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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.

Structural Analysis
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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-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) (%) 2 5 6 8 9 1.91 2.24 2.31 1.99 1.4 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: Gs = 2.7 and pw = 1 Mg/m³) Explain why and when it is essential to determine soil density on construction sites.
Transcribed Image Text:-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) (%) 2 5 6 8 9 1.91 2.24 2.31 1.99 1.4 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: Gs = 2.7 and pw = 1 Mg/m³) Explain why and when it is essential to determine soil density on construction sites.
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