The 'Marshall stability test' is used for designing:
Choose the correct answer
Concrete pavement (rigid) mix design
Bituminous (asphalt) pavement mix design — finding optimum binder content from stability and flow tests
Subgrade soil strength
Cement stabilised base design
Correct Answer
B. Bituminous (asphalt) pavement mix design — finding optimum binder content from stability and flow tests
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Marshall test (IS 73, ASTM D6927): used for design of bituminous (hot mix asphalt) mixes. Determines optimum bitumen content by preparing specimens at various binder percentages, measuring stability (load at failure at 60°C) and flow (deformation). Design criteria: minimum stability, flow limits, air voids 3–5%, VFB 65–75%.
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