Thesis, 'Performance modeling strategies for modern reinforced concrete bridge columns'

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What is the best choice to evaluate the effect of nonlinear shear ?

Dear colleagues, To evaluate the OpenSees capabilities for shear-flexion interaction. What is the best way to use. Rotation based shear failure model (RotationShearCurve) with...

09 October 2019 5,780 3 View

How to plot PSDM curve considering maximum Drift for the development of fragility curves?

Hi; I am s PhD student in Earthquake Engineering. Now, I work on the development of seismic fragility curves for bridge piers. For this, I use IDA method by using OpenSees tool. For this, I...

10 November 2018 9,090 4 View

How to plot fragility curve using regression analysis ?

Hi, Please, can you help me on the method of plotting fragility curves from regression analysis of column or PSDM (Ln (Drift) Vs Ln (PGA)) I am very grateful for your help. Cordially.

10 November 2018 9,388 6 View

Can anyone help me please, in a pushover analysis of cantilever column using zerolength section element?

Hi everyone, I'm modelling a cantilever column in 2D with a section (1.0x 14.25m) as nonlinearBeamColumn element and i used zerolength section element to simulate the effect of reinforcement...

08 September 2018 2,592 0 View

Report of pr Lehman D and al.

Do you have this Report (Pacific Earthquake Engineering Research Center); no. PEER-98/01. "Seismic performance of well-confined concrete bridge columns". Dawn E. Lehman and Jack P. Moehle. Thank...

01 January 1970 7,332 3 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

09 August 2024 7,892 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,882 2 View

How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 View