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  2. Contour crafting - Wikipedia

    en.wikipedia.org/wiki/Contour_crafting

    Contour crafting is a building printing technology being researched by Behrokh Khoshnevis of the University of Southern California's Information Sciences Institute (in the Viterbi School of Engineering) that uses a computer-controlled crane or gantry to build edifices rapidly and efficiently with substantially less manual labor.

  3. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    Precast concrete molds can be made of timber, steel, plastic, rubber, fiberglass, or other synthetic materials, with each giving a unique finish. [3] In addition, many surface finishes for the four precast wall panel types – sandwich, plastered sandwich, inner layer and cladding panels – are available, including those creating the looks of ...

  4. Engineered cementitious composite - Wikipedia

    en.wikipedia.org/wiki/Engineered_cementitious...

    Applications include floating homes, barges, and canoes. ‘Self compacting concrete’ refers to a concrete that can flow under its own weight. For instance, a self-compacting material would be able to fill a mold containing elaborate pre-positioned steel reinforcement without the need of vibration or shaking to ensure even distribution.

  5. Formwork - Wikipedia

    en.wikipedia.org/wiki/Formwork

    A matching form will be placed on the opposite side to create the space to pour concrete into. Formwork is molds into which concrete or similar materials are either precast or cast-in-place. In the context of concrete construction, the falsework supports the shuttering molds. In specialty applications formwork may be permanently incorporated ...

  6. EPA grants $135 million to California for electric school ...

    www.aol.com/news/epa-grants-135-million...

    The move follows Gov. Gavin Newsom's August announcement of $500 million in state aid to put 1,000 electric school buses on the road in California. Last year, the governor mandated that all new ...

  7. California mission project - Wikipedia

    en.wikipedia.org/wiki/California_mission_project

    The California mission project is an assignment done in California elementary schools, most often in the fourth grade, where students build dioramas of one of the 21 Spanish missions in California. While not being included in the California Common Core educational standards, the project was vastly popular and done throughout the state.

  8. California bill would mandate armed school officers following ...

    www.aol.com/news/california-bill-mandate-armed...

    (The Center Square) – California Assemblyman Bill Essayli has proposed a bill that would require every school in the state to have armed school resource officers on campus. Essayli introduced ...

  9. Calcium aluminate cements - Wikipedia

    en.wikipedia.org/wiki/Calcium_aluminate_cements

    The hydration reactions of calcium aluminate cements are very complex. The strength-developing phases are monocalcium aluminate (CA), dodeca-calcium hepta-aluminate (C 12 A 7), and belite (C 2 S), a dicalcium silicate. Calcium aluminoferrite (C 4 AF), monocalcium dialuminate (CA 2), gehlenite, and pleochroite contribute little to the concrete ...

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