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Each Bolwoning (literally 'sphere house', or 'ball house') is constructed with Glass fiber reinforced concrete. The houses were prefabricated in Rotterdam and could be erected in as little as one day and were designed to have low energy consumption and easy maintenance. [1] [2] Each house has three main levels, with storage in bottom.
An illuminated bollard has a recessed base light unit in the foundation to illuminate the traffic bollard from all angles. [15] The main components are housed below the road or pedestrian surface (typically a concrete surface) so that if a vehicle strikes the traffic bollard the parts below the surface are not damaged.
Dorodango – Japanese art form in which earth and water are molded to create a delicate shiny sphere; Gypcrust – Hardened layer of soil with a high percentage of gypsum. CaSO 4 concretions in arid and semi-arid soils; Klerksdorp sphere – Natural nodule-like rock concretions; Martian spherules – Small iron oxide spherules found on Mars
A dolos (plural: dolosse [1]: 10 ) is a wave-dissipating concrete block used in great numbers as a form of coastal management. It is a type of tetrapod . Weighing up to 8 tonnes (8.8 short tons ), dolosse are used to build revetments for protection against the erosive force of waves from a body of water.
A man who bills himself as “The Official Pro-Life Spider-Man” scaled the exterior of the massive Sphere venue in Las Vegas on Wednesday to raise funds for a pregnant woman, according to a post ...
Concrete: 1st century BC – 1st century BC 6.52 21.4 Stabiae Thermae Laconicum: Pompeii, Italy Roman Empire: Cone vault (early form of a dome). Oldest known dome built with Roman concrete. [3] 1st century BC – 19 BC Temple of Mercury (details earlier) since 128 Pantheon (details earlier) Masonry: 2nd century – 150 11.5 38 Red Basilica ...
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