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6" CMU front and rear wall for an elevator shaft

6" CMU front and rear wall for an elevator shaft

6" CMU front and rear wall for an elevator shaft

(OP)
Due an existing conditions I need to do 6" CMU front and rear wall for an elevator shaft, knowing that both sides will be 8"CMU. Do you see any problem to do this? Somebody can help to see if the 6" front and back are feasible?
Thanks

RE: 6" CMU front and rear wall for an elevator shaft

How are the corners going to be bonded? That's the only "problem" I see.

RE: 6" CMU front and rear wall for an elevator shaft

It is certainly feasible as long as you engineer the walls (both 6" and 8") for the required loads.  The elevator shaft may or may not be resisting loads from:
1.  Adjacent floors
2.  Elevator vertical loads.
3.  Elevator lateral loads.
4.  Building lateral loads from wind and seismic (is the elevator shaft serving as part of the lateral resisting system?).

 

RE: 6" CMU front and rear wall for an elevator shaft

(OP)
Thank you guys.
for Jae input
1- there are not loads for adjacent floor
2- We have cover the vertical ones. the travel distance is 12' and we have a two stories bulidng.
3- we are not concern for lateral loads in this case.
4- No, the elevator is independent of that.

Thanks again

RE: 6" CMU front and rear wall for an elevator shaft

On number 3 - all elevators have lateral loads - the elevator manufacturer should give them to you.  The elevators usually are kept in line with vertical rails (usually WT shapes) and these receive some degree of lateral loads from the movement of the elevator cab.
 

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