30 Questions 146 Answers 0 Followers
Questions related from Waldemar Łasica
What heavy aggregates are available for protective concrete in your country?
02 July 2024 1,880 3 View
What aggregates are used for protective concrete in your country ?
02 November 2023 7,691 1 View
Does gamma radiation have a destructive effect on the microstructure of concrete?
02 November 2023 793 2 View
Do you know literature or scientific publications on the gamma radiation of radioactive materials on the structure of concrete?
24 August 2023 6,487 3 View
Does gamma radiation have a negative effect on the structure of concrete?
24 August 2023 5,796 2 View
Can asphalt and liquid sulfur be used in a concrete mix at the same time?
16 May 2023 1,428 2 View
Can cement and asphalt be used in a concrete mix at the same time?
16 May 2023 8,823 5 View
Can you use both resin and asphalt in a concrete mix?
16 May 2023 1,774 1 View
Do you know a book on scanning electron microscopy of concrete/cement?
16 May 2023 5,172 4 View
Are nanoparticles harmful to human health?
16 May 2023 2,577 8 View
What programs do you know for statistical analysis of research results?
16 May 2023 7,057 3 View
It is difficult for me to correctly interpret the SEM photos of the concrete microstructure. Do you know any books about SEM image analysis?
16 May 2023 2,670 1 View
Does each type of nanoparticle have binding properties when in contact with water?
16 May 2023 6,267 1 View
Can cement and liquid sulfur be used in a concrete mix at the same time?
16 May 2023 9,028 3 View
What lightweight waste aggregates are used for concrete in your country?
16 May 2023 6,390 2 View
Can organic or natural ingredients be used in concrete mixes?
16 May 2023 4,711 2 View
What concrete binder is used in your country? (cement, ash, slag ... and what else?)
04 May 2023 2,834 5 View
Can two types of cement be used simultaneously in one recipe for concrete composition? (The first is cement as a binder and the second as sealing the graining structure).
21 September 2020 10,170 17 View
Does it make sense to add 12 mm long polymer fibers to a concrete mix with a maximum grain size of 8/16 mm? (length of fiber anchorage in the concrete mix).
21 September 2020 5,449 2 View
Is it advantageous to design a concrete structure consisting of aggregates of significantly different volume densities? (e.g. 1/4 perlite with vermiculite 4/8 and with expanded clay 8/16).
21 September 2020 5,326 3 View
Does the amount of shrinkage stress in concrete depend on the type of aggregate used? Is it only on the type of cement ?
20 August 2020 7,721 17 View
Does it make sense to design a concrete mix where the amount of water is equal to the amount of stoichiometric water ?
20 August 2020 3,151 3 View
What is the stoichiometric water level in a concrete mix?
20 August 2020 7,197 3 View
What happens if the amount of water used in the concrete mix is below the stoichiometric level ?
20 August 2020 9,639 3 View
Do you know the results of research, scientific articles or scientific theories on the adhesion of steel and synthetic fibers to the cement matrix?
15 August 2020 6,246 4 View
Steel fibers can block the flow of concrete mix between the rebars. Is it a good solution to use long steel fibers (50 and 60 mm) in self-compacting concrete mixtures?
14 August 2020 895 9 View
Is it possible to determine the amount of synthetic fibers on the basis of strength calculations or only follow the recommendations of the fiber manufacturer?
14 August 2020 9,605 3 View
Do you know of mineral or synthetic additives that influence the deaeration and form a tight structure of the concrete mix?
12 August 2020 5,274 3 View
Do you know the chemical admixtures that affect the deaeration and form a tight structure of the concrete mix?
12 August 2020 755 3 View
Do synthetic fibers reduce plastic shrinkage of concrete? Are there any scientific theories about this?
11 August 2020 8,161 3 View
