Leakage is the most serious problem in reservoir operation, because heavy leakage influences impoundment efficiency and even leads to a complete loss of functions. Since its completion 1982, Qionglin Reservoir has never been fully filled with water except spring 1983 when there was rain. The management unit suspected that side slopes, bottom or dam might leak carried out number prevention impro...

Historically, tailings facilities have been designed primarily with consideration of the mine’s active life. This is problematic, as lifespan a dam may far exceed life mine. Over time, it expected that these structures will transform into mine waste structure and then eventually landform. In Alberta, Canada, owners can submit decommissioning, closure, abandonment (DCA) plan completion reports t...

In spite of the fact that the effect of earthquake on earth dams has been widely studied during the past decades, the complicated behavior of such earth structures against different seismological characteristics is still unknown. Such ambiguities necessitate more accurate studies using more comprehensive computation tools to achieve new results describing the behavior of such structures subject...

In spite of the fact that the effect of earthquake on earth dams has been widely studied during the past decades, the complicated behavior of such earth structures against different seismological characteristics is still unknown. Such ambiguities necessitate more accurate studies using more comprehensive computation tools to achieve new results describing the behavior of such structures subject...

Abstract Reducing the damage due to landslide dam failures requires prediction of flood hydrographs. Although progressive failure is one main modes dams, no method available. This study develops a for predicting failure. The proposed consists model and overtopping erosion model. can reproduce collapse progression from toe predict longitudinal shape reservoir water level when overflows. uses the...

Habitat fragmentation is the primary cause of the loss of biodiversity and ecosystem services, but its underlying processes and mechanisms remain poorly understood. Studies of islands and insular terrestrial habitats are essential for improving our understanding of habitat fragmentation. We argue that the Three-Gorges Dam, the largest that humans have ever created, presents a unique grand-scale...

A computational methodology dedicated to embankment dam performance assessment has been designed and implemented. The model’s inputs are the whole set of available information and data: visual observations, monitoring measurements, calculated data and documents related to design and construction processes. Firstly, a formal grid is proposed to structure the inputs. It is composed of six fields:...

Most dams leak to an extent – if steady state conditions exist and remain whilst the dam is in service it is not necessarily a problem and the situation is just monitored for the quantity and ‘quality’ of leaks. However, if leakage suddenly appears or increases in any way that the dam could be at risk, or the economic value of the leaking water is large, then often investigation and remedial wo...