Báo cáo thí nghiệm SILICAT đại cương - Pdf 30

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# ! 
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 !"#
A.  !"#7999#<
1. ##
1.1 Mục đích thí nhiệm phân tích nhiệt:
• 
 !"
• #$ !%&'()*+,-
 !$ !"./0- !$ !1$234 $
%05/67-)89":; 6189)< 6#=>
-#6189"
• .?461 !89@"
1.2 Lý thuyết của quá trình phân tích đường cong DTA:
AB6! !%89C89 $&D ! !"E
CF6GH& +< @ !$ !
- !% $"I(+'F )F2?JAK6
L
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O2P'
QM')6)'R 568C"


B. "#=> !?(4@
1. Mục đích của thí nghiệm:
• I-6 !6+;5+-j)8 )
& +< 67*G& +< S-6 ! ". !
68%H?5)0H
 != 6 )"
• m#Y+ !)62? n )
^@,U.U&) AoUU"
• Q3pH5)#@461
Y)89"
1.1 7ABCDEFGHIJKLMNOHPQM(R4BS97QTBUVJHMWQMQBE9MXSYZOMHPOM
HMDOMLM[OFME\O]QTBUVJ$
a) ZOMHPOMUVJH^]_KOY`(RaBS

MAU_TRUOC HAP
MAU_TRUOC HAP - File: MAU_TRUOC HAP.raw - Type: 2Th/Th locked - Start: 10.000 ° - End: 49.990 ° - Step: 0.030 ° - Step time: 1. s - Temp.: 25 °C (Room) - Time Started: 12 s - 2-Theta: 10.00
Lin (Counts)
0
100
200
300
400
500
600
700
800
900
1000
1100

d=3.79109
d=3.05758
d=2.86761
d=2.78199
d=2.68075
d=2.59116
d=2.52930
d=2.49004
d=2.44948
d=2.21581
d=1.89796
bOM$&$m<^q.89)@
# ! e

A .()+5-@^Aq)Y)89)')e
1%8$V 2
6
6616r"ssfNfpN"rtftpN"fsrsu
e"LLrLf"
A I)?V +5-@Y)89C
E)oM
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OMgP
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A I +3==2
6
Y)Gh6 'U8h=(8Y)
H')=(?VY)6=)b
c

62
6
wu"Nrseu2
6
wr"NuveV F%#; '@62
89@"
1.2. 7ABCDELMNOHPQMOM_oHC_iB_p7QTBUVJY\HMWQMQBE$
R7XSq\QYZOMCD]_K_HMPQMQ\QIJ\HabOMr_GOYe_MjBdsMEtQQMJSkO
Ye_LMBmOGJQjn
R Ar_GOYe_FMu_dvwO]HvxO]gO]Cy_M_oJgO]iJzHM_oOHafO7
# ! s

.()+5-@ !.IKI]"I)F.IKN5
/C)"
1) :  !%-sf
M
Eb-)5/8V67'; 6189
 -8L"Lux=V &)
2) {BF&
 !%&b-vf
M
E
 !%+,b-us
M
E
 !% !$6Vbr'e
M
E
g !$ !'-)5/4iE)oM
e

• ^; 61 4Y)&% 8j"
# ! v

• ^8618 OQ:P 8j"
• ^8H%6VY)"
• BF%89 8j>rLu< "
2. 7#
- E@@
- QHG)
- ^ 8jv
- E=6V
- ouf8 c
- I8 6V
- zLff86b
- I)c&)%bL
- .)
- _%233 )O 86Vc 8lP
- L@/HcL8Y 
- _% cnc)26 "
3. 4/|#
3.1 (\QYZOMY}c~EH_fJQMJhOmdvwO]OvyQH_fJQMJhOn
a) sHMJSGHQxrKO
B%2y CY)T 8j1& 4&Dx61V% C=
V ; 61 8j"{1V) 8j !83b
AEV 8j)8 )-$)04 8j
O +8-|eA|N61V CP"
A{8G)TO 8jcVPY6 %4-8&- !@O +8
-L|NAN|e61V CP"
{1V CFiLeANfx61 8jH"{1V3
%+;=)b

o\2361VC~4%T'%L89OL@/HP
4TF "
• IF  )H1&D5)=%6,=@Y)8% 86 T
 8j%2y C+ 1 5"
• IF  )&HOI
&
P6F  )i6,&% 8jV 
VV  T 8j82yOƒes,P"
• IF  )+,HOI

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+ T 8j/ 4'T$6 &6(
OdNrs,P"
rn\QrvyQH_GOMDOM
A EC&233 )"
A m-  48)' S„)Y)233} )14%(2"
A B S„ 8„ )%- „f  8} )/8"
A : 48)%Y) 8} )"
A •8%6V2F8l@8&2V "
A .? 8} )l'C6 233} )"
A EC&T 8j !84F  )H"
# ! u

A : V' 6 F  )
"
A B@$)89\233} )' 8l;=8TT 
~8'=)8> 8# (2'=)Nf='0 )"
o)$Nf, 80;8%6p  8f's‚88 6 
F  48&H
L

- {8==
- E@sf 8j"o)< 8j@='5/=1U8
+,+8X ,61 8j605)@H5f'fs"
- BU8@h6 =
- B%8Y) 8j6„=; G); 6189h6 @; 61
89&)'&Dx"
%$2(\QYZOMFMu_dvwO]a_fO]QTBr}Hq_U•O]
BnsHMJSGHQxrKO
# ! t

:; 614Y)&% 8j…68%„ & + ; &
H"I5/ G' 8j,C8223'; 614Y)
&% 8j…& +< '/- 6 ; 614Y)&% 8j"
rnabOMHAHMPO]M_oU
- B&/; 61 &4 S !=) )%/82V V
- ] G !%-Lr

E
- B<2=)8(6lD8 G)fAOUF2V P=)6)
 02&8<&/
- B4-f†' 4}
f
- E@-vs 8j'ii61l&/++
- {&/)l &4 S !')$5)6 -f†H 
8j)
- B& >6 &4 S !4 !%&/&D !%VT  8(
6l}

4. BÁO CÁO THÍ NGHIỆM:
4.1 Xác định độ mịn của xi măng bằng phương pháp sàng:

m6]9QMPOMq\QFMEKO]
&]n
vwO]OvyQ
Ha}OmUdn
MEKO]Q\QM]_‡BY[JF_U
HECDUtHM`q_U•O]
# ! f

 sff"ef Nf r"e
L sff"Ls Lf v"L
N sff"ft u v"
vwO]OvyQQMJhO u +%$6„=V 61^Q
MlOq†Hb{1V CY) 8j3%
%8Y) 8j"IFD8-iLexANfx"ˆ@'61V C
+%$6„6?1"
4.3 Xác định thời gian đông kết của hồ xi măng.
 !%8H FbNO
f
EP
V
J
md[O
YEn
M•_Y_kUHa}O
M`
M•_Y_kUrˆHY[J
O_OMFGH
M•_Y_kUFGHHM‰Q
O_OMFGH
  Fef, N Fr, e Ffr,

wO8
N
P
VJmd[OYEn
Mu_dvwO]
m]n
MkHPQM

&
mQU
%
n
Mu_dvwO]
a_fO]m]pQU
%
n
 vs"ff LL"u L"tuL
aJO]rbOM vs"ff LL"u +$Š*+
# ! 

Nhận xét::; 61 Y) 8j6)HF6-Š
)
wN'fs‚
N's|8
N
'+5-1i !8=) ==V (+H S"
E42=) =6,04"I !8„ +62 +2"
4.5 Xác định mô đun độ lớn của cát:
{1U8=Nff


Q 8jwesf
QwNsf
QVwLLs86
I +2 !)beev8'-; ‹ff88
EF%89 8j>r<
# ! L

VJ
AQJuOHu_
YBmFn
v•O]
Y}JuO
mBn
AQOGOHu_
YBmFn
v•O]Y}
O†O
mBn
 "LL L"uv L"ef N"LNL
L "Lf L"us Lf"seL L"uNt
N f"LfN f"erv L"Lrt N"Ltt
MlOq†H
• {1V C-> S+%&S#Y) 8j"+61
V%56V' &)# =Z S6X;' -8%&S#Y) 8j"
{1V5'G)HY%6 %'HYV4( !-
$%&S#…=Z -8"
• B%&S;'&SY)89L6!H6V5/ +
C&896TS'+5-4"Eh89N%&S;
)< =V ) 89h6 425/89);'6()Y
 S6X;261Vh6 89"



bj8Y)8V



b6F&/Y)8Vi
A
+

# ! e

O6=;81@6 P"
Nhược điểm của phương pháp sàng.
E S=) =
:H2/0TS
IF  )=HY6V
:[=H !
g= 6 )=46V ='
g84&)H
3. 4/|#$
- m@‹&D#=
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; &%6VHD8 G); 68 -86(6 + G)
,@ -8%&SY)=-C8")G 48 +,Y)h& +
2HO& +22y'2h•P'V 2/2TS
)04@R3&% G 48$=6V"
+$2\QSGJHuKOMMv™O]YGOIJ\HabOM†L
• Ib:VTS/5/2 n)2n2'
2%6V##=Z=#2 ! +,&S86V
 S !2n2-$)5/H
 SU; +8X":; 614Y)6V/=-C8
&S'25/C&6 !-  S8 "
• B%F b{%6 %Y); $8$%)6=)S
H"B%F 3% S+;b'V
/2Ol2=Z6 %#P'%86(6 +"
# ! Le

• B%# b_%# 2n2&%1TS#$
=T "B4j%# F )FU88%V6V"
• B%C8bB%C8; 6 !68 -86(8)=%  G) 'j6(
6 +%Y)&%"+H%S4%C8@; HS
=Z@@6V29+$=-C8"
+$6$ABQMšOdAQ†LHMPQMMwL
+6(5lHY6 !6 V )=ZF 
H46 +1; "+6(2356V=Z@ !1
568@6V6 !@$=-C82$=@T  …
6V". !6()06(8916H?5)0H!

QM†OiWQM
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r"Ntf"vuL s"fL Nt"vs Ns"Lf r"rr
N s"ff Nr"sN NL"uv v"vf
B%C8#;  
2$+LdAQHWEMbOMUVJb
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8
wOQm)P
# ! Ls


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