JP5274322B2 - コンクリート床版 - Google Patents
コンクリート床版 Download PDFInfo
- Publication number
- JP5274322B2 JP5274322B2 JP2009066398A JP2009066398A JP5274322B2 JP 5274322 B2 JP5274322 B2 JP 5274322B2 JP 2009066398 A JP2009066398 A JP 2009066398A JP 2009066398 A JP2009066398 A JP 2009066398A JP 5274322 B2 JP5274322 B2 JP 5274322B2
- Authority
- JP
- Japan
- Prior art keywords
- protective layer
- concrete
- floor slab
- resin
- concrete floor
- 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 - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 55
- 239000011241 protective layer Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 41
- 229920002396 Polyurea Polymers 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 7
- 239000010426 asphalt Substances 0.000 claims description 5
- 238000009864 tensile test Methods 0.000 claims description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 12
- 238000002156 mixing Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 238000005507 spraying Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000000576 coating method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 229940068984 polyvinyl alcohol Drugs 0.000 description 4
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 4
- 229920002978 Vinylon Polymers 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920002310 Welan gum Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Description
水結合材の重量百分比(W/C):25%以上
細骨材と結合材の重量比(S/C):1.5以下
単位水量:250〜450Kg/m3
練り上がり直後の空気量:3.5〜20%
高性能AE減水剤:30Kg/m3未満
〔F1〕
繊維径:0.05mm以下
繊維長:5〜20mm
繊維引張強度:1500〜2400MPa
引張り強度:252 kgf/cm2(測定法:ASTM D-412)
引裂抵抗性:920N/cm (測定法:ASTM D-624)
伸び率:800% (測定法:ASTM D-412)
耐候性(Xenon Arc):2000時間経過後変化無し
硬度:90(Shore A) (測定法:ASTM D-2240 )
耐熱性能:−50℃〜250℃
タックフリー:15秒
完全硬化時間:20℃で24時間
2 樹脂系の保護層
3 微小クラック
4 コンクリート(床版)
5 ひび割れ
Claims (3)
- 樹脂系の保護層で被覆したコンクリート床版において、20℃における引張強さが18N/mm2以上で伸び率300%以上のポリウレア系樹脂からなる厚み1mm以上の保護層とコンクリート床版との間に、材齢28日の硬化体の引張試験にて引張ひずみ1%以上を示すクラック分散型の繊維補強セメント複合材料からなる層であって、微小クラックが発生するというメカニズムによって引張ひずみを分散させることにより前記保護層にかかるコンクリートひび割れ起因の引張荷重を緩和する層が介在されていることを特徴とするコンクリート床版。
- 保護層の上にアスファルト舗装が施された請求項1に記載のコンクリート床版。
- クラック分散型の繊維補強セメント複合材料の厚みは1〜10cmである請求項1または2に記載のコンクリート床版。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009066398A JP5274322B2 (ja) | 2009-03-18 | 2009-03-18 | コンクリート床版 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009066398A JP5274322B2 (ja) | 2009-03-18 | 2009-03-18 | コンクリート床版 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003414401A Division JP2005171652A (ja) | 2003-12-12 | 2003-12-12 | コンクリート構造物の被覆処理法およびその方法を適用したコンクリート床版 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009133196A JP2009133196A (ja) | 2009-06-18 |
JP5274322B2 true JP5274322B2 (ja) | 2013-08-28 |
Family
ID=40865319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009066398A Expired - Fee Related JP5274322B2 (ja) | 2009-03-18 | 2009-03-18 | コンクリート床版 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5274322B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5688525B2 (ja) * | 2010-08-31 | 2015-03-25 | 国立大学法人長岡技術科学大学 | 鋼板の繊維強化樹脂補修補強構造および補修補強方法 |
JP5936059B2 (ja) * | 2012-08-30 | 2016-06-15 | 清水建設株式会社 | 既成杭 |
ES2631777B1 (es) * | 2016-03-02 | 2018-03-08 | Manuel DE OLIVEIRA PIRES | Procedimiento de ejecución de pavimento continuo |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3971834B2 (ja) * | 1998-03-03 | 2007-09-05 | 住友ゴム工業株式会社 | コンクリート構造物 |
JP3790088B2 (ja) * | 2000-04-04 | 2006-06-28 | 鹿島建設株式会社 | 構造部材の断面修復工法 |
JP3426209B2 (ja) * | 2000-11-29 | 2003-07-14 | 鹿島建設株式会社 | 鉄筋コンクリート床版の下面増厚補強工法 |
JP2003096715A (ja) * | 2001-09-26 | 2003-04-03 | Sumitomo Rubber Ind Ltd | 河川内コンクリート橋脚の補強方法 |
-
2009
- 2009-03-18 JP JP2009066398A patent/JP5274322B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009133196A (ja) | 2009-06-18 |
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