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Special Concrete

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BIOCONCRETE

Written on 8 Apr, 2010 at 14:07 in Concrete, Miscellaneous, Special Concrete | viewed 303 views times and users have made 1 comment so far
BIOCONCRETE

Why Bioconcrete? Problems in normal concrete: Cement, main ingredient = ‘Non-sustainable’ Yearly consumption : - millions of tons of cement in a single country - millions of tons of sand - millions of tons of gravel Environmental impact: 10%of world... (Continue reading)

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PAPERCRETE

Written on 1 Apr, 2010 at 11:04 in Concrete, Miscellaneous, Special Concrete | viewed 468 views times and users have made 0 comments so far
PAPERCRETE

  PaperCrete is essentially a type of industrial strength paper maché made with paper and cardboard, sand and Portland cement. There are many varieties of PaperCrete possible. Essentially, the constituents when mixed in different proportions result in PaperCrete of varying... (Continue reading)

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FLOWABLE FILL

Written on 6 Mar, 2010 at 13:55 in Concrete, Miscellaneous, Special Concrete | viewed 51 views times and users have made 0 comments so far
FLOWABLE FILL

Flowable fill refers to a cementitious slurry consisting of a mixture of fine aggregate or filler, water, and cementitious material(s), which is used as a fill or backfill in lieu of compacted earth. This mixture is capable of filling all... (Continue reading)

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RECYCLED AGGREGATE CONCRETE

Written on 27 Feb, 2010 at 11:32 in Aggregates, Building Materials, Concrete, Special Concrete | viewed 205 views times and users have made 0 comments so far
RECYCLED AGGREGATE CONCRETE

To obtain good quality concrete using recycled aggregate it is necessary to follow the minimum requirements defined by the respective Building Standards. Acceptable properties of aggregates are an elemental base for concrete quality, however adequate mix proportions and concrete production... (Continue reading)

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FIRE PROOF CONCRETE

Written on 23 Feb, 2010 at 11:42 in Concrete, Fire Proof, Special Concrete | viewed 469 views times and users have made 0 comments so far

At the high temperatures experienced in fires, hydrated cement in concrete gradually dehydrates, reverting back to water (actually steam) and cement. This results in a reduction of strength and modulus of elasticity (stiffness) of concrete. In some fires, spalling of... (Continue reading)

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LIGHTWEIGHT CONCRETE AND APPLICATION

Written on 21 Feb, 2010 at 14:57 in Concrete, Light Weight, Special Concrete | viewed 187 views times and users have made 1 comment so far
LIGHTWEIGHT CONCRETE AND APPLICATION

Concrete is the most widely used man-made construction material. It is obtained by mixing cement, water and aggregates (and sometimes admixtures) in required proportions. The mixture when placed in forms and. allowed to cure becomes hard like stone. The hardening... (Continue reading)

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SELF COMPACTING CONCRETE WITH TESTS

Written on 18 Feb, 2010 at 15:15 in Concrete, SCC, Special Concrete, Types | viewed 538 views times and users have made 0 comments so far
SELF COMPACTING CONCRETE WITH TESTS

For several years beginning in 1983, the problem of the durability of concrete structures was a major topic of interest in Japan. The creation of durable concrete structures requires adequate compaction by skilled workers. However, the gradual reduction in the... (Continue reading)

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REACTIVE POWDER CONCRETE

Written on 13 Feb, 2010 at 10:52 in Concrete, REACTIVE-POWDER-CONCRETE, Special Concrete | viewed 304 views times and users have made 1 comment so far
REACTIVE POWDER CONCRETE

REACTIVE POWDER CONCRETE • A composite material & ultra high strength with mechanical properties. • Mixture of fiber reinforced, super plasticized, silica fume, cement & quartz sand with very low water cement ratio. • Quartz sand used instead of ordinary... (Continue reading)

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Concrete in Seawater

Written on 19 Dec, 2009 at 13:11 in Concrete, Miscellaneous, Special Concrete | viewed 348 views times and users have made 2 comments so far
Concrete in Seawater

Concrete in Seawater   For several reasons, effect of seawater on concrete deserves special attention. First, coastal and offshore sea structures are exposed to the simultaneous action of a number of physical and chemical deterioration processes, which provide an excellent... (Continue reading)

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