查询词典 prestressed concrete

Therefore the problem about relevantly durability of prestressed concrete structure is more and more valued by people.

目前，国内外对预应力混凝土结构的耐久性的研究报导较少，对于预应力筋应力腐蚀的研究则刚刚开始。

The main reason that this bridge hasn't been built wildspread is lack of profound structural research and majorized design method. This paper connected with the project Kaziwan Bridge in the Three Gorges Reservoir Zigui County is on the base of the subject"the Research of Committed Technic about Prestressed Concrete Chord-Stayed Truss Bridge".The purpose of this paper is to research the static and dynamic characteristic under different loads,define the value of the design parameter and induce the structural characteristic and majorized design method through creating and analysing the spacy finite element model.

本文以实际工程三峡库区秭归县卡子湾大桥为背景，以湖北省交通厅科研立项课题"预应力混凝土斜拉桁架结构关键技术研究"为依托，通过建立分析空间有限元模型，旨在研究斜拉桁架桥在各种工况下的结构静、动力特性，确定设计中关键性参数的合理取值，并从以上分析研究中总结出斜拉桁架桥基本的结构特性与合理的设计方法。

On the basis of the experimental and theoretical studies, this paper presents atheoretical model for analyzing the torsional strength of prestressed concrete member subjected to torsion-predominant complex loading.

应用变角空间桁架模型和开裂混凝土的"软化"本构关系，针对以扭为主复合受力下的预应力混凝土构件，建立了抗扭强度分析的理论模型，并列出了相应的方程。

The conclusion of this paper can be used in the research of structural characteristic and majorized design of prestressed concrete chord-stayed truss bridge later.

本文分析研究所得结论对今后预应力混凝土斜拉桁架桥结构特性的进一步研究和优化设计具有一定的借鉴作用。

Unboned prestressed concrete lining was infrequent usage in 90th, until it was used in flood and sediment discharge tunnels of the Xiao Lang Di Project first time and filled up the internal blank .

无粘结预应力衬砌技术在国内90年代还鲜有应用，它在小浪底泄洪排砂洞中的提出和成功应用成为国内首创，填补了国内空白。

The Dongping Bridge is a new arcuated built-up system bridges. Half through steel box tied arch and prestressed concrete continuous beam were connected directly, and then the bridge becomes the Cooperation System Bridge with vice-arch.

东平大桥是一种新型的拱梁组合桥，由中承式钢箱系杆拱与预应力混凝土连续梁直接连接形成协作体系，并保留施工过程中的拉杆形成副拱。

Aiming at the light track traffic project in Tianjin crossing over the Tianjin-Tanggu Highway , because of the lower space, the difficult crossing condition, and overcoming the long steel rail force caused by no attemperator on the seamless railway, the project adopts a 4-span prestressed concrete continuous rigid-frame bridge with span arrangement (42+62+62+42)m.

针对天津轻轨交通项目跨越津塘公路工点低净空、跨越条件困难，以及为克服桥上不能设置无缝线路温度伸缩调节器所带来的长钢轨作用力问题，研究采用了42m＋62m＋62m＋42m四跨预应力混凝土连续刚构桥。

A computing method is presented for studying the bending moment, axial force and curvity relationship at the section of prestressed concrete beam.

指出预应力度对弯曲延性的影响，同时提出增加弯曲延性的方法

A computing method is presented for studying the bending moment, axial force and curvity relationship at the section of prestressed concrete beam.

提出预应力砼截面弯矩－轴力－曲率关系的计算方法，并计算了不同预应力度下截面的弯矩－曲率关系。

According to the results of the study, the prestressed concrete structure can also be designed with well ductibility as long as appropriate design was done, and it can fully withstand the impact load.

从研究的结果来看，预应力混凝土结构只要设计合理，预应力混凝土结构也完全可以设计成延性的，也完全可以承受冲击荷载。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐