US694577A - Reinforced concrete construction. - Google Patents

Reinforced concrete construction. Download PDF

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Publication number
US694577A
US694577A US6825501A US1901068255A US694577A US 694577 A US694577 A US 694577A US 6825501 A US6825501 A US 6825501A US 1901068255 A US1901068255 A US 1901068255A US 694577 A US694577 A US 694577A
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Prior art keywords
webs
reinforced concrete
floor
concrete construction
concrete
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US6825501A
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Ernest L Ransome
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Ernest L Ransome
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ

Description

' No. 694,577. E. L. RANSUME'.
BEINFDBCED GONGRETE CUNSTRUCTION.
(Application med July 1B, 1901.
Patented Mar'. 4, |902.
(No Model.)
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UNITED STATES APATENT 'OFFICE ERNEST L. RANSOME, OFV NEW YORK, N. Y.
REINFORCED CONCRETE CONSTRUCTION.
SPECIFICATION forming part of Letters Patent No. 694,577, dated March 4, 1902.
Application le. July 13, 1901. Serial No. 68,255. (No model.)
T0 all whom t may concern,.-
Be it known that I, ERNEST LESLIE RAN- sOME, a citizen of the United States, residing in the city of New York, State of New York, have invented an Improvement in Reinforced Concrete Constructions; and I hereby declare the following to be a clear, full, and exact de-y scription of the same. i.
My invention relates to hollow reinforced concrete floors. The distinguishing feature of such iioors is the embedment in the concrete of iron tension members in one or both of the main chords of the structure in such a' manner that the iron acts as an integral part of the iloor and furnishes the chief tensional strength, 'While the concrete furnishes the chief compressive strength of the structure.
My invention consists of an improved method of making such iioors.
Hitherto it has been customary to make the structural parts of such floors in one of the three following ways: rst, entirely mono-A lithically and fm situ; second, entirely in sit-u,
but not always monolithicall y; third, in complete sections, embracing the main chords of the beam, which sections after hardening are set inplace. By my improved method I first make the webs or beams of the floor containing the main tensional chords, and do not place them until after they have hardened sufficiently to be handled and to carry their own weight. After placing them the upper chord is then built n situ and integrally bonded to the webs. When a ceiling is required, it is in like manner or in any convenient way known to the art attached to the lower part of the web.
The accompanying drawings illustrate my invention.
Figure l is a'view of a web with the main tension-barB embedded therein, C is an'auxiliary bar, and D represents a coil-joint. Fig. 2 illustrates the Webs placed on a wall or other support. Fig. 3 is a section showing the floor with a panel P of the falsework for the top of the floor yet in place. Fig. et is a crosssection through the girder, showing abeam. Fig. 5 shows the ceiling. Fig. 6 shows a detail of beam. f
My process is as follows: I iirst mold the webs A of the iioor in any convenient place after any of the well-known ways of molding necting the upper member of the floor to the v webs. Any other strengthening-pieces, in ad* dition to the aforesaid bars, that any of the y various systems of reinforced concrete may need in the web are placed therein at the time of making. Holes F are molded in the concrete at convenient places for the purpose of attaching false work, and lifting-irons Gr are also, by preference, molded into the webs for the purpose of handling the same. After these webs have set and hardened suf- .iiciently they are removed from their molds and in due time placed in their permanent site. These webs may be bedded directly upon the `Vwall, girder, or other support, provided it is of sufficient strength and stability; butin some cases of concrete construction it is best to stop the wail a little below the level of the under side of the webs and to place the Webs upon false work, as at H, and in the Vcase of a concrete girder it is best to place the beams upon the false work and then build the girder, as at Fig. 4, where L is the mold and M the girder. After placing the Webs the wall is then built up higher,inclosing the ends of the webs. The top of the floor N can be illed in when the wall reaches that level or afterward, as may be convenient.' This top is built n situ and is most thoroughly bonded to the web by means of the coil D or other connection. In the body of the concrete top may beV embedded any and all of the metal bars or like substances needed or that are generally used in reinforced concrete in this part of the floor, and a part of my invention is to pass this iron where practicable through one or more of the loops of the coil, as at O. When a lint ceiling isV required with the floor, it may bel attached thereto by any of required height or thickness, vand I connect ICO this concrete with the webs in the same manner as the top is connected by coil or other connection, and iron bars or Wire mesh may be embedded in this ceiling and connected to the coil-joint in any way desirable. Fig. 5 illustrates this ceiling.
By preference I bevel the sides of the beams at the ends for the purpose of securing a better bearing upon the wall, as shown in Fig. 6.
Having thus described my invention,\vhat I claim,and desire to secure by Letters Patent, is
l. The method of buildinga reinforced concrete ioor which consists in setting Webs of hardened reinforced concrete in position, spanning the spaces between them with false work,and molding upon the Webs and the false work the top compressive member of the floor floor and integrally uniting it to the Webs sub- 3o stantiall y as described.
ERNEST L. RANSOME.
lVi tnesses:
JOHN ELLENDT, GEORGE T. ALLEN.
US6825501A 1901-07-13 1901-07-13 Reinforced concrete construction. Expired - Lifetime US694577A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245648A (en) * 1962-02-02 1966-04-12 Johansson Rolf Gustaf Mold assemblies and casting of building structures
US3676536A (en) * 1969-01-10 1972-07-11 Shelley Systems Inc System for producing modular building blocks
US4096068A (en) * 1976-08-19 1978-06-20 Peabody Galion Corporation Cast beams for filterbed with cross flow at ends
US20090183687A1 (en) * 2006-06-28 2009-07-23 Delaval Holding Ab Annular rotary platform for a milking parlour, a mould and method for manufacturing of such a platform
US20110047928A1 (en) * 2009-08-27 2011-03-03 Eugenio Santiago Aburto Concrete rib construction system
US10239228B2 (en) * 2013-06-04 2019-03-26 Abeo ApS Method of making a building element, an apparatus for making the building element, and a building element made by the method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245648A (en) * 1962-02-02 1966-04-12 Johansson Rolf Gustaf Mold assemblies and casting of building structures
US3676536A (en) * 1969-01-10 1972-07-11 Shelley Systems Inc System for producing modular building blocks
US4096068A (en) * 1976-08-19 1978-06-20 Peabody Galion Corporation Cast beams for filterbed with cross flow at ends
US20090183687A1 (en) * 2006-06-28 2009-07-23 Delaval Holding Ab Annular rotary platform for a milking parlour, a mould and method for manufacturing of such a platform
US8051801B2 (en) * 2006-06-28 2011-11-08 Delaval Holding Ab Annular rotary platform for a milking parlour, a mould and method for manufacturing of such a platform
US20110047928A1 (en) * 2009-08-27 2011-03-03 Eugenio Santiago Aburto Concrete rib construction system
US8429876B2 (en) * 2009-08-27 2013-04-30 Eugenio Santiago Aburto Concrete rib construction method
US10239228B2 (en) * 2013-06-04 2019-03-26 Abeo ApS Method of making a building element, an apparatus for making the building element, and a building element made by the method

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