A project currently under construction is steel framed with 8" bypass girts starting at 5'-4" above finished floor. From the floor to +5'-4" there is an 8" masonry wall with vertical #5 at 1'-4"c/c full height from the foundation. All cells are grouted full, full height. There is horizontal...
In the event that a continuous masonry bond beam's bottom elevation is the same as the bottom elevation of a steel beam (lintel, floor beam or roof beam), is it necessary to provide attachment between the bond beam reinforcement & the steel beam for continuity? We typically anchor lintel & floor...
There were some unexplained cracks in the beam bearing areas of some of the masonry walls of a 2-story building that I designed. Many of these locations were designed with reinforced masonry pilasters (projected or flush-face). The second floor beams are set, the concrete floor has been poured &...
A new truck maintenance building has a 183' long fiberglass trench drain with variable depth of 6" to 13" below fin. floor. The top of the trench drain is a attached to steel angles w/ Nelson studs that were cast into the thickened concrete floor. Due to improper bracing & over-vibration of the...
Has anyone come across any good light pole foundation design programs (shareware)? The other engineer in the office had an Excel speadsheet program that he got somewhere, but when he left the company the IT guy wiped his computer clean (nice, huh?). If someone has a recommendation it will save...
Has anyone ever come across any regulations or performance specifications for mudjacking/slabjacking? My company was contacted by a business owner who has a number of sunken (1" to 4") sidewalk panels & is concerned about lawsuits from tripping pedestrians. After determining that the cause was...
I am currently working on a high school renovation & need to evaluate the existing roof structure for capacity to carry new sprinkler lines. Does anyone out there have load tables for an obsolete precast framing system called Dox Blocks? I have searched past posts & the internet but haven't...
I am currently designing a steel frame medical office building & the architect has requested I use unshored composite steel-concrete floor beams to minimize depths & cost. The only reference I have for this type construction is the 9th Edition of the ASD Manual. I have followed the procedure...
I have a 14" reinforced masonry wall with a 42'-0" opening. I am investigating spanning the opening with a wide-flanged steel lintel beam W36x135 with a bottom plate. If I consider the opening length of 42' to be the unbraced length of the compression flange, the moment capacity is not...
A project I am working on requires a horizontally curved lintel beam with a radius = 9'-7". It will support a metal stud & gypsum bd. decorative wall that is 3'-0" wide & 4'-0" tall. In plan view the lintel will form a quarter circle. Where can I find analysis/design procedure for this lintel...
