10.17 A 4.0 m thick fill is to be made of a soil with a Proctor maximum dry unit weight of19.4 kN/m² and an optimum moisture content of 13.0%. This fill will be compacted atoptimum moisture content to an average relative compaction of 92%. The underlyingsoils are as shown in Figure 10.26. Consolidation tests were performed at Points A and B,with the following results:SampleAСс0.59Cr ୧୦0.19 1.90σ (kPa)75B0.37 0.141.21100The silty sand is normally consolidated.Using hand computations, determine theultimate consolidation settlement due to the weight of this fill.

Answered: 10.17 A 4.0 m thick fill is to be made…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.16P

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CEN 333 Geotechnical
The results of a laboratory consolidation test on a clay sample are given below: Pressure, p (kN/m²) Void ratio, e 23.94 1.112 47.88 1.105 95.76 1.080 191.52 0.985 383.04 0.850 766.08 0.731 (43) a) Draw an e-log p plot. (44) b) Determine the pre-consolidation pressure, p. . (45) c) Find the compression index, Ce. Appendix For ø=35°, N¸=57.8, N,=41.4, and N,=41.1. o,'=0;'tan²| 45°+ +2c tan| 45°+
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Show solution. The answer must be 8.22 x10^-10 ft/sec
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Two identically clay samples of the same size designated as A and B are subjected to consolidation under identical conditions. Drainage takes place through one face in sample A and through both the faces in sample B. 50% consolidation of sample A occurs in 10 minutes. The time required for 50 % consolidation to occur in sample B in minutes will be. (a) 40 (c) 5 (b) 10 (d) 2.5
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