Author:De Beer, Morris; Sallie, Ismail MDate:Jun 2012In road design, accurate quantification of traffic loading remains a challenge. Research in South Africa with the Stress-In-Motion (SIM) system has concentrated on interaction forces between slow-moving tyres and the textured SIM device. A ...Read more
Author:Benade, R; Berman, RJ; Kienhöfer, F; Nordengen, Paul ADate:Jul 2016In South Africa there are approximately 12.5 truck-crash-related fatalities per 100 million kilometres travelled. This is between 4 and 10 times higher than a number of European countries such as Denmark, France, Germany and Switzerland and ...Read more
Author:Kemp, Lana; Nordengen, Paul A; Steenkamp, Anton J; Ithana, TDate:Oct 2018This paper presents the results of a newly-developed methodology that quantifies the road wear caused by heavy vehicles on the Namibian paved road network in terms of equivalent standard axles and a monetary value. This was achieved by ...Read more
Author:Nordengen, Paul ADate:Dec 2013The aim of this research was to apply, refine and demonstrate an alternative approach to the design and operation of heavy vehicles in South Africa with improved outcomes in terms of road transport productivity, vehicle safety performance, ...Read more
Author:Nordengen, Paul A; Coetzee, S; Roux, Michael P; Adolehoume, APDate:Sep 2006The Republic of Senegal has approximately 15 000 km of roads of which 4 300 km are paved. Senegal’s road network is considered to be one of the best in West Africa. One of the threats to the Senegal road network is overloaded heavy vehicles, ...Read more
Author:Steenkamp, Anton J; Kienhofer, F; De Saxe, CCDate:Sep 2021Previous research investigating the dynamic road wear produced by heavy vehicles has not included the effect of road crossfall. This study shows that road crossfall, even at values as low as 1%, has a significant effect on the predicted dynamic ...Read more
Author:Nordengen, Paul ADate:May 2010In most countries throughout the world, heavy vehicle use on the road network is controlled predominantly by prescriptive regulations. These regulations, in many cases, differ significantly from one country to another. Efforts in various parts ...Read more
Author:Nordengen, Paul A; Prem, H; Mai, LDate:May 2008The introduction of PBS for heavy vehicles in South Africa was first identified in the National Overload Control Strategy as a potential concession of a proposed Self-regulation initiative. In August 2004 a PBS committee was established to ...Read more
Author:Nordengen, Paul A; Steenkamp, Anton JDate:Nov 2016This paper describes the methodology that is being used for the performance assessment of PBS vehicles in terms of road structures as part of the PBS pilot project in South Africa. The assessment approach has evolved from the standard “bridge ...Read more
Author:Kemp, Lana; Steenkamp, Anton J; Nordengen, Paul ADate:Oct 2018Heavy vehicle traffic volumes continue to increase globally, causing the accelerated deterioration of pavement structures. This paper introduces an innovative methodology that quantifies road consumption attributed to heavy vehicles on a paved ...Read more
Author:Nordengen, Paul ADate:Jul 2013As part of a Performance-Based Standards (PBS) research programme for heavy vehicles in South Africa, a need was identified to design, manufacture and operate a number of PBS or Smart Truck demonstration vehicles in order to gain practical ...Read more
Author:Nordengen, Paul ADate:Mar 2010As part of a Performance-Based Standards (PBS) research programme for heavy vehicles in South Africa, a need was identified to design, manufacture and operate a number of PBS demonstration vehicles in order to gain practical experience in the ...Read more
Author:Roux, Michael P; Sallie, Ismail M; Nordengen, Paul A; Ras, H; De Franca, Volanda MPDate:Mar 2005Not 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
Author:De Beer, Morris; Van Rensburg, YvetteDate:16 Aug 2015Recently, analyses on Stress-in-Motion (SIM) data of heavy vehicles (HVs) from National Road 3 (N3) indicated that there are un-equal loading on dual tyre configurations. It was shown that the mass of approximately 70 percent of the outside ...Read more
Author:De Beer, Morris; Van Rensburg, YvetteDate:Aug 2015Recently, analyses on Stress-in-Motion (SIM) data of heavy vehicles (HVs) from National Road 3 (N3) indicated that there are un-equal loading on dual tyre configurations. It was shown that the mass of approximately 70 percent of the outside ...Read more
Author:Berman, R; Benade, RDate:Dec 2015The costs of logistics in South Africa are dominated by high transportation and fuel costs which are ultimately carried by consumers. An alternative regulatory framework for governing heavy vehicles is explored as a means to not only decrease ...Read more
Author:Nordengen, Paul ADate:Apr 2008Heavy vehicle overloading and road safety continue to be major problems on South African roads despite efforts at more effective enforcement by the road and traffic authorities. Overloading causes premature road deterioration and, together ...Read more
Author:Nordengen, Paul A; Oberholtzer, FDate:Jun 2006Heavy vehicle overloading and road safety continue to be major problems in South Africa notwithstanding efforts at more effective enforcement by the road and traffic authorities. Overloading causes premature road deterioration and, together ...Read more
Author:Dessein, T; Kienhöfer, F; Nordengen, Paul ADate:Mar 2010The preliminary design of a South African PBS vehicle to transport large-bore welded steel pipes is an important milestone in developing local expertise to analyse PBS designs. The design approach has drawn extensively from the PBS measures ...Read more
Author:Steenkamp, Anton J; Steenkamp, Andries LDate:Jul 2022The paved road network is a critical asset to any economy. South Africa has a paved road network that has an estimated value above R2 trillion. This asset is however under threat as there was a backlog in maintenance of more than R416.6 billion ...Read more