pre-stressed

Analyzing the reason of concrete crack under anchorage device of post-tensioning pre-stressed concrete hollow slab

后张预应力混凝土空心板锚下混凝土裂缝原因分析

互联网摘选

The Vertical Bearing Capacity and Settlement Analysis of the Pre-stressed Concrete Pipe Pile Causes of vacuum reduction of condenser of steam turbine and on-line handling

预应力混凝土管桩的承载机理研究及沉降分析汽轮机凝汽器真空度降低的原因及在线处理

互联网摘选

Using the C program language, workout the program of calculating the area of reinforcing steel bar and checking the ultimate of the kind of pre-stressed reinforced concrete hollow slab, which provides the compute program for the design and check of the post-post-tensioning pre-stressed reinforced concrete hollow slab.

采用C语言编制后张预应力混凝土空心板的配筋及承载力计算程序，为后张预应力混凝土空心板的设计和验算提供电算程序。

互联网摘选

The reinforced technique of pre-stressed fibre cloth is a renovation to traditional reinforced method of affixed fibre cloth. It can fully bring the fibre cloth with high intensity into play, and improve the performance of reinforced concrete structure in the extreme.

纤维布预应力加固技术是对传统简单粘贴纤维布加固技术的革新，它能充分发挥高强纤维布作用，极大地改善被加固混凝土结构的性能。

互联网摘选

The size of pre-stressed and elongation should be equal to the thermal stress and inflation elongation when heated, this is the essence of the pre-stressed cementing technology.

预应力与预伸长的大小，应与套管受热时产生的热应力和膨胀伸长相等，这就是预应力固井技术的实质。

互联网摘选

Based on the case analysis on pre-stressed tubular pile construction in Shantou district in these years, according to the characters of engineering geological condition and working experience, some discussion on design and construction of pre-stressed tubular pile are made.

通过对汕头地区预应力管桩历年来的施工实例资料分析，根据汕头地区工程地质条件的特点和实践经验，对预应力管桩的设计、施工提出几点探讨性意见。

互联网摘选

Theoretic Analysis and Calculation of Reinforced Concrete Beams Affixed with Pre-stressed Steel Plates

预应力粘钢加固钢筋混凝土梁的理论分析计算

互联网摘选

Compared pre-stressed concrete with common armored concrete, illustrate the merits of pre-stressed concrete, and analyze the correlative influence factor of the loss of pre-stressed concrete stress, advance corresponding game of influence factor that could be control with the loss of minish pre-stressing force.

文中就预应力混凝土与普通钢筋混凝土进行了对比，说明预应力混凝土的优点，并对引起预应力混凝土应力损失的几个相关影响因素进行了分析，提出了减小预应力损失的可控影响因素的相应对策。

互联网摘选

The approach spans of Fumin Bridge in Shenyang are composed of 30-m span pre-stressed concrete continuous rigid-frame structures, of which the main girder is designed as triple cells single box section of constant height, and of long cantilever and inclined webs.

沈阳市富民桥引桥为跨径30m预应力混凝土连续刚构，主梁采用大悬臂斜腹板箱形断面，单箱三室等高度箱梁，桥墩采用双壁墩，桥台采用肋板式桥台。

互联网摘选

Pre-stress steel structure, a new type of structure in which combine pre-stressed with steel structure. Adding some high strength bar in steel structure, and forcing these bars pre-stress can improve the structure capability, reduce the structure weight.

预应力钢结构是一种将预应力与钢结构相结合的新型结构，就是在钢结构中增加某些高强度杆件，并且对这些杆件施加预应力，使其达到改善结构性能，降低结构自重等作用。

互联网摘选

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.

预应力张弦拱桁架结构是一种新型的预应力钢结构形式，由于其受力合理的特点在国内外工程实践中得到了较多应用。

互联网摘选

It is the key to anchor the pre-stressed steel strand in unbonded pre-stressed concrete beam.

无粘结预应力混凝土梁预应力钢绞线的锚固是梁建立预应力的关键。

互联网摘选

The relationships between concrete cube compressive strength and the axial compressive strength, splitting tensile strength, modulus of elasticity were established, which provides a reference for the application of manufactured sand concrete in pre-stressed concrete bridge engineering. 3.

建立了机制砂混凝土的立方体抗压强度与轴心抗压强度、劈裂抗拉强度、弹性模量的换算关系式，为机制砂混凝土在预应力混凝土桥梁工程中的应用提供了参考依据。

互联网摘选

The utility model relates to an anchor backing plate with a round end surface, which belongs to the technical field of the pre-stressed anchorage device.

本实用新型是涉及预应力锚具技术领域，尤其是一种圆端面锚垫板。

互联网摘选

Study of automatic welding system of pre-stressed steel-concrete compound pipe

预应力钢筒混凝土复合管自动焊接系统的研制

互联网摘选

The pre-stressed truss shell system is a new-style spatial hybrid tension structure developed on the basis of beam string structure.

以长江防洪模型试验大厅为工程背景，介绍了一种新型大跨空间结构体系：预应力网壳-拉杆拱组合结构。

互联网摘选

In addition, through the model experiment of pre-stressed rectangular square pyramid composite space truss, the correctness of characteristics of internal force and the feasibility of tension recovery method are proved.

另外，通过正放四角锥预应力组合网架的模型试验，验证了结构内力分布特点的正确性以及张力松弛法的可行性。

互联网摘选

Experimental study on behavior of pre-stressed concrete under flexural tension-compression fatigue loading endurance limit on base

预应力混凝土弯曲拉-压疲劳性能试验研究对称的应力换向循环下的疲劳极限

互联网摘选

Combining with the practice of Taomuling high pier bridge, this article introduces the application of pre-stressed steel bar frame and pre-stressed steel reinforcing bar in bridge construction.

结合桃木岭高架桥，介绍预应力钢桁架和预应力筋拉杆在桥梁施工中的应用。

互联网摘选

FEA of Pre-stressed Anchor Device under Stress and Dimension and Material Optimum of Anchor Head; "Anchorage, grip and coupler for prestressing tendons"

预应力锚具受力过程的有限元分析及锚圈的尺寸和材料优化GB/T14370-1993预应力筋用锚具、夹具和连接器

互联网摘选

Construction technology of BIG-SPANNED cast-in-situ pre-stressed hollow floor applied to Beijing Television Center Project

大跨度现浇预应力空心楼板施工技术在北京电视中心工程中的应用

互联网摘选

Application of beamless GBF non-bonding pre-stressed cast-in-situ concrete floor slab system

无梁GBF无粘结预应力现浇混凝土楼板体系应用

互联网摘选

The paper takes Dongjiang Fourth Bridge in Huizhou city as an example for searching for the influence of Pre-stressed strand arrangement on the craze of box girder. By using great Finite-Element analysis ANSYS special part model of box girder have been built up through adopting three-dimensional body element.

为了探求预应力的布置对箱梁开裂的影响，以惠州市东江四桥为例，利用大型有限元程序ANSYS，采用三维体单元建立箱梁节段空间局部模型。

互联网摘选

Pre-stressed Concrete Roof Structure Design of the Culture& Sport Center of Chongqing International School

重庆国际学校文体中心预应力混凝土屋盖结构设计

互联网摘选

The structure of high efficiency pre-stressed concrete, through development history of 100 years, has already been widely applied to civil engineering, bridgework and anti-settlement engineering with its high structural performance and good economical efficiency.

高效预应力混凝土结构，经过近100年发展历史，以其优越的结构性能，良好的经济性，已被广泛应用于建筑工程、桥梁工程以及抗渗工程中。

互联网摘选

However, the studies on optimization design of lattice beams with pre-stressed anchors, the stress distribution law in the slope and the safety factor calculation of the slopes after reinforcement are very rare.

然而，目前对预应力锚索格构梁优化设计、边坡体内附加应力的分布规律以及加固后边坡安全分析方法研究甚少。

互联网摘选

With grouting-bolting as the kernel, pre-stressed anchor rope and anchor as the auxiliary structure, the three-bolting combined supporting system combining pressure-relief technology of roof control and laneway floor heave control technology solved the supporting stability problem in deep-seated soft rock roadway.

通过以锚注为核心，预应力锚索和锚杆为辅助支护结构的三锚联合支护技术，结合控顶放压技术和底臌控制技术解决了深部软岩巷道的稳定性控制问题。

互联网摘选

In large and medium scale water conservancy projects and prevention treatment of natural disaster projects, the anchorage treatment is often conducted adopting pre-stressed anchorage rope hole for high slopes and dangerous cliffs.

在大中型水利工程和自然灾害防治工程中，对高边坡及危崖体常采用预应力锚索孔进行锚固处理。

互联网摘选

Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.

核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构，是特殊环境条件下的重点防护目标。

互联网摘选

Under the vertical and horizontal force action the connections of frame on bi-direction compression enhanced joint stiffness and increase crack resistance in the core areas; by the theoretical derivation we get the anti-cracking checking formula of the pre-stressed prefabricated concrete frame joints.

在竖向和水平力的作用下，框架节点处于双向受压状态，节点刚度和核芯区抗裂性得到增强，理论推导出预压装配式框架节点的抗裂验算公式。

互联网摘选