A vertical Lock gate 2 meter wide remains inposition due to horizontal force of water on oneside. The gate weights 800 kg and just startssliding down when the depth of water uptobottom of the gate decreases to 4 meters. Thenthe coefficient of friction between dock gateand dock wall will be:

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Engineering

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ate weights 800 kg an wn when the depth of he gate decreases to 4 ent of friction between

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

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

A vertical Lock gate 2 meter wide remains in
position due to horizontal force of water on one
side. The gate weights 800 kg and just starts
sliding down when the depth of water upto
bottom of the gate decreases to 4 meters. Then
the coefficient of friction between dock gate
and dock wall will be:

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