By Anton Schleiss (ed.), Robert M. Boes (ed.)
Some time past, boundary stipulations within the construction of dams have replaced, as technological advancements were influential on dam making plans, building, operation and upkeep strategies. it's ICOLD’s project not to in simple terms reflect on those advancements but in addition appropriately care for environmental points and comparable infrastructure concerns. Altered water cycles, extra severe climatic conditions and more and more normal dangers basically have an effect on the secure and reasonable operation of dams and reservoirs. in addition, emission-free hydropower creation because the most vital kind of “liquid” solar power and the supply of water for irrigation and potable water offer is changing into a growing number of very important to fulfill the world’s quickly growing to be call for for power and nutrition in a sustainable way.
Dams and Reservoirs lower than altering demanding situations covers matters starting from dam engineering in the course of the advantages and downsides of dams, together with the newest advancements facing dams and reservoirs below altering environmental and socioeconomic stipulations. it's a priceless source for pro and dam engineers, water supervisor, governmental enterprises and advertisement experts chargeable for dam layout and administration.
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Extra info for Dams and Reservoirs under Changing Challenges
Since the San Roque Power Plant, of which operation was started in 2003, is a relatively new power plant, significant degradation progress was not observed in the inspection. KANSAI could record the concrete condition at a relatively early stage. This data will be very useful at future stage in which degradation of the plant will advance. The photographic image measurement at the San Roque waterway tunnel is the first-time experiment for KANSAI to conduct the measurement more than twice at the same point.
Figure 8 also shows the linear relation between the seepage from drain holes and the water level recently, so the hydraulic characteristic of the foundation of the dam is thought to be stable. 2 Uplift measurement There were some cases where the uplift of a concrete-gravity dam showed “0”. In this case, it is necessary to check the reason why the instrument doesn’t react, for example, the breakdown of the meter, or the plugging of the drain holes. After the soundness of the devices is confirmed, it will be able to judge whether the uplift shows “0”, or the uplift water level doesn’t reach the top of the hole.
Result of waterway tunnel image analyses. Authors have given on-the-job training of taking the images to the local civil engineer of the San Roque Multi-purpose Project. From now the local engineers will take and send the images to us and authors will conduct image processing in our laboratory. KANSAI can share the wide variety of the database both in Philippines and in Japan, and it makes the O&M more reliable and effective. 4 CONCLUSION In this study, we have developed the photographic image measurement applying both for the surface of a dam and the concrete lining of a tunnel and have confirmed the availability with a certain level of the accuracy.