Detail publikace

Evaluation of the stability of slopes of dams of small water reservoirs in relation to the requirements of CSN 75 2410

ŘÍHA, J. VRUBEL, J.

Originální název

Evaluation of the stability of slopes of dams of small water reservoirs in relation to the requirements of CSN 75 2410

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

Small reservoirs are defined by the Czech national standard ČSN 75 2410 as a schemes with dam height smaller than 9 m and with reservoir capacity less than 2 million m3. In some cases designing and assessing a slope stability of small embankment dams is not carried out using slope stability calculations. For these dams standard ČSN 75 2410 recommends the maximal upstream and downstream slopes based on embankment material classification. Even so the margin of safety of these recommended slopes is not assigned. Aim of this paper is to evaluate safety reserve included in recommended slopes for the most frequent homogenous embankment dams. The safety factors for individual variants were evaluated using the PLAXIS 2D and the GeoStudio Slope/W software. The results indicated reasonable safety reserve in case of embankments provided with toe drain, much less safety was achieved in cases with small dams with phreatic surface reaching the downstream slope. Rather small safety factors for upstream slopes are related to the rapid drop of water level in the reservoir at undrained conditions. Logically the safety factor is strongly influenced by shear strength parameters of the soils.

Klíčová slova

small embankment dam, reservoir, stability, Czech national standard

Autoři

ŘÍHA, J.; VRUBEL, J.

Rok RIV

2015

Vydáno

29. 9. 2015

Nakladatel

Instytut Meteorologii i Gospodarki Wodnej, Panstwowy Instytut Badawczy, Waszawa

Místo

Waszawa, PL

ISBN

978-83-64979-09-5

Kniha

Eksploatacja budowli pietrzacych - diagnostyka i zapobieganie zagroženiom

Strany od

213

Strany do

225

Strany počet

13

BibTex

@inproceedings{BUT117336,
  author="Jaromír {Říha} and Jan {Vrubel}",
  title="Evaluation of the stability of slopes of dams of small water reservoirs in relation to the requirements of CSN 75 2410",
  booktitle="Eksploatacja budowli pietrzacych - diagnostyka i zapobieganie zagroženiom",
  year="2015",
  pages="213--225",
  publisher="Instytut Meteorologii i Gospodarki Wodnej, Panstwowy Instytut Badawczy, Waszawa",
  address="Waszawa, PL",
  isbn="978-83-64979-09-5"
}