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Scaling<\/strong> is local flaking or loss of the surface<\/strong> portion of concrete. This is a result of the seasonal freeze thaw cycle<\/strong>. Water gets into the concrete then freezes and expands causing some surface portions to break off. This can then allow water to penetrate further into the concrete.<\/p>\n"},"library":"H5P.Text 1.1","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"},"subContentId":"422a3a38-8024-40e5-ac1d-4b59952120fa"}],"header":"Scaling"},{"position":{"x":80,"y":23.842292746113987},"alwaysFullscreen":false,"content":[{"params":{"text":"

Once water has reached the reinforcing steel in concrete it can then begin rusting<\/strong>. When steel rusts its useful cross-sectional area becomes smaller<\/strong>. This means when we are applying the same amount of force to it, the pressure increases. <\/p>\n"},"library":"H5P.Text 1.1","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"},"subContentId":"e5b39efb-fe19-48f3-a179-5e35cd77679c"}],"header":"Corrosion of Reinforcement"},{"position":{"x":35.6,"y":78.65932642487047},"alwaysFullscreen":false,"content":[{"params":{"text":"

Delamination occurs when a section of concrete separates<\/strong> from the rest of the concrete, however it doesn't come all the way off. This can be identified by a hollow sound<\/strong> when tapping the concrete. As delamination continues and becomes more severe it is called spalling<\/strong>.<\/p>\n"},"library":"H5P.Text 1.1","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"},"subContentId":"b05abb8e-3604-47c7-9e81-c14d2412a7bf"}],"header":"Delamination"},{"position":{"x":96.8,"y":74.40900259067358},"alwaysFullscreen":false,"content":[{"params":{"text":"

Linear cracking occurs in concrete as a result of tension <\/strong>(pulling away)<\/p>\n"},"library":"H5P.Text 1.1","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"},"subContentId":"33c02ec8-80be-4fda-bd26-1b1c0d17a9f7"}],"header":"Cracking"}],"hotspotNumberLabel":"Hotspot #num","closeButtonLabel":"Close","image":{"path":"images\/image-5f4fb0d5310c7.png","mime":"image\/png","copyright":{"license":"U"},"width":1421,"height":1071}}

Concrete Defects

Description

Mary Spencer