An earth embankment is to be constructed withcompacted cohesionless soil. The volume of theembankment is 5000 m3 and the target dry unitweight is 16.2 kN/m3. Three nearby sites (seefigure below) have been identified from where therequired soil can be transported to the constructionsite. The void ratios (e) of different sites are shownin the figure. Assume the specific gravity of soilto be 2.7 for all three sites. If the cost oftransporation per km is twice the cost of excavationper m3 of borrow pits, which site would you chooseas the most economic solution? (Use unit weightof water = 10 kN/m3)(a) Site X(b) Site Y(c) Site Z(d) Any of the sitesSite Xe 0.6140 kmConstructionSite100 km80 kmSite ZSite Ye 0.64e= 0.7

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An earth embankment is to be constructed with compacted cohesionless soil. The volume of the embankment is 5000 m3 and the target dry unit weight is 16.2 kN/m³. Three nearby sites (see figure below) have been identified from where the required soil can be transported to the construction unid rotioc (o) of different sites are shown

An earth embankment is to be constructed with compacted cohesionless soil. The volume of the embankment is 5000 m3 and the target dry unit weight is 16.2 kN/m³. Three nearby sites (see figure below) have been identified from where the required soil can be transported to the construction unid rotioc (o) of different sites are shown

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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Example 1 A sand come test has been performed in a competed fill made with the soil described in 21 example 6.1 20 Ydmax 19.0 kN/m³ 19 95% (Yd,max) 18 17 =18.1 kN/m³ S=100% Wo -11.8% 16 0 5 7% 10 w (%) 15 16% 20 25 Initial mass of sand cone apparatus = 5.912 kg Final mass of sand cone apparatus = 2.378 kg Mass of soil recovered from hole = 2.883 kg Moisture content of soil from hole = 7.0% Density of sand = 1300 kg/m³ Volume of cone below valve = 1.114 x 10-3 m³
Consolidation of Settlemint
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6. It is required to transport a soil from a source location to the construction site. The specific gravity of the soil is 2.65 and the water content is measured as 10%. The capacity of the trucks, that will be used to transport the soil, is 20,000 kg. If the volume of soil placed in each truck is 9m³, what should be the minimum void ratio so the capacity of the truck is not exceeded.
_If the soil has discharge velocity is 9*10-7cm/s and the voids ratio of 0.5, then the seepage velocity will be -
A fill having volume of 150000 m³ is to be constructed at a void ratio of 0.8. The borrow pit solid has a void ratio of 1.4. The volume of soil required to be excavated from the borrow pit will be (a) 150000 m³ (c) 250000 m³ (b) 200000 m³ (d) 300000 m³
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