US851169A - Concrete reinforcement. - Google Patents

Concrete reinforcement. Download PDF

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Publication number
US851169A
US851169A US31286806A US1906312868A US851169A US 851169 A US851169 A US 851169A US 31286806 A US31286806 A US 31286806A US 1906312868 A US1906312868 A US 1906312868A US 851169 A US851169 A US 851169A
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concrete
bar
reinforcement
loops
concrete reinforcement
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US31286806A
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George Iback
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/065—Light-weight girders, e.g. with precast parts

Definitions

  • the invention is -a reinforced concrete structure designed particularly for use as a beam, girder, or arch, and the object Of the invention is to provide an improved form of metal reinforcement which will be embedded in the concrete and serve to increase the strength and rigidity thereof as well as to bind the concrete together, and thereby increase its structural strength.
  • Figure 1 is a central longitudinal section of a beam provided with the reinforcement.
  • Fig. 2 is a side elevation ofthe reinforcing bar and attachments, removed from the concrete.
  • Fig. 3 is an end elevation of the parts shown in Fig. 2.
  • Fig. 4 is a top view Of the same.
  • This reinforcement consists of a metal bar or beam 7 extending lengthwise through the concrete element and preferably located in the lower part thereof.
  • This bar is bound or tied within the concrete by means of metal loops 8, each of which is formed of a separate rod or piece.
  • the main portion or body of the loop is located above the bar, within the concrete, and the said loops, with respect to the length of the bar, are located on Opposite sides thereof alternately, and they also overlap or extend partly over or beyond each other.
  • the main part or body of the loops is bent outwardly or laterally at the top to lie beyond the vertical plane of the bar and curved to describe a compound curve when viewedfrom the top, as indicated in Fig. 4. They thus enclose or bind a greater part of the body of the concrete than if they were located in a single vertical piane, and thereby serve to prevent or resist longitudinal split Or breakage of the structure along the line ofthe beam.
  • the structure is further reinforced and strengthened by rods 12, of which there is one on each side, eX- tending longitudinally through or under the crowns of the loops.
  • a reinforcement so constructed has great strength and binding qualities in proportion to its weight of metal and it may be cheaply constructed, since the reinforcement contains no parts requiring special rolling or manufacture, the bar being preferably a plain fiat bar punched properly, and the loops and longitudinal rods being formed of ordinary round stock which can bereadily bent to proper shape.
  • Areinforcement for concrete structure comprising a metal bar with holes therein, and a series of separate overlapping loops arranged along and located alternately on opposite sides of the bar, the respective ends of each loop extending through the holes 'at different points along the bar.
  • a reinforcement for concrete structures comprising a metal bar, a series of overlapping loops along the same, On Opposite sides thereof, and extending outwardly and laterally at the top, and a rod extending lengthwise through the loops on the respective sides of the bar.

Description

No. 851.169. O PATBNTBD APR. 2s, 1907.
G. IBAGVK. CONCRETE REINPORGBMBNT.
.APPLICATION FILED APR.20. 1906.
m, m ,HMA (ff/fm. H s y WIT/v5 555; l v INVENTOR THE Nanms Eran-s ca., w4sfmvcrow, n.
GEORGE IBACK, OF DETROIT, MICHIGAN.
CONCRETE REINFORCENIENT.
Specification of Letters Patent.
latented April 23, 1907.
Application filed April 20, 1906. Serial No. 312,868.
' To 1J/Z whom it may concern:
Be it known that I, GEORGE IBAOK, a citizen of the United States, residing at Detroit, in the county of Wayne and State of Michigan, have invented new and useful Improvements in Concrete Reinforcement, of which the following is a specification.
The invention is -a reinforced concrete structure designed particularly for use as a beam, girder, or arch, and the object Of the invention is to provide an improved form of metal reinforcement which will be embedded in the concrete and serve to increase the strength and rigidity thereof as well as to bind the concrete together, and thereby increase its structural strength.
An embodiment of the invention is illustrated in the accompanying drawing, in which Figure 1 is a central longitudinal section of a beam provided with the reinforcement.
Fig. 2 is a side elevation ofthe reinforcing bar and attachments, removed from the concrete. Fig. 3 is an end elevation of the parts shown in Fig. 2. Fig. 4 is a top view Of the same.
The molded or concrete beam, girder or.
other structural element is indicated at 6, and the reinforcement is embedded therein at the time said element is molded. This reinforcement consists of a metal bar or beam 7 extending lengthwise through the concrete element and preferably located in the lower part thereof. This bar is bound or tied within the concrete by means of metal loops 8, each of which is formed of a separate rod or piece. The main portion or body of the loop is located above the bar, within the concrete, and the said loops, with respect to the length of the bar, are located on Opposite sides thereof alternately, and they also overlap or extend partly over or beyond each other. They are connected at their ends to the bar'by being bent around the lower edge thereof, as at 9, and then the ends are inserted crosswise through holes as at 10 in the bar, the ends or extremities of the rods being extended to project outwardly or laterally into the body of the concrete, as at 11. The main part or body of the loops is bent outwardly or laterally at the top to lie beyond the vertical plane of the bar and curved to describe a compound curve when viewedfrom the top, as indicated in Fig. 4. They thus enclose or bind a greater part of the body of the concrete than if they were located in a single vertical piane, and thereby serve to prevent or resist longitudinal split Or breakage of the structure along the line ofthe beam. The structure is further reinforced and strengthened by rods 12, of which there is one on each side, eX- tending longitudinally through or under the crowns of the loops.
A reinforcement so constructed has great strength and binding qualities in proportion to its weight of metal and it may be cheaply constructed, since the reinforcement contains no parts requiring special rolling or manufacture, the bar being preferably a plain fiat bar punched properly, and the loops and longitudinal rods being formed of ordinary round stock which can bereadily bent to proper shape.
I claim:
l. Areinforcement for concrete structure, comprising a metal bar with holes therein, and a series of separate overlapping loops arranged along and located alternately on opposite sides of the bar, the respective ends of each loop extending through the holes 'at different points along the bar.
2. A reinforcement for concrete structures, comprising a metal bar, a series of overlapping loops along the same, On Opposite sides thereof, and extending outwardly and laterally at the top, and a rod extending lengthwise through the loops on the respective sides of the bar.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
GEORGE IBACK.
wfitnesses: l
ELIZABETH J. PRICE, JEssrE A. GORDON.
US31286806A 1906-04-20 1906-04-20 Concrete reinforcement. Expired - Lifetime US851169A (en)

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