Punashri Phadnis

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Questions related from Punashri Phadnis

How to generate 3D surface in Origin pro?

I have generated a 3D scatter plot for a 3D IDA curve. (Similar to Fig. 15 of Vamastikos' research paper enclosed here). Now I want to develop a 3D surface for the median of IDA. How to develop a...

05 February 2024 3,112 0 View

How much strength should be gain by concrete of M35 grade with PPC after 7days of water curing?

Due to PPC, the strength gain of concrete is slower at the early stages. While OPC should gain strength of 65% of 28 days strength at the end of 7 days. Whether 45-50% strength is gained by PPC...

07 November 2023 1,258 3 View

How to represent strength and stiffness in time history dynamic analysis for the structure?

I have performed a fragility analysis based on Incremental dynamic analysis for the Bare frame and open ground storey frame and full infill frame. I sent the manuscript to Springer...

07 May 2023 8,999 2 View

How infill detrimentally adds to the stiffness of the structure, even it is not ductile?

It is conjectured that the infilled frames performed better. How such an unfavourable element (infill) which detrimentally adds to the stiffness of the structure and causes the absorption of more...

03 May 2023 1,112 2 View

How much default tensile strength of concrete is considered in SAP2000?

In SAP2000, in material properties mander stress-strain curves are added by default for unconfined and confined conditions. How much default tensile strength of concrete is considered in SAP2000...

07 March 2023 6,920 2 View

Why the minimum column width of 6inch is not specified by design codes?

Indian Standard design code specified minimum width of column as 9 inch but many G+2 structures are built with column of width 6 inch and these structures withstand the load safely. If anybody is...

08 June 2022 2,649 0 View

How to perform logistic regression analysis to obtain reliability of the structure?

I have performed Incremental Dynamic Analysis on the structure by applying considering ten-time histories from PEER database. Regression analysis requires data in terms of collapse and...

07 November 2020 6,266 2 View

Why triangular shape beams are not provided in RCC?

In steel structure we may use a triangular shape of beam, (in truss, railway for station truss) but not in RCC or in concrete structure.

20 August 2019 9,008 2 View

Why the combination of Na2O and K2O? Is Na2O or K2O alone is sufficient? Why the factor 0.658 is used?

In IS 269, Table 2, note 1, it has been prescribed that, the alkali content should be expressed as sodium oxide (Na2O + 0.658 K2O). Kindly clarify the following points: 1. Is the conversion is...

18 August 2019 3,547 4 View

How to determine P-M interaction in vertical steel section encased composite shear wall?

My research interest is Steel-concrete composite shear wall.

06 August 2019 8,779 5 View