器的力位移特性。

The Flag-Shaped hysteretic model is more typical , and can also reflect the force-displacement characteristics of the prestressed steel nodes and the magneto-rheological damper .

笔者对为青藏线设计的32m铁路预应力活性粉末混凝土单箱单室箱梁进行了有限元分析，对其剪力滞分布规律进行了研究，并且分析了不同工况对梁剪力滞效应的影响。

The shear lag of a 32 m reactive powder concrete single-box and single-cell bridge designed for Qing-Zang railway is analyzed by 3-dimensional finite element method and the impacts of different loading arrangements on its shear lag are discussed .