JPS6119779B2 - - Google Patents
Info
- Publication number
- JPS6119779B2 JPS6119779B2 JP56181187A JP18118781A JPS6119779B2 JP S6119779 B2 JPS6119779 B2 JP S6119779B2 JP 56181187 A JP56181187 A JP 56181187A JP 18118781 A JP18118781 A JP 18118781A JP S6119779 B2 JPS6119779 B2 JP S6119779B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- metal sheath
- sheath
- steel material
- steel
- Prior art date
- 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
- 239000002184 metal Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 58
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 33
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 30
- 239000000314 lubricant Substances 0.000 claims description 23
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 229920000180 alkyd Polymers 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 87
- 239000010959 steel Substances 0.000 description 87
- 239000000463 material Substances 0.000 description 53
- 239000000843 powder Substances 0.000 description 16
- 150000002739 metals Chemical class 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000004567 concrete Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000011513 prestressed concrete Substances 0.000 description 7
- 238000009415 formwork Methods 0.000 description 6
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 3
- 229920006360 Hostaflon Polymers 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- QIVUCLWGARAQIO-OLIXTKCUSA-N (3s)-n-[(3s,5s,6r)-6-methyl-2-oxo-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-3-yl]-2-oxospiro[1h-pyrrolo[2,3-b]pyridine-3,6'-5,7-dihydrocyclopenta[b]pyridine]-3'-carboxamide Chemical compound C1([C@H]2[C@H](N(C(=O)[C@@H](NC(=O)C=3C=C4C[C@]5(CC4=NC=3)C3=CC=CN=C3NC5=O)C2)CC(F)(F)F)C)=C(F)C=CC(F)=C1F QIVUCLWGARAQIO-OLIXTKCUSA-N 0.000 description 1
- RBORURQQJIQWBS-QVRNUERCSA-N (4ar,6r,7r,7as)-6-(6-amino-8-bromopurin-9-yl)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4h-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol Chemical compound C([C@H]1O2)OP(O)(=S)O[C@H]1[C@@H](O)[C@@H]2N1C(N=CN=C2N)=C2N=C1Br RBORURQQJIQWBS-QVRNUERCSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- 229920006358 Fluon Polymers 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/10—Ducts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Ropes Or Cables (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181187A JPS5883754A (ja) | 1981-11-13 | 1981-11-13 | ポストテンシヨン工法用金属シ−ス |
| US06/441,080 US4577443A (en) | 1981-11-13 | 1982-11-12 | Metallic sheath for posttensioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181187A JPS5883754A (ja) | 1981-11-13 | 1981-11-13 | ポストテンシヨン工法用金属シ−ス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5883754A JPS5883754A (ja) | 1983-05-19 |
| JPS6119779B2 true JPS6119779B2 (enExample) | 1986-05-19 |
Family
ID=16096376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56181187A Granted JPS5883754A (ja) | 1981-11-13 | 1981-11-13 | ポストテンシヨン工法用金属シ−ス |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4577443A (enExample) |
| JP (1) | JPS5883754A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5254190A (en) * | 1986-12-28 | 1993-10-19 | Shinko Kosen Kogyo Kabushiki Kaisha | Tendons for prestressed concrete structures and method of using such tendons |
| JPS63167836A (ja) * | 1986-12-28 | 1988-07-11 | 神鋼鋼線工業株式会社 | プレストレストコンクリ−ト用緊張材およびその使用方法 |
| US5964550A (en) * | 1996-05-31 | 1999-10-12 | Seahorse Equipment Corporation | Minimal production platform for small deep water reserves |
| KR101643732B1 (ko) * | 2015-07-29 | 2016-07-28 | 서울대학교산학협력단 | 포스트텐션 긴장력 컨트롤 시스템 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3833706A (en) * | 1968-08-27 | 1974-09-03 | Cable Covers Ltd | Method of forming stressed concrete |
| US3672712A (en) * | 1969-06-20 | 1972-06-27 | Elbert Davis | Structure for connecting attachments to fiberglass rods |
| US3909424A (en) * | 1974-06-24 | 1975-09-30 | Dow Corning | Lubricant compositions |
| US4189522A (en) * | 1975-08-08 | 1980-02-19 | Daido Metal Company, Ltd. | Multi-layer sliding material and method for manufacturing the same |
| CH608059A5 (enExample) * | 1976-02-09 | 1978-12-15 | Bureau Bbr Ltd | |
| US4361629A (en) * | 1980-07-11 | 1982-11-30 | Daido Metal Company Ltd. | Bearing material and method of producing same |
| US4442646A (en) * | 1980-10-28 | 1984-04-17 | Ponteggi Est S.P.A. | Device for anchoring tensioning elements |
| US4434063A (en) * | 1981-08-07 | 1984-02-28 | Kyodo Yushi Co., Ltd. | Lubricant compositions |
-
1981
- 1981-11-13 JP JP56181187A patent/JPS5883754A/ja active Granted
-
1982
- 1982-11-12 US US06/441,080 patent/US4577443A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4577443A (en) | 1986-03-25 |
| JPS5883754A (ja) | 1983-05-19 |
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