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Updated 01-04-2020 at 09:13 PM by munirgadkari

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Dear ALL..
KINDLY SHARE BELOW ASTM STANDARDS AT THE SOONEST... MANY THANKS IN ADVANCE...
ASTM F36
ASTM F37
ASTM F38
ASTM F104
ASTM F146
ASTM F147
ASTM F148
ASTM F152
ASTM F495
ASTM F607
ASTM F806
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ASTM F1276
ASTM F1315
ASTM F1574

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FAC Inspection program

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if there anyone can share AWS D1.2 2014 ???. or u can email me at zanuya10@gmail.com

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Hello*

I am doing the branch tee reinforcement pad requirement calculation according to EN 13480-3 section 8.4.3. I have some queries as below.

(1) In Equation 8.4.3-4 ( lpl <= ls). I have calculated the effective reinforcement of shell pipe (ls) value according to equation 8.4.1-2 which is coming around 190 mm. So According to the equation I can use the reinforcement pad width less than ls means less than 190 mm. If I follow the above equation * it will never satisfy the final equation 8.4.3-6. it seems this equation is not correct.
If code restrict the reinforcement pad width how we can satisfy the final equation without increasing the pad width where reinforcement pad width is also limited to eas according to equation 8.4.3-5. Refer attached code page attachment (EN13480-3-Page-82.pdf). Please suggest.

(2) EN13480-3 equation 8.4.3-5 condition eapl<=eas shall be satisfy.
I am using the reinforcement pad thickness same as shell thickness* means pad will be cut from shell pipe during fabrication.

I am using the nominal pad thickness same as shell thickness 16 mm with assuming same corrosion allowances. Refer below calculation.
My nominal shell thickness en=16 mm. c0=3.4* c1=0.3 mm.so eas=16-3.4-0.3= 12.3 mm.
Plate thickness used enpl=16mm. c0=3.4* c1=0.3 mm. so eapl=12.3 mm.

Is my calculation & understanding is correct.

As in brief above code restrict the reinforcement pad thickness as well as width to compensate the cutting area for branch.

Please find attached my detail calculation. (Terna Reinforcement pad Calculation30052017.pdf)

Tags: branch reinforcement pad, corrosion allowance, en13480-3, en13480-3:2012, tee reinforcing pads

Categories

Petrochemical , Industrial / Manufacturing Engineers , Engineering Codes, Standards & Certifications , General & petroleum News , Miscellaneous

Hello*

I am doing the branch tee reinforcement pad requirement calculation according to EN 13480-3 section 8.4.3. I have some queries as below.

(1) In Equation 8.4.3-4 ( lpl <= ls). I have calculated the effective reinforcement of shell pipe (ls) value according to equation 8.4.1-2 which is coming around 190 mm. So According to the equation I can use the reinforcement pad width less than ls means less than 190 mm. If I follow the above equation * it will never satisfy the final equation 8.4.3-6. it seems this equation is not correct.
If code restrict the reinforcement pad width how we can satisfy the final equation without increasing the pad width where reinforcement pad width is also limited to eas according to equation 8.4.3-5. Refer attached code page attachment (EN13480-3-Page-82.pdf). Please suggest.

(2) EN13480-3 equation 8.4.3-5 condition eapl<=eas shall be satisfy.
I am using the reinforcement pad thickness same as shell thickness* means pad will be cut from shell pipe during fabrication.

I am using the nominal pad thickness same as shell thickness 16 mm with assuming same corrosion allowances. Refer below calculation.
My nominal shell thickness en=16 mm. c0=3.4* c1=0.3 mm.so eas=16-3.4-0.3= 12.3 mm.
Plate thickness used enpl=16mm. c0=3.4* c1=0.3 mm. so eapl=12.3 mm.

Is my calculation & understanding is correct.

As in brief above code restrict the reinforcement pad thickness as well as width to compensate the cutting area for branch.

Please find attached my detail calculation. (Terna Reinforcement pad Calculation30052017.pdf)

Tags: branch reinforcement pad, corrosion allowance, en13480-3, en13480-3:2012, tee reinforcing pads

Categories

Petrochemical , Industrial / Manufacturing Engineers , Engineering Codes, Standards & Certifications , General & petroleum News , Miscellaneous

Attached Files

• EN13480-3-Page-82.pdf (424.7 KB, 527 views)
• Terna Reinforcement pad Calculation30052017.pdf (29.7 KB, 578 views)

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