Results 11 to 20 of about 12,108 (230)

Torsional Stress Analysis of Improved Composite Box Girder with Corrugated Steel Webs

open access: yesApplied Sciences, 2022
Based on Umansky’s second theory, this paper studies the torsional stress of an improved composite box girder with corrugated steel webs and considers the effective elastic modulus of the converted section.
Aoao Qin   +4 more
doaj   +1 more source

Numerical evaluation of the slab effective width in steel-concrete composite box girder bridges

open access: yesRevista IBRACON de Estruturas e Materiais, 2020
: Bridges are structures built to overcome obstacles and allow continuity of transport routes. In the search for efficient construction systems, steel-concrete composite structures, especially box girder bridges, emerged. The American AASHTO and European
Renato Silva Nicoletti   +1 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

Bending behavior test and assessment for full-scale PC box girder reinforced by prestressed CFRP plate [PDF]

open access: yes, 2015
This paper focuses on behavior of full scale prestressed concrete (PC) box girder with difference degrees of damage derived from service stage. According to typical structural damage, strengthening measures are proposed, including gluing steel plate ...
Duan, Lan   +3 more
core   +1 more source

Damage Analysis of Box Girder Based on a Vehicle–Bridge Interaction System

open access: yesBuildings, 2023
This study proposes a stress analysis method of reinforced concrete (RC) box girder based on damage to reveal the dynamic mechanical response and damage mechanisms of a bridge under moving vehicle load.
Bin Zhou, Yingxin Hui, Xiaobo Zheng
doaj   +1 more source

Study on shear resistance of full-scale PC box girder reinforced by SPCCS method [PDF]

open access: yes, 2015
Steel plate and concrete composite strengthening (SPCCS) method is developed on the basis of steel and concrete composite girder, the process of which mainly includes welding studs on the reinforcing steel plates, planting rebars in the original concrete,
Li, Rui   +4 more
core   +1 more source

Fatigue safety monitoring and assessment of short and medium span concrete girder bridges [PDF]

open access: yes, 2015
Concrete bridge is widely used in highway infrastructure in China, especially in short and medium span bridges. Concrete bridges are prone to fatigue failure under the coupled actions of repeated vehicles loads, environment and material degradation.
Chen, Xin   +4 more
core   +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

Modeling for assessment of long-term behavior of prestressed concrete box-girder bridges [PDF]

open access: yes, 2018
Large-span prestressed concrete (PC) box-girder bridges suffer excessive vertical deflections and cracking. Recent serviceability failures in China show that the current Chinese standard modeling approach fails to accurately predict long-term ...
ADINA R & D, Inc   +9 more
core   +1 more source

Temperature Field and Gradient Effect of a Steel-Concrete Composite Box Girder Bridge

open access: yesAdvances in Materials Science and Engineering, 2021
To study the effect of the temperature field and gradient of a steel-concrete composite box girder bridge, a 5 × 35 continuous composite box girder bridge is used as the research object. The temperature measuring point is set by selecting a typical cross
Haoxu Li, Zhiguo Zhang, Nianchun Deng
doaj   +1 more source

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