Method of and means for multi-story building construction
阅读：124发布：2023-06-08
专利汇可以提供Method of and means for multi-story building construction专利检索，专利查询，专利分析的服务。并且There is shown the preforming of walls and floor slabs as a stack wherein the walls of each story are connected to the next floor slab thereabove by lift pick-up cables spaced along the to be top edge of each wall. Lift apparatus forming no part of the building is provided for attaching lift fixtures to elements cast in the edges of the floor slabs. The lift apparatus includes pairs of columns as necessary supporting a repositionable upward bridge therebetween having lifting jacks operating lift rods connected with the floor slabs below by the removable lift fixtures. The whole stack is lifted and starting with the first floor the ceiling slab lifts the walls therebelow which swing out and are guided into position under the slab thereabove and become load bearing walls. Successive like lifts are made to position the respective ceiling slabs and load bearing walls. Suitable vertically aligned apertures are formed in the walls and slabs above for installation of reinforcing rods.，下面是Method of and means for multi-story building construction专利的具体信息内容。
1. The method of erecting single or multiple story concrete columnless buildings which comprises the steps of: forming a permanent base for a building to be erected, said base forming a first casting bed; pouring a first set of load supporting, downwardly swingable wall panels in a generally horizontal position on said first casting bed; filling any voids in or between said wall panels to provide a second casting bed; pouring a first floor slab in horizontal position on said second casting bed; securing lift attaching members to the periphery of said first floor slab; attaching said first set of wall panels to said first floor slab by securing spaced apart, flexible pick-up cables across a pivot line between each said wall panel and said floor slab; pouring alternating additional sets of wall panels and floor slabs one above the other in layers with each layer utilizing the preceding layer as a casting bed, securing lift attaching members to each of said floor slabs and attaching each set of wall panels to its corresponding floor slab to form a stack of said wall panels and floor slabs corresponding to the stories of the building; erecting pairs of spaced columns exteriorly of said base and adjacent said lift attaching members, said columns being slightly greater in height than the height of the erected building; movably supporting a bridge member between each said pair of columns, each of said bridge members extending over said stack of wall panels and floor slabs and carrying lift means adjacent each column; attaching lift fixtures to said lift attaching members on said floor slabs; connecting said lift fixtures to said lift means; actuating said lift means to raise said stack whereby each of the wall panels in said first set of wall panels swing downwardly on said pick-up cables about said pivot lines to a vertical, load supporting position; lowering said stack to support said first floor slab and said stack on said downwardly swung walls; disconnecting said lift fixtures from the lift attaching members on said first floor slab, disengaging said lift means, and raising said bridges on said columns the height of an additional story; engaging said lift means with said lift fixtures, and repetitively and alternately raising said stack to allow succeeding sets of wall panels to swing into position, and raising said bridges and lift means to peel out successive layers of said wall panels and floor slabs to erect each additional story of said building; and dismantling and removing said bridge members and columns after said building has been erected.
2. In the method of claim 1 the further step of connecting stabilizing means between each said column and each floor slab once the floor slab has been positioned atop a corresponding set of downwardly swung wall panels, said stabilization providing short effective working length columns during said lifting.
3. In the method of claim 1 the further steps of providing aligned vertical apertures in each of said wall panels and corresponding apertures in said floor slabs, and inserting and grouting reinforcing bars in said apertures once said building is erected.
4. The method of claim 1 wherein the step of attaching said lift fixtures to said lift attaching members includes the step of interconnecting said lift fixtures to one another with slight vertical freedom so that as said stack is initially lifted said lift fixtures cause each said set of wall panels and floor slabs to separate slightly while still at ground level, whereby the connections of all of said wall panels to said floor slabs and the connection of all of said floor slabs to said lift means may be checked prior to further lifting of said stack.
5. In the method of claim 4, the further step of inserting vertically disposed multiple wedge means between said floor slabs after said initial lifting to prevent said wall panels and said floor slabs from returning to their cast position upon said disengagement of said lift means from said lift fixtures.
6. In the method of claim 1 wherein the steps of attaching said wall panels to their corresponding floor slabs comprises securing diverging double-stranded pick-up cables between the wall panels and the floor slabs, said strands converging at the pivot lines so that the weight of each wall panel is transferred from one to the other strand of each of its pick-up cables as the wall panels swing toward the vertical, said cables permitting said panels to spaul along said pivot lines to compensate for slight pivot line misalignment or for slab deflection.
7. The method of erecting single or multiple story concrete columnless buildings which comprises the steps of: forming in situ a permanent first floor slab for a building to be erected, said first floor slab forming a first casting bed; pouring a first set of load supporting, downwardly swingable wall panels in a generally horizontal position on said first casting bed and embedding portions of spaced apart flexible pick-up cables across the periphery pivot line of said first set of wall panels, said wall panels representing substantial portions of at least two pairs of walls approximately at right angles to each other; filling any voids in or between said wall panels to provide a second casting bed; pouring a second floor slab in horizontal position on said second casting bed, completing the attachment of said first set of wall panels to said second floor slab by securing said flexible pick-up cables across said pivot line between each said wall panel and said second floor slab; pouring alternating additional sets of wall panels and floor slabs one above the other in layers with each layer utilizing the preceding layer as a casting bed, each said set of wall panels being attached to its corresponding above floor slab to form a stack of said wall panels and floor slabs corresponding to the stories of building; allowing the concrete to cure to acceptable strength; securing lift attaching members to the periphery of an uppermost one of said floor slabs and to each said floor slabs in sequence; erecting pairs of spaced columns exteriorly positioned to said first floor slab and adjacent said lift attaching members, said columns being slightly greater in height than the height of the erected building; supporting one floor height above the poured stack a movable bridge member between each said pair of columns, each of said bridge members extending over said stack of wall panels and floor slabs and carrying lift means adjacent to each column; attaching lift fixtures to said lift attaching members; connecting said lift fixtures to said lift means; actuating said lift means to raise said stack whEreby each of said two pairs of wall panels at approximately right angles to each other in said first set of wall panels swing downwardly on said pick-up cable about said pivot lines to a near vertical position; plumbing the nearly vertical walls by laterally positioning the bottoms of said walls into a load supporting laterally stable structure; lowering said stack to support said second floor slab and said above stack on said downwardly swung plumbed walls; disconnecting said second floor slab lift fixtures from the above lift fixtures, disengaging said lift means, and raising and securing said bridges on said columns the height of an additional story; engaging said lift means with said remaining lift attaching members, and repetitively and alternately raising said stack to allow succeeding sets of wall panels to swing into near vertical position, plumbing said wall panels and securing said bridges and lift means to erect each additional story of said building; and dismanteling and removing said bridge members and columns after said building has been erected.
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