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lS0 $tripping Containers and Building Code Requirements
General Comments on IS0 Shipping Container's Inherent Gapacity to
Satifl Building Code Requirements in Shipping Container House
Applicationsr
IS0 fr'tpp6g nrgo containers rre tested in accordance with the requirements of Intemational Standard IS0 1496/1 which stipulates static and dynamic design load
fastors t$ i,E romplied with. In the case of a 20' steel containq it is designed to have a maximum gross weight of 52,910 lbs iUpkally has a tam udght of around
5,000lbandrilayload(plpotentialof47,910lbs), ltecontainerwhenloadedtoitsmaximumgrossweightmustbecapableofwithstandingimpoxdloadsoflg
downlrar*,,0,69 lateral and 29 longitudinal plus be able to withstand eight 5imilar containers loaded to maximum gross weight stacked on bp sf it jn a ships hold or
at a lrnd hrminal. It therefore has a very sever operational lffe and, notwithstanding its low tate weight it is very strongly built.
The side rmlb and end walls/doors have to withstand loadings of 0.6P and 0.4P respectively, these values equate t028,746 lbs and 19,164 lbs ba$d uFon he
paylsad liwn above, Ite side wall area in contact with the load is 146.56 sq. ft, giving a pressure of 196 lbslsq. ft. Conesponding figures fnritre erd walUdoon are
51.7Bsq,ft,and370 lbs/sq,ft. Thesefiguresarewell inexcessof the20 lbs/sq,ft.windloadrequiredforstructureslessftan50ft'high' Awindofl00F|PH
producesrpressure of only 30 lbs/sq, ft,7?Otb5 ?r-G tA€T
The roofllnndtest is 660 lhs 0vef an area of Z' x 1' applied to the weakest part of the rool 'lhe load is usually applied at the center of Sre roilhiners Positioned wittl
the 2' dimnnsion aliqned longitudinally, Ttrus the roof is able t0 support an imposed load of a minimum of 330 lbs/sq. ft. the design is easil{ npable d supporting
the barksnnw lsads of 30 lbs per sq, ft, evenly distributed'
Itisdffiruhbquantifyup1ftandsuctionforces, Unlikeabuilding,theroofofacontainerisanintegralpartofthestructure;itisrontinuouslyweldrdaroundits
entire mdshery and is itself made tom sheets of conugated 14 ga. Cor-Ten steel also continuously welded together, This steel, also used forthe side and end walls
has a minimlm yield strength of 50 ltsi, and tensile of 70 ksi. The probability of the roof being removed by these forces is pnrticilly zero ai the enlirs container
stnrcturc umilld have to bB destroyed for this to happen.
Howeyer,:it b not unusual for the complete container to be lifted or blown over ff it is not secured to the ground in storm or huniGne condillou, This uould be
preveflled bv idequate {oundation design which is the responsibiliff of the customer, As you know when tontainers do blow over in cantainer }lrd5 the resulEng
damale ib alrnost always minimal, another testimonial ts their skeng$'
Theflporb#rignt0prssargncentratedloadtestof16,000lbsoverafootprintofq4sq.inches, Thefloorhasalsobeendesignedtopassahsttttwireitsnted
paylord rslnc'rty of 47,895 for a 20 container and 58,923 lbs for a 40' container when evenlY distributed.
The boxs,an suitable for earttrquake areas of seismic rating of up to the California standards,
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