How to Cure Concrete in Submerged Wet Soil

In many regions, construction happens all year long, not just during the dry seasons. Sometimes deadlines require builders to pour concrete post holes, footers and other underground structures during wet periods. When mixing concrete, using the appropriate ratio of cement to water is crucial. Too wet of a mix will result in weak concrete. Prevent an unsound final project when working in wet soil by taking steps to keep excess moisture from getting into the concrete mix.

Siphon pump
Rocks
Brown paper
Plastic sheeting

Instructions

- 1
  Place the intake hose of a siphon pump into the bottom of your excavated site. Pump the handle or run a siphon pump to remove all water standing in the bottom.
- 2
  Fill the bottom of the excavated site with a layer of rocks if water keeps seeping in. Use the rocks to create a level that is higher then the water level.
- 3
  Line the walls of the excavated site with brown paper, which will absorb excess water in the soil. The brown paper can remain in the ground after pouring, where it will eventually biodegrade.
- 4
  Create a thicker concrete mix. Once poured, the concrete will still absorb groundwater. Leaving some of the water out of the mix will counterbalance the extra water in the soil.
- 5
  Cover the concrete loosely with plastic so air can still get in to gradually dry the concrete. Leave the plastic until the concrete cures. Start misting the concrete periodically with water only if the soil dries during the curing process.

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