A trailer combined hanging basket structure and construction method

Abstract

The invention discloses a novel dragging-hoisting combined type hanging basket structure and a construction method. The novel dragging-hoisting combined type hanging basket structure is mainly composed of a transportation system, a hoisting system and an overhanging hanging basket system; the transportation system is installed on a poured beam section and connected with the hoisting system, and bridge deck transportation of a corrugated steel web can be achieved; the hoisting system and the overhanging hanging basket system form a whole through a transverse bearing guide beam, construction loads are transferred to hanging basket main trusses through the transverse bearing guide beam, and the hoisting and installing work of the steel web is completed through three steel wire ropes and three electric hoists installed on the transverse bearing guide beam; the overhanging hanging basket system is fixed with the poured beam section in an anchoring mode and used for bearing all the construction loads and completing the cantilever pouring construction process of a beam section which is not poured.

Description

technical field [0001] The invention relates to a long-span corrugated steel web combined continuous box girder bridge with hanging baskets for cross-river cantilever construction, steel web bridge deck hauling and hoisting technology, in particular to a new type of hanging basket structure and construction method combined with towing and hoisting . Background technique [0002] Composite box girder bridge with corrugated steel web is a new type of bridge with corrugated steel web instead of concrete web. It has many advantages such as light weight, superior mechanical properties, assembly construction, low cost, good durability, high economic benefits throughout the life cycle, low carbon and energy saving. Therefore, it is more and more widely used in the construction of long-span bridges. [0003] Traditional long-span continuous box girder bridges are generally cast symmetrically with hanging basket cantilever. Since the corrugated steel web composite continuous box g...

AI Technical Summary

Problems solved by technology

However, crane hoisting needs certain site requirements under the bridge, which cannot be applied to cross-river bridge projects; and due to the heavy weight of the corrugated steel web itself, with the increase of the crane cantilever, the hoisting stability is poor, resulting in the installation of steel webs. Difficulties, delaying the construction period, increasing the difficulty of construction and potential safety hazards

Images