recycle concrete mix design

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Mix Design and Properties of Recycled Aggregate Concretes ...

Aug 26, 2014 · At fresh state, the mix design of concrete with recycled aggregates requires an additional quantity of water to obtain a similar workability as a concrete formulated with natural aggregates (Hansen and Boegh 1986 ). Such a modification may obviously affect the mechanical characteristics of recycled aggregates concrete.

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Using Recycled Concrete Aggregate in New Concrete Pavement ...

Aug 14, 2017 · These advances present an opportunity to re-evaluate the use of recycled aggregates in concrete mixes, which aligns with two important trends: the diminishing availability of virgin, high-quality aggregate, and the growing federal emphasis on sustainable design. Using recycled concrete as aggregate fulfills the three basic principles of sustainability: performance, environmental stewardship and cost-effectiveness.

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Green Concrete - Making New Concrete Out of Recycled Materials

The new concrete mix made with mostly recycled materials won the 2010 American Society of Civil Engineers' (ASCE) Charles Pankow Award for Innovation. Designing the Green Concrete Mix The new concrete mix was made using crushed recycled concrete aggregate for both the coarse aggregate and sand, recycled concrete washout water, fly ash, slag, admixtures, and only 2 percent cement.

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Recycled Concrete Aggregate - an overview | ScienceDirect Topics

4.11.6 Recommendations for recycled concrete aggregate use. It will be useful to include special provisions in construction contracts to track and implement waste management activities. There is a need to develop mix design and procedures for the reuse of chunks of aggregates with cement mortar coating salvaged from the debris.

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Concrete Recycled Content | LEEDuser

Mar 28, 2014 · “Concrete Mix Designs” are “recipes” that list the mass of each component used in each batch of concrete. Typically, a structural or civil engineers writes the concrete specification and requires the concrete supplier to submit test reports & other documentation to demonstrate that the concrete meets specified requirements.

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