Concrete Strength

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Is Rusty Rebar a Problem?

Why doesn’t the rebar used to reinforce concrete footings and foundations—which... More

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Tool Test: Metabo HPT Cordless Rebar Cutter/Bender

John Carroll checks out the Metabo HPT VB3616DA, the only battery-powered cutter/... More

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Building a Storm Shelter

Jake Bruton shares time-lapse video of a work in progress. Even if you don't live... More

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Concrete Repair FRP

Simpson Strong-Tie says its 44-ounce fiber–reinforced polymer (FRP) fabric... More

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What Do You Know About Composite Rebar?

Glass-fiber rebar is about one-third the weight of steel rebar, won't corrode,... More

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A Frost-Protected Shallow Foundation

Cold-climate alternative uses specialized insulated forms More

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Curing Time for Concrete Footings

Temperature, admixtures, and fly-ash content can affect how long it takes for concrete to achieve its rated strength. More

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Rammed-Earth Construction in the Modern Age

Rammed-earth walls used to be elementary. More

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Better Concrete Garage Floors

Ten tips for pouring stronger, crack-free concrete slabs. More

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Best Mix for Pumped Concrete

Why ready-mix plants add extra sand, special aggregate, air-entraining agents, and... More

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