I've designed a residence with (2) center posts and (2) end posts on the end walls. The length of the Girder is 40' with 12.5' end spans.
My question is innoculous enough, the end columns carry 8700# LL & 3100# DL each. With a 18" wide footer on 1500 psi soil that equates to about 5.25 linear...
I am starting a project in Coastal Maine (Hancock)in July. The soil is silt-clay-sand and is high (1/4 mi off coast, 72 ft elevation) with ledge rock all around. Ground water at 20".
We are doing a full 8' basement with walkout and 5-7 feet of backfill, full perimeter drains in & out to a...
Similar situation...differnt details:
I am starting a project in Coastal Maine (Hancock)in July. The soil is silt-clay-sand and is high (1/4 mi off coast, 72 ft elevation) with ledge rock all around. Ground water at 20".
We are doing a full 8' basement with walkout and 5-7 feet of backfill, full...
