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I have done a 4 story structure, 70% is used piled foundation, remaining part pile could not done due to hard strata there strip mat is done for foundation with 2 piled connected with raft beam two foundations didn't connected at ground level at one end the other shorter and is joined by a small...
I contacted a few Committee members on 113 and the consensus was it is up to the EOR or substation owner to determine if a particular structure in the Sub needed the individual foundations tied together as 318 wants to do. Structures that may be sensitive to movement of individua foundations or...
I am the Editor of the 2nd Edition of 113 but don't know a lot about ACI and the foundation design issues. I have sent this question to a couple of 113 committee members that know about ACI. My initial thought is the ACI deals mainly with buildings and their foundations as does ASCE 7 for...
The latest edition of the ASCE's Substation Structure Design Guide (ASCE 113-23), references ACI 318-19. Per section 18.13.4.1 of ACI 318-19 foundation seismic ties are required for piers and caissons in Seismic Design Category C, D, E and F. This provision makes sense for building design, as...
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#Seismic #EarthquakeandEarthquakeLoads #Other
Pete The intent of Section 12.13.9.3.4 is to assure that if lateral spreading occurs, and imposes permanent lateral deformation of the pile along its length, that the pile will still be able to sustain the gravity loads imposed on it and not cause collapse. The degree and rigor of analysis...
Good Day, This is my first posting, so I am grateful for any feedback/input. We have some discussions in our office related to Provision 12.13.9.3.4 in ASCE 7-16, in particular: Is the intention of this provision such that the engineer is to perform a p-delta analysis with secondary effects on...
The only load that need be considered for a pipe submerged within a basin i the inertial seismic load on teh pipe (and its contents) alone. Convective and impulsive loads, important to design of tank shells are not applicable to pipes within the basin. This is becasue the pipe is surrounded by...