8/11/2019 Expmt_#1 (Water Content)

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DEPARTMENT OF ENGINEERING AND TECHNOLOGY SOIL MECHANICS SECTION

Name:______________________________ Student I.D. No._________________Course:_____________________________Subject:_______________________Semester and Year: ___________________ Time and Days:_________________Grade:______________________________ Instructor:_____________________

EXPERIMENT No. 1(WATE C!NTENT DETE"INATI!N#

E$EENCESAST" D%%&' (AST" Standards sec. )o*. .+,#AAS-T! T%' (Standard S/eci0ications 0or Trans/ortationa* "ateria*s and

"et1ods o0 Sam/*in2 and Testin23 4art II#

"ATEIA5S AND A44AAT6S&. "oisture cans%. !)en 7it1 tem/erature contro*8. 9a*ance sensiti)e to +.+& 2rams

4!CED6E&. Determine t1e 7ei21t o0 t1e moisture can /*us co)er and record as Wc. (9e

sure to *abe* and record t1e *abe* o0 eac1 moisture cans#.%. 4*ace a re/resentati)e sam/*e o0 7et soi* in t1e can.

a. To /ro)ide a reasonab*e accurate resu*ts3 t1e 0o**o7in2

re/resentati)e 7et soi* sam/*e 7ei21ts are recommended.

Max size of soil particles Recommended minimum(95-100% passes the given sieve) sample eight (grams)

No. (.; mm# &++No. + (+.%+ mm# &+ to +&%. mm 8++

b. Co)er t1e can 7it1 its ca/ to a)oid *oss o0 7ater.8. Determine t1e 7ei21t o0 t1e c*osed can /*us 7et soi* and record as Wa.. emo)e t1e co)er and /*ace t1e sam/*e in t1e o)en (it is a usua* /ractice to

/*ace t1e co)er on t1e bottom o0 t1e can#.. Dry t1e sam/*e to a constant tem/erature o0 &&+ /*us or minus de2ree

centi2rade.a. Dryin2 t1e soi* 0or % 1ours or at *east o)erni21t (&% to &, 1ours# is

enou21 in most cases to attain a constant sam/*e 7ei21t and t1at7ei21t cou*d be used 0or t1e 7ei21t o0 dry soi*.

b. A tem/erature o0 '+ de2rees centi2rade may be used 0or some soi*s7it1 tem/erature sensiti)e /ro/erties suc1 as /eat and 1i21*y or2anicsoi*s since usin2 an o)en tem/erature o0 &&+ de2rees centi2rademay a00ect t1e /ro/erties o0 t1ese soi*s.

'. !btain t1e 7ei21t o0 dry soi* /*us can 7it1 co)er and record as Wb.a. 9e care0u* in 1and*in2 t1e 1ot container. 6se a /air o0 ton2s or

2*o)es.b. I0 a dessicator is a)ai*ab*e and 71en it is desired to measure t1e

7ei21t a0ter coo*in23 /*ace t1e soi* sam/*e inside t1e dessicator sot1at t1e soi* does not absorb 7ater 0rom t1e *aboratory atmos/1ere.

;. Com/ute t1e 7ater content usin2 t1e 2i)en 0orm.

Republic of the Philippines

DAVAO ORIENTAL STATE COLLEGE OF SCIENCE AND TECHNOLOGY"ati3 Da)ao !rienta*