Larger aggregates can make pumping the concrete more difficult and can affect some finishes. Smaller Maximum Aggregate Size in Concrete. In some cases smaller aggregates have been found to be more resistant to freeze thaw cycles. This is particularly evident in concrete pavements where D cracking can be a problem in freezethaw affected areas.
AGGREGATES FOR CONCRETE PART I PARTICLE SIZE AND SHAPE 0. FOREWORD This Indian Standard (rt I) was adopted by the Indian Standards Institution on 22 August 1963, after the draft finalized by the Cement and Concrete Sectional Committee had been approved by the Building Division Council.