Insights worth sharing

Motives for better Engineering

Coulomb's wedge theory
of earth pressure

Explore horizontal earth pressure,
Coulomb's theory, and its applications.
Compare geotechnical results and
understand the trial wedge method's nuances.

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Baltimore bridge collapse:
What structural engineers can do

Explore the technical content on vessel collision
to calculate the annual frequency of bridge component collapse.

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Seismic Isolation in Structural Design:
Concepts and Applications

Introducing the concept of seismic isolation design.

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Design Standards and Case Studies of Long Span Cable Bridges

SongBrainJan 24, 2024

 

Suspension Bridge Analysis: Melan & Moisseiff's Insights

The Question

 

Moisseiff's Differential Equations

4th-order differential equation

 

Eq(2) is a 4th-order differential equation, and we can imagine it is not simple to solve.

 

Revolutionizing Suspension Bridge Design: Moisseiff's Impact

4th-order differential equation

 

Suspension Bridge Analysis: Peery & Timoshenko Methods

Analysis of suspension bridges - Peery’s methods use integration

 

To calculate the area of influence lines, Simpson’s method has been applied. Simpson’s method results in a very accurate value if the number of divisions is even and each division has the same length.