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Bridge Square Wood Pine Wood-0129

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Product Description

🔹 Basic Specifications

Model NO.

yamaj-0129

Formaldehyde Standards

Material

Larch / Pine Wood

Usage

Outdoor / Bridge

Style

Modern Simple

Production Capacity

50,000 pieces/Year

HS Code

4412499090

📝 Product Description

Bridge square wood pine wood-0129

The glulam structure is categorized into two primary types: the plywood structure and the orthogonal glulam structure. Laminated glulam is ideal for large-span single or multi-storey wooden structures, providing expansive spaces with structural integrity. Orthogonal glulam (CLT) is predominantly used for floor and roof systems, or box-type wood structures.

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Technical Standards: Fiber direction must be consistent with component length. Laminated glulam sections should consist of at least 4 layers, while orthogonal components require 3 to 9 layers with a maximum thickness of 500mm.

The laminate thickness typically ranges between 15mm and 45mm, with board widths between 80mm and 250mm. All production follows strict standards such as GB/T50708 and GB/T26899 to ensure durability and strength in various environments.

🛡️ Performance & Engineering

Glulam Beams: Made from S4S pine planks, cold-pressed and glued to customized sizes. Maximum length reaches up to 30m. Complies with AS/NZS4357 F17 standards.

LVL (Laminated Veneer Lumber): Constructed from pine veneers (<3mm). Maximum length of 12m and thickness up to 150mm. High-strength material suitable for structural planks.

$Refractory Testing$

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Fire Resistance: Wooden structures form a carbonized layer during combustion, which isolates oxygen and protects the inner core. A 170mm x 340mm beam can meet a one-hour refractory limit.

Seismic Performance: Wood offers superior toughness. It generates elastic deformation under impact, helping to offset seismic loads. Its lightweight nature compared to concrete reduces overall impact force during earthquakes.

🏗️ Prefabricated Production

Factory prefabrication ensures high precision and quality control. By processing components in a controlled environment, we improve assembly speed at the construction site, reduce noise pollution, and lower overall project costs.

❓ Frequently Asked Questions

Q1: What is the maximum length of the glulam beams?

The glulam beams can be produced in customized sizes with a maximum length of up to 30 meters.

Q2: How does the wood structure perform in fire conditions?

It forms a carbonized surface layer that prevents oxygen from reaching the internal wood, effectively extending the structural integrity and burning time.

Q3: What are the main differences between glulam and LVL?

Glulam is made from pine planks (cold-pressed), while LVL (Laminated Veneer Lumber) is made from thin pine veneers (below 3mm) through hot pressing.

Q4: Are these products suitable for earthquake-prone areas?

Yes, wood has excellent seismic resistance due to its toughness and high strength-to-weight ratio, allowing it to absorb impact loads better than concrete.

Q5: What formaldehyde emission standard do these products meet?

All products meet the E0 formaldehyde emission standard, ensuring they are environmentally friendly and safe for use.

Q6: What are the typical applications for orthogonal glulam?

Orthogonal glulam is primarily used for floor panels, roof panels, and wall panels in single or multi-layer box-type wooden buildings.