INSTALLATION TECHNIQUE OF STEEL PIPE COLUMN EMBEDDED FOOT FOR SUPER-HIGH BUILDING

Tianjin Tower is a super-high building and steel pipe column foot is installed in two types,including anchorage bolt type and embedded type,among which the embedded steel column foot is inserted 2m into the bottom plate and has a maximum weight over 50t.During construction,steel support and temporary support are adopted to install the steel columns in batches from lower to higher and to cast concrete in several times.After practical test,it is proved that this method can effectively guarantee the installation accuracy of steel pipe column.