Find HS Code and trade information for pagoda joint

Pagoda Joint

A pagoda joint, also known as a Chinese joint, pagoda construction, or dougong (斗拱 in Chinese), is a unique structural element of traditional Chinese architecture. It is a complex bracketing system used to support the weight of a roof, distribute stress, and provide seismic resistance without the use of glue or nails.

Material:

Traditionally, pagoda joints are constructed from wood, specifically hardwoods like nanmu (a type of Phoebe wood) known for their strength and durability. Modern constructions may utilize other wood types or, in some instances, steel or concrete to mimic the appearance and function.

Purpose & Function:

• Weight Distribution: The primary function is to distribute the considerable weight of heavy tiled roofs evenly across the columns of a building.
• Seismic Resistance: The interlocking nature of the brackets allows for flexibility and movement during earthquakes, absorbing and dissipating energy. The system isn't rigid; it allows the building to sway without collapsing.
• Aesthetic Enhancement: Pagoda joints are visually striking and considered a significant element of Chinese architectural aesthetics. They demonstrate craftsmanship and symbolize status.
• Column Support: They extend the roof's load beyond the columns, creating wider eaves for better protection from rain and sun.

Usage Scenarios:

Pagoda joints are primarily found in:

• Temples & Palaces: Historically, they were extensively used in imperial and religious structures.
• Pavilions & Gardens: Smaller-scale pavilions and garden structures often incorporate simplified pagoda joints.
• Traditional Residences: More elaborate residences of wealthy families might feature these bracketing systems.
• Stage Structures: Chinese opera stages frequently employ pagoda joints for both structural support and decorative purposes.

Common Types & Components:

The pagoda joint is not a single component, but a system built from several interlocking pieces. Key components include:

• Dou (斗): The block that sits directly on top of the column, providing a base for the system.
• Gong (拱): The curved bracket that extends outward from the dou, supporting the next layer of brackets.
• Ang (昂): A longer, angled bracket that projects further outward than the gong.
• Sua (梭): Short wooden blocks used to connect and support the various brackets.
• Leng (棱): A component used to support the roof beams.
• Chi (替): A horizontal beam that sits atop the brackets, supporting the roof structure.

Complexity & Construction:

The complexity of a pagoda joint varies significantly. Simpler systems may have only a few layers of brackets, while more elaborate designs can have multiple, deeply nested layers. Construction requires highly skilled carpenters with a deep understanding of wood joinery and structural principles. The precise arrangement and interlocking of the components are crucial for the system's stability and effectiveness.

Based on the provided information, determining the precise HS code for "pagoda joint" requires careful consideration of its material, function, and application. However, without further details, several HS codes may be relevant.

Here are potential HS codes based on the available data:

• 6801000000: Setts, curbstones and flagstones, of natural stone (except slate). This code applies to stone components used in construction, which could include joints for structures like pagodas if they are made of natural stone.

  • 68: Chapter 68 covers articles of stone, plaster, lime, cement, or concrete.
  • 01: Heading 01 specifically covers setts, curbstones, and flagstones.
  • 000000: This further specifies the subheading for these articles made of natural stone (excluding slate).

• 3916903000: Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics: Of other plastics: Other: Monofilament. If the pagoda joint is made of plastic and is in the form of a rod, stick, or profile shape exceeding 1mm in cross-section, this code may apply.

  • 39: Chapter 39 covers plastics and articles thereof.
  • 16: Heading 16 covers monofilament, rods, sticks, and profile shapes of plastics.
  • 903000: This further specifies the subheading for these articles made of other plastics, specifically monofilament.

• 3916905000: Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics: Of other plastics: Other: Other. If the pagoda joint is made of plastic and is in the form of a rod, stick, or profile shape exceeding 1mm in cross-section, this code may apply.

  • 39: Chapter 39 covers plastics and articles thereof.
  • 16: Heading 16 covers monofilament, rods, sticks, and profile shapes of plastics.
  • 905000: This further specifies the subheading for these articles made of other plastics, not specifically monofilament.

According to the provided reference material, the HS code options related to 'pagoda joint' are limited, with only the following 3 found.

It is important to note that the final HS code determination depends on the material composition and specific characteristics of the pagoda joint. If the joint is made of a material not covered by these codes, further investigation would be necessary.