Soil Testing Manual: Procedures, Classification Data, and Sampling Practices

Appendix E: Solutions to Problems

Chapter 2

Problem 2.1


Problem 2.2


Problem 2.3


Chapter 3

Problem 3.1

Using Eq. (3.1)


Problem 3.2


Problem 3.3

File no. 1106.01

Job name: Industrial Bldg.

Date

7-15-99

7-15-99

7-15-99

7-15-99

7-15-99

Boring or test pit no.

TP-1

TP-1

TP-1

TP-1

TP-1

Depth of sample

0.5 1.5 ft

1.5 2.5 ft

3.5 4.5 ft

5 6 ft

6.8 7.5 ft

Visual description

Dark brown to black silty sand to clayey sand

Dark brown sandy clay

Dark brown sandy clay

Dark brown sandy clay

Dark brown sandy clay

(a) Water content

Container number

V

W

X

Y

Z

Container mass ( M c)

82.6

81.9

103.3

104.3

101.4

Container + wet soil ( M wc)

440.2

583.3

806.5

893.2

868.8

Container + dry soil ( M dc)

397.3

511.5

700.4

780.5

765.1

Mass of water ( M w)

42.9

71.8

106.1

112.7

103.7

Mass of solids ( M s)

314.7

429.6

597.1

676.2

663.7

(b) Wet density

Number of rings

4

5

4

3

2

Mass of rings

577.6

714.4

578.9

432.3

290.3

Volume of rings ( V)

0.01136 ft 3

0.01420 ft 3

0.01136 ft 3

0.00852 ft 3

0.005681 ft 3

Rings + wet soil

1217.4

1491.1

1225.0

929.4

590.0

Mass of wet soil ( M)

639.8

776.7

646.1

497.1

299.7

(c) Summary of values

Water content [Eq. (3.1)]

13.6

16.7

17.8

16.7

15.6

Wet density [Eq. (3.2)]

124.1 pcf

120.6 pcf

125.4 pcf

128.6 pcf

116.3...

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