A beam will be lifted from the ground by means of a bridge crane, during the construction of the last building for his retirement as a civil engineer. It is intended to lift to a target height of 23m (parameter related to the last two digits of the team leader's code. Note: if the code ends in 00, move to a member with a value greater than or equal to 1). The conditions of the elevator at the load capacity level: It can accelerate to 0,35m/s? Decelerates at 0, 18m/s? It allows to reach a maximum speed of 2.4 m/s Consider conditions from the ground up to the destination point. Neglect the weight of the beam. Based on your experience, it is requested to estimate what the minimum load displacement time will be in order to estimate the operation times related to this process. Determine in curve Y vs t the graph that describes the movement of the system. Evaluate the equation at the calculated time values. find the missing variables, those that are in question, and those that are necessary to find, the step by step is very important, without the step by step the question will be annulled, verify that the result is correct -0, 18m/s² y3 = 23m t 2-3 =? 23m 2. y2=? a =0,35m/s2 t 1-2=? (0,0) Y1 = Om 2-3 OA = Om/s ttotal = t1-2 +t 2-3
A beam will be lifted from the ground by means of a bridge crane, during the construction of the last building for his retirement as a civil engineer. It is intended to lift to a target height of 23m (parameter related to the last two digits of the team leader's code. Note: if the code ends in 00, move to a member with a value greater than or equal to 1). The conditions of the elevator at the load capacity level: It can accelerate to 0,35m/s? Decelerates at 0, 18m/s? It allows to reach a maximum speed of 2.4 m/s Consider conditions from the ground up to the destination point. Neglect the weight of the beam. Based on your experience, it is requested to estimate what the minimum load displacement time will be in order to estimate the operation times related to this process. Determine in curve Y vs t the graph that describes the movement of the system. Evaluate the equation at the calculated time values. find the missing variables, those that are in question, and those that are necessary to find, the step by step is very important, without the step by step the question will be annulled, verify that the result is correct -0, 18m/s² y3 = 23m t 2-3 =? 23m 2. y2=? a =0,35m/s2 t 1-2=? (0,0) Y1 = Om 2-3 OA = Om/s ttotal = t1-2 +t 2-3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A beam will be lifted from the ground by means of a bridge crane, during the construction
of the last building for his retirement as a civil engineer. It is intended to lift to a target
height of 23m (parameter related to the last two digits of the team leader's code. Note: if
the code ends in 00, move to a member with a value greater than or equal to 1).
The conditions of the elevator at the load capacity level:
It can accelerate to 0,35m/s?
Decelerates at 0, 18m/s?
It allows to reach a maximum speed of 2.4 m/s
Consider conditions from the ground up to the destination point.
Neglect the weight of the beam.
Based on your experience, it is requested to estimate what the minimum load
displacement time will be in order to estimate the operation times related to this process.
Determine in curve Y vs t the graph that describes the movement of the system. Evaluate
the equation at the calculated time values.
find the missing variables, those that are in question, and those that are necessary to find,
the step by step is very important, without the step by step the question will be annulled,
verify that the result is correct
US = 0 m/s
a = -0,18m/62
y3 = 23 m
t 2-3 -?
23m
a = 0,35 m/s2
t1.2=?
(0,0)
Y1= Om
o* +2aly-y)
2-3
OA = Om/s
ttotal = t1-2 +t 2-3
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