US529724A - golding - Google Patents

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US529724A
US529724A US529724DA US529724A US 529724 A US529724 A US 529724A US 529724D A US529724D A US 529724DA US 529724 A US529724 A US 529724A
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arches
concrete
spans
beams
metal
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/23Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/29Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal

Description

(No Mode-1J 2 Sheets-Sheet 1.
J,.'I. GOLDING. CONSTRUCTION OP FLOORS AND OBILINOS.
N0. 529,724. Patented Nov. 27, 1894:.
lJ. F. GOLDING. CONSTRUCTION OP FLOORS AND OBILINOS.
No. 529,224.; Patented Nov. 27, 1894.
|||"Il"lIl"Ul"lllllllllllllllllll lllllllllllnnum/ UNITED STATES PATENT OFFICE.
JOHN F. GOLDIN G, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE STANDARD FIRE PROOFING COMPANY, OF SAME PLACE.
CONSTRUCTION OF FLOORS AND CEILINGS.
SPECIFICATION forming part of Letters Patent No. 529,724, dated November 27, 1894.
Application filed July 3, 1893. Renewed April 27; 1894- SrH'1N0-5091204- (NO model-l fo all whom it may concern,..-
Be it known that I, JOHN F. GOLDING, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in the Construction of Floors and Ceilings, of which the following is a specication.
This invention relates to a new and improved construction of tire proof floors and ceilings which may be used as substitutes for the hollow tile and solid concrete lled structures supported between iron girders now, generally used, and it also relates to the art of building the same.
' The structure produced by my invention is lighter and stronger than the old construction.
My improved concrete floor or ceiling consists of a series of arches, formed of concrete and strengthened by metal, supports for the ends of said arches, and concrete spans connecting the arches, the series of arches and spans being also bound together by continuous sheets of open work metal laid across them. y
In laying the floor I first take bars of metal, preferably of the kind known as channel iron, and bend them to the curvature required for the under surface of the arches, and then place such bars in position with their anges standing upward and their ends resting upon I beams or girders, or upon the walls of the building. I then secure at each side of these arched bars wood planking set edgewise and inclosing the space above the bars and extending upward nearly to a plane corresponding to theplane desired for the under surface of the spans covering the interspaces. 'lhe ends of this side planking may be supported upon the same gin-ders or walls which support the arch beams.d A trough-like space is thus inclosed by the arch bar and the side planking, adapted to hold the concrete. The area of the interspaces is next iioored over with a temporary door of centering boards at the .proper level for the under surface of the connecting spans. This temporary iioor may be supported in any suitable way, but I preferl to supportit upon the upper edges ofthe side' planking used to confine the concrete in the arches. When this temporary door is in place 1 preferably place over the whole area of the flooror ceiling continuoussheets of expanded or equivalent open work metal having meshes large enough to permitthe passage through them of the soft concrete.y I next cover the entire structure with concrete, taking pains to fill the troughs formed by the arch bars and the side planking, solidly full therewith and to place over the temporary floors of the interspaces a sufficient thickness to give the interspace spans the requisite strength. The concre'tethus forms an integral and homogene ous mass, uniting the arches and conferring their strength upon the lighter portions between them. The web of open Work metalis laid with its sheets extending across the several arches and spans, and enough of them are .employed to cover over the entire area of both arches and interspaces, so that it may not only possess great tensile strength but also be firmly anchored in the material of the arches, and thus be enabled to yimpart great resistance and supporting power to the connecting spans, wherein a comparatively limited amount of concrete is used. Thevfalse floor and side plan king ofthe arches support the concrete until it is sufficiently hardened, whenv they are removed.
The nature of the structure as wellas the method of constructing it are more fully set forth below and illustrated in the accompanying drawings, wherein- Figure l is a vertical section of a portion o'f a floor embodying my invention, and showing one of the supporting` arches in longitudinal elevation. Fig. 2 is a section thereof at right angles to that given in Fig. 1. Fig. 3 is a vertical section showing the temporary floor for the spans and the temporarysides for the arches used in constructing the floor or c eiling. Fig. 4 isa perspective of a section of the floor in process of. construction, showing the metal parts and the temporary planking for supporting the concrete. Fig. 5 shows the metallic connections for supporting the under surface or ceiling employed where itis de-` sirable to give the ceiling a uniform dat surface. Fig. 6 is a detail of one of the parts shown in Fig. 5, and Fig. 7 is a perspective of a modified construction.
In the drawings A represents I beams forming part of the framing of a ioor or ceiling,
LAl
and serving in this instance as girders to support the arches hereinafter described.
B B represent metal bars, preferably of channel iron, having their ends supported upon the flanges of the beams A, as plainly illustrated. The bars are bent to the curvature desired in the arch, of which they form a part, and they are preferably positioned with their fianges b standing upward. After these arch bars have been positioned on the girders, planks C are placed along each side of each bar so as to inclose it, the planks standing on edge and also resting preferably at their ends upon the flanges of the I beams. False or temporary iloors of centering boards D are now positioned between each arch and its neighbor arch or arches, these centering boards resting at each end upon the tempo rary sides C. I next lay preferably over both the arches and the covering interspace spans, a web of open work metal E, consisting of continuous sheets and having meshes suflciently open to permit the ready passage through it of the concrete. The sheets are laid across the several arches and intervening spans so as to tie them together. This structure being in readiness, the concrete is next applied and forced through the meshes of the open metal until the spaces above the arch beams and between the side boards are entirely filled therewith, and also until the entire area of both arches and interspaces is built up to a sufficient thickness to give the interspans the necessary strength. The concrete portion of the arches thus formed, is indicated at F in the drawings, and the concrete covering of the spans between the arches is indicated at G. When the concrete has been applied in this manner and has set, the side planks and centering boards may be removed by first tipping the boardsCover onto their sides.
The arches B F may be employed in such number as is requisite to give the door very great solidity and strength, and the connecting spans may be as light as the burdens likely to be placedupon them will permit.
Where it is desired that the ceiling should present a at surface, a false covering or ceiling may be applied below the structure already described by extending across the structure and under the girders a series of rods H adapted to sustain said false ceiling. These rods are each made in two or more parts connected by the turn buckle h, and they are secured to the girders by wire clips J, one of which is shown at Fig. 6, each having eyes i to receive the rods H, and being bent over at the ends j so as to clamp the flanges of the I beams. At theirv ends the rods H are hooked around the eyes t', as shown at h', Fig. 5. The sagging of the rods H is overcome by attaching them to a bar K running across the series of rods and sustained by hangers L, which are provided with nuts at their upper ends,
and have such ends passed through the center of the arched bars, as plainly indicated in the drawings. The rods are clipped to the bar K by wire fastenings k. The metal lathing M being attached to the rods H, a coating of plaster is applied in the usual manner.
Where the framing of the floor is of metal,` the I beams will ordinarily be properly braced, so that any tendency by the the floor to spread and thus'crowd the beams out of position will be eectually resisted. It may be essential however at times to tie the supports of the arches together in order to overcome the spreading strain, and one such construction is shown in the modification at Fig. 7, the arches being supported in this instance upon brick walls, and angle iron abutments O being employed upon which rest the ends of the arches. The abutments are suitably bolted together by bolts o, so that a chord is formed adapted to prevent 4any spreading. -The under surfacingceiling may also be employed with this structure, and the rods H thereof lare indicated in the figures.
I claiml. The floor or ceiling composed of the supporting beams A, a series of narrow arches each consisting of a curved metal beam resting at its ends upon the flanges of beams A, and a superimposed body of concrete, concrete spans connecting the arches and covering the spaces between them, and a binding web of open work metal consisting of continuous sheets extending across the series of arches and embedded in the concrete of the roo arches and spans, substantially as specified.
2. The floor or ceiling composed of the supporting beams A, a series of narrow arches each consisting of a curved channel iron resting at its ends upon the flanges of beams A, 105 and a superimposed body of concrete, concrete spans connecting the arches and covering the spaces between them, and a binding web of open work metal consisting of continuous sheets extending across the series of 11o arches and embedded in the concrete of the arches and spans substantially as specified.
3. Theimprovementin the method ot' building the concrete doors and ceilings herein described, consisting in rst positioning bent x15 metal bars adapted to form the under portions of the arches in the completed structure, then temporarily inclosing the arches by means of side planking set edgewise, then temporarily flooring the intervening spaces zzo by centering boards supported upon the top edges of said arch inclosing planking, and then completing the structure by laying the binding sheets of open work metal across the arches and spans and filling in the concrete, x25 substantially as specified.
JOHN F. GOLDING.
Witnesses:
H. M. MUNDAY, EDW. S. EVARTs.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511348A (en) * 1990-02-14 1996-04-30 Steelcase Inc. Furniture system
US6134844A (en) * 1990-02-14 2000-10-24 Steelcase Inc. Method and apparatus for displaying information
US6170200B1 (en) 1990-02-14 2001-01-09 Steelcase Development Inc. Furniture system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511348A (en) * 1990-02-14 1996-04-30 Steelcase Inc. Furniture system
US5724778A (en) * 1990-02-14 1998-03-10 Steelcase Inc. Furniture system
US6134844A (en) * 1990-02-14 2000-10-24 Steelcase Inc. Method and apparatus for displaying information
US6170200B1 (en) 1990-02-14 2001-01-09 Steelcase Development Inc. Furniture system
US6629386B1 (en) 1990-02-14 2003-10-07 Steelcase Development Corporation Furniture system
US6922949B2 (en) 1990-02-14 2005-08-02 Steelcase Development Corporation Furniture system

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