Engineering geological investigations are critical at every level of a dam project's implementation. More than a third of dam failures and ruptures occur as a result of poor engineering geological studies at the dam site, demonstrating the relevance of geology in the effective design of dam projects. Several dams have encountered issues during construction and operation. The breakdown of various dams in Iran is extremely clear. The Lar Dam, located northeast of Tehran, is the most visible of them. Although the dam's reservoir capacity is around one billion cubic metres, less than a third of the reservoir has been filled since its operation in 1980. The correct choice of dam site is one of the first phases in the building and design of dams that ensures the dam's success. Because Iran is located in seismically active areas, dams should be built with an understanding of how seismic activity may affect their stability. One of the most significant variables to examine is the presence of active faults near the dam site. This element may have an impact on the dam type chosen. This paper gives an overview of geological issues in dam construction and uses examples from Iran and other nations to highlight the significance of the topic. The geology of dam engineering covers a wide range of themes and specialities. The goal of this research is to give a general summary of how important geological investigations are for dam designers. Reviewing these cases will give civil and water engineers a better understanding of the soil properties beneath the dam foundation, allowing geological and civil engineers to work together more effectively. In addition, some major studies of problematic dam building around the world are highlighted in order for the engineers involved in the design team to gain a better knowledge of the situation.
Author(S) Details
Farzin Salmasi
Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.
John Abraham
University of St. Thomas, Minnesota, School of Engineering 2115 Summit Avenue St. Paul, Minnesota 55105, USA.
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