本文選題：湖岸 + 波浪侵蝕��； 參考：《武漢大學(xué)學(xué)報(工學(xué)版)》2017年04期

【摘要】：對東港湖水文氣象資料進(jìn)行調(diào)查,取湖泊岸坡土樣進(jìn)行土工試驗,并對香根草進(jìn)行根系調(diào)查,在此基礎(chǔ)上運用抗沖蝕經(jīng)驗公式分別計算出裸岸及3種香根草種植方案條件下湖岸的侵蝕速率.研究結(jié)果表明,風(fēng)浪對東港湖裸土岸坡的沖蝕速率為6.72 mm/h.不同香根草護(hù)岸方案下湖岸侵蝕速率較之于裸土岸坡減少69.18%~92.36%,根土面積比越大,風(fēng)浪對岸坡的沖蝕速率越小,合理的香根草護(hù)岸能夠有效地抵抗波浪對湖岸的侵蝕.
[Abstract]:The hydrometeorological data of Donggang Lake were investigated, the soil samples from the slope of the lake were tested, and the root system of Vetiver was investigated.On the basis of this, the erosion rate of the lake bank under the condition of bare bank and three kinds of Vetiver planting schemes were calculated by using the empirical formula of erosion resistance.The results show that the erosion rate of the bare soil slope of Donggang Lake is 6.72 mm / h.Compared with bare soil slope, the erosion rate of lake bank is reduced by 69.18% and 92.36% under different vetiver revetment schemes. The larger the ratio of root to soil area is, the smaller the erosion rate of wind wave is to bank slope, and the reasonable revetment of vetiver grass can effectively resist the erosion of lake shore caused by wave.
【作者單位】： 武漢大學(xué)水資源與水電工程科學(xué)國家重點實驗室;
【分類號】：TV139.2
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本文編號：1734975