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SAP2000 P-DELTA

Before running P-Delta analysis, always check the model for simple modal analysis and gravity loads to make sure that analysis model has no stability issues or other warnings/errors. I have tried two methods for running P-Delta, both are explained below,

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Posted in Engineering Tips, SAP2000, structures

Calculator For Engineers

I was searching for a website which can do small quick calculations for example calculate moment of inertia, section modulus, plastic section modulus etc. and found following website. Hope this will be very helpful. http://civilengineer.webinfolist.com/str/micalc.htm  

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Posted in civil engineering, Engineering Tips, Steel, structural engineering, structures

Zero Compression Element

When we want to model tension cable rods or any member with zero compressionĀ  and want to use finite element model for this purpose then follow the procedure below. This procedure is written considering CSI products (SAP or ETABS) but

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Posted in Engineering Tips, ETABS, SAP2000, Steel, structural engineering, structures, Technology

Where is the Base?

ASCE 7-05 defined the base for seismic design as: “The level at which the horizontal seismic ground motions are considered to be imparted to the structure”. Most of the times this isĀ misinterpretedĀ or misunderstood that where the base is considered when

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Posted in Design Code, Engineering Tips, Seismic, structural engineering, structures, Tall Buildings, Technology

Modeling Piles/Piers in FEM Software

When we use finite element software for analyzing deep foundations then it becomes important to model piles with accurate axial stiffness so that the load can distribute properly based on pile stiffnesses. Some people suggests to calculate pile stiffness by

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Posted in Engineering Tips, SAFE, structures, Technology

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