Flakiness And Elongation Index Test Procedure Pdf

flakiness and elongation index test procedure pdf

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This test is used to determine the particle shape of the aggregate and each particle shape being preferred under specific conditions. Rounded aggregates are preferred in concrete roads rigid pavements as the workability of concrete increases due to the less friction between the surfaces.

Flakiness Index Test for Aggregates

Flaky and elongation particles are considered undesirable as they cause weakness of the pavement. Rounded aggregates are preferred in cement concrete pavements as the workability of concrete improves. Regular shapes of particles are desirable for granular base course due to increased stability desired from better interlocking. When the shape of aggregates deviates more from the spherical shape, as in the case of angular, flaky and elongation aggregate the void content increase and hence the grain size distribution of the aggregates has to be suitable altered in order to obtain minimum voids in the dry mix on the maximum density. To determine the flakiness and elongation indices of the given aggregate sample.

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Objective Particle shape and surface texture influence the properties of freshly mixed concrete more than the properties of hardened concrete. Rough-textured, angular, and elongated particles require more water to produce workable concrete than smooth, rounded compact aggregate. Consequently, the cement content must also be increased to maintain the water-cement ratio. Sieves required are 63, 50, 40, Thickness Gauge have width equal to 0. Length Gauge have length equal to 1. Reaffirmed- Dec

Flakiness Index and Elongation Index Test on Coarse Aggregates

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Exp 1 Flakiness and Elongation Index

Length Gauge have length equal to 1. Reaffirmed- Dec 4. A quantity of aggregate shall be taken sufficient to provide the minimum number of

Type of pavement.

38 Replies to “Exp 1 Flakiness and Elongation Index”

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Determination of the Flakiness and the Elongation Index for the Given Aggregate Sample.

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 Такие перестановки - стандартный прием. Танкадо знал, что вы испробуете различные варианты, пока не наткнетесь на что-нибудь подходящее. NDAKOTA - слишком простое изменение. - Возможно, - сказал Стратмор, потом нацарапал несколько слов на бумажке и протянул ее Сьюзан.  - Взгляни-ка на .




FLAKINESS AND ELONGATION INDEX OF AGGREGATE. 1. Objective Reference. IS (Part 1) Methods of Test for Aggregates of Concrete- Particle Size and Shape. Reaffirmed-. Dec 4. Procedure Download. Download PDF.