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KAPLA was invented in 1987 by Dutchman Tom van der Bruggen. A student of art history, Van der Bruggen had hopes of building a castle from an early age. Inspired by an old abandoned farm on the river Tarn in the South of France, Van der Bruggen converted the farm into his dream castle, complete with carriage entrance, fountains, and towers.
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 ...
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.
In the United States, most building codes [15] call for a minimum compressive strength of 2.1 N/mm 2 (300 lbf/in 2) for the adobe block. Adobe construction should be designed so as to avoid lateral structural loads that would cause bending loads. The building codes require the building sustain a 1 gram (0.035 oz) lateral acceleration earthquake ...
Pratt based her blocks on a similar but larger-scale block system designed by educator Patty Hill, a follower of Friedrich Fröbel, the originator of kindergarten education. Fröbel's series of 20 age-calibrated educational "gifts" had included a set of eight blocks, sized ½ by 1 by 2 inches, or a 1:2:4 ratio, which could be formed into a cube ...
A city block, residential block, urban block, or simply block is a central element of urban planning and urban design. In a city with a grid system, the block is the smallest group of buildings that is surrounded by streets. City blocks are the space for buildings within the street pattern of a city, and form the basic unit of a city's urban ...
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.
Building block or building blocks may refer to: Toy blocks; Building blocks (toy) Concrete masonry unit; Building block (chemistry) Components that are part of a larger system; Building block model, a form of public utility regulation that is common in Australia