AASHTO T-245

Stqndard Method of Test for

Resistance to ptastic Frow of B¡tuminous Mixtups Using Marshatl Apparatus AASHTO Designation: T Z4S_9T (2001) 1.

SCOPE

1.1

This method covers the measurement of the resistance to plastic flow of c_ylinclrical specirrrcns bituminous pavingmi)(ture loade«l ,rn th" lur",.tsurlace

rri.

by.,-,,,"n.r olttre t,ta¡st.a.tt apparatrrs..l.hr..

ff[11:;-}[i: ilj'#'i|;fi:,1;::'"'"t 2.

.,*pt'utt'"'"n',

"pn.r,

.,,ii,,,ck.r,.r,

,,,r,r iigr:r,q,,,,.

APPARATUS

2.1

specinten Mokr As.sembly-Mord eyrinders 101.6 mm (4 in.) in dianreter by 16.2mrn (3 in ) in ñeígfrt' base plates, andextension.áIlu.r rÁolf .nnrorr'to trr" á.,a,r, sñ.wn in .fhree Fr.gurc f . cylindcrs arc recommended. -r¡mota I

4%'o.D. 4y.. t.D.

h_

4,ys_

Compaclion Mold

Compaction Mold Syrnmebícal

AboutThis C

L--

a-

4.oos.

Base Plate

Js;á.'D

T

4y.'D

_\(

Compaclion Mold Assembled with Colar and Baso ptat6 Steel-Cadmium plated

Figure

rs-2d

1

-Compaction

tv1«;ld

T 245-1

AASHTO

a.

'!' a?-

Table 1-Table of Equivalents for Figures t and 3 Metric

Metric

Equivalents,

U.S.

Customary Units, in.

mm 0.l l 0.8

o lxLs t,tt2

t.6

l,lto

3.2

U.S. Customary

)7.5

llt

,a

tl

tt2 ft

Units. in.

.i8 7 61.s

a

)t

69.8

I

762

7l.0 82.ó 87.3

l't,

3'/,"

98.4

0.499

4

14.3 ll l,

3.995

I

4

0l .73

1.1

J',',

.1

tr7 tzaó

-5

t28

.! t,

5'/,

J».41

rl,

.to,,,l

t.16.0

1.990

51 .2

".

r08.7

I(».I

t 52..1

l0t.2

4m5

ll.t

J

5 ',,,

r0t.3.5 ¡01 .6

{lnttS.

5,.,,

lt/, )

mm 104.8

130.2

I.3

l't,

C ¡.r¡1,¡¡1,,,.,

-,, .\ /t

38. I

50.8

LI.:i,

Ie n t.s,

6

tl, I

44.4

lv{et¡ic Equiva

I

l

t'.b

34.9

t7

,ti

l'/,

t2.6'7

¿.¿..

mnl

, t6

r.8

3

t).496

ts.s

Customary

28.6

\2.6 12.7

lents,

23.8

6.4 9.5

U.S.

Units, in.

25.4

7.t

Equiva-

19.0

4.8

rt

Metric

Equivalents, mm

^

t58.8

i93

l

(;8-5.8

speci'nten Extractor' steel, in the form of a disk with a «liameter not lcss than lü) ¡"¡ ( r {)j ,r and 12'7 mm 1ll2 in') thick r,'""^t.oating,tri'.nn',no.,.d s¡recimen from thc s¡rccinrcn the usc o[the mord cottu. A sr.titabr",tit i","q"ir.tl tot¡ansfvr the \r,¡d frorn rtrc ,nr ,)rriLj r,,ri dynamometer adapter to the extcnsic,n cwmeter grgc shell be in

0.25-mm (0.0 l -in.) divisions.

Note S--lnstead of the fl