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1 EPS Expanded Polystyrene plays a very unique role in concrete Research has shown that concrete with this material behaves very similarly to light weight concretes containing traditional aggregates This is believed to be the case because the
Calcium carbonate is the main raw material to make cement, lime and calcium carbide, and it is an indispensable flux limestone in metallurgical industry.
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Gypsum powder plant is a kind of micronized line which turns natural dihydrate gypsum ore (raw gypsum) or industrial by-product gypsum (desulphurization gypsum, phosphogypsum, etc.) into construction gypsum (calcined gypsum) through crushing, grinding, he
Alternative Aggregates for Sustainable Concrete on the possible use of natural rounded conventional aggregate and how the alternativewaste materials affects concrete properties compared
Green Building Materials 1 of 14 Concrete is a material that quite literally holds our cities together From homes and apartment buildings to bridges viaducts and sidewalks this ubiquitous
Aggregates are generally thought of as inert filler within a concrete mix But a closer look reveals the major role and influence aggregate plays in the properties of both fresh and hardened concrete Changes in gradation maximum size unit weight and moisture content can all alter the character and performance of your concrete mix
Concrete without cement is possible with the use of fly ash as an alternate for cement It matches both the chemical and physical properties of cement Thus it has the ability to replace cement completely The word “concrete” defines as the bonding between aggregates cement and water
Hence the use of secondary materials such as recycled aggregates can reduce the amount of natural aggregates required Lightweight concrete is frequently used by the
For a good concrete mix aggregates need to be clean hard strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete Aggregates which account for 60 to 75 percent of the total volume of concrete are divided into two distinct categoriesfine and coarse
Alternate building materials are those which can be used economically by replacing the conventional building materials Alternate building materials are made from waste products and thus it even minimizes environmental pollutions These alternate building materials can be used when it meets the respective specifications in the code of practice
The possible uses of construction and demolition wastes are given in Table 1 The use of recycled aggregates in concrete prove to be a valuable building materials in technical environment and economical respect Waste Materials and Alternative Products Pros and Cons Concrete for Environmental enhanced and Protection E FN Spon
Highlights This research investigated the effects of recycled materials on concrete properties The cement was replaced with ground granulated blast furnace slag GGBFS The coarse aggregate was replaced with recycled concrete aggregate RCA The fine aggregate was replaced with crushed glass The use of recycled materials was determined to be a benefit up to 50 content