Build Ridge Equipment Construction Steel Box Girders

To build bridge box girders, you will need the following materials and tools:

Materials:
1. Steel plates or beams: These will form the main structural elements of the box girders.
2. Welding rods or bolts: Used to join the steel plates or beams together.
3. Reinforcement bars (rebar): Used to strengthen specific areas of the box girders.
4. Concrete: Used to fill the box girders for added strength and stability.
5. Corrosion protection coating: Applied to the steel components to prevent rust and corrosion.

Tools:
1. Welding machine: Used to weld the steel plates or beams together.
2. Cutting tools: Such as a plasma cutter or a saw, to cut the steel components to the required sizes.
3. Reinforcement bar cutter and bender: Used to cut and shape the rebar.
4. Concrete mixer: Used to mix the concrete.
5. Lifting equipment: Such as cranes or hoists, to lift and position the box girders during construction.

Here are the steps to build bridge box girders:

1. Design and engineering: Develop a detailed design and engineering plan for the box girders, considering factors such as load requirements, span length, and bridge type.

2. Fabrication of steel components: Cut the steel plates or beams to the required sizes and shapes according to the design specifications. Ensure that the components are accurately fabricated to fit together properly.

3. Welding or bolting: Join the steel components together using welding or bolting techniques. Welding is the most common method and requires skilled welders to ensure strong and secure connections.

4. Reinforcement placement: Determine the areas that require additional reinforcement and install the rebar accordingly. This is typically done by placing and tying the rebar in the appropriate locations within the box girders.

5. Concrete pouring: Once the steel components and reinforcement bars are in place, pour concrete into the box girders. This concrete filling provides additional strength and stability to the girders.

6. Finishing and protection: Apply a corrosion protection coating to the steel components to prevent rust and corrosion. This coating can be paint, epoxy, or other specialized coatings.

7. Installation: Lift and position the completed box girders onto the bridge supports using appropriate lifting equipment. Ensure that the girders are securely attached and aligned as per the design specifications.

8. Integration with the bridge structure: Connect the box girders to the rest of the bridge structure, such as the piers or abutments, using appropriate connection methods.

9. Quality control and testing: Conduct thorough quality control inspections and tests to ensure that the box girders meet the required standards and specifications.

10. Maintenance: Regularly inspect and maintain the box girders to ensure their long-term structural integrity and functionality.

Product feature:

* It is widely be used in all kinds of tunnel concrete construction.
* The product is easy to use and flexible to disassemble.
* More times turnover, low cost amortization.
* The appearance of concrete is well quality.
* Save labor cost and reduce project cost.

Advantage:

● light weight; 
● simple, strong and stable structure; 
● moved, mounted and stripped easily; 
● strong reusability; 
● small deformation under force; 
● adequate space under traveler and providing a big space for bars and formwork construction operation.

Lijian Formwork is a professional manufacturing enterprise specializing in Construction Formwork, steel structure and mechanical equipment. It can provide construction enterprises with a series of high-quality services such as formwork and steel structure engineering technical consultation, scheme design, processing and production, sales, leasing and on-site technical guidance and installation.
The company is affiliated to Beijing Lijian Engineering Technology Co., Ltd., Shandong Lijian Formwork Co., Ltd., and Anshan Lijian Engineering Co., Ltd. The company's processing bases are located in Tai'an City, Shandong Province and Anshan City, Liaoning Province. Relying on advanced technology and strong processing strength, the company's business has developed rapidly. Since its establishment, the company has participated in hundreds of major domestic projects. The company's product system is widely used in infrastructure construction fields such as high-speed railways, subways, water conservancy, expressways, underground pipe corridors, and municipal engineering. It has the characteristics of reasonable structure, convenient operation, reliable quality and high cost performance. It has established a good cooperative relationship with China Railway, China Railway Construction, China State Construction, China Hydropower, China Communications Construction, China Power Construction and other construction companies.

The company's business has expanded to 15 provinces, cities and autonomous regions across the country, and exported to the United States, the United Arab Emirates, Cambodia and other countries. At the beginning of its establishment, the company took quality and technology as the foundation of the company, and took the lead in obtaining quality certification and applying for a number of national patents. Product quality stability and technological advancement are at the forefront of the industry.
The company takes "credibility first, users first" as its corporate purpose, "quality for survival, innovation for development" as its business philosophy, and wins the trust of construction units with innovative technology and high-quality services to create good economic and social benefits for them.

Value-added services:
Provide construction plan for civil engineering and cooperate with Bidding for Party A.
Provide early product design and the most cost-effective scheme.
After sales service and technical support during construction.
Free product improvement scheme.