WO2016159896A1 - Lightweight exterior wall - Google Patents
Lightweight exterior wall Download PDFInfo
- Publication number
- WO2016159896A1 WO2016159896A1 PCT/TH2015/000061 TH2015000061W WO2016159896A1 WO 2016159896 A1 WO2016159896 A1 WO 2016159896A1 TH 2015000061 W TH2015000061 W TH 2015000061W WO 2016159896 A1 WO2016159896 A1 WO 2016159896A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exterior wall
- lightweight
- shaped
- lightweight exterior
- bar
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
Definitions
- the invention relates to a lightweight exterior wall and a method for installing said wall on the exterior of the building.
- the conventional method for installing an exterior wall comprises the steps of molding the heavy pre-cast concrete panel of 2-4 tons each and providing a lifting of said molded panels by a tower crane or lifting machine in order to lift and install said panels on a specified floor or location of a building being constructed.
- the flooring or location in which the panels are to be placed may further consist of a metal plate to assist the placement of each panel in an accurate spot or position. After the placement of panel is carried out, the metal plate shall be welded with the concrete panel to stabilize the concrete wall structure. Due to the use of heavy set of concrete panels to construct the building's exterior wall, however, the lifting task can be dangerous and difficult for workers as it often requires a large-sized tower crane to withstand the panel weight of at least 3-4 tons.
- the weight of the panel can be difficult for worker to handle and to place on the specified spot or position and can be dangerous for other workers who are working around the same area.
- the concrete panels have also been pre-casted from a distant casting facility or factory, the panels may not be fitting well to the specified location and, thereby, can cause gaps between the panels after installation which can affect the overall appearance and stability of the building.
- the task of welding the implanted metal plate with a concrete panel can be difficult and dangerous.
- surfacing or painting job shall also be done on the exterior part of the wall to enhance the overall appearance, and such surfacing or painting work shall be done every 5-10 years— causing the increase in maintenance time and fees for owner.
- the present invention represents improvements to the above conventional method of installing an exterior wall in a building and from the Thai registered petty patent No.
- 9355 named "a method of installing a lightweight concrete wall reinforced with metal frame” that described a lightweight or foamed concrete wall comprising at least one set of horizontal U-shaped frame and vertical C-shaped frame wherein between the set of C-shaped frames lies a set of gypsum board or fiber-cement boards , and within the gap of said boards is filled with a foamed or lightweight cement paste or mortar.
- a lightweight exterior wall can be easily installed on the building's exterior and can enhance appearance of the building with a composite board, preferably an aluminum composite board, which is highly durable and does not require any further surfacing or painting job.
- the lightweight exterior concrete wall comprises at least one set of galvanized steel frame fitting on the exterior side of the building and at least one set of fiber cement board is placed on at least one side of said galvanized steel frame.
- a composite sheet comprises two or more materials, preferably an aluminum composite sheet, is placed on the fiber cement board wherein said board has a weight of no more than 200 kilograms.
- the relatively lightweight board is easy to install and lifting can be done by using a small crane rather than a tower crane to lift said board to a specified location.
- the installation can be made by pre-determining the area of placement of said board on the exterior side of the building and placing said board on a T-shaped bar or frame by using one or more ways of fitting the board to the T-shaped frame.
- FIG. 1 is showing one way to determine a wall placement section on the exterior of the building
- FIG. 2 is showing the components of the lightweight exterior wall
- FIG. 3 is showing one way to place the lightweight exterior wall on the exterior of the building.
- FIG. 4 is showing a cross-sectioning view of the lightweight exterior wall. Detailed description of the invention
- Figure 1 is showing one way of determining a wall placement section (1) for each lightweight exterior wall, starting from designing the size and shape of the exterior walls to placing or fitting each of said walls into the separate section (1) wherein each section (1) has the length of between 4- 10 meters.
- Figure 2 illustrates the components of lightweight exterior wall which comprises a U- shaped bar (2), which is characterized by a U-shaped cross section, with a thickness of at least 0.45 millimeter wherein said bars (2) are placed end-to-end on all four sides to create a four-sided frame and a C-shaped bar (3), which is characterized by a C-shaped vertical cross section, is vertically placed and fixed inside the U-shaped bars (2) and is acting as a skeleton for the entire wall.
- the distance between each C-shaped bar (3) is preferably at 30 centimeters interval.
- a flat board (4) chosen from a gypsum board or fiber cement board, is then used to entirely cover the exterior side of the building by fitting to the C-shaped bar (3) or the U-shaped bar (2).
- a composite sheet (5) which comprises two or more types of materials with different chemical compositions, preferably an aluminum composite sheet, is placed on or fixed to the flat board (4) and is then fixed to the C- shaped bar (3).
- the composite sheet (5) serves as a suitable alternative to other types of wall surfacing or painting or decoration.
- Figure 3 illustrates a method of installing the lightweight exterior wall wherein the installation of said lightweight exterior wall is carried out by determining the vertical placement edge (6) and utilizing an angle metal plate (7), preferably made with galvanized steel, which makes a 90 degree angle and is placed in parallel to a building floor (8), wherein one side of said angle metal plate (7) is in contact to the lightweight exterior wall.
- the angle metal plate (7) shall preferably have a width of at least 20 centimeters wherein at least one angle metal plate (7) shall be fixed on one building floor (8).
- a vertical bar (9), preferably with a T-shaped cross section, of an equivalent length equal to the floor height shall be fixed, on one side, to the angle metal plate (7).
- the vertical bar (9) shall be fixed to the angle metal plate (7) by any tool or mechanism or by utilizing one or more nuts (10). After fixing the vertical bar (9) and the angle metal plate (7) together, the lightweight exterior wall is then placed on or fixed to the vertical bar (9).
- Figure 4 illustrates a cross-sectioning view of the lightweight exterior wall system wherein said exterior wall is fixed to the vertical bar (9) with an adhesive or at least one type of tool or mechanism, such as a screw (11) that is capable of fixing the U-shaped bar (2) to the vertical bar (9).
- a screw (11) is used at every 15 centimeter-interval along the two sides of lightweight exterior wall.
- the flat board (4) is then fixed, on the inner side of the wall, to the C-shaped bar (3) and a foamed or a lightweight cement paste (12) is filled into the wall.
- a foamed or a lightweight cement paste (12) is filled into the wall.
- One method of filling said lightweight cement paste (12) into the exterior wall requires the use of an automatic cement paste mixing and wall filling machine wherein a dry lightweight cement compositions comprising cement, sand, and chemicals, are mixed with water in the mixing unit of the machine.
- the foaming unit of machine shall continuously inject air foam into the mixtures wherein the ratio of the foam is between 50-100 percent of the total lightweight cement paste (12).
- the automatic cement paste mixing and wall filling machine shall continuously transfer the paste (12) through the pipe and into the gap of the exterior wall.
- Said method of filling the paste (12) into the gap of exterior wall is a continuous and sequential process of filling the paste (12) into the wall at the height of no more than 50 centimeters per section, preferably at 10-50 centimeters per section, and filling in the adjacent sections at the same height until every section on that level is filled.
- the paste (12) shall then be re-filled into the wall in a similar manner as the lower level and the process is continued until the gap of the exterior wall is completely filled.
Abstract
A lightweight exterior wall comprises a set of bars fixed to the wall placement section wherein at least one set of flat board, such as a fiber cement board, and lightweight composite sheet are fixed to said bars. The method of installing said lightweight exterior wall comprises the steps of determining the wall placement edge and fixing at least one set of vertical bar and an equal angle metal plate to wherein the vertical bar preferably has a T-shaped cross section. The lightweight exterior wall can be lifted and fixed to the wall placement section quicker and easier than the conventional method. In addition, the composite sheet can enhance the appearance of the wall without further requirement for surfacing, painting, or maintenance of the wall surface.
Description
Title of the Invention
LIGHTWEIGHT EXTERIOR WALL
Field of the invention
The invention relates to a lightweight exterior wall and a method for installing said wall on the exterior of the building.
Background of the invention
The conventional method for installing an exterior wall comprises the steps of molding the heavy pre-cast concrete panel of 2-4 tons each and providing a lifting of said molded panels by a tower crane or lifting machine in order to lift and install said panels on a specified floor or location of a building being constructed. The flooring or location in which the panels are to be placed may further consist of a metal plate to assist the placement of each panel in an accurate spot or position. After the placement of panel is carried out, the metal plate shall be welded with the concrete panel to stabilize the concrete wall structure. Due to the use of heavy set of concrete panels to construct the building's exterior wall, however, the lifting task can be dangerous and difficult for workers as it often requires a large-sized tower crane to withstand the panel weight of at least 3-4 tons. Additionally, the weight of the panel can be difficult for worker to handle and to place on the specified spot or position and can be dangerous for other workers who are working around the same area. As the concrete panels have also been pre-casted from a distant casting facility or factory, the panels may not be fitting well to the specified location and, thereby, can cause gaps between the panels after installation which can affect the overall appearance and stability of the building.
Other than the heavy weight of the concrete panels, the task of welding the implanted metal plate with a concrete panel can be difficult and dangerous. When the installation of the concrete panel on a metal plate is done, surfacing or painting job shall also be done on the exterior part of the wall to enhance the overall appearance, and such surfacing or painting work shall be done every 5-10 years— causing the increase in maintenance time and fees for owner.
The present invention represents improvements to the above conventional method of installing an exterior wall in a building and from the Thai registered petty patent No. 9355 named "a method of installing a lightweight concrete wall reinforced with metal frame" that described a lightweight or foamed concrete wall comprising at least one set of horizontal U-shaped frame and vertical C-shaped frame wherein between the set of C-shaped frames lies a set of gypsum board or fiber-cement boards , and within the gap of said boards is filled with a foamed or lightweight cement paste or mortar.
Summary of the invention
A lightweight exterior wall can be easily installed on the building's exterior and can enhance appearance of the building with a composite board, preferably an aluminum composite board, which is highly durable and does not require any further surfacing or painting job. The lightweight exterior concrete wall comprises at least one set of galvanized steel frame fitting on the exterior side of the building and at least one set of fiber cement board is placed on at least one side of said galvanized steel frame. A composite sheet comprises two or more materials, preferably an aluminum composite sheet, is placed on the fiber cement board wherein said board has a weight of no more than 200 kilograms. The relatively lightweight board is easy to install and lifting can be done by using a small crane rather than a tower crane to lift said board to a specified location. The installation can be made by pre-determining the area of placement of said board on the exterior side of the building and placing said board on a T-shaped bar or frame by using one or more ways of fitting the board to the T-shaped frame.
Brief description of the drawings
FIG. 1 is showing one way to determine a wall placement section on the exterior of the building;
FIG. 2 is showing the components of the lightweight exterior wall; FIG. 3 is showing one way to place the lightweight exterior wall on the exterior of the building; and
FIG. 4 is showing a cross-sectioning view of the lightweight exterior wall.
Detailed description of the invention
Figure 1 is showing one way of determining a wall placement section (1) for each lightweight exterior wall, starting from designing the size and shape of the exterior walls to placing or fitting each of said walls into the separate section (1) wherein each section (1) has the length of between 4- 10 meters.
Figure 2 illustrates the components of lightweight exterior wall which comprises a U- shaped bar (2), which is characterized by a U-shaped cross section, with a thickness of at least 0.45 millimeter wherein said bars (2) are placed end-to-end on all four sides to create a four-sided frame and a C-shaped bar (3), which is characterized by a C-shaped vertical cross section, is vertically placed and fixed inside the U-shaped bars (2) and is acting as a skeleton for the entire wall. The distance between each C-shaped bar (3) is preferably at 30 centimeters interval. A flat board (4), chosen from a gypsum board or fiber cement board, is then used to entirely cover the exterior side of the building by fitting to the C-shaped bar (3) or the U-shaped bar (2). A composite sheet (5), which comprises two or more types of materials with different chemical compositions, preferably an aluminum composite sheet, is placed on or fixed to the flat board (4) and is then fixed to the C- shaped bar (3). The composite sheet (5) serves as a suitable alternative to other types of wall surfacing or painting or decoration.
Figure 3 illustrates a method of installing the lightweight exterior wall wherein the installation of said lightweight exterior wall is carried out by determining the vertical placement edge (6) and utilizing an angle metal plate (7), preferably made with galvanized steel, which makes a 90 degree angle and is placed in parallel to a building floor (8), wherein one side of said angle metal plate (7) is in contact to the lightweight exterior wall. The angle metal plate (7) shall preferably have a width of at least 20 centimeters wherein at least one angle metal plate (7) shall be fixed on one building floor (8). Subsequently, a vertical bar (9), preferably with a T-shaped cross section, of an equivalent length equal to the floor height shall be fixed, on one side, to the angle metal plate (7). The vertical bar (9) shall be fixed to the angle metal plate (7) by any tool or mechanism or by utilizing one or more nuts (10). After fixing the vertical bar (9) and the angle metal plate (7) together, the lightweight exterior wall is then placed on or fixed to the vertical bar (9).
Figure 4 illustrates a cross-sectioning view of the lightweight exterior wall system wherein said exterior wall is fixed to the vertical bar (9) with an adhesive or at least one type of tool or mechanism, such as a screw (11) that is capable of fixing the U-shaped bar (2) to the vertical bar (9). Preferably, for an overall improvement of structural strength, at least one screw (11) is used at every 15 centimeter-interval along the two sides of lightweight exterior wall. The flat board (4) is then fixed, on the inner side of the wall, to the C-shaped bar (3) and a foamed or a lightweight cement paste (12) is filled into the wall. One method of filling said lightweight cement paste (12) into the exterior wall requires the use of an automatic cement paste mixing and wall filling machine wherein a dry lightweight cement compositions comprising cement, sand, and chemicals, are mixed with water in the mixing unit of the machine. The foaming unit of machine shall continuously inject air foam into the mixtures wherein the ratio of the foam is between 50-100 percent of the total lightweight cement paste (12). Simultaneously, the automatic cement paste mixing and wall filling machine shall continuously transfer the paste (12) through the pipe and into the gap of the exterior wall. Said method of filling the paste (12) into the gap of exterior wall is a continuous and sequential process of filling the paste (12) into the wall at the height of no more than 50 centimeters per section, preferably at 10-50 centimeters per section, and filling in the adjacent sections at the same height until every section on that level is filled. Once the lower level is filled and dried out, the paste (12) shall then be re-filled into the wall in a similar manner as the lower level and the process is continued until the gap of the exterior wall is completely filled.
Claims
1. A lightweight exterior wall comprises a U-shaped bar (2), which is characterized by a U-shaped cross section, wherein the bars (2) are placed on all four sides to create a four-sided frame and a C-shaped bar (3), which is characterized by a C-shaped vertical cross section, is vertically placed and fixed inside the U-shaped bars (2) upon which a flat board (4) is placed on or fixed to the C- shaped bar (3) or the U-shaped bar (2), and a composite sheet (5), which comprises two or more types of materials with different chemical compositions, is placed on or fixed to the flat board (4).
2. The lightweight exterior wall according to claim 1 wherein the flat board (4) is a gypsum board or a fiber cement board.
3. The lightweight exterior wall according to claim 1 wherein the U-shaped bar (2) has a thickness of at least 0.45 millimeter.
4. The lightweight exterior wall according to claim 1 wherein the composite sheet (5) is an aluminum composite sheet.
5. A method of installing a lightweight exterior wall comprises the following steps:
- step 1: determining a wall placement section (1) for each lightweight exterior wall;
- step 2: fixing a U-shaped bar (2), which is characterized by a U-shaped cross section, end-to-end on all four sides of a building's exterior to create a frame for the lightweight exterior wall;
- step 3: placing a C-shaped bar (3), which is characterized by a C-shaped vertical cross section, vertically inside the U-shaped bar (2);
- step 4: fixing the vertically arranged C-shaped bar (3);
- step 5: using a flat board (4) to entirely cover the exterior side of the building by fitting to the C-shaped bar (3) or the U-shaped bar (2);
- step 6: placing a composite sheet (5), which comprises two or more types of materials with different chemical compositions, on top of a flat board (4);
- step 7: determining a vertical placement edge (6) for placing the lightweight exterior wall and placing and fixing an angle metal plate (7) on the surface of each building floor;
- step 8: fixing at least one side of a vertical bar (9) to the angle metal plate (7) wherein at least one side shall also fix to the lightweight exterior wall;
- step 9: fixing the lightweight exterior wall from step 6 to the vertical bar (9);
- step 10: fixing the flat board (4) to the interior side of the C-shaped bar (3) and leaving a space for filling in a lightweight cement paste (12) into the wall's gap; and
- step 11: filling in the lightweight cement paste (12) into the wall's gap with an automatic cement paste mixing and wall filling machine until the cement paste (12) completely fills the wall.
6. The method of installing a lightweight exterior wall according to claim 4 wherein the vertical bar (9) is an aluminum bar with a T-shaped cross section.
7. The method of installing a lightweight exterior wall according to claim 4 wherein the angle metal plate (7) is made up of galvanized steel with the width of 20 centimeters.
8. The method of installing a lightweight exterior wall according to claim 4 wherein the lightweight exterior wall is fixed to the vertical bar (9) by a set of screws (11) wherein the distance between each screw is 15 centimeters apart.
9. The method of installing a lightweight exterior wall according to claim 4 wherein the composite sheet (5) is fixed to the C-shaped bar (3).
10. The method of installing a lightweight exterior wall according to claim 4 wherein the angle metal plate (7) is both fixed to the ceiling and ground of each building floor wherein the angle metal plate (7) is fixed to the vertical bar (9) with at least one nut (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TH1503000473 | 2015-04-01 | ||
| TH1503000473U TH14360A3 (en) | 2015-04-01 | Lightweight walls for outdoor applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016159896A1 true WO2016159896A1 (en) | 2016-10-06 |
Family
ID=57003020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TH2015/000061 WO2016159896A1 (en) | 2015-04-01 | 2015-09-24 | Lightweight exterior wall |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2016159896A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919576B1 (en) * | 1970-05-23 | 1974-05-18 | ||
| WO1993023632A1 (en) * | 1992-03-23 | 1993-11-25 | Roger Ericsson | Wall for a building, method for erecting such a wall and element therefor |
| US6688066B1 (en) * | 1998-09-02 | 2004-02-10 | James Hardie Research Pty Limited | Construction technique and structure resulting therefrom |
| US20130269272A1 (en) * | 2011-06-17 | 2013-10-17 | Lenmak Exterior Innovations Inc. | Apparatus and method for manufacturing insulated wall panels |
-
2015
- 2015-09-24 WO PCT/TH2015/000061 patent/WO2016159896A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919576B1 (en) * | 1970-05-23 | 1974-05-18 | ||
| WO1993023632A1 (en) * | 1992-03-23 | 1993-11-25 | Roger Ericsson | Wall for a building, method for erecting such a wall and element therefor |
| US6688066B1 (en) * | 1998-09-02 | 2004-02-10 | James Hardie Research Pty Limited | Construction technique and structure resulting therefrom |
| US20130269272A1 (en) * | 2011-06-17 | 2013-10-17 | Lenmak Exterior Innovations Inc. | Apparatus and method for manufacturing insulated wall panels |
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