1 / 8

Kim Jenkins SANRAL Chair in Pavement Eng University of Stellenbosch, South Africa

TRB INTERNATIONAL ACTIVITIES COMMITTEE. South African Activities - Highlights for 2007. Kim Jenkins SANRAL Chair in Pavement Eng University of Stellenbosch, South Africa. TRH 3 (2007). Scope of the document. Background to sealwork Investigation & seal type selection Pre-treatment

faris
Download Presentation

Kim Jenkins SANRAL Chair in Pavement Eng University of Stellenbosch, South Africa

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. TRB INTERNATIONAL ACTIVITIES COMMITTEE South African Activities - Highlights for 2007 Kim Jenkins SANRAL Chair in Pavement Eng University of Stellenbosch, South Africa

  2. TRH 3 (2007) Scope of the document • Background to sealwork • Investigation & seal type selection • Pre-treatment • Design • Conventional and modified binder • Sand seals, Single & Double seals, • Slurry and Cape seals • Fogspray and rejuvenators • Geotextile seals • Graded aggregate seals • Construction and quality control guidelines • Labour intensive sealing • Maintenance double seal

  3. Ultra Thin Continuously Reinforced Concrete Pavement (UTCRCP)

  4. Ultrathin continuously reinforced concrete pavement (UTCRCP) • cncPave being updated to include UTCRCP - 2007

  5. ME-design model • Provides opportunity for design refinement • Project specific input combined with design expertise • Utilisation of available road-building material

  6. Current and Future APT Focus areas Vehicle-pavement interaction – SIM TM

  7. Capacity Assessment Specifications FWD 200 mm BSM 1 Test Pits Visuals 130 mm C4 DCP > 200 mm G6 LAB CBR 7-15% Structural Design of CIPR with Cold Mix Materials Classification • Mix Design • Shear Strength • Durability • Flexibility Adopt aspects of Certainty Theory

  8. THANK YOU www.nra.co.za

More Related