Experimental Construction of Concrete Irrigation Ditches in Deep-water/Floating Rice Areas in Thailand

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概要

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• The conventional trapezoidal-shaped concrete-lined ditch (trapezoidal ditch) has been used for tertiary irrigation canals (irrigation ditches) in Thailand. The Modernization of Water Management System Project in Thailand (MWMS Project) introduced the U-shaped reinforced-concrete flume manufactured on the assembly line (U-shaped flume) into Thailand for the first time as an irrigation ditch. Advantages and disadvantages of the two types of concrete ditches are compared. Thus far, only dirt ditches have been constructed in deep-water rice areas and floating rice areas; therefore, experimental construction of concrete irrigation ditches, which are submerged under water for a long period in the latter half of the rainy season, were conducted for testing of suitable type and construction method. The results indicate problem-free construction of both types of concrete ditches using normal construction methods.

• 日本雨水資源化システム学会の論文

著者

• Itagaki Hiroshi

  Faculty Of Agriculture Gifu University

• Shioda Katsuro

  Modernization of Water Management System Project in Thailand, Royal Irrigation Department

• Wiwattanapan Junrat

  Regional Irrigation Office 10

• Shioda Katsuro

  Modernization Of Water Management System Project In Thailand Royal Irrigation Department

• Itagaki Hiroshi

  Faculty of Applied Biological Science, Gifu University

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