There is adverse spatial stress distribution at the end of the plug of diversion tunnel, which is to be transformed into permanent spillway tunnel.
由导流洞改建而成的永久泄洪洞，在堵头末端存在导流洞与泄洪洞交汇的不利情况。
There is adverse spatial stress distribution at the end of the plug of diversion tunnel, which is to be transformed into permanent spillway tunnel.
由导流洞改建而成的永久泄洪洞，在堵头末端存在导流洞与泄洪洞交汇的不利情况。
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