Hoisting technique of steel arch bridge member
The invention relates to a hoisting technique of a steel arch bridge member. The technique is performed through the steel arch bridge member, hoisting clamping apparatuses and truss lifting hooks; one side of the steel arch bridge member is selected to be hoisted; a space of the size corresponding t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a hoisting technique of a steel arch bridge member. The technique is performed through the steel arch bridge member, hoisting clamping apparatuses and truss lifting hooks; one side of the steel arch bridge member is selected to be hoisted; a space of the size corresponding to the thickness of flange plates of I-steel of the steel arch bridge is reserved on the hoisting clamping apparatuses; the two hoisting clamping apparatuses are symmetrically placed at positions of the flange plates on the same side of the I-steel of the steel arch bridge member; the hoisting clamping apparatuses are operated to clamp the flange plates of the I-steel of the steel arch bridge member; the steel arch bridge member is vertically placed; one ends of the hoisting clamping apparatus face upward vertically; the truss lifting hooks are connected with the hoisting clamping apparatuses; and a truss is operated, so that the hoisting transportation of the steel arch bridge member is realized. The steel arch bri |
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