Podcast
Questions and Answers
What economic advantage does using rice husk ash in concrete provide for the rice industry?
What economic advantage does using rice husk ash in concrete provide for the rice industry?
Unique and economic advantages
How does RHA-based sand concrete block impact room temperature?
How does RHA-based sand concrete block impact room temperature?
Reduces room temperature
What is the effect of using rice husk ash to reduce the thickness of concrete?
What is the effect of using rice husk ash to reduce the thickness of concrete?
Lighter material ideal for lightweight construction
What type of concrete blocks can be produced using RHA and what is their impact on heat conductivity?
What type of concrete blocks can be produced using RHA and what is their impact on heat conductivity?
Signup and view all the answers
Concrete is composed mainly of cement, water, and fine and ______.
Concrete is composed mainly of cement, water, and fine and ______.
Signup and view all the answers
The increasing carbon footprint caused by the production of cement has exacerbated ______ change.
The increasing carbon footprint caused by the production of cement has exacerbated ______ change.
Signup and view all the answers
Agricultural by-products are widely used in the construction industry as partial replacements for ______.
Agricultural by-products are widely used in the construction industry as partial replacements for ______.
Signup and view all the answers
By utilizing agricultural by-products in concrete, it can help to reduce the amount of agricultural waste in the ______.
By utilizing agricultural by-products in concrete, it can help to reduce the amount of agricultural waste in the ______.
Signup and view all the answers
In place of cement, alternative cementitious materials have been tried and proven successful in the ______ sector.
In place of cement, alternative cementitious materials have been tried and proven successful in the ______ sector.
Signup and view all the answers
The approximate amount of rice husk waste in the Philippines in 2021 was 3.96 million tons, which can contribute to ____________ change if not properly disposed of.
The approximate amount of rice husk waste in the Philippines in 2021 was 3.96 million tons, which can contribute to ____________ change if not properly disposed of.
Signup and view all the answers
Rice husks are often removed and discarded upon milling rice, but they can be utilized as a substitute for some of the cement in making ____________ works.
Rice husks are often removed and discarded upon milling rice, but they can be utilized as a substitute for some of the cement in making ____________ works.
Signup and view all the answers
Rice husk ash can enhance the physico-mechanical properties of cement and concrete mixes due to its inclusion of amorphous ____________.
Rice husk ash can enhance the physico-mechanical properties of cement and concrete mixes due to its inclusion of amorphous ____________.
Signup and view all the answers
Coconut shells have significant potential in construction due to their exceptional ____________ and modulus.
Coconut shells have significant potential in construction due to their exceptional ____________ and modulus.
Signup and view all the answers
The impermeable microstructure of rice husk ash in concrete increases longevity by inhibiting sulfate attack, chloride penetration, and ____________.
The impermeable microstructure of rice husk ash in concrete increases longevity by inhibiting sulfate attack, chloride penetration, and ____________.
Signup and view all the answers
