11 October 2019 3 3K Report

I am trying to calculate the embodied energy of a concrete mix. i have all the average values for sand, cement, water, coarse aggregate from the ICE database but struggling to get that of water reducing admixture.

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Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

Infinite order of Laguerre?

If Lmn(x) is the Laguerre polynomial of order m and degree n Is there a means of computing Lmn(x) for 1) m goes to infinity 2) n goes to infinity

08 February 2021 6,320 4 View

Sharpening algorithm for similar images with different levels of blurring?

Say for arguments sake I have two or more images with different degrees of blurring. Is there an algorithm that can (faithfully) reconstruct the underlying image based in the blurred...

17 January 2021 7,324 3 View

How to make a pushover Analysis of a reinforced cantilever beam in ABAQUS?

Hello everyone, Im doing a pushover Analysis of a cantilever beam in ABAQUS, made of reinforced concrete, but my model doesnt seem to converge proberly. The program simply aborts before hitting a...

15 January 2021 1,627 3 View

How to illustrate FE Panel Regression with LSDV in a research framework?

First time to use FE Panel Data Regression using LSDV, and not familiar with how to illustrate it in a research framework. We have regional CSR score as IV and Social Development ( four areas:...

14 January 2021 580 3 View

Domestic ancient Egyptian gods and goddesses?

Who are the gods that ancient Egyptians thought of as closer to them and could have a personal connection with them?

25 December 2020 5,505 1 View

Could someone help me recheck my identification of my moth samples?

Greetings to all! I am humbly asking for some help, in regards to the checking of my moth samples. Though it is of great inconvenience to you all, I will respect your decision nevertheless....

08 December 2020 6,009 5 View

Is there a relationship that can be used to relate flow rate (m3/s) to MPa in fluid injection rate?

I am doing simulation exercise of which I have to inject fluid pressure into a borehole. The parameters I am using the injection rate is given in pressure (MPa) and the software accept injection...

01 December 2020 3,221 2 View

What is the current and voltage profile for a short dipole antenna when the monopoles have different lengths?

The textbooks show a triangular pattern for the current as the limiting case for a short dipole, and how this may be considered to be the limiting case for the sinusoidal current distribution....

26 November 2020 5,280 5 View

Best way to teach Data Structures and Algorithms?

Next semester I am teaching an online class on Data Structures and Algorithms. The students will have had two programming classes in C++ and Java each. I am looking for a way to engage the...

11 November 2020 1,176 4 View

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What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

Best FE Program for Concrete Strengthened with FRP Sheets?

Colleagues, I have been using ANSYS to model concrete strengthened FRP sheets, but less than happy with it. Any has recommendation for efficient, easy to use FE program for modelling concrete...

22 February 2021 7,528 3 View

Is there a Constitutive model for concrete with Sea-Sand?

Hi I am running a simulation in Abaqus for a concrete beam. Its fine aggregate replaced with sea-sand. I was wondering if I could find studies that measured the ultimate strain of concrete made...

22 February 2021 6,409 2 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

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