This study investigates the comparison between precast concrete channels and rubble stone masonry channels in the development of irrigation systems in D.I Kemulan, Kemulan Village, Turen Subdistrict, Malang Regency. As an agrarian region, Kemulan heavily relies on efficient irrigation to support its main agricultural commodities such as rice, corn, and horticulture. The study evaluates the optimal dimensions, discharge capacity, cost efficiency, and construction duration of both channel types. The findings aim to offer an efficient and sustainable solution for irrigation infrastructure, enhancing agricultural productivity. The methodology includes hydrological analysis, material cost comparison, and construction planning. Results show that while precast channels offer faster construction and lower long-term maintenance, rubble stone masonry remains competitive in initial cost under certain site conditions. This research provides practical recommendations for irrigation infrastructure planning, particularly in regions with similar geographic and economic characteristics.
Nugroho et al. (Tue,) studied this question.
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