The in situ moisture content of a soil is 18%, and the wet specific gravity is 17.5 kN/m3. The weight relative specificity of soil solids is 2.72. The soil must be excavated and transported to a construction site for use in a compacted landfill. If the specifications require that the soil is compacted with a specific compacted weight of “d comp” (see Table 1) and with the same 18% moisture content. Calculate how many cubic meters of soil must be removed from the borrow area to build a “V comp” volume compacted landfill (see Table 1). calculate also what would be the mass of water (in tons) that must be added to reach a humidity optimum of 23%.
The in situ moisture content of a soil is 18%, and the wet specific gravity is 17.5 kN/m3. The weight relative specificity of soil solids is 2.72. The soil must be excavated and transported to a construction site for use in a compacted landfill. If the specifications require that the soil is compacted with a specific compacted weight of “d comp” (see Table 1) and with the same 18% moisture content. Calculate how many cubic meters of soil must be removed from the borrow area to build a “V comp” volume compacted landfill (see Table 1). calculate also what would be the mass of water (in tons) that must be added to reach a humidity optimum of 23%.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The in situ moisture content of a soil is 18%, and the wet specific gravity is 17.5 kN/m3. The weight relative specificity of soil solids is 2.72. The soil must be excavated and transported to a construction site for use in a compacted landfill. If the specifications require that the soil is compacted with a specific compacted weight of “d comp” (see Table 1) and with the same 18% moisture content. Calculate how many cubic meters of soil must be removed from the borrow area to build a “V comp” volume compacted landfill (see Table 1). calculate also what would be the mass of water (in tons) that must be added to reach a humidity optimum of 23%.
Transcribed Image Text:Area
of loan
loan area
loan area
compacted landfill
A
B
ec
yd comp V comp
yd min
eA
Custo A
ев
Custo B
Custo C
yd max
$/m³
6,93
$/m³
$/m
kN/m3
m3
kN/m3
kN/m3
0,73
8,3
1,04
6,35
0,89
18
5700
17,7
15,2
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