Evaluation of the effect of deteriorating riding quality on bus-pavement interaction

Dreyer, Craig; Steyn, Wynand Jacobus Van der Merwe

doi:10.17159/2309-8775/2015/v57n3a1

Cited by 7 publications

(4 citation statements)

References 10 publications

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“…The obtained deceleration/acceleration values indicate much higher horizontal forces induced in the high traffic impact areas, as compared to free flow traffic The impact of these forces on the pavement condition could be considerable. This approach to higher traffic impact determination, including horizontal forces in particular, was proposed in some earlier studies on the subject [37,38,[40][41][42]. The traffic surveys carried out as part of this study were limited to passenger car speeds, which are not considered in the structural design of road pavements.…”

Section: Traffic Survey Resultsmentioning

confidence: 99%

“…A comparison of the obtained deceleration/acceleration values indicates that horizontal forces should not be left out in pavement design wherever their impact plays a major role, such as areas right at vertical deflections. An accumulation of these residual stresses over time may lead to premature pavement deterioration [37,38,[40][41][42]. With the traffic survey and TLS data (Section 3) in hand, we can now try to determine the causes of the higher traffic impact on the pavement condition 20 years after the home zone implementation.…”

Section: Traffic Survey Resultsmentioning

confidence: 99%

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Design of Concrete Block Paving in Home Zone Traffic Circle Areas

Majer,

Sołowczuk,

Kurnatowski

2024

Sustainability

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Contemporary street space upgrade or regeneration projects tend to include setting up home zones that are located in large city suburbs, smaller towns or spas. These home zones feature one-way streets, merging of a pavement and carriageway into one level surface and various traffic calming measures (TCM), including speed tables and traffic circles (TC). Concrete paving blocks are the preferred surfacing material. As part of this study, traffic surveys were carried out in a small seaside spa in Poland to determine the accelerations and decelerations of vehicles passing through four traffic circles that have different central island heights and different streetscape characteristics. A visual assessment of the pavement condition was also carried out. The pavement deformation changes were analysed using 3D models derived on the basis of the terrestrial laser scanning data obtained with the Trimble SX10 scanning total station. The existing pavement structure was analysed as part of this study. Next, the areas that require strengthening were identified based on subsidence and horizontal forces analyses, with the latter calculated from the observed decelerations and accelerations of the passing vehicles. Finally, design guidelines are given for concrete block surfacing in high traffic impact locations.

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Section: Traffic Survey Resultsmentioning

confidence: 99%

Section: Traffic Survey Resultsmentioning

confidence: 99%

Design of Concrete Block Paving in Home Zone Traffic Circle Areas

Majer,

Sołowczuk,

Kurnatowski

2024

Sustainability

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“…Deteriorating riding quality and poor infrastructure cause higher vehicle operating costs [105] South Africa, 2015…”

Section: Costsmentioning

confidence: 99%

Shaping a New Level of Bus Service under a Novel Concept of Bus Interaction: A Meta-Review

Van-Huy¹,

Kikuchi²,

Hisashi³

2023

JTTs

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Public transport services, particularly bus services, play an important role in a sustainable transportation system. However, despite various efforts, bus ridership has decreased. The appearance of shared and on-demand vehicle services is one of the main reasons for this issue. In addition, bus tourism services have been successfully developed to meet the exigent needs of tourists. Therefore, a new level of daily bus service is necessary to adapt to the changing demands of customers. Bus interaction (BI) plays an important role in bus services. Nevertheless, the conventional concept of BI mainly refers to users, physical interaction, and safety, but it does not address non-users, non-physical interactions, service quality, and other aspects. This study aims to elaborate on a new concept of bus services. Based on this, we developed a theoretical framework for BI. A meta-analysis was then conducted to identify the achievements and untouched aspects. The results of this study provide three main contributions. First, an unprecedented novel concept of BI is defined, including 13 types of interactions. Second, a comprehensive theoretical framework of BI is established based on the relationships between eight sustainable bus system sub-aspects and 13 BI types. Third, based on the theoretical framework and findings of the reviewed studies, a common finding comprehensive framework of BI is completed, which is accompanied by 1) key findings of the 13 BI types, 2) conclusions of traffic conditions affecting BI research, 3) BI research gaps, and 4) 16 main suggestions for future BI research.

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“…That is, road roughness can increase bus repair and maintenance costs by more than 30% (Dreyer and Steyn 2015), and increase vehicle fuel consumption by as much as 5 percent (Klaubert 2001).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Transit Ride Quality

Cutr¹

2016

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Strategies often proposed to combat the growing traffic congestion problems of urban environments target enhancements to increase the use of bus transit. Therefore, service providers are keen to identify and understand factors that could attract more transit riders. Other than affordability, most researchers explored convenience and stress factors such as schedule uncertainty, waiting time, travel time, crowding, noises, and smells. However, few studies evaluated the significance of ride quality. The high cost to collect and analyze roughness data likely deters such studies. This work developed a low-cost smartphone based method and associated data transforms to characterize ride quality for non-uniform speed profiles. The method distinguished between vibrations induced from road unevenness and operator behavior. The authors validated the accuracy of the method by conducting surveys to characterize the perceived roughness intensities from buses traveling routes of distinctly different roughness levels. The surveys found that smooth rides mattered to most passengers, and that rough rides could even lead to some loss of ridership. Additionally, the authors proposed a theory of roughness acclimation and provided some evidence that unlike objective measurements, subjective assessments of ride quality could lead to significant biases and inconsistencies.

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Evaluation of the effect of deteriorating riding quality on bus-pavement interaction

Abstract: Dreyer CMW, Steyn WJvdM. Evaluation of the effect of deteriorating riding quality on bus-pavement interaction.

Cited by 7 publications

References 10 publications

Design of Concrete Block Paving in Home Zone Traffic Circle Areas

Design of Concrete Block Paving in Home Zone Traffic Circle Areas

Shaping a New Level of Bus Service under a Novel Concept of Bus Interaction: A Meta-Review

Characterization of Transit Ride Quality

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