U-steel is embedded in advance for the inner form as the bracket support.
内模预埋U形钢筋，作为内模支撑的支架；
2
Effects of column stiffeners, bolt arrangement, bolt number, U-steel width and U-steel extended length are studied.
研究了柱加劲肋、螺栓排列、螺栓数目、槽钢宽度和槽钢下伸长度等的影响。
3
Whether an u-steel yielding support could yield depend on the pre-screw forces of the camps and the internal forces of both ends at the u-steel overlap parts.