IRC 109:1997 outlines detailed procedures and standards for the formulation, execution, and quality assurance of Wet Mix Macadam (WMM) layers utilized as sub-base and base courses in roadworks. It covers aspects such as material requirements, mixing techniques, machinery specifications, and construction methodologies to achieve robust and reliable pavement structures. This code is vital for professionals engaged in the engineering, development, and oversight of roads employing WMM technology.
14Sections
107Clauses Indexed
✓AI Search Ready
1997Edition
Roads and Bridges IRC- Indian road congress Category
IRC 109:1997 outlines detailed procedures and standards for the formulation, execution, and quality assurance of Wet Mix Macadam (WMM) layers utilized as sub-base and base courses in roadworks. It covers aspects such as material requirements, mixing techniques, machinery specifications, and construction methodologies to achieve robust and reliable pavement structures. This code is vital for professionals engaged in the engineering, development, and oversight of roads employing WMM technology.
Audience
Who Uses This Standard
Roadway Engineers
Civil Infrastructure Specialists
Supervisors in Road Building
Pavement Design Experts
Quality Assurance Inspectors
Road Construction Contractors
Laboratories for Material Testing
Contents
Key Topics Covered
✓Specifications for aggregate materials
✓Aggregate grading and physical criteria
✓Techniques and machinery for mixing WMM
✓Procedures for construction and layer thickness control
✓Handling and transport of wet mix material
✓Methods for spreading, placing, and compacting
✓Standards for surface finishing and quality checks
✓Testing protocols and acceptance standards
✓Measurement and billing guidelines
✓Selection and requirements of equipment
✓Aggregate production processes
✓Proportioning of aggregates with water
✓Correction of surface defects
Structure
Table of Contents
1Overview
2WMM Description
3Material Requirements
4Construction Procedures
5Traffic Opening Criteria
6Surface Quality and Control Measures
7Payment Measurement Methods
8Detailed Construction Process
9Equipment Specifications
10Aggregate Manufacturing
11Mixing and Proportioning Techniques
12Transportation Guidelines
13Spreading and Placement
AnnexureAnnexure-1
Frequently Asked
Popular Questions About IRC 109
?What are the grading and physical standards required for aggregates in Wet Mix Macadam?▼
Detailed answer not available.
?Which types of mixing equipment are advised for producing consistent WMM material?▼
Detailed answer not available.
?What tolerances are specified for surface finish and layer thickness in WMM construction?▼
Detailed answer not available.
?How is the quality of WMM layers maintained during spreading and compaction?▼
Detailed answer not available.
?What equipment is recommended for the spreading and laying of Wet Mix Macadam?▼
Detailed answer not available.
✦
Need Detailed Clause Answers?
Ask AI about any clause, requirement, or provision in IRC 109. Get instant, clause-cited responses powered by our indexed library.