1 (a) (b) The results shown in Table QA1 were obtained by a group of students during a laboratory experiment using a standard Proctor test on granular material. Table QA1 Bulk density Water content (Mg/m³) 1.91 2.24 2.31 1.99 1.4 (%) 256 00 8 9 Using the data in Table QA1, plot the corresponding compaction curve and determine the air content corresponding to the optimum water content and maximum dry density for this soil. Is the air content within the range normally specified when at optimum values? (Note you may Assume: G, = 2.7 and pw = 1 Mg/m³) Explain why and when it is essential to determine soil density on construction sites.

1 (a) (b) The results shown in Table QA1 were obtained by a group of students during a laboratory experiment using a standard Proctor test on granular material. Table QA1 Bulk density Water content (Mg/m³) 1.91 2.24 2.31 1.99 1.4 (%) 256 00 8 9 Using the data in Table QA1, plot the corresponding compaction curve and determine the air content corresponding to the optimum water content and maximum dry density for this soil. Is the air content within the range normally specified when at optimum values? (Note you may Assume: G, = 2.7 and pw = 1 Mg/m³) Explain why and when it is essential to determine soil density on construction sites.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter6: Soil Compaction

Section: Chapter Questions

Problem 6.9P

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