PL94034B2 - - Google Patents

Info

Publication number

PL94034B2

PL94034B2 PL177940A PL17794075A PL94034B2 PL 94034 B2 PL94034 B2 PL 94034B2 PL 177940 A PL177940 A PL 177940A PL 17794075 A PL17794075 A PL 17794075A PL 94034 B2 PL94034 B2 PL 94034B2

Authority

PL

Poland

Prior art keywords

rock

rock mass

scales

anchors

strips

Prior art date

1975-02-11

Links

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• 239000011435 rock Substances 0.000 claims description 28
• 238000009412 basement excavation Methods 0.000 claims description 13
• 238000005065 mining Methods 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 9
• 239000000203 mixture Substances 0.000 claims description 6
• 238000005728 strengthening Methods 0.000 claims description 6
• 238000005253 cladding Methods 0.000 claims description 3
• 230000002787 reinforcement Effects 0.000 claims description 2
• 239000002557 mineral fiber Substances 0.000 claims 1
• 238000005507 spraying Methods 0.000 claims 1
• 229920003002 synthetic resin Polymers 0.000 claims 1
• 239000000057 synthetic resin Substances 0.000 claims 1
• XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 8
• 239000000463 material Substances 0.000 description 7
• DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
• MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
• OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
• PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
• 238000005886 esterification reaction Methods 0.000 description 4
• VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
• 239000011976 maleic acid Substances 0.000 description 4
• VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
• 230000032050 esterification Effects 0.000 description 3
• 239000004342 Benzoyl peroxide Substances 0.000 description 2
• OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
• NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
• JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
• 238000004873 anchoring Methods 0.000 description 2
• 235000019400 benzoyl peroxide Nutrition 0.000 description 2
• 238000006073 displacement reaction Methods 0.000 description 2
• 239000007788 liquid Substances 0.000 description 2
• 230000003245 working effect Effects 0.000 description 2
• CMPLVXYOKPNUAI-UHFFFAOYSA-N 2-hydroperoxycyclohexan-1-one Chemical compound OOC1CCCCC1=O CMPLVXYOKPNUAI-UHFFFAOYSA-N 0.000 description 1
• CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Natural products OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
• 229960005070 ascorbic acid Drugs 0.000 description 1
• 235000010323 ascorbic acid Nutrition 0.000 description 1
• 239000011668 ascorbic acid Substances 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• LPRSRULGRPUBTD-UHFFFAOYSA-N butan-2-one;hydrate Chemical compound O.CCC(C)=O LPRSRULGRPUBTD-UHFFFAOYSA-N 0.000 description 1
• 238000001311 chemical methods and process Methods 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 239000011248 coating agent Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1
• 238000007334 copolymerization reaction Methods 0.000 description 1
• 239000012933 diacyl peroxide Substances 0.000 description 1
• 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
• FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
• 229960001826 dimethylphthalate Drugs 0.000 description 1
• 239000000835 fiber Substances 0.000 description 1
• 239000000945 filler Substances 0.000 description 1
• 239000003365 glass fiber Substances 0.000 description 1
• 229910052500 inorganic mineral Inorganic materials 0.000 description 1
• -1 ketone hydroperoxides Chemical class 0.000 description 1
• TYQCGQRIZGCHNB-JLAZNSOCSA-N l-ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(O)=C(O)C1=O TYQCGQRIZGCHNB-JLAZNSOCSA-N 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 239000011707 mineral Substances 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• JDEJGVSZUIJWBM-UHFFFAOYSA-N n,n,2-trimethylaniline Chemical compound CN(C)C1=CC=CC=C1C JDEJGVSZUIJWBM-UHFFFAOYSA-N 0.000 description 1
• 229920002601 oligoester Polymers 0.000 description 1
• 230000000379 polymerizing effect Effects 0.000 description 1
• 239000007921 spray Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 150000003512 tertiary amines Chemical class 0.000 description 1
• 235000013311 vegetables Nutrition 0.000 description 1