【摘要】：為了分析長(zhǎng)江干流武漢至安慶河段建設(shè)"黃金水道"的可行性,采用資料分析、數(shù)學(xué)模型計(jì)算等手段,研究了長(zhǎng)江上游溪洛渡、向家壩、三峽等11座水庫(kù)聯(lián)合運(yùn)用后,該河段河道沖淤演變與航道條件變化趨勢(shì)。研究成果表明,上游建庫(kù)后,該河段總體河勢(shì)仍將保持基本穩(wěn)定,但局部河段可能會(huì)發(fā)生調(diào)整;上游建庫(kù)對(duì)航道條件的影響總體上利大于弊,有利方面為枯水期的補(bǔ)水和航槽的沖刷,不利方面包括心灘和邊灘沖刷可能引起的航槽不穩(wěn)、礙航淺灘在蓄水期沖刷不充分、局部河段河勢(shì)調(diào)整等變化。
[Abstract]:In order to analyze the feasibility of constructing "golden waterway" in the reach of Wuhan to Anqing along the Yangtze River, the combined use of 11 reservoirs such as Xiluodu, Xiangjiaba and three Gorges in the upper reaches of the Yangtze River has been studied by means of data analysis and mathematical model calculation. The evolution of scour and siltation and the changing trend of channel condition in this reach. The results show that after the upstream reservoir is built, the overall river regime of the reach will remain basically stable, but the local reach may be adjusted. The effects of upstream reservoir construction on channel conditions are generally more beneficial than disadvantages, and the favorable aspects are the replenishment of water during dry season and the scouring of channels. The disadvantages include the instability of channels caused by erosion of the heart beach and the beach, and the insufficient scouring of the shoals during the impounding period. Local river regime adjustment and other changes.
【作者單位】： 長(zhǎng)江科學(xué)院河流所;
【基金】：國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目(51339001) “十二五”國(guó)家科技支撐計(jì)劃課題(2013BAB12B02)
【分類號(hào)】：U61;TV147

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