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Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.
A curb box (also known as a valve box, buffalo box, b-box, or in British English stopcock chamber) is a vertical cast iron sleeve, accessible from the public way, housing the shut-off valve (curb cock or curb stop) for a property's water service line.
Reinforced earth with gabions supporting a multilane roadway Gabions as X-ray protection during customs inspection. A gabion (from Italian gabbione meaning "big cage"; from Italian gabbia and Latin cavea meaning "cage") is a cage, cylinder or box filled with rocks, concrete, or sometimes sand and soil for use in civil engineering, road building, military applications and landscaping.
The purpose of the cone section is to reduce the openings from large chamber sizes to small cover sizes. In a masonry manhole, the bricks form a corbel inward to reduce the opening to a desired size. [14] In precast concrete, the cone section comes in two forms, concentric and eccentric. In a concentric cone section, the top opening is in the ...
Roadway control joints may be sealed with hot tar, cold sealant (such as silicone), or compression sealant (such as rubber or polymers based crossed linked foams). [7] Mortar with a breakaway bond may be used to fill some control joints. Control joints must have adequate depth and not exceed maximum spacing for them to be effective.
Culvert with secure headwall in Bromsgrove, England Stone culvert in Haapsalu, Estonia Steel culvert with a plunge pool below A multiple culvert assembly in Italy Precast concrete box culvert Large box culvert on Rio Monterroso. A culvert is a structure that channels water past an obstacle or to a subterranean waterway.
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The latter performs the same functions of the infill wall, hygro-thermically and acoustically, but performs static functions too. The use of masonry infill walls, and to some extent veneer walls, especially in reinforced concrete frame structures, is common in many countries. In fact, the use of masonry infill walls offers an economical and ...
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