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  • Introduction of Steel Truss Bridge

Introduction of Steel Truss Bridge

Here's a concise comparison of steel truss bridge types and their key differences:
+86 17305413116
+86 17305413116
jack@xingyasteel.com
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Product Parameters

railway bridge.jpg


Here's a concise comparison of steel truss bridge types and their key differences:

Types of Steel Truss Bridges

TypeConfigurationSpan RangeKey FeaturesProsConsBest For

Warren Truss

Equilateral triangles

50-250m

Uniform load distribution

Lightweight, fewer members

Requires precise connections

Highway/railway bridges

Pratt Truss

Diagonal slopes to center (↓)

50-150m

Efficient for point loads

Simple design, good for heavy loads

More material than Warren

Railway bridges

Howe Truss

Diagonal slopes from center (↑)

30-100m

Better for timber combos

Easy assembly

Less efficient than Pratt

Historic/rehab bridges

K-Truss

"K" shaped web members

100-350m

High stability

Resists buckling

Complex fabrication

Long-span heavy loads

Baltimore Truss

Pratt variant with sub-beams

100-200m

Extra stiffness

Handles heavy point loads

Higher cost

Heavy rail bridges

Parker Truss

Curved top chord

80-300m

Arch-like shape

Aesthetic appeal

Complex engineering

Landmark bridges

Lenticular Truss

Lens-shaped (top/bottom curves)

50-150m

Aerodynamic

Wind-resistant

Limited span capacity

Scenic/pedestrian bridges

Bailey Truss

Modular panels

30-60m

Prefabricated

Rapid deployment

Lower load capacity

Military/temporary bridges

Key Differences Explained

  1. Load Transfer:

    • Pratt/Howe: Ideal for concentrated loads (railway traffic)

    • Warren: Best for uniform loads (highway bridges)

    • K-Truss: Handles combined loads (heavy + dynamic)

  2. Span Efficiency:

    • Short spans (<100m): Pratt/Howe

    • Medium spans (100-200m): Warren/Baltimore

    • Long spans (>200m): K-Truss/Parker

  3. Construction Complexity:

    • Simple: Warren (fewer members)

    • Complex: K-Truss (many small elements)

    • Rapid: Bailey (modular assembly)

  4. Aesthetics:

    • Industrial: Pratt/Warren

    • Architectural: Parker/Lenticular

  5. Material Usage:

    • Most efficient: Warren (least steel)

    • Least efficient: Howe (more members)

Selection Guide

  • Railway Crossing: Pratt/Baltimore (handles heavy point loads)

  • Highway Bridge: Warren (cost-effective for medium spans)

  • Emergency Use: Bailey (quick assembly)

  • Signature Design: Parker/Lenticular (visual impact)

  • Extreme Span: K-Truss (stability for >300m)

Technical Notes

  • Warren trusses save ~15% steel vs. Pratt

  • K-Truss can reduce deflection by 20% vs. Warren

  • Bailey bridges assemble 3x faster than conventional trusses


Packaging and Transportation

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Instruments and Equipment

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FAQ

Q: How can I get a quote for my project?

A: You can contact me anytime, via WeChat, WhatsApp, Email, or phone. I will get back to you as soon as possible.
jack@xingyasteel.com
+86 17305413116
+86 17305413116

Q: How long can I get the price?

A: If possible, please provide project CAD drawings, pictures or specific requirements. We usually quote within 6 hours. If you want to get a quote as soon as possible, please let us know via WeChat, WhatsApp or email so that we can prioritize your inquiry.

Q: Can we visit your factory?

A: Of course, we welcome you to visit our factory or production line on site to understand our strength and quality. We will arrange a professional team to serve you. You just need to send your itinerary and leave the rest to us.

Q: Do you provide customized product services?

A: Of course, our professional R&D team can design and produce the products you need according to your specifications and drawings. For example: special size, special control, OEM, etc.

Q: Where is the loading port?

A: Normally, we ship from Tianjin Port, Qingdao Port and Shanghai Port. Of course, we can also accept the port you specify.

Q: How to package the product?

A: According to the characteristics of the product and the mode of transportation, fix it in the most appropriate and stable way to ensure that there will be no bumps, corrosion, scratches and other problems during transportation.

Q: What if I have no import experience?

A: We have extensive export experience. Tell us what you need and we will take care of the rest! We will help you choose the most appropriate shipping service to get your products to where they need to be safely and accurately.

Q: Can you provide on-site installation service?

A: We can provide installation guidance service according to customer requirements. Construction drawings, installation drawings and videos will be sent to customers to help on-site installation. If necessary, our engineers will go to the site to guide the installation.

Q: How long is the delivery time?

A: It depends on the order quantity. Generally, the delivery time is about 10-20 days.

Q: What is your payment terms?

A: Payment ≤1000USD, 100% in advance. Payment ≥1000USD, 40% T/T in advance, the balance to be paid before shipment.

Q: How can I place an order if my trial order does not reach your MOQ?

Q: How can I place an order if my trial order does not reach your MOQ?
A: If your trial order is a small order, we can also provide the goods, we can communicate anything.

Q: How do you control product quality?

A:
1. Design quality: Consider possible problems in advance and provide high-quality design solutions.
2. Raw material quality: Select qualified raw materials
3. Production quality: Precision manufacturing process, experienced workers, strict quality inspection.

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