US20030115827A1 - Reinforced steel beam and hybrid joist - Google Patents
Reinforced steel beam and hybrid joist Download PDFInfo
- Publication number
- US20030115827A1 US20030115827A1 US10/035,848 US3584801A US2003115827A1 US 20030115827 A1 US20030115827 A1 US 20030115827A1 US 3584801 A US3584801 A US 3584801A US 2003115827 A1 US2003115827 A1 US 2003115827A1
- Authority
- US
- United States
- Prior art keywords
- web
- accordance
- flanges
- joist
- groove
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
- E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
Abstract
The I-beam or joist is reinforced with corrugation on its web to form triangular pattern of trust structure. It can also reduce weight by punching holes in between corrugations. This not only reduce weight, but also provide space for utilities lines, which offer more overhead room, better architectural design, and lower construction cost.
The reinforced metal web is further employed in metal-wood hybrid joist with wood flanges, which is light in weight, provides space for utility lines, and also other materials like panels can be nailed to the flanges.
Description
- There are numerous kinds of Heavy Weight Steel Beam and Light Weight Floor Joist being used in building constructions.
- First, existing Heavy Weight Steel Beams are strong enough to support dead load and live load of the building, but required many columns near the ground level because of their own weight. Also the heavier and higher level weight of them is very disadvantageous in case of earthquake. Reducing building weight is very important for lower cost, structural strength and better safety against earthquake.
- Second, There are Light Weight Joists for wood construction, typically trust joist and solid web joist. Trust joists are usually used for light load such as roof and not strong enough to support floor load. Solid web joists are typically made of plywood web and wooden flanges and strong enough to support floor load. But they don't have any space for utility lines through so that workers have to drill the holes on the web, and those holes weaken the structural strength resulting violation of local building codes sometimes.
- Therefore, there is need for light weight beam or joist, which is strong enough even with holes for utility lines.
- The objective of the present invention is to reinforce beam or joist to obtain more strength. To obtain strength, the metal web of the beam or joist is corrugated in oblique angle or combination of angles to form triangular patterns effecting trust structure on flat sheet panel.
- Another objective is achieved by punching holes in between corrugations to reduce weight and provide space for utility lines through beam or joist that can save overhead room, enable better architectural design and lower construction cost.
- Further objective is to utilize this reinforced sheet metal web with wooden flanges to produce light-weight, metal-wood hybrid joist. This hybrid joist offers great versatility since other materials like panels can be nailed down onto wooden flanges.
- FIG. 1 is a perspective view of corrugation reinforced steel beam.
- FIG. 1A is vertical section view taken along the line A in FIG. 1.
- FIG. 1B is horizontal section view taken along the line B in FIG. 1.
- FIG. 2A and 2B are side elevation view of the beam showing various patterns of trust with combinations of angles and punched holes.
- FIG. 3 is a perspective view of corrugation reinforced hybrid joist.
- FIG. 3A is enlarged view of circled area A in FIG. 3 showing side edge of the web.
- FIG. 4 is enlarged vertical section view of the web joining in the groove of flange with fishing-hook like spikes.
- As shown in FIG. 1, a beam is made of a pair of upper and
lower flanges 10 connected byweb 20. Themetal web 20 is pressed to form corrugates 30 in sizes and numbers as per strength required. FIG. 1A is vertical section view of such corrugated beam taken along the line A in FIG. 1, and FIG. 1B is a horizontal section view of such corrugated beam taken along line B in FIG. 1. - The
corrugation 30 forms triangular pattern of trust structure onweb 20 by various combinations of angles as shown in FIG. 2A and 2B. The pattern can be ‘W’ shaped trust pattern as shown in FIG. 2A or ‘N’ shaped trust pattern as shown in FIG. 2B. -
Holes corrugations 30 in sizes and shapes as per engineering allows such astriangular shape 31 orround shape 32 to reduce weight and provide utility line space. - Metal-Wood hybrid joist has flange made of
wood 11 as shown in FIG. 3, and havinggroove 12 routed in alignment of facing flange. These grooves fit with theedge 21 ofweb 20, on which fishing-hook likespikes 22 are punched. FIG. 3A is enlarged view of circled area A in FIG. 3, showing details of the side edge ofweb 21 withspikes 22. - The
side edge 21 of theweb 20 is fitted intogroove 12 ofwooden flange 11 as shown in FIG. 4. The fishing-hook likespikes 22 are made along the both side ofside edge 21 ofweb 20, where the surface completely fits inside thegroove 12. Thespikes 22 have shape of thorn, leaning to the direction toward the center of theweb 20, thus easily pushed into thegroove 12, but locked inside against the force to pull them back just like fishing-hook. - Corrugated30 and spiked 22 web then assembled with
wooden flanges 11 by press or pressure rollers. The groovedjoint 12 of the web and flange can be secured with glue.
Claims (9)
1. A structural member of beam, comprising;
a pair of spaced flanges facing each other, connected with intervening web having substantially uniform thickness;
repeating patterns of corrugation on the web intermediate the flanges in combination of angles which form triangular pattern of trust structure.
2. A member in accordance with claim 1 , in which the corrugations are in alternating oblique angles in opposite direction, which form ‘W’ shaped trust pattern.
3. A member in accordance with claim 1 , in which the corrugations are in repeating combination of right angle and oblique angles to longitudinal direction, which form ‘N’ shaped trust pattern.
4. A member in accordance with claim 1 , in which the web having punched holes in between the corrugations.
5. A member in accordance with claim 1 , in which the flanges are made of wood.
6. A member in accordance with claim 5 , in which the wooden flanges each having groove extending longitudinally thereof in alignment of facing groove of the other flange, as receptacle to the web.
7. A member in accordance with claim 6 , in which the web has fishing-hook like spikes leaning to the direction toward the center of the web on its side edges, which fit into and lock in the groove of flange.
8. A member in accordance with claim 6 , in which the web is fit into groove of the flange and secured with glue.
9. A member in accordance with claim 6 , in which the flanges are made of veneer lumber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/035,848 US20030115827A1 (en) | 2001-12-26 | 2001-12-26 | Reinforced steel beam and hybrid joist |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/035,848 US20030115827A1 (en) | 2001-12-26 | 2001-12-26 | Reinforced steel beam and hybrid joist |
Publications (1)
Publication Number | Publication Date |
---|---|
US20030115827A1 true US20030115827A1 (en) | 2003-06-26 |
Family
ID=21885151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/035,848 Abandoned US20030115827A1 (en) | 2001-12-26 | 2001-12-26 | Reinforced steel beam and hybrid joist |
Country Status (1)
Country | Link |
---|---|
US (1) | US20030115827A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070022707A1 (en) * | 2005-03-31 | 2007-02-01 | The Boeing Company | Composite structural member having an undulating web and method for forming same |
CN103703196A (en) * | 2011-07-01 | 2014-04-02 | 乌尔玛Cye,S.公司 | Structural member adapted to support a formwork |
US20140311829A1 (en) * | 2013-04-23 | 2014-10-23 | DDI, Inc. | Tree stand |
RU2633721C1 (en) * | 2016-08-24 | 2017-10-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Петербургский государственный университет путей сообщения Императора Александра I" | Wooden beam |
US20190343109A1 (en) * | 2017-04-17 | 2019-11-14 | Doran Ray Bittner | Tree stand |
USD872875S1 (en) * | 2015-11-04 | 2020-01-14 | Pinkwood Ltd. | I-joist |
US20220145631A1 (en) * | 2019-02-18 | 2022-05-12 | Atricon Ab | Building stud, wall structure comprising such a building stud and a method for forming a wall structure |
RU2796282C1 (en) * | 2022-10-06 | 2023-05-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Хакасский государственный университет им. Н.Ф. Катанова" | Plank beam |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4195462A (en) * | 1975-03-14 | 1980-04-01 | Wood I Systems, Inc. | Fabricated wood structural member |
US4715162A (en) * | 1986-01-06 | 1987-12-29 | Trus Joist Corporation | Wooden joist with web members having cut tapered edges and vent slots |
US5588273A (en) * | 1995-02-06 | 1996-12-31 | Csagoly; Paul F. | Structural beam |
US6170218B1 (en) * | 1998-03-06 | 2001-01-09 | Mga Construction Hardware & Steel Fabricating Ltd. | Joist bracing apparatus |
US6173550B1 (en) * | 1993-03-24 | 2001-01-16 | Daniel A. Tingley | Wood I-beam conditioned reinforcement panel |
US6421967B1 (en) * | 1999-10-29 | 2002-07-23 | John D. Wlaker | Space enclosure |
US6526723B2 (en) * | 2001-04-27 | 2003-03-04 | Westbay Holdings, Llc | Draft block system |
-
2001
- 2001-12-26 US US10/035,848 patent/US20030115827A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4195462A (en) * | 1975-03-14 | 1980-04-01 | Wood I Systems, Inc. | Fabricated wood structural member |
US4715162A (en) * | 1986-01-06 | 1987-12-29 | Trus Joist Corporation | Wooden joist with web members having cut tapered edges and vent slots |
US6173550B1 (en) * | 1993-03-24 | 2001-01-16 | Daniel A. Tingley | Wood I-beam conditioned reinforcement panel |
US5588273A (en) * | 1995-02-06 | 1996-12-31 | Csagoly; Paul F. | Structural beam |
US6170218B1 (en) * | 1998-03-06 | 2001-01-09 | Mga Construction Hardware & Steel Fabricating Ltd. | Joist bracing apparatus |
US6421967B1 (en) * | 1999-10-29 | 2002-07-23 | John D. Wlaker | Space enclosure |
US6526723B2 (en) * | 2001-04-27 | 2003-03-04 | Westbay Holdings, Llc | Draft block system |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070022707A1 (en) * | 2005-03-31 | 2007-02-01 | The Boeing Company | Composite structural member having an undulating web and method for forming same |
US7818945B2 (en) * | 2005-03-31 | 2010-10-26 | The Boeing Company | Composite structural member having an undulating web and method for forming same |
CN103703196A (en) * | 2011-07-01 | 2014-04-02 | 乌尔玛Cye,S.公司 | Structural member adapted to support a formwork |
US20140311829A1 (en) * | 2013-04-23 | 2014-10-23 | DDI, Inc. | Tree stand |
USD872875S1 (en) * | 2015-11-04 | 2020-01-14 | Pinkwood Ltd. | I-joist |
RU2633721C1 (en) * | 2016-08-24 | 2017-10-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Петербургский государственный университет путей сообщения Императора Александра I" | Wooden beam |
US20190343109A1 (en) * | 2017-04-17 | 2019-11-14 | Doran Ray Bittner | Tree stand |
US20220145631A1 (en) * | 2019-02-18 | 2022-05-12 | Atricon Ab | Building stud, wall structure comprising such a building stud and a method for forming a wall structure |
US11814844B2 (en) * | 2019-02-18 | 2023-11-14 | Atricon Ab | Building stud, wall structure comprising such a building stud and a method for forming a wall structure |
RU2796282C1 (en) * | 2022-10-06 | 2023-05-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Хакасский государственный университет им. Н.Ф. Катанова" | Plank beam |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4937998A (en) | Structural member | |
US20140311082A1 (en) | Modular wall stud brace | |
US9670676B2 (en) | Truss | |
EP1760212B1 (en) | Skewed girder tie | |
CA2881965C (en) | Truss reinforcement | |
US6212846B1 (en) | Isosceles joist | |
US20030115827A1 (en) | Reinforced steel beam and hybrid joist | |
US20150345133A1 (en) | Structural reinforcement | |
US20210095479A1 (en) | Cross-lamination timber (clt) joint | |
JP2006316454A (en) | Construction material unit | |
US4679370A (en) | Surface-forming panel | |
US6735919B1 (en) | Modular I-beam | |
EP2261434B1 (en) | Roof rafter | |
WO2015135054A1 (en) | Modular wall stud brace | |
EP1953300B1 (en) | Arrangement for joining wood-based construction elements | |
US11142910B2 (en) | Abutting irregular hexagons as beam ties for a dual beam joist supporting a truss | |
EP1251213A2 (en) | Structural timber floor assembly | |
AU2021221853A1 (en) | Improvements relating to building frame braces | |
WO1994019559A1 (en) | Building panels and buildings using the panels | |
AU685429C (en) | Building panels and buildings using the panels | |
GB2608850A (en) | A composite floor beam | |
AU2009355233B2 (en) | Structural reinforcement | |
JPH02256743A (en) | Building structure of wooden housing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |