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Get IS 516 (Part 4)-2018 PDF for Free: Hardened Concrete Testing Methods


Is 516 (Part 4)-2018 PDF Free Download?




If you are a civil engineer or a contractor who works with concrete structures, you might have heard of IS 516 (Part 4)-2018. This is a national standard that specifies a method for taking cores from hardened concrete, their examination, preparation for testing, and determination of compressive strength. This standard is widely used in India and other countries to assess the quality and durability of concrete structures, as well as to identify and rectify defects and damages in them.




is 516 (part 4)-2018 pdf free download


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But how can you get access to this standard? Is it available online for free download? If yes, where can you find it? And how can you use it effectively in your work? In this article, we will answer these questions and more. We will give you an overview of what IS 516 (Part 4)-2018 is, why it is important for civil engineers and contractors, and how you can download it for free. We will also provide you with some tips and tricks on how to use online tools and software to convert, edit, and print the standard in PDF format.


What is IS 516 (Part 4)-2018?




Overview of the standard




IS 516 (Part 4)-2018 is a national standard that was published by the Bureau of Indian Standards (BIS) in 2018. It is a part of IS 516 series that covers various methods of tests for strength of concrete. The other parts are:


  • IS 516 (Part 1): Methods of tests for strength of concrete Part 1: Compressive strength



  • IS 516 (Part 2): Methods of tests for strength of concrete Part 2: Flexural strength



  • IS 516 (Part 3): Methods of tests for strength of concrete Part 3: Splitting tensile strength



  • IS 516 (Part 5): Methods of tests for strength of concrete Part 5: Non-destructive testing



  • IS 516 (Part 6): Methods of tests for strength of concrete Part 6: Ultrasonic pulse velocity



  • IS 516 (Part 7): Methods of tests for strength of concrete Part 7: Rebound hammer



  • IS 516 (Part 8): Methods of tests for strength of concrete the structural and environmental factors, such as reinforcement, cracks, joints, moisture, temperature, etc.



  • It describes how to examine and measure the core samples for their diameter, length, mass, density, moisture content, and surface condition.



  • It explains how to prepare and cap the core samples for testing, using suitable materials and methods such as sulfur mortar, high alumina cement mortar, or grinding.



  • It outlines the testing procedure and calculation of compressive strength of core samples, using a calibrated compression testing machine and applying a constant rate of loading.



  • It defines the acceptance criteria and reporting of test results, based on the number of core samples, the average and individual compressive strength values, and the correction factors for diameter and length.



Why is it important for civil engineers and contractors?




Benefits of using the standard




IS 516 (Part 4)-2018 is an important standard for civil engineers and contractors who work with concrete structures. It offers several benefits such as:


  • It helps to assess the quality and durability of concrete structures by providing a reliable and accurate method for measuring their in-situ compressive strength.



  • It helps to identify and rectify defects and damages in concrete structures by locating the weak or faulty areas and determining the extent and severity of deterioration.



  • It helps to comply with the specifications and codes of practice for concrete construction by ensuring that the concrete structures meet the required strength and performance criteria.



Challenges of using the standard




However, IS 516 (Part 4)-2018 also poses some challenges for civil engineers and contractors who use it. Some of these are:


  • It has some limitations and uncertainties associated with the core test method, such as the effect of core size, shape, orientation, location, sampling frequency, drilling damage, capping quality, loading rate, etc. on the compressive strength results.



  • It requires careful planning and execution to ensure the representativeness and reliability of the core samples and test results, such as selecting adequate number and size of core samples, avoiding sampling bias, following proper drilling and testing procedures, etc.



  • It involves ethical and legal issues of taking cores from existing structures, such as obtaining permission from the owners, ensuring safety of the structure and the personnel, minimizing damage and disturbance to the structure, restoring the structure after testing, etc.



How can you download it for free?




Sources of the standard




If you want to download IS 516 (Part 4)-2018 for free, you have several options to choose from. Some of these are:


  • The official and authentic source of the standard is the BIS website, where you can purchase and download the standard in PDF format for a nominal fee of INR 500. You can also access the standard online through the BIS portal or the BIS mobile app.



  • The alternative and unofficial sources of the standard are various websites and blogs that offer free download links or share copies of the standard in PDF format. However, these sources may not be reliable or accurate, as they may contain outdated, incomplete, or modified versions of the standard.



  • The best way to verify the validity and accuracy of the downloaded version of the standard is to compare it with the official version from the BIS website, or to check the ISBN number, publication date, and revision status of the standard.



Tips and tricks for downloading the standard




Here are some tips and tricks on how to download IS 516 (Part 4)-2018 for free and use it effectively in your work:


  • Avoid malware, viruses, and scams when downloading the standard online by using a trusted antivirus software, a secure browser, and a reputable download manager. Also, avoid clicking on suspicious links or pop-ups that claim to offer free download of the standard.



  • Use online tools and software to convert, edit, and print the standard in PDF format. For example, you can use PDF Converter to convert the standard from other formats such as Word or Excel to PDF, PDF Editor to modify or annotate the standard in PDF, and PDF Printer to print the standard in PDF.



  • Cite and reference the standard in your academic or professional work according to the style guide or format prescribed by your institution or organization. For example, you can use APA Style to cite and reference the standard as follows: In-text citation: (BIS, 2018) Reference list entry: BIS. (2018). IS 516 (Part 4): Methods of tests for strength of concrete Part 4: Taking cores from hardened concrete, their examination, preparation for testing and determination of compressive strength. Bureau of Indian Standards.



Conclusion




IS 516 (Part 4)-2018 is a national standard that specifies a method for taking cores from hardened concrete, their examination, preparation for testing, and determination of compressive strength. It is an important standard for civil engineers and contractors who work with concrete structures, as it helps them to assess the quality and durability of concrete structures, as well as to identify and rectify defects and damages in them. However, it also poses some challenges for them, such as the limitations and uncertainties of the core test method, the representativeness and reliability of the core samples and test results, and the ethical and legal issues of taking cores from existing structures. Therefore, they need to be careful and diligent when using the standard in their work. They also need to know how to download the standard for free from various sources online, and how to use online tools and software to convert, edit, and print the standard in PDF format. By following these tips and tricks, they can make the best use of IS 516 (Part 4)-2018 in their work.


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