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امکان‌سنجی استفاده از فناوری‌های نوین در اصلاح و بازسازی کانال‌های انتقال آب در حین بهره‌برداری (مطالعه موردی: کانال اصلی شبکه آبیاری مغان – ایران) | ||
| تحقیقات مهندسی سازه های آبیاری و زهکشی | ||
| دوره 24، شماره 91، آبان 1402، صفحه 22-49 اصل مقاله (2.52 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/idser.2023.362797.1548 | ||
| نویسندگان | ||
| ایاز قوی بازو* 1؛ تلمان حاجی اف2 | ||
| 1دانش آموخته دکترای مهندسی عمران ، سازه های هیدرولیکی، دانشگاه معماری و ساختمان آذربایجان، باکو، آذربایجان | ||
| 2استاد، گروه مهندسی عمران، دانشگاه معماری و ساختمان آذربایجان، باکو، آذربایجان. | ||
| چکیده | ||
| هدف از احداث شبکه‌های آبیاری مدرن، فراهم آوردن امکان بهره‌وری بهینه از منابع آبی و خاکی می‌باشد. کانال اصلی انتقال آب در این شبکه‌ها، نقش بسیار حائز اهمیتی در جهت تامین آب شبکه و کارایی آن دارد. در دهه‌های گذشته اجرای پوشش کانال‌های انتقال آب جهت جلوگیری از هدر رفت آب ناشی از نشت همواره یکی از مشکلات عمده بهره‌برداری و نگهداری این شبکه‌ها در دنیا بوده است. به‌طوری که، انجام عملیات پاکسازی، اصلاح، بازسازی و اجرای پوشش بتنی مقاطع خاکی کانال‌های اصلی انتقال آب با ظرفیت دبی بیش از 50 مترمکعب در‌ثانیه در شبکه‌های بزرگ، معمولا بیشترین سهم هزینه‌های سرمایه‌گذاری، بهره برداری و نگهداری را به‌خود اختصاص داده است. در این زمینه استفاده از تکنولوژی‌های نوین و مقرون به‌صرفه، با لحاظ نمودن اصول فنی بهینه هیدرولیکی- اقتصادی همواره مورد توجه بوده است. فناوری مورد استفاده در این پژوهش، روش انتقال جریان آب از طریق ایجاد کانال‌های موقت است. در این روش از یک دیواره تیغهای جداکننده متحرک سوار بر روی یک سازه خرپای سورتمه‌ای جهت جلوگیری از تلفات و هدر رفت آب ناشی از نشت بیش از حد‌مجاز در کانال‌های خاکی، در شرایط بدون قطع جریان آب و در جهت افزایش راندمان انتقال شبکه استفاده شد. در روش پیشنهادی شرایط فنی لازم و بهینه هیدرولیکی و اقتصادی برای انجام عملیات پوشش بتنی در مقاطع خاکی کانال اصلی انتقال آب در زمان بهره‌برداری امکان پذیر شد. | ||
| کلیدواژه‌ها | ||
| پوشش بتنی؛ سازه دیواره تیغهای جداکننده متحرک؛ سازه خرپای سورتمه‌ای. شبکه آبیاری؛ نشت | ||
| عنوان مقاله [English] | ||
| Feasibility of using new construction technologies in the modification and reconstruction of water transmission channels during exploitation (A case study of the main channel of Moghan irrigation network - Iran) | ||
| نویسندگان [English] | ||
| ayaz ghavibazou1؛ Telman Hajiyev2 | ||
| 1PhD student in civil engineering - hydraulic structures, Azerbaijan Architecture and Construction University, Baku, Azerbaijan | ||
| 2Professor, Department of Civil Engineering, Azerbaijan Architecture and Building University, Baku, Azerbaijan. | ||
| چکیده [English] | ||
| TThe operations of cleaning, modifying, reconstructing and implementing concrete coating of the soil sections of the main water transmission channels with a flow capacity of more than 50 cubic meters per second in large modern irrigation networks, urban, rural, industrial water supply, etc. usually have allocated the largest share of investment costs. By considering the optimal hydraulic-economic technical principles, the use of the most effective and new technologies to achieve the goals of efficient and cost-effective technological development to reduce the investment costs of executive and current operations of exploitation to the minimum amount, are the goals of this research. In this regard, in the current research, a movable separating blade wall (with dimensions of 3*0.2*3 m) made of polyethylene or fiberglass materials, on a sled truss structure (with dimensions of 1*0.8*6 m) was installed and assembled and sealed for a length of 100-150 m. To prevent losses and wastage of water due to excessive leakage in earthen channels and without interrupting the flow of water to increase the transmission efficiency, with the recommended method, the necessary and optimal technical hydraulic and economic conditions were provided and made possible to perform concrete coating operations in the soil sections of the main water transmission channel during its exploitation.The operations of cleaning, modifying, reconstructing and implementing concrete coating of the soil sections of the main water transmission channels with a flow capacity of more than 50 cubic meters per second in large modern irrigation networks, urban, rural, industrial water supply, etc. usually have allocated the largest share of investment costs. By considering the optimal hydraulic-economic technical principles, the use of the most effective and new technologies to achieve the goals of efficient and cost-effective technological development to reduce the investment costs of executive and current operations of exploitation to the minimum amount, are the goals of this research. In this regard, in the current research, a movable separating blade wall (with dimensions of 3*0.2*3 m) made of polyethylene or fiberglass materials, on a sled truss structure (with dimensions of 1*0.8*6 m) was installed and assembled and sealed for a length of 100-150 m. To prevent losses and wastage of water due to excessive leakage in earthen channels and without interrupting the flow of water to increase the transmission efficiency, with the recommended method, the necessary and optimal technical hydraulic and economic conditions were provided and made possible to perform concrete coating operations in the soil sections of the main water transmission channel during its exploitation.TThe operations of cleaning, modifying, reconstructing and implementing concrete coating of the soil sections of the main water transmission channels with a flow capacity of more than 50 cubic meters per second in large modern irrigation networks, urban, rural, industrial water supply, etc. usually have allocated the largest share of investment costs. By considering the optimal hydraulic-economic technical principles, the use of the most effective and new technologies to achieve the goals of efficient and cost-effective technological development to reduce the investment costs of executive and current operations of exploitation to the minimum amount, are the goals of this research. In this regard, in the current research, a movable separating blade wall (with dimensions of 3*0.2*3 m) made of polyethylene or fiberglass materials, on a sled truss structure (with dimensions of 1*0.8*6 m) was installed and assembled and sealed for a length of 100-150 m. To prevent losses and wastage of water due to excessive leakage in earthen channels and without interrupting the flow of water to increase the transmission efficiency, with the recommended method, the necessary and optimal technical hydraulic and economic conditions were provided and made possible to perform concrete coating operations in the soil sections of the main water transmission channel during its exploitation.The operations of cleaning, modifying, reconstructing and implementing concrete coating of the soil sections of the main water transmission channels with a flow capacity of more than 50 cubic meters per second in large modern irrigation networks, urban, rural, industrial water supply, etc. usually have allocated the largest share of investment costs. By considering the optimal hydraulic-economic technical principles, the use of the most effective and new technologies to achieve the goals of efficient and cost-effective technological development to reduce the investment costs of executive and current operations of exploitation to the minimum amount, are the goals of this research. In this regard, in the current research, a movable separating blade wall (with dimensions of 3*0.2*3 m) made of polyethylene or fiberglass materials, on a sled truss structure (with dimensions of 1*0.8*6 m) was installed and assembled and sealed for a length of 100-150 m. To prevent losses and wastage of water due to excessive leakage in earthen channels and without interrupting the flow of water to increase the transmission efficiency, | ||
| کلیدواژه‌ها [English] | ||
| concrete coating of the channel, leakage from the channel, coating during exploitation, movable separating blade wall structure | ||
| مراجع | ||
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