Maintenance of Concrete Structures for Durability of RCC Members Modern concrete is a very durable construction material and, if properly proportioned and placed, will give very long service under normal conditions. Many concrete structures, however, were constructed using early concrete ...
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How to Repair Plaster Walls?
Repairing of plaster walls is needed from time to time as the building ages. The most common problem with plaster walls is crumbling, water damage, cracking or pulling away from the lath behind it. Repairing process of plaster walls is ...
EPOXY COATING OF STEEL REINFORCEMENT
Epoxy Coating of Steel Reinforcement It is important to use epoxy coated rebar to protect steel from corrosion. Using certain types of epoxies yielded positive results, especially in steel exposed to seawater while evaluating the use of epoxy to coat ...
POST TENSIONING IN REHABILITATION OF STRUCTURES
POST TENSIONING IN REHABILITATION OF STRUCTURES Post tensioning has become very popular these days sensing the advantages it provides. Even small structures of G+2 are using post tensioning these days. The application of post tensioning has increased and it is ...
How to Repair Off-Center Footings during Building Construction?
Repair Off-Center Footings during Building Construction It is sometime hard to position footings in the trench, so contractors often see walls that are not in the center of the footing (Figure 1). The foundation wall has to be located correctly ...
Routing and Sealing of Cracks in Concrete
Routing and sealing of cracks in concrete can be used for dormant cracks not involving the restoration of tensile strength. In this method the crack is enlarged along its exposed face to form a V-shaped groove up to a minimum ...
Surface Preparation for Concrete Repair
Surface preparation for the concrete repair works is the important step for the development of proper bond with the new concrete. Various methods are used for the preparation of surface for concrete repair works such as chemical cleaning, acid etching, mechanical ...
Overlay Concrete for Crack Repair in Concrete Structures
Overlays are surface depositions of 6 mm or greater in thickness that can be bonded, partially bonded, or unbonded to the surface of the concrete. The material of overlay may be polymer concrete, Portland cement concrete, epoxies, polyesters, and polymer-modified ...