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Author: Y. Richard Kim
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 158
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Book Description
When FWD tests are performed on broken or cracked pavements (of which information is crucial in making rehabilitation and overlay decisions), the multi-layered elastic theory-based backcalulation programs assume that the effect of these discontinuities in a cracked layer on deflection basins would be accounted for by the reduction of the elastic modulus for that layer. However, it has been concluded and confirmed by researchers and practitioners that the backcalculation algorithms based on the multi-layered elastic theory produce large variation in the algorithms based on the multi-layered elastic theory produce large variation in the 'effective' moduli of the cracked layers. Studies have also shown that significant errors in the backcalculated pavement moduli can accrue from performing a static analysis of what is inherently a dynamic test. Unfortunately, dynamic analysis usually involves complex calculations and requires significant computation time, thus making it impracticable for routine applications. This study presents a methology based on deflection basin parameters.
Author: Y. Richard Kim
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 158
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Book Description
When FWD tests are performed on broken or cracked pavements (of which information is crucial in making rehabilitation and overlay decisions), the multi-layered elastic theory-based backcalulation programs assume that the effect of these discontinuities in a cracked layer on deflection basins would be accounted for by the reduction of the elastic modulus for that layer. However, it has been concluded and confirmed by researchers and practitioners that the backcalculation algorithms based on the multi-layered elastic theory produce large variation in the algorithms based on the multi-layered elastic theory produce large variation in the 'effective' moduli of the cracked layers. Studies have also shown that significant errors in the backcalculated pavement moduli can accrue from performing a static analysis of what is inherently a dynamic test. Unfortunately, dynamic analysis usually involves complex calculations and requires significant computation time, thus making it impracticable for routine applications. This study presents a methology based on deflection basin parameters.
Author: Paulo Pereira
Publisher: Springer Nature
ISBN: 3031635841
Category :
Languages : en
Pages : 666
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Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages :
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Author: Shiraz D. Tayabji
Publisher: ASTM International
ISBN: 0803128584
Category : Materials
Languages : en
Pages : 534
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Book Description
As with the previous two symposia, the 32 papers from the June/July, 1999, Seattle symposium present advances in the nondestructive testing of pavements using conventional falling weight deflectometer techniques and other promising techniques such as ground penetrating radar, rolling weight deflecto
Author: Nick Thom
Publisher: Emerald Group Publishing
ISBN: 1835497101
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
Principles of Pavement Engineering, Third edition is an essential reference on fundamental principles of pavement engineering, showing how to design, construct, evaluate and maintain pavements of all types.
Author: National Research Council (U.S.). Transportation Research Board
Publisher:
ISBN:
Category : Bicycle trails
Languages : en
Pages : 646
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Book Description
Author: Inge Hoff
Publisher: CRC Press
ISBN: 1000533336
Category : Technology & Engineering
Languages : en
Pages : 501
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Book Description
Innovations in Road, Railway and Airfield Bearing Capacity – Volume 1 comprises the first part of contributions to the 11th International Conference on Bearing Capacity of Roads, Railways and Airfields (2022). In anticipation of the event, it unveils state-of-the-art information and research on the latest policies, traffic loading measurements, in-situ measurements and condition surveys, functional testing, deflection measurement evaluation, structural performance prediction for pavements and tracks, new construction and rehabilitation design systems, frost affected areas, drainage and environmental effects, reinforcement, traditional and recycled materials, full scale testing and on case histories of road, railways and airfields. This edited work is intended for a global audience of road, railway and airfield engineers, researchers and consultants, as well as building and maintenance companies looking to further upgrade their practices in the field.
Author: Association of Asphalt Paving Technologists
Publisher:
ISBN:
Category : Pavements, Asphalt
Languages : en
Pages : 816
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Book Description
Author: Guang Lin Wang
Publisher: Trans Tech Publications Ltd
ISBN: 3038265683
Category : Technology & Engineering
Languages : en
Pages : 694
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Book Description
Special topic volume with invited peer reviewed papers only.
Author: National Research Council (U.S.). Transportation Research Board
Publisher: Transportation Research Board National Research
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 216
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Book Description
