Yanwei Niu
YOU?
Author Swipe
View article: Computational study and field implementation of methods for the control of vortex shedding from a bridge caisson
Computational study and field implementation of methods for the control of vortex shedding from a bridge caisson Open
The precise placement of bridge caissons in fast-moving currents poses particular difficulties due to the occurrence of vortex shedding from these typically bluff structures leading to significant side-to-side oscillations. In this paper, …
View article: Analysis of temperature-induced deformation and stress distribution of long-span concrete truss combination arch bridge based on bridge health monitoring data and finite element simulation
Analysis of temperature-induced deformation and stress distribution of long-span concrete truss combination arch bridge based on bridge health monitoring data and finite element simulation Open
Through decades of operation, deformation fluctuation becomes a central problem affecting the normal operating of concrete truss combination arch bridge. In order to clarify the mechanism of temperature-induced deformation and its impact o…
View article: Effect of Shear Creep on Long-Term Deformation Analysis of Long-Span Concrete Girder Bridge
Effect of Shear Creep on Long-Term Deformation Analysis of Long-Span Concrete Girder Bridge Open
The purpose of this paper is to report on the development of a three-dimensional (3D) creep calculation method suited for use in analyzing long-term deformation of long-span concrete girder bridges. Based on linear creep and the superposit…
View article: Analysis of dynamic tensile deformation characteristics of deep coal rock
Analysis of dynamic tensile deformation characteristics of deep coal rock Open
In order to study the dynamic tensile deformation failure characteristics of deep coal rock, the impact loading system of Split Hopkinson Pressure Bar (SHPB) was used to carry out the Brazilian disc splitting test under the impact for the …
View article: Mesoscopic Finite Element Method of the Effective Thermal Conductivity of Concrete with Arbitrary Gradation
Mesoscopic Finite Element Method of the Effective Thermal Conductivity of Concrete with Arbitrary Gradation Open
The effective thermal conductivity (ETC) of concrete is the most important parameter in determining the temperature field and thermal stresses. A 2D random polygonal aggregate model and its modified model considering porosity were establis…
View article: Monitoring of Daily Temperature Effect on Deck Deformation of Concrete Arch Bridge
Monitoring of Daily Temperature Effect on Deck Deformation of Concrete Arch Bridge Open
Temperature makes greatly differences on concrete in many aspects, including stress, strain and deformation, especially for arch concrete bridge structure. Some software can compute theoretical deformation, stress and bending moment of bri…
View article: Finite Difference Method in Stress Analysis of Anchorage Zone of Highway Extradosed Cable Stayed Bridge
Finite Difference Method in Stress Analysis of Anchorage Zone of Highway Extradosed Cable Stayed Bridge Open
With the development and wide application of extradosed cable stayed bridge, an effective method is needed for simulation of the stress distribution in anchorage zone, which plays a vital role in transferring force from the cable to the py…