YB/T 4543-2016 in English
VALIDZinc-5% aluminum-mixed mischmetal alloy-coated cable for building engineering
- Issued on:2016-04-05
- Implemented on:2016-09-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$369.00
| Standard No: | YB/T 4543-2016 |
| Document status: | VALID |
| Title in English: | Zinc-5% aluminum-mixed mischmetal alloy-coated cable for building engineering |
| Title in Chinese: | 建筑工程用锌-5%铝-混合稀土合金镀层拉索 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2016-04-05 |
| Implemented on: | 2016-09-01 |
| Professional Classification: | YB-Metallurgy |
| Related Keywords: | aluminum-mixed mischmetal alloy-coated cable
standard technical dimension hot-cast cable stadium cable membrane structure cable engineering introduction analysis |
| Related Topics: | Alloy coating
yb/t4506-2016 Rare Earth Alloys and Rare Earths construction work Rare earth alloy series cable for construction Galvanized gold wire screw for construction House construction cable Rare earth alloy execution Rare earth nickel-based alloy gost 4543-2016 |
本标准规定了建筑工程用锌-5%铝-混合稀土合金镀层拉索的术语和定义、分类与标记、订货内容、尺寸及允许偏差、技术要求、检验方法、检验规则、标志、质量文件、包装、运输与贮存。
本标准适用于建筑工程用锌-5%铝-混合稀土合金镀层拉索。
Introduction
Analysis of the core content of the standard
| Technical dimension | Hot-cast cable | Pressed cable |
|---|---|---|
| Anchoring method | Zinc-copper alloy casting (H type) | Mechanical pressing (P type) |
| Strength reduction factor | 0.86-0.90 | 0.9×0.88=0.792 |
| Fatigue performance | 2 million cycles | 75,000 cycles |
Key technical requirements
1. Material specifications
Steel strands shall comply with the YB/T 4542 standard. The rare earth content in the zinc-5% aluminum-rare earth alloy coating directly affects the corrosion resistance. Anchor materials must meet the following requirements:
- Ultrasonic flaw detection of forgings meets GB/T 4162 Class B
- Magnetic particle testing of steel castings reaches GB/T 9444 Class 2
2. Mechanical property control
Typical case:A stadium cable membrane structure uses φ50mm hot-cast cables, which need to be over-tensioned with 1.25 times the design tension (≥45% breaking force), and the outward displacement is ≤6mm.
Static load test formula: Fch,min=Ac×Rt×K1/1000 (hot casting)
Implementation suggestions
- When the length is greater than 100m, temperature deformation must be compensated (ΔL=αLΔT)
- Pressed cables are preferably used in short-term load scenarios
- Diameter of the coil during storage ≥ 20 times the diameter of the steel strand
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