In concrete dams, cracks are formed mainly due to shrinkage of concrete due to temperature variations. These cracks may develop internally in the body of the dam or externally on the surface of the dam. Surface cracks are more dangerous ...
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Why do Modern Dams Fail?
Dam failures rarely occur, but when they do, it wreaks havoc into the environment and human life. There are several reasons that contribute to dam failure like overtopping, failure of foundation, erosion, improper maintenance, etc. Modern dams make use of ...
Cofferdam- Types, Selection Criteria, and Applicability Conditions
A cofferdam is a temporary structure designed and constructed to support ground and keep groundwater or water above ground level away from an excavation. By and large, a cofferdam does not exclude water out of excavation completely since the construction ...
Causes of Failures of Earthfill Dams
Earthfill dams are less rigid and more susceptible to failure. Like most of engineering structures, earth dams may fail due to various reasons such as faulty design, improper construction and poor maintenance practices, etc. Different causes of failure of earthfill ...
21 Types of Dams in Construction
Various types of dams are constructed based on their usage. These dams are classified based on construction material used, structure and design, functions, hydraulic design and size. Types of Dams in Construction Classification Based on Construction Material used for a ...
Factors Affecting Embankment Dams Design and Construction
There are number of factors that affect embankment dam design. That is why the designer needs to take these factors into consideration during the design. These factors will be discussed briefly in the following sections. Factors Affecting Design and Construction ...
Operations in Embankment Dam Construction
Construction of Embankment Dam The construction operation of embankment dams is divided into four major groups of construction activities which include: Material source development activities Foundation preparation activities Fill construction operation Ancillary works construction activities Fig.1: Embankment Dam Construction Material ...
Common Causes of Failures of Dam Structures
Dam structures are subjected to horizontal loading from the water head behind, the pressure from the water towards the dam materials, the neighboring geology as well as from the size of the reservoir. These features are unique in the case ...