CN101122595A - 混凝土结构剩余寿命分析系统 - Google Patents
混凝土结构剩余寿命分析系统 Download PDFInfo
- Publication number
- CN101122595A CN101122595A CNA2007100300542A CN200710030054A CN101122595A CN 101122595 A CN101122595 A CN 101122595A CN A2007100300542 A CNA2007100300542 A CN A2007100300542A CN 200710030054 A CN200710030054 A CN 200710030054A CN 101122595 A CN101122595 A CN 101122595A
- Authority
- CN
- China
- Prior art keywords
- concrete structure
- concrete
- diffusion coefficient
- early warning
- indoor
- 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.)
- Granted
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Description
混凝土类型 | 试件编号 | w/b | F1(%) | F2(%) | K(%) | S(%) | SL(mm) |
基准混凝土 | A01 | 0.50 | 0 | 0 | 0 | 0 | 170 |
A02 | 0.40 | 0 | 0 | 0 | 0 | 186 | |
A03 | 0.35 | 0 | 0 | 0 | 0 | 183 | |
A04 | 0.33 | 0 | 0 | 0 | 0 | 175 | |
A05 | 0.29 | 0 | 0 | 0 | 0 | 165 | |
掺I级粉煤灰(F1)HPC | A1 | 0.35 | 30 | 0 | 0 | 0 | 194 |
A2 | 0.35 | 35 | 0 | 0 | 0 | 193 | |
A3 | 0.35 | 40 | 0 | 0 | 0 | 195 | |
A4 | 0.35 | 45 | 0 | 0 | 0 | 198 | |
A5 | 0.33 | 35 | 0 | 0 | 0 | 197 | |
A6 | 0.29 | 35 | 0 | 0 | 0 | 178 | |
掺II级粉煤灰(F2)HPC | B1 | 0.35 | 0 | 30 | 0 | 0 | 188 |
B2 | 0.35 | 0 | 35 | 0 | 0 | 198 | |
B3 | 0.35 | 0 | 40 | 0 | 0 | 200 | |
B4 | 0.35 | 0 | 45 | 0 | 0 | 200 | |
掺矿粉(K)HPC | K60 | 0.35 | 0 | 0 | 60 | 0 | 200 |
K70 | 0.35 | 0 | 0 | 70 | 0 | 210 | |
K80 | 0.35 | 0 | 0 | 80 | 0 | 205 | |
掺硅灰(S)HPC | S01 | 0.35 | 0 | 0 | 0 | 3 | 182 |
S02 | 0.35 | 0 | 0 | 0 | 4 | 177 | |
S03 | 0.35 | 0 | 0 | 0 | 5 | 171 | |
硅灰(S)和I级粉煤灰(F1)混掺HPC | S1 | 0.35 | 35 | 0 | 0 | 3 | 205 |
S2 | 0.35 | 35 | 0 | 0 | 4 | 205 | |
S3 | 0.35 | 35 | 0 | 0 | 5 | 198 | |
硅灰(S)和II级粉煤灰(F2)混掺HPC | SB1 | 0.35 | 0 | 30 | 0 | 4 | 182 |
SB2 | 0.35 | 0 | 35 | 0 | 4 | 177 | |
SB3 | 0.35 | 0 | 40 | 0 | 4 | 171 | |
SB4 | 0.35 | 0 | 45 | 0 | 4 | 205 | |
SB5 | 0.35 | 0 | 50 | 0 | 4 | 205 | |
硅灰(S)和矿渣粉(K)混掺HPC | KS3 | 0.35 | 0 | 0 | 67 | 3 | 152 |
KS4 | 0.35 | 0 | 0 | 67 | 4 | 160 | |
KS5 | 0.35 | 0 | 0 | 67 | 5 | 166 | |
矿粉(K)和I级粉煤灰(F1)混掺HPC | G50 | 0.35 | 10 | 0 | 60 | 0 | 210 |
G51 | 0.35 | 15 | 0 | 55 | 0 | 205 | |
G52 | 0.35 | 20 | 0 | 50 | 0 | 205 |
试件编号 | w/b | 混凝土配合比 | 吸水率×10-3(mm/min1/2) | Cl-电通量(库仑) | Cl-扩散系数D×10-8(cm2/s) | |||||||
28d | 90d | |||||||||||
初始 | 后期 | 初始 | 后期 | 28d | 90d | 180d | 28d | 90d | 180d | |||
A01 | 0.50 | 基准混凝土 | 8.6 | 1.3 | 7.1 | 2.6 | 2777 | 2228 | - | 11.00 | 8.67 | - |
A02 | 0.40 | 基准混凝土 | 4.6 | 0.9 | 3.6 | 1.0 | 2201 | 1630 | - | 7.51 | 6.86 | - |
A03 | 0.35 | 基准混凝土 | 1.8 | 0.2 | 2.8 | 0.8 | 2006 | 1218 | 861 | 5.00 | 5.60 | 3.40 |
A04 | 0.33 | 基准混凝土 | 1.4 | 0.6 | 2.6 | 0.6 | 1712 | 1167 | 931 | 4.90 | 5.08 | - |
A05 | 0.29 | 基准混凝土 | 3.2 | 0.9 | 1.3 | 0.5 | 1544 | 988 | - | 3.43 | 2.84 | - |
A1 | 0.35 | 掺30%F1 | 2.7 | 0.9 | 5.2 | 0.6 | 1664 | 562 | 227 | 4.28 | 3.92 | - |
A2 | 0.35 | 掺35%F1 | 10.1 | 2.4 | 4.5 | 0.8 | 1742 | 454 | 210 | 3.54 | 3.38 | 2.42 |
A3 | 0.35 | 掺40%F1 | 8.1 | 1.9 | 4.8 | 0.7 | 1494 | 416 | 207 | 3.93 | 2.56 | - |
A4 | 0.35 | 掺45%F1 | 9.1 | 0.8 | 3.4 | 0.8 | 1310 | 370 | 162 | 3.62 | 2.33 | - |
A5 | 0.33 | 掺35%F1 | - | - | - | - | 1202 | 379 | 163 | 3.06 | 1.98 | - |
A6 | 0.29 | 掺35%F1 | - | - | - | - | 1087 | 312 | 130 | 2.49 | 1.88 | - |
B1 | 0.35 | 掺30%F2 | 10.5 | 1.8 | - | - | 1503 | 425 | 185 | 4.02 | 3.15 | - |
B2 | 0.35 | 掺35%F2 | - | - | - | - | 1470 | 513 | 172 | 4.67 | 3.67 | 1.70 |
B3 | 0.35 | 掺40%F2 | - | - | - | - | 1200 | 376 | 170 | 5.27 | 2.75 | - |
B4 | 0.35 | 掺45%F2 | - | - | - | - | 1321 | 493 | 156 | 3.78 | 2.33 | - |
K60 | 0.35 | 掺60%K | 7.0 | 1.4 | 2.4 | 2.1 | 1061 | 478 | 175 | 2.41 | 1.33 | 0.63 |
K70 | 0.35 | 掺70%K | 5.2 | 1.2 | 5.9 | 2.1 | 931 | 383 | 121 | 2.74 | 0.93 | 0.70 |
K80 | 0.35 | 掺80%K | 7.5 | 1.6 | 4.7 | 1.8 | 955 | 587 | 538 | 2.02 | 1.81 | 0.81 |
S01 | 0.35 | 掺3%S | 1.6 | 0.1 | 1.9 | 0.3 | 770 | 517 | 286 | 3.80 | 1.73 | - |
S02 | 0.35 | 掺4%S | 2.6 | 0.1 | 2.2 | 0.2 | 709 | 378 | 224 | 1.32 | 1.47 | - |
S03 | 0.35 | 掺5%S | - | - | - | - | 625 | 302 | 209 | 1.23 | 1.44 | - |
S1 | 0.35 | 掺35%F1+3%S | 5.0 | 0.2 | 2.5 | 0.2 | 734 | 358 | 142 | 2.19 | 1.73 | - |
S2 | 0.35 | 掺35%F1+4%S | 1.4 | 0.3 | 2.0 | 0.4 | 609 | 249 | 122 | 1.63 | 2.06 | 1.26 |
S3 | 0.35 | 掺35%F1+5%S | 2.4 | 0.4 | 1.6 | 0.5 | 521 | 223 | 102 | 1.34 | 1.51 | - |
SB1 | 0.35 | 掺30%F2+4%S | - | - | - | - | 567 | 289 | 154 | 3.28 | 2.11 | - |
SB2 | 0.35 | 掺35%F2+4%S | - | - | - | - | 536 | 211 | 164 | 1.99 | 2.14 | 1.80 |
SB3 | 0.35 | 掺40%F2+4%S | - | - | - | - | 627 | 239 | 162 | 3.08 | 1.96 | - |
SB4 | 0.35 | 掺45%F2+4%S | - | - | - | - | 599 | 264 | 136 | 2.42 | 1.94 | - |
SB5 | 0.35 | 掺50%F2+4%S | - | - | - | - | 612 | 222 | 158 | 2.87 | 1.78 | - |
KS3 | 0.35 | 掺3%S+70%K | 18.7 | 5.3 | 9.0 | 4.9 | 376 | 250 | - | 2.37 | 0.72 | - |
KS4 | 0.35 | 掺4%S+70%K | 27.7 | 8.5 | 9.8 | 5.2 | 364 | 242 | - | 2.68 | 0.67 | - |
KS5 | 0.35 | 掺5%S+70%K | 29.5 | 8.3 | 10.2 | 5.7 | 323 | 223 | 145 | 2.42 | 0.64 | 0.47 |
G50 | 0.35 | 掺10%F1+60%K | 8.8 | 4.4 | - | - | 386 | 255 | - | - | 0.44 | - |
G51 | 0.35 | 掺15%F1+55%K | 9.2 | 4.0 | - | - | 365 | 242 | - | - | 0.50 | - |
G52 | 0.35 | 掺20%F1+50%K | 8.6 | 3.2 | - | - | 363 | 176 | - | - | 0.41 | - |
G53 | 0.35 | 掺10%F1+55%K | 10.2 | 4.4 | - | - | 474 | 315 | - | - | 0.39 | - |
W50 | 0.50 | 掺5%S+70%K | 36.2 | 28.0 | 18.2 | 13.9 | 451 | 279 | - | 2.24 | 0.75 | - |
W40 | 0.40 | 掺5%S+70%K | 8.0 | 1.4 | 5.8 | 2.0 | 351 | 258 | - | 2.13 | 0.65 | - |
W35 | 0.35 | 掺5%S+70%K | 29.5 | 8.3 | 10.2 | 5.7 | 323 | 223 | 145 | 2.42 | 0.64 | 0.47 |
W33 | 0.33 | 掺5%S+70%K | 19.6 | 5.2 | 7.6 | 4.1 | 288 | 217 | - | 2.15 | 0.55 | - |
W29 | 0.29 | 掺5%S+70%K | 2.9 | 1.3 | 4.8 | 1.5 | 321 | 270 | - | 2.03 | 0.51 | - |
混凝土回归分析类别 | 关系式 |
28d扩散系数D28 h与28d电通量 | D28 h=(2×1O-6Q28 2-0.0013Q28+2.28)×10-8(cm2/s) |
90d扩散系数D90 h与90d电通量 | D90 h=(0.0036Q90+0.73)×10-8(cm2/s) |
180d扩散系数D180 h与180d电通量 | D180 h=(0.0036Q180+1.06)×10-8(cm2/s) |
90d扩散系数D90 h与28d电通量 | D90 h=(10-6Q28 2-0.0005Q28+1.23)×10-8(cm2/s) |
混凝土配合比参数 | 180d暴露时间 | 使用年限(a) | |||
扩散系数D×10-8(cm2/s) | 表面浓度(%) | 保护层厚度(mm) | |||
50 | 65 | 70 | |||
基准混凝土,w/c=0.50 | 3.43 | 0.324 | 6 | 10 | 11 |
基准混凝土,w/c=0.40 | 2.20 | 0.324 | 9 | 15 | 18 |
基准混凝土,w/c=0.35 | 1.02 | 0.324 | 19 | 33 | 38 |
基准混凝土,w/c=0.33 | 0.96 | 0.324 | 20 | 35 | 40 |
基准混凝土,w/c=0.29 | 0.68 | 0.324 | 29 | 49 | 57 |
掺30%粉煤灰,w/b=0.35 | 0.84 | 0.324 | 23 | 40 | 46 |
掺35%粉煤灰,w/b=0.35 | 0.65 | 0.324 | 30 | 51 | 59 |
掺40%粉煤灰,w/b=0.35 | 0.69 | 0.324 | 29 | 48 | 56 |
掺45%粉煤灰,w/b=0.35 | 0.70 | 0.324 | 28 | 48 | 55 |
掺硅灰3%,w/b=0.35 | 0.70 | 0.324 | 28 | 48 | 55 |
掺硅灰4%,w/b=0.35 | 0.58 | 0.324 | 34 | 57 | 67 |
掺硅灰5%,w/b=0.35 | 0.48 | 0.324 | 41 | 69 | 80 |
掺矿粉60%,w/b=0.35 | 0.73 | 0.324 | 27 | 46 | 53 |
掺矿粉70%,w/b=0.35 | 0.70 | 0.324 | 28 | 48 | 55 |
掺矿粉80%,w/b=0.35 | 0.71 | 0.324 | 28 | 47 | 54 |
硅灰4%+30%粉煤灰混掺,w/b=0.35 | 0.59 | 0.324 | 33 | 56 | 65 |
硅灰4%+35%粉煤灰混掺,w/b=0.35 | 0.56 | 0.324 | 35 | 59 | 69 |
硅灰4%+40%粉煤灰混掺,w/b=0.35 | 0.54 | 0.324 | 36 | 62 | 71 |
硅灰4%+45%粉煤灰混掺,w/b=0.35 | 0.43 | 0.324 | 46 | 77 | 90 |
硅灰4%+50%粉煤灰混掺,w/b=0.35 | 0.46 | 0.324 | 43 | 72 | 84 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100300542A CN101122595B (zh) | 2007-09-04 | 2007-09-04 | 混凝土结构剩余寿命分析系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100300542A CN101122595B (zh) | 2007-09-04 | 2007-09-04 | 混凝土结构剩余寿命分析系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101122595A true CN101122595A (zh) | 2008-02-13 |
CN101122595B CN101122595B (zh) | 2011-06-22 |
Family
ID=39085019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100300542A Expired - Fee Related CN101122595B (zh) | 2007-09-04 | 2007-09-04 | 混凝土结构剩余寿命分析系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101122595B (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103065006A (zh) * | 2012-12-21 | 2013-04-24 | 广西大学 | 一种海洋环境下混凝土结构耐久性定量设计的方法 |
CN103323578A (zh) * | 2013-05-23 | 2013-09-25 | 山东高速青岛公路有限公司 | 一种基于混凝土结构耐久性的检测及施工控制方法 |
CN103852414A (zh) * | 2014-03-17 | 2014-06-11 | 东南大学 | 一种桥梁腐蚀监测与寿命预测方法 |
CN103992076A (zh) * | 2014-05-27 | 2014-08-20 | 广西大学 | 基于抗氯离子侵入性能和强度指标要求的混凝土配合比设计方法 |
CN104088472A (zh) * | 2014-07-10 | 2014-10-08 | 汕头市建设工程质量监督检测站 | 沿海建筑物钢筋混凝土结构检测和修复方法 |
CN104361179A (zh) * | 2014-11-20 | 2015-02-18 | 交通运输部公路科学研究所 | 一种基于概率理论和现场检测的桥梁耐久寿命分析方法 |
CN104865163A (zh) * | 2014-02-26 | 2015-08-26 | 中交四航工程研究院有限公司 | 一种无损的测量及推定混凝土耐久性能的方法及系统 |
CN105160064A (zh) * | 2015-07-29 | 2015-12-16 | 中铁城市规划设计研究院有限公司 | 一种混凝土小梁疲劳试验的损伤识别和预估系统 |
CN106526144A (zh) * | 2016-10-31 | 2017-03-22 | 广西大学 | 海港工程大掺量混凝土性能的量化评估方法 |
CN111693447A (zh) * | 2020-05-26 | 2020-09-22 | 中冶建筑研究总院有限公司 | 一种混凝土屋面板耐久性剩余寿命评估方法 |
CN117471071A (zh) * | 2023-10-30 | 2024-01-30 | 重庆交通大学 | 港口基础设施结构耐久性安全预警系统及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1177213C (zh) * | 2003-03-20 | 2004-11-24 | 上海交通大学 | 钢筋混凝土构件中钢筋腐蚀的检测方法 |
-
2007
- 2007-09-04 CN CN2007100300542A patent/CN101122595B/zh not_active Expired - Fee Related
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103065006A (zh) * | 2012-12-21 | 2013-04-24 | 广西大学 | 一种海洋环境下混凝土结构耐久性定量设计的方法 |
CN103323578A (zh) * | 2013-05-23 | 2013-09-25 | 山东高速青岛公路有限公司 | 一种基于混凝土结构耐久性的检测及施工控制方法 |
CN103323578B (zh) * | 2013-05-23 | 2015-11-11 | 大连理工大学 | 一种基于混凝土结构耐久性的检测及施工控制方法 |
CN104865163B (zh) * | 2014-02-26 | 2018-06-08 | 中交四航工程研究院有限公司 | 一种无损的测量及推定混凝土耐久性能的方法及系统 |
CN104865163A (zh) * | 2014-02-26 | 2015-08-26 | 中交四航工程研究院有限公司 | 一种无损的测量及推定混凝土耐久性能的方法及系统 |
CN103852414B (zh) * | 2014-03-17 | 2016-01-13 | 东南大学 | 一种桥梁腐蚀监测与寿命预测方法 |
CN103852414A (zh) * | 2014-03-17 | 2014-06-11 | 东南大学 | 一种桥梁腐蚀监测与寿命预测方法 |
CN103992076A (zh) * | 2014-05-27 | 2014-08-20 | 广西大学 | 基于抗氯离子侵入性能和强度指标要求的混凝土配合比设计方法 |
CN103992076B (zh) * | 2014-05-27 | 2015-10-28 | 广西大学 | 一种基于抗氯离子侵入性能和强度指标要求的混凝土配合比设计方法 |
CN104088472A (zh) * | 2014-07-10 | 2014-10-08 | 汕头市建设工程质量监督检测站 | 沿海建筑物钢筋混凝土结构检测和修复方法 |
CN104088472B (zh) * | 2014-07-10 | 2016-08-24 | 汕头市建设工程质量监督检测站 | 沿海建筑物钢筋混凝土结构检测和修复方法 |
CN104361179B (zh) * | 2014-11-20 | 2017-06-20 | 交通运输部公路科学研究所 | 一种基于概率理论和现场检测的桥梁耐久寿命分析方法 |
CN104361179A (zh) * | 2014-11-20 | 2015-02-18 | 交通运输部公路科学研究所 | 一种基于概率理论和现场检测的桥梁耐久寿命分析方法 |
CN105160064A (zh) * | 2015-07-29 | 2015-12-16 | 中铁城市规划设计研究院有限公司 | 一种混凝土小梁疲劳试验的损伤识别和预估系统 |
CN106526144A (zh) * | 2016-10-31 | 2017-03-22 | 广西大学 | 海港工程大掺量混凝土性能的量化评估方法 |
CN106526144B (zh) * | 2016-10-31 | 2019-04-12 | 浙江大学 | 海港工程大掺量混凝土性能的量化评估方法 |
CN111693447A (zh) * | 2020-05-26 | 2020-09-22 | 中冶建筑研究总院有限公司 | 一种混凝土屋面板耐久性剩余寿命评估方法 |
CN117471071A (zh) * | 2023-10-30 | 2024-01-30 | 重庆交通大学 | 港口基础设施结构耐久性安全预警系统及方法 |
CN117471071B (zh) * | 2023-10-30 | 2024-06-04 | 重庆交通大学 | 港口基础设施结构耐久性安全预警系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101122595B (zh) | 2011-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101122595A (zh) | 混凝土结构剩余寿命分析系统 | |
Angst et al. | Chloride induced reinforcement corrosion: Electrochemical monitoring of initiation stage and chloride threshold values | |
Raupach | Models for the propagation phase of reinforcement corrosion–an overview | |
Pilvar et al. | New method development for evaluation concrete chloride ion permeability | |
Lollini et al. | The challenge of the performance-based approach for the design of reinforced concrete structures in chloride bearing environment | |
Shi et al. | Laboratory investigation and neural networks modeling of deicer ingress into Portland cement concrete and its corrosion implications | |
CN106018261A (zh) | 混凝土结构中钢筋腐蚀程度的电化学快速检测方法 | |
CN110737967A (zh) | 一种混凝土结构耐久性预测方法、系统及终端 | |
Kim et al. | Application of the colorimetric method to chloride diffusion evaluation in concrete structures | |
CN113075119A (zh) | 钢筋混凝土腐蚀监测设备 | |
Torres-Acosta et al. | Electrical Resistivity as Durability Index for Concrete Structures. | |
Olugbenga et al. | Effect of synergies of K2Cr2O7, K2CrO4, NaNO2 and aniline inhibitors on the corrosion potential response of steel reinforced concrete in saline medium | |
Rengaraju | Electrochemical response and chloride threshold of steel in highly resistive concrete systems | |
CN114065517B (zh) | 一种采用新型模型无损预测混凝土耐久性能的方法与系统 | |
CN104361179A (zh) | 一种基于概率理论和现场检测的桥梁耐久寿命分析方法 | |
Torres‐Acosta et al. | Durability health monitoring during construction of concrete structures in marine environment | |
Tang et al. | Chloride ingress and reinforcement corrosion-after 20 years’ field exposure in a highway environment | |
CN215598972U (zh) | 钢筋混凝土腐蚀监测设备 | |
Gulikers | Statistical interpretation of results of potential mapping on reinforced concrete structures | |
Millano-González et al. | Modeling Electrochemical Performance of Reinforced Concrete in Natural Marine Airborne-Exposure Environments: DURACON Project, 10-Year Evaluation | |
Zhuo et al. | Chloride Penetration in Coastal Concrete Structures: Field Investigation and Model Development | |
Bouteiller et al. | Non-destructive electrochemical characterizations of reinforced concrete corrosion: basic and symbolic data analysis | |
KR20080003165U (ko) | 해양 구조물의 부식에 의한 수명 예측 시스템 | |
Kenny et al. | A Statistical Analysis of the Distribution of the Chloride Threshold with Relation to Steel-concrete Interface | |
Dong et al. | Relationship between chloride diffusion coefficient and ASTM C1202 electric flux under different environments and durability evaluation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: CCCC FOURTH HARBOR ENGINEERING BUREAU LTD.; APPLI Free format text: FORMER OWNER: ZHONGJIAOSIHANG ENGINEERING RESEARCH INST., CO., LTD. Effective date: 20080509 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080509 Address after: 163 zip Road, Guangzhou City, post code: 510230 Applicant after: China exchange fourth Aeronautical Engineering Bureau Co., Ltd. Co-applicant after: Zhongjiao Sihang Engineering Inst. Co., Ltd. Address before: 157, Qianjin Road, Guangdong, 504, Guangzhou 510230, China Applicant before: Zhongjiao Sihang Engineering Inst. Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ZHONGJIAO SIHANG ENGINEERING INST. CO., LTD. GUANG Free format text: FORMER OWNER: ZHONGJIAO SIHANG ENGINEERING INST. CO., LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110628 Address after: 510230 No. 163 Qianjin Road, Guangdong, Guangzhou Co-patentee after: Zhongjiao Sihang Engineering Inst. Co., Ltd. Patentee after: CCCC Fourth Harbor Engineering Co., Ltd. Co-patentee after: Guangzhou Harbor Engineering Quality Examination Co., Ltd. Co-patentee after: Guangzhou Sihang Material Technology Co., Ltd. Address before: 510230 No. 163 Qianjin Road, Guangdong, Guangzhou Co-patentee before: Zhongjiao Sihang Engineering Inst. Co., Ltd. Patentee before: CCCC Fourth Harbor Engineering Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20160904 |
|
CF01 | Termination of patent right due to non-payment of annual fee |