Static experimental study and finite element analysis with contact nonlinearity has been carried out for a new type stone curtain wall with back channels.

Setting up the support system for open class teaching management, including evaluation and motivation organism, feeding back channels, relevant technical support and regular evaluation.

If another surge of water pushes oil further into back channels as expected, it could be a potential threat to fisheries, said Bruce Farling, executive director of Trout Unlimited's Montana chapter.