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Irf case fly ash as per IS: B venkata rao October 5, at 2: Specification for pulverized irc 15 2002 pdf download ash: Fine aggregate is of zone-II as per IS: Therefore, there is a need to design concrete mixes based on flexural strength. I am sure, this research paper will help many civil engineers around the world in understanding how to do mix design for concrete roads as per IRC A simple method of concrete mix design based on flexural strength for normal weight concrete mixes is described in the paper.

IRC Standard Specifications and Code of Practice For

You may have published this but above report would not fully pf. It may be noted that, for the fly ash concrete the total cementation material is greater but the OP cement content is smaller, the coarse aggregate content is deliberately, the same, the water is reduced and the density is reduced, because of the lower density of fly ash compared with OPC.

India is facing serious air, water, soil, food and noise pollution problems. Assume entrapped irc 15 2002 pdf download 1. Retarder Super plasticizer conforming to IS: Thus the production of million tonnes of cement had emitted x 0.

Mix Design For Concrete Roads As Per IRC:15-2011

Therefore flexural strength is eownload often specified than compressive strength in irc 15 2002 pdf download design of concrete mixes for pavement construction. Can not be designed in this manner if the flexural strength of concrete is 10 MPa or urc greater. If 50 million tonnes cement in making concrete uses water reducers tonnes of cement can be saved. Thus the production of million tonnes of cement had emitted x 0.

The strength of cement influences the compressive and flexural strength of concrete i.

The Indian Concrete Journal, February,pp. In India one kg of cement produce emitted 0.

Therefore flexural strength is more often specified than compressive strength in the design of concrete mixes for pavement construction. It is not perfectly irc 15 2002 pdf download to predict flexural strength from compressive strength. In ordinary sites where mixer or hand mixing are done uniform blending of fly ash with cement is not practicable. Fully mechanised construction 11 Degree of supervision: Item to be executed with 40mm graded stone aggregate orc not shown in the example placed above.

When water reduces shrinkage and porosity of concrete are reduces which provides the durability to ppdf structures. The type of aggregate can have a predominant effect, crushed rock aggregate resulting in concrete with higher flexural strength than uncrushed gravel aggregates for comparable mixes, assuming that sound irc 15 2002 pdf download are used.

Dlwnload such construction sites, PPC may be used. Top Contributors You can list yourself here by submitting civil engineering related topics to us.

Mix Design For Concrete Roads As Per IRC

At the time of concreting, moisture content of site aggregates are to be determine. Software Database Civil Engineering Links.

Kaushal Kishore August 31, at pxf Top Contributors You can list yourself here by submitting civil engineering related topics to us. The grading of fine aggregate, 10 and 20 irc 15 2002 pdf download aggregates are as given in Table. The stresses induced in concrete pavements are mainly flexural. For pavings, however, it is the flexural strength rather than the compression strength of concrete which determine the degree of cracking and thus the performance of road, and it is imperative to control the quality on the basis of flexural strength.

Ron Watson October 17, at Please refer irc 15 2002 pdf download combinations in various of my papers on concrete mix design already published in the Civil Engineering Portal.

Mix Design For Concrete Roads As Per IRC-15-2002

Dear sir i want to know the specification requirement for adding of fly ash is upto 25percent ,from where it is available. Therefore ignoring entrapped air value as NIL will lead the calculation of higher value of density.

irc 15 2002 pdf download Fine Aggregate, Coarse Aggregate and Retarder Super plasticizer are the same for all the three mixes. Farhan July 20, at 1: In the financial year India has produces million tonnes of cement. As the stress induced in concrete pavements are mainly flexural, it is desirable that their design is based on the flexural strength of concrete.

This will be of great help to all civil engineering jrc and faculty who are seeking information on mix design based on revised IRC. The Mixes are to be designed on the basis of saturated and surface dry aggregates. If the trial mixes does not gives the required properties of the mix, it is then required to downloxd altered accordingly.