The following picture represents a bridge comprised by a continuous horizontal beam AB that has been stiffened by means of a set of pin joined bars. The structure is loaded on the right half of the beam by a distributed load of value w. Please notice that the only element that withstands bending moments is the beam AB All bars and beams sections are square solid 0,2m*0,1m, made of wood E=10 GPa, and max tension/compression=45 MPa. At the end you are requested to upload thesheet with all your calculations together with the ID Consider: a=5m, b=2m, w-300Kg/m Please answer to the following questions a. Order of Hyperstaticity DoH= b. Draw the Bending moment diagram in the beam AB highlighting value at the middle BM= c. Calculate Tension Compression loads in all the bars: Register here numerical value of load in the vertical bar Ncd= d. Assess potential buckling in the bars] e. Horizontal displacement of point B deltab= f. Vertical displacement of points C and D deltac= g. Assess detail location of the whole structure that would fail first (and mode of failure) in case load w increases, assuming that all joints work perfectly N deltad={deltad В a a CO D.

The following picture represents a bridge comprised by a continuous horizontal beam AB that has been stiffened by means of a set of pin joined bars. The structure is loaded on the right half of the beam by a distributed load of value w. Please notice that the only element that withstands bending moments is the beam AB All bars and beams sections are square solid 0,2m*0,1m, made of wood E=10 GPa, and max tension/compression=45 MPa. At the end you are requested to upload thesheet with all your calculations together with the ID Consider: a=5m, b=2m, w-300Kg/m Please answer to the following questions a. Order of Hyperstaticity DoH= b. Draw the Bending moment diagram in the beam AB highlighting value at the middle BM= c. Calculate Tension Compression loads in all the bars: Register here numerical value of load in the vertical bar Ncd= d. Assess potential buckling in the bars] e. Horizontal displacement of point B deltab= f. Vertical displacement of points C and D deltac= g. Assess detail location of the whole structure that would fail first (and mode of failure) in case load w increases, assuming that all joints work perfectly N deltad={deltad В a a CO D.

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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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

The following picture represents a bridge comprised by a continuous horizontal beam AB that has been stiffened by means of a set of pin joined bars.
The structure is loaded on the right half of the beam by a distributed load of value w. Please notice that the only element that withstands bending moments
the beam AB
All bars and beams sections are square solid 0,2m*0,1m, made of wood E=10 GPa, and max tension/compression=45 MPa.
At the end you are requested to upload thesheet with all your calculations together with the ID
Consider: a=5m, b=2m, w=300Kg/m
Please answer to the following questions
a. Order of Hyperstaticity DoH=
b. Draw the Bending moment diagram in the beam AB highlighting value at the middle BM=
c. Calculate Tension Compression loads in all the bars: Register here numerical value of load in the vertical bar Ncd=
d. Assess potential buckling in the bars]
e. Horizontal displacement of point B deltab=
f. Vertical displacement of points C and D deltac=
g. Assess detail location of the whole structure that would fail first (and mode of failure) in case load w increases, assuming that all joints work perfectly
N
deltad={deltad
W
A
В
a
a
b

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