JPH0223680Y2 - - Google Patents

Info

Publication number

JPH0223680Y2

JPH0223680Y2 JP15977185U JP15977185U JPH0223680Y2 JP H0223680 Y2 JPH0223680 Y2 JP H0223680Y2 JP 15977185 U JP15977185 U JP 15977185U JP 15977185 U JP15977185 U JP 15977185U JP H0223680 Y2 JPH0223680 Y2 JP H0223680Y2

Authority

JP

Japan

Prior art keywords

shield

impermeable membrane

frame

segment

impermeable

Prior art date

1985-10-18

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 239000012528 membrane Substances 0.000 claims description 55
• 230000005641 tunneling Effects 0.000 claims description 9
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
• 238000003860 storage Methods 0.000 description 8
• 239000000463 material Substances 0.000 description 6
• 238000003466 welding Methods 0.000 description 6
• 238000010276 construction Methods 0.000 description 5
• 239000011800 void material Substances 0.000 description 5
• 238000005304 joining Methods 0.000 description 4
• 238000010586 diagram Methods 0.000 description 3
• 239000003673 groundwater Substances 0.000 description 3
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
• 229920002554 vinyl polymer Polymers 0.000 description 3
• 238000009412 basement excavation Methods 0.000 description 2
• 239000011248 coating agent Substances 0.000 description 2
• 238000000576 coating method Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000002347 injection Methods 0.000 description 2
• 239000007924 injection Substances 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 239000004698 Polyethylene Substances 0.000 description 1
• 238000005485 electric heating Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• -1 polyethylene Polymers 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 239000002689 soil Substances 0.000 description 1
• 239000002699 waste material Substances 0.000 description 1
• 238000004078 waterproofing Methods 0.000 description 1