· OPC (Ordinary Portland Cement) and PPC (Portland Pozzolanic Cement) are two types of cement that are commonly used in the construction industry. Both have their own unique properties and characteristics, and the choice of which one to use will depend on the specific application and the desired outcome. Ordinary Portland Cement
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· The nature of concrete is why it’s one of the building materials trusted by many builders around the world. The top benefits of choosing concrete in construction are covered below. 1. It is Highly Durable and Resilient. Concrete can remain standing longer than other building materials.
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· Concrete is commonly used in the construction of large constructions such as buildings, highways, bridges, pavements, tunnels, and so on. Proper concrete mixing is critical for the structure’s stiffness and lifespan. Having a concrete mixer provides the following benefits. industrial concrete mixer for sale, start from $120. Process Acceleration.
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· Soon after asbestos cement was invented, the construction industry began using the material in a wide variety of building products. These products were made until the mid-1970s to early 1980s when asbestos was found to cause lung disease, including lung cancer, mesothelioma and asbestosis.
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:Concrete and CementCivil EngineeringCement ProductionCement concrete is an important construction material. Its importance is increasing every day. It is a composite material consisting of a binding material, which is essentially
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Disadvantages. • The compressive and flexural strength of foam concrete decreases as its density decreases. • Because foam concrete has a higher paste concentration and no coarse aggregate, it shrinks more than regular concrete. • Because it contains more cement than ordinary concrete; as a result, it gets expensive.
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The advantages of cement include the strength of the material, the ability to mould it into different shapes, and its affordability. On the other hand, cement has some disadvantages as well: Cement is not eco-friendly. Cement production requires a lot of energy.
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The reduction in weight of concrete helps easy removal, transport and erection of precast products. The use of lightweight concrete results in the reduction of cost to the extent of about 30 to 40 percent. The lightweight concrete doesn’t present special problems with respect to freezing and thawing. It is due to the fact that the larger
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Concrete obtained through mix design has desired properties such as working capacity, durability, setting time, strength, etc. Disadvantages of Concrete Mix Design: It requires a high initial cost. Also, require skilled labor. Also, requires specific attention. Also read: Concrete Mixer, Concrete Finishing Tools & Concrete Vibrator.
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:Concrete and CementConcrete Advantages and Disadvantages · We first discuss cement production and special nomenclature used by cement industrialists in expressing the composition of their cement products. We reveal different types of
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· The advantages of using asbestos cement pipes include higher tensile strength, better flow characteristics, long lifespan, corrosion resistance, resistance to deterioration, low cost, and easier installation. However, there are also disadvantages to using asbestos cement pipes, such as the thinning of the pipes over time and the health
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:Concrete and CementCivil EngineeringDisadvantages of Concrete · This paper reviews the impact of cement industry towards the global environment and solutions to the problem. The increasing harvesting of raw materials for
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· With a composite density of 1.86 g/cm3 compared to concrete’s average of 2.4 g/cm3, and a compressive strength exceeding commercial concrete demands of 23.3 MPa to 30.2 MPa, this lightweight
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· Some disadvantages of 3D printing include: Reduced employee number in the construction industry as the machine does most of the work. A finite number of materials can be used since the printer cannot be able to print the required design in various materials. Transportation of printers on job site becomes risky.
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· This gap is addressed by the current study through a systematic review of previous work on environmental impacts, energy consumption and efficiency, environmental regulation, and mitigation strategies of cement manufacturing industries across Asia.
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Thermal conductivity is decreased with lightweight concrete. 5. The use of lightweight concrete in the rooms where air conditioning is to be installed during the building’s construction would result in good thermal comfort and decreased power usage. 6. Stronger and more durable in comparison.
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· The pros of concrete. Concrete is incredibly durable. It won’t come as a surprise that concrete is an incredibly strong and durable material. It takes constant heavy foot and machine traffic in its stride, copes well with even the worst of weather conditions and provides almost unrivalled stability for structures. It’s extremely long lasting.
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The followings are the disadvantages of prestressed concrete: It requires high-strength concrete and high-tensile-strength steel wires. Concrete prestressing requires skilled technology. It needs highly skilled workers under skilled supervision. Construction cost is a little higher than RCC structures as it costs higher for high-strength materials.
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Faster initial setting time than PPC. Less curing time compared to PPC. 3. Rapid Hardening Portland Cement. Rapid hardening cement is also known as “High early strength cement” because it produces the strength at the age of 3 days is equal to the 7 days strength of OPC cement with the same water-cement ratio.
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While the advantages of reinforced concrete – such as strength, durability, and design flexibility – make it an excellent choice for a wide range of structures, the disadvantages of reinforced concrete –
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:Concrete and CementConcrete Advantages and DisadvantagesHere in this article all the major advantages and disadvantages of concrete are described. Advantages of Concrete Ingredients of concrete are readily available in most places. Unlike natural stones,
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Despite the numerous advantages of cement concrete roads, there are several disadvantages that need to be considered when deciding on road construction. These disadvantages include the initial construction cost, potential damage to existing infrastructure, sensitivity to extreme temperatures, environmental impact, and noise
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:Concrete and CementClimate ChangeCement Impact On Environment · Near-term pathways for decarbonizing global concrete production. Article Open access 29 July 2023. Efficient use of cement and concrete to reduce reliance on
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· It can add greater strength to the building. The concrete mixture generates a very low heat of hydration which prevents thermal cracking. Fly Ash concrete is resistant to acid and sulfate attacks. The shrinkage of fly ash concrete is very less. The use of fly ash gives concrete good workability, durability and finish.
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· Advantages of Ready-Mix Concrete. Better quality concrete is produced as it is made from consistent methods and in advanced equipment. No need to store construction materials at the site. Labour associated with the production of concrete is eliminated, thereby reducing labour cost. Air and Noise pollution at the job site is reduced.
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Fire and weather resistance of reinforced concrete is fair. The reinforced concrete building system is more durable than any other building system. Reinforced concrete, as a fluid material, in the beginning, can be economically molded into a nearly limitless range of shapes. The maintenance cost of reinforced concrete is very low.
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Disadvantages of ordinary portland cement: It cannot be used for large-scale concreting because it has a higher heat of hydration than PPC. The durability of OPC is lower than the PPC. It produces relatively less solid concrete than PPC, so pumping the concrete becomes a bit difficult. The OPC is finer hence higher permeability and consequently
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· The type of concrete in which steel fibers 10 to 20 microns in diameter and 10 to 50 mm in length is used. Fiber increases resilience, tensile strength, flexibility, and other qualities. The fibers may be of different materials like steel, polymer, glass, carbon, or even natural fibers like coconut fiber.
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· Green Concrete Disadvantages: Structures made with some types of green concrete have comparatively less Life than structures with conventional concrete. Compressive strength may vary with the change of green materials. Water absorption is high. Its Shrinkage and creep properties are high compared to conventional concrete.
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· Advantages of Urethane Cement: Curing Time: While a typical epoxy flooring system requires a 28-day curing period for concrete, polyurethane cement can be coated over concrete 7-10 days after being poured. This system’s moisture tolerance presents a huge advantage, especially in new construction applications where timelines
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