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  2. Compressed earth block - Wikipedia

    en.wikipedia.org/wiki/Compressed_earth_block

    A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure, and then drying the ...

  3. Autoclaved aerated concrete - Wikipedia

    en.wikipedia.org/wiki/Autoclaved_aerated_concrete

    Accuracy: Panels and blocks made of autoclaved aerated concrete are produced to the exact sizes needed before leaving the factory. There is less need for on-site trimming. Since the blocks and panels fit so well together, there is less use of finishing materials such as mortar.

  4. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    It is formed by leaving out some or all of the fine aggregate (fines). The remaining large aggregate then is bound by a relatively small amount of Portland cement. When set, typically between 15% and 25% of the concrete volume is voids, allowing water to drain at around 5 gal/ft 2 / min (70 L/m 2 /min) through the concrete.

  5. Eco-Block - Wikipedia

    en.wikipedia.org/wiki/Eco-Block

    “Eco-blocks for Eco-schools”, which is a joint programme held by The Hong Kong Polytechnic University and HSBC Insurance, aims at improved environment and air quality of schools with the use of the Eco-Block since 2008. King Lam Catholic Primary School (景林天主教小學) was one of beneficiary and an area of 200 square metres on the ...

  6. Decorative concrete - Wikipedia

    en.wikipedia.org/wiki/Decorative_concrete

    A brown Exposed Aggregate concrete driveway with a gray Exposed Aggregate border. Exposed aggregate concrete is a popular decorative concrete option known for its decorative gravel appearance. During the concrete pouring process, the top layer of cement/sand paste is removed to reveal the embedded aggregate (stones, pebbles, or even shells).

  7. Permeable paving - Wikipedia

    en.wikipedia.org/wiki/Permeable_paving

    Single-sized aggregate without any binder, e.g. loose gravel, stone-chippings, is another alternative. Although it can only be safely used in walkways and very low-speed, low-traffic settings, e.g. car-parks and drives, its potential cumulative area is great. [citation needed]

  8. Workers at Elon Musk’s Boring Co. accidentally dug ... - AOL

    www.aol.com/finance/workers-elon-musk-boring-co...

    Workers at the Elon Musk–owned tunneling startup the Boring Company accidentally exposed the foundations of two pillars supporting Las Vegas's elevated monorail train last year, forcing county ...

  9. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.