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Showing posts from December 18, 2022

Groundwater-related Problems in Foundation Engineering

  There are several groundwater-related problems that can impact foundation engineering: High water table: A high water table refers to a situation where the level of groundwater is close to the surface of the ground. This can create problems for foundations, as the weight of the building may cause the soil to become saturated and unstable. When soil becomes saturated with water, it can lose its strength and stability, which can lead to the settlement of the foundation. Settlement is the process by which the foundation sinks or settles into the ground, which can cause structural damage to the building. Signs of foundation settlement include cracks in the walls or floor, doors that stick or do not close properly, and windows that are difficult to open or close. Poor soil drainage: Poor soil drainage can cause excess water to accumulate around the foundation, which can lead to the same problems as a high water table. Poor drainage can be caused by a variety of factors, including a h

Process of Core Drilling

Process of Core Drilling  Core drilling is a drilling method used to obtain samples of rock or soil from the subsurface of the earth. It is commonly used in geotechnical and geological investigations, as well as in the mining and construction industries. The process of core drilling typically involves the following steps: .      Site preparation Before drilling can begin, the site must be prepared. This may involve clearing the area of any vegetation or debris, marking out the drilling location, and setting up any necessary safety measures. The site must also be surveyed to determine the precise location of the drilling, as well as to identify any potential hazards or constraints that may affect the drilling process. b.      Drilling rig setup  The drilling rig, which is a large, heavy-duty machine used to drill the hole, is set up on the site. The rig typically consists of a drill string (a series of interlocking pipes), a drill bit (a cutting tool used to drill through the ground), a

Importance of Geology in Hydropower Development of Nepal

Importance of Geology in Hydropower Development of Nepal Geology plays an important role in the development of hydropower in Nepal for several reasons: Water availability: Geology plays a key role in determining the availability of water in an area. Hydropower development requires a reliable and consistent water supply, which is often obtained from rivers or other surface water sources. The geology of an area determines the underlying rock formations and their ability to store and release water, which can affect the quantity and quality of the water available for hydropower development. For example, suppose the rock formations in an area are porous and able to absorb and hold large amounts of water. In that case, there may be a greater supply of water available for hydropower development. On the other hand, if the rock formations are less porous and do not hold as much water, the availability of water for hydropower development may be limited. Site suitability: Geology also plays a ro

Contribution of Geologist in Economic Development of Nepal

Geologists play a vital role in the economic development of Nepal by providing important information and expertise on the country's natural resources. Geologists are responsible for identifying and assessing the potential for the extraction and processing of mineral resources, such as limestone, marble, gypsum, quartz, and talc, which are important raw materials for the construction, cement, and ceramic industries. They also contribute to the development of Nepal's hydroelectric power sector by identifying and assessing the potential for hydroelectric power generation and helping to design and construct hydroelectric power plants. Geologists also contribute to the development of Nepal's agricultural sector by studying soil conditions and determining the most suitable crops for different areas. They also help to identify and assess the potential for irrigation and water resource development, which are important for the growth of crops and the overall economic dev