ESSENTIAL TECHNICAL DATA ON STEEL REINFORCEMENT

1 ESSENTIAL TECHNICAL DATA ON STEEL 2 About OneSteel ReinforcingReinventing reinforcing with innovative construction and mining solutions 500 PLUS REBAR The first high strength reinforcing barPFX - The Prefab Experts - PFX is the new name for Australia s prefab experts who you can rely on at every step of the prefab process through planning, production and delivery. Our prefab solutions include five innovative products such as PROPILE, PROCAGE, CUSTOMCAGE, BAMTEC and BARMAT .500 PLUS ROMTECH An innovative tunnel support system of rebar girdersONESLAB Our complete supply package for housing slabsONEMESH Wide range of square, rectangular and trench meshesHANDIMESH General purpose welded wire mesh sheets and rollsUTEMESH Compact, easy to carry mesh for driveways, paths and patiosMINEMESH Tailored roof support system for coal & metalliferous minesOneSteel reinforcing is a leading supplier of STEEL reinforcing solutions for commercial, residential, civil construction including rural, industrial and mining applications.

2 A national branch and distributor network services customers Australia wide by supplying quality STEEL reinforcing products to Australia s largest construction companies through to the home renovator. OneSteel reinforcing was one of the first rebar and mesh processors in Australia to receive Quality Compliance Certification from the Australian Certification Authority for reinforcing Steels (ACRS). This helps to ensure that Australia's construction standards are met with the use of compliant materials. 3 Along with REODATA, we also have a range of reinforcing essentials, guides and resources that will benefit your next project, including:REO CALCULATOR for STEEL REINFORCEMENT area WIRE GAUGE for measuring REOMESH wire BAR GAUGE for measuring REBAR PRODUCT & SERVICES CATALOGUE A comprehensive guide to reinforcing products, services and the online resource for products, TECHNICAL data, case studies and testimonials that s right at your the online resource to a comprehensive solution to our YouTube channel where you can see our products and services in action and listen to our customers talking about the benefits they get from using our reinforcing solutions.

3 FACEBOOK our Facebook page where you will get the latest updates on news, case studies and keep you up to date on all our reinforcing products, visit the Subscribe page at 4 ContentsOneSteel reinforcing and Green Star STEEL Credit Points 5 Green Building Council Documentation Requirements 6 REBAR & REO WIRE Product Designations 7500 PLUS REBAR Identification Markings 8500 PLUS REBAR Stock Lengths & Approximate Lengths per Tonne 10500 PLUS REBAR Detailing Information 11 Stress Development & Lap Splicing of Straight Deformed bars in Tension 13 Positioning Tolerances for REINFORCEMENT to AS 3600 : 2009 23 Calculating reinforcing & Accessory Quantities 24500 PLUS REBAR Standard Hooks and Cogs 25 Minimum Dimensions for Standard Hooks and Cogs Processed to AS 3600 : 2009 26 Processing 500 PLUS REBAR to AS 3600 : 2009 27 Processing 500 PLUS REBAR and Wire to AS 3600 : 2009 28 Bending & Rebending 500 PLUS REBAR 29 Heating & Welding 500 PLUS REBAR 31 Threading 500 PLUS REBAR 32500 PLUS REIDBAR 33 PFX Product Solutions 34 PROPILE and PROCAGE 35 BAMTEC 36 BARMAT 36 CUSTOMCAGE 37500 PLUS ROMTECH Tunnel Girders 38 POOLSTEEL 39 ONEMESH Square & Rectangular 40 ONEMESH Trench Mesh 41 Lapped Splices for ONEMESH Mesh in Tension or Compression 42 ONEMESH Identification Markings 43 Footing Cages 44 UTEMESH 45 Accessories - Concrete & Building 46 Reinforced Concrete Thesaurus 48 Imperial to Metric Units Conversion Table 53 Mass Densities of Materials 54 Basic Support Reaction, Bending Moment & Deflection Formulae 55 STEEL REINFORCEMENT Standards & Relevant Concrete Construction Standards 56 OneSteel reinforcing REOMESH & REBAR are ACRS accredited 61 STEEL REINFORCEMENT Institute of Australia (SRIA)

4 TECHNICAL Notes 62 OneSteel reinforcing Branch Locations 63 5In 2015, the Green Building Council of Australia updated its Design and As Built Guidelines. The following lists the STEEL Credit points available under the current guidelines : Life Cycle Impacts - STEEL Credit - Points available: 1 One point is available where project teams can demonstrate a 5% reduction in the mass of reinforcing STEEL used in the building when compared to standard practice Responsible Building Materials Credit 20 - Points available: 1 One point is available where 95% of the building's STEEL (by mass) is sourced from a responsible STEEL maker; and at least 60% (by mass) of all reinforcing bar and mesh is produced using an energy reducing process in its manufacture (measured by average mass by STEEL maker annually). Additionally, OneSteel reinforcing can assist in the achievement of additional points under the Sustainable Products Credit 21. Under path 21C OneSteel reinforcing can provide an Environmental Product Declaration (EPD) - Product reinforcing & Green Star STEEL Credit Points 6 OneSteel has a valid ISO 14001 Environmental Management System in place.

5 OneSteel is a member of the World STEEL Association's Climate Action Programme. At least 60% of OneSteel reinforcing STEEL is produced using Polymer injection Technology - an energy reducing process in manufacturing. At least 95% of all OneSteel reinforcing REBAR and REOMESH meets or exceeds 500 MPa strength grade. A 5% reduction in the mass of reinforcing STEEL used in the building when compared to standard more information on Green Star related products visit Engineered reinforcing Bar Carpet (BAMTEC) - reinforcing bars fabricated offsite for rolling out onsite. bars can be spaced to match original design intent. Engineered/Customised mesh (BARMAT) - Run-to-length, tailored Class N and high ductility, special size, engineered mesh, variable wire/bar diameters and spacings. Prefabricated reinforcing Cages (PFX) - Prefabricated reinforcing Cages for concrete elements such as slabs, walls, cores, columns, piles and beams. Couplers - OneSteel reinforcing can provide the best coupler option to reduce lapping for columns and reinforcing can help achieve the Green Star STEEL credit requirements which are outlined below:How OneSteel reinforcing can assist in the reduction of STEEL mass 7 REBAR & REO WIRE Product DesignationsAS/NZS 4671*DesignationOneSteel Designation**Yield Stress (MPa)Ductility Class**Product Description Source Material TypeSize RangeD5 OON_N_500 NHot rolled deformed rebar (500 PLUS REBAR)TEMPCORE (TC)MICROALLOY (MA)CONTISTRETCH (CS) N12 N40 straight stock lengthsN10, N12, N16 and N20 off coilR250N_R_250 Hot rolled round rebarMild SteelR6, R10, R12 off coilR16 R28 straight stock lengthsD25ON_** S_Hot rolled deformed rebar(POOLSTEEL )S12 straight stock lengthsD5 OOL_RW_500 LCold rolled ribbed wireRW5 RW12 off coil and straight stock lengthsR5 OOL_W_Cold drawn round wireW4 W12 off coil and straight stock lengths* AS/NZS 4671.

6 2001 STEEL reinforcing materials ** _ indicates bar diameter (mm) ** Uniform Strain Limits N : Normal ( 5%) L : Low ( ) ** POOLSTEEL D = Deformed, R = Round, N = Normal Ductility, L = Low Ductility, S = Structural, RW = Ribbed Wire, W = Wire 8 REBAR Identification MarkingsTEMPCOREREBARMICROALLOYREBARCONT ISTRETCHREBARI dentification markings are rolled into the different types of REBAR so the manufacturing facility of origin and STEEL type can be identified. The identifiers for REBAR have been standardised as a combination of horizontal and/or diagonal marks placed between the ribs at intervals as shown pictorially for each mill:Sydney Bar Mill500N TEMPCORE (TC)250N S12 POOLSTEEL 9 Newcastle Rod Mill500N MICROALLOY (MA)CONTISTRETCHL averton Bar MillLaverton Rod Mill500N TEMPCORE (TC)500N MICROALLOY (MA)REBAR Identification Markings 10500 PLUS REBAR Stock Lengths & Approximate Lengths per TonneBar diameter (mm)Length (m)Length (m/t)Mass (kg/m)* : Shaded areas are standard stock lengths.

7 Not all stock lengths and diameters are available at all branches. * Invoice weight includes rolling margin of 4%REBAR 11500 PLUS REBAR Detailing InformationCross-sectional area (mm2)Bar diameter (mm)Number of Bars101216202428323640178113201314452616 8041020126021562264026289041232160820402 5203234339603942135618482412306037804312 4528041256180824643216408050405390565100 5157022603080402051006300646867812061884 2712369648246120756075467911407219831644 3125628714088208624904160825123616492864 3281601008097021017180928264068554472369 1801134010780113020103140452061608040102 0012600 Mass (kg/m)* Hole Dia. (mm)**121520252934394449* Invoice weight - includes rolling margin of 4% ** Minimum hole diameter for clearanceREBAR 12500 PLUS REBARD etailing InformationCross-sectional area per unit width (mm2/m)Bar diameter (mm)Bar Spacing* (mm)101216202428323640100780113020103140 4520616080401020012600125624904160825123 6164928643281601008015052075313402093301 3410753606800840017544664611491794258335 2045945829720020039056510051570226030804 0205100630022534750289313962009273835734 5335600250312452804125618082464321640805 0402752844117311142164422402924370945823 00260377670104715072053268034004200*Meas ured centre-to-centreREBAR 13 Stress Development & Lap Splicing of Straight Deformed bars in TensionAS 3600 : 2009, Clause requires that the basic development length ( ) to develop the yield stress (fsy) of a straight deformed bar in tension shall be calculated as follows.

8 The value of so calculated shall be multiplied by if lightweight concrete (as defined in AS 3600) is used and/or by for structural elements built with slip accordance with Clause of AS 3600 : 2009, the refined development length ( ) shall be determined as = 29k1db where k1 = for horizontal bars with more than 300 mm of concrete cast below the bars ; or = for all other barsk2 = (132 - db) /100k3 = [ { - (cd-db)/db} ]fsy = characteristic yield stress of the reinforcing bars (500 MPa) db = nominal bar diameter (mm)cd = the least clear concrete cover (mm) to the bars (c), or half the clear distance between adjacent parallel bars developing stress (a), whichever is the lesser (mm), noting that the upper and lower bounds on k3 mean that db cd 3db when substituted into the formula for k3f c = the concrete compressive strength grade, but not to exceed 65 MPa when substituted into above = with k3k4k5 where k4 = [ { - K } ]k5 = [ { - p} ]K & account for transverse REINFORCEMENT - see fig.

9 (B) of AS 3600 : 2009 p = transverse compressive pressure at ultimate load (MPa)k2 f c 14In accordance with Clause of AS 3600 : 2009, the same formulae shall be used appropriately to calculate the basic lap length ( ) or refined lap length ( ). Due account shall be taken of the presence of lapped bars when determining clear distance (a) to calculate cd see figure (opposite). For bars lapped in the same plane, clear distance (a) shall be determined assuming contact lapped splices, lapped bars touching each other, even if the lapped splices are non-contact. A factor k7 also has to be applied in the calculations, according to the following equations (viz. k7= , unless the cross-sectional area of the bars outside the laps equals at least twice the area required for strength, and no more than half the bars are spliced at any section, splices are staggered according to Fig. (ii) of AS 3600, in which case k7 = ):Case of 100% of bars spliced together in one plane (no splices staggered):Non-contact lapped splices have these same values of lap length ( and ) in wide elements or members ( beam flanges, band beams, slabs, walls, blade columns) and also in narrow elements or members where the clear distance (sb) between each pair of bars being spliced does not exceed 3db.

10 Otherwise, in narrow elements or members, lap lengths increase to + or + , if = .. (basic) = 29k1db .. (refined)Stress Development & Lap Splicing of Straight Deformed bars in Tension 15 Stress Development & Lap Splicing of Straight Deformed bars in TensionAS 3600 : 2009 Quick Reference Table Tensile Development Lengths (Basic and Refined ) and Tensile Lap Lengths (Basic and Refined ) (Above Table: refer to page 22)The Table has been derived (with values given in millimetres rounded up to the nearest 10 mm, and also in multiples of bar diameter (db)), with the following assumptions applying: For beam webs and columns, and other types of narrow elements or members, the clear concrete cover (c) shall be the minimum distance from the representative bar to any adjacent concrete surface. The clear distance (a) between adjacent parallel bars developing stress equals at least twice the clear concrete cover (c). A longer lap might be required if this condition is not satisfied.