ISO/TR 16475:2011
Guidelines for the repair of water-leakage cracks in concrete structures
ISO/TR 16475 gives guidelines for the selection of a proper grout material to repair water leakage through cracks and other discontinuities in concrete structures including the following:
- conditions of water-leakage cracks;
- performance requirements for repair materials;
- different types of repair materials (grouts);
- procedures followed to select the appropriate repair materials;
- execution of different types of repair methods;
- performance assessments of applied materials and methods;
- data collection.
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1 Scope
2 Normative references
3 Terms and definitions
4 Conditions of water-leakage cracks
4.1 Types of water-leakage cracks
4.2 Environmental conditions of water-leakage cracks
4.2.1 Chemical conditions
4.2.2 Physical (mechanical) conditions
5 Performance requirements for repair materials
5.1 Performance requirements for chemical conditions
5.1.1 Thermal stability
5.1.2 Chemical resistance
5.2 Performance requirements for physical (mechanical) conditions
5.2.1 Watertightness
5.2.2 Adhesion on the wet substrate
5.2.3 Water (washout) resistance
5.2.4 Response to the substrate movement
6 Grout materials for repair
6.1 Acrylic grouts (water-based acrylic gel grout)
6.2 Cementitious grouts (water-based mixture of cement grout)
6.3 Hydrophilic epoxy resin grout
6.4 Polyurethane grouts
6.5 Synthetic rubber polymerized gel grout
6.6 Other material
7 Procedures applied to select the appropriate repair materials
7.1 Selection process of repair materials (grouts)
7.2 Test for performance requirements
7.2.1 Test for thermal stability
7.2.2 Test for chemical resistance
7.2.3 Test for watertightness
7.2.4 Test for adhesion on the wet substrate
7.2.5 Test for water (washout) resistance
7.2.6 Test for response to the substrate movement
8 Execution of different types of repair methods
8.1 Grouting injection methods
8.2 Injection method for reforming a waterproofing layer
9 Performance assessments of repaired structures
9.1 Inspection of repairs
9.2 Evaluation of repairs
10 Data collection (record keeping)
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1 Scope
2 Normative references
3 Terms and definitions
4 Conditions of water-leakage cracks
4.1 Types of water-leakage cracks
4.2 Environmental conditions of water-leakage cracks
4.2.1 Chemical conditions
4.2.2 Physical (mechanical) conditions
5 Performance requirements for repair materials
5.1 Performance requirements for chemical conditions
5.1.1 Thermal stability
5.1.2 Chemical resistance
5.2 Performance requirements for physical (mechanical) conditions
5.2.1 Watertightness
5.2.2 Adhesion on the wet substrate
5.2.3 Water (washout) resistance
5.2.4 Response to the substrate movement
6 Grout materials for repair
6.1 Acrylic grouts (water-based acrylic gel grout)
6.2 Cementitious grouts (water-based mixture of cement grout)
6.3 Hydrophilic epoxy resin grout
6.4 Polyurethane grouts
6.5 Synthetic rubber polymerized gel grout
6.6 Other material
7 Procedures applied to select the appropriate repair materials
7.1 Selection process of repair materials (grouts)
7.2 Test for performance requirements
7.2.1 Test for thermal stability
7.2.2 Test for chemical resistance
7.2.3 Test for watertightness
7.2.4 Test for adhesion on the wet substrate
7.2.5 Test for water (washout) resistance
7.2.6 Test for response to the substrate movement
8 Execution of different types of repair methods
8.1 Grouting injection methods
8.2 Injection method for reforming a waterproofing layer
9 Performance assessments of repaired structures
9.1 Inspection of repairs
9.2 Evaluation of repairs
10 Data collection (record keeping)