METAL STORAGE CONTAINERS
20ft Galvanized Steel Containers Available For Sale
If you are either looking for extra storage for yourself or if you need containers for your storage facility, these metal containers are the solution. They are excellent for protecting goods and keeping products secure.
20ft Metal Storage Container
$2,000 + delivery + tax
Weight: 1,565 lbs
Length: 20’
Width: 7’1’’
Height: 7’3’’
1.25 inch wooden floors
22 gauge galvanized steel side walls
11 gauge steel corner plates
Advantages
Reinforced easy-open doors
Flatpacks – the containers can be folded and stacked to save space and reduce transportation costs
Special designed corners allow for crane transportation and for the containers to be stacked on top of each other
Questions?
metal@usacontainers.co
Experimental testing of a folding storage container.
- Research Objective
The aim of the research was to determine the maximum values of
external loads acting on the structure of a folding storage container causing its deformation. Deformation
was defined as one that does not subside when the stress that caused it is removed. Accordingly, it was
assumed that the folding container guarantees full functionality until deformation occurs. - Run of the Study
To achieve the goal of the research, it was needed to conduct an experiment which involved incremental
loading of the roof of the container and simultaneous monitoring for the occurance of deformation or
other damage. The experiment was carried out for the container type: 6M. – figure 1.
Figure 1. Folding container type: 6M.
A schematic of the experimental station is shown in Figure 2.
Figure 2. Experimental station
In the presented experiment the external load was realized by placing water tanks on the pallets and then
on the roof of a container. This solution made it relatively simple to determine the value of the load
acting on the roof section.
The value of the load acting on a single roof section can be
determined from the relation:
F = (V ∙ ρw + mwz + mwp)g (1)
where: F – external load; ρw – water density; mwz – tank’s own weight; mwp – pallet’s own weight;
g – acceleration due to gravity; V – volume of water in the tank, determined by the relation:
V = a ∙ b ∙ h (2)
where: a, b – dimensions of the base of the inner part of the tank; h – water level height.
In addition, the use of a pallet allows a relatively good approximation of the mentioned load
continuity. This is extremely important in terms of the correct representation of the nature of the actual
load – snow.
The procedure of the conducted experimental test is given in Figure 3.
Figure 3. Procedure of the conducted tests.
The actual implementation of the experimental station with photographic documentation is shown in
Figure 4.
Figure 4. The actual implementation of the experimental tests.
According to the procedure shown in Figure 3, experimental tests were carried out starting with the roof
loading with the empty tanks and the pallets (1). Water was then slowly poured into the tanks to achieve
the quasi-static loading effect (2), which minimized the phenomena accompanying static deformation
due to the strain rate. The load was left on the roof of the container for 300 seconds. In the next step, the
applied load (3) was removed in order to examine if any deformation occurred in the structure (4). Next,
the amount of water in the tanks was increased to achieve the next load incrementation (5). Steps (2)-
(5) were repeated until deformation was found in the structure of the container. In addition, the value of
the maximum deflection of the roof section was measured each time with the help of a laser sensor.
- Calculation of the maximum allowance of wind and
snow loads
The maximum external force acting on a single roof section inducing deformation was
determined on the basis of experimental tests. In order to find the safe value of the force, the load value
from increment 6 was used for further calculations, for which a slight deformation was registered.
Accordingly, it is possible to determine the maximum allowable pressure acting on the roof and walls
(due to analogous construction) without causing generl deformation. The pressure was determined using
the following relationship:
p =
F
S
(3) where: p – applied pressure; S – roof section area.
According to relation (3), the maximum pressure acting o the roof and side wall sections is
1639.3 Pa, which translates into a wind speed of about 180 km/h, and a roof snow cover height of: 16
cm of melting snow, 19 cm of wet snow, and 75 cm of dry snow. The test was carried out for a container
section, so it is equivalent for any type of containers as follows:
Metal Box 3M ;
Metal Box 4,5M;
Metal Box 6M ;
Metal Box 3MB ;
Metal Box 4,5MB;
Metal Box6MB ;
Metal Box3MD ;
Metal Box 4,5MD;
Metal Box 6MD
