How to design plumb concrete ?

Plumb concrete is normally accepted for massive concrete works in which stone pieces of larger sizes are added along-with normal concrete to achieve economy. The proportion of concrete...

10 November 2019 8,049 3 View

What is the effect of effluent or polluted water on properties of concrete?

Most of the standards suggest to use potable water for making concrete or curing of hardened concrete. Due to scarcity or non availability of potable water, it is observed that tendency of...

01 February 2019 7,817 4 View

Are existing old and large structures like monuments, temples constructed in stone masonry, capable to resist earthquake? If yes, how to check it?

Old monumental structures like temples, historical buildings are constructed in stone masonry with large walls and massive arches which are in compression. These structures are beautifully...

09 October 2018 5,795 15 View

What are different techniques for collection of dust from the atmosphere ? How the collected dust can be disposed off?

Dust particles in atmosphere are of different types and varying in size, responsible for pollution. House dust mites and wind borne fugitive dust are common types need to be analysed and...

07 August 2018 1,370 2 View

Can we use shaving cream or shampoo as admixture in concrete?

Shaving cream is just like foaming agent. Will chemicals contained in shaving cream affect hydration of cement? Low cost shaving cream or shampoo can be experimented for determining their...

06 July 2018 8,839 7 View

How to check quality of crushed sand to be used in concrete?

Nowadays, only crushed sand is only option available for making concrete due to over exploitation of natural river sand. But quality of crushed sand is always questionable due...

02 March 2018 1,995 22 View

How to prevent leakage in RCC dams. which material is suitable?

Normally, leakages are observed in dams and inspection gallery are provided for necessary treatments. However in case of small dams like bandhara leakages are due to...

02 March 2018 5,679 0 View

How to remove rubber particles attached to concrete road surface due to heavy vehicular traffic?

Concrete Road surface must have certain coefficient of friction. Due to heavy vehicular traffic, rubber particles from wheels get attached to concrete surface. After a long period, concrete...

11 December 2017 1,936 4 View

Steel poles are get corroded at bottom due to poor design and maintenance .They are frequently replaced by new one. How to reduce wastage of steel ?

Steel Poles are subjected to corrosion mainly at bottom level particularly at the junction of footing or at Ground level due to accumulation and penetration of water in poorly designed...

09 October 2017 8,871 2 View

How and where to use damaged or rejected concrete sleepers of railway tracks?

07 August 2017 7,463 5 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View