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_. IRC GUIDELINES FOR THE DESIGN OF FLEXIBLE PAVEMENTS ( Second Revision). THE INDIAN ROADS CONGRESS. IRC IRe: First Published Reprinted First Revision Reprinted Reprinted Second Revision Reprinted Reprinted Reprinted September. December, New Delhi ( Copies) iv. October. March. No part of this publication shall be : First Published Reprinted First Revision Reprinted Reprinted Second Revision Reprinted Reprinted Reprinted Reprinted Reprinted Reprinted Reprinted Reprinted Reprinted Third Revision: September. (IRC ) Design of flexible pavements. The Pavement designs given in the previous edition IRC were applicable to design traffic upto only 30 million standard axles (msa). The earlier code is empirical in nature which has limitations regarding applicability and extrapolation. This guidelines follows analytical.
Growth rate of commercial vehicles has been reduced from % to 5%, if specified data is not available or less than 5%. (Cl. ) • Instead of only sub- grade CBR, effective sub-grade CBR has o be considered. (with embankment soil of lower CBR. 8 Mar The earlier code is empirical in nature which has limitations regarding applicability and extrap- olation. This guidelines follows analytical designs and developed new set of designs up to msa in IRC Scope. These guidelines will apply to design of flexible pave- ments for Expressway. IRC 3 GENERAL. The IRC was based on a Mechanistic Empirical approach, which considered the design life of pavement to last till the fatigue during the last decade using the guidelines of IRC: as reported in various literature code/guidelines/manual, etc. from the date specified therein).
ABSTRACT. Highway and pavement design plays an important role in the DPR projects. The satisfactory performance of the pavement will result in higher savings in terms of vehicle operating costs and travel time, which has a bearing on the overall economic feasibility of the project. This paper discusses about the design. The cracking and rutting models in IRC: were based on the findings of the research schemes of the Ministry of Road Transport & Highways, Government of India, under which pavement performance data were collected from all over India by academic institutions and Central Road Research Institute to evolve the . time consuming and easy to perform tests. In this study, attempts have been made to seek the values of CBR of different soil samples and correlate their CBR values for the design purpose of flexible pavement as per guidelines of IRC: SP: Keywords: California Bearing Ratio, correlation, soaked, unsoaked, flexible.