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2. 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, concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

3. Autoclaved aerated concrete - Wikipedia

   en.wikipedia.org/wiki/Autoclaved_aerated_concrete

   Autoclaved aerated concrete (AAC) is a lightweight, precast, cellular concrete building material. It is eco-friendly, and suitable for producing concrete-like blocks . [ 1 ] It is composed of quartz sand , calcined gypsum , lime , portland cement , water, and aluminium powder .

4. 3D concrete printing - Wikipedia

   en.wikipedia.org/wiki/3D_concrete_printing

   Architectural and structural applications of 3D-printed concrete include the production of building blocks, ... prices in the mid $400,000. ... building codes ...

5. Precast concrete - Wikipedia

   en.wikipedia.org/wiki/Precast_concrete

   A retaining wall made of modular precast concrete blocks. Precast concrete is employed in a wide range of engineered earth retaining systems. Products include commercial and residential retaining walls, sea walls, mechanically stabilized earth panels, and other modular block systems. [9]

6. Ecology block - Wikipedia

   en.wikipedia.org/wiki/Ecology_block

   Ecology blocks are manufactured using concrete left over from other construction processes. A cross-section of an eco-block typically measures 2 feet (61 cm) square, with block lengths ranging from 3 feet (91 cm) to 6 feet (180 cm). One block weighs between 1,800 pounds (820 kg) and 4,000 pounds (1,800 kg). [1]

7. Concrete - Wikipedia

   en.wikipedia.org/wiki/Concrete

   A single concrete block, as used for construction. Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2]