{'fraction_non_alphanumeric': 0.03354978354978355, 'fraction_numerical': 0.006493506493506494, 'mean_word_length': 4.572289156626506, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
The effect of using rice husk ash as filler on moisture susceptibility of asphalt mix

Rice husk ash (RHA), as a by-product of rice mill, has recently been used in highway construction. However, the use of RHA in asphalt mix is still in very early stage. This study aimed at investigating the effect of using RHA as filler in different proportion on moisture damage in dense graded bituminous mix. For that, optimum bitumen content (OBC) of the conventional mix (i.e. the mix containing 2% hydrated lime as filler) and mixes containing 2%, 4%, 6% and 8% RHA as filler were determined by Marshall mix design. The moisture susceptibility of the samples, prepared at OBC were then evaluated by tensile strength ratio, retained Marshall stability and cantabro test. The test results indicated that, the use of RHA in 4% filler ratio not only decreases the OBC of the mix subsequently shows a good resistance to moisture-induced.