20CE3020 Fire resistant design of structures 3 0 0 3

Objectives- causes of building distress-purpose of report - authorization-need for analysis- steps in conditional assessment-preliminary evaluation methods - Onsite investigation and off site investigationRapid(visual) investigation - Details of visual investigation - Performing structural condition assessment - study of document and other evidence - preliminary numerical analysis-reporting-decision on immediate action - Recommendation of detailed assessment

Module: 2 ASSESSMENT PROCEDURE & NON-DESTRUCTIVE TECHNIQUES 8 Hours

Detailed assessment- mandated or damage or deterioration-professional competence-professional responsibility and liability-professional requirement - detail documentation search and review-building examination-forms and check list- Role of Non-Destructive Techniques in Condition Assessment Non-destructive testing: Rebound Hammer, Ultrasonic Pulse Velocity Tests test in condition assessment – Corrosion- Carbonation - Destructive Vs Non-destructive-guidelines-structural systems – concrete wood-masonry and Metals

Module: 3 STRUCTURAL MATERIALS ASSESSMENT 8 Hours

Collection of existing data: design/construction Phase - repair interventions-inspections-Analzing existing data-data quality assessment-Probability of Detection (PoD)-Planning evaluation techniquesInspection Procedure-condition survey: concrete, masonry, wood and metal structures- survey inspection checklist- Design materials evaluation program- Selection of destructive and nondestructive testing-identify the limitations of NDT techniques -interpreting tests results -Diagnose problems-assess strengths and weaknesses of structural materials

Module: 4 EVALUATION OF STRUCTURAL MATERIALS AND SYSTEMS 8 Hours

Project-Planning group-Identifying hazard- proactive strategies –reactive strategies- economic considerations-deterioration modeling-mechanisms planning the evaluation-statistical proceduresdestructive and nondestructive test on concrete-evaluate cracks in concrete and masonry- analyze wet masonry walls – evaluate Heritage structures - evaluating corrosion -interpret test results - develop inspection checklist - condition assessment projects - evaluating test data- Assessing damage suitability for future use-recommendation-implement action

Module: 5 REPORT OF STRUCTURAL CONDITION ASSESSMENT 7 Hours

Quality Assurance report - existing conditions - summary- list of components reviewed -observations and findings -structural integrity-structural capacity checks -interpretations and findings -photographic documentation - rehabilitation recommendations - field measurements.

Module: 6 CASE STUDIES 7 Hours

Structural systems: columns damaged condition - columns damaged condition & seepage through basement – kitchen -wash area floor condition (first floor) - walls dampness & chajja condition (ground floor)- spalling of concrete in columns- spalling of concrete in beams- chajjas/ fins damaged ConditionChajjas/ Parapet and Columns Damaged Condition-HVAC-Pumping-Electrical systems-Parking structures-Chimneys-Bridges

Total Lectures 45 Hours

Reference Books

1. Cairns, J., Gehlen, C., Andrade, C., Bartholomew, M., Gulikers, J., Leon, F. J., Matthews, S.,

McKenna, P., Osterminski , K., Paeglitis, A., & Straub, D. “Condition Control and Assessment of

Reinforced Concrete Structures Exposed to Corrosive Environments”. (fib Bulletin; Vol. 59).

International Federation for Structural Concrete (fib)., 2011) 2. Guideline for Structural Condition Assessment of Existing BuildingsSEI/ASCE11-99

CIVIL ENGINEERING (2020)