Oct 5, 2023 · This present study seeks to explore the application potential of three different bacterial species (Bacillus subtilis, Bacillus sphaericus, and Sporosarcina pasteurii) on the mechanical strength, durability, and microstructure of the gypsum plaster. The use of porous conch shell powder (CSP) as a bacterial carrier through immobilization ...

May 20, 2019 · Bio waste shell powders were used as bio fillers in gypsum plasters. Highly workable and free flowing plaster mixture is obtained. Bio-fillers improve mechanical strength and reduce porosity. Dense gypsum matrix with well developed dihydrate …

The gypsum mortar is an efficient substitute for cement to be used in internal plastering and several other structural applications. Gypsum based mortars contributes significantly towards the society and hence are generally known as ‘green cements’ [21].

It can be observed that the egg shell powder replaced bio mortar exhibited higher density values but the conch shell powder replaced mortar specimens exhibited decreasing density values than...

Dec 30, 2019 · The results showed that the untreated egg shell and conch shell powder did not cause much improvement in the strength parameters of bio mortar whereas the thermally treated egg shell and...

This present study seeks to explore the application potential of three different bacterial species (Bacillus subtilis, Bacillus sphaericus, and Sporosarcina pasteurii) on the mechanical strength, durability, and microstructure of the gypsum plaster.

May 20, 2019 · This study aims at analyzing the physical and mechanical properties of binary compositions of gypsum binder containing varying proportions of different shell powders namely Egg shell powder (ESP), Conch shell powder (CSP), Cuttle bone powder (CBP) and Scallop shell powder (SSP) as bio-filler.

Apr 20, 2019 · Four series of gypsum composites namely ZE (zeolite egg), ZC (zeolite conch), ZCB (zeolite cuttlebone) and ZS (zeolite scallop) were produced to investigate the effect of mineral additive (zeolite) and bio-fillers (shell powders) on the properties of gypsum plaster.

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Dec 15, 2023 · Sophia and Sakthieswaran showed that gypsum plaster with enhanced water and thermal stability could be produced through the addition of zeolite (natural and calcined) and shell powders (egg, conch, cuttlebone, and scallop).