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Testing Materials
LABORATORY TESTING OF HIGHWAY MATERIALS INSTRUCTIONS

1. STATEMENT OF ORIGINALITY
Certified that this is the bonafide research work of Mr. Albert M. Dintweng and has a Summarized title; Laboratory Testing Of Highway Materials Instructions. Compiled from January 2011 until December 2011. Signature:_________________

2. DISCLAIMER
While utmost care has been taken in the preparation of this instruction report to provide reliable information, the author shall not be liable for any decision or action taken based on or arising from the use of such information.

3. ACKNOWLEDGEMENTS
The author would like to thank the senior personnel at the Central Materials lab for their contribution in the success of this report particularly the Principal Roads Engineer, Mr B Moetshe and the Senior Roads Engineer, Mr. B B Telikapalli, for giving me multitudes of information on road materials. The other helpful person was Mr. M Motshelamadi as he was the person responsible of my welfare at the department. The presence of technicians namely Mr. A Mafikeng, Mr. Pilane, Mr. Nduna was a blessing as they were the ones doing the day to day assistance to me. The other personnel especially the CMA, SMA and MA were helpful as they were the ones responsible for the demonstrations on different tests.
The other person to thank is Dr Egwurube for taking his time to check my progress and his questions were truly helpful as they helped me confidence on my work.

To all who participated in this research thank you, let GOD be with you.

4. LIST OF ABBREVIATIONS

AASHTO-American Association of State Highway Transportation Officials
ABCC -Aggregates, Bitumen, Concrete, Cement
ALD -Average least Dimension
BRDM- Botswana Road Design Manual
CBR -California Bearing Ratio
CMA -Central Material Assistant
CML-Central Materials Lab
Dept.

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