1 / 11

DEPARTMENT OF TRANSPORT & PUBLIC WORKS

DEPARTMENT OF TRANSPORT & PUBLIC WORKS. FOAMED BITUMEN WORKING GROUP Road Pavement Forum- Nov 2002 E. SADZIK. Foamed Bitumen Working Group. Background Created on RPF May 2001 Objective Compile SA experience on FB Conduct HVS testing Conduct comprehensive lab testing Prepare guidelines.

adrian-goff
Download Presentation

DEPARTMENT OF TRANSPORT & PUBLIC WORKS

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. DEPARTMENT OF TRANSPORT & PUBLIC WORKS FOAMED BITUMEN WORKING GROUP Road Pavement Forum- Nov 2002 E. SADZIK

  2. Foamed Bitumen Working Group Background • Created on RPF May 2001 • Objective • Compile SA experience on FB • Conduct HVS testing • Conduct comprehensive lab testing • Prepare guidelines

  3. Foamed Bitumen Working Group Process • Experimental sections on P243/1 (G6, 1.8% FB + 2% cement) • Workshop on draft guidelines held with the work group • Workshops for launch of guidelines held in Gauteng, KZN, Eastern Cape and Western Cape in September 2002

  4. Foamed Bitumen Working Group Guidelines • Published by Asphalt Academy www.asac.csir.co.za asac@csir.co.za

  5. Foamed Bitumen Working Group Issues related to FB • Lab versus field compaction • Effects of temp in lab on the measured properties • Effects of fillers: lime, slag • Need for better than ITS flexibility test • Need for “simple triaxial test” for shear parameters • Moisture damage in foamed mixes

  6. Foamed Bitumen Working Group Issues related to FB • Need for SA data base on foamed bitumen treated layers

  7. Foamed Bitumen Working Group Sponsors of Technical Guidelines: The Design and Use of Foamed Bitumen Treated Materials • SABITA • Gautrans

  8. Foamed Bitumen Working Group • Kim Jenkins - US • Dave Collings – AAL • Fenella Long - CSIR • Joe Grobler - VKE • Mervyn Henderson - Western Cape • Enrico Fletcher - Gautrans • Elzbieta Sadzik - Gautrans • Hennie Loots - SRT • Johan Calitz - Africon • Hechter Theyse – CSIR • Nicol van der Walt - Argus Gibb • Mike White - UWP

  9. Foamed Bitumen Working Group Future work: • N7 - G2, 1.8% FB + 1% cement • HVS testing • Comprehensive lab testing • Revision of guidelines – September 2003

  10. HVS TESTING ON N7 IN CAPE TOWN

  11. Foamed Bitumen Working Group N7 project sponsors: • SANRAL • Gautrans • Western Cape

More Related