Application of High Pier Construction Technology in Expressway Bridge Construction

2021 ◽  
Keyword(s):  
Construction Technology ◽  
Bridge Construction ◽  
High Pier

scholarly journals Research on Reliability of Straight Thread Connection of Reinforcement Cage of Bridge Foundation

2021 ◽  
Vol 248 ◽  
pp. 03064
Author(s):  
Jinhui Li ◽  
Xiaodong Shang ◽  
Minmin Yuan
Keyword(s):  
New Technologies ◽  
Practical Significance ◽  
Construction Technology ◽  
Bridge Construction ◽  
Thread Connection ◽  
Development Status ◽  
Steel Bar ◽  
Foreign Countries ◽  
Application Requirements ◽  
Bridge Foundation

With the continuous improvement of bridge construction technology in our country, although the service life of the bridge has been greatly extended, the mechanical connection technology of steel bar in the technology is still in the stage of steel bar straight thread connection, which is nearly 30 years behind that of foreign countries. According to the development status and application requirements of bridge construction in China, it is of great practical significance to explore new technologies and methods to solve the problem of insufficient strength of straight thread connection of reinforcement. In this paper, the reliability of the straight thread reinforcement connection in the bridge foundation reinforcement cage connection technology is studied as the main breakthrough point, and the main problems encountered in the application of the straight thread reinforcement connection technology in the bridge reinforcement cage connection are analyzed.

Research on Precast Segment Assembling Bridge Technology in Short-Line Matching Method

2012 ◽  
Vol 256-259 ◽  
pp. 1652-1657
Author(s):  
Hong Zhang ◽  
Min Wang ◽  
Yong Tao Zhang
Keyword(s):  
Prestressed Concrete ◽  
Large Scale ◽  
Development Trend ◽  
Concrete Bridge ◽  
Construction Technology ◽  
Bridge Construction ◽  
Matching Method ◽  
Short Line ◽  
Under Construction ◽  
Bridge Technology

Targeted at key technological difficulties of pre-stressed concrete bridge with precast segment assembling in short-line matching method, combined with the as-built projects and those under construction, this essay introduces systematic segmental precast assembly externally prestressed concrete construction technology in short-line matching method, and the developed serial complete equipments set, thus realizing development trend of factory-orientation, large-scale, mechanization, standardization of modern bridge construction.

Construction Control Technology of Cable Hoisting System for the Arch Rib of Steel Box Bridge

2014 ◽  
Vol 919-921 ◽  
pp. 1403-1406
Author(s):  
Yu Wang ◽  
Yan Hong Wei ◽  
Gui Fen Hu
Keyword(s):  
Simulation Analysis ◽  
Steel Structures ◽  
Narrow Channel ◽  
Construction Control ◽  
Construction Technology ◽  
Bridge Construction ◽  
Welded Steel ◽  
Geological Conditions ◽  
Stress And Deformation ◽  
Hoisting System

Mingzhou bridge in Ningbo is a half-through steel box arch bridge with 450m main-span. The bridge adopts welded steel structures except that abutments are made of steel composite structure. High requirements for the bridge construction technology are put forward because of the restrictions including poor geological conditions for bridge site, height limit for aircraft, narrow channel, frequent typhoon. The mid-span arch rib adopts cable hoisting and stayed buckle cable technology for the construction. This paper introduces the construction method during the assembled process of the mid-span arch rib. The numerical simulation analysis for the construction process is carried out. Stress and deformation of the main arch are in a reasonable range, which indicates completing the bridge construction control target successfully.

Replacement Construction Technology Analysis of Half-Through Reinforced Pipe Concrete Bridge Derrick

2014 ◽  
Vol 1065-1069 ◽  
pp. 949-955
Author(s):  
Gui Bing Wang
Keyword(s):  
Concrete Bridge ◽  
Construction Technology ◽  
Bridge Construction ◽  
Arch Bridge ◽  
Technology Analysis

This article relies projects, from derrick to replace the principle and derrick replacement order and step and important aspects of the construction derrick and the derrick to replace anti-corrosion treatment in half-through arch bridge construction derrick temporary replacement were discussed. Expect to be able to provide reference for similar projects draw on the research of this projects.

scholarly journals Analysis on Construction Technology of Reinforced Concrete Tied Arch Bridge

2021 ◽  
Vol 5 (6) ◽  
pp. 67-71
Author(s):  
Zhongyu Wang
Keyword(s):  
Reinforced Concrete ◽  
Cost Savings ◽  
Construction Cost ◽  
Construction Technology ◽  
Bridge Construction ◽  
Construction Quality ◽  
Arch Bridge ◽  
Subsequent Application ◽  
Arch Bridges ◽  
Tied Arch Bridge

Bridge construction has received a lot of attention as transportation continues to improve. Reinforced concrete linked arch bridges are a common bridge style in today’s bridge construction. This type of bridge not only has a basic and generous shape, but it is also incredibly easy to construct, resulting in significant material and construction cost savings. This article analyzes the construction technology of a reinforced concrete linked arch bridge in order to achieve good construction and application. It is hoped that this analysis can provide a scientific reference for the guarantee of the construction quality and subsequent application effect of this kind of bridge.

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