0.2 m 3 0.8 m Mud Pm A retaining wall against a mud slide is to be constructed by placing 0.8-m-high and 0.2-m- wide rectangular concrete blocks ( mass density = 2700 kg/m3) side by side, as shown in the figure. The friction coefficient between the ground and the concrete blocks is f = 0.3, and the density of the mud is about 1800 kg/m3. There is concern that the concrete blocks may slide or tip over the lower left edge as the mud level rises. Determine the mud height at which (a) the blocks will overcome friction and start sliding and (b) the blocks will tip over. m

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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0.2 m
3
0.8 m
Mud
Pm
A retaining wall against a mud slide is to be constructed by placing 0.8-m-high and 0.2-m-
wide rectangular concrete blocks ( mass density = 2700 kg/m3) side by side, as shown in the
figure. The friction coefficient between the ground and the concrete blocks is f = 0.3, and the
density of the mud is about 1800 kg/m3. There is concern that the concrete blocks may slide
or tip over the lower left edge as the mud level rises. Determine the mud height at which (a)
the blocks will overcome friction and start sliding and (b) the blocks will tip over.
Transcribed Image Text:0.2 m 3 0.8 m Mud Pm A retaining wall against a mud slide is to be constructed by placing 0.8-m-high and 0.2-m- wide rectangular concrete blocks ( mass density = 2700 kg/m3) side by side, as shown in the figure. The friction coefficient between the ground and the concrete blocks is f = 0.3, and the density of the mud is about 1800 kg/m3. There is concern that the concrete blocks may slide or tip over the lower left edge as the mud level rises. Determine the mud height at which (a) the blocks will overcome friction and start sliding and (b) the blocks will tip over.
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