Taishir RCC Dam in Mongolia
Taishir Hydropower Project, including a 52m high RCC dam, is at present under construction in Mongolia. Purpose of the HPP is to provide an alternative production of power, in order to reduce present high costs related to supply and transport of fuel to thermal power plants. The dam is located in a remote area about 1, 000km from the capital Ulan Baatar, where temperatures range from -50℃ to + 40℃, with frequent freeze/thaw cycles. Due to these conditions, to minimise thermal cracking the designer AMEC/SMEC made the decision of keeping the cement content as low as possible. Design includes an impervious upstream PVC geomembrane facing, which protects the RCC from extremely low temperatures and enhances watertightness of the dam in extreme climate conditions. The anchorage details of the impervious geomembrane system are functions of its exposure to the environment. Installation of the geomembrane system started on site in June 2007. The paper describes the challenges posed by a project in such a particular environment, illustrates the rationale for the selection of the waterproofing system, addresses the technical details involved, and describes the phases that have been performed up to the date of completion of the paper.
geocomposite drainage tensioning
Alberto Scuero Gabriella Vaschetti
Carpi Tech S. A., Corso S. Gottardo 86-6830 Chiasso-Switzerland
国际会议
第五届碾压混凝土坝国际研讨会(The Fifth International Symposium on Roller Compacted Concrete(RCC))
贵阳
英文
145-148
2007-11-02（万方平台首次上网日期，不代表论文的发表时间）