Coarse Aggregates Sample Clauses
Coarse Aggregates. Coarse aggregates shall be angular particles of uniform density. The percentage of flat and/or elongated particles shall not exceed 20 in the fraction retained on the 12.5 mm (1/2 inch) sieve and in the fraction passing the 12.5 mm (1/2 inch) sieve. A flat particle is one having a ratio of width to thickness greater than 3; an elongated particle is one having a ratio of length to width greater than 3. When the coarse aggregate is supplied from more than one source, aggregate from each source shall meet the requirements set forth herein.
Coarse Aggregates. Standard
Coarse Aggregates. The coarse aggregates used shall be clear, hard, washed and screened gravel or crushed stone having a specific gravity of not less than 2.56 and shall be free from dust, fine materials, clay or loam and soft, flat or elongated particles. The coarse aggregates used shall conform to the IS: 369 for grading, strength and all other properties. Where required by the consultants/ Vandavasi Municipality or its authorised representatives, the coarse aggregates shall be subject to the following tests in accordance with the procedure specified in IS: 383.
Coarse Aggregates a. Coarse aggregates shall be clean, hard, tough, water sound and free of deleterious substances.
b. Maximum aggregate size for reinforced concrete shall not be larger than 1/5 of the narrowest dimension between forms, nor larger than 3/4 of the minimum clear spacing between reinforcing bars or between bars and forms.
c. Maximum aggregate size for unreinforced slabs shall not be larger than 1/3 the slab thickness or 2 inches, whichever is smaller.
Coarse Aggregates. The coarse aggregate, which may be either stone ballast or chips, should be well graded and preferably machine broken and should conform to IRS standard specifications and shall be obtained from approved quarries. The stone should be free from soft thin elongated or laminated or decayed pieces. The aggregate should before from dust. Cleaning and washing, if necessary, should be carried out as per directions of the site - Engineer or his representatives.
Coarse Aggregates. Coarse aggregates for all concrete work in all situations shall be graded crushed stone aggregate (crushed in mechanically operated crusher) of approved quality, irrespective of whether indicated specifically in the description of items or otherwise or SSR provisions. Nallah shingle will not be used even for plain cement concrete work in any situation. Contractor shall not be allowed to install crusher on Defence land.