Practice Example 7-2: Semi-circular Arch (7.2) - INTERNAL FORCES IN STRUCTURES
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Example 7-2: Semi-Circular Arch

Practice - Example 7-2: Semi-Circular Arch

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the shape of a semi-circular arch?

💡 Hint: Think about the shape of the letter 'C' but closed on one side.

Question 2 Easy

What type of loading do we consider for a semi-circular arch?

💡 Hint: It’s the same type of loading that you might find on a flat roof.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What shape is formed by a semi-circular arch?

Square
Triangle
Half Circle
Quarter Circle

💡 Hint: Think of the letter 'C'.

Question 2

True or False: A semi-circular arch can only support vertical loads.

True
False

💡 Hint: Consider how loads can act from different angles.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a 30-foot span semi-circular arch is subjected to a total vertical load of 20 kips, calculate the vertical reaction at the supports.

💡 Hint: How many supports does the arch have?

Challenge 2 Hard

Determine the horizontal reaction at the base of a semi-circular arch with an increased height of 15 feet due to external loads acting off the centroid.

💡 Hint: Consider how the change in height alters the angle of the loading.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.