Ishwar Sonar

12 Questions 51 Answers 0 Followers

Questions related from Ishwar Sonar

How change in temperature will create additional forces in massive structures like concrete bridges, retaining wall, etc?

Normally, massive structures like RCC bridges , retaining walls are designed for worst combination of loads acting on them. In addition to required reinforcement for resisting internal...

02 October 2021 319 2 View

How to determine the contribution of coarse aggregates for shear resistance of plain concrete?

Concrete is well known for its compressive strength. Shear resistance of plain concrete depends on concrete mix proportion, compaction level , size of the specimen, rate of loading, curing...

02 October 2021 4,271 0 View

Will clean & low pollution level environment now available in lock down situation due to COVID-19 Pandemic, form a base for research on air quality?

The lock down situations for longer period in most of the countries, due to CORONA effect is responsible for reduction in air pollution level. The clean environment now available can be...

27 May 2020 3,158 11 View

Can we utilize some time for our Health by starting some Exercise at home, in COVID-19 situation ?

Due to COVID-19 pandemic situation forced us to stay at home for our protection. Some people have habit of morning walk , evening walk and exercise in Jim. That is fine. But, we can not go...

25 May 2020 2,321 22 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...

30 October 2018 7,838 15 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...

21 July 2018 2,141 6 View

Removal of old wall paint using sand paper is laborious and unhealthy work. Can anybody suggest suitable method for this? Can we reuse of old paint ?

Old wall paints are generally removed using scrappers/ sandpapers etc. The dust particles are dangerous to health. The problem is need to solve by suitable cost effective mechanism either by...

21 July 2018 6,196 1 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...

12 March 2018 1,416 21 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...

20 December 2017 6,071 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.

27 August 2017 10,082 2 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 1,252 3 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 9,216 4 View