The thermal expansion and contraction coefficient of materials used in urban outdoor furniture directly dictates critical installation gap requirements. Materials expand when heated and contract when cooled, necessitating precise间隙设计 to prevent structural damage, surface warping, or safety hazards. For metallic furniture like aluminum or steel benches, coefficients typically range from 12-24 μm/m·°C, requiring 3-5mm gaps per meter of length in temperate climates. Polymer-based materials (e.g., HDPE) exhibit higher coefficients (50-200 μm/m·°C), demanding larger 8-12mm gaps. Installation must account for local temperature variations—wider gaps in regions with extreme seasonal swings (±40°C+). Proper gap calculation prevents buckling in summer and avoids stress fractures in winter. Best practices include: directional alignment for linear expansion, compressible filler materials for concrete bases, and ASTM/German DIN standard compliance for public safety. Failure to accommodate these coefficients risks costly maintenance and reduced furniture lifespan in urban environments.
What requirements does the thermal expansion and contraction coefficient of the material of urban outdoor furniture have on the installation gap?
If you have any different opinions or need to consult us further, please pay attention or send us an email. We will reply to each of you individually! Thank you for your support and trust!