Results 71 to 80 of about 812 (182)

Transient Thermal Analysis of Concrete Box Girders: Assessing Temperature Variations in Canadian Climate Zones. [PDF]

Sensors (Basel), 2023
Nassar M, Amleh L.
europepmc   +1 more source

Temperature Distribution Characteristics and Action Pattern of Concrete Box Girder under Low-Temperature and Cold Wave Conditions

Applied Sciences
In regions with severe cold and high latitudes, concrete structures are susceptible to cracking and displacement due to uneven temperature stress, which directly impacts their normal utilization.
Hui Li, Yi-Kun Ba, Ning Zhang, Yong-Jian Liu, Wei Shi   +4 more
doaj   +1 more source

Experimental-Numerical Study on the Flexural Ultimate Capacity of Prestressed Concrete Box Girders Subjected to Collision. [PDF]

Materials (Basel), 2022
Li Y, Yu Z, Wu Q, Liu Y, Wang S.
europepmc   +1 more source

Experimental investigation on the temperature distribution of corrugated steel web box girders with and without encased concrete

Case Studies in Construction Materials
The thermal stresses resulting from temperature gradients within the structural components of bridges significantly affect their durability. This research conducted a field study to monitor the structural temperatures and environmental parameters ...
Hua-Rui Gao, Hao-Zhe Han, Feng Zhang
doaj   +1 more source

Analytical Method of the Shear Lag Effect in Thin-Walled Box Girders Based on the Shear Flow Distribution Law

Applied Sciences
This paper presents an analytical method based on the shear flow distribution law to study the shear lag effect of thin-walled single- and double-cell box girders.
Yuan Shi, Shijun Zhou, Gang Wang, Cao Zhou   +3 more
doaj   +1 more source

Winter Construction of 60 m Precast Railway Box Girders: An Investigation into Efficient Thermal Insulation Strategies

Buildings
Large-scale concrete box girders are prone to early-age cracking because of the hydration reaction. To expedite the winter construction of large-scale precast box girders while mitigating the risk of thermal cracking induced by hydration heat, this study
Wei Yang, Tao Zhang, Zuqing Zhao, Xuebin Feng, Lei Wang, Fei Wang, Yuliang Cai   +6 more
doaj   +1 more source

Mitigating Temperature Effects in Curved Continuous Steel Box Girders: A Parametric Thermodynamic Analysis and Design Recommendations

Buildings
Curved continuous steel box girders are extensively utilized in bridge construction due to their efficiency and environmental benefits. However, in regions with significant temperature fluctuations, temperature effects can result in cumulative ...
Shichao Wang, Gang Zhang, Haoting Liu, Boxing Zhang, Xu Hou, Zhuoya Yuan   +5 more
doaj   +1 more source

Box Girders: Yarra Disaster [PDF]

Nature, 1971
openaire   +2 more sources

Aerodynamic Loading and Wind-Induced Vibration Characteristics of Bridge Girders with Typical Asymmetric Configurations

Buildings
The bridge girder’s aerodynamic configuration substantially governs its aerodynamic loading and wind-induced vibration characteristics. Extensive research has been performed to optimize the configuration of girders and implement aerodynamic measures to ...
Xingyu Chen, Helu Yu, Haowei Yu, Pinyi Zhao, Ming Li   +4 more
doaj   +1 more source

Analysis of Bending Natural Vibration Characteristics of Steel Box Girder Considering Equivalent Shear of Stiffeners

工程科学与技术
ObjectiveUnlike concrete box girders, transverse and longitudinal stiffeners were provided for all plate components of steel box girders to ensure local stress control and overall deformation compliance.
YU Jianbo, ZHANG Yuyuan, ZHANG Yuanhai, WANG Li   +3 more
doaj