Access barrier equipment technology type analysis

Barrier equipment serves as a critical safety management tool, commonly installed at entrances, roads, and perimeters. Over the past few decades, it has evolved into various forms such as fixed columns, lifting columns, flip roadblocks, and flat push gates. Based on security requirements, these systems are typically categorized into high-security and general-security types. High-security roadblocks are primarily used in sensitive locations like government buildings, embassies, and banks to prevent vehicle-borne threats such as car bombs or malicious attacks. On the other hand, general-security roadblocks are more widely used in industrial, commercial, and residential areas for managing pedestrian and vehicle flow, enhancing traffic control, and ensuring public safety. **Deep-Buried Roadblocks** Most manufacturers still rely on traditional deep-buried roadblocks, which require excavation depths of 1 to 2 meters. The deeper the installation, the stronger the resistance to impact. This is because the underground structure absorbs a significant portion of the energy generated during a collision. However, despite their effectiveness, deep-buried systems come with several disadvantages: they require extensive excavation, take longer to install, pose higher risks, and are costly. In addition, encountering underground utilities like cables or gas lines can lead to major construction delays and increased costs, making the process even more complex. **Shallow Installation Roadblocks** Shallow installation technology offers an alternative by reducing the depth of excavation while maintaining the same level of impact resistance. For example, a K4-rated system (7.5-ton truck at 50 km/h) traditionally requires 180 cm of underground depth, but shallow installation can reduce this to just 80 cm. This is achieved by splitting a single column into two retractable units, similar to how an umbrella opens and folds. Other designs, such as fixed posts or flip barriers, can be installed with less than 40 cm of excavation. This method not only minimizes damage to the ground but also supports both permanent and temporary use, offering greater flexibility. **Superficial Roadblocks** To meet modern security needs—especially for anti-terrorism and stability maintenance—roadblocks must fulfill five key criteria: resist collisions at any speed, be easily transportable, operate in all conditions, allow rapid deployment, and ensure quick backup services during major events. Superficial roadblocks are designed to meet these standards. Unlike traditional systems, they are installed on the surface, causing minimal disruption. They are lightweight (300–500 kg), yet capable of stopping a 7.5-ton truck at 50 km/h. These systems can be operated manually without electricity and are ideal for both temporary and permanent use. In today’s world, where security demands are constantly evolving, superficial roadblocks have become the preferred solution. Whether for large-scale events, traffic control, or long-term protection of government buildings, schools, or banks, they offer a flexible, efficient, and cost-effective way to enhance physical security. Their quick deployment, ease of use, and adaptability make them a revolutionary advancement in modern safety infrastructure.

PVB Film-Automotive

Pvb Film-Automotive,Pvb Interlayer Glass,Pvb Film Glass,Sgp Glass Interlayer

Kerryya (Chongqing) Co., Ltd , https://www.cqhkpvb.com