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How long does it take to decompose concrete?

Concrete takes a very long time to decompose, often hundreds to thousands of years, depending on environmental conditions. Unlike organic materials, concrete does not biodegrade but can break down physically through weathering and chemical processes. Factors such as exposure to water, temperature, and the presence of chemicals can influence its degradation rate. Ultimately, while concrete is durable, it is not impervious to the effects of time and the environment.


How long does it take for a concrete sidewalk to harden?

A concrete sidewalk typically takes about 24 to 48 hours to harden enough for light foot traffic. However, it can take up to 28 days for the concrete to fully cure and reach its maximum strength. Factors such as temperature, humidity, and the mix used can affect the curing time. It's best to avoid heavy loads on the sidewalk until it has fully cured.


How long have humans used concrete?

2 days


How long does it take water to go through concrete?

The time it takes for water to permeate through concrete can vary significantly based on several factors, including the type of concrete, its porosity, and environmental conditions. In general, water can begin to seep through concrete within hours, but complete saturation or significant moisture movement can take days or even weeks. Factors like cracks or joints can also expedite this process. Proper sealing and curing can reduce water penetration significantly.


How long does it take concrete to set?

Concrete typically takes about 24 to 48 hours to set enough for light foot traffic, but it can take up to 28 days to achieve its full strength. The initial setting time can vary based on factors like temperature, humidity, and the specific mix used. During this curing period, it’s important to keep the concrete moist to ensure optimal strength development.