I have a project that has experienced deterioration of the lower 2-4 " of the OSB wall sheathing. The bldg is framed w lt gage metal studs acting w the OSB as a shear wall.The building is 4 Stories. Exterior is clad with a brick veneer. Questions are as follows. how critical is the...
I have project that has a longitudinal crack in the PT slab The crack runs along a single curved strand line near the longitudinal center of the rectungular slab (280'x100'). The crack is <1/16" wide and is not vertically offset. The crack runs the entire width of the slab and.
The slab is...
A project I am reviewing has experienced cracking of the gypsum-containing grout poured in formed sockets in a PT concrete slab to secure aluminum guardrails. The cracks radiate from the rail to the edge of the formed socket. The grout material is also "soft" and can be chipped away with a...
I have an existing LVL 14"x3.5" with a span of 18'. Applied moment is 300k-in. The last 6' of the beam has been significantly deteriorated by water damage. It is the contractors desire to leave as much of the existing beam in place as possible due to its situation over HVAC, electrical, etc...
We have exposed a P.T. slab edge which, after the mortar plug fell out, revealed a single location where the 2-piece cleat is not recessed with in the socket and is loose enough to be moved by finger pressure. (it appears that it was never tensioned, but the cable end was cut.) The question is...
I have a condominium project where lack of cover has resulted in the corrosin of rebar and spalling of the concrete surface of a few balconies. The floor is post tensioned with 10'-0" lengths of #4 bars placed at regular intervals perpidicular to the longitudinal joint between the balcony and...
I have a retrofit project that requieres removal and replacement of existing corroded rebar with substantial section loss. I anticipate welding new bars to old once sound material in the existing is encountered. However, I am concerned with the weldablity of A305 billet steel rebar from the...
I have a wood framed structure with rot/termite damage on the lower portion of the structure. I am attempting to develope a stud splice and jamb splice repair so that only the bottom, deteriorated portion of the stud needs to be removed and a new stud can be scabbed to it. Are there typical...