Situation 1 | A built-up beam made from fastening two channels to a wide flange section carries loads' as shown. The fasteners are 12mmØ bolts with allowable shear stress t= 110 MPa. For bearing, Ob= 220MPA for single shear, and ob= 275 MPa for double shear. E=200 GPA. F,=420 MPа.

Situation 1 | A built-up beam made from fastening two channels to a wide flange section carries loads' as shown. The fasteners are 12mmØ bolts with allowable shear stress t= 110 MPa. For bearing, Ob= 220MPA for single shear, and ob= 275 MPa for double shear. E=200 GPA. F,=420 MPа.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter5: Stresses In Beams (basic Topics)

Section: Chapter Questions

Problem 5.11.11P: The three beams shown have approximately the same cross-sectional area. Beam 1 is a W 14 X 82 with...

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Concept explainers

Bending Moment

In general, we can define the bending moment as the reaction induced when a certain amount of load or force is applied to an element which makes it bend.

Question

Determine the spacing of the bolts.

Situation 1 | A built-up beam made from fastening two channels to a wide flange section carries
loads` as shown. The fasteners are 12mmØ bolts with allowable shear stress t= 110 MPa. For
bearing, O6= 220MPA for single shear, and Ob= 275 MPa for double shear. E=200 GPA. Fy=420
МРа.
16 KN/m
10 KN/m
D
E
4m
_1.35m
3.15m
1.5m
210mm
180mm
12mm
9mm
180mm
210mm
238 mm
wwo6

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