Fly ash is one of coal ashes resulted from power plants using coal to generate electricity. As a result of large utilization of coal, large volumes of coal ash produced as waste material. Direct use of these materials in construction projects, not only provides a promising solution to the disposal problem, but also as an alternative for structural fills material. High shear strength, low compre...

the number of constructed dams has been largely increased due to high demands of water supplies, and earth dams are the most common types since they are more compatible to the environment. nevertheless, the stability of these important structures during earthquakes has to be carefully evaluated and guaranteed. in the past, earth dams usually designed with pure clay core, but in recent decades t...

An adaptive neuro-fuzzy inference system (ANFIS) was developed using the subtractive clustering technique to study the air demand in low-level outlet works. The ANFIS model was employed to calculate vent air discharge in different gate openings for an embankment dam. A hybrid learning algorithm obtained from combining back-propagation and least square estimate was adopted to identify linear and...

We investigate techniques for earth dam and levee health monitoring and automatic detection of anomalous events in passive seismic data. We have developed a novel data-driven workflow that uses machine learning and geophysical data collected from sensors located on the surface of the levee to identify internal erosion events. In this paper, we describe our research experiments with binary and o...

The Sacachún commune in Ecuador currently faces a lack of water for its agricultural development; this reduces possibilities socio-economic development and causes migration to urban areas. This research proposes presa colinar (hill dam) design that uses ancestral knowledge classic engineering techniques promote use during the dry season semi-arid regions. methodology consisted of: (i) systemati...

Abstract Internal erosion is susceptible to occur in conditions where there are cracks or pre-formed cavities at the interface between dam foundation and embankment. The initiation of internal related critical gradient ( I c ) hydraulic xy a certain position. addition repair materials improvement will change total head, especially on foundation, so value also simultaneously from upstream downst...

The paper presents a functionality investigation of the key dam elements based on finite element analysis. A detailed analysis filtration processes, strength, and surrounding rock mass was conducted. Dam whose potential damage could jeopardize normal functioning embankment have been identified. particular emphasis placed that identified as weak points. numerical impact individual grout curtain ...