Title: IRC 019: Standard Specifications and Code of Practice for Water Bound Macadam Author: Indian Roads Congress Keywords: http://archive.org/details ...

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2004年10月12日 · Water Bound Macadam (WBM) shall consist of clean, crushed coarse aggregates mechanically interlocked by rolling, and voids thereof filled with screening and binding material with the assistance of water, laid on a prepared subgrade, sub-base, base or existing pavement as the case may be.

IRC:37-2018 iv VDF - Vehicle Damage Factor WBM - Water Bound Macadam WMM - Wet Mix Macadam °C - Degree Celsius A - Initial traffic a - Radius of circular contact area C - Adjustment factor for fatigue life of bituminous layer D - Lateral distribution factor E - Elastic modulus of CTB material E CTSB - Elastic modulus of cement treated sub bases

IRC:19-2005 FirstPublished April,1966 February,1970 May,1972 November,1972 May,1977 September,1982 March,1987(incorporatesamendmentNo.1&CorrectedSievesizes) Reprinted Reprinted FirstRevision SecondRevision Reprinted RepriiK. Reprinted Reprinted Reprinted Reprinted May,1988 March,1999

What Is WBM Road. The full form of WBM is Water Bound Macadam Road which is the most commonly used road construction procedure for more than 100 years. The Water Bound Macadam is named based on the Scottish engineer John Loudoun Macadam who first introduced and construct the WBM road.

This document presents the guidelines and code of practice for the construction of Water Bound Macadam (WBM) roads, detailing the specifications for crushed slag, screenings, binding materials, and the processes for application and maintenance.

The document is the third revision of the Indian Roads Congress Standard Specifications and Code of Practice for Water Bound Macadam from 2005. It contains specifications for constructing water bound macadam roads, including materials, construction procedures, surface evenness requirements, and maintenance guidelines.

This document outlines specifications and guidelines for constructing water bound macadam (WBM), which is used as a sub-base or base course for roads and pavements. It specifies requirements for aggregates, screenings, and binding material used in WBM. Coarse aggregates must meet size, grading, physical and chemical requirements.

1.2.1.1 Units The document summarizes the third revision of the Indian Roads Congress standard specifications and code of practice for water bound macadam (WBM). It outlines the personnel involved in revising the standard, including various committees and their members.