Three-dimensional investigations; demonstration of lowering of groundwater; investigation of excavation pits Features - investigation of groundwater flows - demonstration of lowering of groundwater - investigation of excavation pits Learning objectives/experiments - determining the groundwater level - lowering of groundwater level via two wells - groundwater flow on excavation pits - groundwater studies under concentric load on the substrate Specification [1] investigation of groundwater flows [2] stainless steel tank as experimental section to be filled with coarse sand [3] water supply via 2 open-seam tubes [4] water drain via 2 wells with open-seam tubes in the experimental section [5] water feeds and discharges can be adjusted separately via valves [6] 19 measuring connections with filters to detect the groundwater levels, arranged orthogonal to the tank bottom [7] 2 different models for excavation pits [8] 1 model for structure with waterproof bottom [9] groundwater levels displayed on the 19 tube manometers Technical data Tank - material: stainless steel - content, LxWxH: 1000x615x350mm - 19 measuring connections on the bottom of the tank Plastic models - excavation pit, LxWxH: 610x464x150mm - excavation pit, LxWxH: 256x464x150mm - structure with waterproof bottom -- ØxH: 180x150mm, inner tube ØxH: 40x330mm Measuring ranges - pressure: 19x 0...300mmWC LxWxH: 1340x900x1000mm Weight: approx. 125kg
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