Experiment 1 Determination Of Water Content 3o2c5v

TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES MANILA

COLLEGE OF ENGINEERING CIVIL ENGINEERING DEPARTMENT

NAME:

DATE:

CRS.YR.SEC:

ENGR. MARJUN B. MACASILHIG

EXPERIMENT NO. 1

Determination of Water Content I.

SIGNIFICANCE OF THE TEST:

Most laboratory tests in soil mechanics require the determination of water content. Water content is defined as w=

II.

𝑊𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑤𝑎𝑡𝑒𝑟 𝑝𝑟𝑒𝑠𝑒𝑛𝑡 𝑖𝑛 𝑎 𝑔𝑖𝑣𝑒𝑛 𝑠𝑜𝑖𝑙 𝑚𝑎𝑠𝑠 𝑤𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑑𝑟𝑦 𝑠𝑜𝑖𝑙

MATERIALS AND APPARATUS: 

Moisture Can(s)



Oven with temperature control



Balance

III. TEST PROCEDURE: 1. Determine the mass (g) of the empty moisture can plus its cap (W1), and also record the number.

2. Place a sample of representative moist soil in the can. Close the can with its cap to avoid loss of moisture.

3. Determine the combined mass (g) of the closed can and moist soil (W2)

4. Remove the cap from the top of the can and place it on the bottom (of the can).

5. Put the can (Step 4) in the oven to dry the soil to a constant weight. In most cases, 24 hours of drying is enough.

6. Determine the combined mass (g) of the dry soil sample plus the can and its cap (W3).

SOIL MECHANICS

LABORATORY

TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES MANILA

COLLEGE OF ENGINEERING CIVIL ENGINEERING DEPARTMENT

IV. CALCULATION: 1. Calculate the mass of moisture = W2 – W3 2. Calculate the mass of dry soil = W3 – W1 3. Calculate the water content w (%) = W3 – W2 x 100 W2 – W1 Report the water content to the nearest 1% or 0.1% as appropriate based on the size of the specimen.

V.

ILLUSTRATION:

SOIL MECHANICS

LABORATORY

TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES MANILA

COLLEGE OF ENGINEERING CIVIL ENGINEERING DEPARTMENT

VI. DATA AND RESULTS Description of Soil: ______________________________

Sample No.: _____________

Location: _____________________________________________________________________ Tested by: ______________________________________

ITEM

Date: __________________

Test No.

Can No. Mass of can, W1 (g) Mass of can + wet soil, W2 (g) Mass of can + dry soil, W3 (g) Mass of moisture, W2 – W3 (g) Mass of dry soil, W3 – W1 (g) Moisture Content

Average moisture content, w = ___________________%

VII.

DISCUSSION

SOIL MECHANICS

LABORATORY

TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES MANILA

COLLEGE OF ENGINEERING CIVIL ENGINEERING DEPARTMENT

VIII.

IX.

CONCLUSION:

RECOMMENDATION

SOIL MECHANICS

LABORATORY