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Temperature Field and Temperature Effects for Concrete Box Girder Bridges Based on Monitoring Data and Numerical Simulation [PDF]

open access: yesSensors
The temperature field distribution and temperature effects of concrete box girder bridges were found to be critical to their long-term service safety. Based on long-term structural health monitoring data, the temperature field and temperature effects of ...
Mengxiang Zhai   +6 more
doaj   +2 more sources

Influence of Cracking on Deflections of Concrete Box Girder Bridges

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2012
The problem of cracking and long-term deflection in larger-span prestressed concrete box girder bridges exists throughout the world and has restricted the development of long-span concrete bridges to some extent.
Chao Liu, Dong Xu
doaj   +3 more sources

Reducing low-frequency noise radiation from a concrete box girder bridge using acoustic short circuits [PDF]

open access: yesScientific Reports
Low-frequency noise (20–200 Hz) radiated from concrete box girder bridges on urban viaduct railway lines is a significant source of disturbance to nearby residents.
Yuanpeng He   +3 more
doaj   +2 more sources

Railway Bridge Using Small Post-Tensioned Concrete Box Girder

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2012
A girder depth is the critical parameter for rapid construction of bridge and clearance limitation in urban area such as high-density residential district.
Inkyu Rhee
doaj   +3 more sources

Study on Solar Radiation and the Extreme Thermal Effect on Concrete Box Girder Bridges

open access: yesApplied Sciences, 2021
Thermal effect is an essential factor in the durability and safety of concrete bridges. Therefore, this paper mainly studied the concrete bridge box girder temperature distribution and thermal effect under solar radiation and the thermal load.
Yao Lu, Dejian Li, Kai Wang, Shiwei Jia
doaj   +1 more source

Structural Design and Static Analysis of the Cable-stayed Bridge on Xuefu Road [PDF]

open access: yes预应力技术, 2023
The cable-stayed bridge on Xuefu Road is a single-pylon spatial double-cable-plane cable-stayed structure with a main span of 160 m. The main girder is a PK-section flat steel box girder, while the main pylon is made from reinforced concrete.
Bo Wang
doaj   +1 more source

Study on the Dynamic Response of Composite Box Girder Bridges with Corrugated Steel Webs

open access: yesAdvances in Civil Engineering, 2023
To more accurately consider the dynamic response of composite box girder bridges with corrugated steel webs under the effect of live loads, based on the theory of vehicle-bridge coupled vibration, a refined finite element model of vehicle-bridge coupled ...
Ya-Na Mao   +3 more
doaj   +1 more source

A Study of the Mechanical Properties of Polyester Fiber Concrete Continuous Rigid Frame Bridge during Construction

open access: yesBuildings, 2023
This study investigates the mechanical performance of a polyester fiber concrete continuous rigid frame bridge during construction and the spatial stress distribution of the 0# block box girder, with a focus on the backdrop of the bridge in Pipa Zhou ...
Shouju Miao   +3 more
doaj   +1 more source

A novel composite thermal insulation system for concrete bridge box girder and its influence

open access: yesCase Studies in Thermal Engineering, 2022
The temperatures of a concrete box girder were observed through a field test, and the finite element method (FEM) model of the concrete box girder was established.
Weigang Sun, Yiqiang Li, Weigang Zhao
doaj   +1 more source

Dynamic Response and Impact Force Calculation of PC Box Girder Bridge Subjected to Over-Height Vehicle Collision

open access: yesBuildings, 2023
The dynamic response of a prestressed concrete box girder bridge under the impact of an over-height vehicle is studied using the numerical simulation method.
Yuan Jing   +4 more
doaj   +1 more source

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