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  2. Insulating concrete form - Wikipedia

    en.wikipedia.org/wiki/Insulating_concrete_form

    The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...

  3. Formwork - Wikipedia

    en.wikipedia.org/wiki/Formwork

    The size of these tables can vary from 70 to 1,500 square feet (6.5 to 140 m 2). There are two general approaches in this system: Crane handled: this approach consists of assembling or producing the tables with a large formwork area that can only be moved up a level by crane.

  4. Rebar spacer - Wikipedia

    en.wikipedia.org/wiki/Rebar_spacer

    Plastic has mechanical properties (holds the bar in position) but no structural properties, and is a foreign element within the construction. When the concrete is poured into the form, a small gap is created between the concrete and the plastic. Plastic has a coefficient of thermal expansion and contraction 10 to 15 times that of concrete. [1]

  5. Form liner - Wikipedia

    en.wikipedia.org/wiki/Form_liner

    When the masterwork is finished, a cast is made using synthetic liquid rubber, and from this cast, form liners are produced in the reverse image of the original. A form liner panel is placed on the inside of a concrete forming system before the concrete has been poured and acts as a mold for the concrete to be formed against. Once the concrete ...

  6. Strap footing - Wikipedia

    en.wikipedia.org/wiki/Strap_footing

    A strap footing is a component of a building's foundation. It is a type of combined footing, [1] consisting of two or more column footings connected by a concrete beam. This type of beam is called a strap beam. It is used to help distribute the weight of either heavily or eccentrically loaded column footings to adjacent footings. [2]

  7. Exxon Mobil Corp. sues California attorney general for ...

    www.aol.com/exxon-mobil-corp-sues-california...

    Exxon Mobil Corp. filed a federal defamation lawsuit against California Attorney General Rob Bonta and several environmental groups, months after Bonta sued the oil and gas giant alleging that it ...

  8. My adult kids don't view work the same way that I do — why ...

    www.aol.com/adult-kids-dont-view-same-085234213.html

    I first understood the significance of work at 6 years old. I was at Toys “R” Us with my mom and desperately wanted a Star Wars figurine. With every ounce of convincing, I begged my mom, but ...

  9. Earthbag construction - Wikipedia

    en.wikipedia.org/wiki/Earthbag_construction

    Earthbag buildings can also be built on conventional concrete slabs (though this is more expensive and uses more embodied energy than a rubble trench foundation) and can have a bermed or underground "floating" foundation like an earthship as well. Several courses of gravel in doubled woven bags form a water-resistant foundation.

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