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Publikācija: Assesment of the Enclosing Wall for Preventing of Ground Dewatering caused by Building of Underground Construction in the Town Riga

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Nosaukums oriģinālvalodā Assesment of the Enclosing Wall for Preventing of Ground Dewatering caused by Building of Underground Construction in the Town Riga, Latvia
Pētniecības nozare 1. Dabaszinātnes
Pētniecības apakšnozare 1.2. Datorzinātne un informātika
Pētniecības platforma Neviena
Autori Aivars Spalviņš
Kaspars Krauklis
Inta Lāce
Atslēgas vārdi hydrogeological model, depression cone, watertight wall
Anotācija In order to erect an underground construction, it is necessary to drain its trench by pumping out groundwater. If information on hydrogeological data of the place and on the trench are available then it is possible to estimate, by using modelling, the necessary pumping rate and to compute lowering of groundwater head at the trench surroundings (depression cone) developed by the pumping. There ground dewatering happens that may cause subsidence of buildings and streets and to worsen life of plants. For this reason, the dewatering must be considerably minimized. It can be done by enclosing the trench by a watertight wall. In the town Riga, a many storied house will be built. It includes underground floors that can be created only in the drained trench. To find the wall depth and permeability, the detailed hydrogeological model (HM) has been built (size 400m×400m, 7 layers, plane approximation step 0.5m). To run HM, the commercial software Groundwater Vistas 6 was applied. The impact of the most probable failures of the wall was investigated. The original methodology of modelling has been applied. It may of interest for modelers dealing with finding of depression cones caused by groundwater withdrawals.
DOI: 10.5593/sgem2019/3.1/S12.008
Hipersaite: https://www.sgem.org/index.php/elibrary?view=publication&task=show&id=5605 
Atsauce Spalviņš, A., Krauklis, K., Lāce, I. Assesment of the Enclosing Wall for Preventing of Ground Dewatering caused by Building of Underground Construction in the Town Riga, Latvia. No: Hydrogeology and Water Resources: 19th International Multidisciplinary Scientific GeoConference (SGEM 2019), Bulgārija, Albena, 30. Jūn-6. Jūl., 2019. Sofija: STEFF92 Technology Ltd., 2019, 57.-64.lpp. ISBN 978-9934-18-381-2. ISSN 1314-2704. Pieejams: doi:10.5593/sgem2019/3.1/S12.008
Papildinformācija Citējamību skaits:
  • Scopus  0
ID 30059