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Civiljungle Latest Articles

How Do You Find Contour Interval?

How Do You Find Contour Interval?

  To find contour interval divide the difference in elevation between the index lines by the number of contour lines from one index line to the next. For example, if the distance 200 is divided by the number of lines, ...

How Deep Should a Concrete Slab Be?

How Deep Should a Concrete Slab Be?

Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. How Deep Should a Concrete Slab Be? A ...

How to Use Portland Cement?

How to Use Portland Cement?

How to use portland cement? Mix portland cement with water and an aggregate (usually gravel and sand) to make concrete. The cement is then cast into the desired shape and can become a load-bearing material when it dries. Mix portland ...

How Long for Cement to Cure?

How Long for Cement to Cure?

Concrete typically takes 24 to 48 hours to dry enough for you to walk or drive on it. However, concrete drying is a continuous and fluid event, and usually reaches its full effective strength after about 28 days. How Long ...

How to Smooth Dry Concrete?

How to Smooth Dry Concrete?

Finish by fine-tuning with light sandpaper, until the surface is perfectly smooth. We recommend using a hand planer to smooth and compact the surface. If the concrete dries a lot then we recommend that you add water to the surface, ...

How to Backfill a Retaining Wall?

How to Backfill a Retaining Wall?

Lay your base of compacted native soil (about three inches deep). Tamp the soil to ensure that it is secure and firm. Fill the next six to twelve inches with aggregate or gravel. Tamp the gravel or aggregate to ensure ...

How Is Concrete Slump Measured?

How Is Concrete Slump Measured?

  The slump of the concrete is measured by measuring the distance from the top of the slumped concrete to the level of the top of the slump cone. How Is Concrete Slump Measured? Concrete slump is a measure of ...