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Browsing by Subject "Pavement design"

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Applying the dynamic cone penetrometer (DCP) design method to low volume roads

Author: Paige-Green, P Date: Jul 2011 The Dynamic Cone Penetrometer (DCP) has been in use since the 1950s for various applications in pavement investigation. During the 1980s, Kleyn and Van Zyl described a method for upgrading unsealed roads to light sealed road standard based ... Read more
Bitumen rubber asphalt mix testing for South African pavement design method

Author: Anochie-Boateng, Joseph ; Denneman, E ; Verhaeghe, Benoit MJA Date: Jul 2011 The South Africa National Road Agency Ltd has entered into a research and laboratory testing agreement with the CSIR to support the revision of the South African Pavement Design Method (SAPDM). The research includes characterising a bitumen-rubber ... Read more
Fracture mechanics in pavement design

Author: Denneman, E ; Wu, R ; Kearsley, EP ; Visser, AT Date: Jul 2009 Pavement materials are subjected to high-cycle loading regimes. Conventional design methods employ the Palmgren-Miner damage hypothesis to predict the fatigue life of pavement materials. The material itself is usually characterized in the ... Read more
Guidelines for upgrading of low volume roads

Author: Division of Roads and Transport Technology CSIR ; Jordaan & Joubert Inc. Date: Mar 1993 The purpose of this manual is to provide guidelines on the upgrading of gravel low volume roads to roads and maintenance personnel of road authorities of all sizes. Low volume is, for the purpose of this document, defined to be less than 500 ... Read more
Hot-mix asphalt testing for the South African pavement design method

Author: Anochie-Boateng, Joseph ; Denneman, E ; O'Connell, Johannes S ; Mturi, George AJ ; Ventura, D Date: Aug 2010 As part of the revision of the South African Pavement Design Method (SAPDM), a large scale field and laboratory study into the material response of asphalt mixtures will be undertaken. A first step in this process is to review the state-of-the ... Read more
Interim revision of the South African Mechanistic-Empirical pavement design method for flexible pavements

Author: Theyse, HL ; De Beer, Morris ; Maina, JW ; Kannemeyer, L Date: Sep 2011 Pavement design methods, in combination with network level management systems must enable road authorities to develop reliable long-term financial plans based on the estimated structural capacity of the road network. Inaccurate design models ... Read more
Mechanistic-empirical compatible traffic data generation: Portable WIM versus cluster analysis

Author: Walubita, LF ; Fuentes, F ; Faruk, NM ; Komba, Julius J ; Naik, B ; Prakoso, A Date: May 2020 Axle load distribution factors (ALDFs) are used as one of the primary traffic data inputs for mechanistic-empirical (ME) pavement design methods for predicting the impact of varying traffic loads on pavement performance with a higher degree ... Read more
Method to determine full work of fracture from disk shaped compact tension tests on hot-mix asphalt

Author: Denneman, E Date: Aug 2010 Fatigue cracking is an important mode of failure in hot-mix asphalt (HMA). As part of the revision of the South African pavement design method (SAPDM) a need was identified to assess the fracture toughness of HMA in terms of fracture energy. ... Read more
Modelling tyre-road contact stresses in pavement design and analysis

Author: Maina, JW ; De Beer, Morris ; Van Rensburg, Yvette Date: Jul 2013 Growing traffic volumes, increasing construction and maintenance costs continually drive for more innovative approaches and methodologies towards sustainable road infrastructure. At the current price levels of around R6000 per metric tonne, ... Read more
Monitoring of long-term pavement performance sites in the Western Cape Province of South Africa

Author: Anochie-Boateng, Joseph ; Van der Merwe Steyn, WJ ; Truter, L Date: Nov 2015 In 2005, the Department of Transport and Public Works of the Western Cape province in South Africa entered into a contract with the Council for Scientific and Industrial Research (CSIR) in South Africa to start a Long-Term Pavement Performance ... Read more
Resilient response characterisation of hot-mix asphalt mixes for a new South African pavement design method

Author: Anochie-Boateng, Joseph ; O'Connell, Johannes S ; Denneman, E ; Verhaeghe, Benoit MJA Date: Sep 2011 The South Africa National Road Agency Ltd (SANRAL) is in the process of revising the South African Pavement Design Method (SAPDM). A necessary part of this programme is to develop resilient response models. Dynamic (complex) modulus has been ... Read more
Revision of South African pavement design method

Author: Kannemeyer, L ; Theyse, HL ; Verhaeghe, Benoit MJA ; Van As, SC Date: Aug 2015 South Africa has a long pavement engineering history in terms of developing methodologies and solutions for supporting the local economy using available materials under specific environmental and socio-economic conditions. Over the past 10 ... Read more
Road Materials and Pavement Design, Volume 19, Issue 2

Author: De Beer, Morris Date: Mar 2018 Morris de Beer is an associate editor for the journal Road Materials and Pavement Design Read more
Road Materials and Pavement Design, Volume 19, Issue 5

Author: De Beer, Morris Date: Jul 2018 Morris de Beer is associate editor of the journal titled Road Materials and Pavement Design Read more
Road Materials and Pavement Design. Editorial board, Volume 18, Issue 4

Author: De Beer, Morris Date: 2017 Morris de Beer is an associate editor of the Road Materials and Pavement Design journal Read more
Road Materials and Pavement Design. Editorial Board. Volume 19, Issue 7

Author: De Beer, Morris Date: Aug 2018 Morris de Beer is associate editor of the journal titled Road Materials and Pavement Design Read more
Road Materials and Pavement Design. Editorial board. Volume 19, Issue 8

Author: De Beer, Morris Date: Oct 2018 Morris de Beer is associate editor of the journal titled Road Materials and Pavement Design Read more
Towards appropriate standards for rural roads: discussion document

Author: van Zyl, GD ; Jordaan, PW ; Bofinger, HE ; Curtayne, PC ; de Beer, E ; Emery, SJ ; Jones, DJ ; Paige-Green, P ; Pienaar, PA ; Ribbens, H ; Shackleton, MC ; Wolff, H Date: Mar 1993 The road user in South Africa currently experiences a large gap between gravel and paved roads in terms of the serviceability and standards which are applied. Because of the high coasts associated with current paved road standards, the provision ... Read more
Use and interpretation of the dynamic cone penetrometer (DCP) test

Author: Paige-Green, P ; Du Plessis, L Date: Sep 2009 During the early 1930's the California Bearing Ratio test (CBR) was developed for the testing of material strength in the laboratory for the design of pavements. The test involves the compaction of a potential road-building material into a ... Read more
Weak interlayers in flexible and semi-flexible road pavements: Part 1

Author: Netterberg, F ; De Beer, Morris Date: Apr 2012 Weak layers, interlayers, laminations and/or interfaces in the upper structural layers of road pavements are specifically prohibited in most road-building specifications. However, such layers are extremely common and often lead to premature ... Read more

Now showing items 1-20 of 20

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