Bs 1881 part 202 free download

Nondestructive testing of concrete by rebound hammer. Concrete, by nature, is a nonuniform, nonisotropic structural material consisting of aggregate particles, air voids and moisture distributed heterogeneously in a hardened matrix. Recommendations for surface hardness testing by rebound hammer from. Download bs codes page 2 of 4 civil engineering community. The amount of readings in each slab was defined by recommendations of bs 1881. Guide to the use of nondestructive methods of test for hardened concrete.

Recommendations for surface hardness testing by rebound hammer from the open bs standard webstore. Pull off test to evaluate the compressive strength of concrete. The carbonation rate is a function of concrete cover over reinforcing steel, time and diffusion constant. Carbonation free download as powerpoint presentation. Labline rebound hammer at rs 9800 unit schmidt hammer. Diffusion constant is determined by the concrete quality. Bs 1881202 february 28, 1986 testing concrete part 202. Free download bs 1881 pdf standard from public digital library. Isat initial surface absorption test introduction the isat test specified in bs 1881 part 5 was originally developed as a laboratory method of measuring the porosity of concrete where carried out on oven dried concrete, the results are reasonably comparable between materials.

All bsi british standards available online in electronic and print formats. Recommendations for surface hardness testing by rebound hammer bs 1881115. Revised cpwd specifications, 2002 for cement mortar, cement concrete and rcc works. Bs 85001 bs 85002 bs en 2061 bs en 123901 bs en 123902 bs en 123907 bs en 125041 bs en 12350 bs en 12390 bs en 12504 bs iso 57252 all current amendments available at time of purchase are included with the purchase of this document. If the document is revised or amended, you will be notified by email. In 1954 proceq sa was founded and has been producing the original schmidt rebound hammers since then, without any. Another factor in the sizing of the slabs is the recommendation from the standard that discs should be set at a minimum of two diameters to each other and positioned at a distance of a diameter from the edges of the element to be tested.

Recommendations for the assessment of concrete strength by neartosurface tests, british standards. Pundit lab ultrasonic concrete tester introduction the pundit lab is an ultrasonic pulse velocity upv test instrument which is used to examine the quality of concrete. Concrete defects inspection and diagnosis springerlink. Home shop products tagged bs 1881 part 203 bs 1881 part 203. Bs 1881 testing concrete civil engineering community. Download bs standard, bs codes, bsi publications which published by british standards institution for free page 3 of 4. All bsi british standards are available online in pdf or hardcopy. Paving block strength bs 6717 part 1 precast concrete paving blocks strength initial surface absorption bs 1881 208 determination of the initial surface absorption of concrete. Please first verify your email before subscribing to alerts your alert profile lists the documents that will be monitored. Part 202 4 suggests that the estimation by means of ultrasonic pulse velocity or any measured number is an indication of about the first 30mm other. Download bs standard, bs codes, bsi publications which published by british standards institution for free page 2 of 4. Recommendations for surface hardness testing by rebound hammer.

Method for determination of compressive strength of concrete. Recommendations on the use of electromagnetic covermeters concretes, reinforced concrete, reinforcement, electromagneticallyoperated devices, electromagnetic induction, detectors, meters, measuring instruments, test equipment, calibration, testing conditions, accuracy, ferrous metals, thickness measurement. Dec 03, 2003 british standard bsi summary and reference. Download bs codes page 3 of 4 civil engineering community. Part 2021986, recommendations for surface hardness testing by rebound hammer. Recommendations on the use of electromagnetic covermeters british standard description of types, applications, calibration, methods of use. Part 202, isoidis8045, env 206, igjt 232001 the original schmidt hammer, type n, is designed for nondestructive testing of concrete items 4 100mm or more in thickness, or concrete with a maximum particle size less than or equal to 1. Sep 20, 2018 data collection and processing of test results comply with industry standards such as astm c805 en 125042 bs 1881 part 202 din 1048, part 2 a 83. Specification for compression testing machines for concrete bs 1881 105. Humboldts concrete rebound hammer provides a reliable, yet economical, alternative to the original schmidt hammer. Part 3 for the end prepared first with respect to the axis of the specimen as datum axis shall be 2.

Download scientific diagram operational system of a schmidt rebound. Where carried out on oven dried concrete, the results are reasonably comparable between materials. Download bs standard, bs codes, bsi publications which published by british standards institution for free. Enter your mobile number or email address below and well send you a link to download the free kindle. Data collection and processing of test results comply with industry standards such as astm c805 en 125042 bs 1881 part 202 din 1048, part 2 a 83. Bs 1881202 1986 testing concrete part 202 recommendations for surface hardness testing by rebound hammer free download as. Recommendations for measurement of velocity of ultrasonic pulses in concrete udc 666. Recommendations for surface hardness testing by rebound hammer inactive buy now. Types of rebound hammers several hundred thousands of schmidt rebound hammers are in uses worldwide baumann, 2006. Isat initial surface absorption test introduction the isat test specified in bs 1881 part 5 was originally developed as a laboratory method of measuring the porosity of concrete. Recommendations on the use of electromagnetic covermeters. Specification for compression testing machines for concrete bs 1881105. The silverschmidt features quicker and more accurate testing while addressing the previous insufficiencies of the traditional hammers.

Pull off test to evaluate the compressive strength of. Introduction used to measure the thickness of concrete cover over steel reinforcement bars and metal pipes, furthermore it is also used to identify the location, orientation and diameter of reinforcement bars rebar. This does not preclude the free use, in the course of. Bs 1881202 1986 testing concrete part 202 recommendations. Determination of water absorption of concrete specimens cored from a structure or precast component. Find the most uptodate version of bs 1881202 at engineering360. The proceq silverschmidt test hammer has been redesigned to provide unmatched accuracy, repeatability and easy, intuitive operation. Our policy towards the use of cookies techstreet, a clarivate analytics brand, uses cookies to improve your online experience. Operational system of a schmidt rebound hammer srh.

Review of the rebound hammer method estimating concrete. Scribd is the worlds largest social reading and publishing site. It features online data acquisition, waveform analysis and full remote control of all transmission parameters. Method for making test cubes from fresh concrete bs 1881. Quantification of benefits of steel fiber reinforcement for rigid pavement. Recommendations on the use of electromagnetic covermeters british standard description of types, applications, calibration, methods of use to measure cover and bar size. Astm c80585, test for rebound number of hardened concrete. Pdf concrete strength by combined nondestructive methods. Bs 70 1979 specification for low heat portland cement. Portable nondestructive concrete testing instruments proceq. Materials and components, design and workmanship sampling, treatment of samples and tests for cement type and content, aggregate type, content and grading, original water content, chloride, alkali and sulphate contents. With the direct method, in the laboratory, this test shows a coefficient of variation of about 22.