Science assignment help on: Chemicals
Introduction regarding Magnesium Oxide: Magnesium Oxide also symbolized as MgO refers to an ionic bond made between magnesium & oxygen. The magnesium oxide has been formed by burning magnesium ribbons which corrodes or rusts into a bright light & results into a powdered form. Magnesium oxide (MgO) is hygroscopic in nature which should be kept away from moisture & stored in a cool place. MgO is commonly found in Somma, USA, Sweded, etc (Swanson, 2001).
Uses of Magnesium oxide in construction industry: Magnesium Oxide refers to a versatile mixture or mineral which used a part of the cement mixture. The cement panels are majorly used in the construction industry to prepare commercial as well as residential buildings. The different versions of magnesium oxide i.e. MgO have been used in the general building material in the applications which require fire resistance, sound control applications & other benefits. One of the major uses of magnesium oxide is that it is used in the construction industry which helps to prepare a hard concrete or a building material.
MgO has been used as one of the major raw materials in case of the construction industry. The magnesia boards have been used recently in place of the old gypsum drywall. MgO is also used in the various construction applications such as fascias, shaft liner, wall sheathing, tile backing, area separation, etc. It is also used to subtract the coatings as well as insulate the various systems such as EIFS, Finish Systems, etc. MgO has been referred to as one of the best examples used in the construction industry to take up the various challenges in building which would lead to safe & durable buildings. As mentioned above that, MgO has been used as an insulator in case of cables used for industrial purposes. Therefore, it is used in strengthening the thermal conductivity. It has been used in the various electrical heating devices. The electrical device consists of a component known as “CalRod” (Gebauer, 1986). While constructing the library, MgO is used as a part of the building material. This is because MgO reacts with moisture which would help to dry the books in the storage areas (Gebauer, 1986). This also helps in drying the process in case of the cement manufacturing process (Gebauer, 1986). MgO has been referred to as one of the major ingredients in the construction material. MgO is used as a fire proofing element. Magnesium oxide i.e. MgO could be used in both interior as well as exterior applications. This would help to strengthen the entire building material & make the residential or the commercial building strong by using a thick & a different type of a cement mortar (including MgO).
Overall performance of MgO used as a binder to make the concrete: Magnesium Oxide refers to a versatile mixture or mineral which used a part of the cement mixture. Magnesium Oxide tries to binds up the entire mixture in such a manner that, it resembles like a clay. This mixture is then used to build the various residential & commercial buildings. The overall performance for the same could be seen as explained in the introduction for magnesium oxide. It is used as a binder in the construction industry to take up the various challenges while constructing various commercial & residential durable buildings.
Durability of Concrete: Magnesium oxide combines clay & cellulose in order to form cement which breathes through the vapors magnetically. The clay which is used along with magnesium oxide helps to balance as well as enhance the content of moisture level. The paste does not rot as it helps to expel the moisture content. According to the various cement standards, it has been that a prescribed limit of magnesia is permissible to be used in cement (Swanson, 2001).
Percent of Magnesium Oxide (MgO) can be utilized to achieve a good mortar: The maximum limit up to which the magnesia could be used relies between 3% – 6.5% (Gebauer, 1986). This limitation of magnesia should be kept into consideration as it might lead to high levels of negative effect over the durability of the concrete. An increase or over content of magnesia in the cement would add to great importance by considering an increased choice of the raw materials in the manufacturing of cement. Depending upon the various evidences it could be seen that approximately 7% – 8% (Buzzle.com, 2011), of magnesium oxide has been used in the clinker which would lead to the worsening of the concrete. Based upon the various investigations, expansion of magnesium oxide have been carried forward to provide cement paste & mortar paste which would help to provide limited data over the concrete construction (Swanson, 2001).
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