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題 名 | 擴充灌溉渠道容量可行性方案之研究 |
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作 者 | 甘俊二; 莊日鴻; | 書刊名 | 農業工程學報 |
卷 期 | 32:4 1986.12[民75.12] |
頁 次 | 頁22-33 |
分類號 | 443.52 |
關鍵詞 | 容量; 灌溉渠道; |
語 文 | 中文(Chinese) |
中文摘要 | 灌溉渠道有如人體之血管,負有輸水之責任,在農田水利灌溉方面扮演重要的角色。目前臺灣因農業生產結構改訬,稻田整田型態改變,整田期縮短,尖峰用水量提高,加上輸水標的增多,致使渠道容量不足,維護管理困難,實有加以改善之必要。 本文對本省舊有灌溉渠道所面臨之問題,提出改善方法,其主要構想為: 1.擴充灌溉渠道容量。 2.不擴佔水路用地。 3.不斷水施工或斷水施工期短。 4.改善後之渠道維持原有水頭。 在上述四項前提下,本文所據之渠道改善方法及特色為: 一、隔水布法: 1.成品施工,簡便快速。 2.施工斷水期短。 3.改善後渠道完全防漏。 二、板樁法: 1.成品施工,簡便快速。 2.有效擴充渠道容量。 三、不斷水法: 1.不斷水施工。 2.改善後之倒E型渠道斷面,可以不斷水維護修補。 四、管路法: 1.節省灌溉水資源。 2.節省灌溉輸水路用及增加土地利用面積。 3.減少灌溉管理人力。 本文另以嘉南大圳幹線為例,模擬改善方案,引證本研究之可行性。 |
英文摘要 | The irrigation canals which working as human’s blood vessel take a important role in irrigation engineering. At present, the part of old irrigation canal systems in Taiwan faced several problems to be solved. They are: 1. The canal capacity are not enough due to land preparation period of paddy rice field have been shortened because of mechanized agriculture and more some canals are deteriorated caused big conveyance loses. 2. Some canal systems become multipurpose are for irrigation and water supply for domestic and industry. This paper present improvement methods for Taiwan old canal systems, the main purpose and consideration of the improvement include: 1. Extension of canal capacity 2. Do not increase the land use for canal 3. No plugging in construction period for conveyance 4. Keep water head after improved Following above purpose and consideration, the improvement methods and their advantages are: 1. Sheet Method: (1) easy and quick construction with precasted material (2) construction period is very short (3) complete waterproof after improvement 2. Pile Method (1) easy and quick construction with precasted material (2) easy extension of canal capacity 3. No Cut-Off Water Method (1) no plugging conveyance under construction (2) after improvement which inverse “E” canal section can be maintained and repaired under no plugging conveyance 4. Pipe-Line Method (1) saving irrigation water resource (2) saving land use of canal and increase land use for farming (3) reduce man power for irrigation management This improvement method have been simulated to the Chia-Nan irrigation canal systems for reference. |
本系統中英文摘要資訊取自各篇刊載內容。