Strength of materials

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    On the site visit from 7th October there were many materials that were playing an important part in the development of the roadworks, including steel, concrete/cement and many more. Below I have selected three materials from the site visit and identified properties and uses. • Steel There are over 3000 different grades of steel all with unique physical and chemical properties. The production of steel is made in accordance with its application. Due to its high strength Steel is one of the most common materials within the construction industry. The most important properties of steel are density and robustness, good tensile and yield strength, good thermal conductivity and expansion. As well as these important properties, another very important of the stainless steel properties is its resistance to corrode. Steel is often used in the form of beams, columns and plates. Within the construction site steel played a huge part in the development of the project, having several different uses for this…

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    scenario. Non-Cohesive Non-cohesive subsoils are sandy in nature and they present less of a problem for building on. They are composed mainly of sand and gravel, and they are closely compacted together which means that they are not affected by water. Therefore, their load bearing capacity does not change with the various seasons, summer or winter, drought or flood, it makes no difference. This means that they are unchanging. Cohesive Cohesive subsoils are predominantly clay they rely on…

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    Tensile Strength Essay

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    There are 2 types of strengths that materials can be tested on: Comprehensive strength and Ultimate Tensile strength. Ultimate Tensile strength is measured by how much stress can a material withstand, while being stretched or pulled apart before breaking, while comprehensive strength is how much van the material resists while being pushed in (together). There is also a Yield Strength- the point at which the material starts to slowly break and cannot come back to it’s shape. Before the yield…

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    Cold Formed Steel Essay

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    cold formed steel In general, cold formed steel has many important properties which make it significant building material, the main two properties of cold formed steel are: the yield point and the tensile strength and how are they related to formability of steel, most members in building industry are on high tensile loads, cold formed steel has a Huge tensile strength, however the ratio between the tensile strength and the yield strength is 1.2-1.8 .in addition to other good qualities of cold…

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    Granite- Reasonable dimensional stability, Good wear resistance, Better internal damping. Difficult to be machined, scarce, high price, low conductivity, absorbs coolant. Granite has some major flaws, like the ones which are listed below. • It is difficult to machine this material into required size andshape • Its scarcity and price • Low thermal conductivity leading it to heat concentration andeventual cracking, Ceramics- Stiffness, strength, corrosion resistance, dimensional stability, good…

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    Bamboo Essay

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    for, various applications. When looking at biological materials, to determine their effectiveness as a scaffold or sufficient structure for various other uses, often they are tested for their resistance to fracture. This is referred to as fracture propagation. Bamboo Bamboo is well known for its sufficient mechanical properties, and great flexibility. It also has great fracture toughness. Bamboo is considered to be a bio composite, meaning it encompasses multiple biological features and…

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    any notches found on the specimen a higher stress concentration will be measured at the center of the notch. The yield load and ultimate tensile load/strength (UTS) for each of the 12 specimens was measure and recorded in order to determine the stress concentration factor. It was concluded from the experiment that as removal from the specimen - whether by notch or hole - increases, the force required to reach yield load and ultimate tensile load decreases due to the weakening of the overall…

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    Simple Lab Report Essay

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    decrease towards the center of cubes; so these sides of the cube have near vertical cracks at the cube center. Figure (4.3): Failure pattern of cubes specimens (C1). 4.2.3. Static Modulus of Elasticity: Modulus of elasticity is a necessary parameter to determine the stresses in materials and structures. Even though concrete has nonlinear stress-strain behavior,…

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    In the world of Operations Management, especially in manufacturing, change is inevitable. There can be changes to the product based on customer feedback and product improvement. There can be changes to the processes due to new technology, think about robots, or product redesign. There can also be changes to the basic way you extrapolate data to determine how your operations are running. We used to keep track of production data on paper, it was inefficient at best and lacked the timeliness to…

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    Commercial Potty

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    situations of being dropped and/or hit, to maintain its form. Potty that breaks under usual types of contact, such as those mentioned above, will result in unhygienic scenes, which are totally undesirable in healthcare environment, that require lots of cleaning. Sufficient and constant supply of potty is in dire need because of its short use time as well as the large number of present patients, hence the need for ease of storing because customers don’t want them to take too much space, or…

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