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Mr. Martin John Fradua, P.E., F.ASCE
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Mr. Martin Fradua, P.E., F.ASCE
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RE: How does the pre-stressing force transmit in post-tensioning beams/slabs?
Posted By
Martin Fradua
08-27-2018 02:35 PM
Found In
Egroup:
Integrated Buildings & Structures
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Post Tension Institute (PTI) specifies both bonded and unbonded as does ACI 423 in their current guides. A bonded tendon still transfers force from the grout to the duct to the concrete, whereas an unbonded tendon that is damaged is completely lost. ------------------------------ Martin Fradua P.E., ...
RE: How does the pre-stressing force transmit in post-tensioning beams/slabs?
Posted By
Martin Fradua
08-27-2018 12:25 PM
Found In
Library:
AEI - Architectural Engineering Institute
RE: Limit of number of shim plates in connection
Posted By
Martin Fradua
03-14-2018 09:57 AM
Found In
Egroup:
Integrated Buildings & Structures
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AISC 360 J5 states, "in welded construction, any filler 1/4 in. or more in thickness shall extend beyond the edges of the splice plate and shall be welded to the part on which it is fitted with sufficient weld to transmit the splice plate load....." For bolts through fillers adding up to 3/4 inch there ...
RE: Roof
Posted By
Martin Fradua
11-17-2017 12:31 PM
Found In
Egroup:
Integrated Buildings & Structures
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Exposed roof membranes need walkway pads for access to equipment areas to avoid damage from foot traffic and tool boxes etc. Pavers over the roof membrane can support small planters. Pavers on pedestals have point loads that should be taken into account from a load compression capacity. Placing planters ...
RE: Open web truss - design software
Posted By
Martin Fradua
08-10-2017 04:00 PM
Found In
Egroup:
Integrated Buildings & Structures
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Daniel, at the end of a group of SJI joists you may find a metal tag identifying the joist manufacturer with a code number for you to contact the manufacturer through a form sent to SJI. The joists you are involved with may or may not be SJI, but they still may have a metal joist tag identifying them. ...
RE: floor Slab to Wall Connection.
Posted By
Martin Fradua
06-02-2017 11:00 AM
Found In
Egroup:
Integrated Buildings & Structures
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You should post a photo or sketch of this 150 year old building to get more meaningful response. I assume your building is box shaped. For your information in NYC buildings in the early 1900's did not require wind loading for building less than 100 foot high. this is in part due to the mass of the old ...
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