Problem 4: An advertising billboard is designed to withstand the bending moment during a peak wind speed of 35 m/s. A 1/18 scale model billboard is to be tested in a water channel. Determine (a) the dimensionless parameters, (b) the channel's water velocity to meet dynamic similarity, and (c) if the bending moment of the billboard is measured as 320 N-m in the water channel, what is the expected bending moment for the prototype during peak winds. Assume the fluid properties are as follows: P air = 1.2 kg/m³, P H20 = 1000 kg/m³, µ air = 1.80-10-5 kg/(m·s), and µ H20 = 1.14 · 10-3 kg/(m-s).

Problem 4: An advertising billboard is designed to withstand the bending moment during a peak wind speed of 35 m/s. A 1/18 scale model billboard is to be tested in a water channel. Determine (a) the dimensionless parameters, (b) the channel's water velocity to meet dynamic similarity, and (c) if the bending moment of the billboard is measured as 320 N-m in the water channel, what is the expected bending moment for the prototype during peak winds. Assume the fluid properties are as follows: P air = 1.2 kg/m³, P H20 = 1000 kg/m³, µ air = 1.80-10-5 kg/(m·s), and µ H20 = 1.14 · 10-3 kg/(m-s).

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

Applications of Concrete Framing Systems

A concrete frame is a structure formed by the interconnection of beams and columns to form a structural network. In simple terms, it is the basic skeletal structure of a building or any construction. The concrete framing structure is built on a concrete foundation that forms the base of the entire structure. The concrete frame system is built to support floors, roofs, walls, beams, rafters, joists, etc.

Question

Problem 4: An advertising billboard is designed to withstand the bending moment during a peak wind
speed of 35 m/s. A 1/18 scale model billboard is to be tested in a water channel. Determine (a) the
dimensionless parameters, (b) the channel's water velocity to meet dynamic similarity, and (c) if the
bending moment of the billboard is measured as 320 N-m in the water channel, what is the expected
bending moment for the prototype during peak winds. Assume the fluid properties are as follows:
P air = 1.2 kg/m³, p H20 = 1000 kg/m³, µ air = 1.80-10-5 kg/(m-s), and µ í20 = 1.14 · 10-3 kg/(m:s).

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