Reasons why the cold-joint is not properly installed

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The main reasons for cold joints include delays in pouring, poor planning, equipment issues, and not having enough workers. Albeit the most famous one is probably honeycomb, normally associated with inadequate concrete vibration during the pouring process, cold joints are also very frequent on construction sites. A cold joint in concrete, also known as a construction joint, is a point in a concrete structure where fresh concrete is placed against previously cured or partially cured concrete. This discontinuity occurs because the older material has passed its initial setting time, preventing a true chemical bond with the fresh mix.

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