Are diaphragms necessary in the design of concrete box girder bridges?

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How do engineer determine the number of cells for concrete box girder bridges?

08 September 2018 9,780 2 View

In joints of precast concrete bridge segments, what are the functions of applying epoxy adhesive?

08 September 2018 3,952 8 View

If on-site slump test fails, should engineers allow the contractor to continue the concreting works?

08 September 2018 7,060 8 View

What are the problems associated with this method in terms of shrinkage of concrete?

In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck.

06 July 2018 2,198 4 View

In the design of elastomeric bearings, why are steel plates inserted inside the bearings?

06 July 2018 5,505 6 View

Pick up the correct statement regarding low heat cement from the following?

A.It possesses less compressive strength B.Its initial setting time is about one hour C.Its final setting time is about 10 hours D.Its mainly used for mass concrete work E.All the above.

06 July 2018 2,641 2 View

What are the functions of column in a building?

06 July 2018 5,468 1 View

Does Water damage concrete?

06 July 2018 1,183 4 View

What is the cement sand & aggregate ratios for various grades of concrete mix?

06 July 2018 8,515 1 View

A badly mixed cement concrete results in?

A.segregation B.bleeding C.honey combing D.none to these.

06 July 2018 6,739 2 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 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