Unscrew the nut that connects the drain to the flange using an adjustable wrench if you are replacing the pop-up drain. Then remove the drain flange from the T-connector.

如果你想替换弹出式排水管，你可用可调式扳手拆除连接排水管和法兰的螺丝，然后从T型三通处拆掉排水法兰。

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If you can't unscrew the drain flange from the T-connector, use a reciprocating saw with a metal-cutting blade and cut the drain assembly away just above the T-connector.

如果你不能从T型三通处拆掉法兰，可用金属锯片将T型三通上方的部分锯掉。

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The concrete slab stress of the pressed flange decreases with the increment of time. But the diminished stress value decreases with the increment of the shear connector rigidity.

受压翼缘混凝土板的应力随着时间的增加而减小，但减小的幅度随剪力连接件的刚度增加而减小。

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