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Photogrammetric Assessment of Flexure Induced Cracking of Reinforced Concrete Beams under Service Loads
Reinforced concrete structures are known to crack due to restrained shrinkage, temperature gradients, application of load, and expansive reactions. Cracks provide paths for rapid ingress of moisture, chlorides, and other aggressive substances, which may affect the long-term durability of the structure. For example, concrete cracks located at the reinforcing steel may contribute to a rapid corrosion initiation and propagation. Previous research has shown that cracked reinforced concrete under static flexural loading may have an increased ingress of chloride ions along the reinforcement/concrete interface. The aim of this paper is to provide a detailed description of the development of cracks in reinforced concrete under flexural load. Cracking at both realistic service load levels (1.0-1.8 times estimated cracking load) and unrealistically high service load levels (> 0.5 times beam capacity) has been investigated. These load levels result in relatively small cracks (
Photogrammetric Assessment of Flexure Induced Cracking of Reinforced Concrete Beams under Service Loads
Reinforced concrete structures are known to crack due to restrained shrinkage, temperature gradients, application of load, and expansive reactions. Cracks provide paths for rapid ingress of moisture, chlorides, and other aggressive substances, which may affect the long-term durability of the structure. For example, concrete cracks located at the reinforcing steel may contribute to a rapid corrosion initiation and propagation. Previous research has shown that cracked reinforced concrete under static flexural loading may have an increased ingress of chloride ions along the reinforcement/concrete interface. The aim of this paper is to provide a detailed description of the development of cracks in reinforced concrete under flexural load. Cracking at both realistic service load levels (1.0-1.8 times estimated cracking load) and unrealistically high service load levels (> 0.5 times beam capacity) has been investigated. These load levels result in relatively small cracks (
Photogrammetric Assessment of Flexure Induced Cracking of Reinforced Concrete Beams under Service Loads
Pease, Bradley Justin (author) / Geiker, Mette Rica (author) / Stang, Henrik (author) / Weiss, Jason (author)
2006-01-01
Pease , B J , Geiker , M R , Stang , H & Weiss , J 2006 , Photogrammetric Assessment of Flexure Induced Cracking of Reinforced Concrete Beams under Service Loads . in Proceedings of the Second International RILEM Symposium : Advances in Concrete through Science and Engineering . vol. CD PRO 51 , Rilem publications , 2nd International RILEM Symposium on Advances in Concrete through Science and Engineering , Quebec City , Quebec , Canada , 11/09/2006 .
Article (Journal)
Electronic Resource
English
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