Container House on Rainy Days
The safety of container houses on rainy days needs to be discussed on a case-by-case basis. Under normal circumstances, safety can be guaranteed, but extreme heavy rain may lead to structural hazards and living inconveniences.
High safety under normal rainfall Container houses are connected to the foundation with steel structures, forming a lightning protection system similar to a Faraday cage. When the current flows through the light steel into the ground, it is quickly dissipated. Moreover, the interior uses insulating materials, so there is no need to worry about electric shock in thunderstorm weather. Their seismic performance is also excellent. Taking Chengdong Housing products as an example, they can withstand an earthquake intensity of 8 degrees (equivalent to a magnitude 6.4 earthquake). The light steel structure is resilient in earthquakes and can effectively reduce the degree of damage. In terms of wind resistance, the standard product design wind pressure meets 0.45KN/㎡ (about a force 10 wind). If the wind force at the project site is greater, safety can be enhanced by reinforcing the house structure (such as increasing the cross-sections of beams and columns and adding reinforcement fittings) or taking external auxiliary measures (such as wind-resistant cables). Projects in places like the Bahamas and Mauritius have verified that they can withstand winds of force 12 or above, and even force 17 hurricanes.
Two types of risks that extreme heavy rain may cause
- Structural and electrical hazards: During the Nagoya Asian Games, the hourly rainfall reached 104.5 millimeters (breaking the local record), and some container houses leaked water, leading to the emergency evacuation of about 400 athletes. Although the steel structure itself is corrosion-resistant, long-term soaking may cause the foundation to loosen and the connections to rust. If the electrical circuits are not waterproofed, there is also a risk of short circuits.
- Deterioration of the living experience: The container dormitories for the Chinese men's basketball team in Nagoya housed three people per room, sharing one toilet and one shower room, with cramped space and poor privacy. The heavy rain caused the venue to leak and training to be interrupted, further exacerbating the physical and mental stress on the athletes. In addition, if the drainage design of container houses is inadequate, the walkways are prone to water accumulation, increasing the risk of slipping.
Suggestions for improving safety In extreme weather conditions, it is necessary to check the structural integrity, electrical waterproofing, and drainage system of container houses in advance. During daily use, safety can be improved by adding lightning protection equipment, reinforcing the house structure, and optimizing the drainage design.
