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1. State cofferdam and classify it.

1. State cofferdam and classify it.

Structural Analysis
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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1. State cofferdam and classify it. Illustrate the purpose of using cofferdam structure. From the figure.1 of braced cofferdam shown below: (a) Draw pressure envelope (b) Determine strut load at point A, B, C (c) Determine section modulus for pile section. If oall = 200 MN/m2 All struts are placed 8 m c/c. 2. 3. 9 m 1 m Clay Y= 22 kN/m c = 55 kN/m? 3.5 m 3.5 m p =0 1 m Figure.1 Calculate the lateral force of a wall of height 20 ft with a sand backfill as shown in figure.2. Assume, that the sand is smooth; y = 130 pcf; o = 35° Also find the location of force. 4. Sand H = 20 ft 3 y =130 lb/ft P = 35° Figure.2
Transcribed Image Text:1. State cofferdam and classify it. Illustrate the purpose of using cofferdam structure. From the figure.1 of braced cofferdam shown below: (a) Draw pressure envelope (b) Determine strut load at point A, B, C (c) Determine section modulus for pile section. If oall = 200 MN/m2 All struts are placed 8 m c/c. 2. 3. 9 m 1 m Clay Y= 22 kN/m c = 55 kN/m? 3.5 m 3.5 m p =0 1 m Figure.1 Calculate the lateral force of a wall of height 20 ft with a sand backfill as shown in figure.2. Assume, that the sand is smooth; y = 130 pcf; o = 35° Also find the location of force. 4. Sand H = 20 ft 3 y =130 lb/ft P = 35° Figure.2
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