JPH0522800B2 - - Google Patents

Info

Publication number

JPH0522800B2

JPH0522800B2 JP15211685A JP15211685A JPH0522800B2 JP H0522800 B2 JPH0522800 B2 JP H0522800B2 JP 15211685 A JP15211685 A JP 15211685A JP 15211685 A JP15211685 A JP 15211685A JP H0522800 B2 JPH0522800 B2 JP H0522800B2

Authority

JP

Japan

Prior art keywords

cutter

excavation

excavator

outer tube

mud

Prior art date

1985-07-09

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.)

Expired - Lifetime

Links

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• 238000009412 basement excavation Methods 0.000 claims description 61
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
• 238000000034 method Methods 0.000 claims description 13
• 239000002689 soil Substances 0.000 claims description 13
• 238000005192 partition Methods 0.000 claims description 10
• 239000000463 material Substances 0.000 claims description 5
• 238000003756 stirring Methods 0.000 claims description 3
• 239000011344 liquid material Substances 0.000 claims description 2
• 239000010410 layer Substances 0.000 description 17
• 238000010276 construction Methods 0.000 description 11
• 239000004576 sand Substances 0.000 description 8
• 238000004891 communication Methods 0.000 description 7
• 239000003673 groundwater Substances 0.000 description 5
• 230000000903 blocking effect Effects 0.000 description 4
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• 238000007667 floating Methods 0.000 description 4
• 239000010802 sludge Substances 0.000 description 4
• 239000011347 resin Substances 0.000 description 3
• 229920005989 resin Polymers 0.000 description 3
• 238000005096 rolling process Methods 0.000 description 3
• 239000005060 rubber Substances 0.000 description 3
• 238000006243 chemical reaction Methods 0.000 description 2
• 238000005553 drilling Methods 0.000 description 2
• 239000007788 liquid Substances 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 230000003287 optical effect Effects 0.000 description 2
• 239000002245 particle Substances 0.000 description 2
• 239000010865 sewage Substances 0.000 description 2
• 239000007787 solid Substances 0.000 description 2
• 239000002699 waste material Substances 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000011162 core material Substances 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000000945 filler Substances 0.000 description 1
• 238000005755 formation reaction Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 230000002401 inhibitory effect Effects 0.000 description 1
• 239000003129 oil well Substances 0.000 description 1
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• 238000007790 scraping Methods 0.000 description 1
• 239000002356 single layer Substances 0.000 description 1
• 239000002002 slurry Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
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• 239000012209 synthetic fiber Substances 0.000 description 1
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