金剛石巖芯鉆探用無(wú)縫鋼管的尺寸規(guī)格(mm)
|
鉆孔公稱(chēng)系列 |
巖芯外管 |
巖芯內(nèi)管 |
套管 |
鉆桿 |
備注 |
|
D |
d |
S |
D |
d |
S |
D |
d |
S |
D |
d |
S |
|
28 |
27 |
22.5 |
2.25 |
20.5 |
18 |
1.25 |
|
|
|
25 |
17 |
4 |
|
|
36 |
35 |
29 |
3 |
26.5 |
23 |
1.75 |
45 |
38 |
3.5 |
33 |
23 |
5 |
|
|
46 |
45 |
38 |
3.5 |
35 |
31 |
2 |
58 |
49 |
4.5 |
43 |
31 |
6 |
|
|
59 |
58 |
51 |
3.5 |
47.5 |
43.5 |
2 |
73 |
63 |
5 |
54 |
42 |
6 |
|
|
75 |
73 |
65.5 |
3.75 |
62 |
56.5 |
2.75 |
89 |
81
78.5 |
4
5.25 |
67 |
55 |
6 |
|
|
91 |
89 |
81 |
4 |
77 |
70 |
3.5 |
108 |
99.5
97.5 |
4.25
5.25 |
67 |
55 |
6 |
|
|
46 |
45 |
36 |
4.5 |
31 |
27 |
2 |
58 |
49 |
4.5 |
43.5 |
34 |
4.75 |
|
|
59 |
58 |
49 |
4.5 |
43 |
38 |
2.5 |
73 |
63 |
5 |
55.5 |
46 |
4.75 |
繩索取芯
|
75 |
73 |
63 |
5 |
56 |
51 |
2.5 |
89 |
81
78.5 |
4
5.25 |
71 |
61 |
5 |
|
注：鋼管的通常長(zhǎng)度為3～6m。
|
