What is precast segmental box girder

The bridge viaduct is divided into small segments, that are prefabricated in the good quality control casting yard, then, delivered to install by good erection equipment.

Advantages and Benefits

1. Construction Simplicity
• easier installation of external post-tensioned tendons

2. Time Savings/Cost Effectiveness
• precast segment to be prefabricated and stored at casting yard while foundation and sub-structure are being built.
• by using efficient erection method and equipment, the rapid installation of viaduct can be achieved.

3. Quality Control Q - A/QC
• precast segment to be produced in factory-manner condition w/ good quality control.
• minimum interruption natural impacts such as bad weather, rain.
• minimum waste of material
• good precision in production
4. Inspection and Maintenance
• external prestressing tendons can be easily inspected and repaired if required.
• maintenance program can be scheduled.

Key componets

1. Casting Yard and Segment Production
(Geometry Control Program and Software)
2. Segment Erection/ Installation and Equipments

Online customer service

Mon-Fri: (other time please reserve)

08:30 - 12:00 (Beijing time)

13:00 - 17:00 (Beijing time)

All-in-one solution

Professional solution for each project

Prompt offer with competitive price

Process every unique project for client

Formwork instructors

The Boyoun formwork in­struc­tors are spe­cial­ly trained and ex­pe­ri­enced prac­ti­tion­ers who know how to install

1. Where is your factory?

Our factory is located in Binzhou city, Shandong province, where is 350km far from Beijing, 240km far from Tianjin port. Our sales office is located in Beijing city.

2. How fast can my order be delivered?

You can state your desired Delivery date for your order. The order and the desired delivery date will be checked after your order got sent.
When you receive your order confirmation, you will find the information on your final delivery date (outgoing). We will, of course, try our best to meet the specified delivery date.

3. What's the material of your products?

Steel Q235B or Q345B.