Digital Concrete Testing Machine
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Concrete Testing Machine
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The strength of concrete is generally estimated after 28 days by crushing field test cubes or cylinders made from the representative concrete used for the structure. The utility of ascertaining strength after 28 days is often questioned since by this time considerable concrete would have been placed and work may have progressed. It is then rather too late for remedial measures. It is therefore of tremendous advantage to predict 28 days strength within a few hours of casting the concrete so that, we have a good idea about the strength of the concrete.The rate of gain of strength of concrete depends on the reaction rate of cement and additions with water (Hydration). In common with all chemical reactions, the rate of reaction depends on reaction of temp. Higher reaction temperature gives higher rate of reaction e.g. the concrete gains strength more rapidly when its temp. is higher. Accelerated curing is the process by which the temperature of the concrete is raised artificially by applying external heat to speed up the rate of gain in strength.The test method covers procedures for curing test specimens of concrete stored under conditions intended to accelerate the development of strength. The procedures are: Procedure A- Warm Water Method, Procedure B-Boiling Water Method
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Hand Operated Concrete Testing Machine
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For determining the compressive strength of concrete, brick, Stone and other building Material (State silver medal product).Specifications: Measuring range and graduation value of dial : 0-50kN, 0-100kN, 0-200kn Max.Vertical clearance between platens :260mm Platens dimension : 220 x 220mm.. Net weight : About 250kg Max.Capacity : 200kN Very best imported quality long life power pack used. Additional Information: Pay Mode Terms: T/T (Bank Transfer)
FULLY AUTOMATIC CONCRETE CUBE COMPRESSION TESTING MACHINE
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EN 12390-4, ASTM C39, AASHTO T22, IS : 14858 (2000) Automatic Test Execution Set test parameters - including load rate and Press the start button The machine automatically starts the rapid approach; switches to the test speed once the specimen comes into contact with the upper platen; automatically release the pressure upon specimen failure Save the test including data results and load-time graph (Optional) Dual stage pump assuring fast piston approach and precise test execution Test execution conforming to EN 12390-4, ASTM C39, AASHTO T22 Controllable pace rate from 1 KN/Sec to 10 KN/Sec. Inbuilt graph in the touch screen display. Auto stop and auto release after completion of each test. Accuracy Class 1 (EN) and Class A (ASTM) starting from 10% of full scale. Soft platen-to-specimen contact and smooth load rate control from the very beginning of the ramp Allow remote verification of settings and performances. For easy debugging of unexpected malfunctions. Complete IP based controller. Working on 240V, 50-60Hz, single phase. Frame Four column high stiffness welded frame tested for stability. Heavy duty spherical seat in lubricating oil bath, allowing initial free alignment at the initial contact with the specimen and automatic jamming up to the end of test. Compression platens Series TM-042-AA fitted with 300 mm dia. platens which are suitable for testing cylinders up to dia. 150x300 mm and cubes up to 200 mm. Surface hardness of platen is 55 HRC, flatness tolerance 0.03 mm. Traceable certificate of surface hardness available on request. Attachment for Paver block testing is available at extra cost. Safety Features Max. pressure valve to avoid machine overloading Piston travel limit switch (Extra cost) Emergency stop button Hardware 132,000 points effective resolution, touch screen graphic display 240 x 128 pixel, sampling rate 50/sec, large storing capacity on USB pen drive test data downloadable to PC, Ethernet port, real time management software (optional). Optional Accessories at extra Cost Dedicated Data manager PC software
Concrete Testing Machine
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Concrete Testing Machine, Bursting Strength Tester