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WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF PRECAST

Jul 26, 2014· Advantages of Precast Concrete. The concrete of superior quality is produced as it is possible to have better technical control on the production of concrete in factory. It is not necessary to provide joints in the precast construction. The labour required in the manufacturing process of the precast units can easily be trained.

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What are the advantages and disadvantages of concrete

Nov 29, 2020· Nov 29, 2020· Like any other material, polished concrete floors come with certain disadvantages. Today, we take a closer look at the advantages and disadvantages of concrete floors to understand whether they are suitable for modern homes. Advantages: 1. Concrete floors are durable. Save. SANCHIS.

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12 Advantages and Disadvantages of Precast Concrete

Disadvantages of Precast Concrete. There are some disadvantages to precast concrete.They are discussed below. High Initial Investment: For installing a Precast Concrete plant, heavy and sophisticated machines are necessary which requires a high initial investment.A large scale of precast construction projects must be available to ensure sufficient profit.

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Ready mix concrete

Disadvantages of ready-mix concrete. Following are the disadvantages of ready-mix concrete: The materials are batched at a central plant, and the mixing begins at that very plant. So the travelling time from the plant to the site is critical over longer distances.

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Pros and Cons of a Concrete Driveway

Jun 22, 2019· The cement itself is a pulverized powder made from limestone and clay. The size of the aggregate in the concrete mixture can vary, depending on the intended use of the concrete. For typical structural construction used, concrete is formed with gravel-sized aggregates, but for finer work and smoother finished surfaces, finer sands can be used as

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Human Factors in Design of Control Rooms for Process

distributing smaller control rooms specific for operations throughout the plant, and designing a larger, single, centralized control room for all the operations within the plant [3]. The number of advantages and disadvantages of a centralized control facility make this decision somewhat complicated.

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Top 25 Advantages and Disadvantages of PLC

Jun 19, 2020· There are only a few disadvantages as compare to the advantages. Disadvantages of PLC: You can operate one program at a time in a compact PLC. In the case of PLC, we can not use software and parts of one PLC manufacture in another PLC manufacture. When power restores, PLC automatically starts. It can damage the system.

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What are the advantages of fuel oil from plastic waste

Advantages of fuel oil from plastic waste: The fuel oil from plastic waste is a kind of heavy oil which has heating value >10000kcal/L, even higher than some diesel, so you can well take the advantage of its high heating value, and use it for boilers, cement factory, steel mill and glass factory, etc as the diesel, coal as well as wood

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lucky cement advantages disadvantages

advantages and disadvantages of cement plant Advantages and Disadvantages of Fiber Cement Siding:Sep 27 2016 · Fiber cement is a durable material composed of sand cellulose fibers and cement The material was first patented in 1901 and underwent a change from asbestoscontaining materials in the 1980s Since then its use has increased among

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Cement and Cement Additives

Water cement ratio can be reduced (compared with no-fly ash mix) Reduce CO 2 emissions; DISADVANTAGES OF FLY ASH. There are some disadvantages of fly ash. Especially for small scale construction, these materials may not be applicable. A special arrangement is required at the batching plant when the concrete having the fly ash is taken.

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Advantages and Disadvantages of Using Asphalt as Paveme...

Just like any other material asphalt too has disadvantages.Where advantages are there, disadvantages will also be there. None of the materials have only advantages.So, if you're using asphalt for your surface paving then you should emphasize to know disadvantages as well with the advantages.

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Ready Mix Concrete

Aug 07, 2019· Aug 07, 2019· Disadvantages of Ready-Mix Concrete. Requires huge initial investment. Not suitable for small projects (less quantity of concrete is required). Need an effective transportation system from the batching plant to the job site. Labour should be ready at the site to cast the concrete in position without any delay to avoid slumps in the mixture.

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1. Introduction

Disadvantages · Soil contamination · Greenhouse gases emission · Leachate of toxic materials to soils, groundwaters and drinking water · Lack of sites for landfilling · High transportation cost · Equipment upgrade at a cement plant is needed · Competent operators are needed to control the process

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SCG to use clean coal tech for Mon State plant

May 09, 2017· Thailand cement company, Siam Cement Group (SCG) wants to continue using coal for its cement factory in Kyaikmaraw township, Mon State and has given its assurance that the coal plant will use clean coal technology so as not to affect the environment. "There are advantages and disadvantages for all power plants. Some countries want to be

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(PDF) Assessment of Physico-Chemical Properties of Soil

Deposition of industrial wastes on soils has both advantages and disadvantages, hence this study aimed at examining the effect of cement dust on the chemical properties of soils around Benue Cement Company Gboko.

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advantages and disadvantages of cement industry

Dec 30, 2012· The Advantages and Disadvantages of Commonly Used Cement .. The application of cement plant like cement mill, cement miller and china cement mills has been very extensive in domestic cement industry, and now I would like to .

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ICF Homes: Learn the advantages and disadvantages of ICF

Advantages of ICF Homes. There are many advantages of using ICF blocks to build your house: Significant energy savings: In a study by the Portland Cement Association, ICF homes saved up to 50% on heating and cooling costs over wood-framed homes. The poured concrete walls provide an excellent thermal mass, which helps maintain an even indoor air

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Cement Types, Composition, Uses and Advantages of

Apr 04, 2018· Apr 04, 2018· 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 cement products, their compositions, properties, and typical uses. Wherever possible, we tend to give reasons as to why a particular cement type is more suitable for a given purpose than other types.

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BIOMASS ENERGY FOR CEMENT PRODUCTION: .

Mugher Cement plant is a large, state-owned cement factory located 105 km west of Addis Ababa. Currently, the plant produces 900,000 tonnes of cement per year - Ordinary Portland Cement (OPC) and Portland Pozzolana Cement (PPC) – and plans are being implemented to expand its capacity to 2.3 million tonnes/year. 6

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The Advantages and Disadvantages of a Gunite Pool

A gunite pool may add more equity to your home than other types of pools. Because gunite is the most popular pool material, it is the most highly valued by home buyers. Gunite offers the most flexibility and adds morevalue to your property. What's Not so Great about Gunite. A .

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Advantages of Steel Silos vs Disadvantages of Concrete silos

Disadvantages of concrete silos : Less strength, durability : It is observed that the concrete silos have a smaller tensile strength than the other materials used for the storage of food grains and even cement. Therefore, compared to the concrete silos, other binding materials are more suitable. Ductility : Beton silos are considered to be less

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MARK SCHEME for the May/June 2011 question paper for the

Advantages (res. 2) To city and citizens Cheaper transport costs to work Readily available / quicker supply Employment To cement company Supply of labour Good infrastructure e.g. port, roads, electricity, water (up to 2) Market / near demand Cheaper delivery costs Disadvantages (res. 2) Air pollution / dust / smoke } Noise }

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Cement manufacturing using alternative fuels and the

Mar 15, 2004· 1. Introduction1.1.. Cement plant process modellingRecent studies on modelling cement manufacturing reported in the literature are mostly based on computational fluid dynamics (CFD), and they mainly study aerodynamic behaviour of particles in the preheating system, the shape and temperature of the flame in the combustion zone, coal combustion itself as well as oxygen enrichment .

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17 Biggest Advantages and Disadvantages of Plastics

Mar 20, 2020· List of the Disadvantages of Plastics. 1. Plastics typically come from non-renewable resources. Although the first plastic materials came from plant-based fibers, most of the items that we produce today have fossil fuels as their foundation. It's usually petroleum, but we can also use natural gas to develop this product.

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Variation in Fineness of Portland Cement and its Effects

2) Different codes impose different lower limits for fineness of cement. This research helps to determine the advantages and disadvantages gained, if actual fineness of cement violates these limits for high strength concrete. 3) The work of some researchers on effect of fineness of cement on high strength concrete was done on foreign cements.

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advantages and disadvantages of pre grinding process for

Advantages Disadvantages of Concrete Block Homes Hunker. Apr 26 2018 · Concrete homes offer a number of advantages and disadvantages just like any other home does Not unlike brick homes concrete homes have walls made of concrete bricks that can be left plain or painted But there are some things to bear in mind when deciding whether or not to move into or commission the construction of a

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The Advantages and Disadvantages of Cast-in-Place Concrete

Cast-in-place concrete is a common type of building material for commercial structures and residential homes alike. It involves pouring liquid concrete into removable forms and then dismantling the forms once the concrete has hardened to leave a solid wall behind.

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THE IMPACT OF MANAGEMENT INCENTIVE POLICIES ON .

"the impact of management incentive policies on worker's productivity (a case study of dangote cement factory, obajana, kogi state.)". Afribary, Afribary, 29 Jan. 2018. Web. 03 Oct. 2021.

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merit and demerit of cement industries

Advantages and Disadvantages of concrete- Types of Concrete. curing of cement. Admixture: Admixtures are the chemical compounds in concrete other than hydraulic cement (OPC), water and aggregates and mineral additives that are added to the concrete mix immediately before or during the mix to modify one or more specific properties of . Read More

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Advantages and Disadvantages of metals commonly used in

Look around the factory floor and, as sure as day, a gleaming array of metallic instrumentation and machinery will be staring back at you. Were it not for some incredibly versatile metals, much of these tools, and the products and services that the Process Industry specialises in simply couldn't be produced on a mass industrial scale. PIF examines the advantages and disadvantages of several

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Solved 2. What are the advantages and disadvantages of the

2 days ago· 2. What are the advantages and disadvantages of the bridge shown below (for Analysis, Design, Construction, Maintenance, etc.) (SO 2 and PI 2.1) SUPPORTING COMPONENTS TYPE OF DECK TYPICAL CROSS SECTION Steel Beam Cast-in-piace concrete slab precast concrete slab. steel grid. glued/spiked panels, stressed wood I (a) Cast-in-piace concrete Closed

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Advantages and Disadvantages of Particle Board

Advantages/Pros: The major advantage of selecting particle board is that it is a cost-effective option against plywood or medium density fiberboards. Laminated particle boards and veneered particle boards provide decorative looks in low price as compared to plywood.

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disadvantages of crushed stone powder in concrete

Apr 30, 2013· Cement and Concrete: Environmental Considerations – CSI – Home. have both environmental advantages and disadvantages. . Cement is the key ingredient in concrete products. . and gravel or crushed stone used in concrete . » More detailed. cost of crushed limestone per ton san antonio tx – Gulin . Recycled Crushed Concrete

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advantages and disadvantages for building a cement factory

Coal Advantages and Disadvantages – Pros of Coal Winning, 11 Apr 2011, Coal Advantages and Disadvantages – Pros of Coal Winning Despite Dangerous Cons, has made it the the first choice of Fuel for building Power Plants in the world, and forms the most important raw material for Cement and Steel, Coal Mines are also quite cheap to build and Mine with Open Cast....

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Indian Cement Industry Report

Dec 17, 2020· Cement Sector Analysis Report. India is the world's second largest cement market, both in production and consumption. Of the total production capacity, 98% lies with the private sector and 2% with the public sector. The top 20 companies account for around 70% of the total production. Housing and real estate sectors account for nearly 65% of

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Cement and Concrete: Environmental Considerations

Mar 01, 1993· Concrete and other cementitious materials have both environmental advantages and disadvantages. This article takes a look at how these materials are made, then reviews a number of environmental considerations relating to their production, use, and eventual disposal. Cement and Concrete Production. Cement is the key ingredient in concrete products.

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