The bottom of the steel frame bearing stiffened plates should be planed, and the connection of the column, you must ensure that the level of bearing stiffened plate and column flange of the bottom of the verticality and bearing stiffened plate planed

Steel frame of the bottom of the web should be planed, and connections, you must ensure that support is the gusset plate and vertical wing, and support the bottom gusset planed the level

The steel frame support reinforcement board lower extremity should dig evenly, when connects with the column, must guarantee the support reinforcement board and the column lifting surface verticality and the support reinforcement board lower extremity digs the even levelness

Steel frame bearing stiffened bottom planing, and column connection, must ensure that the bearing stiffened and verticality of column flange plate stiffened bottom planing and bearing level

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