![]() Expansion joints are inserted between slabs that can absorb pressure from expansion and thus pre-empt and avoid cracks. ![]() However, expansion cracks are mostly dealt with during the planning and concrete delivery Brisbane stage of the structure. Lack of space to expand causes slabs to develop cracks. When subject to heat, concrete slabs tend to expand outwards. Unless prominently visible, plastic shrinkage cracks pose no threat to the structure of the slabs. Such voids make the structure of the slab prone to cracks when subject to pressure. Sometimes puddles of water, upon drying, leave behind voids within the slab. Plastic Shrinkage Crackīefore the concrete hardens, it is considered plastic and contains a significant amount of water. Let’s take a look at the six most common types of concrete cracks you might encounter: 1. In fact, identifying the correct type can actually help you in properly correcting the cracks. Unlike the common perception, not all concrete cracks are the same. From temperature changes and structural errors to tree roots and reinforcing mesh Brisbane, many things lead to cracks in concrete. Concrete is easily one of the strongest and most reliable construction materials.
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