Results 1 to 10 of about 37,069 (262)
Study on Solar Radiation and the Extreme Thermal Effect on Concrete Box Girder Bridges
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 +5 more sources
Temperature Field and Temperature Effects for Concrete Box Girder Bridges Based on Monitoring Data and Numerical Simulation [PDF]
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 +3 more sources
Influence of Cracking on Deflections of Concrete Box Girder Bridges
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 +4 more sources
Large-span precast prestressed concrete box girders have been widely used in bridge construction near or across the sea. However, this would easily lead to a hydration heat problem, including large initial tensile stress and concrete cracks during the ...
Tianyu Wang +4 more
doaj +4 more sources
Experimental and Numerical Study of the Ultimate Flexural Capacity of a Full-Size Damaged Prestressed Concrete Box Girder Strengthened with Bonded Steel Plates. [PDF]
Using steel plates attached with epoxy resin adhesive to strengthen prestressed reinforced concrete bridges has become a common method to increase bearing capacity in engineering because of the simple technology, low cost and good strengthening effects ...
Li Y, Yu Z, Liu Y.
europepmc +2 more sources
Analysis of The Working Performance of Large Curvature Prestressed Concrete Box Girder Bridges. [PDF]
Based on numerical shape functions and the structural stressing state theory, the mechanical properties of the curved prestressed concrete box girder (CPCBG) bridge model under different loading cases are presented.
Yuan J +6 more
europepmc +2 more sources
A novel composite thermal insulation system for concrete bridge box girder and its influence
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 +3 more sources
Prestressed concrete girder bridges are widely used worldwide due to their mature construction technology, economical cost, and low maintenance. After a certain number of years of service, prestressed concrete girders inevitably suffer from deterioration
Haikuan Liu +3 more
doaj +2 more sources
Temperature Gradient and Its Effect on Long-Span Prestressed Concrete Box Girder Bridge
Temperature variations in the girder at two cross-sections of a long-span prestressed concrete box girder bridge (PCBG) were analysed based on measured data.
B. Gu +4 more
doaj +2 more sources
The aim of this research is to study the effect of corrugated steel plate strengthening on the structural behavior of reinforced concrete box girder using corrugated steel plates with vertical and horizontal corrugation and studying the effect of the ...
Zahraa Sermed Zuhdiy, Ali Laftah Abbas
doaj +1 more source

