Exterhal Post-tensioning Svstem solution

As a pioneer in the field of external post-tensioning technology in China, OVM has beensuccessfully applied in numerous new construction and reinforcement projects. Withover a decade of practical experience, OVM offer reliable system solutions for varioustypes of external prestressing structures.

Features

· The product system features outstanding fatigueresistance, anchoring performance, and corrosion resistance,
· OVM single-wire epoxy-coated strands offer excellentcorrosion protection,
· High-strength carbon fiber anchorage system can beused, characterized byits lightweightand corrosion resistance,
· Cable force monitoring system allows for real-timemonitoring of health and safety conditions;
· It is suitable for new bridge structures as well as thereconstruction,reinforcement,and maintenance ofexisting structures.

Application cases 

Editor in Chief and Participated in the Compilation of Some Standards for this System by OVM

Number Standard type Standard name Standard number Participate in editing
1 National standard Technical conditions for external prestressed cables GB/T 30827-2014 Preside over
2 National standard Single wire sprayed epoxy coated prestressed steel strands GB/T 25823-2010 Preside over
3 International norm External Tendons fo r Bridges Fib Bulletin 97 Participate in editing
4 National standard Anchors, clamps, and connectors for prestressed reinforcement GB/T 14370-2015 Participate in editing
5 Row label Anchors, clamps, and connectors for prestressed steel strands of highway bridges JT/T329-2010 Participate in editing
6 National standard prestressed concrete steel wire strand  GBIT 5224-2023 Participate in editing

 

Certificate

Guangxi Science and Technology Award Certificate

Guangxi Science andTechnology Award Certificate

National High-Tech Product Certificate

Utility ModelPatent

Appraisal Certificate

Jiangsu Sutong Yangtze River Highway Bridge (2008) 
OVM provided the external cable system

Anhui Wuhu Second Bridge, 2017

An all-external post-tensioning system bridge with a main span of 806 meters, honoredwith the Global BE Innovation Award and the George Richardson Award.

OVM provided the external cable system.

Nanchang Hongdu North Elevated Bridge, 2019

The largest main span is 150 meters, a segmental assembly bridge.

OVM provided the external cable system.

Jingkun Expressway Expansion Project, 2023
Maximum span: 125m
The upper structure of the main bridge features corrugated steel web beams and cantilever cast-in-place beams.
OVM provided the external cable system.

Guandu Yellow River Bridge, 2019
Maximum span: 120m
The upper structure of the main bridge features corrugated steel web beams and cantilever cast-in-place beams.
OVM provided the external cable system.

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