井巷工程 第五章 巷道支护
118
1 第 页 06/26/11 资环学院 王猛 13841875800 第一节 支护材料 第二节 锚喷支护 第三节 普通支架
Transcript of 井巷工程 第五章 巷道支护
-
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.jpg -
47 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
-
116 06/26/11 13841875800
-
117 06/26/11 13841875800
-
118 06/26/11 13841875800
2.
3.
4.
Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25Slide 26Slide 27Slide 28Slide 29Slide 30Slide 31Slide 32Slide 33Slide 34Slide 35Slide 36Slide 37Slide 38Slide 39Slide 40Slide 41Slide 42Slide 43Slide 44Slide 45Slide 46Slide 47Slide 48Slide 49Slide 50Slide 51Slide 52Slide 53Slide 54Slide 55Slide 56Slide 57Slide 58Slide 59Slide 60Slide 61Slide 62Slide 63Slide 64Slide 65Slide 66Slide 67Slide 68Slide 69Slide 70Slide 71Slide 72Slide 73Slide 74Slide 75Slide 76Slide 77Slide 78Slide 79Slide 80Slide 81Slide 82Slide 83Slide 84Slide 85Slide 86Slide 87Slide 88Slide 89Slide 90Slide 91Slide 92Slide 93Slide 94Slide 95Slide 96Slide 97Slide 98Slide 99Slide 100Slide 101Slide 102Slide 103Slide 104Slide 105Slide 106Slide 107Slide 108Slide 109Slide 110Slide 111Slide 112Slide 113Slide 114Slide 115Slide 116Slide 117Slide 118
