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欧州
豪州 / NZ
- Load immediately – no cure time
- Wedge, sleeve, undercut, screw anchors
- Cracked concrete versions (ETA / ESR)
- Zinc, HDG or stainless
- Removable screw anchors
- Through-fixing installation
When to use
Mechanical anchors suit fixings that must be loaded at once, temporary works and light to medium loads with generous edge distance. Expansion anchors push against the hole wall, so they need more edge distance and spacing than bonded anchors.
Types
| Type | How it holds | Notes |
|---|---|---|
| Wedge (stud) anchor | Torque pulls a cone into an expansion clip | Common, through-fixing |
| Sleeve anchor | Sleeve expands along its length | Concrete and masonry |
| Undercut anchor | Mechanical interlock with an undercut | Highest mechanical loads |
| Concrete screw | Thread cuts into the concrete | Removable, close edges |
市場別の規格と要求事項
World Steelが本製品の設計・製作・書類作成に適用する基準――および各市場における主な寸法・荷重要件。
米国
- ACI 318-19 Ch. 17Anchoring to concrete
- ACI 355.2Qualification of mechanical anchors
参考用の概要です――プロジェクト仕様書、採用される基準の版、所轄官庁の判断が優先されます。
表面処理
| 表面処理 | 規格 / 備考 |
|---|---|
| Zinc | ISO 4042 |
| Stainless | A4 |
