{"id":66771,"date":"2016-03-26T19:53:15","date_gmt":"2016-03-26T17:53:15","guid":{"rendered":"http:\/\/www.myza.co.za\/sanral-announces-new-materials-testing-facility-for-eastern-capes-national-road-infrastructure\/"},"modified":"2016-03-26T19:53:15","modified_gmt":"2016-03-26T17:53:15","slug":"sanral-announces-new-materials-testing-facility-for-eastern-capes-national-road-infrastructure","status":"publish","type":"post","link":"https:\/\/www.myza.co.za\/press\/sanral-announces-new-materials-testing-facility-for-eastern-capes-national-road-infrastructure\/","title":{"rendered":"SANRAL announces new materials testing facility for Eastern Cape\u2019s national road infrastructure"},"content":{"rendered":"
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Lindokuhle Mahlangeni and Sandiswa Jekwa both candidates at SANRAL\u2019S Centre of Excellence (wearing white coats) with senior laboratory manager Jeremy Dick (left) and Sean Strydom SANRAL\u2019S material lab technician were busy working with a water sorptivity device which tests the durability of concrete structures in harsh and aggressive environments.<\/p>\n<\/div>\n

Port Elizabeth, 24 March 2016 \u2013 The South African National Roads Agency Limited (SANRAL) continues to invest in innovative programmes for a world-class national road infrastructure in the Eastern Cape.<\/p>\n

SANRAL today announced the opening of a new engineering materials laboratory that will see road materials from across the Eastern Cape now tested in Port Elizabeth. The facility will also double up as a skills development centre where graduate engineers in SANRAL\u2019s experiential learning programme can get invaluable exposure to and even focus on materials engineering.<\/p>\n

The civil engineering materials testing lab enables SANRAL to test the properties of construction materials used in road maintenance activities as well as in development and upgrading of the national roads. It will also give SANRAL a second-tier quality assessment tool through comparative or correlation tests done independently from, but concurrently with, the tests of site material labs conducted on conventional road engineering projects in the province.<\/p>\n

\u201cHaving an independent comparison is widely regarded as one of the most valuable tools to check the site lab\u2019s accuracy,\u201d says Sean Strydom, SANRAL Southern Region materials specialist.<\/p>\n

\u201cThe accuracy of test results have a significant impact on whether we accept or reject the quality of work in our efforts to deliver roads that are in line with international standards. Any additional assurance of the accuracy is of great value,\u201d he explains.<\/p>\n

\u201cThrough this initiative, we will be able to ensure that remote site material labs are compliant with the quality management standards similar to what is required for the accreditation of a materials testing labs through the South African National Accreditation System (SANAS),\u201d he says.<\/p>\n

The new engineering materials laboratory consists of testing facilities to determine the properties of soils and gravel, asphalt, concrete and bituminous binders. On a more advanced level, the lab has been equipped with a Dynamic Shear Rheometer (DSR) to understand the viscoelastic behaviour of binders used is seal and asphalt surfacing, at medium to high temperatures.<\/p>\n

Other testing infrastructures will allow SANRAL to conduct oxygen permeability, water absorptivity and chloride conductivity tests on high durability concrete. In terms of geotechnical testing, drained and undrained triaxle testing on undisturbed or reconstituted samples which will be of huge assistance in the monitoring of potentially unstable slopes along the national road network in the region.<\/p>\n

The new road material testing facility in PE also plays a critical role in developing South Africa\u2019s next generation of engineering professionals. It will also serve as a training facility where SANRAL\u2019s Centre of Excellence students can build their understanding of materials engineering through practical experience. The centre currently houses 26 engineering graduates from across South Africa on a three-year in-house experiential training programme, which will assist them to be able to register as professional engineers.<\/p>\n

\u201cFrom a developmental perspective, it is critical to ensure that South Africa\u2019s future engineers have a fundamental understanding of the properties of the materials used in road infrastructure development,\u201d says Simon Peterson, SANRAL Southern Region Manager.<\/p>\n

\u201cThe current generation of senior engineers was deployed to commercial or provincial laboratories after they complete their studies. It was very much part of the development plan at that time. Unfortunately, as time progressed, disinvestment in road materials testing facilities occurred. In fact, only one provincial road materials testing facility in the country has maintained its SANAS accreditation,\u201d said Peterson.<\/p>\n

\u201cThe idea is for upcoming engineers, who are enrolled on our three year experiential training programme, to spend between three and four months at the road materials testing lab,\u201d he said.<\/p>\n

\u201cThe graduates will be doing hands-on testing, and they will be guided to understand the limitations of road material tests in terms of the methods and the interpretation of the results.\u201d<\/p>\n

According to Strydom, there are also plans on the cards to use the facility for the summative assessment of a new road materials testing qualification which is currently being developed with sponsorships from the Southern African Bitumen Association (SABITA) and SANRAL.<\/p>\n

\u201cAs an additional spinoff, our lab can be used as an assessment centre for the new materials testing qualification. The summative assessment is the evaluation of a practical skills set, and tests have to be conducted before an assessor. Preparation of the equipment and materials used for the evaluations and the evaluation itself can take place at this lab,\u201d he said.<\/p>\n

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\"DSC_3118-2\"<\/p>\n

Lindokuhle Mahlangeni captures the results of the Average Least Dimension (ALD) apparatus, while Rodger Nkawu laboratory senior material tester uses the ALD to measure the height of road stones for surface treatment.<\/p>\n<\/div><\/div>\n

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\"DSC_3064-2\"<\/p>\n

Sandiswa Jekwa a candidate at SANRAL\u2019S Centre of Excellence in Port Elizabeth uses a Dynamic Shear Rheometer (DSR) to measure the visco elastic properties of the bitumen materials.<\/p>\n<\/div><\/div>\n

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