Overview
Sleeve foundation bolts, also known as sleeve anchor bolts or grouted foundation bolts, are widely used in heavy-duty construction and machinery installations. They are designed to provide strong, stable anchoring in concrete foundations, ensuring precise alignment and long-term structural integrity.
Construction and Design
A sleeve foundation bolt typically consists of:
Main Bolt/Rod: Made from high-grade steel for maximum strength.
Sleeve (Pipe): Placed around the bolt to create space for grout or epoxy.
Anchor Plate or Hook End: Embedded in concrete for superior load transfer.
This unique design allows easy adjustment and alignment during installation while ensuring a secure, vibration-resistant hold once grouted.
Features
High tensile and shear strength
Corrosion-resistant materials (available in MS, EN8, SS 304/316)
Adjustable and reusable design
Suitable for both pre- and post-concreting applications
Available in customized lengths and diameters
Applications
Sleeve foundation bolts are essential in:
Erection of heavy machinery and industrial equipment
Construction of steel structures, towers, and sheds
Power plants, bridges, and heavy foundations
Precision alignment of large assemblies
Installation Method
Place the sleeve and bolt assembly before concreting.
Once the concrete sets, remove the bolt, clean the sleeve, and apply grout.
Reinsert and tighten the bolt to achieve the desired alignment and anchorage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | Mild Steel / Carbon Steel / Stainless Steel |
| Diameter | M12 to M100 (or as per requirement) |
| Length | Up to 2000 mm or customized |
| Finish | Galvanized / Zinc Plated / Hot Dip Galvanized |
Advantages
Simplifies installation and alignment
Provides high load-bearing capacity
Ensures long-lasting performance under dynamic loads
Customizable for various industrial requirements
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