US20080178545A1 - Slab edge casing and method therefor - Google Patents
Slab edge casing and method therefor Download PDFInfo
- Publication number
- US20080178545A1 US20080178545A1 US11/750,788 US75078807A US2008178545A1 US 20080178545 A1 US20080178545 A1 US 20080178545A1 US 75078807 A US75078807 A US 75078807A US 2008178545 A1 US2008178545 A1 US 2008178545A1
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- Prior art keywords
- slab edge
- casing
- finishing
- unfinished
- slab
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- Abandoned
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- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
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- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
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- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
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- 229920006333 epoxy cement Polymers 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010047289 Ventricular extrasystoles Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0292—Repairing or restoring balconies
Definitions
- the present invention relates to slab edges.
- the present invention relates to balcony edges.
- a slab edge casing for finishing a slab edge comprises a face which defines a finished slab edge for an unfinished slab edge; and, a base which extends from the face.
- the base is connectable to one of a slab face that is adjacent the unfinished slab edge or is registerable with the unfinished slab edge.
- the face and base have respective inside surfaces that define a form into which concrete is poured and allowed to cure.
- One of the face and base also comprise a reinforcing element mount for receiving a reinforcing element that extends from the unfinished slab edge.
- the slab edge may be a balcony edge.
- a kit for finishing a slab edge comprises a casing, which in turn comprises a face which defines a finished slab edge for an unfinished slab edge and a base that extends from the face.
- the base may be connectable to a slab face adjacent the unfinished slab edge or registerable with the unfinished slab edge.
- the face and base having respective inside surfaces that define a form into which concrete is poured and allowed to cure.
- One of the face and base comprises a reinforcing element mount for receiving a reinforcing element extending from the unfinished slab edge.
- the casing also comprises a brace mount positioned on one of the inside surfaces.
- the kit also comprises a reinforcing element that is securable to the unfinished slab edge.
- the reinforcing element when secured to the unfinished slab edge, extends from the unfinished slab edge to at least a terminal anchor point that corresponds to the finished slab edge.
- the reinforcing element also comprises a brace mount.
- the kit also comprises a brace, which is extendable between the reinforcing element brace mount and the casing brace mount, and connectable to the respective mounts.
- a method for installing a slab edge comprises the steps of:
- FIG. 1( a ) is a cross-sectional view of a finished slab edge in accordance with a first embodiment of the present invention
- FIG. 1( b ) is a cross-sectional view of a finished slab edge in accordance with a second embodiment of the present invention
- FIGS. 2( a ) and 2 ( b ) are cross-sectional views of alternate embodiments of a component of the finished slab edge of FIG. 1( a );
- FIG. 3 is a front view of a component of a component of the finished slab edge of FIG. 1( a );
- FIG. 4 is a cross-sectional view of a finished slab edge in accordance with an alternate embodiment of the present invention.
- FIG. 5( a ) is a plan view of a first corner portion of a finished slab edge in accordance with an embodiment of the present invention
- FIG. 5( b ) is a plan view of a first corner portion of a finished slab edge in accordance with an alternate embodiment of the present invention
- FIG. 6( a ) is a plan view of a second corner portion of a finished slab edge in accordance with an embodiment of the present invention
- FIG. 6( b ) is a plan view of a second corner portion of a finished slab edge in accordance with an alternate embodiment of the present invention.
- FIG. 7 is a flowchart illustrating the steps in a method according to an embodiment of the present invention.
- FIG. 8 is a flowchart illustrating additional steps in the method of FIG. 7 ;
- FIG. 9 is a flowchart illustrating additional steps in the method of FIG. 7 .
- the slab edge 10 is a balcony edge.
- the slab edge 10 may be any known concrete slab, such as a parking garage pad.
- the finished slab edge 10 comprises a slab edge casing 11 , which in turn comprises a face 13 , the outside surface of which defines a finished slab edge 15 for an unfinished slab edge 17 .
- the casing 11 also comprises a base 19 , which extends from the casing face 13 .
- the base 19 may be connectable to a slab face 21 adjacent the unfinished slab edge 17 , as is illustrated in cross-section in FIG. 2( a ).
- the base 19 may register with the unfinished slab edge 17 , as is illustrated in cross-section in FIG. 2( b ).
- a registration plate 63 may be employed to aid in registering the base 19 with the unfinished slab edge 17 .
- the plate 63 is preferably composed of the polymer, such as a glass fibre reinforced polymer or a GFRP as is known in the art.
- the plate 63 may be connected to the base 19 and unfinished slab edge 17 by any suitable means known in the art.
- the face 13 and base 19 have respective inside surfaces 23 , which define a form into which concrete is poured and allowed to cure.
- the casing 11 also preferably comprises a plurality of ribs 39 , which extend from the inside surfaces 23 .
- the ribs 39 which are preferably formed along with the casing 11 as a unitary structure, aid in securing the concrete in position within the form.
- the finished slab edge 10 also comprises a reinforcing element 31 , which is securable to the unfinished slab edge 17 .
- the reinforcing element 31 when secured to the unfinished slab edge 17 , extends from the unfinished slab edge 17 to a terminal end, which ends at a point that corresponds to at least the finished slab edge 15 .
- the reinforcing element 31 is securable within a hole (not shown) that has been drilled into the unfinished slab edge 17 .
- the reinforcing element 31 comprises an anchor bolt 33 that is securable within the hole; a rod 35 , which extends from the anchor bolt 33 to the terminal anchor point; and, a coupler 37 , which connects the anchor bolt 33 to the rod 35 .
- the rod 35 is a threaded rod, a portion of which extends beyond the casing 11 .
- the rod 35 is preferably composed of a steel, such as stainless steel. Alternately, the rod 35 is composed of a plastic. As will be apparent, the rod 35 may comprise any suitable material that is substantially inert to the environmental conditions of the installation.
- the reinforcing element 31 may alternately comprise an extended rod 77 , which extends from the hole to the terminal anchor point.
- the extended rod 77 is a one-piece threaded rod, a portion of which extends beyond the casing 11 .
- the rod 77 is preferably composed of a steel, such as stainless steel. Alternately, the rod 77 is composed of a plastic. As will be apparent, the rod may comprise any suitable material that is substantially inert to the environmental conditions of the installation.
- the extended rod 77 is preferably held in place within the hole with the use of a suitable adhesive, such as an epoxy glue or cement.
- the extending portions of the respective rods 35 , 77 are configured to receive the lock 47 .
- the lock 47 is a lock nut or knob.
- the lock 47 is also composed of a polymer that is resistant to the deteriorating effects of the environmental conditions of the slab installation.
- the lock 47 may be composed to a suitable plastic.
- the casing 11 is preferably composed of a polymer, such as a glass-fibre reinforced polymer (GFRP) or a polyvinyl chloride (PVC), as is known in the art.
- GFRP glass-fibre reinforced polymer
- PVC polyvinyl chloride
- the face 13 of the casing 11 preferably has a length (l) corresponding to the height of the slab edge 10 .
- the face 13 may be cut to the required height at any point during the installation process.
- the casing face 13 comprises a first face portion 41 and a second face portion 43 .
- the first and second portions ( 41 , 43 ) are positionable with respect to each other and securable to each other at a position having a face length (l) corresponding to the slab height.
- the first and second portions ( 41 , 43 ) are slidably moveable with respect to each other. For example, referring to FIG.
- the first portion 41 comprises at least one, and preferably a plurality, of guide channels 45 , the positioning of which corresponds to the point at which the portion of the rod 35 (or rod 77 as is illustrated in FIG. 1( b )) of the reinforcing element 31 extends beyond the casing face 13 .
- the extending portion of the rod 35 is then engaged by a lock 47 , thereby securing the first and second casing portions ( 41 , 43 ) to each other.
- the lock 47 preferably works in combination with a pair of washers 83 and nut 81 .
- the guide channels 45 may be formed at any point during the manufacture and installation process. For example, channel 45 may be pre-positioned during the manufacturing process. Alternately and preferably, the channel 45 is positioned and formed on-site during the installation process.
- the face 13 also preferably comprises a reinforcing element mount 25 .
- the base 19 comprises the reinforcing element mount 25 , not shown.
- the reinforcing element mount 25 may comprise a passage extending through the face 13 , the rod 35 (or rod 77 as is illustrated in FIG. 1( b )) passing through the passage.
- the reinforcing element mount 25 may further comprise related mounting accessories, such as the nut 81 , washers 83 and lock 47 .
- the reinforcing element mount 25 may be formed at any point during the manufacture and installation process.
- the mount 25 may be pre-positioned during the manufacturing process. Alternately and preferably, the mount is positioned and applied on-site during the installation process.
- the slab edge casing 11 further comprises a base mount 27 , which is configured to receive securing means for securing the base 19 to the adjacent slab face 21 .
- the base mount 27 is a passage extending through the base 19 and the securing means is a screw 29 (preferably a self tapping screw), which passes through the base mount 27 and into the slab face 21 , thereby securing the base 19 to the slab face 21 .
- the adjacent slab face 21 is pre-treated prior to the base 19 being secured.
- the slab face 21 may be sandblasted or otherwise abraded.
- the base 19 is then secured with screws 29 .
- the base 19 is also glued to the adjacent slab face 21 .
- the slab edge casing 11 further comprises a brace mount 49 , which is positioned on one of the inside surfaces 23 of the casing 11 .
- the reinforcing element 31 also further comprises an anchor brace mount 51 , such as a suspender.
- the finished slab edge 10 additionally comprises a brace 53 .
- the brace 53 extends between the reinforcing element brace mount 51 and the casing brace mount 49 , and is connectable to the respective mounts 49 , 51 .
- the slab edge casing 11 comprises a second brace mount 55 , also positioned on one of the inside surfaces 23 , but, separate and apart from the first brace mount 49 .
- the second brace mount 55 is connectable to a second brace 57 , which extends from the reinforcing element 31 .
- the casing brace mounts 49 , 55 may alternately be configured to function as additional casing ribs 39 .
- the braces 53 , 57 may be wire elements, as is illustrated.
- the respective brace mounts 49 , 51 and 55 are configured to receive the wire elements, which are then secured to the mounts 49 , 51 and 55 .
- the wire elements may be secured to the mounts 49 , 51 and 55 by any known means.
- the brace 53 is a bar element, which may be composed of light gauge steel or a glass fibre reinforced polymer. As will be apparent, the brace 53 may be comprised of any material that suits the slab edge's particular installation environment.
- the mounts 49 , 51 are configured to receive the bar element.
- the brace 53 may be shaped to engage the inside surface 23 , thereby permitting the brace 53 to be secured directly to the inside surface 23 .
- the casing brace mount 49 is may be a rivet (or similar securing means) which secures the brace 53 to the casing 11 .
- the opposite end of the brace 53 may be secured directly to the reinforcing element 31 .
- the brace 53 is secured in place between the anchor bolt 33 and the coupler 37 .
- the brace 53 may be secured to the reinforcing element 31 and the casing 11 by any suitable means known to those skilled in the art.
- the casing 11 is preferably composed of a GFRP.
- the casing 11 may be composed of a PVC (polyvinyl chloride).
- the thickness of the PVC composed casing 11 compared to that of the GFRP composed casing 11 will preferably be adjusted (increased) to compensate to PVC's relatively lower modulus of elasticity.
- respective thicknesses of the GFRP and PVC casings 11 will be selected, taking in to account the materials' respective modulus of elasticity, to minimise any deflection of the casing 11 caused by the concrete. Deflection is kept at a minimum in order to maintain the visual presentation of the finished slab edge 15 .
- PVC as a material for casing 11 construction, offers a number of advantages over GFRP.
- One advantage is that PVC can be welded on site (in addition to being glued or cemented, as may also be required). Welding permits on site customization of the casing 11 . It also reduces the number of welding plates that are required to connect casing pieces together, as in the corner portion of the finished slab edge, for example.
- An additional advantage of using PVC is that the face 13 and base 19 may be formed separately and welded on site to form the casing 11 .
- kits for finishing as unfinished slab edge may alternately be characterized as a kit for finishing as unfinished slab edge.
- the kit comprises the casing 11 , the reinforcing element 31 and a brace 53 , as defined above, including the alternate embodiments.
- the kit comprises a plurality of reinforcing elements 31 and a plurality of braces 53 .
- the kit may comprise an equal number of reinforcing elements 31 and braces 53 .
- a corner portion of a finished slab edge 10 is illustrated in plan view.
- a slab edge corner casing 71 for the corner portion is illustrated.
- the corner portion comprises two adjacent unfinished slab edges 17 , which are positioned orthogonally to each other. Any suitable non-orthogonal positioning may be employed, as may be dictated by the slab structure.
- the corner casing 71 comprises adjacent faces 13 , which define the finished slab edge 10 . From each face 13 , a respective base 19 extends. The bases 19 are either connectable to a slab face 21 adjacent the unfinished slab edge 17 ; or, registerable with the unfinished slab edge 17 .
- the faces 13 and bases 19 have respective inside surfaces which define a form unto which concrete is poured and allowed to cure.
- Each face 13 , base 19 pairing also comprises a reinforcing element mount 25 for receiving a respective reinforcing element 31 that extends from the unfinished slab edge 17 .
- the casing 13 may further comprise base mounts 27 (not shown) for receiving securing means, such as self-tapping screws 29 .
- the corner casing 71 may further comprise a brace mount 49 positioned on one of the inside surfaces 23 (not shown).
- the brace mount 49 is connectable to a brace 53 extending from the reinforcing element 31 (not shown).
- the corner casing 71 may additionally comprise a second brace mount 55 (not shown).
- the corner casing 71 is comprised similarly to the casing 11 . As such, it may comprise:
- a polymer composition preferably a glass-fibre reinforced polymer.
- the face 13 of the corner casing 71 has a length corresponding to the slab height.
- the face 13 of the corner casing 71 may comprise the first face portion 41 and second face portion 43 , as described above.
- FIG. 5( b ) the corner portion of FIG. 5( a ) is illustrated with the reinforcing element 31 comprising the rod 77 .
- This corner portion is identical to that of FIG. 5( a ) in all other respects.
- a corner of a finished slab edge 10 is illustrated according to an alternate embodiment.
- the casings 11 are cut at an angle A, which is determined by the particular installation requirements.
- FIG. 6( b ) the corner portion of FIG. 6( a ) is illustrated with the reinforcing element 31 comprising the rod 77 .
- This corner portion is identical to that of FIG. 6( a ) in all other respects.
- FIGS. 5 and 6 means for connecting adjacent casings 11 (or 11 and 71 ) is illustrated.
- the adjacent casings 11 (or 11 and 71 ) are placed side by side.
- a coupling plate 73 is the positioned at the common border of the adjacent casings 11 (or 11 and 71 ).
- the plate 73 is then secured to the casings 11 (or 11 and 71 ), as is illustrated.
- the connection comprises a base coupling plate and a face coupling plate.
- the plates 73 preferably are composed of a glass-fibre reinforced polymer.
- the finished slab edge 10 may further comprise reinforcing bars 59 , which are positionable between the finished and unfinished slab edges 15 , 17 in an orientation orthogonal to a longitudinal axis 61 of the reinforcing element 31 .
- the reinforcing bars may be composed of any suitable corrosion resistant material, such as any one of glass-fibre reinforced polymer, carbon-fibre reinforced polymer, and steel (such as stainless steel).
- FIG. 7 a flow chart illustrating the steps in a method in accordance with a preferred embodiment is provided.
- the method provided is for finishing an unfinished slab edge.
- the method comprises the steps of:
- Step (a) may further comprise any one or a combination of the steps of:
- Step (b) may further comprise any one or a combination of the steps of:
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Abstract
A slab edge casing for finishing a slab edge is provided. The casing comprises a face which defines a finished slab edge for an unfinished slab edge; and, a base which extends from the face. The base is connectable to one of a slab face that is adjacent the unfinished slab edge or is registerable with the unfinished slab edge. The face and base have respective inside surfaces that define a form into which concrete is poured and allowed to cure. One of the face and base also comprise a reinforcing element mount for receiving a reinforcing element that extends from the unfinished slab edge. A method for installing the casing is also provided.
Description
- The present invention relates to slab edges. In particular, the present invention relates to balcony edges.
- Concrete slabs, such as those found on balconies, have limited lifespans. They are built according to specifications which should provide a decades long life span. Unfortunately, often as a result of environmental conditions, the balconies must be replaced within 8-12 years. The process of re-finishing is labour, resource and time intensive for those re-furnishing the balconies. The re-furnishers must:
-
- set up scaffolding in order to access the balconies;
- employ impact tools (e.g. jack hammers) to remove the damaged balcony portions while at the same time preserving any existing reinforcing bars within the slab structure; and
- set up form work to pour re-finishing concrete.
- Also this process often times significantly inconveniences the individuals who use the balconies. The noise and dust created is often intolerable. The dust generated can sometimes permanently damage personal possessions.
- The remains a need for a system and method for finishing a slab edge which mitigates or obviates at least some of the above-presented problems.
- A slab edge casing for finishing a slab edge is provided. The casing comprises a face which defines a finished slab edge for an unfinished slab edge; and, a base which extends from the face. The base is connectable to one of a slab face that is adjacent the unfinished slab edge or is registerable with the unfinished slab edge. The face and base have respective inside surfaces that define a form into which concrete is poured and allowed to cure. One of the face and base also comprise a reinforcing element mount for receiving a reinforcing element that extends from the unfinished slab edge.
- The slab edge may be a balcony edge.
- A kit for finishing a slab edge is provided. The kit comprises a casing, which in turn comprises a face which defines a finished slab edge for an unfinished slab edge and a base that extends from the face. The base may be connectable to a slab face adjacent the unfinished slab edge or registerable with the unfinished slab edge. The face and base having respective inside surfaces that define a form into which concrete is poured and allowed to cure. One of the face and base comprises a reinforcing element mount for receiving a reinforcing element extending from the unfinished slab edge. The casing also comprises a brace mount positioned on one of the inside surfaces.
- The kit also comprises a reinforcing element that is securable to the unfinished slab edge. The reinforcing element, when secured to the unfinished slab edge, extends from the unfinished slab edge to at least a terminal anchor point that corresponds to the finished slab edge. The reinforcing element also comprises a brace mount.
- The kit also comprises a brace, which is extendable between the reinforcing element brace mount and the casing brace mount, and connectable to the respective mounts.
- A method for installing a slab edge is also provided. The method comprises the steps of:
-
- securing a reinforcing element into the unfinished slab edge. The reinforcing element extends from the unfinished slab edge to at least a terminal anchor point corresponding to the installed position of the finished slab edge.
- connecting a casing to the reinforcing element at the terminal anchor point. The casing defines the finished slab edge and defines a form into which concrete is poured and allowed to cure.
- and, pouring the concrete into the form and allowing the concrete to cure. The casing remaining in position after the concrete has cured.
-
FIG. 1( a) is a cross-sectional view of a finished slab edge in accordance with a first embodiment of the present invention; -
FIG. 1( b) is a cross-sectional view of a finished slab edge in accordance with a second embodiment of the present invention; -
FIGS. 2( a) and 2(b) are cross-sectional views of alternate embodiments of a component of the finished slab edge ofFIG. 1( a); -
FIG. 3 is a front view of a component of a component of the finished slab edge ofFIG. 1( a); -
FIG. 4 is a cross-sectional view of a finished slab edge in accordance with an alternate embodiment of the present invention; -
FIG. 5( a) is a plan view of a first corner portion of a finished slab edge in accordance with an embodiment of the present invention; -
FIG. 5( b) is a plan view of a first corner portion of a finished slab edge in accordance with an alternate embodiment of the present invention; -
FIG. 6( a) is a plan view of a second corner portion of a finished slab edge in accordance with an embodiment of the present invention; -
FIG. 6( b) is a plan view of a second corner portion of a finished slab edge in accordance with an alternate embodiment of the present invention; -
FIG. 7 is a flowchart illustrating the steps in a method according to an embodiment of the present invention; -
FIG. 8 is a flowchart illustrating additional steps in the method ofFIG. 7 ; and, -
FIG. 9 is a flowchart illustrating additional steps in the method ofFIG. 7 . - Referring to
FIG. 1( a), a cross-sectional view of a finishedslab edge 10 is illustrated in accordance with an embodiment of the present invention. In a preferred embodiment, theslab edge 10 is a balcony edge. However, as will be apparent to those skilled in the art, theslab edge 10 may be any known concrete slab, such as a parking garage pad. - The finished
slab edge 10 comprises aslab edge casing 11, which in turn comprises aface 13, the outside surface of which defines a finishedslab edge 15 for an unfinishedslab edge 17. Thecasing 11 also comprises abase 19, which extends from thecasing face 13. Thebase 19 may be connectable to aslab face 21 adjacent the unfinishedslab edge 17, as is illustrated in cross-section inFIG. 2( a). Alternately, thebase 19 may register with the unfinishedslab edge 17, as is illustrated in cross-section inFIG. 2( b). Aregistration plate 63 may be employed to aid in registering thebase 19 with the unfinishedslab edge 17. Theplate 63 is preferably composed of the polymer, such as a glass fibre reinforced polymer or a GFRP as is known in the art. Theplate 63 may be connected to thebase 19 and unfinishedslab edge 17 by any suitable means known in the art. - Referring again to
FIG. 1( a), theface 13 andbase 19 have respective inside surfaces 23, which define a form into which concrete is poured and allowed to cure. - The
casing 11 also preferably comprises a plurality ofribs 39, which extend from the inside surfaces 23. Theribs 39, which are preferably formed along with thecasing 11 as a unitary structure, aid in securing the concrete in position within the form. - The
finished slab edge 10 also comprises a reinforcingelement 31, which is securable to theunfinished slab edge 17. The reinforcingelement 31, when secured to theunfinished slab edge 17, extends from theunfinished slab edge 17 to a terminal end, which ends at a point that corresponds to at least thefinished slab edge 15. Preferably, the reinforcingelement 31 is securable within a hole (not shown) that has been drilled into theunfinished slab edge 17. - In a first embodiment, the reinforcing
element 31 comprises ananchor bolt 33 that is securable within the hole; arod 35, which extends from theanchor bolt 33 to the terminal anchor point; and, acoupler 37, which connects theanchor bolt 33 to therod 35. Preferably, therod 35 is a threaded rod, a portion of which extends beyond thecasing 11. Therod 35 is preferably composed of a steel, such as stainless steel. Alternately, therod 35 is composed of a plastic. As will be apparent, therod 35 may comprise any suitable material that is substantially inert to the environmental conditions of the installation. - Referring now to
FIG. 1( b), a cross-sectional view of thefinished slab edge 10 in accordance with a second embodiment is illustrated. The reinforcingelement 31 may alternately comprise anextended rod 77, which extends from the hole to the terminal anchor point. Theextended rod 77 is a one-piece threaded rod, a portion of which extends beyond thecasing 11. Therod 77 is preferably composed of a steel, such as stainless steel. Alternately, therod 77 is composed of a plastic. As will be apparent, the rod may comprise any suitable material that is substantially inert to the environmental conditions of the installation. Theextended rod 77 is preferably held in place within the hole with the use of a suitable adhesive, such as an epoxy glue or cement. - Referring to
FIGS. 1( a) and 1(b), the extending portions of therespective rods lock 47. Preferably, thelock 47 is a lock nut or knob. - In a preferred embodiment, the
lock 47 is also composed of a polymer that is resistant to the deteriorating effects of the environmental conditions of the slab installation. For example, thelock 47 may be composed to a suitable plastic. - Referring again to
FIG. 1( a), thecasing 11 is preferably composed of a polymer, such as a glass-fibre reinforced polymer (GFRP) or a polyvinyl chloride (PVC), as is known in the art. - The
face 13 of thecasing 11 preferably has a length (l) corresponding to the height of theslab edge 10. In order to accommodate varying slab heights, theface 13 may be cut to the required height at any point during the installation process. Alternately, and preferably, thecasing face 13 comprises afirst face portion 41 and asecond face portion 43. The first and second portions (41, 43) are positionable with respect to each other and securable to each other at a position having a face length (l) corresponding to the slab height. Preferably, the first and second portions (41, 43) are slidably moveable with respect to each other. For example, referring toFIG. 3 , a front view of the first and second portions (41, 43) is illustrated. Thefirst portion 41 comprises at least one, and preferably a plurality, of guide channels 45, the positioning of which corresponds to the point at which the portion of the rod 35 (orrod 77 as is illustrated inFIG. 1( b)) of the reinforcingelement 31 extends beyond thecasing face 13. The extending portion of therod 35 is then engaged by alock 47, thereby securing the first and second casing portions (41, 43) to each other. Thelock 47 preferably works in combination with a pair ofwashers 83 andnut 81. The guide channels 45 may be formed at any point during the manufacture and installation process. For example, channel 45 may be pre-positioned during the manufacturing process. Alternately and preferably, the channel 45 is positioned and formed on-site during the installation process. - The
face 13 also preferably comprises a reinforcingelement mount 25. Alternately, thebase 19 comprises the reinforcingelement mount 25, not shown. - The reinforcing
element mount 25 may comprise a passage extending through theface 13, the rod 35 (orrod 77 as is illustrated inFIG. 1( b)) passing through the passage. The reinforcingelement mount 25 may further comprise related mounting accessories, such as thenut 81,washers 83 andlock 47. The reinforcingelement mount 25 may be formed at any point during the manufacture and installation process. For example, themount 25 may be pre-positioned during the manufacturing process. Alternately and preferably, the mount is positioned and applied on-site during the installation process. - The slab edge casing 11 further comprises a
base mount 27, which is configured to receive securing means for securing the base 19 to theadjacent slab face 21. In a preferred embodiment, thebase mount 27 is a passage extending through thebase 19 and the securing means is a screw 29 (preferably a self tapping screw), which passes through thebase mount 27 and into theslab face 21, thereby securing the base 19 to theslab face 21. In installation, theadjacent slab face 21 is pre-treated prior to the base 19 being secured. For example, theslab face 21 may be sandblasted or otherwise abraded. Thebase 19 is then secured withscrews 29. Preferably, thebase 19 is also glued to theadjacent slab face 21. - Still referring to
FIG. 1( a), the slab edge casing 11 further comprises abrace mount 49, which is positioned on one of the inside surfaces 23 of thecasing 11. The reinforcingelement 31 also further comprises ananchor brace mount 51, such as a suspender. With thecasing 11 and reinforcingelement 31 being configured with respective brace mounts (49, 51), thefinished slab edge 10 additionally comprises abrace 53. Thebrace 53 extends between the reinforcingelement brace mount 51 and thecasing brace mount 49, and is connectable to the respective mounts 49, 51. - Preferably, the slab edge casing 11 comprises a
second brace mount 55, also positioned on one of the inside surfaces 23, but, separate and apart from thefirst brace mount 49. Thesecond brace mount 55 is connectable to asecond brace 57, which extends from the reinforcingelement 31. As will be apparent, the casing brace mounts 49, 55 may alternately be configured to function asadditional casing ribs 39. - Still referring to
FIG. 1( a), thebraces mounts mounts - Referring to
FIG. 4 , an alternate embodiment of thebrace 53 is illustrated. In this alternate embodiment, thebrace 53 is a bar element, which may be composed of light gauge steel or a glass fibre reinforced polymer. As will be apparent, thebrace 53 may be comprised of any material that suits the slab edge's particular installation environment. - In this alternate embodiment, the
mounts FIG. 4 , thebrace 53 may be shaped to engage theinside surface 23, thereby permitting thebrace 53 to be secured directly to theinside surface 23. In this particular embodiment, thecasing brace mount 49 is may be a rivet (or similar securing means) which secures thebrace 53 to thecasing 11. The opposite end of thebrace 53 may be secured directly to the reinforcingelement 31. In the embodiment illustrated, thebrace 53 is secured in place between theanchor bolt 33 and thecoupler 37. Thebrace 53 may be secured to the reinforcingelement 31 and thecasing 11 by any suitable means known to those skilled in the art. - The
casing 11, as has been described above, is preferably composed of a GFRP. In an alternate embodiment, thecasing 11 may be composed of a PVC (polyvinyl chloride). The thickness of the PVC composedcasing 11 compared to that of the GFRP composedcasing 11 will preferably be adjusted (increased) to compensate to PVC's relatively lower modulus of elasticity. In either case, respective thicknesses of the GFRP andPVC casings 11 will be selected, taking in to account the materials' respective modulus of elasticity, to minimise any deflection of thecasing 11 caused by the concrete. Deflection is kept at a minimum in order to maintain the visual presentation of thefinished slab edge 15. - PVC, as a material for casing 11 construction, offers a number of advantages over GFRP. One advantage is that PVC can be welded on site (in addition to being glued or cemented, as may also be required). Welding permits on site customization of the
casing 11. It also reduces the number of welding plates that are required to connect casing pieces together, as in the corner portion of the finished slab edge, for example. An additional advantage of using PVC is that theface 13 andbase 19 may be formed separately and welded on site to form thecasing 11. - An embodiment of the present invention may alternately be characterized as a kit for finishing as unfinished slab edge. The kit comprises the
casing 11, the reinforcingelement 31 and abrace 53, as defined above, including the alternate embodiments. Preferably, the kit comprises a plurality of reinforcingelements 31 and a plurality ofbraces 53. For example, the kit may comprise an equal number of reinforcingelements 31 and braces 53. - Referring to
FIG. 5( a), a corner portion of afinished slab edge 10 is illustrated in plan view. A slab edge corner casing 71 for the corner portion is illustrated. In the illustrated embodiment, the corner portion comprises two adjacent unfinished slab edges 17, which are positioned orthogonally to each other. Any suitable non-orthogonal positioning may be employed, as may be dictated by the slab structure. - The
corner casing 71 comprises adjacent faces 13, which define thefinished slab edge 10. From eachface 13, arespective base 19 extends. Thebases 19 are either connectable to aslab face 21 adjacent theunfinished slab edge 17; or, registerable with theunfinished slab edge 17. The faces 13 andbases 19 have respective inside surfaces which define a form unto which concrete is poured and allowed to cure. Eachface 13,base 19 pairing also comprises a reinforcingelement mount 25 for receiving a respective reinforcingelement 31 that extends from theunfinished slab edge 17. As stated previously, thecasing 13 may further comprise base mounts 27 (not shown) for receiving securing means, such as self-tappingscrews 29. - Also, as stated previously, the
corner casing 71 may further comprise abrace mount 49 positioned on one of the inside surfaces 23 (not shown). Thebrace mount 49 is connectable to abrace 53 extending from the reinforcing element 31 (not shown). Thecorner casing 71 may additionally comprise a second brace mount 55 (not shown). As will be apparent, thecorner casing 71 is comprised similarly to thecasing 11. As such, it may comprise: - a plurality of
ribs 39 extending from the inside surfaces 23 (not shown); and, - a polymer composition, preferably a glass-fibre reinforced polymer.
- As with the
casing 11, theface 13 of thecorner casing 71 has a length corresponding to the slab height. Alternatively, theface 13 of thecorner casing 71 may comprise thefirst face portion 41 andsecond face portion 43, as described above. - Referring to
FIG. 5( b), the corner portion ofFIG. 5( a) is illustrated with the reinforcingelement 31 comprising therod 77. This corner portion is identical to that ofFIG. 5( a) in all other respects. - Referring to
FIG. 6( a), a corner of afinished slab edge 10 is illustrated according to an alternate embodiment. In this embodiment, thecasings 11 are cut at an angle A, which is determined by the particular installation requirements. - Referring to
FIG. 6( b), the corner portion ofFIG. 6( a) is illustrated with the reinforcingelement 31 comprising therod 77. This corner portion is identical to that ofFIG. 6( a) in all other respects. - Referring to
FIGS. 5 and 6 , means for connecting adjacent casings 11 (or 11 and 71) is illustrated. The adjacent casings 11 (or 11 and 71) are placed side by side. Acoupling plate 73 is the positioned at the common border of the adjacent casings 11 (or 11 and 71). Theplate 73 is then secured to the casings 11 (or 11 and 71), as is illustrated. Preferably, the connection comprises a base coupling plate and a face coupling plate. Theplates 73 preferably are composed of a glass-fibre reinforced polymer. - Referring to
FIG. 1( a), thefinished slab edge 10 may further comprise reinforcingbars 59, which are positionable between the finished and unfinished slab edges 15, 17 in an orientation orthogonal to alongitudinal axis 61 of the reinforcingelement 31. The reinforcing bars may be composed of any suitable corrosion resistant material, such as any one of glass-fibre reinforced polymer, carbon-fibre reinforced polymer, and steel (such as stainless steel). - Referring to
FIG. 7 , a flow chart illustrating the steps in a method in accordance with a preferred embodiment is provided. The method provided is for finishing an unfinished slab edge. The method comprises the steps of: -
- (a) securing a reinforcing
element 31 into theunfinished slab edge 17. (Step 100) The reinforcingelement 31 extends from theunfinished slab edge 17 to a terminal end that extends to a point corresponding to the installed position of thefinished slab edge 10; - (b) connecting a
casing 11 to the reinforcingelement 31 at the terminal end. (Step 200) The casing defines thefinished slab edge 10 and defines a form into which concrete is poured and allowed to cure; and, - (c) pouring the concrete into the form and allowing the concrete to cure. (Step 300) The
casing 11 remains in position after the concrete has cured.
- (a) securing a reinforcing
- Step (a) may further comprise any one or a combination of the steps of:
- (a) cutting the slab to remove an original deteriorated slab edge and expose the
unfinished slab edge 17. (Step 100(a)). [As will be apparent, any suitable cutting tool, such as a circular or chain saw for concrete, may be employed. The use of the cutting tool contrasts with traditional methods, which involve the use of percussion or impact tools (commonly referred to as jack hammers) of varying sizes, which are used to remove the concrete and preserve the underlying reinforcing bars.] - (b) drilling a plurality of holes into an unfinished slab edge 17 (Step 100(b)); and,
- (c) securing a reinforcing
element 31 into each of the holes. (Step 100(c)). [The number of holes drilled, and the drilling depth of the holes are determined by the particular installation requirements. The reinforcingelement 31 may be secured into its hole by any one or a combination of the action of ananchor bolt portion 33 of the reinforcingelement 31, and a cement (such as an epoxy cement or glue).] - Step (b) may further comprise any one or a combination of the steps of:
- (a) securing a lock to a portion of the terminal end that extends beyond the
finished edge 15. (Step 200(a)); - (b) connecting the
casing 11 to aface 21 adjacent the unfinished slab edge. (Step 200 (b)); - (c) positioning reinforcing
bars 59 between the finished and unfinished slab edges 15, 17 in an orientation orthogonal to alongitudinal axis 61 of the reinforcingelement 31. (Step 200(c)); - (d) connecting a
brace 53 to acasing brace mount 49 and a reinforcingelement brace mount 51. (Step 200(d)); and, - (e) connecting a
second brace 57 to the reinforcingelement brace mount 51 and a secondcasing brace mount 55. (Step 200(e)). - The above description is intended in an illustrative rather than restrictive sense. Variations may be apparent to those skilled in the art without departing from the spirit and scope of the invention as defined by the claims set out below.
Claims (29)
1. A method for finishing an unfinished slab edge comprising the steps of:
(a) securing a reinforcing element into the unfinished slab edge, the reinforcing element extending from the unfinished slab edge to at least a terminal anchor point corresponding to the installed position of the finished slab edge;
(b) connecting a casing to the reinforcing element at the terminal anchor point, the casing defining the finished slab edge and defining a form into which concrete is poured and allowed to cure; and,
(c) pouring the concrete into the form and allowing the concrete to cure, the casing remaining in position after the concrete has cured.
2. A method for finishing a slab edge according to claim 1 , wherein step (b) further comprises connecting the casing to a face adjacent the unfinished slab edge.
3. A method for finishing a slab edge according to claim 1 , wherein step (a) further comprises cutting the slab to remove an original slab edge and expose the unfinished slab edge.
4. A method for finishing a slab edge according to claim 1 , wherein step (a) further comprises drilling a plurality of holes into an unfinished slab edge; and, securing a reinforcing element into each of the holes.
5. A method for finishing a slab edge according to claim 1 , wherein the reinforcing element comprises a brace mount and the casing comprises a corresponding brace mount, and step (b) further comprises connecting a brace to the respective mounts.
6. A method for finishing a slab edge according to claim 5 , wherein the casing further comprises a second brace mount and the reinforcing element is configured to receive a second brace, and step (b) further comprises connecting the second brace to the reinforcing element brace and the second brace.
7. A method for finishing a slab edge according to claim 1 , wherein the terminal anchor point extends beyond the casing, the portion extending beyond being configured to receive a lock, and step (b) further comprises securing the lock to extended anchor portion.
8. A method for finishing a slab edge according to claim 1 , wherein step (b) further comprises positioning reinforcing bars between the finished and unfinished slab edges in an orientation orthogonal to a longitudinal axis of the reinforcing element.
9. A method for finishing a slab edge according to claim 1 , wherein the slab is a balcony.
10. A slab edge casing for finishing a slab edge, the casing comprising:
a face defining a finished slab edge for an unfinished slab edge; and,
a base extending from the face, the base being one of connectable to a slab face adjacent the unfinished slab edge and registerable with the unfinished slab edge, the face and base having respective inside surfaces defining a form into which concrete is poured and allowed to cure,
one of the face and base comprising a reinforcing element mount for receiving a reinforcing element extending from the unfinished slab edge.
11. A slab edge casing for finishing a slab edge according to claim 10 , wherein the casing further comprises a base mount for receiving securing means for securing the base to the adjacent slab face.
12. A slab edge casing for finishing a slab edge according to claim 11 , wherein the securing means is a self tapping screw.
13. A slab edge casing for finishing a slab edge according to claim 10 further comprising a brace mount positioned on one of the inside surfaces, the brace mount being connectable to a brace extending from the reinforcing element.
14. A slab edge casing for finishing a slab edge according to claim 13 further comprising a second brace mount positioned on one of the inside surfaces, apart from the first brace mount, the second brace mount being connectable to a second brace extending from the reinforcing element.
15. A slab edge casing for finishing a slab edge according to claim 10 , wherein the casing further comprises a plurality of ribs extending from the inside surfaces, the ribs aiding in securing the cured concrete in position.
16. A slab edge casing for finishing a slab edge according to claim 10 , wherein the casing is composed of a polymer.
17. A slab edge casing for finishing a slab edge according to claim 16 , wherein the polymer is one of a glass fibre reinforced polymer and a polyvinyl chloride.
18. A slab edge casing for finishing a slab edge according to claim 10 , wherein the face has a length corresponding to the slab height.
19. A slab edge casing for finishing a slab edge according to claim 10 , wherein the face comprises a first face portion, and a second face portion, the first and second face portions being moveable with respect to each other and securable to each other at position having a length corresponding to the slab height.
20. A kit for finishing an unfinished slab edge, the kit comprising:
a casing comprising:
a face defining a finished slab edge for an unfinished slab edge; and,
a base extending from the face, the base being one of connectable to a slab face adjacent the unfinished slab edge and registerable with the unfinished slab edge, the face and base having respective inside surfaces defining a form into which concrete is poured and allowed to cure, one of the face and base comprising a reinforcing element mount for receiving a reinforcing element extending from the unfinished slab edge, and,
a brace mount positioned on one of the inside surfaces;
a reinforcing element securable to the unfinished slab edge, the reinforcing element, when secured to the unfinished slab edge, extending from the unfinished slab edge to at least a terminal anchor point corresponding to the finished slab edge, the reinforcing element comprising a brace mount; and,
a brace, extendable between the reinforcing element brace mount and the casing brace mount, and connectable to the respective mounts.
21. A kit for finishing an unfinished slab edge according to claim 20 , wherein the reinforcing element is securable within a hole drilled into the unfinished slab edge.
22. A kit for finishing an unfinished slab edge according to claim 21 , wherein the reinforcing element further comprises:
an anchor bolt securable within the hole;
a rod extending from the anchor bolt to the terminal anchor point; and,
a coupler connecting the anchor bolt to the rod.
23. A kit for finishing an unfinished slab edge according to claim 22 , wherein the rod is a threaded rod.
24. A kit for finishing an unfinished slab edge according to claim 23 , wherein the lock is a lock nut.
25. A kit for finishing an unfinished slab edge according to claim 24 , wherein the lock nut is composed of a polymer.
26. A kit for finishing an unfinished slab edge according to claim 20 , wherein the casing is composed of a polymer.
27. A kit for finishing an unfinished slab edge according to claim 26 , wherein the polymer is one of a glass fibre reinforced polymer and a polyvinyl chloride.
28. A kit for finishing an unfinished slab edge according to claim 26 , wherein when the polymer is a polyvinyl chloride, the face and base are welded together.
29. A kit for finishing an unfinished slab edge according to claim 21 , wherein the reinforcing element further comprises a rod extending from the hole to the terminal anchor point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/094,198 US20110258953A1 (en) | 2007-05-18 | 2011-04-26 | Slab edge casing and method therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,576,780 | 2007-01-31 | ||
CA2576780A CA2576780C (en) | 2007-01-31 | 2007-01-31 | Slab edge casing and method therefor |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/094,198 Continuation-In-Part US20110258953A1 (en) | 2007-05-18 | 2011-04-26 | Slab edge casing and method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080178545A1 true US20080178545A1 (en) | 2008-07-31 |
Family
ID=39666368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/750,788 Abandoned US20080178545A1 (en) | 2007-01-31 | 2007-05-18 | Slab edge casing and method therefor |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080178545A1 (en) |
CA (1) | CA2576780C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070289239A1 (en) * | 2006-06-20 | 2007-12-20 | Davis Energy Group, Inc. | Slab edge insulating form system and methods |
US20110258953A1 (en) * | 2007-05-18 | 2011-10-27 | Balcon Reconstruction Corp. | Slab edge casing and method therefor |
US20160369499A1 (en) * | 2014-01-23 | 2016-12-22 | Harvel K. Crumley | Guide Device for Retaining Ties in Masonry Walls |
CN110295743A (en) * | 2018-03-22 | 2019-10-01 | 湖南好快省建筑科技有限公司 | Window position pushes up collet template admittedly |
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US2328155A (en) * | 1941-10-25 | 1943-08-31 | Letourneau Inc | Expansion joint |
US2691293A (en) * | 1949-04-05 | 1954-10-12 | Patterson Shepard Inc | Reinforced concrete slab |
US5234654A (en) * | 1992-02-27 | 1993-08-10 | Brooks Clifford D | Concrete forming system |
US5657601A (en) * | 1995-09-21 | 1997-08-19 | The United States Of America As Represented By The Secretary Of The Army | Form tie rod spacer assembly for stay-in-place forms |
US5782050A (en) * | 1997-03-07 | 1998-07-21 | Boeshart; Patrick E. | Two-piece corner tie |
US20020116888A1 (en) * | 2001-02-23 | 2002-08-29 | Larry Jorn | Double bias corner form |
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US20070044423A1 (en) * | 2005-08-24 | 2007-03-01 | Matt Funk | Rebar spacer and method |
US7415804B2 (en) * | 2002-09-05 | 2008-08-26 | Coombs Jerry D | Isulated concrete form having welded wire form tie |
-
2007
- 2007-01-31 CA CA2576780A patent/CA2576780C/en active Active
- 2007-05-18 US US11/750,788 patent/US20080178545A1/en not_active Abandoned
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US2328155A (en) * | 1941-10-25 | 1943-08-31 | Letourneau Inc | Expansion joint |
US2691293A (en) * | 1949-04-05 | 1954-10-12 | Patterson Shepard Inc | Reinforced concrete slab |
US5234654A (en) * | 1992-02-27 | 1993-08-10 | Brooks Clifford D | Concrete forming system |
US5657601A (en) * | 1995-09-21 | 1997-08-19 | The United States Of America As Represented By The Secretary Of The Army | Form tie rod spacer assembly for stay-in-place forms |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070289239A1 (en) * | 2006-06-20 | 2007-12-20 | Davis Energy Group, Inc. | Slab edge insulating form system and methods |
US7596915B2 (en) * | 2006-06-20 | 2009-10-06 | Davis Energy Group, Inc. | Slab edge insulating form system and methods |
US20110258953A1 (en) * | 2007-05-18 | 2011-10-27 | Balcon Reconstruction Corp. | Slab edge casing and method therefor |
US20160369499A1 (en) * | 2014-01-23 | 2016-12-22 | Harvel K. Crumley | Guide Device for Retaining Ties in Masonry Walls |
US10364569B2 (en) * | 2014-01-23 | 2019-07-30 | Harvel K. Crumley | Guide device for retaining ties in masonry walls |
CN110295743A (en) * | 2018-03-22 | 2019-10-01 | 湖南好快省建筑科技有限公司 | Window position pushes up collet template admittedly |
Also Published As
Publication number | Publication date |
---|---|
CA2576780A1 (en) | 2008-07-31 |
CA2576780C (en) | 2014-05-13 |
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Legal Events
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AS | Assignment |
Owner name: I&F ENGINEERING CORP., CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FINKELSHTEYN, ISAAK;REEL/FRAME:019858/0643 Effective date: 20070816 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |