Concrete is a composite product obtained artificially by hardening of mixture of cement‚ sand‚ gravel and water in pre-determined proportions. When these ingredients are mixed‚ they form a plastic mass which can be moulded in desired shape. It gets hardened into hard solid mass. Water is one of the important ingredients of concrete. This is required not only for chemical reaction‚ but also for curing purposes. The chemical reaction of cement and water‚ in the mix‚ is relatively slow and requires
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To start‚ let’s establish what both an arch and concrete are. An arch is a curved structure that spans a space and may or may not support weight above it (Wikipedia). Concrete in the Roman period had a basis of what is called pozzolana‚ a chocolate-colored volcanic earth (Wilson‚ A‚ n.d). The Romans used both extensively and showcased these in their private dwellings‚ public buildings‚ statutes and the construction of town walls throughout the Roman empire. The arch itself was introduced to the
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Ingredients for concrete are cement‚ fine aggregate‚ coarse aggregate and water. The best concrete can be obtained by mixing the ingredients in correct proportions. The ideal proportion of concrete will be that‚ which produces greatest strength and solidity at the least cost. In estimating the quantities of ingredients for cement concrete it should keep in mind that voids of coarse aggregates are filled up by sand and voids of fine aggregates are filled up by cement. The concrete mix of 1: 1: 2 and
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2‚ Issue 1‚ January 2013 Investigation of Low Cost Concrete Using Industrial Waste as Supplementary Cementitious Materials JayrajVinodsinhSolanki1‚ Jayeshkumar Pitroda 2 Student of final year M.E. C E & M‚ B.V.M. engineering college‚ Vallabh Vidyanagar 2 Assistant Professor & Research Scholar‚ Civil Engg Department‚ B.V.M. Engineering College‚ Vallabh Vidhyanagar. 1 Abstract-This experimental investigation on strength of concrete and optimum percentage of the partial replacement by
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How do concrete and steel compare in the construction of large commercial buildings? Office buildings‚ Hotels‚ Sports Complexes‚ and other buildings have the purpose of bringing people inside. The goal is to keep occupants comfortable and safe‚ while keeping the cost associated withe the construction and maintenance of the building low. Both materials have advantages and disadvantages. However‚ when it comes right to it‚ the differences between the tow materials balance themselves out . There is
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The Breakfast Club as a Healing Myth John Bender Anyone who has ever attended high school can instantly relate to the word “Bully”‚ whether its memories of being bullied by someone or being the bully yourself. Everyone knows to look out for him‚ but for the most part‚ once you have been picked to be the one being bullied‚ you might as well paint a bull’s-eye on your back. John Bender’s character does precisely that‚ he’s not exactly friendly with everyone else in the group‚ but his main target
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the skin‚ triggering the automatic response of wound healing. Otherwise the standard removal of ink using laser can produce scars depending on the depth of the colour. Scarring tissue heavily involves fibroblasts and the specialised myofibroblast role is to replace the ECM components. The scarring and aging of the skin results in increase friction and declined mechanical properties-compression‚ tension and elasticity (Richard Wong). Wound healing can be described as a ‘sophistically regulated process
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?Chemical Medications or Natural Healing Many times when people get sick they go to the doctor to be diagnosed‚ then they make their way to the pharmacy to pick up the prescriptions the doctors say you need to cure the problem. What if the prescription is wrong? But is there a better solution? Natural healing is much better than any chemical medication the doctor prescribes to you because they are natural and more effective. Many prescriptions are easy to overdose on‚ and usually end in death
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OPERATION FREEDOM BIRD ‘The Healing Journey” Helping Vets Heal Since 1988 “The Healing Journey” provides you and your fellow veteran participants with a unique opportunity to share your experiences and confront your feelings while paying tribute to your fallen comrades. For more than a decade Southwest Airlines has graciously donated tickets to fly our veteran group to the war memorials in our nation’s capital tor the Veterans Day ceremonies. This Healing Journey could not have been made without
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and abuser which greatly helped Attiya to address and proceed with her own experiences of domestic abuse. This therapeutic approach is educational and transformative for both parties and the audience. By confronting her past‚ Attiya’s journey of healing took a large step and allowed her to deal with her pain and the impact of her abuse in her own words. This action and being acknowledged helped empower her and reclaim control over her life. In addition‚ this also helped her gain closure and seek
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