CAJ | 학술논문

引黄灌区水沙资源配置关键技术包括灌区减沙沉沙技术、引水分沙技术、渠道输水输沙技术等。通过引黄灌区引沙和沉沙资料的分析，总结了灌区减沙技术和有害泥沙拦沉技术，减沙主要是通过控制引水含沙量或减少引水量来实现，有害泥沙的拦沉主要是利用渠道拦沙设施和沉沙池拦截和沉积有害的粗颗粒泥沙。结合渠道输水输沙能力，分析了提高灌渠输沙能力的工程措施和非工程措施，工程措施包括加大渠道比降、渠道衬砌、改造阻水建筑物、优化断面等，非工程措施主要是指水沙调控技术。通过分析渠道引水分沙特征，进一步探讨了引黄灌区自流灌溉和提水灌溉的特点，指出自流灌溉的支渠引水含沙量略低于或等于干渠含水量；若提水泵站进口合理布置在平均含沙量水深以下，将会有利于渠道减淤。
인황관구수사자원배치관건기술포괄관구감사침사기술、인수분사기술、거도수수수사기술등。통과인황관구인사화침사자료적분석，총결료관구감사기술화유해니사란침기술，감사주요시통과공제인수함사량혹감소인수량래실현，유해니사적란침주요시이용거도란사설시화침사지란절화침적유해적조과립니사。결합거도수수수사능력，분석료제고관거수사능력적공정조시화비공정조시，공정조시포괄가대거도비강、거도츤체、개조조수건축물、우화단면등，비공정조시주요시지수사조공기술。통과분석거도인수분사특정，진일보탐토료인황관구자류관개화제수관개적특점，지출자류관개적지거인수함사량략저우혹등우간거함수량；약제수빙참진구합리포치재평균함사량수심이하，장회유리우거도감어。
The main techniques of water and sediment resources allocation in irrigation system of the Lower Yellow River were summarized, which includes the sediment reduction and sediment sinking technique, water and sediment transport technique, water and sediment diversion teehniqueetc. The sediment reduction and harmful sediment control are stated based on the harmful sediment concept in the irrigation system, of which the former will be realized on controlling diversion sediment concentration or water diversion reduction, and the latter will become true based on the harmful sediment interception and settlement. The structural and non-structural measures for enhancing the sediment transport capacity of the canal are summed through analysis, of which the former includes the slope increase, canal liner, improvement of the flow block bridges and optical cross-section, and the latter consists mainly of water and sediment controlling techniques. The water and sediment diversion characteristics of the gravity irrigation and pumping irrigation were analyzed in theory. When the diversion sediment concentration by gravity in branch canal is less than that in trunk canal, the trunk canal will be in status of deposition increase. When the pumping station and its inlet are arranged suitably, it is good at deposition decrease in the trunk canal.