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There is a popular school of thinking surrounding the question of round shelters vs square shelters. There is no shortage of people and even “professionals” that will claim that a round shelter offers more strength than a square shelters. This couldn’t be further from the truth. It’s easy to trace the origins of this pop-culture thinking back to the Roman arch style of engineering. At the time – this style of architecture was cutting edge and far stronger than anything else. However; just as time has progressed bringing new ideas and technology; so in like fashion has our understanding of engineering grown. Round is NOT stronger than everything else. The engineering science is there and supports this fact. The best and most obvious evidence is in the buildings we pass on a daily basis. How many round buildings have you seen? My guess is not many. Sky scrapers are engineered much in the same way as the engineering behind the Rising S square bunker/bomb shelter. Just like the frame inside of high-rise buildings; the “exoskeleton” frame in Rising S bunker engineering re-distributes pressure and weight across the entire structure which essentially means no one point will ever bear the entire brunt of shifting earth. Every cross section strengthens the next.
Additionally, the pipe culvert shelters have no load-bearing internal walls like the Rising S square design. Every wall inside of the Rising S design is made of 10ga plate steel and is welded to the structure creating additional load bearing strength. In contrast; all of the floor, “walls”, and furniture inside pipe shelters is made of wood, plywood or laminate materials. These cheap solutions add no more strength and actually pose more of a threat to your safety in the event of an earthquake.
RESPONSES OF BURIED CORRUGATED METAL PIPES TO EARTHQUAKES By C. A. Davis and J. P. Bardet, Members, ASCE This study describes the results of field investigations and analyses carried out on 61 corrugated metal pipes (CMP) that were shaken by the 1994 Northridge earthquake. These CMPs, which include 29 small-diameter (below 107 cm) CMPs and 32 large-diameter (above 107 cm) CMPs, are located within a 10 km2 area encompassing the Van Norman Complex in the Northern San Fernando Valley, in Los Angeles, California. During the Northridge earthquake, ground movements were extensively recorded within the study area. Twenty-eight of the small-diameter CMPs performed well while the 32 large-diameter CMPs underwent performances ranging from no damage to complete collapse. The main cause of damage to the large-diameter CMPs was found to be the large ground strains. Pipe deformation can remain hidden for many months or even years after an earthquake, but can result in the progressive failure of pipes due to erosion, with disastrous and costly effects to supported lifelines. CMPs are commonly assumed to be resistant to strong earthquake effects (e.g., Youd and Beckman 1996) unless subjected to fault displacement and ground movement (e.g., Foundations 1973).
Space utilization is greatly diminished due to the fact that the floor has to be raised off of the bottom to accommodate enough flooring to walk on. The only place you actually get the full height of the culvert bunker is in the dead center of the walkway. The walls are rounded so you are losing almost half of the space you would have using a squared design. Another downfall is that everything built to go inside the bunker must be rounded since noting can fit flush against the rounded walls. Because the galvanization is removed during welding, no supplemental strength can be gained through adding internal walls.
Pipe culvert shelters also feel like you’re inside of a submarine. Low ceilings and steep arching walls make the shelter feel confined. (The last thing you need if you’re inside of the unit for a month or more) Every layout of a culvert shelter is tight and constrictive when compared to the roomy feel of a square shelter. Because of the limitations of working with culvert; additional branching rooms, storage areas…etc are not easily achievable. Square shelters feel like home and the floor plans can accommodate any design you may want to incorporate. (multiple rooms, multiple stories etc..)
For years competitors have slammed the rectangular design of our shelters while stating that they were not sufficient for bomb shelters. That manufacturer is now building rectangular design. Buy from Rising S Bunkers, an obvious leader in the industry where the competition is obviously just a follower.
We can also provide an airtight environment but our airtight environment comes with an Oxygen Scrubber System and a way to replenish the Oxygen otherwise you will die quickly. This is a costly process so using an an NBC Air Filtration System and creating an over-pressure environment is not only more economical it is the process used in medical laboratories throughout the world.
Our claim is that a mud room is only needed if you plan to go in and out of your bunker once the air outside has become contaminated. While this “standard” option may make you feel better you are actually giving up precious floorspace for something you will more than likely not need. However if you feel the need for this then Rising S can accommodate that request.
NASA again disagrees. Anything 30* or steeper will allow gamma rays ( the most dangerous of all radiation) to have a clear pathway to the target (bottom of your stairs). Our staircase is 39* which is obviously beyond that point.
We have an engineered design and the C channel alone is not sufficient. There are many things wrong with C Channel alone such as wall beam deflection. The competition has obviously failed to have the product designed by an engineer.
We claim that “Under Floor Storage” is just another way in saying “hard to get to storage. It also shows that the interior of the competitions shelter is built from wood materials that are prone to rot, hold bacterial spores and is very prone to fire. Wood is a VERY CHEAP and INEXPENSIVE way to build the interior of a shelter. It will not last.
We claim to only need one of our Bullet Proof Doors to stop bullets.
We say there is no such thing as gas tight or bullet proof in a shelter built with a wooden interior.
Are you looking for the ultimate in safety and security for you and your family? Look no further! Rising S Bunkers offers the highest quality underground shelters, customized to meet your specific needs. Whether it’s a bomb shelter, a survival bunker, or a safe room, we deliver and install anywhere in the world.
Don’t wait for peace of mind—contact us today to discuss your project and see how we can help protect what matters most to you. Start your journey to safety with Rising S Bunkers, where your security is our priority. Secure your future now!
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