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Testing and Evaluation of Large, Off-Highway Haulage Truck Brake Systems
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English
Abstract
Performance requirements of service brakes for large off-highway haulage trucks have recently been questioned, particularly for downgrade hauls as experienced in many Western mining operations. Underwood McLellan & Associates Limited, Consulting Engineers, has been engaged in a program of testing and evaluating the performance of several types and sizes of brakes which are commercially available to the industry.
Unique procedures were developed to acquire performance data at high levels of energy input to the brakes of trucks having GVW's in the order of 350,000 to 550,000 pounds. This paper describes the background and development of the test program and procedures, the testing details, the method of data evaluation, and a summary of performance characteristics as deduced from the test data analysis.
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Citation
Ritcey, R. and Taciuk, W., "Testing and Evaluation of Large, Off-Highway Haulage Truck Brake Systems," SAE Technical Paper 770547, 1977, https://doi.org/10.4271/770547.Also In
References
- Dawson V. E. “Observations Concerning On-Site Brake Testing of Large Mining Trucks in British Columbia.” SAE Publication 750560
- Walker G. “Recommended Standards for the Service Brakes on Large Trucks in Mountain Mining Service.” SAE Publication 760430
- Zorn William “Wabco - 150 Ton Electric Truck - Facts and Figures.” SAE Publication 720374
- Murphy R. W. Limpert R. Segel L. “Development of Braking Performance Requirements for Buses, Trucks and Tractor-Trailers.” SAE Publication 710046
- Lehman R. C. “The History and Development of Minimum Performance Brake Criteria for Off-Highway Rubber Tired Vehicles.” SAE Publication 720798
- Market M. E. “Disc Brakes for Heavy Duty Vehicles.” SAE Publication 720060