PEC Reg no: CONSULT/1665

Retrofit Of Existing Structures

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The DQA has the capability to design retrofit schemes for reinforced concrete and masonry buildings, bridge and steel roof trusses. Retrofitting is the technical intervention in a structure to improve its structural load carrying capacity. Various methods of retrofitting methods are used worldwide including; application of FRP, post tensioning, grout injection, concrete jacketing, concrete stitching and ferrocement overlay etc. CRITERIA FOR SELECTION OF RETROFITTING TECHNIQUE • Type of building and damages • Cost of intervention • Importance of the building • Availability of: •Adequate technology, •Materials, and •Skilled workmanship • Duration of work and problem of occupancy STANDARD STEPS OF RETROFITTING • Identification of damages and deficiencies • Damage assessment and performance analysis of existing building • Selection of technique and design of retrofitting scheme • Performance analysis of retrofitted building • Implementation

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