CN220247691U - 一种水平洞口定型防护结构 - Google Patents
一种水平洞口定型防护结构 Download PDFInfo
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- CN220247691U CN220247691U CN202321632127.6U CN202321632127U CN220247691U CN 220247691 U CN220247691 U CN 220247691U CN 202321632127 U CN202321632127 U CN 202321632127U CN 220247691 U CN220247691 U CN 220247691U
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- steel
- horizontal hole
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- 238000007493 shaping process Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 147
- 239000010959 steel Substances 0.000 claims abstract description 147
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 8
- 230000007306 turnover Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
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CN202321632127.6U CN220247691U (zh) | 2023-06-26 | 2023-06-26 | 一种水平洞口定型防护结构 |
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CN202321632127.6U CN220247691U (zh) | 2023-06-26 | 2023-06-26 | 一种水平洞口定型防护结构 |
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CN220247691U true CN220247691U (zh) | 2023-12-26 |
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CN202321632127.6U Active CN220247691U (zh) | 2023-06-26 | 2023-06-26 | 一种水平洞口定型防护结构 |
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CN (1) | CN220247691U (zh) |
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2023
- 2023-06-26 CN CN202321632127.6U patent/CN220247691U/zh active Active
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240325 Address after: 511400, 5th Floor, Building 2, China Railway Construction Global Center, Jingang Avenue (west side of Nansha District Government), Nansha District, Guangzhou City, Guangdong Province Patentee after: CSCEC the Pearl River Overseas Development Co.,Ltd. Country or region after: China Address before: 5 / F, building B, No. 16, Keyun Road, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee before: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION CORP.,LTD. Country or region before: China |
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TR01 | Transfer of patent right |