The modulus of elasticity of concrete is relatively constant at low stress levels but starts decreasing at higher stress levels as matrix cracking develops. 1 lectures accompanying the book: solid state physics: an. The initial tangent modulus E c in N/mm 2 is estimated from k c c f E 5000 = (1.2) where f ck = characteristic compressive strength of concrete at 28 days The initial tangent modulus E c is also known as short term static modulus of elasticity of concrete in N/mm 2 and is used to calculate the elastic … elastic modulus obtained from conventional specimens (15×30 cm cylinders) of mortar and/or wet-screened concrete, along with the modulus of the gravel, be used to estimate the modulus of elasticity of the dam concrete. The tensile strength as well as the modulus of elasticity of concrete are both proportional to the square-root of its ultimate strength, f c, and can be approximated by f t = 6 f c…………(1.1), E ... of Metals. Elastic analysis ... Constitutive Relations in Solids Elasticity. Planar isotropy = 5 ... Isotropy means. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Modulus of elasticity of concrete(Ec) is defined as the ratio of the applied stress to the corresponding strain. Engr. Not only does it demonstrate the ability of concrete to withstand deformation due to applied stress but also its stiffness. Poisson’s Ratio of Concrete. Units of elastic modulus are followings: In SI unit MPa or N/mm 2 or KN/m 2. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete … CHAPTER 4. Not only does it demonstrate the ability of concrete to withstand deformation due to applied stress but also its stiffness. Measure load and the corresponding deformation as the load is increased. - We have 1/m =0.25 so E = 3K(1-0.5) or K=E/1.5 = 2/3(E) K=2/3 * 2.05* 10 5 =1.365 * 10 5 =N/mm2 now by definition of bulk modulus K= / v or v = /K but v ... | PowerPoint PPT presentation | free to view, Modulus of Elasticity and Poisson Ratio of Concrete. Modulus of Elasticity and Poisson Ratio of Concrete - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Cv = Seismic coefficient based on soil profile and Av. Concrete Elasticity Modulus - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The modulus of elasticity for aluminum is 70 GPa and for streel is 200 GPa. Concrete is not linearly elastic as the other important material like reinforcing steel. - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. In recent years building specifications have even required a specific elastic modulus of concrete … It is important that E of concrete be known because engineers … 3d elasticity. Cap all end bearing surfaces of specimens, Place an attached strain gauges and capped, From our data results, figure 7, the specimen 6, Neglect number 6 of our specimen and take an. Ec = Modulus of elasticity of concrete. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Coefficient of thermal expansion, = 10 x 10 -6 per oC 53 Fatigue behaviour of Cement Concrete Calculation Procedures Young’s Modulus – E=(s 1-s 2)/(e 2-.000005) s 1 =the stress corresponding to the longitudinal strain of 50 micro strain. - Modulus of Elasticity and Poisson Ratio of Concrete. The elastic modulus of the hardened paste may be in the order of 10-30 GPa and aggregates about 45 to 85 GPa. The concrete … The properties of high density concrete made with sheared mild steel bars as coarse aggregate and sand as fine aggregate are studied through experimental investigations. The American Concrete Institute. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It follows that the two materials are best Higher value 16.3% is observed for lower strength i.e., 21 MPa and 7.5% increase for 70 MPa strength, while the strength of wet concrete is found less than dry concrete. • Sandstone has lower value modulus, which may range from 1,000,000 – 5,000,000 psi. The value of modulus of elasticity of wet specimen is found higher from 3 to 4 GPa (3.2 to 4.3 x 10 4 kg/cm 2) than dry specimen i.e., the modulus of elasticity of wet concrete is higher by 16.3% to 7.5 according to its compressive strength. Modulus of elasticity – typically 1-4 GPa (2-6 million psi) The flexural strength or modulus of rupture of concrete is used to design pavements and other slabs on ground. – Young’s Modulus (Modulus of Elasticity), E – Yield Strength, f y – Ultimate Strength, f u – Steel Grade Designation. REINFORCED CONCRETE Slide No. CrystalGraphics 3D Character Slides for PowerPoint, - CrystalGraphics 3D Character Slides for PowerPoint. f’c = Compressive strength of concrete. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free. The PowerPoint PPT presentation: "Modulus of Elasticity and Poisson Ratio of Concrete" is the property of its rightful owner. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Bulk Modulus Of Elasticity And Compressibilty PPT The initial tangent modulus E c in N/mm 2 is estimated from k c c f E 5000 = (1.2) where f ck = characteristic compressive strength of concrete at 28 days The initial tangent modulus E c is also known as short term static modulus of elasticity of concrete in N/mm 2 and is used to calculate the elastic deflections. You can change your ad preferences anytime. Draw the stress strain curve. Find values for the Young’s Modulus and Poisson’s ratio from the data. With the in- creased use of lightweight aggregates for structural con- crete a better understanding of the relationship between weight, strength, and the elastic modulus is needed. Knowing that the beam is bent about a horizontal axis by a moment M = 1500 N-m, determine the maximum stress in (a) the aluminum and (b) the steel. So the modulus of elasticity for steel is much higher than that of rubber. presentations for free. Initially, the compressometer is set-up, followed by the application of load and testing. This deformation usually occurs in the direction the force is being applied. Upper components are attached to machines by a locking stem system. Use a pi tape to measure the sample diameter () and subsequently calculate the length-to-diameter ratio (⁄) and cross-sectional area (). American Society for Testing and Materials (ASTM) Specifications include . Byoungsok Shin. This is the elasticity we can feel. - Specially designed for mechanical engineers. Looks like you’ve clipped this slide to already. Modulus of elasticity of concrete […] The construction industry has taken considerable, High Strength Concrete (HSC) and generally Higher, To gain additional knowledge on property of. Modulus of elasticity is the measure of the stress–strain relationship on the object. Modulus of elasticity of concrete(Ec) is defined as the ratio of the applied stress to the corresponding strain. The IS 456 of 2000 gives the Modulus of elasticity as E C = 5000 fck where E C is the short term static modulus of elasticity in N/mm2. shown. On the one hand, the decrease in the modulus of elasticity when rubber aggregates are used can be logically justified by the well established fact that the modulus of elasticity of a concrete depends on the modulus of elasticity of the aggregates and on their volumetric proportion in … Confining pressure (s2 = s3) ... - Constitutive models Part 1 Background and terminology Elasticity An initial excuse One of the difficulties of the presentation of a difficult theory is that the ... - Elastic anisotropy - Data ... Elastic anisotropy tensor elements. Keypoints: Reinforced Concrete Beam, Modulus of Elasticity, Finite Element Analysis, ANSYS 14.0. Attachments are compatible with 500, 400, 300, and 250 concrete compression machine series models, and comply with test standards indicated. • For granites and limestone the modulus of elasticity in compression is in the range 2,000,000 – 7,000,000 psi. The weight density of reinforced concrete using normal aggregates is about 150 lb/ft3 (pcf). • The modulus of elasticity of concrete increases with increase in the modulus of aggregate used in its manufacture. Modulus Of Elasticity And Poisson Ratio Of Concrete PPT. B. Uzal, in Eco-Efficient Concrete, 2013. Poisson's ration = 0.15. – Size or Diameter of the bar or wire. View and Download PowerPoint Presentations on Bulk Modulus Of Elasticity And Compressibilty PPT. Clipping is a handy way to collect important slides you want to go back to later. With the in- creased use of lightweight aggregates for structural con- crete a better understanding of the relationship between weight, strength, and the elastic modulus is needed. Introduction Compressive Strength of Concrete. That's all free as well! Modulus of elasticity of concrete […] Find Poisson’s Ratio of Concrete. Depending upon the three of strain, there are three types of elastic moduli, viz. 4. Many of them are also animated. The strength of concrete is dependent on the relative proportion and modulus of elasticity of the aggregate. 5.3.5. Tensile test machine. In FPS unit psi or ksi or psf or ksf. 1/19 Tensile test for mild steel ... Tensile stretching of a bar results in lateral contraction or strain (and v v) ... - Earthquake Loads. – Young’s Modulus (Modulus of Elasticity), E – Yield Strength, f y – Ultimate Strength, f u – Steel Grade Designation. A simple composite model is used for this purpose. Scribd is the world's largest social reading and publishing site. Modulus of Elasticity and Poisson Ratio of Concrete - By: Tzu-Ting Yang. Brinks, M.D. See our User Agreement and Privacy Policy. Hii Assuming that the deformation is entirely elastic, calculate the elastic modulus of the steel EM204 Material Science 15 E 3 10 1 O L 2 6 / 10 223 m N A F O t GPa m N E 223 / 10 223 2 9 MEASURING THE MODULUS OF ELASTICITY OF CONCRETE CORES AND CYLINDERS Rev. In this paper, the modulus of elasticity of lightweight concrete contains polyethylene terephthalate (PET) as fine, coarse aggregate was estimated by using and fiber experimental data from different literatures. ... shear strain, g = angle of deformation (radians) shear modulus, G = t /g (elastic region) ... - Title: Normal Stress (1.1-1.5) Author: heeter Last modified by: Yun Jing Created Date: 1/9/2007 12:05:30 AM Document presentation format: On-screen Show (4:3). Rightful owner corresponding strain root of the bar or wire creep does not necessarily cause to! And Compressibilty PPT for you to use in your PowerPoint Presentations on Bulk modulus elasticity... That today 's audiences expect on approximately 3,500 6 x 12 inch cylinders is! Types of elastic MODULI, viz the elastic modulus of concrete PPT test determining! Of creep strain is a fundamental parameter in reinforced concrete is known as compression... With the square root of the applied stress but also its stiffness for £5. 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