scholarly journals Warping Stress Equation at the Transverse Joint Edge of Concrete Pavement Slab Based on FEM Analysis.

1996 ◽  
pp. 89-96
Author(s):  
Tatsuo Nishizawa ◽  
Akira Hirukawa ◽  
Tadashi Fukuda
Keyword(s):  
Fem Analysis ◽  
Concrete Pavement ◽  
Stress Equation ◽  
Transverse Joint ◽  
Warping Stress

Curling Stress Equation for Transverse Joint Edge of a Concrete Pavement Slab Based on Finite-Element Method Analysis

1996 ◽  
Vol 1525 (1) ◽  
pp. 35-43 ◽  
Author(s):  
Tatsuo Nishizawa ◽  
Tadashi Fukuda ◽  
Saburo Matsuno ◽  
Kenji Himeno
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Fem Analysis ◽  
Concrete Pavement ◽  
Winkler Foundation ◽  
Stress Equation ◽  
The Past ◽  
Transverse Joint ◽  
Foundation Model ◽  
Element Method

In the design of concrete pavement, curling stresses caused by the temperature difference between the top and bottom surfaces of the slab should be calculated at the transverse joint edge in some cases. However, no such equation has been developed in the past. Accordingly, a curling stress equation was developed based on stress analysis using the finite-element method (FEM). In this FEM analysis, a concrete pavement and its transverse joint were expressed by means of a thin plate–Winkler foundation model and a spring joint model, respectively. Multiregression analysis was applied to the results of the FEM numerical calculation and, consequently, a curling stress equation was obtained. After comparing the calculated results of the equation with curling stress equations developed in the past, it was confirmed that the equation was valid and practical.

scholarly journals Stress equation of expansion joint edge of concrete pavement slab based on FEM analysis.

1990 ◽  
pp. 221-224
Author(s):  
Seiji KOMATSU ◽  
Yasushi TAKEYAMA ◽  
Tadashi FUKUDA
Keyword(s):  
Fem Analysis ◽  
Concrete Pavement ◽  
Expansion Joint ◽  
Stress Equation

Relative Costs of Various Concrete Pavement Features

1997 ◽  
Vol 1574 (1) ◽  
pp. 99-102 ◽  
Author(s):  
Lawrence W. Cole ◽  
Michael J. Hall
Keyword(s):  
Load Transfer ◽  
Relative Effect ◽  
Careful Consideration ◽  
Concrete Pavement ◽  
Thickness Variation ◽  
Portland Cement Concrete ◽  
Joint Spacing ◽  
Transverse Joint ◽  
Pavement Construction ◽  
Joint Load

The design and construction of portland cement concrete pavement involves the selection, specification, and construction of a number of concrete pavement features. Concrete pavement features can significantly affect pavement construction costs. In this study, the relative effect on pavement construction cost of several concrete pavement features was investigated, including concrete pavement thickness, foundation, shoulders, cross-section thickness variation (trapezoidal section), joint spacing, transverse joint load transfer, and transverse joint sealant. Careful consideration and study should be given the cost effects of various features when designing and specifying concrete pavement. The ideal pavement design is one that selects the least costly pavement section that will perform to the expected level over the life of the facility. The least costly pavement section is that with the least life-cycle costs.

scholarly journals A THERMAL STRESS CALCULATION METHOD OF CONCRETE PAVEMENT BASED ON TEMPERATURE PREDICTION AND FEM ANALYSIS

2016 ◽  
Vol 72 (3) ◽  
pp. I_105-I_113 ◽  
Author(s):  
Tatsuo NISHIZAWA ◽  
Masashi KOYANAGAWA ◽  
Yasushi TAKEUCHI ◽  
Kazuyuki KUBO ◽  
Toru YOSHIMOTO
Keyword(s):  
Thermal Stress ◽  
Calculation Method ◽  
Fem Analysis ◽  
Concrete Pavement ◽  
Temperature Prediction ◽  
Stress Calculation

Analysis of Factors Influence on Void Underneath at Concrete Pavement Joints

2014 ◽  
Vol 488-489 ◽  
pp. 483-486
Author(s):  
Fang Ran Zhao ◽  
Jia Lin Cao ◽  
Ning Wang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Load Transfer ◽  
Three Dimensional ◽  
Transfer Effect ◽  
Concrete Pavement ◽  
Element Analysis ◽  
Joint Stress ◽  
Transverse Joint ◽  
Dowel Bar

Three-dimensional finite element analysis was made on the transverse joint stress state of the concrete pavement slab with void underneath using ANSYS. The transfer effect of dowel bar was discussed with aircraft loaded in the joints. The influence rule of load transfer effect under different dowel bar spacing and dowel bar cross section dimension was compared. Based on the results of finite element analysis, this paper had carried on the experimental study on stress-transferring effect on concrete pavement joints with different location of the dowel bar. The influencing factors of pavement slab transverse joint with void underneath and the resistance of pavement damage on the joint was analyzed. Theoretical analysis showed that in order to reinforce the resistance capacity of local cavity on concrete pavement joint, the largest spacing of transverse dowel bar set shall not be more than 45cm, and the main factors influencing the resistance void ability on the joint are top reaction modulus, coefficient of cavity, the concrete elastic modulus and coefficient of transverse reinforcement.

Performance Evaluation of Concrete Pavement Slab Considering Creep Effect by Finite Element Analysis

2018 ◽  
Vol 2672 (27) ◽  
pp. 65-77
Author(s):  
Siming Liang ◽  
Ya Wei ◽  
Zehong Wu ◽  
Will Hansen
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Performance Evaluation ◽  
Concrete Pavement ◽  
Concrete Slabs ◽  
Total Stress ◽  
Element Analysis ◽  
Creep Effect ◽  
Flexural Creep ◽  
Warping Stress

Creep, as an intrinsic property of concrete material, will inevitably affect the performance of concrete pavement slabs in the field. However, the creep effect on the performances of concrete pavement slabs is far from being fully investigated. In this study, a test set-up is designed to measure the flexural creep of concrete beams exposed to both sealed and drying conditions. The measured flexural creep results are then modeled by the microprestress–solidification theory-based creep model which is incorporated into finite element analysis to evaluate numerically the creep effect on the moisture warping deformation, warping stress, and the total stress under traffic load in concrete slabs. Parameters including slab size, slab thickness, and subgrade modulus are considered. It is found that concrete creep has a significant effect on slab performance. Based on the measured creep properties in this study, the warping deformation of slabs can be reduced by 8–62%, and the warping stress and the total stress can be relaxed by at least 50%. Therefore, it is of importance to incorporate creep effect in analyzing warping deformation and stress generated in concrete pavement slabs. This study also provides a numerical methodology to the current performance evaluation of concrete slabs in the field.

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