Reticulated steel cable system in membrane structure building

System Overview
The networked steel cable system in membrane structures typically refers to a diagonal steel cable network that envelops the entire outer membrane through cross steel cables arranged in a crisscross pattern. Its primary function is to evenly distribute external forces (e.g., wind or snow loads) imposed on the air-supported membrane to the ground anchor system, significantly reducing the load borne by the membrane itself.

Structural Features

1. Full Enclosure & Load Distribution
   The diagonal steel cable network fully wraps the outer membrane, effectively transferring membrane loads to the cable system and dispersing them evenly to the anchor system. This design minimizes membrane stress, optimizes stability against extreme weather (e.g., storms and heavy snow), and extends the structure’s lifespan.

2. Adjustable Internal Pressure
   The system allows membrane pressure to be regulated within a range of 1.5–3.0 kPa, tailored to geographic requirements. This adaptability enables resistance to winds up to 150 mph (67 m/s) and snow loads of 20–50 pounds per square foot (0.96–2.4 kPa).

Application Advantages

1. Enhanced Stability
   The unique diagonal cable network reduces membrane loads by approximately 6 pounds per square foot (0.29 kPa) under hurricane-force winds, far outperforming non-networked systems.

2. Climate Resilience
   Suitable for diverse climates and terrains, the system ensures structural safety and stability against extreme weather, including heavy snow and high winds.

3. Cost Efficiency
   By reducing membrane stress, the system extends the building’s lifespan and lowers maintenance costs.

Technical Implementation
The steel cable network is distributed along predefined lines or curved surfaces, offering design flexibility. The entire structure can be segmented into prefabricated sections based on curvature or perimeter geometry, enabling assembly to accommodate complex architectural shapes and functional requirements.