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A free-hanging SCR assumes a shape roughly similar to the letter 'J'. A catenary of a Steel Lazy Wave Riser (SLWR) consists in fact of at least three catenary segments. The top and the seabed segments of the catenary have negative submerged weight, and their curvatures 'bulge' towards the seabed.
Pages in category "Wave-dissipating concrete blocks" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. *
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.
No panel rotation is being considered. Panel Volume: V = w x h x d = 6.0 m x 3.0 m x 0.15 m = 2.7 m 3; Weight: W = V x concrete specific gravity = 2.7 m 3 x 24 kN/m 3 = 64.8 kN; Calculated casting bed suction Suction area: A = w x h = 6.0 m x 3.0 m = 18 m 2; Assuming 1.0 kN/m 2 is applied for oiled steel formwork
Large Xblocs (8.0 m 3 or 280 cu ft) on a trial placement area. An Xbloc is a wave-dissipating concrete block (or "armour unit") designed to protect shores, harbour walls, seawalls, breakwaters and other coastal structures from the direct impact of incoming waves.
Worthington Industries was founded in 1955 by John H. McConnell, a steel salesman. McConnell saw an opportunity for custom-processed steel and purchased his first load of steel by borrowing $600 against his 1952 Oldsmobile. He founded the company in Columbus, Ohio, where it is still headquartered.