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Browsing by Subject "Road damage"

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Evaluation of damage to a road and sports complex on expansive clays

Author: Mgangira, Martin B ; Paige-Green, P Date: Aug 2008 The paper discusses a road rehabilitation project and a sports complex, where the underlying in situ materials were typical African black cotton soils known for their expansive characteristics. Field investigations were undertaken to discern ... Read more
Load equivalency factors (LEFs) for abnormal vehicles (AVs) and mobile cranes in South Africa based on the mechanistic-empirical (M-E) design methodology

Author: De Beer, Morris ; Sallie, Ismail M ; Van Rensburg, Yvette ; Kemp, Mauritz J Date: Jul 2009 This paper describes the proposed new methodology for the determination of the Permit Mass Fees for Abnormal road Vehicles (AVs) based on the estimation of road damage. The existing South African mechanistic-empirical (M-E) pavement design ... Read more
Overload road damage model

Author: Roux, Michael P ; Sallie, Ismail M ; Nordengen, Paul A ; Ras, H ; De Franca, Volanda MP Date: Mar 2005 Not only do overloaded vehicles pose an increased safety risk on the road (reduced stability and braking efficiency etc.), but they also accelerate the rate of deterioration of the road network and increase road maintenance costs, which in ... Read more
Performance-based standards (PBS) vehicles for transport in the agricultural sector

Author: Nordengen, Paul A ; Prem, H ; Lyne, PWL Date: Jul 2008 The South African sugar industry spends in the order of R750 million per annum on sugarcane transport. Although rationalisation processes are in progress, innovative systems are needed to reduce these costs even further. The current fleet ... Read more
Reconstruction of road defects and road roughness classification using vehicle responses with artificial neural networks simulation

Author: Ngwangwa, HM ; Heyns, PS ; Labuschagne, FJJ ; Kululanga, GK Date: Apr 2010 This paper proposes a procedure for utilizing measured responses on a vehicle to reconstruct road profiles and their attendant defects. The study seeks to capitalize on the popularization of vehicle information systems, where sensors are ... Read more
Revision of TRH 11 (1999-2000). Recovery of road damage – discussion document on a provisional basis for possible new estimation of mass fees – under review for TRH 11 (2000) – final summary report V1.0

Author: De Beer, Morris ; Sallie, Ismail M ; Van Rensburg, Yvette Date: Aug 2009 This summary report describes the proposed new methodology for the determination of the Permit Mass Fees for Abnormal road Vehicles (AVs) based on the estimation of road damage. The South African mechanistic-empirical pavement design methodology ... Read more

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Browsing by Subject "Road damage"

Browsing by Subject "Road damage"

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