CA2464208A1 - Precast wall section and method of making walls from same - Google Patents

Precast wall section and method of making walls from same Download PDF

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Publication number
CA2464208A1
CA2464208A1 CA002464208A CA2464208A CA2464208A1 CA 2464208 A1 CA2464208 A1 CA 2464208A1 CA 002464208 A CA002464208 A CA 002464208A CA 2464208 A CA2464208 A CA 2464208A CA 2464208 A1 CA2464208 A1 CA 2464208A1
Authority
CA
Canada
Prior art keywords
pillar
vertical
face
flange
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002464208A
Other languages
French (fr)
Inventor
Angelo Riccio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA002464208A priority Critical patent/CA2464208A1/en
Priority to US10/865,858 priority patent/US20050229516A1/en
Publication of CA2464208A1 publication Critical patent/CA2464208A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2002/7498Partitions for clean rooms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The present invention is a wall section for use in constructing the walls of clean rooms. The wall section consists of a precast reinforced concrete pillar having a vertical portion and a flange portion. The vertical portion has a top end, a bottom end, and a vertical face. The flange portion projects perpendicularly away from the vertical face immediately adjacent the bottom end. The flange also has a horizontal face. The pillar has a curved concave face where the horizontal face of the flange portion joins the vertical face of the vertical portion. The vertical section of the pillar is reinforced by reinforcing bars which extend through the bottom end and project horizontally below and beyond the flange.

Description

TITLE: PRECAST WALL SECTION AND METHOD OF MAKING WALLS FROM
SAME
FIELD OF THE INVENTION
The invention relates generally to prefabricated wall constructions.
BACKGROUND OF THE INVENTION
The manufacture of various food products usually occurs in what axe referred to as clean rooms. These rooms are generally furnished with corrosion resistant furniture and equipment where the food products are actually prepared. As the name implies, these clean rooms, and the equipment contained therein, are maintained at a high level of cleanliness in order to minimize the possibility of food contamination. At the end of each work day, workers clean down the equipment, wails and floor of the clean room using high pressure washers.
While washing with high pressure washers is generally effective, even the most effective high pressure washer is not always capable of removing all traces of debris from tight corners of the room, particularly where the floor meets the walls. Therefore, there is always the possibility that the room will not be totally sanitized even after the room has been thoroughly washed with high pressure washers.
In order to maximize the ease of sanitation, clean rooms are now being constructed without tight corners where the walls and floor meet. The walls and floor of these rooms are generally made from concrete and have a smooth curved junction between the walls and floor.
These smooth curved junctions permit water to flow easily through the corners in order to wash away any accumulated debris. However, these improved clean rooms have one major drawback, they tend to be expensive to constzuct. Generally speaking, these rooms are formed from a concrete floors with walls made of insulating pre-finished panels, This construction leaves a sharp angle where the wall meets the floor. A gentle curve is formed at the junction of the wall and floor by applying a layer of concrete at the walllfloor junction and molding the concrete to form the curved junction. As can be imagined, the curved junction farmed is not always uniform. Furthermore, the concrete curved junctions have a tendency to deteriorate over time, leaving a fractured junction, which is ideal for retaining debris. Finally, the step of forming the junction is both time consuming and expensive. An improved wall constnzction technique is therefore required.
Si.>TrIMARY OF THE INVENTION
In accordance with the present invention, there is provided a wall section for forming a wall, said wall section comprising a precast reinforced concrete pillar having a vertical portion and a flange portion. The vertical portion has a top end, a bottom end, and a vertical face, the flange portion projecting perpendicularly away from the vertical :face immediately adjacent the bottom end. The flange portion also has a horizontal face. A curved concave face is formed on the pillar where the horizontal face of the flange portion joins the vertical face of the vertical portion. The vertical section is reinforced by reinforcing bars which extend through the bottom end and projecting horizontally below and beyond the flange.
There is also provided an improved method of constructing a wall including the steps of providing a plurality of precast reinforced concrete pillars each pillar having a vertical portion and a flange portion, the vertical portion having a top end, a bottom end, and a vertical face, the .,~..~Y . w.,.m.~-,.~."~,,~, flange portion projecting perpendicularly away from the vertical face immediately adjacent the bottom end. The flange has a substantially flat bottom and a horizontal face and the pillar has a curved concave face where the horizontal face of the flange portion joins the vertical face of the vertical portion. A substrate is provided upon which the concrete pillars are placed with the bottom of the flanges resting on the substrate. The floor is formed by pouring concrete over the substrate to a level flush with the horizontal flat face of the flange portions, and finally, the poured concrete is left to cure.
ZJfith the foregoing in view, and other advantages as will become apparent to those skilled in the art to which this invention relates as this specification proceeds, the invention is herein described by reference to the accompanying drawings farming a part hereof, which includes a description of the preferred typical embodiment of the principles of the present invention.
DESCRIPTION OF THE DRAWINGS
FIGURE 1. is a perspective view of a wall section made in accordance with the present invention.
FIGURE 2. is a cross sectional view of a wall and floor made in accordance with the method of the present invention.
FIGURE 3. is a top view of a wall section made in accordance with the present invention.
FIGURE 4. is a side view of a wall section made in accordance with the present invention.
FIGURE 5. is a cross sectional view taken along line A-A of figure 3 .
FIGURE 6. is a cross sectional view taken along line B-B of figure 3.
FIGURE 7. is a cross sectional view of an alternate embodiment of the present invention.

In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION OF THE INVENTION
Referring firstly to figure I, the present invention is a precast wall section, shown generally as item 10 which consists of an elongated pillar 12 having opposite ends 14 and 16, vertical portion 15 and flange portions 22 and 23. Vertical portion 15 has tap portion 18, bottom portion 20, and opposite vertical faces 24 and 25. Flange portions 22 and 23 have horizontal faces 26 and 27, respectively. Curved faces 28 and 29 are forrr~ed on pillar I2 at the junction of flat faces 24 and 26 and at the junction of flat faces 25 and 2?, respectively. Pillar i 2 is precast from concrete and is reinforced by a plurality of vertical reinforcing bars 30. Reinforcing bars 30 each have a vertical portion 32 which is substantially contained in pillarl2 and a horizontal portion 36 which extends perpendicularly away from the pillar below the flange portions. A
portion 34 of reinforcing bars 30 extend below pillar I2.
Referring now to figures 3, 4; 5 and 6, epoxy coated reinforcing bars 30 are oriented such that horizontal portions 36 of approximately half of the bars project to one side of the pillar while the other half project to the other side of the pillar. Horizontal reinforcing bar 38 is provided in pillar I2 and extends between ends I4 and I6. Horizontal bars 30 and 38 provide structural strength to the pillar. llilounting elements 40 are provided at the corners of flanges 22 and 23 towards ends 14 and 16. Each mounting element 40 consists of a threaded nut 44 and a threaded tap 46. Threaded nut 44 is countersunk into the bottom of the flange portion and threaded tap 46 is mounted within the flange such that the treaded tap is coaxially aligned with the nut. Threaded tap 46 and threaded nut 44 form a single mounting unit 40 permitting a threaded bolt (see figure 2) to be inserted and retained in mounting unit. Top portion 15 of pillar I2 has a mounting unit 42 consisting of a threaded tap 46 which is securely retained in the pillar.
Mounting unit 42 permits an anchor bolt (not shown) to be mounted to the mounting unit, permitting an attachment means to lift the entire pillar with a crane (not shown). End 14 may be provided with female connector element 33 which is dimensioned and configured to bind to male connector element 35 of an adjacent pillar I2. Male connector element 3 5 is preferably a length of reinforcing bar cast into the pillar. Male I female connector elements 33 and 35 make it easier to mount a series of pillars in a row to form a wall. Male/female connector elements 33 and 3S also help to I O strengthen the finished wall.
Referring now to figure 2, the method ofthe present invention shall now be discussed.
To form a wall, a substrate 56 is first provided. Substrate 56 may be crushed stone, gravel, sand or some other suitable substrate for supporting a concrete floor. Pillar 12 is then set on top of substrate 56. If the heigh of pillar 22 must be adjusted, anchor bolts SO may be mounted to I 5 mounting units 40. Anchor bolts 50 consist of a threaded rod 52 rigidly mounted on top of feet 54. By threading rod 52 into mounting units 40 the height at which the pillar sits above substrate 56 can be adjusted. This makes plumbing the pillar so that the pillar sits vertically on the substrate a simple procedure. When the pillar is properly set an the substrate, a layer of concrete 58 is poured over the substrate. The amount of concrete poured is adjusted such that the top 20 surface 60 of the concrete is flush with the horizontal surface 26 of flange 22. Horizontal portions 36 of the reinforcing bars anchor pillar 12 to the poured concrete forming the floor. The concrete is left to cure. When the concrete has hardened and cured, a wall/floor junction is thereby formed with a smooth continuous cwEVed face 28 joining floor surface 60 to vertical face 24. The height of the wall can be increased by attaching upper wall segment 62 to the top i 8 of pillar 12.
The present invention has numerous advantages. Firstly, since the pillars are precast, the curves on the pillar may be made hard and durable; thereby lengthening the life of the finished wall. Furthermore, since the pillars are preformed, assembling the wall is accamplished relatively quickly. Finally, since the pillar is anchored to the concrete floor by reinforcing bars, the overall wall structure is very strong and durable.
Referring now to figure 7, the wall segments may be formed as corner units or as side units where the curved concave surface is present on only one side. Therefore, nearly any type of roam can be constructed simply by using a variety of different precast units.
Each of these units will have reinforcing steel bars 100, curved concave surface 102, flange portion 106, vertical portion 108, and mounting units 104 as discussed in the previous example.
Referring now to figure 8, a wall segment made in accordance with the present invention shown generally as item 200 may also take the form of a precast pillar 202.
Precast pillar 202 is made of plastic foam panels 204 and 206 which are held together by a plurality of ties 208. The pillar is given additional strength by a layer of concrete 210 which is poured in between foam panels 204 and 206. Pillar 202 has reinforcing bars 212 have vertical faces 214 and 216, curved concave faces 218 and 220 and horizontal flat faces 222 and 224 as in the previous embodiment.
Other than the construction of pillar 212 from a combination of plastic foam and concrete, pillar 212 is identical to the embodiment shown in figure 1.
A specific embodiment of the present invention has been disclosed; however, several variations of the disclosed embodiment could be envisioned as within the scope of this invention.
It is to be understood that the present invention is not limited to the embodiments described above, but encompasses any and all embodiments within the scope of the following claims.

Claims (11)

1. A wall section for forming a wall, said wall section comprising:
a) a precast reinforced concrete pillar having a vertical portion and a bottom portion, the vertical portion having a top end, a bottom end, and a vertical face, the flange portion projecting perpendicularly away from the vertical face immediately adjacent the bottom end, the flange having a horizontal face;
b) the pillar having a curved concave face where the horizontal face of the flange portion joins the vertical face of the vertical portion, c) the vertical section being reinforced by reinforcing bars, d) the reinforcing bars extending through the bottom end and projecting horizontally below and beyond the flange.
2. The precast wall section defined in claim 1 wherein the flange has a substantially flat bottom and wherein the pillar has a plurality of nuts, each nut being countersunk into the fat bottom.
3. The precast wall section defined in claim 1 wherein the vertical portion of the pillar has opposite sides, each side having a flat vertical face and wherein two projecting flanges extend from the bottom of the vertical portion, one flange extending perpendicularly from each of the opposite sides, each flange having a flat horizontal surface, the pillar having a curved concave face on each side of the vertical portion, each curved concave face joining the flat horizontal face of the flange portion with the corresponding flat vertical face.
4. The precast wall section defined in claim 1 further comprising a plurality of mounting elements mounted to the bottom of the pillar.
5. The precast wall section defined in claim 4 wherein the mounting elements each comprise a tap retained in the pillar.
6. The precast wall section defined in claim 5 wherein the pillar further comprises a mounting element mounted to the top of the pillar.
7. A method of constructing a wall comprising the steps of:
a) providing a plurality of precast reinforced concrete pillars each having a vertical portion and a bottom portion, the vertical portion having a top end, a bottom end, and a vertical face, the flange portion projecting perpendicularly away from the vertical face immediately adjacent the bottom end, the flange having a substantially flat bottom and a horizontal face, the pillar having a curved concave face where the horizontal face of the flange portion joins the vertical face of the vertical portion, the vertical section being reinforced by reinforcing bars;
b) providing a substrate upon which the concrete pillars are placed with the bottom of the flanges resting on the substrate, c) pouring concrete over the substrate to a level flush with the horizontal flat face of the flange portion, d) letting the poured concrete cure.
8. The method of constructing a wall as defined in claim 7 further comprising the step of mounting a top wall segment to the top end of the vertical portions of the pillars after the concrete has cured.
9. The method of constructing a wall as defined in claim 7 wherein the reinforcing bars have a horizontal section extending perpendicularly away from the vertical portion of the pillar below the flange.
10. The method of constructing a wall as defined in claim 7 wherein the pillar rests on a plurality of adjustable anchor bolts mounted to the bottom of the pillar, said mounting bolts each having a foot, said feet resting on top of the substrate, and further including the step of adjusting the height of the pillar above the substrate by adjusting the anchor bolts before pouring the concrete.
11. The method of constructing a wall as defined in claim 9 wherein pillar rests on a plurality of adjustable anchor bolts mounted to the bottom of the pillar, said mounting bolts each having a foot, said feet resting on top of the substrate, and further including the step of adjusting the height of the pillar above the substrate by adjusting the anchor bolts before pouring the concrete.
CA002464208A 2004-04-15 2004-04-15 Precast wall section and method of making walls from same Abandoned CA2464208A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002464208A CA2464208A1 (en) 2004-04-15 2004-04-15 Precast wall section and method of making walls from same
US10/865,858 US20050229516A1 (en) 2004-04-15 2004-06-14 Precast wall section and method of making walls from same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002464208A CA2464208A1 (en) 2004-04-15 2004-04-15 Precast wall section and method of making walls from same

Publications (1)

Publication Number Publication Date
CA2464208A1 true CA2464208A1 (en) 2005-10-15

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CA002464208A Abandoned CA2464208A1 (en) 2004-04-15 2004-04-15 Precast wall section and method of making walls from same

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CA (1) CA2464208A1 (en)

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Publication number Publication date
US20050229516A1 (en) 2005-10-20

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Legal Events

Date Code Title Description
FZDE Discontinued