The preservative contains copper, boric acid, and tebuconazole and is a new generation arsenic-free preservative treatment. It refers to a variety of pine that can bear a total pressure of 10,000 MPa in a nutshell. Browse the shop to add items to your cart. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. Supporting building professionals with custom built services and products. CoNTeNTS: Ensure length. Activate your 30 day free trialto continue reading. We've updated our privacy policy. Spanman is suitable for houses, commercial and institutional buildings. Preservative treatment is used to protect timber from decay, insects, and marine borer attack, and extend the life of timber products. Studs are the main construction of the timber in walls. The American Wood Council (AWC) provided technical guidance for CWCs development of the US version. Hip Gable (Cathedral or flat ceiling) Skillion Hip and valley Dutch Hip (or Dutch Gable), AS 1684 SPAN TABLES Roof Framing Typical Members, Top plate Rafter Strut Ridgeboard Collar tie Top plate Underpurlin Ceiling joist Strutting beam Strut, AS 1684 SPAN TABLES Roof Framing - Transferring loads to Pitched Roof. Suitable for high and low decks. May support loadbearing walls perpendicular to joists. RISA is integrated with Canadian Building Code, International Building Code and California Building Code. Its simple intuitive user friendly format makes it an ideal framing sizing tool for architects, building designers, specifiers, builders and engineers. Go to www.education.WoodSolutions.com.au. Wind Classification N1 & N2. Sizing Timber Part 2 Span Tables You. 2 no It is concrete slab flooring system. Maximum cantilever length is 30% of the backspan. AS 1684 Span Tables Roof Member Load Impacts Without Ridge Struts. AS 1684 SPAN TABLES Roof Framing Batten Size Example Inputs required, Wind Classification = N2 Timber Stress Grade = F8 Roof Type = Steel Sheet (20 kg/m 2 ) Batten Spacing = 900 mm Batten Span = 900 mm, AS 1684 SPAN TABLES Roof Framing Batten Size Example, 2006 Simplify table Wind Classification N2 Roof Type - Steel Sheet (20 kg/m 2 ) Timber Stress Grade F8 Batten Spacing = 900 mm Batten Span = 900 mm, AS 1684 SPAN TABLES Rafter Design - Cathedral Roof Scenario. Regular inspections and maintenance can reduce the severity of exposure and extend the life of the timber product. Activate your 30 day free trialto unlock unlimited reading. the bearer span table. Hyne Design v6 provides design solutions in both single member and span table format and includes Hyne Assist. how to use AS1684 span tables . Part 1 relates to design criteria that can be used as a basis for the preparation of span tables and design data for the other parts. LOSP is a solvent-borne preservative treatment of pine timber. AS1684 parts 1, 2 and 3 relate to residential timber framed construction. There is also the ability to undertake a material costing for the design being undertaken. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. For hardboard bracing walls rated at 3.4 kN/m, tie-down required is nominal fixing only. Bearers are sized according to span and spacings typically a 1.8m (up to 3.6m) grid Bea rer spa cin Bearer Spacing Be are r s pa n Bearer Span, AS 1684 Span Tables Floor Framing Floor Load Width Example, If a = 900 mm x = 2000 mm y = 4000 mm FLW A = 1900 mm FLW B = 3000 mm FLW C = 2000 mm, AS 1684 Span Tables Floor Framing Bearer and Floor Joist Example, Simple rectangular shaped light-weight home Gable Roof =25 o pitch Steel Sheet = 20 kg/m 2 Wind Speed = N2 Wall Height = 2400 mm, Bearers Floor joists 3600 Section 4500 Elevation, AS 1684 Span Tables Floor Framing Bearer Design Example, Floor Load Width (FLW) Bearers at 1800 mm centres FLW A = 1800/2 = 900 mm Bearer A Supports both a Roof Load And a floor load, a = 496 mm x = 1986 mm Total RLW On Wall A = 1986 mm (say 2000 mm) + 496 mm (say 500 mm) = 2500 mm RL W, Wind Classification Stress Grade = N2 = F17 Floor Load Width (FLW) at A = 900 mm Roof Load Width (RLW) = 2500 mm Single or Continuous Span = Continuous Roof Mass (Sheet or Tile) = Steel Sheet (20 kg/m 2 ) Bearer Span = 1800 mm, Wind Classification = N2 Stress Grade Floor Load Width (FLW) at A Roof Mass (Sheet or Tile) Single or Continuous Span Roof Load Width (RLW) Bearer Span = F17 = 900 mm = Steel Sheet (20 kg/m2) = Continuous = 2500 mm = 1800mm 2 x 90 x 35mm F17 members joined together are adequate Use 1200 mm table Use 4500 mm, AS 1684 Span Tables Floor Joist Design Example Inputs required, Wind Classification Stress Grade Roof Load Width (RLW) (just supporting floor loads) Single or Continuous Span Roof Type Joist Spacing = N2 = F17 = 0 mm = Continuous (max 1800) = Steel Sheet (20 kg/m 2 ) = 450 mm, Floor Framing Floor Joist Design Example, 2006 Simplify table 90 x 35mm F17 floor joists at 450mm crs are adequate At least 1800 mm Inputs required Wind Classification = N2 Stress Grade Joist Spacing Roof Type Single or Continuous Span Roof Load Width (RLW) Joist span = F17 = 450 mm = Steel Sheet (20 kg/m2) = Continuous (max 1800) = 0 mm = 1800mm, Further Information Visit www.WoodSolutions.com.au. Step 3: Determine batten spacing - typically 330 mm for tiles, or 450, 600, 900, 1200 mm sheet Step 4: Determine . AS 1684 SPAN TABLES Terminology Wall Construction Loadbearing wall. Wind classifications covered are C1, C2 and C3. The program is noted for its ease and speed making it quick and simple to use. AS1684.2 and 3. Using span tables as1684 2 . The Standard is subject to on-going review and amendments. Step 6 Look up AS1684 Vol 2 Step 7 Choose table reflecting preferred stress grade Step 8 Determine which column in table to select using the previous rafter spacing and single span assumptions. This span is used to determine the size using the Continuous Span tables. Span increases (a function of load paths across openings). A wall that supports roof loads, floor loads or both. Wind Suction DEAD LOAD (structure), Non-Cyclonic Regions A & B only N1 - W28N 100km/h gust N2 - W33N N3 - W41N N4 - W50N 120km/h gust 150km/h gust 180km/h gust, Wind Classification is dependent on : Building height Geographic (or wind) region (A for Victoria) Terrain category (roughness of terrain) Shielding classification (effect of surrounding objects) Topographic classification (effect of hills, ridges, etc. 1 Appraising The Site Freecall Helpline 1800 018 888 2 Ordering Materials 3 Stumps Layout 4 Lay Bearers And Joists. A company specific design program that generates span tables in accordance with input of various parameters. Clipping is a handy way to collect important slides you want to go back to later. Step 3: Determine batten spacing typically 330 mm for tiles, or 450, 600, 900, 1200 mm sheet Step 4: Determine batten span this will be the supporting rafter spacing. Finally fit ant caps to stumps. On some situations it will provide more conservative solutions. It consists of a common insecticide called permethrin and a linseed oil blend, which makes it safe and cost effective. The strutting beam shown supports a single strut that supports an underpurlin. Users of the Standard should ensure that they refer to the latest edition. The main programs RFEM and RSTAB are based on a modular software system. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. AS 1684 Span Tables Strutting Beam Design Example Inputs required, Wind Classification Stress Grade Roof Area Supported Strutting Beam Span Single or Continuous Span Roof Mass (Sheet or Tile) = N2 = F8 = 6m 2 = 2900 mm = Single = Steel Sheet (20 kg/m 2 ), AS 1684 Span Tables Strutting Beam Design Example, Roof Area Supported = 6m 2 Roof = Sheet Strutting Beam Span = 2900 mm 2 x 140 x 45 mm F17 members are adequate, AS 1684 Span Tables Wall Framing WALL FRAMING, Timber or metal bracing Common stud Nog ging Wall intersection Jack stud Jamb stud Top plate Lintel She et bracin g Bottom pla te, AS 1684 Span Tables Wall Studs Design Example Inputs required, Wind Classification Stress Grade Notched 20 mm = N2 = MGP10 = Yes Stud Height Rafter/Truss Spacing = 2400 mm = 900 mm Roof Load Width (RLW) = 5000 mm Stud Spacing Roof Type = 450 mm = Steel Sheet (20 kg/m 2 ) Return to menu, Wall Framing Wall Stud Size 2006 70 x 35mm MGP10 wall studs are adequate At least 5000 mm Simplify table , Wind Classification = N2 Stress Grade Notched 20 mm Stud Spacing Roof Type Rafter/Truss Spacing= 900 mm Roof Load Width (RLW) Stud Height = MGP10 = Yes = 450 mm = Steel Sheet (20 kg/m2) = 5000 mm = 2400 mm, AS 1684 Span Tables Top Plate Design Example Inputs required, Wind Classification Stress Grade = N2 = MGP10 Rafter/Truss Spacing = 900 mm Roof Load Width (RLW) = 5000 mm Stud Spacing Roof Type = 450 mm = Steel Sheet (20 kg/m 2 ) Return to menu, Simplify table 2 x 35x 70mm MGP10 top plates are adequate At least 5000 mm , Wind Classification = N2 Stress Grade Roof Type Rafter/Truss Spacing= 900 mm Tie-Down Spacing Roof Load Width (RLW) Stud Spacing = MGP10 = Steel Sheet (20 kg/m2) = 900 mm = 5000 mm = 450 mm, AS 1684 Span Tables Wall Framing Wall Lintel Design Example Inputs required, Wind Classification Stress Grade Opening size = N2 = F17 = 2400 mm Rafter/Truss Spacing = 900 mm Roof Load Width (RLW) = 2500 mm Roof Type = Steel Sheet (20 kg/m 2 ), 2006 Simplify table A 140 x 35mm F17 Lintel is adequate Use 1200 mm , Wind Classification = N2 Stress Grade Roof Type Roof Load Width (RLW) Rafter/Truss Spacing= 900 mm Opening size = F17 = Steel Sheet (20 kg/m2) = 2500 mm Use 3000 mm = 2400 mm, AS 1684 Span Tables Floor Framing FLOOR FRAMING, AS 1684 Span Tables Floor Framing Floor Members, Floor joists Floor bearers Platform Floor Sheets Perimeter Brickwork, AS 1684 Span Tables Floor Framing Floor Bearers. 2. The loads from roof members often impact on the design of members lower down in the structure. Roof rafters and purlins designed for a full range of wind speeds and roof materials. iii) The sizes given in this table are not suitable where heavy point loads, except those allowed by Clause 4.3.2.4, are supported within the joist span. It is possible to decrease timber member size when: Sharing loads across many members. These ridge and intermediate beams are supported by walls and/or posts at either end. 1/3 (2000 mm) 75 mm Span 1 (2000 mm) 75 mm Span 2 (3925 mm) 75 mm Span 2 is not to be greater than twice Span 1. The design is based on a finite element analysis of the structure, considered as a two dimensional frame, and the stiffness of the connections is adjusted according to the selected degree of stiffness. 2) * denotes 600 mm rafter spacing only. Included in Timber in buildings set. Notes: Cant find what you need, check out other resources that might be closer to the mark. 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