3 “A bridge pier is to be constructed in a river bed by constructing a cofferdam as shown in Figure below . A cofferdam is temporary enclosure consisting of long, slender elements of steel, concrete, or timber members to support the sides of enclosure. After constructing the cofferdam, the water within it will ‘be pumped out. Determine (@) the flow net rate using k = 1x10™ cm/sec . (b) the factor of safety against piping. The void ratio of the sand is 0.59and assume [=0.3m. 23 A bridge pier is to be constructed in a river bed by constructing a cofferdamas shown in Figure below. A cofferdam is temporary enclosure consisting oflong, slender elements of steel, concrete, or timber members to support thesides of enclosure. After constructing the cofferdam, the water within it willbe pumped out. Determine :(a) the flow net rate using k = 1x10 cm/sec.(b) the factor of safety against piping. The void ratio of the sand is 0.59and|assume 1=0.3 m.3 mTop of sand3 m3 m

flow net- if flow take place in one more than one direction is analyze using Laplace equation which…

Answered: A bridge pier is to be constructed in a…

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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3 “A bridge pier is to be constructed in a river bed by constructing a cofferdam as shown in Figure below . A cofferdam is temporary enclosure consisting of long, slender elements of steel, concrete, or timber members to support the sides of enclosure. After constructing the cofferdam, the water within it will ‘be pumped out. Determine (@) the flow net rate using k = 1x10™ cm/sec . (b) the factor of safety against piping. The void ratio of the sand is 0.59and assume [=0.3m.

23 A bridge pier is to be constructed in a river bed by constructing a cofferdam
as shown in Figure below. A cofferdam is temporary enclosure consisting of
long, slender elements of steel, concrete, or timber members to support the
sides of enclosure. After constructing the cofferdam, the water within it will
be pumped out. Determine :
(a) the flow net rate using k = 1x10 cm/sec.
(b) the factor of safety against piping. The void ratio of the sand is 0.59and
|assume 1=0.3 m.
3 m
Top of sand
3 m
3 m

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