LEFT-BEHIND TYPE
〈Table 1〉 Reaching to existing manhole
Internal diameter (m/m) | Standard manhole shape |
---|---|
800 | No.2 |
900 | No.3 |
1,000 | No.3 |
1,100 | No.4 |
1,200 | No.4 |
1,350 | No.4 |
1,500 | No.5 |
〈Table 2〉 Standard compatibility (specifications)
Type
Internal diameter
(m/m)
800 | 900 | 1,000 | 1,100 | 1,200 | 1,350 | 1,500 | ||
---|---|---|---|---|---|---|---|---|
Outer diameter of main pipe (m/m) |
1,012 | 1,140 | 1,256 | 1,362 | 1,486 | 1,656 | 1,840 | |
Machine length (m/m) |
2,550 | 2,550 | 2,550 | 2,550 | 2,550 | 2,550 | 2,850 | |
Weight (t) | 2.4 | 3.4 | 4.0 | 4.6 | 5.2 | 6.4 | 8.5 | |
Mud removal bore (m/m) |
200 | 200 | 250 | 250 | 300 | 300 | 350 | |
Allowable small stone diameter (m/m) |
Major axis | 250 | 250 | 300 | 300 | 360 | 360 | 420 |
Minor axis | 160 | 160 | 200 | 200 | 250 | 250 | 300 | |
Standard range of application | N Value | About 50 | About 60 | |||||
Ratio of small stones(%) | About 50% | About 80% |
800 | 900 | 1,000 | 1,100 | ||
---|---|---|---|---|---|
Outer diameter of main pipe (m/m) |
1,012 | 1,140 | 1,256 | 1,362 | |
Machine length (m/m) |
2,550 | 2,550 | 2,550 | 2,550 | |
Weight (t) | 2.4 | 3.4 | 4.0 | 4.6 | |
Mud removal bore (m/m) |
200 | 200 | 250 | 250 | |
Allowable small stone diameter (m/m) |
Major axis | 250 | 250 | 300 | 300 |
Minor axis | 160 | 160 | 200 | 200 | |
Standard range of application | N Value | About 50 | |||
Ratio of small stones(%) | About 50% |
Type
Internal diameter
(m/m)
1,200 | 1,350 | 1,500 | ||
---|---|---|---|---|
Outer diameter of main pipe (m/m) |
1,486 | 1,656 | 1,840 | |
Machine length (m/m) |
2,550 | 2,550 | 2,850 | |
Weight (t) | 5.2 | 6.4 | 8.5 | |
Mud removal bore (m/m) |
300 | 300 | 350 | |
Allowable small stone diameter (m/m) |
Major axis | 360 | 360 | 420 |
Minor axis | 250 | 250 | 300 | |
Standard range of application | N Value | About 60 | ||
Ratio of small stones(%) | About 80% |
Remarks: The specifications above are subject to change without prior notice.