长江中下游阻隔性河段作用机理

由星莹, 唐金武, 张小峰, 杨云平, 翁朝晖, 孙昭华

Mechanism of barrier river reaches in the middle and lower reaches of the Yangtze River

Xingying YOU, Jinwu TANG, Xiaofeng ZHANG, Yunping YANG, Zhaohui WENG, Zhaohua SUN

表2 牯牛沙河段公式计算结果与实测值对比表

Tab. 2 The comparison of the formula results with the measured values in the Guniusha Reach

	弯曲半径计算公式(m)	流量(m3/s)
	弯曲半径计算公式(m)	1# Q=10750	1# Q=31220	2# Q=10750	2# Q=31220	2'# Q=10750	2'# Q=31220
实测值		2530	2900	2820	3940	3090	3750
欧阳履泰^[7]	$\begin{matrix} R_{0} = 48.1 {(Q J^{\frac{1}{2}})}^{0.83} \end{matrix}$	2390	3771	2390	3771	2390	3771
张敬笃^[23]	$\begin{matrix} R_{0} = 0.26 R_{*}^{0.73} {(\sqrt[]{B} / h)}^{0.73} {(Q h^{\frac{2}{3}} J^{\frac{1}{2}})}^{0.23} \end{matrix}$	851	890	1549	1919	1814	2246
张植堂^[24]	$\begin{matrix} R_{0} = {[\frac{{(\frac{R_{*} Q}{A})}^{2}}{(φJg)}]}^{\frac{1}{3}} \end{matrix}$	2204	3597	2056	3531	2163	3446
本研究	式（9）	2498	2976	2782	3997	3133	3771