Rebar Welding Design 5t5g2
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PROJECT
: REPUBLIC POLYTECHNIC PROJECT
REF
: WELDING CALCULATION FOR REBAR
Objective
: Calculate and proposed welding length to re the Rebar
Design Assumption 1. 2. 3. 4. 5. 6.
These designs have been done based on BS5990-1:2000. Main Bar size Designed yield strength of reinforcement bar and shear link Fillet Weld Size Allowable Stress for Grade 43 steel fillet weld Strength for Grade 43 steel fillet weld
Calculation A. Main Rebar Fillet Weld Size
= 6 mm
Throat Length, a
= 0.7 x 6 mm = 4.2 mm
Length required for welding, Lw
= = 224 mm
Effective length of weld for both sides
= = 112 mm ≃ 115 mm
Actual length of weld for both sides
= 115 + (2 x 6) = 127 mm
Distribute
= 127 + (2 x 6) 2 = 75.5 mm
∴ Required Welding length for T20
= 75.5 mm each side.
Proposed Welding Length for T20
= 80 mm each side.
Typical Welding Connection For Main Bar
= 𝜙 20 mm 2 = 460 N/mm . = 6 mm. 2 = 115 N/mm . 2 = 805 N/mm .
Sheet No Date Designed by Checked by
: 1 of 1 : 4 March 2013 : Utaya Kumar : Jeffrey Yu
: REPUBLIC POLYTECHNIC PROJECT
REF
: WELDING CALCULATION FOR REBAR
Objective
: Calculate and proposed welding length to re the Rebar
Design Assumption 1. 2. 3. 4. 5. 6.
These designs have been done based on BS5990-1:2000. Main Bar size Designed yield strength of reinforcement bar and shear link Fillet Weld Size Allowable Stress for Grade 43 steel fillet weld Strength for Grade 43 steel fillet weld
Calculation A. Main Rebar Fillet Weld Size
= 6 mm
Throat Length, a
= 0.7 x 6 mm = 4.2 mm
Length required for welding, Lw
= = 224 mm
Effective length of weld for both sides
= = 112 mm ≃ 115 mm
Actual length of weld for both sides
= 115 + (2 x 6) = 127 mm
Distribute
= 127 + (2 x 6) 2 = 75.5 mm
∴ Required Welding length for T20
= 75.5 mm each side.
Proposed Welding Length for T20
= 80 mm each side.
Typical Welding Connection For Main Bar
= 𝜙 20 mm 2 = 460 N/mm . = 6 mm. 2 = 115 N/mm . 2 = 805 N/mm .
Sheet No Date Designed by Checked by
: 1 of 1 : 4 March 2013 : Utaya Kumar : Jeffrey Yu
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