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A geogrid is geosynthetic material used to reinforce soils and similar materials. Soils pull apart under tension. Compared to soil, geogrids are strong in tension. This fact allows them to transfer forces to a larger area of soil than would otherwise be the case. [citation needed] Geogrids are commonly made of polymer materials, such as ...
Also known as Arctic bases, polar stations or ice stations, these bases are widely distributed across the northern polar region of Earth. Historically few research stations have been permanent. Most of them were temporary, being abandoned after the completion of the project or owing to lack of funding to continue the research.
Isogrid on the interior of the adapter connecting the Orion spacecraft to the Delta IV rocket for Exploration Flight Test 1. Isogrid is a type of partially hollowed-out structure formed usually from a single metal plate (or face sheet) with triangular integral stiffening ribs (often called stringers). It was patented by McDonnell Douglas (now ...
Structural insulated panel. SIPs are most commonly made of OSB panels sandwiched around a foam core made of polystyrene. A structural insulated panel, or structural insulating panel, (SIP), is a form of sandwich panel used in the construction industry. SIP is a sandwich structured composite, consisting of an insulating layer of rigid core ...
Curtain wall (architecture) For the defensive walls around castles and towns, see Curtain wall (fortification). A building project in Wuhan, China, demonstrating the relationship between the inner load-bearing structure and an exterior glass curtain wall. Curtain walls are also used on residential structures.
A geodesic grid is a global Earth reference that uses triangular tiles based on the subdivision of a polyhedron (usually the icosahedron, and usually a Class I subdivision) to subdivide the surface of the Earth. Such a grid does not have a straightforward relationship to latitude and longitude, but conforms to many of the main criteria for a ...
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