Technical Civil Engineering

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Ready Mix Concrete is specialized material in which concrete ingredients are weigh-batch at a plant in a central mixer, before delivery to the construction site. In the case of a centrally mix type, the drum carrying the concrete revolves slowly so as to prevent the mixed concrete from segregation and prevent its stiffening from initial set. This paper represents how one can produce consistent quality of concrete. To make good quality concrete it very necessary to test the raw material of concrete on daily or weekly basis This article represents the maintenance of quality of Ready Mix Concrete. As the Ready Mix Concrete is widely used all over the world hence consistent quality concrete is necessary. The main objective of this article is that the QA/QC engineer in RMC plant and site civil engineer should have the knowledge of advantages of Ready Mix Concrete over the site mix concrete. This paper will also help to the freshers in maintaining the quality of concrete. The engineer will g

  Every structure comprises of hundreds of building materials like sand, cement, aggregates, bricks, tiles, marble, etc. For creating a quality structure, building material quality plays an important role and needs to be checked frequently at different stages of construction.  Cement   is the most significant material used in construction and is responsible for the overall strength of the structure. Cement quality has to be ensured strictly for ensuring quality in construction. WHY TESTING OF CEMENT IS IMPORTANT? Cement plants   are mainly located near limestone mines in remote locations.  Cement companies  produce clinker from a centralised clinkerization plant. Clinkers are ground at the clinkerization plant or conveyed to strategically located grinding units for grinding followed by packing of cement bags. Cement, manufactured and packed are conveyed and distributed to designated locations via road/rail. During transporting there are chances of moisture absorption by the cement eve

 

PRINCIPLE OF WORKING FROM WHOLE TO PART It is a fundamental rule to always work from the whole to the part. This implies a precise control surveying as the first consideration followed by subsidiary detail surveying. This surveying principle involves laying down an overall system of stations whose positions are fixed to a fairly high degree of accuracy as control, and then the survey of details between the control points may be added on the frame by less elaborate methods.  Once the overall size has been determined, the smaller areas can be surveyed in the knowledge that they must (and will if care is taken) put into the confines of the main overall frame.  Errors which may inevitably arise are then contained within the framework of the control points and can be adjusted to it. Working from whole to part According to this principle, it is always desirable to carryout survey work from whole to part. This means, when an area is to be surveyed, first a system of control points is to be es

DIFFERENCE BETWEEN AAC BLOCKS VS RED BRICKS DIFFERENCE                                                                     AAC BLOCKS           RED CLAY BRICKS Raw Materials Cement, Fly ash, Water, & Air Entraining Agents Clay (Alumina), Sand, Lime, Iron Oxide & Magnesia Also Called as Autoclaved Aerated Concrete Blocks Red Bricks, Chamber Bricks, Clay Wire-Cut Bricks, Table Mold Bricks Color Grey Red Weight 4” Blocks    9-9.5 Kg 6” Blocks   12.5-13 Kg 8” Blocks   14-14.5 Kg 3” Bricks   3-3.5 Kg 6” Blocks   4.5-5 Kg Fire Resistance (For 8” Wall) Up to 4 Hours Around 2 hours Water Penetration AAC blocks absorb 10% of water max. By weight, making them ideal for any construction project. Red clay bricks generally absorb a lot of water, ther