What are the limits of water absorption of coarse aggregate?
This test helps to determine the water absorption of coarse aggregates as per IS: 2386 (Part III) – 1963. For this test a sample not less than 2000g should be used. The apparatus used for this test are :-
Wire basket – perforated, electroplated or plastic coated with wire hangers for suspending it from the balance, Water-tight container for suspending the basket, Dry soft absorbent cloth – 75cm x 45cm (2 nos.), Shallow tray of minimum 650 sq.cm area, Air-tight container of a capacity similar to the basket and Oven.
i) The sample should be thoroughly washed to remove finer particles and dust, drained and then placed in the wire basket and immersed in distilled water at a temperature between 22 and 32oC.
Two such tests should be done and the individual and mean results should be reported. A sample proforma for the record of the test is
No comments:
Post a Comment
If you are getting more information from civilengineerfriend page please give your comments. Share the page information in your whatsapp group. Subscribe our page to get more information.