实验室真实再现极端天气下屋面积雪环境

Core Insights - The successful development of the "Large-span Space Structure Wind-Rain-Heat-Snow Comprehensive Simulation Test System" marks a significant advancement in China's ice and snow engineering research, entering a new era of comprehensive factor coupling [1][2] Group 1: Research and Development - The new system provides the world's first experimental platform to reveal the evolution mechanism of snow accumulation on roofs under the coupling effects of wind, rain, heat, and snow [1] - The system is designed to simulate extreme weather conditions, allowing for real-time monitoring and testing of snow load on large-span structures [2] Group 2: Technological Features - The system compresses the time and space scales of natural climate, enabling the simulation of the entire snow accumulation and melting process on building roofs [2] - It integrates multiple subsystems to recreate the periodic changes of snow accumulation, drifting, melting, crystallization, and re-accumulation, providing accurate data for snow load research on large roofs [2]