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The subduction of bathymetric highs such as aseismic ridges, oceanic plateaus, and seamounts has been posited as the primary driver of flat slab subduction. [3] The Andean flat slab subduction zones, the Peruvian slab and the Pampean (Chilean) flat slab, are spatially correlated with the subduction of bathymetric highs, the Nazca Ridge and the Juan Fernandéz Ridge, respectively.
The Pampean flat-slab is one of three flat slabs in South America, the other being the Peruvian flat-slab and the Bucaramanga flat-slab. [ 1 ] It is thought that the subduction of the Juan Fernández Ridge , a chain of extinct volcanoes on the Nazca Plate , is the underlying cause of the Pampean flat-slab.
Slabs experiencing low angle (less than 30 degrees) subduction is considered flat-slab, primarily in southern China and the western United States. [ 11 ] [ 12 ] Marianas Trench is an example of a deep slab, thereby creating the deepest trench in the world established by a steep slab angle. [ 13 ]
Slab pull force, the tectonic plate force due to subduction; Slab suction, one of the major plate tectonic driving forces; Slab window, a gap that forms in a subducted oceanic plate; Slab (fossil) and counter slab, the two counterparts of a fossil impression; Slab hut, a kind of dwelling made from slabs of split or sawn timber; Slab of beer, a ...
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 ).
Slab track with flexible noise-reducing rail fixings, built by German company Max Bögl, on the Nürnberg–Ingolstadt high-speed line. A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of sleepers and ballast is replaced by a rigid construction of concrete or asphalt.
A slab-trap is very much alike but more conclusive. Hunting with slabs is a system of hunting by means of a slab-trap. The fundamental part of the device is a slab. Preparing this trap was a delicate task. [7] [13] [14] Preparation of the trap: A slab of suitable dimensions is held in a raised position forming an appropriate angle with the ...
Tilt-up, tilt-slab or tilt-wall is a type of building and a construction technique using concrete. Though it is a cost-effective technique with a shorter completion time, [ 1 ] poor performance in earthquakes has mandated significant seismic retrofit requirements in older buildings.