1 06/26/11 13841875800
2 06/26/11 13841875800
3 06/26/11 13841875800
4 06/26/11 13841875800
1 2 3 4
5 06/26/11 13841875800
1 : (
) C aO 64 67 S iO
2 21 24
A120
3 4 7
Fe20
3 2 4
(1 350 1 450 )
6 06/26/11 13841875800
%
3CaOSiO2 C3S 36~37
2CaOSiO2 C2S 15~37
3CaOAl2O3 C3A 7~15
4CaOAl2O3Fe2O3 C4AF 10~18
7 06/26/11 13841875800
2
45m in 1 2h
8 06/26/11 13841875800
3
1 979 7 1
( ) 1 2.5
44% 4 4 1 6
( 20 2 90 )
3d 7d 28d 28d
425 525 625 725
3d 7d 28d 5- 2
9 06/26/11 13841875800
5-2 GB175-85
10 06/26/11 13841875800
4
11 06/26/11 13841875800
1 5 1 0 1 5 1 0 5%
275 325 425 525 625
725
,
12 06/26/11 13841875800
1
13 06/26/11 13841875800
2
275 325 425 525 625 325 425
5- 3
14 06/26/11 13841875800
60 70 C
15 06/26/11 13841875800
5- 4
16 06/26/11 13841875800
17 06/26/11 13841875800
1
2 0.1 5 5
C 30 3 C 30 5
3% 2 (
2.0 ) 1 % S O
3 1 %
18 06/26/11 13841875800
5
2.5
1.2
0.6
0.3
0.15
(
19 06/26/11 13841875800
0.6 ( 5- 5)
5- 5 5 0.6 5%
Mx Mx
1
165432
1005)(
AAAAAAA
M x ++++
=
A1 A
6 5 0.1 5
3.7 3.1
3.0 2.3 2.2 1 .6 1 .5 0.7
20 06/26/11 13841875800
3 5 ( )
5- 6
21 06/26/11 13841875800
4 p H 4 ( ) 1
22 06/26/11 13841875800
( ) 1 5- 2
5- 7
5-2
5-7
23 06/26/11 13841875800
2
C 7.5 C 1 0 C 1 5 C 20 C 25 C 30 C 40 C 45 C 50 C 55 C 60
)(28 BWCRAR C =
R28 28d MPa
WC
RC MPa
A B
24 06/26/11 13841875800
( ) 5
M ( ) MF
I 71 l l 5m in l0m in
25 06/26/11 13841875800
1
Rh=Rb+0 5-3 Rb 0
2 1 R
h
26 06/26/11 13841875800
2 W/C R
h 5- 2 R28
)( BWCRAR Ch = 5-4
Ch
C
RBARRACW
+
=/ 5-5
bCCC RKR =
5-6
Kc 0.1 1 3
Rc MPa3W
5- 1 0
bcR
27 06/26/11 13841875800
4
W 5- 5 W/C
)/(CWWC = 5-7
5 S p
28 06/26/11 13841875800
6 G S
=+
=+++
p
sgc
SGSS
SGWC
)/(
10001 5-8
C W G S m 3
c
g
s
Sp 7
CW
CG
CSWGSC :::1::: =
5-9 = 1 x yW/C 8
29 06/26/11 13841875800
5- 1 2
50
60% 1 40
30 06/26/11 13841875800
,
.
31 06/26/11 13841875800
32 06/26/11 13841875800
U
33 06/26/11 13841875800
34 06/26/11 13841875800
U N2
35 06/26/11 13841875800
36 06/26/11 13841875800
1956 60 60 70
1994 55 29 16
37 06/26/11 13841875800
+630 18m2 1200m
38 06/26/11 13841875800
39 06/26/11 13841875800
1
30 50KN
40 06/26/11 13841875800
2 5- 6 40KN
41 06/26/11 13841875800
3
5- 6 b .
1 2 3 4 5
42 06/26/11 13841875800
4. ( 5- 7) 1 1 5 3 5m in
1 5m in 82 1 5 60s 5m in 40KN 5m in
43 06/26/11 13841875800
18 24mm 5 8 10mm 150150mm
44 06/26/11 13841875800
45 06/26/11 13841875800
46 06/26/11 13841875800
1
http://coal.cwestme.com/uploadpic/2004415155419734.jpg47 06/26/11 13841875800
5
2 3m in 1 2m in lh 60kN
1 2m in
48 06/26/11 13841875800
6 1 4 1 6 38 40
49 06/26/11 13841875800
7 38.12 3m m
50 06/26/11 13841875800
8
51 06/26/11 13841875800
52 06/26/11 13841875800
9.
53 06/26/11 13841875800
54 06/26/11 13841875800
55 06/26/11 13841875800
1
5-15
56 06/26/11 13841875800
2 ,
5-16
57 06/26/11 13841875800
3 5- 1 7
58 06/26/11 13841875800
4
59 06/26/11 13841875800
1 321 LLLL ++=L
1 L
1= 0.1
0.1 5m L1=
+ + 0.03 0.05 m L
2
L3 L
3= 0.3
0.4m
L2+ L
3
60 06/26/11 13841875800
L2
L
2
hi h
i
L2
100)100( BRMRhi
=
RMR C S IR B
fBH
2=
L2= KH H
m K 1 .5
2 H
61 06/26/11 13841875800
2
t
Qd
69.35= d Q KN
t MPa
3 a
2LQa
=
KN/m 3
62 06/26/11 13841875800
tgaLtgb =
b m
L m
a 1 600 1 800 500 700 1 0001 200 2 3
63 06/26/11 13841875800
5 20
5-20 a b
64 06/26/11 13841875800
1
2
ML- 20
( 5- 23)
65 06/26/11 13841875800
66 06/26/11 13841875800
67 06/26/11 13841875800
1
68 06/26/11 13841875800
2
69 06/26/11 13841875800
3 4
70 06/26/11 13841875800
50 1 50
1 50m m
71 06/26/11 13841875800
1
72 06/26/11 13841875800
73 06/26/11 13841875800
H PLG- 5
MK
74 06/26/11 13841875800
75 06/26/11 13841875800
2 1 325 2 0.35 3.0m m 3 1 5m m 5 1 9
5-19
76 06/26/11 13841875800
4 p H 4 S O
4 1
5 2.5 45m in 1 0m in
1 2 3 0.45 0.55
5-20
77 06/26/11 13841875800
3 1
0.1 MPa
0.1 5 0.1 8MPa
200m MPa = 0.1 + 0.001 m
1 00m 0.08 0.1 MPa 1 0m 0.02 0.03 MPa
78 06/26/11 13841875800
2 0.1 MPa
3 0.4 0.45
4
0.8 1 .2m
l0 1 5
79 06/26/11 13841875800
7 2h 2m in
5 50 1 00 30 60 6
80 06/26/11 13841875800
4
5
1
20m in
2h 2
200m m
81 06/26/11 13841875800
3 6m 2m 1 .5m
5- 33
82 06/26/11 13841875800
1 5 25
5- 35
1
2
3
4
83 06/26/11 13841875800
l0
84 06/26/11 13841875800
6 1 2 200 400
85 06/26/11 13841875800
3 4
86 06/26/11 13841875800
87 06/26/11 13841875800
88 06/26/11 13841875800
89 06/26/11 13841875800
90 06/26/11 13841875800
91 06/26/11 13841875800
92 06/26/11 13841875800
+ + + + + +U + + + + + + + + + + + + + + + + + + + + + + + + + + +
93 06/26/11 13841875800
( )
94 06/26/11 13841875800
5- 37
95 06/26/11 13841875800
2 3 4 5 6
80
96 06/26/11 13841875800
( 5 38)
5- 21
97 06/26/11 13841875800
5-21
98 06/26/11 13841875800
99 06/26/11 13841875800
100 06/26/11 13841875800
101 06/26/11 13841875800
18 24kg/m 16 20
( 5-39)
102 06/26/11 13841875800
103 06/26/11 13841875800
5-40
1 2 3 4 5-40
R1 R2
104 06/26/11 13841875800
12m2 0.7 1.1m
105 06/26/11 13841875800
U
106 06/26/11 13841875800
U
107 06/26/11 13841875800
( )
( 1/8 1/12)
12m2
108 06/26/11 13841875800
109 06/26/11 13841875800
1 ( )
5-42
V H
110 06/26/11 13841875800
d = T 5-22
5-23
5-23
111 06/26/11 13841875800
5-22
112 06/26/11 13841875800
5-23
113 06/26/11 13841875800
2
(20 40m)
( 5-43)
4m
114 06/26/11 13841875800
5-44
115 06/26/11 13841875800
1
2
50mm 3
(5-46) 4
(5-47) ( 85-48) 5
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117 06/26/11 13841875800
118 06/26/11 13841875800
2.
3.
4.
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