Using the inherent preload stress to repair the deflection of bridge crane beam has been applied more andmore in recent years.
用预应力法修复桥式起重机主梁下挠,近年来得到了较为普遍的应用。
In light of some shortages lying in the actual design methods of statically indeterminate prestressed concrete structures, and taking advantages of equivalent load method and method based on degree of prestress, a unified design formula is established, which fits for the design of all kinds of statically indeterminate prestressed concrete structures.
针对目前预应力超静定结构设计方法中存在的不足,结合荷载平衡法与"预应力度法"各自的优点,提出了适合各类抗裂要求的预应力超静定结构的统一设计公式。
This text introduced the variety techniques of reinforce,and combine example of engineering emphasize to discussed the characteristics of the method of reinforced by Enlarge section and the method of reinforced by prestressing tendon.
介绍了多种钢筋混凝土结构的加固技术,并结合工程实例着重论述了增大截面加固法和预应力加固法的特点、适用范围等。
Construction technology of post-tensioned prestressing hollow beam of some bridge is a method of bridge conformation construction.
某桥后张法预应力空心梁的施工工艺是一种桥梁上构施工方法,总结预应力张拉的监控要素和重点工序、技术,可为公路建设中出现的其他后张法桥梁提供一定的指导作用。
pore lay-out,steel bar through,tensioning and jacking in post-tensioned prestressing of bridge construction.
文章主要阐述了后张法预应力在桥梁施工中孔道设置、穿束、张拉、压浆等关键工序的施工和质量控制,并介绍了千斤顶活塞伸长值的理论计算方法。
The post-tensioned prestressing technology was adopted in the construction of heavy tee girders with 44m span of Shanghai Yangpu Bridge.
本文以上海杨浦大桥44m 跨 T 形梁的预制施工为例,提出了重型构件采用后张法预应力技术时对模板、钢筋、混凝土和浇筑工艺的要求。
finsterwalder prestressing method
以自重桥梁结构预应力法
post-tensioned prestressing concrete beam
后张法预应力混凝土梁
pretensioning prestressed concrete
先张法预应力混凝土
post tension concrete
后张法预应力混凝土
The post tensioned prestressed construction control points of prestressed concrete box beam
预应力混凝土箱梁后张法预应力施工控制要点
Post-tensioning Producing Method of the Prefabrication of 40 m Prestress Box
后张法40m预应力箱梁预制施工技术
Prestressing Force Control in Prefabricating Cored Slab Using Pretensioned Method
关于先张法预制空心板的预应力控制
The Application of the Post-tensioned Binder-free Prestressed Hollow Floor-plate
后张法无黏结预应力空心楼板的应用
In Back-Prestressing Force Frame Work, the Concept of "Sub-Internal Force" Caused by Prestressing Force and the Method for It;
后张预应力框架结构中,预应力引起结构"次内力"的概念及计算方法
The Study on Effective Prestress Detection of Simply Supported Unbonded Prestressed Concrete Beam by Dynamical Method;
动力法检测无粘结预应力钢筋混凝土简支梁的有效预应力研究
Prestressing Force Effect Analysis Method of Prestressed Concrete Curved Box Girder Bridge;
曲线预应力混凝土箱梁桥预应力效应分析方法研究
INVERSE STOCHASTIC BEM FOR DETERMINATION OF RESIDUAL STRESSES AND CONTACT STRESSES
逆随机边界元法预测残余应力和接触应力
Study on Practical Evaluation Method of Stress Loss for Prestressing Tendons Stretching Stage;
预应力筋张拉阶段应力损失实用评估方法研究
Analysis Method on Stress Increment of External Prestressing Concrete Beam Based on Deflection
基于挠度的体外预应力梁应力增量分析方法
The Utility of Combination Forecasting Method in Mid-long Term Load Forecasting;
组合预测方法在中长期电力负荷预测中的应用
Precast Technology and Quality Control of 30m Post-tensioned Prestressing I-beam;
30米后张法预应力工字梁预制工艺及质量控制
Geometric Shape Control of Precasting of PC Box Girder Segments by Short-Line Match Method
预应力混凝土箱梁短线法节段预制线形控制
Cause analysis and prevention of the inclined crack in pretensioning method prestressed pipe pile
先张法预应力管桩倾斜裂缝原因分析及预防