SCC and Plain Concrete Why we use Type 30 cement ?

Q: Describe the difficulty of designing a concrete mixture and the necessity of compressive strength.

A: The concrete mix design is important for any concrete structure. Various factors are involved in…

Q: Tell for what type of concrete structural elements it is important to determine the flexural…

A: Flexural strength of the concrete structure , is the ability of the concrete structure to take…

Q: what are the effects of aggregates in the performance of concrete?

A: Aggregates: ‘Aggregate’ is a term used for any particulate material that may  includes gravel,…

Q: give a Literature studies on the effect of GGBS percentage in Geopolymer concrete.

A: Answer:- Geopolymer concrete: It is produced by the alkali activation of fly ash or ground…

Q: When it comes to Type III cement, why isn't pozzolan used?

A: Type III Portland cement is rich in Calcium trisilicate (C3S), this constituent is most responsible…

Q: Why does the unit weight decrease as the slump increases?

A: Why does the unit weight decrease as the slump increases

Q: Understand the purposes of various concrete admixtures and their effect on concrete.

A: Producers use admixtures primarily to reduce the cost of concrete construction, to modify the…

Q: Explain the effects of chemical and pozzolanic admixture on the fresh and hardened properties of…

A: Solution: Producers use admixtures to reduce the cost of concrete construction to modify the cost…

Q: Differentiate the various type of cement and give their corresponding applications.

A: The various type of cement with their corresponding applications are as follows: Rapid Hardening…

Q: List rarely used concrete additives and give specific areas to be used. (Other than water reducers,…

A: Few rarely used chemical admixtures are listed below and usage is also given : 1) Air entraining…

Q: SCC and Plain Concrete What is fly ash and why do we use it

A: To explain Self-compacting concrete and plain concrete Fly ash and its use   Concrete is a…

Q: What is the value of the Whitney stress block parameter, β1, for 6000 psi concrete?

A:

Q: How limestone or calcite affects the perfomance of concrete?

A: The use of limestone in the construction industry has been increasing due to various benefits as…

Q: What are the properties of Self-Consolidating Concrete?

A: Solution: Self compacting concrete is that concrete that flows under its own weight that do not…

Q: A normal-weight concrete has an average compressive strength of 20 MPa.What is the estimated flexure…

A: Given:- average compressive strength =20MPa To find:- estimated flexure strength

Q: Adding an air entrainment agent to concrete would introduce more air to concrete, which would reduce…

A:

Q: (b) If you were to choose a blended cement for a concrete structure in a marine environment, which…

A: Types of Cements are: Low heat cement. Rapid hardening cement Extra Rapid hardening cement. Quick…

Q: Subject concrete technology Q: a)What particular precautions would you take when concreting (i) In…

A: Thank you for the question . As per honour code we are allowed to answer the first question since…

Q: What are the different properties of hardened concrete?

A: Hardened concrete:- Concrete that has been "hardened" is a type of concrete that is strong and…

Q: What is multi-binder concept? Please explain the advantages of using the multi-binder concept on the…

A: Binder in concrete: Binder commonly called a binding agent is a material that has cohesive…

Q: Given grade 60 steel rebar and 4000 psi normal-weight concrete, (a) What is the yield strength of…

A: Yield strength & modulus of elasticity of the steel; a) The yield strength of steel (fy) is the…

Q: what is the value of gel porosity in concrete ?

A: Brief Concept Introduction: Concrete: It is the mixture of cement (binding material), aggregates,…