Proposed increased loading on an existing structure overstresses columns by about 25%, (combined axial and moment). Existing loads will remain while reinforcing plates are welded to flanges. Is there a special formula for designing reinforcement to ensure that an adequate portion of the new...
I'm looking for industry-accepted standards with regard to installation of underground piping. Does it depend on the piping material or intended contents? Are there widely accepted standards, or do individual companies write their own? Thanks.
Does anyone know whether the use of "slagcement" (ground granulated blast furnace slag), would reduce the corrosive effect of molten sulfur on (sunken) concrete containment tank, or would have benefits with regard to cracking as a result of the temperature differential between molten sulfur...
Are there significant effects on concrete wall design for containment of high temp liquid, (mostly water)? I don't have specifics yet regarding what temp, I'm guessing between 100 and 200 degrees F. The pit or tank is in-ground, designed somewhat like a cantilever retaining wall. Size of tank...
A provided geotech report states that "Bearing capacities may be increased by 1/3 for transient loads, such as wind loads." (Transient defined as temporary loads of limited duration). ASCE7-05 states that "Increases in allowable stresses shall not be used with load combinations given in this...
Wire mesh was installed as safety net for overhead conveyors. It has since been used by workers as a service platform. The plant has asked us as consultants to determine allowable live load for assurance of worker safety. The wire mesh manufacturer is not forthcoming with info - as was...
Existing 1/4" thick steel checker plate floor is under scrutiny. I'm having difficulty finding a method to determine the maximum allowable concentrated load. A typical plate is rectangular and simply supported on four sides, is removable so not fastened to supports. The load is gravitational...
