An Experimental Study on the Influence of Continuous Reinforcement on the Crack Pattern of Long Concrete Pavements PDF Download
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Author: Vedat A. Yerlici
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 56
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Book Description
Author: Vedat A. Yerlici
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 56
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Book Description
Author: National Research Council (U.S.). Highway Research Board
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 112
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Book Description
Author: National Research Council (U.S.). Transportation Research Board
Publisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 52
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Book Description
The performance of CRCP has revealed a number of failure modes that are traceable to design, construction, materials, and maintenance deficiencies and such other factors as environemntal conditions and traffic loadings. This report of the Transportation Research Board includes a review of the cumulative experiences of state that have constructed and maintained CRCP. Guidelines for repair techniques are included, and areas of needed research are identified.
Author: Louis Dwayne Rash
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
Author: American Concrete Institute
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 1150
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Book Description
Includes the institute's Proceedings, v. 9-11, 26- (issued also separately), and the ACI news letter (title varies slightly).
Author: Imad L. Al-Qadi
Publisher: CRC Press
ISBN: 0203882199
Category : Technology & Engineering
Languages : en
Pages : 932
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Book Description
Internationally, much attention is given to causes, prevention, and rehabilitation of cracking in concrete, flexible, and composite pavements. The Sixth RILEMInternational Conference on Cracking in Pavements (Chicago, June 16-18, 2008) provided a forum for discussion of recent developments and research results.This book is a collection of papers fr
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 670
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Book Description
Author: Amir Farid Momeni
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
When transverse cracks meander there is a high possibility for transverse cracks to meet at a point and connect to another transverse crack, creating a Y-crack. Y-cracks have been blamed for being the origin of punchouts and spallings in CRCPs. When the direction of maximum principal stress changes, it could cause a change in the crack direction, potentially forming a Y-crack. Finite Element Models (FEMs) were run to model the change in principal stress direction based on design and construction conditions. The finite element model of CRCP using typical Oklahoma CRCP pavement conditions and design was assembled. The model included the concrete pavement, asphalt concrete subbase, and soil subgrade. The effect of areas of changed friction on the direction of principal stress was simulated by considering a patch at the pavement-subbase interaction. Investigated factors related to this patch were location of patch, friction between patch and subbase, and patch size. Patches were placed at two different locations in the pavement: a patch at the corner of the pavement and a patch at the longitudinal edge between pavement ends. A change in the friction at the corner had a large effect on the stress magnitude and direction of principal stress, while a patch in the middle did not significantly change the stress state. Also, patch size had a noticeable effect on stress magnitude when the patch was at the corner. Another model was developed to understand the effect of jointed shoulder on direction of maximum principal stress. Analysis of this model showed that the stresses were not symmetric and changed along the width of the pavement. This meandering pattern shows a high potential for Y-cracking. Also, several finite element models were run to understand the effects of different shrinkage between mainline and shoulder. In order to simulate the effects of the differential drying shrinkage between the hardened mainline concrete and the newly cast shoulder, different temperature changes were applied on the mainline and shoulder. For these models, the orientation of the maximum principal stress was not significantly changed from different amounts of temperature decreases between mainline and shoulder. Also, effect of different longitudinal steel percentages was investigated by comparing two finite element models with different steel percentage. The model with higher steel percentage (0.7%) indicated more variation in stress, potentially leading to more crack direction diverging.
Author: Christine Detournay
Publisher: CRC Press
ISBN: 1000100286
Category : Science
Languages : en
Pages : 529
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Book Description
Sixty-five papers cover a wide range of topics from engineering applications to theoretical developments in the areas of embankment and slope stability, underground cavity design and mining; dynamic analysis, soil and structure interaction, and coupled processes and fluid flow.
Author: American Concrete Institute. Annual Convention
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 764
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Book Description
