US1911626A - larzelere - Google Patents

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US1911626A
US1911626A US1911626DA US1911626A US 1911626 A US1911626 A US 1911626A US 1911626D A US1911626D A US 1911626DA US 1911626 A US1911626 A US 1911626A
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slabs
concrete
slab
wall
reenforcing
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/161Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, both being partially cast in situ
    • 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
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8635Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms

Description

5 Sheets-Sheet l @WZE Zara H. G. LARZELERE REENFORCED CONCRETE CONSTRUCTION Filed Mafoh 1, 1930 May 30, 1933.

. UNR

May 30, 1933- H. e. LARZELERE REENFORCED CQNGRETE CONSTRUCTION 3 Sheets-Sheet Fi led March 1, 1930 I KQR gwwmtoz Gimme Zara Fatentecl May 30, 1933 mm oFFicE G. LAEZELERE, OF ORLANEO, FLOR-IDA REENFORGED CONCRETE CONSTBUCTTON Application filed March 1, 1930. Serial. No. 432,488.

building concrete structures which consists in" the use of pre-formed concrete slabs throughly set and hardened, which may be set up or put in place and which then act as a' mold and as part of the wall, floor, pier, or other structure, and a further object. in this connection is to provide means whereby'the slabs which constitute in effect the mold and also part of the completed structure may be tied to the concrete which is poured or tamped into the mold formed by theseslabs so as: to

tie all parts of the structure thoroughly -together and form perfectly a monolithic struc ture.

Other objects will appear in the course of the following description.

My invention is illustrated in" the accompanying drawings, wherein Figure 1 is an inside elevation of a form u for concrete walls before the concrete has been poured;

Figure 2 is a horizontal section through a wall constructed in accordance with my invention; Figure 3 is a vertical section through a column constructed in accordance with my invention;

Figure 4 is a horizontal section through such a column;

Figure 5 is a detailed sectional View through one of the structural elements and its tie;

Figure 6 is a top plan view of a floor;

Figure 7 is a sectional view through the floor shown in Figure 6; I

Figure 8 is a sectional view through a'beam supporting the floor;

Figure 9 is tion through a wall showing a thrust tie in 53 use where the structure is be a fragmentary transverse sec-" Figure 10 is a perspective view showing the. manner of connecting the tle bars.

In FigureQ, Ishow one embod1ment of my invention, that 1s, one

form in which the invention maybe practiced which consists in the use of pro-formed vertically elongated slabs 10,'these slabs being formed of concrete either at the place where the building is being erected or the slabs may be preformed in the shop. These slabs are thoroughly dried and hardened before being used. These slabs in order to form a wall are set up onrend in parallel relation to each other and inabutting relation and then concrete 11 ispoured or tam'ped betweenthe slabs so as to form the completed wall, these slabs 10 constituting in efiect the lateral walls of a form within which the concrete core llis designed. to be poured. Each slab may have any desired vertical length and each of these slabs up on its inside face is preferably formed with a longitudi nally extending. recess 12 which may have any desired length, but whi'chis illustrated as terminating short of the ends of theslabs. If the slab is long, there may be two ormore 5 series of these recesses 12. V

' Extending vertically through each slab are a plurality of reenforcing bars 13' and extending transversely through each slab are a plurality of horizontal reenforcing bars 14 30 which are disposed against the reenforcing bars 13and may be tied thereto. The bars lat are outwardly bowed at 15, each at its middle so as to project outward into the corresponding recess 12. The side faces of each slab 10 extend, broadly speaking, outward and longitudinally at an angle to a transverse face of the slab and preferably this beveled face lfiis so formed as to provide an overhanging lip 17 adjacent the inner face of the slab and the'inner end of the beveled portion'16, Thus when the concrete 11 is poured in to fill the spacebetween the "outer and in ner walls formed of the slabs' lO, this con crete will fill the spaces between the faces 16 and will fill the under-cut portions behind the lip 17 so as to efiectually'tie the slabs to the concretec'ore- 11. The longitudinal rods l l'project out past the faces 16 and these rods are preferably connected to each other by shown in Figure 2, which means of a spring ferrule shown in and designated 19. This ferrule is, of course, embedded in the concrete core as are the projecting ends of the tie rods. The outwardly bowed or looped portions of the tie rods 14 are connected by transversely extending thrust wall ties 20, one of which is shown in Figure 9, these being so formed as to engage around the loops or outwardly bowed F igure portlons 15 of the transverse tie rods and preferably so formed as to bear at their ends against the inner faces of the confronting slabs so as to hold these slabs in spaced relation to each other.

This is secured by extending the wall tie outward beyond the longitudinal tie 14, then bending the wall tie inward and downward so as 'to engage'against the bowed por tion 15 of the tie rods 14. The downwardl extending ends of thethrust wall tie 20 being embedded in the concrete within the forms act to prevent any turning movement of the'thrust wall tie. These wall ties hold theslabs in proper spaced relation to each other, preventing any inward movement of the slabsand any outward movement due to the pressure of the concrete as it is poured in.

At the corners of the building, a special relatively narrow slab 10 may be used, as

proximately heart-shaped recess 18 at the exterior corner of the building and an obtusely angled undercut recess 18 into which recesses the tie rods 14 on the two walls of the building will project, these permitting the tie rods to be tied together or engaged with each other in any suitable manner and then these recessesfilled with concrete as will be obvious from Figure 2.

After one tier or course of slabs 10 have been disposed to form the outside elements of the wall and after the concrete has. been poured in or tamped into the space between. these two mould walls, as they may be termed, then if a very high wall is desired a second course or tier of slabs may be erected upon the first tier and a second load of concrete poured in and so on until the walls have been completed. It is obvious that these outer slabs 10 may be so formed as to provide for window and door openings and for any ornamental finish upon the exterior of the building or ornamental elements such as beading, cornices, ornamental lintles or jambs, etc.

Figures 3 and 4 show how slabs 10 of the same construction as slabs 10 may be used to form a pier or column. In this case, however, one of the slabs is pre-formed with an opening 20 to permit the last tie to be put in place after the slabs have been set up to define the pier. This opening'is to be filled with concrete and then concrete poured into the interior of the mold formed by the slabs. In Figure 8, I have illustrated a concrete floor beam. Three'of the slabs 10 are-diswill form an ap-I the recesses 12 tinuous reenforcing bars are 7 posed with two of the slabs in parallel spaced relation to the third slab and at right angles thereto forming the sides and bottom of the beam. Each lateral slab is provided with tie bars 14 outwardly bowed at 15 to receive the ties 20. Each slab has reenforcing mem bers 13. The lowermost slab, which constitutes the bottom of the beam is provided with transverse reenforcing bars 14 projecting beyond the recessed ends of the slab and engaged with rods 14 of the lateral slabs. These three slabs when combined constitute a mold within which the concrete core 11 may be poured. Reenforcing bars 21 will be disposed below the neutral axis of the beam. A floor which may be formed in any suitable manner is disposed upon this beam. Preferably, the floor is formed as shown in Figures 6, 7 and 8 of slabs 10 disposed in alinement with their beveled faces upward.

eenforcing bars 14 are connected to each other by spring clips 19 as previously described.

Preferably, the beam shown in Figure 8 will be filled with concrete 23 filled into the beam through openings such as the openings 25 in the floor slabs as shown in Figure 6, thus bonding the floor slabs fully to the beam and providing means whereby the beam may be filled with concrete.

. The reenforcing rods 14, Figure 6, are not outwardly bowed as are the reenforcing rods in Figures 2 and 4 but extend straight across and continuous reenforcing bars 22 are disposed transversely across the floor in these recesses andresting upon or tied to the transverse reenforcing bars. In thev space between two slabs, a pair of condisposed designated 2*. Instead of usmg a spring ferrule 19 for the purpose of connecting the transverse bars 14at their joints, I may weld the bars together at their joints. In either case, the space between the beveled ends of adjacent slabs is filled with concrete 24. These slabs are preferably formed as shown in Figure 6 with openings 25 extending downward through each slab which openings will be disposed in alinement tween the two lines of the slabs 10 of the wall so that concrete may be poured through these openings to interlock with the core of the wall so'asto form a wall bond or to bond with the concrete beam formed as shown in Figure 8.

- It will be seen that with this construction, I can erect monolithic concrete buildings without the use of ordinary detachable wall forms which in themselves constitute a considerable item of expense, both as regards their structure and also because'these wall forms constitute so muchfa'lse work which must be put up and then taken down. WVith my invention all high priced skilled labor is done away with. The slabs are easily set 2 with the space be in place and-after being-tied cannot move and then the core or center is filled with concrete. When the slabs are set for an eight inch wall, fifty per cent of the wall iscompleted. If a twelve inch wall, when the slabs are set, thirty-three and one-third per cent. iscom-- pleted. For a twenty inch'wall, twenty per cent of the wall is completed and for atwenty-four inch wall, sixteen and two-thirds per centof the wall is completed when the slabs are set. I 7

After the core of concrete has been poured, the. wall is complete and there is. no expense due to removing the forms therefrom as is the case where removable forms are used;

Furthermore work on the superstructure may be carried along without any loss of time due to the waiting for concrete to set as the lateral slabs being of concrete, will be a full support to the superstructure without waiting for the poured concrete core to be completely hardened. Walls and piers may be completed in less time than it takes for the carpenter to build wood forms in the usual manner. Floors may be built in freezing weather and no waiting for them to harden is necessary before going ahead with construction.

The fioor slabs may be placed on steel, brick, wood, stone or other walls or beams. It will be seen that sidewalks and roadways may also be built without forms in the manner shown and will involve the least possible damage to lawns or to grading. By using pre-formed slabs, it will be possible to insure that these slabs are all of a perfectly uniform mix, well cured before erection so that the structure erected will be thoroughly strong and relatively perfect. This method of construction may also be used for marine work or work under water as the slabs after being put in place will remain in their exact position under water until the concrete core is put in place, ensuring a great saving in both labor and material. The same means may be used for erecting structures in mud holes, quick sands and all places requiring rapid and accurate construction. Circular work is normally very expensive where forms have to be built to be used. Slabs for circular work may be as readily cast as slabs for flat work and these slabs will cost very little more than for straight slabs and there will be no extra cost involved in erecting the building.

By forming the wall with pre-formed slabs constituting a mold or form and afterwards filling the interior with concrete, the slabs may be set exactly against lot lines and thus avoid trespassing on other property whereas where forms are used, the building must be either set inward from the road line or else the false work will have to trespass upon the other property. For thin walls, a single thickness of slab may be used in the same manner as illustrated for making a floor.

These slabs may be used forv fences or walls against embankments and because of the fact that thereare no forms to be removed, the

various sizes and carried in stock ready for immediate delivery at any time.

I claim 2- 1. A concrete structure including a beam formed of three pre-formed reenforced concrete elements, there being a bottom element and two side elements, the side elements being spaced from each other, a fioor formed of preformed reenforced concrete slabs having longitudinally extending recesses, said slabsbeing disposed to extend over the upper edges of the side elements of the beam, the slabshaving openings above the beam, reenforcing elements disposed in the recesses of the slabs and across the space between the slabs, and concrete filling the space defined by the elements of the beam and the openings in slabs.

2. 'A structure of the character described, including two opposed rows of preformed facing slabs, therows being spaced from each other and the slabsof each row being disposed in edge-abutting relation, the lateral edges of each slabbeing beveled and reentrantly recessed on their inside faces whereby to define inwardly opening vertically extending undercut recesses, reen'forcing wires extending vertically through the slabs, and transverse reenforcing wires extending beyond the beveled faces, the transverse wires of the several slabs being connected to each other within said recesses, and concrete filling the spaces between opposed rows of slabs and inthe undercutrecesses between adjacent slabs, thus bonding the alined slabs to each other and to the concrete.

3. A structure of the character described,

including two opposed rows of preformed slabs, the rows being spaced from each other and the slabs of each row being disposed in edge-abutting relation, the lateral edges of each slab being beveled and reentrantly recessed on their inside faces whereby to define inwardly opening vertically extending undercut recesses, reenforcing wires extending vertically through the slabs, and transverse wires extending transverselythrough the slabs and beyond the beveled faces, the transverse wires being connected to each other within said recesses, the transverse wires having inwardly projecting portions inter mediate their ends, said portions projecting beyond the adjacent face of the slab, tie mem bers connecting said inwardly bent portions of-zthe .transverse reenforcing wires of opposite slabs, and concrete fillingthe spaces between opposed rows of slabsand extending into the undercut recesses between adjacent alined slabs, thus bonding alined slabs to each other and to the filling of concrete.-

4. A structure of the character described, including two opposed rows of vertically elongated preformed slabs of artificial stone, the slabs of each row being set on end and being disposed with their lateral edges abutting the adjacent slabs of the same row, the lateral edges of each slab being beveled outward laterally on their inside faces, the beveled portions being reentrant, reenforcing i3 rods extending transversely through each slab at a plurality of points and extending beyond the beveled lateral margins of each slab thereenforcing rods of one slab being engaged with the reenforcing rods of adjacent E6 slabs, the wires connecting said rods at in tervals, and concrete filling the space between said rows of slabs and filling the said re-' cesses and having interlocking engagement therewith.

5. As an article of manufacture, a structural element for use in forming concrete structures and having the form of a slab, the side edges of the element being beveled longitudinally and outward, the element hav- 56 ing embedded therein longitudinal reenforcing members and transverse reenforcing members,'tl1e latter members extending beyond the beveled ends of the element, each element being formed with an elongated recess, each transverse member having an integral outwardly bowed portion disposed at the intersection of the transverse member with said recess whereby ties may be connected between opposed elements.

6. In a building, a slab having a longitudinally extending recess in one face thereof, there being an opening extending from the recess through to the other faceof the slab, an element disposed in a plane at right angles co the plane of the slab and in alinement with said opening, initially plastic material forming part of said element filling said recess and said opening, and a reenforcing rod disposed longitudinally in said recess and extending over said opening whereby the rod is embedded in the initially plastic material.

7. The combination with a line of slabs having inwardly beveled margins of a reenforcing element extending through each slab, the reenforcing element of one slab being alined with the reenlorcing element of the next adjacent slab, a split resilient sleeve engaging over the adjacent ends of the reenforcing elements and disposed in the space 60 diined by the beveled margins of the slabs and plastic material filling the spaces defined by said beveled margins and enclosing the sleeves of the adjacent ends ofthe reenforc- 7 ing elements.

V 8. In a building, an angular .wall formed signature; I HERMAN Gr. LARZELERE.

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715829A (en) * 1948-09-23 1955-08-23 Gunther K E Kleeberg Building unit of spaced concrete walls
US2940296A (en) * 1957-01-14 1960-06-14 Lester G Gaspar Spaced panel wall structure
US3369334A (en) * 1965-09-28 1968-02-20 Ralph R. Berg Building system
US4133156A (en) * 1975-10-03 1979-01-09 Unger Heinrich B Prefabricated wall form and production method therefor
US4229920A (en) * 1977-10-05 1980-10-28 Frank R. Lount & Son (1971) Ltd. Foamed plastic concrete form and connectors therefor
US4479338A (en) * 1981-10-02 1984-10-30 Robertson Gordon M Building elements and method of constructing a building
US4698947A (en) * 1986-11-13 1987-10-13 Mckay Harry Concrete wall form tie system
US4759779A (en) * 1987-04-27 1988-07-26 Combustion Engineering, Inc. Spacer means for cross-linking collecting electrode panels in an electrostatic precipitator
US5473849A (en) * 1992-05-28 1995-12-12 Materials Technology, Limited Building wall and method of constructing same
US20080005991A1 (en) * 2005-02-07 2008-01-10 Serge Meilleur Concrete Wall Formwork Module
ITAR20080028A1 (en) * 2008-09-15 2010-03-16 Piero Borri Formwork for the construction of walls of buildings and its realization method.
US20180044915A1 (en) * 2007-02-02 2018-02-15 Les Materiaux De Construction Oldcastle Canada, Inc. Wall with decorative facing
US10273647B2 (en) 2010-09-28 2019-04-30 Les Materiaux De Construction Oldcastle Canada, Inc. Retaining wall

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715829A (en) * 1948-09-23 1955-08-23 Gunther K E Kleeberg Building unit of spaced concrete walls
US2940296A (en) * 1957-01-14 1960-06-14 Lester G Gaspar Spaced panel wall structure
US3369334A (en) * 1965-09-28 1968-02-20 Ralph R. Berg Building system
US4133156A (en) * 1975-10-03 1979-01-09 Unger Heinrich B Prefabricated wall form and production method therefor
US4229920A (en) * 1977-10-05 1980-10-28 Frank R. Lount & Son (1971) Ltd. Foamed plastic concrete form and connectors therefor
US4479338A (en) * 1981-10-02 1984-10-30 Robertson Gordon M Building elements and method of constructing a building
US4698947A (en) * 1986-11-13 1987-10-13 Mckay Harry Concrete wall form tie system
US4759779A (en) * 1987-04-27 1988-07-26 Combustion Engineering, Inc. Spacer means for cross-linking collecting electrode panels in an electrostatic precipitator
US5473849A (en) * 1992-05-28 1995-12-12 Materials Technology, Limited Building wall and method of constructing same
US8276340B2 (en) 2005-02-07 2012-10-02 Polycrete International Inc. Concrete wall formwork module
CN101115892A (en) * 2005-02-07 2008-01-30 瑟奇·迈勒 Concrete wall formwork module
JP2008530396A (en) * 2005-02-07 2008-08-07 セルジュ・メイユール Concrete wall formwork module
EP1846625B1 (en) * 2005-02-07 2016-02-03 Polycrete International Inc. Concrete wall formwork module
US20080005991A1 (en) * 2005-02-07 2008-01-10 Serge Meilleur Concrete Wall Formwork Module
US20180044915A1 (en) * 2007-02-02 2018-02-15 Les Materiaux De Construction Oldcastle Canada, Inc. Wall with decorative facing
US10472821B2 (en) * 2007-02-02 2019-11-12 Les Materiaux De Construction Oldcastle Canada, Inc Wall with decorative facing
WO2010029171A1 (en) * 2008-09-15 2010-03-18 Piero Borri Formwork for erecting building walls and method for providing the formwork
ITAR20080028A1 (en) * 2008-09-15 2010-03-16 Piero Borri Formwork for the construction of walls of buildings and its realization method.
US10273647B2 (en) 2010-09-28 2019-04-30 Les Materiaux De Construction Oldcastle Canada, Inc. Retaining wall

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