Ankur Kumar

Este livro relata o estudo da resist ncia compress o e da resist ncia tra o por compress o de bet o envolvendo cinza de casca de arroz (RHA) e fibra pl stica em diferentes propor es. A classe de bet o M-20 foi utilizada para o estudo experimental. O teor de RHA foi utilizado de 5% a 15%, com um intervalo de 5%, substituindo o cimento Portland normal (C.P.O.) e as fibras pl sticas foram utilizadas de 1% a 3%, com um intervalo de 1%, substituindo o agregado grosso. As fibras de pl stico foram obtidas cortando os sacos de polietileno em pequenos peda os. A resist ncia compress o e a resist ncia tra o por compress o do bet o foram verificadas aos 7 dias e aos 28 dias do per odo de cura. Os resultados mostram que as amostras de bet o com RHA e fibras de pl stico apresentaram uma melhor resist ncia em compara o com as amostras de bet o controlado.

Dieses Buch berichtet ber die Untersuchung der Druck- und Spaltzugfestigkeit von Beton mit Reish lsenasche (RHA) und Kunststofffasern in unterschiedlichen Anteilen. F r die experimentelle Studie wurde Beton der G teklasse M-20 verwendet. Der RHA-Gehalt wurde in einem Intervall von 5 % bis 15 % anstelle von gew hnlichem Portlandzement und die Kunststofffasern in einem Intervall von 1 % bis 3 % anstelle der groben Zuschlagstoffe eingesetzt. Die Kunststofffasern wurden durch Zerschneiden von Polyethylenbeuteln in kleine St cke gewonnen. Die Druckfestigkeit und die Spaltzugfestigkeit des Betons wurden nach 7 und 28 Tagen Aush rtungszeit gepr ft. Die Ergebnisse zeigen, dass die Betonproben mit RHA und Kunststofffasern im Vergleich zu den kontrollierten Betonproben eine bessere Festigkeit aufwiesen.

Ce livre rapporte l' tude de la r sistance la compression et de la r sistance la traction fractionn e d'un b ton contenant des cendres de balle de riz (RHA) et des fibres plastiques dans diff rentes proportions. Un b ton de grade M-20 a t utilis pour l' tude exp rimentale. La teneur en RHA a t utilis e de 5% 15% l'intervalle de 5% en rempla ant le ciment Portland ordinaire (O.P.C.) et les fibres plastiques ont t utilis es de 1% 3% l'intervalle de 1% en rempla ant l'agr gat grossier. Les fibres plastiques ont t obtenues en coupant les sacs en poly thyl ne en petits morceaux. La r sistance la compression et la traction du b ton a t v rifi e 7 jours et 28 jours de la p riode de cure. Les r sultats montrent que les chantillons de b ton contenant des RHA et des fibres plastiques pr sentent une meilleure r sistance que les chantillons de b ton contr l s.

Questo libro riporta lo studio della resistenza alla compressione e della resistenza alla trazione per spaccatura del calcestruzzo con cenere di lolla di riso (RHA) e fibra plastica in diverse proporzioni. Per lo studio sperimentale stato scelto il calcestruzzo di grado M-20. Il contenuto di RHA stato utilizzato dal 5% al 15% con un intervallo del 5%, sostituendo il Cemento Portland Ordinario (C.P.O.) e le fibre di plastica sono state utilizzate dall'1% al 3% con un intervallo dell'1%, sostituendo l'aggregato grosso. Le fibre di plastica sono state ottenute tagliando i sacchetti di politene in piccoli pezzi. La resistenza alla compressione e la resistenza alla trazione per spaccatura del calcestruzzo sono state verificate a 7 giorni e a 28 giorni di stagionatura. I risultati mostrano che i campioni di calcestruzzo con RHA e fibre di plastica hanno mostrato una resistenza migliore rispetto ai campioni di calcestruzzo controllati.

Charag is the first hindi poetry book of my life. Different aspects of life have been described in this book. The life of a human being is also like a lamp. Life is gradually decreasing with each passing moment, in the same way as a burning lamp is reduced. Just as a lamp tries to keep burning and doing its work even in a storm, in the same way a human being must face every difficulty. In the end, life has to end just like a daily lamp.

Solar energy becomes an essential requirement in present days. It is very important energy resource in the aspect of environment safety, simplicity and availability. Solar energy is widely using this time all over the world and India is a country which is leading in use of this. The solar energy setup has high initial cost, low efficiency (PCE) and lack of disposal methods. These drawbacks are regularly overcome by researches in this field. These drawbacks suggest is to bring the use of such materials which gives a high PCE at low cost. While selecting the suitable material for PC its hazardous effect on environment should also keep in mind.

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