Results of a proctor compaction test are as follows; Trial 1: wet density = 126 Ib/ft., moisture content = 5.8% Trial 2: wet density = 128.3 lb/ft., moisture content = 7.0% Trial 3: wet density - 131.5 lb/ft³ , moisture content = 7.5% Trial 4: wet density = 131.5 lb/ft³ , moisture content = 9.2% Trial 5: wet density = 128 lb/ft³ , moisture content = 10.1% What is the nearest maximum dry density and optimum moisture content and PZAV (Zero Air-Voids Density) at optimum moisture content (S.G =2.7 and Pw=62.4 lb/ft³)?

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 6.7P
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Field density test for this project data shows results as follow, pDmax =
130 Ib/ft and wopt = 9 %, And this project requires 98% of laboratory
maximum dry density. With regard to the results of proctor test calculated
in question (3), field compaction meets the requirement.
True
O False
Transcribed Image Text:Field density test for this project data shows results as follow, pDmax = 130 Ib/ft and wopt = 9 %, And this project requires 98% of laboratory maximum dry density. With regard to the results of proctor test calculated in question (3), field compaction meets the requirement. True O False
Results of a proctor compaction test are as follows; Trial 1: wet density =
126 Ib/ft., moisture content = 5.8% Trial 2: wet density = 128.3 lb/ft.,
moisture content = 7.0% Trial 3: wet density - 131.5 lb/ft³ , moisture
content = 7.5% Trial 4: wet density = 131.5 lb/ft³ , moisture content =
9.2% Trial 5: wet density = 128 lb/ft³ , moisture content = 10.1% What is
the nearest maximum dry density and optimum moisture content and
PZAV (Zero Air-Voids Density) at optimum moisture content (S.G =2.7 and
Pw=62.4 Ib/ft3)?
O pDmax = 128 Ib/ft3 , wopt = 7.5%, PZAV = 140 lb/ft3
O pDmax = 130 lb/ft3 , wopt = 9.5%, PZAV = 134 lb/ft3
O pDmax = 132 Ib/ft3 , wopt = 8.3%, PZAV = 137 Ib/ft3
O pDmax = 133 Ib/ft3 , wopt = 10%, PZAV = 130 Ib/ft3
Transcribed Image Text:Results of a proctor compaction test are as follows; Trial 1: wet density = 126 Ib/ft., moisture content = 5.8% Trial 2: wet density = 128.3 lb/ft., moisture content = 7.0% Trial 3: wet density - 131.5 lb/ft³ , moisture content = 7.5% Trial 4: wet density = 131.5 lb/ft³ , moisture content = 9.2% Trial 5: wet density = 128 lb/ft³ , moisture content = 10.1% What is the nearest maximum dry density and optimum moisture content and PZAV (Zero Air-Voids Density) at optimum moisture content (S.G =2.7 and Pw=62.4 Ib/ft3)? O pDmax = 128 Ib/ft3 , wopt = 7.5%, PZAV = 140 lb/ft3 O pDmax = 130 lb/ft3 , wopt = 9.5%, PZAV = 134 lb/ft3 O pDmax = 132 Ib/ft3 , wopt = 8.3%, PZAV = 137 Ib/ft3 O pDmax = 133 Ib/ft3 , wopt = 10%, PZAV = 130 Ib/ft3
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