Concrete construction method and apparatus using "flying" truss deck forms
AssigneeM.M. Sundt Construction Company
InventorsS. Thomas Moore, Eugene N. Carlier
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Abstract
Method and apparatus for constructing buildings having multiple poured concrete floors using "flying" truss deck forms, the apparatus including shore jacks fixed to the deck supporting trusses and retractable above the bottoms of the trusses and extensible therebelow to support the deck form on the next lower floor, and including form -supporting dollies having caster-mounted floor engaging wheels and having jacks mounted thereon for supporting the trusses of the deck forms and for raising and lowering the latter and the method including a way of extending a truss beyond the outside edge of the building below the floor which it has just supported so that it can be rigged to a crane and "flown" to the next level to be poured.
Claims4
Apparatus for handling a flying deck form for construction of successive floors supported on columns in a poured concrete building, the deck form having underlying trusses extending downwardly through a vertical height which is a substantial fraction of the separation between floor levels, the apparatus comprising:
- a. a plurality of shore jacks having outer sleeve members vertically mounted in spaced relation on the trusses of the form and each ending above the bottoms of the trusses, and the jacks having slide members telescopically retractable upwardly within the sleeve members to a level above the bottoms of the trusses;
- and
- b. a plurality of dollies for supporting the deck forms and for moving them horizontally and vertically, each dolly comprising a frame having caster-mounted floor-engaging wheels;
- a dolly jack having a fixed jack member mounted vertically on the frame and having a movable jack member cooperating with said fixed member for vertical movement, and having truss-receiving means on said movable jack member for engaging the bottom of a truss;
- and means on the dolly for operating the dolly jack to raise the truss-receiving means from a downwardly retracted position in which its height above the floor plus the height of a truss is less than said separation between floor levels to an extended jack position in which the height of the truss-receiving means plus the height of a truss is at least as great as said separation between floor levels.
Dependencies are inferred from the claim text.