We have a tilt up project where several of the panels are all cracked in a similar manor and similar location. Each of the panels is independent (e.g. not tied vertically to the panel beside it). We believe that the contractor may have driven a crane along these panels, however wanted to lean...
We have a client that want's to do a 42' tall panel x 2'-0" wide, the panel will be supported on each side - however a question was asked about lifting the panel. In my research I haven't been able to find any code limits on the width/height ratio of a panel. Does anyone have experience with...
We are working on a new project in a low seismic area (SDC B) with proposed precast concrete columns in the front of the facility. The proposed lateral system will be precast concrete columns in combination with joist girders/joists used as moment frames.
From Table 12.2-1 out of ASCE 7-10 the...
I've got a project where they cored four drains in the wrong location and they need to infill. The cores are 6" in diameter and the slab is a 4 1/2" Normal Weight Concrete slab on 2" Composite Deck (6 1/2" Total Thickness) that will receive a 2" topping slab. Has anyone had to do a similar...
dcarr82775, the cages weren't too big, they used inadequate centralizers and/or didn't stabilize the cage after they dropped it into the grouted hole so it shifted.
Just an update, and a thank you for the responses. They are continuing to uncover piles and the amount out of spec has increased to 7 piles. We are allowing up to a min of 2" clear cover as IBC 1808.8.2 allows for 2.5" cover on deep foundation elements not enclosed by a steel pipe and ACI 117...
I have a project with 16" diameter auger cast piles and a cage with 7-#8 bars with #3 ties. We have specified a 3" clear for the cage, however some of the pile cages have come up with a 1 3/4" cover (project is under construction). To me this is out of specification per ACI 117 2.2.2 "-1/2...
