Ishwar Sonar

16 Questions 95 Answers 0 Followers

Questions related from Ishwar Sonar

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...

11 November 2019 8,138 3 View

How to use fragments of bituminous road ?

During repairing or removal of bituminous roads large fragments of bituminous road are generated as waste. How to use them? Can we extract bitumen and aggregates from them.

11 November 2019 3,883 2 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...

02 February 2019 7,909 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...

10 October 2018 5,884 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...

08 August 2018 1,456 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...

07 July 2018 8,938 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...

03 March 2018 2,080 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...

03 March 2018 5,758 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...

12 December 2017 2,027 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...

10 October 2017 8,950 2 View

Plywood scrap is available in large quantities. How to use it or recycle it?

Plywood scarp may be used for low cost furniture . However small plywood pieces or damaged plywood due to environmental effects are also available in large quantities creating problems of...

08 August 2017 7,211 5 View

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

Rejected concrete sleepers can be used as beams for foundation similar to grillage foundation to distribute load from column on wider area.

08 August 2017 7,616 5 View

What is long term durability of aerated concrete blocks ?

Aerated concrete blocks are nowadays are used in place of conventional bricks due to their lightweight ,uniform size and less plaster requirements. However, their water absorption properties...

08 August 2017 770 3 View

Is there is any material that can be put in water in suspension stage so that during leakage it will chock pores in concrete slab ?

This is a question related to previous question related to attached leakage in attached bathroom.

08 August 2017 6,393 2 View

Dear Manish, will you add some details of the project like problem definition in specific area , methodology based on concept, options available?

This will help in developing project in right direction.

01 January 1970 6,698 0 View

What are best coating materials for bamboo ?

Some researchers tried tar, varnish , epoxy etc. I tried oil paint .

01 January 1970 1,825 2 View