This handbook contains information on materials, equipment, and procedures used to clean and seal cracks in asphalt cement concrete pavements. Crack repair problem areas are also presented. Additional information can be found in the references listed in the following paragraph. AF Records Disposition. Ensure that all records created by this handbook are maintained and disposed of IAW AFMAN 37-139, “Records Disposition Schedule.” It contains the following chapters
Chapter One Introduction
1.1. Scope
1.2. References
Chapter TwoPurpose of Sealing
2.1.Purpose
2.2.Reduce Maintenance Costs
Chapter Three When to Seal
3.1.Field Evaluation
3.2.Schedule
3.3.Climate Conditions
3.4.Porous Friction Surfaces
Chapter Four Specifications
4.1.Federal and ASTM
4.2.Other
Chapter Five Material Uses
5.1.Fed.Spec. and ASTM
5.2.DOT Spec
5.3.Other
Chapter six Crack Preparation Equipment
6.1.Introduction
6.2.Equipment Inspection
6.3.Equipment
Chapter Seven Crack Preparation Procedures
7.1.Crack Size Guidelines
7.2.Crack Widening
7.3.Initial Crack Cleaning
7.4.Debris Removal
7.5.Final Crack Cleaning
7.6.Inspection
Chapter Eight Crack Sealing Equipment
8.1.Hot-Applied Sealant Equipment
8.2.Sealant Applicators Not Recommended
Chapter Nine Crack Sealing Procedures
9.1.Crack Size Guidelines
9.2.Backer Rod Material
9.3.Inspection Prior to Sealing
9.4.Sealant Temperature and Application
9.5.Crack Sealing Delays
9.6.Inspection after Sealing
Chapter Ten Problem Areas
10.1.Categories of Problems
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