What is a 38×500 mm Dowel Bar?
A 38×500 mm Dowel Bar is a heavy-duty smooth round steel bar used in concrete pavements, highways, airport runways, industrial floors, and bridge decks to transfer loads across expansion and contraction joints. The dowel bar allows horizontal movement caused by temperature changes while maintaining load transfer efficiency between adjacent concrete slabs, thereby reducing cracking, differential settlement, and joint faulting.
38×500 mm Dowel Bar Price in India
The price of 38×500 mm Dowel Bars depends on steel grade, surface finish, order quantity, coating requirements, and project specifications.
- ✔ MS Dowel Bar Manufacturer Direct Pricing
- ✔ Epoxy Coated Dowel Bar Price Available on Request
- ✔ Bulk Order Discounts Available
- ✔ PAN India Delivery
- ✔ Export Orders Accepted
- ✔ Ready Stock for Fast Dispatch
Contact AMCO Exports for the latest 38×500 mm Dowel Bar price and bulk quotations for highways, airport runways, industrial flooring, and infrastructure projects.
Applications of Dowel Bars in Concrete Pavements
Dowel bars play a critical role in rigid pavement construction by transferring loads between adjacent concrete slabs while permitting controlled slab movement caused by thermal expansion and contraction.
- Highway Concrete Pavements
- Airport Runways and Taxiways
- Industrial Flooring Systems
- Warehouse Floors
- Bridge Deck Expansion Joints
- Expressways and Heavy Traffic Roads
- Container Yards and Port Infrastructure
Concrete Slab → Dowel Bar → Concrete Slab
The dowel bar transfers wheel loads efficiently, minimizes joint faulting, reduces slab cracking, and improves pavement life under repetitive heavy vehicle loading conditions.
Dowel Bars in Column Construction
Dowel bars are also used in reinforced concrete column construction to provide reinforcement continuity and load transfer between successive concrete pours. They improve structural integrity and help maintain alignment between existing and newly cast concrete sections.
- Vertical Construction Joints
- Load Transfer Between Concrete Pours
- Shear Resistance Improvement
- Reinforcement Continuity
- Column Extension Works
- Bridge Pier Construction
- Industrial RCC Structures
Difference Between Dowel Bars and Tie Bars
| Parameter | Dowel Bar | Tie Bar |
|---|---|---|
| Surface | Smooth | Deformed |
| Purpose | Load Transfer | Hold Slabs Together |
| Movement | Allows Movement | Restrains Movement |
| Coating | Epoxy Coated or Galvanized | Usually Uncoated |
| Application | Expansion Joints | Longitudinal Joints |
32 mm vs 38 mm Dowel Bars
| Parameter | 32 mm Dowel Bar | 38 mm Dowel Bar |
|---|---|---|
| Highway Slabs | Suitable | Suitable |
| Airport Runways | Limited Applications | Recommended |
| Heavy Vehicle Loading | Moderate | High |
| Weight | Lower | Higher |
Installation Guidelines for Dowel Bars
- Install dowel bars parallel to the pavement surface and centerline.
- Maintain standard spacing of approximately 300 mm centre-to-centre unless specified otherwise.
- Ensure proper alignment to avoid restraint and pavement distress.
- Apply bond breaker coating on one-half of the dowel bar to permit slab movement.
- Use dowel bar caps or sleeves where specified for expansion joints.
- Verify spacing and alignment before concrete placement.
Why Choose AMCO Exports for Dowel Bars?
- ✔ Manufacturer Since 1989
- ✔ 35+ Years of Manufacturing Experience
- ✔ High-Strength Mild Steel and Fe500 Grades Available
- ✔ Plain, Epoxy Coated, and Hot-Dip Galvanized Finishes
- ✔ Material Test Certificate (MTC) Available
- ✔ Third-Party Inspection Certification Available
- ✔ Load Test Certificate Available
- ✔ Customized Sizes and Project Specifications Available
- ✔ Bulk Supply Capability for Infrastructure Projects
- ✔ Export Packaging and Worldwide Delivery Support
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Frequently Asked Questions
Q1: What is a 38×500 mm Dowel Bar used for?
Ans : 38×500 mm Dowel Bars are used in concrete pavements, highways, industrial floors, bridge decks, and airport runways to transfer loads across expansion joints while allowing controlled slab movement.
Q2:What is the weight of a 38×500 mm Dowel Bar?
Ans :A 38 mm × 500 mm smooth round steel dowel bar weighs approximately 4.45 kg per piece.
Q3:What is the standard spacing of dowel bars?
Ans :Dowel bars are generally installed at approximately 300 mm centre-to-centre spacing, depending on slab thickness and pavement design requirements.
Q4:What is the difference between dowel bars and tie bars?
Ans :Dowel bars transfer loads and allow horizontal slab movement, whereas tie bars hold adjacent slabs together and restrict movement.
Q5:Are 38×500 mm Dowel Bars suitable for highways?
Ans :Yes. 38×500 mm Dowel Bars are widely used in highways, airport pavements, industrial flooring, and heavy-duty infrastructure projects that require high load transfer efficiency and long service life.
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Dowel Bars,
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