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Solar carport lightweight structures are innovative, low-weight frameworks designed to support solar panels over parking areas, combining renewable energy generation with vehicle shelter. These structures prioritize weight reduction without sacrificing strength, using advanced materials and engineering to achieve spans of 4–8 meters while keeping per-square-meter weight below 50 kg (critical for avoiding excessive load on parking lot surfaces). The primary material is high-strength aluminum alloy (6082-T6), chosen for its excellent strength-to-weight ratio, corrosion resistance, and ease of fabrication; some components (like connection brackets) may use galvanized steel for added durability. The frame design features hollow sections and optimized truss patterns, reducing material usage while distributing wind and snow loads evenly across the structure. Lightweight solar carports often incorporate modular assembly, with pre-fabricated beams and columns that bolt together on-site, cutting installation time by 30–50% compared to traditional steel carports. This modularity also allows for easy expansion—adding more bays as parking or energy needs grow. The structures support standard solar panels (60-cell or 72-cell) with rail-based mounting systems, tilted at 10°–30° for optimal sunlight capture. They include integrated drainage (gutters and downspouts) to channel rainwater away from parked vehicles and may feature LED lighting or EV charging ports for added functionality. Compliance with standards like AISC 360 (structural steel) and ASCE 7 (load requirements) ensures they withstand wind speeds up to 160 km/h and snow loads up to 4 kN/m². For businesses, lightweight solar carports offer a dual benefit: reducing electricity costs through on-site generation and enhancing customer/employee convenience with shaded parking. Their low environmental impact—from reduced material use to renewable energy output—aligns with sustainability goals, making them a smart choice for airports, shopping centers, and corporate campuses.
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