Analysis on the cracks in pretensioned prestressed hollow beam and treatment measures;
先张法预应力空心梁裂缝分析与处理
According to the problem of longitudinal cracks existing on bottom boadrs of pre-tension prestressed hollow beams, authors made a finite element simulation calculation and analysis, and provide a proper modified construction method in order to prevent cracks.
针对先张法预应力空心梁底板出现纵向裂纹的问题 ,进行有限元模拟计算和分析研究 ,并提出合理的改进工艺 ,从而避免了裂纹产生。
The paper introduces the construction technique,construction process and quality control on key tache for the!preatressed hollow beam of Tongmi Bridge.
介绍垌利大桥预应力空心梁的施工工艺、施工程序、重要施工环节的质量控制。
A brief discussion on prefabrication of 25 m concrete hollow plate beam;
浅谈25m空心板梁的预制
The construction technology of partial prestress pretensioned method hollow plate beam;
部分预应力先张法空心板梁施工技术
Based on the longitudinal flexural failure tests for a 30-m span PPC hollow plate beam supported by three bearings,the failure modes and ultimate carrying capacity of the beam subjected to concentrated load at midspan are studied.
通过对三支座30 m PPC空心板梁进行纵向受弯破坏试验,研究其在跨中集中荷载下的破坏形态和极限承载能力,认为采用三支座形式对梁的极限承载能力和抗变形能力无明显影响,其强度和刚度能满足设计要求。
Common defects in the construction of pre-stressed concrete hollow slab beam and their prevention;
预应力混凝土空心板梁施工常见缺陷及预防
Erection construction of hollow slab beam using unipod gin pole combined with single leading-in method;
独脚扒杆结合单导梁法架设空心板梁施工
Static force load test on precast hollow slab beam of bridge;
对桥梁预制空心板梁的静力荷载试验
Discussion on advantages and disadvantages of concentrated precast and erection for voided slab beams with less than 20 meters in the heavy rolling area
山岭重丘区公路20m以下空心板梁集中预制安装的利与弊
This paper introduces the main points and method that the height and high effect prestressed concrete voided slab beam bridge is developed and designed by using the partial prestressed concrete technique in middle span bridge.
介绍了中等跨径桥梁采用部分预应力混凝土技术研制设计低高度高效空心板梁的要点、方法及试验研究的主要成果。
Static test and analysis of prestressed concrete hollow plate beam;
预应力空心板梁的静载试验及分析
Electro-hydraulic Girder Falling Construction Process of Prestressed Concrete Hollow Plate Beam
预应力混凝土空心板梁电动液压落梁施工工艺
The Research to the Crack Disease of Prestressed Concrete Slab-beam;
预应力空心板梁结构开裂病害的研究
On the control points of the post-tensioned prestressed hollowslab beam
后张法预应力空心板梁施工控制要点
Analysis on Mechanical Properties of Damaged Hollow Plate Girder under Prestress
带损伤预应力空心板梁力学性能分析
3D FEM Analysis of Mechanical Properties in Prestressed Lightweight Aggregate Concrete Hollow Beam;
预应力LWAC空心板梁力学性能的空间有限元分析
Study on Prestressed Concrete Beam of Voided Slab with Line Cables of New Forms Subjected to Compound Loads;
新束形预应力混凝土复合受力空心板梁的研究
Study of Load-bearing Properties of Prestressed Concrete Hollow-casted Slab-beam System;
现浇预应力空心板梁楼盖体系受力特性研究
Finite Element Analysis on the Stresses of the End of Prestressed Concrete Hollow Slab;
预应力混凝土空心板梁端部应力的有限元分析
Construction Technological and Experimental Research of Post-tensioned Prestressed Concrete Hollow Beams
后张法预应力空心板梁施工技术和试验研究
The Detection and Assessment Technology and Reuse Research of Existing Prestressed Hollow Plate Beam
既有预应力空心板梁检评与再利用研究
Activated Core-pulling Inner Formwork Technology for Precast Hollow Slab and Beam of Highway Bridge
公路桥预制空心板梁活络式抽芯内模技术
Dynamic Assessment About Existing Simply-supported Hinge Joint Celluar Slab Bridges
既有简支铰接空心板梁桥结构状况动力评估
Cause Analysis and Treatment of Crack in Pres-stressed Hollow Plate Beam of a Bridge
某桥预应力空心板梁裂缝原因分析及处理
Post-tensile Prestressed Hollow Plate Beam in Construction Technology
后张法预应力混凝土空心板梁施工技术
The static loading test and analysis of a pre-stressed concrete hollow slab beam
某预制预应力混凝土空心板梁静载试验与分析
Disease Analysis and Reinforcement Design for Xiaoyunhe Bridge with Wide Hollow Slab Beams
小运河桥宽空心板梁病害分析和加固设计
Study on Defction of Transverse Joints of Simply-Supported Hollow Slab Girder Bridges
空心板简支梁桥横向铰接缝病害分析
Load Experiment of Prestressed Hollow Concrete Plank Using in Bridge
桥梁用预应力混凝土空心板荷载试验