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 9,965 2 View

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

08 September 2018 4,119 8 View

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

08 September 2018 7,234 8 View

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

06 July 2018 5,632 6 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 2,367 4 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 2,771 2 View

Does Water damage concrete?

06 July 2018 1,322 4 View

What are the functions of column in a building?

06 July 2018 5,734 1 View

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

06 July 2018 8,706 1 View

Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon?

06 July 2018 7,548 7 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 1,027 0 View

Gromacs first step of minimization ?

I have face this problem anyone help me how to solve this issue ?which is below Fatal error: There are inconsistent shifts over periodic boundaries in a molecule type consisting of 78 atoms. The...

07 August 2024 2,597 1 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,545 2 View

How we can use lattice-based cryptography for construction of S boxes?

Please suggest basic literature on lattice-based cryptography. A kind response from the cryptographic community will be highly appreciated.

24 July 2024 6,290 4 View

Sample size for qualitative study?

I am working on scale development in behavioral finance by undertaking a mixed-method approach using the exploratory sequential design. The phenomenon has diverse meanings in existing literature...

20 July 2024 9,151 11 View

Assuming that the central philosophy of the Schrodnger equation is the cat in a box paradox, can this phylosipy be adjusted?

We assume that the cat in a box paradox may allow an additional approach to include multiple cats in the same box. We can now see two seemingly different views, quantum and classical. The...

13 July 2024 8,233 4 View

Zero pivot in Abaqus concrete 3D printing simulation using model change?

Recently I've been working on a simulation of concrete 3D printing, and has successfully simulated a layer-by-layer 3D printing process using model change. However, when I proceeded to try...

06 July 2024 2,129 0 View

What heavy aggregates are available for protective concrete in your country?

01 July 2024 1,624 3 View

Poured Earth Concrete ?

What are the benefits and advantages of concrete flooring when used in parking lot floors, and what are the technical requirements and general specifications that should be considered to ensure...

29 June 2024 2,171 5 View

Why did the simulated load-displacement curve of beam keep increasing and didn't decrease (ABAQUS)?

Dear colleagues, I'm currently modelling a simple 4-point bending test of a concrete beam in Abaqus. However, the load-displacement curve was ascending (without final point), which didn't match...

29 June 2024 6,191 2 View