Commentary section C15.5.2 states; "Single-column pipe racks that resist lateral loads should be designed as inverted pendulums."
That leaves little to no room for interpretation.
The definition of Cantilevered Column System given in 11.2 seems to refer to a structural framing system in which...
Good question. The detail you provided is a common one. I've never seen or heard of concrete cracking developing around
the steel embed plate due to the steel plate expansion. I would guess that the heat in the plate dissipates by absorption into
the concrete preventing any expansion large...
ASCE 7-16 Table 15.4-2: Inverted pendulum type structure: Detailing Requirements are listed as "Sec. 12.2.5.3".
The only requirement listed in Section 12.2.5.3 is the moment at the base shall be calculated per procedures given in Section 12.8, which contains
the Equivalent Lateral Force...
An existing foundation which supports a vertical vessel is to be utilized to support a new, heavier vessel.
The foundation was constructed approximately 55 years ago (late 1960's).
In general the soil is Silty Clay.
In general, does the long term loading under the existing foundation lead to...