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A wave-dissipating concrete block is a naturally or manually interlocking concrete structure designed and employed to minimize the effects of wave action upon shores and shoreline structures, such as quays and jetties. One of the earliest designs is the Tetrapod, invented in 1950.
Tetrapods used to protect a seawall Large interlocked Xblocs (8.0 m 3 or 280 cu ft) in a trial placement. A wave-dissipating concrete block is a naturally or manually interlocking concrete structure designed and employed to minimize the effects of wave action upon shores and shoreline structures, such as quays and jetties.
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.
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving ( see below ).
Most of the piers of modern bridges are made of reinforced concrete or prestressed concrete for larger structures. Two types of forms are mainly encountered: columns or walls. Each support can be composed of one or more walls or columns. The standard-shaped walls that can be found on most highways are represented in the illustration opposite.
A U.S. Navy ship and several Army vessels involved in an American-led effort to bring more aid into the besieged Gaza Strip are offshore of the enclave and building out a floating platform for the ...
A concrete girder bridge pier during construction prior to installation of the bridge deck and parapets, consisting of multiple angled pylons for support (bottom), a horizontal concrete cap (center), and girders (top) with temporary wood bracing A quadruple compound pier supporting the fly-over at the traffic junction 24 Oktoberplein (Utrecht ...
111 Eighth Avenue occupies the full city block between Eighth and Ninth Avenues and 15th and 16th Streets in the Chelsea neighborhood of Manhattan, New York City. [1] The building, completed in 1932, was designed by Lusby Simpson of Abbott, Merkt & Co. [2] [3] The building is 15 stories tall and has 2.9 million square feet (270,000 m 2) of floor space, more than the Empire State Building; [4 ...