scholarly journals Mechanical Characteristics of Asphalt Pavement Pothole Maintenance

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Fengjun Zhao ◽  
Yuhang Tang ◽  
Jianjun Wu ◽  
Zhi Huang ◽  
Mingyue Gao ◽  
...  
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Void Ratio ◽  
Asphalt Pavement ◽  
Asphalt Mixture ◽  
Element Model ◽  
Filling Material ◽  
Ansys Software ◽  
Structure Form ◽  
The Finite Element Model

Traditionally, potholes are mainly paved for maintenance, and the asphalt mixture needs to be compacted. But due to the construction quality problem, the compacting degree of asphalt mixture may not be enough and the void ratio of asphalt mixture may not meet the requirements, resulting in the premature damage of the potholes after repair. If the repair material can be prefabricated, this problem will be well solved. So, based on the structure form of the prefabricated rapid maintenance of asphalt pavement, this paper aims to determine the most unfavorable loading position in pothole repair, which was established by the ANSYS software with the finite element model. The results show that the most unfavorable loading position of tensile stress for patch materials and joint filling material is C1-1 (A2-2) and the most unfavorable loading position of shear stress for joint filling material and leveling layer is B2-1 and C1-5. Subsequently, the influences of the material modulus, size, thickness, and modulus of the old pavement material on the potholes are calculated by using the finite element model under the most unfavorable loading position.

Finite Element Simulation of Metal Structure for Container Stacker Based on Ansys

2011 ◽  
Vol 94-96 ◽  
pp. 2080-2083
Author(s):  
Zhi Jian Li ◽  
Jian Kun Zhang
Keyword(s):  
Boundary Condition ◽  
Finite Element ◽  
Finite Element Model ◽  
Metal Structure ◽  
Element Model ◽  
Calculation Model ◽  
Ansys Software ◽  
Element Simulation ◽  
Calculation Results ◽  
The Finite Element Model

The finite element model of metal structure of 45 tons container stacker is established and Ansys software is employed to calculate the stress of key parts. The skill of model processing of the complete machine and the boundary condition of calculation model is described. The calculation results are used to guide the design of the container stacker.

Dynamic Analysis and Structure Optimization of Linear Vibration Screen

2013 ◽  
Vol 364 ◽  
pp. 42-45
Author(s):  
Yong Yan Wang ◽  
Xiao Liang Liu ◽  
Wen Bin Wei ◽  
Nan Qin
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Dynamic Analysis ◽  
Center Of Mass ◽  
Structure Optimization ◽  
Element Model ◽  
Linear Vibration ◽  
Ansys Software ◽  
Structural Modifications ◽  
The Finite Element Model

Simulation of simplified the part structures of vibration screen by ANSYS software, and then establishes the finite element model of the linear vibration screen. Modal analysis and harmonic analysis of finite element model, and then according to the analysis results corresponding local structural modifications and adjust the center of mass of the modified vibration screen. Last verified the rationality of structure optimization.

The Mechanics Analysis and Research of Multi-Suspension-Centers Integral Lifting Technology for Long-Span Steel Roof

2012 ◽  
Vol 170-173 ◽  
pp. 3194-3198
Author(s):  
Jiang Zheng ◽  
Ji Ping Hao ◽  
Wei Hui Zhong
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Element Model ◽  
Construction Technology ◽  
Large Area ◽  
Structure Form ◽  
Long Span ◽  
Computer Controlled ◽  
The Finite Element Model ◽  
Steel Roof

In construction of the steel roof a computer-controlled lifting construction technology was adopted. It differed from other similar projects in some points. First, the steel roof had large area, long-span and huge weight; next, the structure form in lifting process differed from the design status; at last, the deformation of steel roof in lifting process could not been ignored. If these characteristics could not been considered in lifting process, it maybe bring large project accident. So in this article the finite element model of the structure in the lifting status had been rebuilt. Considering the displacement difference the lifting process had been analyzed. By the analysis the influence of the displacement difference of the lifting points could be found out. Comparing with the value of the construction measure the finite element model could be validated and corrected. The conclusions of research could be used by the similar construction.

Research on Anti-Rutting Performance of Reconstruct Pavement

2012 ◽  
Vol 178-181 ◽  
pp. 1601-1604
Author(s):  
Lian Yu Wei ◽  
Fei Gao ◽  
Shi Bin Ma ◽  
Qing Zhou Wang
Keyword(s):  
Finite Element ◽  
Shear Stress ◽  
Finite Element Model ◽  
Asphalt Pavement ◽  
Maximum Shear Stress ◽  
Element Model ◽  
The State ◽  
Longitudinal Slope ◽  
The Finite Element Model

Based on the overhaul structure of actual asphalt pavement, establishes the finite element model and analyses the shear stress in the state of overload, longitudinal slope and contact coefficient. The result is that the load and the gradient of longitudinal slope larger, the influence of rutting more seriously. The growth of shear stress is larger which brought by adding load on steep longitudinal slope than that of adding on longitudinal slope. The contact coefficient of interlayer α larger the maximum shear stress larger, on the contrary, the contact coefficient of interlayer α smaller the maximum shear stress smaller.

Imitative Farmland Random Vibration Analysis on Frame of Blueberry Harvesters

2011 ◽  
Vol 189-193 ◽  
pp. 2421-2425
Author(s):  
Qian Wang ◽  
Zhi Peng Li ◽  
Wei Jia Chen ◽  
Tao Peng
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
White Noise ◽  
Vibration Analysis ◽  
Random Vibration ◽  
Element Model ◽  
Ansys Software ◽  
The Finite Element Model ◽  
Random Vibration Analysis

This paper uses MATLAB Simlink module to simulate road spectrum of the blueberries farmland where blueberry harvesters are running, and gets white noise random road displacements. On the basis of ANSYS software, the finite element model of frame of blueberry harvesters is established to carry out imitative farmland random vibration analysis. According to the results from random vibration analysis, improves the structure of frame of blueberry harvesters.

Structural Design and Analysis on Frame of Blueberry Harvesters Based on ANSYS

2010 ◽  
Vol 26-28 ◽  
pp. 794-799
Author(s):  
Qian Wang ◽  
Zhi Peng Li ◽  
Dao Qiang Wang
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Static Analysis ◽  
Working Conditions ◽  
Structural Design ◽  
Mechanical Characteristics ◽  
Element Model ◽  
Frame Structure ◽  
Ansys Software ◽  
The Finite Element Model

The frame of blueberry harvesters is quite different from other vehicles. In this article, the design for whole frame structure is elaborated. According to the mechanical characteristics of the frame, materials are selected and manufacturability requirements are limited. Based on PRO/E software, accurate model of the frame of blueberry harvesters is established. And then, on the basis of ANSYS software, the finite element model of frame of blueberry harvesters is established to carry out static analysis on full-loaded and distortion working conditions. Results meet the strength requirements and displacement requirements, so it verifies the reasonableness of the design of frame.

scholarly journals Effect of Stiffener Size on Ultimate Strength of GFRP Blade Stiffened Composite Plates

2019 ◽  
Vol 8 (12) ◽  
pp. 838-841
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Ultimate Strength ◽  
Composite Plates ◽  
Element Model ◽  
Axial Deformation ◽  
Ansys Software ◽  
Shell Elements ◽  
Orthotropic Properties ◽  
The Finite Element Model

The ultimate strength of blade stiffened composite plates with various sizes of the stiffener is studied numerically using ANSYS software. The GFRP stiffened composite plates were modeled in ANSYS as SHELL elements with orthotropic properties. The finite element model of the GFRP stiffened composite plates was analysed to obtain deflection, axial deformation and stress contours and the ultimate load values. The obtained results of the finite element model were validated with that of available experimental data. The validated finite element model was used to study the effect of stiffener size. The stiffener size was varied from 10mm to 100mm. It was observed that smaller size of stiffeners were ineffective in stiffening the plate. The optimum size of stiffener was found to be 50mm to 75 mm. .

ANSYS Analysis of Heat Model for the Electromagnetic Drying Cylinder

2012 ◽  
Vol 268-270 ◽  
pp. 916-920
Author(s):  
Zheng Shun Wang ◽  
Wen Jia Han
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Thermal Load ◽  
Geometric Model ◽  
Element Model ◽  
Actual Situation ◽  
Ansys Software ◽  
Software Applications ◽  
Ansys Analysis ◽  
Drying Cylinder

In this thesis, the process of electromagnetic drying cylinder was analyzed creating by the dryer finite element model using ANSYS. The conduction thermal analysis, the applied load and solved showed the results of three major components. Which create a finite element model of the process, mainly the preprocessor using ANSYS software to create or import geometric models from other software applications, and then add the material properties. The last of the geometric model meshing and solving process need to enter solvers according to the actual situation. The setting is applied to the thermal load and conditions. Then it is proceed to the finite element solution operator. It final usually the Post 1, or Post2 view results, and based on our experience to judge correctly

Analysis of Hydroelectric Unit’s Upper Bracket Based on Test and FEM

2014 ◽  
Vol 721 ◽  
pp. 131-134
Author(s):  
Mi Mi Xia ◽  
Yong Gang Li
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Element Model ◽  
The Finite Element Method ◽  
Ansys Software ◽  
Element Analysis ◽  
Hydroelectric Unit ◽  
The Finite Element Analysis ◽  
Strain Rosette ◽  
The Finite Element Model

To research the load upper bracket of Francis hydroelectric unit, then established the finite-element model, and analyzed the structure stress of 7 operating condition points with the ANSYS software. By the strain rosette test, acquired the data of stress-strain in the area of stress concentration of the upper bracket. The inaccuracy was considered below 5% by analyzing the contradistinction between the finite-element analysis and the test, and match the engineering precision and the test was reliable. The finite-element method could be used to judge the stress of the upper bracket, and it could provide reference for the Structural optimization and improvement too.

Study on Load Stress of Lean Concrete Base in Asphalt Pavement

2012 ◽  
Vol 178-181 ◽  
pp. 1495-1498
Author(s):  
Li Jun Suo
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Asphalt Pavement ◽  
Element Model ◽  
Pavement Design ◽  
The Other ◽  
Three Dimension ◽  
Traffic Loading ◽  
Concrete Base

Load stress, which is caused by traffic loading, is important parameter used in the analysis of the new pavement design. In order to study the load stress of lean concrete base in the asphalt pavement, first of all, three–dimension finite element model of the asphalt pavement is established. The main objectives of the paper are investigated. One is calculation for load stress of lean concrete base, and the other is analysis for relationship between load stress of lean concrete base and parameters, such as thickness, modulus. The results show that load stress of lean concrete base decreases, decreases and increases with increase of base’s thickness, surface’s thickness and ratio of base’s modulus to foundation’s modulus respectively. So far as the traffic axle loading is concerned, it has a significant impact on load stress of lean concrete base, and it can be seen from results that when load is taken from 100kN to 220kN, load stress increases quickly with the increase of the traffic axle loading.

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