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How can we reduce laitance from concrete structures?
Preet Chovatiya
Laitance can be avoided by reducing or controlling water during the mixture of concrete. It too much water exists, then other issues also be happening like greater shrinkage and the possibility of more cracks in the structure. If you want to remove laitance, then It is very easy to remove by acid etRead more
Laitance can be avoided by reducing or controlling water during the mixture of concrete. It too much water exists, then other issues also be happening like greater shrinkage and the possibility of more cracks in the structure.
If you want to remove laitance, then It is very easy to remove by acid etchings solution.
See lessWhat is green concrete and Green building?
Preet Chovatiya
Green Concrete is one type of concrete which is similar to normal concrete but for production of green concrete energy required is much less so It is not much harmful to the environment. Application of Green concrete:- It is used majorly in Bridge and Road construction, and as well as it is used inRead more
Green Concrete is one type of concrete which is similar to normal concrete but for production of green concrete energy required is much less so It is not much harmful to the environment.
Application of Green concrete:-
It is used majorly in Bridge and Road construction, and as well as it is used in building construction also.
Green Building is one type of sustainable building which is constructed by considering the environment safety. In this building, It focuses on less water, optimization of energy efficiency.
The main reason to use green building is It maximize the economic and environmental performance of the building.
See lessWhat is the difference between ACC and CLC block?
Preet Chovatiya
Energy needed for production. AAC block:- low energy required CLC block:- Normal energy required MEP work. AAC block:- can be easily cut, nailed and drilled CLC block:- difficult to cut and work with it Raw Material. AAC block:- fly ash, aeration compound and cement CLC block:- cement, sand and aggrRead more
Energy needed for production.
AAC block:- low energy required
CLC block:- Normal energy required
MEP work.
AAC block:- can be easily cut, nailed and drilled
CLC block:- difficult to cut and work with it
Raw Material.
AAC block:- fly ash, aeration compound and cement
CLC block:- cement, sand and aggregate
Cost.
AAC block:- minimum 40 INR per price. And maximum 80 INR per peice.
CLC block:- 1800-2100 per m3
See lessWhat is bacterial concrete?
Preet Chovatiya
Bacterial concrete is also known as Bio concrete or Self healing concrete, which is invented under the head of Henk Jonkers. It resists the alkalinity and mechanical stress in concrete. Generally Cohnii and Filla bacteria are used for making this type of concrete. Application of Bacterial Concrete:-Read more
Bacterial concrete is also known as Bio concrete or Self healing concrete, which is invented under the head of Henk Jonkers.
It resists the alkalinity and mechanical stress in concrete.
Generally Cohnii and Filla bacteria are used for making this type of concrete.
Application of Bacterial Concrete:-
It is used for increasing concrete durability and life span of the structure by self-healing of cracks in the structure.
See lessHow to derive the capacity of load-bearing piles?
Preet Chovatiya
The ultimate load bearing capacity for cohesive soil can be define by following formula: Where, Qu = Ultimate load capacity, kN Ap = Cross-sectional area of pile tip, in m2 Nc = Bearing capacity factor, may be taken as 9 ci = Average cohesion for the ith layer, in kN/m2 Asi = Surface area of pile shRead more
The ultimate load bearing capacity for cohesive soil can be define by following formula:
Where,
Qu = Ultimate load capacity, kN
Ap = Cross-sectional area of pile tip, in m2
Nc = Bearing capacity factor, may be taken as 9
ci = Average cohesion for the ith layer, in kN/m2
Asi = Surface area of pile shaft in the ith layer, in m2
See lessWhat Will be Change in Concrete Strength after 2 Years?
DevilAVRT
https://theconstructor.org/concrete/concrete-compressive-strength-variation-with-time/5933/ Yes! It is increasing with its age. Concrete strength does depend on its age. Because of its whole life, the hydration(hardening) process goes on. So the strength of concrete is increasing through its life BuRead more
https://theconstructor.org/concrete/concrete-compressive-strength-variation-with-time/5933/
Yes!
It is increasing with its age.
Concrete strength does depend on its age. Because of its whole life, the hydration(hardening) process goes on. So the strength of concrete is increasing through its life
But after 28 days the hydration process is restarted at a very significant low level; so you notice very less increase in strength after 28 days.
But this hydration phenomenon is only acceptable for the concrete, which is pure. No shrinkage, creep is accrued to concrete.
The concrete strength is all dependent on the fraction, which is hydrated. All strength comes from these hydrated fractions only. And the fraction hydrated is increasing all its life as below graph.
Edit1
And here is the strength development in cementicious materials
See lessWhat is light emitting concrete and the purpose to provide that concrete?
Kuldeep Singh
Light-emitting concrete involves the use of optical fibers within the concrete to form a mixture that emits light from the brighter side of the wall to the darker side. It is made up of concrete with relatively finer materials. Fine aggregates are actually quite fine, and the Nominal mean size of coRead more
Light-emitting concrete involves the use of optical fibers within the concrete to form a mixture that emits light from the brighter side of the wall to the darker side.
It is made up of concrete with relatively finer materials. Fine aggregates are actually quite fine, and the Nominal mean size of coarse aggregates isn’t exceeded 10 or 12 mm. 4% optical fibers are added in suck a way to create a kind of mesh with the fibers continuing from one face to the other, this carrying light from one facet of the other. The optical fibers very interestingly, act as the reinforcement in concrete and no steel is required.
The reduction in compressive strength is negligible, and hence, it is quite the architect’s favorite concrete.
See lessWhat are the different mineral admixtures used with concrete?
Preet Chovatiya
Generally, There are 5 types of Mineral admixtures used in concrete are mentioned below: Silica fume GGBS (Ground Granulated Blast Furnace Slag) Fly ash Rice husk ash Metakaolin -The effect of GGBS, Metakaolin and Fly ash on concrete is on setting time of high strength concrete. -All the minerals caRead more
Generally, There are 5 types of Mineral admixtures used in concrete are mentioned below:
-The effect of GGBS, Metakaolin and Fly ash on concrete is on setting time of high strength concrete.
-All the minerals can reduce bleeding in concrete.
-The heat of hydration increased due to chemically active minerals (Metakaolin and Silica fume)
See less