What is Concrete? • Mixture of: • Aggregate (Stone) • Sand • Portland Cement • Water + + + =. Proportions • Aggregate • Sand • Portland Cement • Water 1 cement : 2 sand : 3 gravel : and 1 water Mix dry ingredients and then water is slowly added to the mix. Types of Concrete Work • Concrete work can be split into 3 categories ...
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Concrete Construction 3 major costs of concrete Formwork costs including labor, equipment, and materials Cost of reinforcing steel and placement Concrete materials ... – A free PowerPoint PPT presentation (displayed as an HTML5 slide show) on PowerShow - id: 423758-OWRlO
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A finely pulverized material consisting. principally of compounds of lime, silica, alumina, and iron. 5. Concrete. A monolithic, ceramic product of aggregates. bonded with cement, such as Portland or asphalt. 6. Composition of Concrete.
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Presentation Transcript. GENERAL INFORMATION ABOUT CEMENT INDUSTRY • Cement is a basic material for building and civil engineering construction. • Cement is a finely ground, non-metallic, inorganic powder when mixed with water forms a paste that sets and hardens.
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Precast Concrete also is known as "prefabricated" is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and lifted into place. In contrast, standard concrete is poured into site-specific forms and cured on site. produced in plants ...
Presentation Transcript. Introduction "A cement is a binder, a substance that sets and hardens and can bind other materials together. It principal constituents for constructional purpose are compounds of Ca (calcareous) and Al + Si (argillaceous)" Chemical Composition of Cement Lime 63%Silica 22%Alumina 06%Iron oxide …
CONCRETE. What is Concrete?. Concrete i s one of the most commonly used building material s. Concrete is a composite material made from several readily available constituents (aggregates, sand, cement, water) .
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Green concrete is a type of concrete that uses less energy and causes less harm to the environment during production compared to conventional concrete. It incorporates waste materials like recycled concrete aggregates as partial replacements for cement or standard aggregates. Using materials like fly ash also reduces the carbon …
A finely pulverized material consisting. principally of compounds of lime, silica, alumina, and iron. 5. Concrete. A monolithic, ceramic product of aggregates. bonded with cement, such as Portland or asphalt. 6. …
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Cement. Oct 23, 2015 • Download as PPTX, PDF •. 39 likes • 21,845 views. AI-enhanced description. A. Abhiniti Garg. The document provides information on the process of determining the fineness of cement through dry sieving. It involves weighing 10g of cement and placing it on a 90μm sieve. The sieve is agitated to allow fine material to ...
Presentation Transcript. QUALITY CONSTRUCTION • Quality construction increases the lifespan, stability and serviceability of the structure. It also combines all the resources into economical output and reduces unnecessary repairs and maintenance. To cap all it disseminates the reputation of the agency.
Presentation Transcript. Reinforced Concrete Design. Compressive Strength of Concrete • fcr is the average cylinder strength • f'c compressive strength for design • f'c ~2500 psi - 18,000 psi, typically 3000 - 6000 psi • Ec estimated as: where w = weight of concrete, lb/ft3 f'c in psi E in psi for normal weight concrete ~145 lb/ft3.
The following are the types of cement that are used in construction works: Rapid Hardening Cement It is used in concrete where form works are removed at an early stage. Quick setting cement It is used in works to be completed in very short period and concreting in static and running water. Low Heat Cement It is used in massive concrete …
Light Weight Concrete - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Lightweight concrete has a density between 300-1850 kg/m3, reducing dead load on buildings. It is produced by replacing normal aggregates with lightweight aggregates like pumice or fly ash, …
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What are the different types of cement? • The following are the types of cement that are used in construction works: • Rapid Hardening Cement • It is used in concrete where form works are removed at an early stage. Quick setting cement • It is used in works to be completed in very short period and concreting in static and running …
The right water-cement ratio is crucial for achieving the desired strength and consistency. Reinforcement: The addition of reinforcement, often in the form of steel bars or mesh, enhances the tensile strength of RCC. This prevents cracks and ensures the structural integrity of the construction. Advantages of Reinforced Cement Concrete: …
Concrete is used as a building material for many applications. These include highways, streets, parking lots, parking garages, bridges, high-rise buildings, dams, homes, floors, sidewalks, and driveways. 6 Cement Industry 91 operating cement plants in …
Self-compacting concrete provides benefits like easier placement, faster construction, better surface finish, and improved durability. However, it also has higher costs associated with materials and mix design development.
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