Keep in mind that the highest design-wind-load conditions typically occur at the corners. Since the design does not appear to have any structural columns in the end walls, the corner columns may need to be strengthened to provide adequate torque resistance. If there is an option to add structural columns to the end walls, even if they are only a few feet in-board of the corners that could provide significant structural benefits. Exterior buttresses might be another option.
Your description did not discuss the first-floor structural design. Will it be designed as a moment-resisting rigid diaphragm? If so, it can contribute to the torque resistance, but the transfer of those forces into the columns needs to be accounted for in the column sizing, bracing, connections and anchoring.
If seismic loads are a concern, the most highly loaded columns may be different than those identified by the wind-load analysis.
Bruce Clarke, P.E. M.ASCE, SECB
BH Clarke Engineering, LLC
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Bruce Clarke P.E., M.ASCE
Owner
BH Clarke Engineering, LLC
Belmont MI
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Original Message:
Sent: 07-28-2021 01:32 PM
From: Alex Thomas
Subject: Church Structure
Drawing attached is a church structure. This column alignment is this a good practice. Two storied 8m span 5bays are there. The ground floor is done. Columns are raised for first floor. Theory and practice the difference. Please clarify my doubt.
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Alex Thomas R.Eng, M.ASCE
CochinAlexThomasR.Eng, M.ASCEIndia
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