Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. A non-destructive sonic method. Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. All the Controls products ASTM C standard. Enter now!.
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Our large selection of inventory lets us fill your order immediately and at a completion rate that is extremely high in our industry. Geotest Catalog Request Catalog.
GrindoSonic HT System – HT-SYSTEM
E Terminology for Nondestructive Examinations. The chassis measures 17x14x11″.
Changing accelerometer positions on the test specimen is time consuming. No items in cart. All claims must be made within 30 days of purchase. Process control Number of programs 5 with controller unit Ast standard Grindosonic Number of Elevated segments 4 with B standard Grindosonic Optional: Click to see GrindoSonic Accessories. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Click to order the GrindoSonic MK7 separately. Advanced Search Search Tips. With atm Geotest pickup and driver mounted on portable stands, it is not necessary to use a test bench, which is mandatory on other apparatus. Resonant frequency can be determined by watching the voltmeter reach its highest point.
Resonance Test Gauge Resonance Test Gauge [GH]
Search book title Enter keywords for book title search. The oscilloscope confirms that peak reading on meter is actual resonance and not a harmonic. The apparatus consists essentially of a driver 2c15 pickup circuit. ASTM C, C The Geotest Sonometer is one of several devices now being offered for determining changes in resonant frequency of concrete specimens subjected to alternate cycles of freezing and thawing with C Freeze-Thaw Apparatus.
You will not see our advertised products at a lower price or we will refund or credit the c25.
Look through our website. Land Use and Development. Metals and Alloys Ceramics and more See 4 more pictures. This test method is intended primarily for detecting significant changes in the dynamic modulus of elasticity of laboratory or field test specimens that are undergoing exposure to weathering or other types of potentially deteriorating influences.
Other systems offer an oscilloscope connection. Enter your account email address to request a password reset: Are you sure you want to empty the cart? FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. The difference depends, in part, on the strength level of the concrete. There were no books found for the applied search filters. The oscilloscope verifies resonance because the meter alone also reaches high points on harmonics.
Search Advanced Search Search Tips. If you like to setup a quick demo, let us know at support madcad. A very detailed instruction manual accompanies each sonometer.
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Defective items will be either replaced or repaired. Ease of use measurement system Connection to an High Temperature oven is possible Trigger level adjustable Option: Product knowledge and commitment to customer service guarantees that your order is processed the same day you place it. All other units use accelerometers which require intimate contact with satm test specimen. Features of the MK7 Unit: The original PCA design has been modified by changing to solid state circuitry and addition of a built-in cathode ray oscilloscope.
Print xstm 2 3 4 5 page sstarting from page current page. The value of the dynamic modulus of elasticity obtained by this test method will, in general, astmm greater than the static modulus of elasticity obtained by using Test Method C Copyright Compu-tecture, Inc. Enter your personal account email address aetm request a password reset: The actual frequency is displayed on a built-in digital counter.
To us, complete customer satisfaction means: Frequency analysis FFT calculation for detections of multiple vibrations modes Selection of zones of interest by waveband filtering Oscilloscoop function for time domain analysis Graphic visualisation of frequency domain Technical Information: This apparatus closely follows design parameters set up over 40 years ago by the Portland Cement Association research laboratories.
Today, some 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and zstm consumer confidence. Satisfaction Guaranteed – If for any reason our products do not meet your expectations, return them. Different computed values for the dynamic modulus of elasticity may result from widely different resonant frequencies of specimens of different sizes and shapes of the same concrete.
Remember me for one month. The conditions of manufacture, the moisture content, and other characteristics of the test specimens see section on Test Specimens materially influence the results obtained.