Anh văn chuyên ngành neo OVM

How to overcome large spans ?ENGLISH FOR ROAD AND BRIDGE ENGINEERING Department of Road and Bridge Engineering CONSTRUCTING PRESTRESSED REINFORCED CONCRETE BEAMS WITH ANCHORAGE OVM... B

How to overcome large spans ?

ENGLISH FOR ROAD AND

BRIDGE ENGINEERING

Department of Road and Bridge Engineering

CONSTRUCTING PRESTRESSED REINFORCED CONCRETE BEAMS

WITH ANCHORAGE OVM

Basic types of machines and accessories :

Strand Pushing Machine Grouting Machine MR-60

Stressing-end Anchorage Stressing-end Slab Anchorage

+ INCLUDED:

-Wedges

- Anchor

-Bearing plate

MAIN COMPONENT OF THE ANCHORE OVM

Stressing-end Anchorage

DUCT

PRESTRESSING STEEL

Installation and Stressing

Step 1: Installation of anchor head and wedges

Step 2: Installation of spacer

Step 3: Installation of jack

Step 4: Installation of tool anchor head and tool wedges

Step 5: Stressing

Step 6: Piston returning and anchoring

Step 7: Removal of equipment and

Step 8: Grouting

Step 9: Anchorage sealing

Bai Chay Bridge:

-Single-plane cable, 5 spans -The long main span 435 m

Thank you!