SYLLABUS:-
UNIT I
Evaluating concrete in concrete structures: site survey, cracking, disintegration and spalling, scaling, dusting, distortion, erosion, seepage, crack survey, joint inspections, physical and chemical analysis, NDT testing Causes of distress and deterioration: Accidental loading, chemical reactions, corrosion, freezing and thawing, settlement and movement, shrinkage, temperature changes.
UNIT II
Materials and methods for repair and rehabilitation: planning and design of concrete repair, Autogeneous healing, crack arrest techniques, drilling and plugging, Fiber reinforced concrete, flexible sealing, gravity soak, chemical grouting, hydraulic-cement grouting, jacketing, polymer overlays, polymer coating, polymer injection, polymer concrete, shotcrete, judicious neglect, shrinkage-compensating concrete.
UNIT III
Maintenance of concrete: Stains and stain removal, cleaning details, oil stains, grease, dirt, mildew, asphalt, efflorescence, coating and sealing compounds.
Specialized repairs: rehabbing lock walls, blasting lock walls, anchors, pre-placed aggregate concrete, cut-off walls, under water repairs, geomembrane work.
UNIT IV
Trouble shooting defects in concrete: excess water, bad design data, chemical attacks, alakali-aggregate reaction, freezing, moving water and cavitation.
UNIT I
Evaluating concrete in concrete structures: site survey, cracking, disintegration and spalling, scaling, dusting, distortion, erosion, seepage, crack survey, joint inspections, physical and chemical analysis, NDT testing Causes of distress and deterioration: Accidental loading, chemical reactions, corrosion, freezing and thawing, settlement and movement, shrinkage, temperature changes.
UNIT II
Materials and methods for repair and rehabilitation: planning and design of concrete repair, Autogeneous healing, crack arrest techniques, drilling and plugging, Fiber reinforced concrete, flexible sealing, gravity soak, chemical grouting, hydraulic-cement grouting, jacketing, polymer overlays, polymer coating, polymer injection, polymer concrete, shotcrete, judicious neglect, shrinkage-compensating concrete.
UNIT III
Maintenance of concrete: Stains and stain removal, cleaning details, oil stains, grease, dirt, mildew, asphalt, efflorescence, coating and sealing compounds.
Specialized repairs: rehabbing lock walls, blasting lock walls, anchors, pre-placed aggregate concrete, cut-off walls, under water repairs, geomembrane work.
UNIT IV
Trouble shooting defects in concrete: excess water, bad design data, chemical attacks, alakali-aggregate reaction, freezing, moving water and cavitation.
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