What is concrete work?
Concrete work includes the following basic processes: preparation of the concrete mix; delivery of the mix to the construction site; feeding, distribution, and compaction of the mix in the formwork (molds); the curing of the concrete while it is hardening; and quality control of the concrete work.
What is the difference between cement and concrete?
Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.
What happens if you add too much water to concrete?
What happens when you add too much water to concrete and/or other cement mixes? Over-watered concrete may lead to lower strength, reduced durability, shrinkage cracking, and a variety of surface problems. It is critical that the proper amount of water be added to concrete and other cement mixes.
How much does a concrete repair cost?
It will typically cost between $663 and $2,060 with an average of $1,357 to repair a patio, residential walkway, or sidewalk. Simple repairs can cost as little as $1 per square foot. Concrete will typically cost about $8.50 per square foot. Replacing brick runs about $10 per square foot.
What is the best concrete repair?
Vinyl Concrete Patcher is ideal for making smooth repairs to crack or chipped concrete floors, sidewalks, or steps. It has strong adhesive properties allowing it to be applied down to a featheredge. Quikrete 10 lb. Vinyl Concrete Patcher is made of a special blend of vinyl resin, fine sand, and Portland cement.
How much does it cost to fix cracked concrete?
To evaluate and identify a concrete crack problem, a structural engineer will charge you an average cost of $300 to $800. To repair major concrete cracks, a professional contractor will charge you about $250-$ 500.
Is stamped concrete more expensive?
Stamped Concrete Cost. Basic stamped concrete costs between $8 and $12 per square foot, but more involved projects can be as expensive as $18 per square foot. How much you’ll pay for stamped concrete varies widely, depending on the prices for materials and labor in your local market and the complexity of the job.
What happens if you don't seal stamped concrete?
As for you, the contractor, resealing simply means more business. Concrete has enemies. Mother Nature pounds the surface with rain or snow, then sends in freezing temps. An unsealed decorative concrete surface allows water to penetrate the pores of the concrete, and the vicious freeze-thaw cycle does its damage.
What concrete should I use for a driveway?
To withstand the weight of vehicle traffic, choose concrete with a strength of 4,000 pounds per square inch for your driveway. In areas with cold winters, the concrete mix should have a 6 percent air-entrainment value.
Can I Concrete my own driveway?
It is possible to build an attractive concrete driveway yourself, but careful planning and preparation are necessary. Be sure to place all the concrete at once; a big driveway can be broken down into smaller manageable sections using 2×4’s.