Accession Number:

AD0661515

Title:

SCALE MODEL AND FULL-SCALE VEHICLE TESTING IN COHESIVE CLAY SOILS.

Descriptive Note:

Technical rept.

Corporate Author:

SOUTHWEST RESEARCH INST SAN ANTONIO TEX DEPT OF AUTOMOTIVE RESEARCH

Personal Author(s):

Report Date:

1964-05-01

Pagination or Media Count:

55.0

Abstract:

Vehicle performance tests were conducted in low-, medium-, and high-cohesion disaggregated clay soils through a wide moisture content range in an attempt to correlate off-the-road performance of models to full-scale vehicles by the use of the similitude theorem. The investigation included a study of all soil parameters that could affect vehicle performance in these soils. The effects of vehicle weight, tire design, speed, slip, and soil characteristics on drawbar pull and tire sinkage were determined for all three types of soils for a complete range of moisture content levels. Correlation between full-size vehicle performance and scale models can be accomplished by using proper scaling factors. Author

Descriptors:

• *VEHICLES
• PERFORMANCE(ENGINEERING)
• MODEL TESTS
• TERRAIN
• CLAY
• TRAFFICABILITY
• MOISTURE

Subject Categories:

• Surface Transportation and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE