Can any one explain me how to study the micro structure of cementetious materials by Scaning Electron Microscopy (SEM)?

I did SEM test by a laboratory. He send the report to me. I am not able to understand how to study that report. Kindly suggest me any information regarding that

10 November 2018 1,082 0 View

How to find the bond strength between concrete and steel reinforcement?

Is there any standard procedure or method to determine the bond strength between steel and concrete?

08 September 2018 5,879 4 View

What will be the effective length of column, by the usage of stiffeners under Uniaxial compression?

I want to examine the performance of a column under eccentric compressive load, the stiffeners have to provide at both ends of specimen to avoid local failure, the specimen will be examined with...

08 September 2017 8,777 2 View

How to decrease setting times of volume increase concretes?

These are special concretes which the volume will increase when we add some material to concrete. a lot of research to be done regarding this topic. Sodium polyacrylate is the material I am using...

09 October 2016 6,393 4 View

Can i use partial replacement of cement with Calcium bentonite in concrete to increase the strength properties?

09 October 2016 4,265 3 View

What is the relation between consistency of cement and W/C ratio of concrete?

Iam going examine the properties blendened concrete by partial replacement of cement with calcium bentonite. The normal consistency of bentonite is much higher than cement. Can any one help me...

09 October 2016 1,102 5 View

Propose me the best technique to predict hypothetical deflections and crack width of R.C.C column under uniaxial bending?

I am going check deflections and crack widths of a new blended concrete column. I need to compare theoretical values with experimental results to get correlation factor for compression members for...

01 January 1970 1,650 0 View

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