The tables permit a bearing length of up to 3 5 inches but since 1 5 is probably the worst case that you ll encounter for joist or rafter bearing it s a safe value.
American steel span foundation guide.
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American steel span has been the world s leading manufacturer of pre engineered easy to assemble steel buildings for over 50 years many of the uses including storage sheds garage kits workshops commercial storage buildings industrial warehouses and more our durable metal buildings are 100 made in the usa and backed with a 40 year limited rust through warranty.
Regardless of what type of steel building you choose you will need to consider steel building foundation options before construction your building excluding storage containers.
Before the foundation is poured the land must be professionally surveyed to ensure the building site is level and that the builders know the exact boundaries of the plot.
Table 9 1 in span tables for joists and rafters figure 5 gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1 5 inches.
Construction of a steel building or metal structure is similar to the construction of most other buildings and it all starts with a strong foundation.
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This article will help guide you through the foundation selection process.
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