Ads
related to: subsidence due to leaking drains in driveway cracks in basement slab floor
Search results
Results from the WOW.Com Content Network
Tectonic subsidence is the sinking of the Earth's crust on a large scale, relative to crustal-scale features or the geoid. [1] The movement of crustal plates and accommodation spaces produced by faulting [2] brought about subsidence on a large scale in a variety of environments, including passive margins, aulacogens, fore-arc basins, foreland basins, intercontinental basins and pull-apart basins.
Groundwater-related subsidence is the subsidence (or the sinking) of land resulting from unsustainable groundwater extraction.It is a growing problem in the developing world as cities increase in population and water use, without adequate pumping regulation and enforcement.
Subsidence frequently causes major problems in karst terrains, where dissolution of limestone by fluid flow in the subsurface creates voids (i.e., caves).If the roof of a void becomes too weak, it can collapse and the overlying rock and earth will fall into the space, causing subsidence at the surface.
The steel shuttering pinches the top surface of a concrete slab due to the weight of the next slab being constructed. Concrete slabs, block walls and pipelines are susceptible to cracking during ground settlement, seismic tremors or other sources of vibration, and also from expansion and contraction during adverse temperature changes.
The focal mechanism of this earthquake suggests normal faulting within the slab of the Nazca plate rather than on the subduction zone interface of the megathrust. [7] The earthquake rupture within the slab occurred on a near-vertical normal fault. [6] Records of aftershocks are sparse due to the poor instrumentation at the time. Few moderately ...
For premium support please call: 800-290-4726 more ways to reach us
Sedimentary basins are region-scale depressions of the Earth's crust where subsidence has occurred and a thick sequence of sediments have accumulated to form a large three-dimensional body of sedimentary rock. [1] [2] [3] They form when long-term subsidence creates a regional depression that provides accommodation space for accumulation of ...
"All of the sudden, one day, you start to notice cracks in your basement, and you come to find out that your house is worthless," state senator Peter Durant told WCVB.
Ads
related to: subsidence due to leaking drains in driveway cracks in basement slab floor