GB/T 34206-2017 in English
SUPERSEDEDHigh corrosion resistance alloy rebars for the reinforcement of marine concrete
- Issued on:2017-09-07
- Implemented on:2018-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
《GB/T 34206-2017海洋工程混凝土用高耐蚀性合金带肋钢筋》由TC183（全国钢标准化技术委员会）归口，TC183SC7（全国钢标准化技术委员会钢筋混凝土用钢分会）执行，主管部门为中国钢铁工业协会。
Introduction
Interpretation of the National Standard of the People's Republic of China GB/T 34206-2017
1. Background and Significance of the Standard
GB/T 34206-2017 "High Corrosion Resistant Alloy Ribbed Steel Bars for Marine Engineering Concrete" was issued in 2017, mainly to regulate the corrosion resistance of steel bars in concrete structures used in marine environments. With the rapid development of marine engineering construction in my country, the corrosion resistance of traditional steel bars in harsh environments such as salt spray, humidity and heat is insufficient, so this standard came into being.
2. Comparison of standard frameworks
| Chapter number | Content summary | Key indicators |
|---|---|---|
| 1 | Scope | Applicable to high corrosion resistant alloy ribbed steel bars for marine engineering concrete. |
| 4 | Terms and definitions | Clearly defines the definition and chemical composition requirements of high corrosion resistant alloy steel bars. |
| 7 | Technical requirements | Includes detailed indicators such as chemical composition, mechanical properties, and corrosion resistance. |
3. Implementation Suggestions
Case Study: In the construction of a coastal port, HRB500M steel bars were used to replace ordinary hot-rolled ribbed steel bars, which significantly reduced the corrosion rate. The improvement in its corrosion resistance was verified by simulated marine environment tests (such as salt spray tests).
Implementation Suggestions:
- The special environmental needs of marine engineering should be fully considered during the design phase, and high-corrosion-resistant alloy ribbed steel bars should be given priority.
- During the construction process, strictly abide by the technical parameters and test methods in the standards to ensure material quality.
- Strengthen quality inspection and acceptance, especially the inspection of chemical composition and corrosion resistance.
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