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Figure 2 - Failure probability and target service life in performance-based service life models for reinforced concrete structures. Performance-based approaches provide for a real design of durability, based on models describing the evolution in time of degradation processes, and the definition of times at which defined limit states will be ...
Large crack-widths (greater than 0.3 mm) permit ingress of moisture and chemical attack to the concrete, resulting in possible corrosion of reinforcement and deterioration of concrete. Therefore, thick covers defeat the very purpose for which it is provided. There is a need for judicious balance of cover depth and crack width requirements.
A large number of Indian Standard (IS) codes are available that are meant for virtually every aspect of civil engineering one can think of. During one's professional life one normally uses only a handful of them depending on the nature of work they are involved in. Civil engineers engaged in construction activities of large projects usually have to refer to a good number of IS codes as such ...
EN 1992-1-2 deals with the design of concrete structures for the accidental situation of fire exposure and is intended to be used in conjunction with EN 1992-1-1 and EN 1991-1-2. This part 1-2 only identifies differences from, or supplements to, normal temperature design. Part 1-2 of EN 1992 deals only with passive methods of fire protection.
The strength enhancing effects of arching action in reinforced concrete floors were first recognised near the beginning of last century. [1] However, it was not until the full scale destructive load tests by Ockleston [2] [3] on the Old Dental Hospital in Johannesburg that the extent of strength enhancement caused by arching action was really ...
LOL! Someone must have attached a battery to this dog because she's not stopping anytime soon. Peppa's zoomies are the epitome of joy, but for those of us watching her, it also looks extremely tiring!
3-month CD. 1.50%. 1.52%. Down 2 basis points. 6-month CD. 1.65%. 1.68%. Down 3 basis points ... Funds held by member FDIC institutions are insured and federally protected for up to $250,000 per ...
The portion of the beam that is in tension may crack. The size and length of cracks is dependent on the magnitude of the bending moment and the design of the reinforcing in the beam at the point under consideration. Reinforced concrete beams are designed to crack in tension rather than in compression.