Types of Dams

Types of Dams

Types of dams are classified based on construction materials and site conditions, each serving different engineering and environmental needs. The main types—concrete, masonry, rock-fill, and earth dams—store water, control floods, support irrigation, and generate...
The Five Major Types of Spillways

The Five Major Types of Spillways

Spillways discharge water from upstream to downstream and represent the most essential structures for dams to function properly (Fig. 1). They release flood water without causing damage to the dam. The spillway often forms an integral part of the dam, constructed...
Soil Permeability

Soil Permeability

A material is permeable if it contains continuous voids. All materials, such as rocks, concrete, soils, etc., are permeable. The flow of water through all of them obeys approximately the same laws. Hence, the difference between the flow of water through rock or...
Sustainable Groundwater Management: Vision 2050

Sustainable Groundwater Management: Vision 2050

Bangladesh heavily depends on groundwater for irrigation, drinking water, and industrial uses. However, overextraction, pollution, and poor governance have put this vital resource at risk. To protect water security for future generations, sustainable groundwater...