GB/T 34189-2017 in English
VALIDPortland cement used for pipe pile without high pressure steam
- Issued on:2017-09-07
- Implemented on:2018-08-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
| Standard No: | GB/T 34189-2017 |
| Document status: | VALID |
| Title in English: | Portland cement used for pipe pile without high pressure steam |
| Title in Chinese: | 免压蒸管桩硅酸盐水泥 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-09-07 |
| Implemented on: | 2018-08-01 |
| ICS Classification: | 91.100.10-Cement. Gypsum. Lime. Mortar |
| Chinese Classification: | Q11-Cement |
| Professional Classification: | GB-National Standard |
| Related Keywords: | pipe pile without high pressure steam
pipe pile cement high pressure steam high pressure steam introduction gb/t pipe pile |
| Related Topics: | Silicates 14 items
lead bisilicate Water quality silicate detection Aqueous silicate Steam Out of silicate Portland cement Portland cement Aqueous silicate pile Peptide Silica acid secretion free GBT34189 GB/T 34189-2017 Autoclaved phosphorus slag silicate brick Silicone oil and salt water Hydrochloric acid saturated vapor pressure acrylic cement |
《GB/T 34189-2017免压蒸管桩硅酸盐水泥》由TC184（全国水泥标准化技术委员会）归口，主管部门为中国建筑材料联合会。
Introduction
GB/T 34189—2017 Interpretation of the Standard for Portland Cement for Pipe Pile Without High Pressure Steam
1. Background of Standard Formulation and Analysis of Technology Evolution
Portland cement used for pipe pile without high pressure steam is a special cement developed to meet the demand for high-performance concrete materials in modern civil engineering. With the widespread application of prestressed concrete pipe piles (PHC pipe piles) in construction projects, their production process and performance requirements have also evolved. The formulation of the GB/T 34189—2017 standard fills the gap in the field of cement for pipe pile without high pressure steam in China, and provides a normative basis for the research and development, production and application of this material.
2. Comparative analysis of standard frameworks
| Dimensions | GB/T 34189—2017 | International standard (reference) | Old version of the standard |
|---|---|---|---|
| Terms and definitions | Newly added terms such as "pressure-free steamed pipe pile cement" and "steam-cured strength". | In line with international standards, unified definitions are adopted. | No special terminology specifications. |
| Component requirements | Specify the proportions of clinker, gypsum and admixtures (70%-90% for silicate cement clinker, 10%-30% for slag powder/fly ash, etc.). | Meet the requirements of ISO standards for high-performance cement. | The proportion of components is not specified. |
| Strength grade | Unified as 52.5MPa, codenamed PPC. | In line with European standards. | No single grade is specified. |
3. Recommendations for standard implementation
Raw material selection:Portland cement clinker must meet the requirements of GB/T21372, and slag powder should reach S95 grade or above. Gypsum material selection should give priority to natural G or M grade II and above.
Production process optimization:It is recommended to use new grinding aids (no more than 0.5% of cement mass) to improve the strength of clinker and the activity of mineral admixtures through process improvement.
Quality Control: Establish a complete factory inspection system, focusing on monitoring chloride ion content, coagulation time and steam curing intensity indicators. Users can negotiate alkali content requirements based on project needs.
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