ST5001-MAINTENANCE AND REHABILITATION OF STRUCTURES UNIVERSITY QUESTION PAPER

ST5001-MAINTENANCE AND REHABILITATION OF STRUCTURES UNIVERSITY QUESTION PAPER

QUESTION PAPERS:-

 JAN 2014

JAN 2016

MAY 2016

MAY 2017

NOV 2016

NOV 2017

OTHERS CAMSCANNED

SYLLABUS:-

UNIT I INTRODUCTION 
General Consideration – Distresses monitoring – Causes of distresses – Quality assurance – Defects due to climate, chemicals, wear and erosion – Inspection – Structural appraisal – Economic appraisal.
UNIT II BUILDING CRACKS                                                                                             
 Causes – diagnosis – Thermal and Shrinkage cracks – unequal loading – Vegetation and trees – Chemical action – Foundation movements – Remedial measures - Techniques for repair – Epoxy injection.
UNIT III MOISTURE PENETRATION                                                                                   
Sources of dampness – Moisture movement from ground – Reasons for ineffective DPC – Roof leakage – Pitched roofs – Madras Terrace roofs – Membrane treated roofs - Leakage of Concrete slabs – Dampness in solid walls – condensation – hygroscopic salts – remedial treatments – Ferro cement overlay – Chemical coatings – Flexible and rigid coatings.
UNIT IV DISTRESSES AND REMEDIES 
 Concrete Structures: Introduction – Causes of deterioration – Diagnosis of causes – Flow charts for diagnosis – Materials and methods of repair – repairing, spalling and disintegration – Repairing of concrete floors and pavements. Steel Structures : Types and causes for deterioration – preventive measures – Repair procedure – Brittle fracture – Lamellar tearing – Defects in welded joints – Mechanism of corrosion – Design of protect against corrosion – Design and fabrication errors – Distress during erection. Masonry Structures: Discoloration and weakening of stones – Biotical treatments – Preservation – Chemical preservatives – Brick masonry structures – Distresses and remedial measures.
UNIT V STRENGTHENING OF EXISTING STRUCTURES 
General principle – relieving loads – Strengthening super structures – plating – Conversation to composite construction – post stressing – Jacketing – bonded overlays – Reinforcement addition – strengthening substructures – under pinning – Enhancing the load capacity of footing – Design for rehabilitation.