1. IntroductionRockfill dams are vital components of hydropower and water management projects. The integrity of the dam’s foundation and the stability of its structure are critical for its performance and safety. Microbial Bio-Treatment (MBT) has emerged as an innovative method to enhance the geotechnical properties of rockfill materials and ensure long-term durability. 2. Objective of … Read more
Introduction Hydroelectric projects play a pivotal role in sustainable energy generation by converting the kinetic and potential energy of water into electricity. They require meticulous engineering to address site-specific challenges, such as geology, water flow, structural stability, and environmental impact. This technical report delves into key engineering aspects of hydroelectric projects, including geological considerations, stress … Read more
Introduction The Neelum-Jhelum Hydroelectric Project, located in Azad Jammu and Kashmir, is a flagship venture under the Pakistan Water and Power Development Authority (WAPDA). It aims to harness hydropower efficiently through advanced engineering techniques. A key component of this project involves the excavation of a twin headrace tunnel spanning 11.5 km, constructed using Tunnel Boring … Read more
Sediment accumulation in reservoirs can significantly impact the efficiency of hydropower plants. Flushing operations are a vital part of managing sediment buildup, ensuring that the water flows freely through turbines and maintaining optimal dam safety. This process involves controlled releases of water to dislodge sediment deposits, preventing blockage and sediment-related damage to turbines and other … Read more
Spillway gates are critical components of dams, controlling water discharge for safety and flood management. Regular maintenance ensures smooth operation, structural integrity, and long-term reliability. Here are the key steps engineers follow to maintain spillway gates effectively: Spillway gate maintenance begins with inspection and assessment. Engineers conduct visual inspections to identify signs of wear, rust, … Read more
Design and construction of the Neelum-Jhelum Hydro Power Project has incorporated extensiveanalytical studies both prior to and during the period of construction. Nevertheless, it is not untilthe completed structures are put into service that the results of the efforts of WAPDA, theEngineer, and the Contractor can be truly confirmed. For the headrace tunnel (HRT) allappurtenant … Read more
A detailed study on dynamic deformation analysis of the rockfill dam in the Nauseri Dam site under the Operating Basis Earthquake (OBE), 475-year Earthquake and Maximum Credible Earthquake (MCE) is presented herein. Evaluation of the behavior of the interface between the rockfill dam embankment and concrete structures at the Nauseri Dam site, and donfirmation of … Read more
Reverse engineering in the context of dam structures involves analyzing, studying, and deconstructing existing dam designs, operations, and functionalities to understand their working principles and improve performance. This process is crucial for assessing aging infrastructure, optimizing water management, and ensuring dam safety. Key Applications of Reverse Engineering in Dams: 1. Structural Analysis: By analyzing the … Read more
We are thrilled to share the success story of our recent sediment flushing operation at the [Dam Name] run-of-river hydropower dam reservoir. The operation aimed to remove the huge deposits of silt that had accumulated in the reservoir over time. The Challenge The NJ reservoir had been experiencing significant sedimentation, which was affecting the dam’s … Read more