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Browsing by Author "Maritz, Johan"

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Adapting asphalt pavements to climate change challenges

Author: Mokoena, Refiloe ; Mturi, Georges AJ ; Maritz, Johan ; Malherbe, Johan ; O'Connell, Johannes S Date: Oct 2019 Performance grade specifications for bituminous binders focus on the evaluation of bitumen properties based on the loading and environmental conditions under which the material will be subjected to in the field. The temperature of the asphalt ... Read more
Advances in geospatial analysis platforms and tools: Creating space for differentiated policy and investment responses

Author: Maritz, Johan ; Le Roux, Alize ; Van Huyssteen, Elsona ; Coetzee, M ; Mans, Gerbrand G ; Goss, H Date: Sep 2010 Over the last 5 years a set of incremental advances within geospatial analysis platforms and tools developed by the CSIR's Planning Support Systems in collaboration with key stakeholders such as The Presidency, enabled a more nuanced regional ... Read more
African case studies: Developing pavement temperature maps for performance-graded asphalt bitumen selection

Author: Mokoena, Refiloe ; Mturi, George AJ ; Maritz, Johan ; Mateyisi, Mohau ; Klein, Pieter Date: Jan 2022 The reliable performance of roads is crucial for service delivery, and it is a catalyst for domestic and cross-border spatial development. Paved national roads are expected to carry higher traffic volumes over time as a result of urbanization ... Read more
Are we achieving spatial transformation In South Africa? Can sub-city spatial indicators make a contribution?

Author: Maritz, Johan ; Van Huyssteen, Elsona ; Le Roux, Alize ; Pieterse, Amy ; Ndaba, Dumisani ; Mans, Gerbrand G ; Ngidi, Mawande Date: Jun 2016 With the advent of a democratic order in South Africa in 1994 a number of policy frameworks have seen the light. All of these have indicated the need to spatially transform cities and settlements – to break from the pre-1994 apartheid city. ... Read more
Assessing economic vulnerability in South African municipalities: A focus on mining-dependent regions using the Economic Complexity Index

Author: Rossouw, R ; Maritz, Johan Date: Dec 2023 South Africa’s historical reliance on mineral resources has established thriving towns and settlements, sustaining households for decades. However, the decline in demand for these resources and mine closures pose significant threats to the ... Read more
Climate change adaptation in the African roads sector: Constraints, opportunities and policy challenges

Author: Maritz, Johan ; Arnold, Kathryn A ; Roux, Michael P ; Le Roux, Alize ; Verhaeghe, Benoit MJA Date: Oct 2019 Roads play a vital role in strengthening the socio-economic development of regions in sub-Saharan Africa by providing local communities with critical connections between essential market points, service towns and infrastructure. To enhance ... Read more
Climate change adaptation in the African roads sector: Constraints, opportunities and policy challenges [poster]

Author: Maritz, Johan ; Arnold, Kathryn A ; Roux, Michael P ; Le Roux, Alize ; Verhaeghe, Benoit MJA Date: Oct 2019 Roads play a vital role in strengthening the socio-economic development of regions in Sub-Saharan Africa by providing local communities with critical connections between essential market points, service towns and infrastructure. The United ... Read more c b
Developing spatial indicators using a uniform tessellation to measure urban transformation

Author: Maritz, Johan ; Le Roux, Alize ; Mans, Gerbrand G Date: Jul 2017 South Africa’s largest cities are subjected to high rates of urbanization with a projected 8 million people migrating to these urban spaces by 2030 [ 1]. Managing and guiding this growth is made more difficult due to the countries ‘apartheid ... Read more
Development of a logistics brokering system for South Africa's displaced rural residents

Author: Maritz, Johan Date: Jun 2009 A key challenge in rural environments is to overcome constraints such as high transport cost, irregular or unpredictable transport services, transport of low passenger and freight volumes, low logistics service demand and supply, limited local ... Read more
Development, use and potential contribution of appropriate ICT-based service systems to address rural transport related accessibility constraints - Emerging lessons from case studies in South Africa

Author: Maritz, Johan ; Maponya, G Date: Aug 2010 Rural environments suffer a number of constraints including high transport cost, irregular or unpredictable transport services, transport of low passenger and freight volumes, and low logistics service demand and supply. Rural residents, ... Read more
Embedment of climatic effects in the road asset management process

Author: Roux, Michael P ; Verhaeghe, Benoit MJA ; Maritz, Johan ; Arnold, Kathryn A ; Le Roux, Alize Date: Oct 2019 The United Nations Environmental Programme describes the African continent as a ‘vulnerability hotspot’ for climate change. During the past four decades African countries have experienced more than 1 500 recorded weather-related disasters. ... Read more
Emerging potential for radical e-enabled improvements in rural collaboration and accessibility

Author: Naude, AH ; Maritz, Johan Date: May 2007 The focus of this paper is the emerging potential for radical e-enabled changes involving two key rural development drivers, namely: Enhanced collaboration - addressing problems such as small enterprise sizes low rural demand and supply chain ... Read more
Geospatial accessibility analysis of primary health care clinics in the Mbizana local municipality in the Eastern Cape

Author: Ragoasha, Matsubu V ; Maritz, Johan ; Cooper, Antony K Date: Sep 2018 A key challenge in rural South Africa is providing social facilities such as clinics. This is difficult due to the nature of settlement distributions, especially in traditional authority areas. Geospatial accessibility analysis can help find ... Read more
Geospatial analysis platform: Supporting strategic spatial analysis and planning

Author: Naude, A ; Van Huyssteen, Elsona ; Maritz, Johan ; Badenhorst, W Date: Nov 2008 Whilst there have been rapid advances in satellite imagery and related fine resolution mapping and web-based interfaces (e.g. Google Earth), the development of capabilities for strategic spatial analysis and planning support has lagged behind, ... Read more
Integration of IAM and GIS technologies to support decision making in the planning and procurement of physical infrastructure for the treatment of drug-resistant tuberculosis in South Africa

Author: Abbott, GR ; Parsons, SA ; Maritz, Johan ; Badenhorst, W ; De Jager, Peta Date: Oct 2008 While positive progress was being made in the latter half of last century in the treatment of the Mycobacterium tuberculosis (TB) epidemic across the world, the emergence of new drug resistant forms – multi drug-resistant TB (MDR-TB) and ... Read more
Planning for a post-mining future in the Rustenburg region and the transition towards it?

Author: Maritz, Johan ; Oranje, Mark ; Van Huyssteen, Elsona ; Nel, Verna Date: Jun 2021 Over the past 150 years, mining has been one of the most influential shapers of economic activities, social relations, spatial development patterns, power tussles and structures, political questions and debates, institutional structures, and ... Read more
A regional model for equitable social service delivery: Settlement prioritisation and supporting infrastructure to foster rural well-being

Author: Green, Chéri A ; Maritz, Johan ; Van Huyssteen, Elsona ; Oranje, M ; Sogoni, Z Date: Jul 2019 Enabling equitable social service delivery and promoting sustainable rural development remain key challenges within South African rural areas. Fiscal constraints, the high cost of social service provision and growing rural settlements ... Read more
SADC’s settlement hierarchy and networks in support of cross-border regional development

Author: Maritz, Johan ; Le Roux, Alize ; Van Huyssteen, Elsona Date: Mar 2024 This chapter emphasises the merit of creating a SADC regional settlement profile. It unfolds in three segments: review of regional settlement development trends; spotlight on urban significance and the imperative of a shared settlement profile, ... Read more
Seeking to improve spatial justice - the case of rationalising the district court areas in South Africa - utilising several spatial analysis methods.

Author: Maritz, Johan ; Moagi, M Date: Aug 2015 It is the right of every South African to have just or fair access to justice. Due to South Africa’s past spatial development history the location of people versus where facilities are, is not always in balance. This paper describes work ... Read more
Spatial Change as Drivers of Risk and Vulnerability in South Africa: Spatial trends in the 3 metropolitan cities of Gauteng

Author: Pieterse, Amy ; Van Niekerk, Cornelia W ; Le Roux, Alize ; Van Huyssteen, Elsona ; Mans, Gerbrand G ; Maritz, Johan Date: Jul 2016 Urban spatial change trends manifest most noticeably in Gauteng. This not only confirms perceptions about metros as increasingly being the spaces where the future of South Africa's youth will be determined, but also once again rings the alarm ... Read more

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