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3. The beam BE is used for hoisting machinery. It is anchored by two bolts at B, and at C it rest on a parapet wall. The essential details are given in the figure. Note that the bolts are threaded as shown in Detail 1 with d=0.620 in. at root of the threads. If this arrangement is used to lift equipment of 10 kN, determine the stress in the bolts BD and the bearing stress at C. Assume that the weight of the beam in negligible in comparison with the loads handled. A B Timber nominal Section 20cm x 30cm Bolts diam. %" 28 cm દ D View A-A 1m C 18 cm 20cm 2.5 m Building 111 P=10 kN Detail 1 D d F E 201 Distributed Force equivalent to F Threaded bolt

3. The beam BE is used for hoisting machinery. It is anchored by two bolts at B, and at C it rest on a parapet wall. The essential details are given in the figure. Note that the bolts are threaded as shown in Detail 1 with d=0.620 in. at root of the threads. If this arrangement is used to lift equipment of 10 kN, determine the stress in the bolts BD and the bearing stress at C. Assume that the weight of the beam in negligible in comparison with the loads handled. A B Timber nominal Section 20cm x 30cm Bolts diam. %" 28 cm દ D View A-A 1m C 18 cm 20cm 2.5 m Building 111 P=10 kN Detail 1 D d F E 201 Distributed Force equivalent to F Threaded bolt

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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3. The beam BE is used for hoisting machinery. It is anchored by two bolts at B, and at C it rest on a parapet wall. The essential details are given in the figure. Note that the bolts are threaded as shown in Detail 1 with d=0.620 in. at root of the threads. If this arrangement is used to lift equipment of 10 kN, determine the stress in the bolts BD and the bearing stress at C. Assume that the weight of the beam in negligible in comparison with the loads handled. A A B Timber nominal Section 20cm x 30cm Bolts diam. ¾" 28 cm D View A-A 1m C₂ 18 cm 20cm Building 2.5 m 111 P=10 kN Detail 1 D d F E 11 Distributed Force equivalent to F Threaded bolt
Transcribed Image Text:3. The beam BE is used for hoisting machinery. It is anchored by two bolts at B, and at C it rest on a parapet wall. The essential details are given in the figure. Note that the bolts are threaded as shown in Detail 1 with d=0.620 in. at root of the threads. If this arrangement is used to lift equipment of 10 kN, determine the stress in the bolts BD and the bearing stress at C. Assume that the weight of the beam in negligible in comparison with the loads handled. A A B Timber nominal Section 20cm x 30cm Bolts diam. ¾" 28 cm D View A-A 1m C₂ 18 cm 20cm Building 2.5 m 111 P=10 kN Detail 1 D d F E 11 Distributed Force equivalent to F Threaded bolt
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