JPH01137398U - - Google Patents

Info

Publication number

JPH01137398U

JPH01137398U JP3130288U JP3130288U JPH01137398U JP H01137398 U JPH01137398 U JP H01137398U JP 3130288 U JP3130288 U JP 3130288U JP 3130288 U JP3130288 U JP 3130288U JP H01137398 U JPH01137398 U JP H01137398U

Authority

JP

Japan

Prior art keywords

backfilling

injection pipe

backfilling injection

shield

outer peripheral

Prior art date

1988-03-09

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000002347 injection Methods 0.000 claims description 11
• 239000007924 injection Substances 0.000 claims description 11
• 230000005641 tunneling Effects 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 claims 2
• 239000000463 material Substances 0.000 claims 1
• 238000000034 method Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 238000009415 formwork Methods 0.000 description 1