Analisis Kapasitas Saluran Daerah Irigasi Lubuk Buntak Kecamatan Dempo Selatan Kota Pagar Alam

Abstract

Builders in this irrigation area are a great opportunity to improve the economy of the community Lubuk Buntak. In order to improve and maintain agricultural production of food crops, the Pagar Alam City Government has until now built irrigation facilities and infrastructure both for the construction of new irrigation or rehabilitation in order to support the planned food security program. Irrigation channels located in the Lubuk Buntak irrigation area during the rainy season the water found on the irrigation canal has exceeded the capacity of the irrigation channel so that the irrigation can not work optimally, due to the high rainfall that occurs Thus the irrigation of Lubuk Buntak City Pagaralam irrigation area needs to be analyzed for the rainfall that occurs, in order to determine the ideal irrigation canal design and in accordance with the magnitude of the planned flood discharge, so that the planned irigassi channel works optimally. The purpose of this survey is about Rainfall Analysis, Calculation of planned flood discharge, Irrigation Channel Dimension, in this thesis using five Smirnov-Kolmogorov matching medotas from the calculation of the suitability of the method used is the gumbel method because the maximum difference (Dmax) -4, 70

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这个灌溉区的建筑商是改善Lubuk Buntak社区经济的绝佳机会。为了提高和维持粮食作物的农业生产，帕格尔阿拉姆市政府迄今为止已经建造了灌溉设施和基础设施，用于建设新的灌溉或修复，以支持计划中的粮食安全方案。位于Lubuk Buntak灌溉区的灌溉渠道在雨季，由于降雨量大，灌溉渠上的水已经超过了灌溉渠的容量，因此灌溉不能最佳地工作，因此需要分析Lubuk Buntak市Pagaralam灌溉区的灌溉情况。为了确定理想的灌溉渠设计并符合规划的洪流量，使规划的灌溉渠达到最优的泄洪效果。本次调查的目的是对降雨量进行分析，计算计划洪流量，灌溉渠维数，在本文中使用五个Smirnov-Kolmogorov匹配元数据进行适用性计算，所采用的方法是gumbel法，因为最大差值(Dmax) - 4,70 <临界值41%(0.41)，并分析流量，使灌溉渠保持最优的水资源，可以根据其设计利用。根据获取的参数。其次，确定灌溉渠道，计算降雨强度，确定洪水流量，最后设计该地区的渠道尺寸。研究用地面积为50 ha，利用50年回归降水强度530.76 m3 / sec，规划50年汛期1.48 m3 / sec，设计河道尺寸为(h) = 1,42 m (B) = 1.40 m， (wf) = 0.29 m， (TMA) = 1.17m

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