IRC74-1979 Tentative Guidelines for Lean-Cement Concrete and Lean Cement Fly Ash Concrete as a Pavement Base or Sub Base by Indian Road Congress
1. INTRODUCTION
2. THICKNESS DESIGN OF LEAN CEMENT CONCRETE AND LEAN-CEMENT
FLY ASH CONCRETE BASE/SUBBASE LAYER
2.1. As sub-base/Base course in flexible pavement
2.2. As subbase course under rigid pavement
3. MATERIALS FOR LEAN-CEMENT CONCRETE AND LEAN CEMENT-FLY
ASH CONCRETE
3.1. Cement
3.2. Fly ash
3.3. Aggregates
3.4. Water
4. PROPORTIONING OF LEAN CEMENT CONCRETE AND LEAN CEMENT-FLY
ASH CONCRETE
4.1. Mix design criteria
4.2. Mix design
5. EQUIPMENT
5.1. Batching and mixing equipment
5.2. Compacting equipment
6. PREPARATION OF THE SUBGRADE/SUBBASE
7. CONSTRUCTION
7.1. Storage and handling of cement
7.2 Storage and handling of fly ash
7.3. Storage and handling of aggregates
7.4. Batching and mixing of materials
7.5. Transportation and placement
7.6. Compaction
7.7. Joints
7.8. Curing
7.9. Rectification of surface irregularities
8. SURFACE COURSE
9. QUALITY CONTROL
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