Experimental Investigation of the Size Effect on Roller-Compacted Hydraulic Asphalt Concrete under Different Strain Rates of Loading.

However, when the specimen size increases, U , U d , and U e all show a decreasing trend, and the amplitude of this decreasing trend becomes more obvious with the increase in strain rate.

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Moreover, as the specimen increases and the strain rate decreases, U e / U shows a gradually decreasing trend while U d / U shows an increasing trend, indicating that the proportion of elastic strain energy used to release decreases at this time, and the degree of brittle failure of the specimen also decreases.

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