Photogrammetric Assessment of Flexure Induced Cracking of Reinforced Concrete Beams under Service Loads

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2006


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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 (
Original languageEnglish
Title of host publicationProceedings of the Second International RILEM Symposium : Advances in Concrete through Science and Engineering
Number of pages440
VolumeCD PRO 51
PublisherRilem publications
Publication date2006
ISBN (print)2-35158-003-6
StatePublished - 2006
EventSecond International RILEM Symposium : Advances in Concrete Through Science and Engineering - Quebec City, Quebec, Canada


ConferenceSecond International RILEM Symposium : Advances in Concrete Through Science and Engineering
CityQuebec City, Quebec
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ID: 5839329