(Maria Montessori – The discovery of the child) Dr. Montessori recognized that children are born with a particular kind of mind‚ one that is naturally inclined towards order. This ‘special’ mind is what gives humans the ability to make judgments and to calculate; it is how we have progressed in fields such as engineering and architecture. Dr. Montessori called this ‘the mathematical mind’ - a term borrowed from the French physicist and philosopher Blaise Pascal. Montessori felt that‚ if we
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“PROBLEMS IN READY MIX CONCRETE” A PROJECT REPORT Submitted by MISTRY UMANG 100393106006 VARSHA RAJPUT 100393106001 In fulfilment for the award of the degree of BACHELOR OF ENGINEERING in Civil Engineering S.P.B. Patel Engineering College‚ Mehsana Gujarat Technological University‚ Ahmedabad December‚ 2012 CERTIFICATE Date: This is to certify that the dissertation entitled “PROBLEMS IN READY MIX CONCRETE” has been carried out by MISTRY
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having the right type of concrete mixer can ensure that you will do a job in excellence. There are several tools and types of concrete mixers that can be used to ensure that your job gets done easier. The first type of concrete mixer that you may want to consider using is a mobile concrete dispenser. ball mill manufacturer is used to batch concrete in one area then move to another area. Usually‚ these dispensers are used to pour sidewalks and other projects that need concrete batched into several areas
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object thereby strengthening it. The idea of pretensioned concrete has been around since the late 19th century‚ but its use was limited by the quality of materials available at the time. It wasn’t until the 1920s that materials of a suitable quality were available in sufficient quantity to allow pretensioned concrete to be used with confidence. The pioneers of this field were Freyssinet‚ Magnel and Hoyer. Description: In pre-tensioned concrete tensile elements such as cables‚ ribbons‚ or rods are clamped
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been approved for use by agencies of the Department of Defense. e1 NOTE—Range value in 12.2.2 was editorially corrected July 2001. 1. Scope 1.1 This specification covers materials for use as chemical admixtures to be added to hydraulic-cement concrete mixtures in the field for the purpose or purposes indicated for the seven types as follows: 1.1.1 Type A—Water-reducing admixtures‚ 1.1.2 Type B—Retarding admixtures‚ 1.1.3 Type C—Accelerating admixtures‚ 1.1.4 Type D—Water-reducing and retarding
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Strength of concrete Chapter 6 Properties of concrete :- Strength Durability Impermeability Volume stability Strength of concrete is the most valuable property. What is strength? Strength depends on the physical structure and volume of hydration products. Therefore it gives an idea of the quality of concrete. Note :- strength depends less on the chemical composition of the paste and more on the physical structure
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soil Vegetation Tool Kit for Engineers 4.10/ P/ 2 Non Structural cracks: Moisture Changes Building materials expand on absorbing moisture and shrink on drying. These are generally reversible. Shrinkage in concrete or mortar depends on a number of factors • Cement concrete: Richer the mix greater is the drying shrinkage. • Water content: More water in mix induces greater shrinkage • Aggregates : Large aggregates with good grading has less shrinkage for same workability as less water
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Maria Montessori The Secret of Childhood (Chp. 6 Page 29) Every child has a certain potential and an unconscious urge to carry out activities. He is very curious in nature and wants to develop his own powers to reveal himself. Maria Montessori termed this urge as the spiritual embryo.
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POLYMER COCNCRETE 1. Introduction Despite being thought of as a modern material‚ concrete has been in use for hundreds of years. The word concrete comes from the Latin concretus‚ which means “mixed together” or compounded. Concrete is an extremely popular structural material due to its low cost and easy fabrication. Concrete is made up of sand or stone‚ known as aggregate‚ combined with cement paste to bind it. Aggregate can be of various sizes. It is broadly categorized as fine (commonly
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Montessori philosophy interprets “discipline” (Montessori‚1988) and “obedience” (Montessori‚ 1988) in a different way than any other philosophy does. This essay intends to discuss and define those two important factors in detail and explains the difference between them.” Discipline” and “obedience” can only be discussed in combination with freedom in a prepared environment. Freedom not only allows the child to progress in his/her own pace‚ it also fosters the child’s emerging inner discipline. However
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