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Splice Design

This document summarizes the design of splices for three structural sections: a 100x100x10 angle section, an ISMC 150 section, and an ISMC 300 section. For each section, it calculates the cross-sectional area and force to be carried. It then specifies plate sizes and fillet weld thicknesses to transfer force through each component, and verifies that the provided weld length is sufficient.

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Partha Gangopadhyay
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777 views2 pages

Splice Design

This document summarizes the design of splices for three structural sections: a 100x100x10 angle section, an ISMC 150 section, and an ISMC 300 section. For each section, it calculates the cross-sectional area and force to be carried. It then specifies plate sizes and fillet weld thicknesses to transfer force through each component, and verifies that the provided weld length is sufficient.

Uploaded by

Partha Gangopadhyay
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Design of Splice for 100x100x10 angle section

C/S Area 19.03 cm2


Considering full strength, force to carry = 1650x19.03 = 31399.5 Kg

Use 16 th. 70 wide pl. to be welded on each leg, total area = 22.4 cm2

Force to be transferred through one leg 15699.75 Kg

Use 10 mm th. Fillet weld. Strength of 10 th. Weld = 616 N/mm


= 616 Kg/cm
Weld length required per leg= 26 cm
Use 300x70x16 th. Pl.
Weld length provided = 35 cm O.K.

Design of Splice for ISMC 150 section

C/S Area 20.88 cm2


Considering full strength, force to carry = 1650x20.88 = 34452 Kg

Flange width of ISMC 150 = 75 mm


Flange thickness = 9 mm Flange area = 6.75 cm2
Web height = 132 mm
Web thickness = 5.4 mm Web area = 7.128 cm2

Force to be transferred through each flange = 11137.5 Kg


Force to be transferred through web = 12177 Kg

Use 12 th. 60 wide pl. to be welded on each flange, area = 7.2 cm2

Use 6 mm th. Fillet weld. Strength of 6 th. Weld = 369.6 N/mm


= 369.6 Kg/cm
Weld length required = 32 cm
Use 320x60x12 th. Pl.
Weld length provided = 36 cm O.K.

Use 8 th. 120 wide pl. to be welded onweb, area = 10.4 cm2

Use 6 mm th. Fillet weld. Strength of 6 th. Weld = 369.6 N/mm


= 369.6 Kg/cm
Weld length required = 34 cm
Use 280x120x8 th. Pl.
Weld length provided = 37 cm O.K.
Design of Splice for ISMC 300 section

C/S Area 45.64 cm2


Considering full strength, force to carry = 1650x45.64 = 75306 Kg

Flange width of ISMC 300 = 90 mm


Flange thickness = 13.6 mm Flange area = 12.24 cm2
Web height = 272.8 mm
Web thickness = 7.6 mm Web area = 20.7328 cm2

Force to be transferred through each flange = 20196 Kg


Force to be transferred through web = 34914 Kg

Use 20 th. 65 wide pl. to be welded on each flange, area = 13 cm2

Use 10 mm th. Fillet weld. Strength of 10 th. Weld = 616 N/mm


= 616 Kg/cm
Weld length required = 34 cm
Use 360x60x12 th. Pl.
Weld length provided = 38 cm O.K.

Use 10 th. 270 wide pl. to be welded onweb, area = 27 cm2

Use 10 mm th. Fillet weld. Strength of 10 th. Weld = 616 N/mm


= 616 Kg/cm
Weld length required = 58 cm
Use 360x270x10 th. Pl.
Weld length provided = 65 cm O.K.

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