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Fakiness And Elongation Index

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Effect of flakiness & elongation indices on strength and Serviceability Characteristics of Asphalt Concrete Ch. Venkatesh1, Ch. HarinathChowdary2, V. Ranjith Kumar3 1Ch. Venkatesh (M.Tech -Transportation Engineering) Malla Reddy Engineering College 2Ch. HarinathChowdary, M.Tech- Transportation Engineering 3V. Ranjith Kumar Asst. Professor, Malla Reddy Engineering College 1venky.chamakura634@gmail.com 2 harinathchowdary1@gmail.com 3ranjithkumar65@rediffmail.com Abstract-- Flakiness & Elongation index is one of the most prominent criteria that govern behavior and performance of aggregate in the bituminous mixes. The strength and serviceability requirements of bituminous mixture such as Stability, Flow, Voids in Total mix (VTM), Voids Filled with Bitumen and (VFB) highly depend on the physical properties of aggregates. This study conducted by observing the effect of flakiness & elongated index by adding different …show more content…

OBJECTIVE OF STUDY To study the effect of different proportions of flaky & elongated particles (0 %, 10%, 20%, 30%, 40%, and 50%) taking 5.2% as constant bitumen content of CRMB. • To study the basic properties of CRMB. • To study the properties of stability, flow by varying the percentages of elongated aggregates using Marshall stability test • To study the bulk density and volumetric properties (VTM, VFB, VMA) 0f Marshall Specimen’s. III. EXPERIMENTAL INVESTIGATIONS Basically the materials that are used in this study include aggregate components such as stone dust and flaky & elongated aggregates. Second important item is Base bitumen. The most important tests which are carried out along this thesis are sieve analysis, flakiness & elongation index test and Mix design by using Marshall Mix design method. Aggregate Impact Test Los Angeles abrasion Test Aggregate crushing value Test Stripping Test of aggregate Flakiness & Elongation index Test of aggregate Specific gravity of aggregate Bitumen Penetration

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