問題一覧
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air bath
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used to perform flexural tests on concrete beam specimen
flexural testing machine
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for the determination of the consistency, the medium and high workability of fresh concrete.
slump cone
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curing tanks
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designed for higher temperature heating
muffle furnace
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tar viscometer
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it is used to determine the workability of fresh concrete. The ball is lowered into the concrete and the penetration measured. It can b
Kelly ball apparatus
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it records directly the percentage of air enclosed in freshly mixed concrete by operating according to the air pressure principle.
air entrainment meter
9
used to determine the strength and slope stability of rock size
portable rock shear box assembly
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fatigue tester of asphalt beams
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used to perform compression test on concrete bean – specimens.
compression testing machine
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rapid chloride ion penetration meter
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used to determine the quality of aggregates by abrasion
micro-deval testing machine
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suitable to determine the abrasion resistance of glazed tiles and other materials
abrasimeter
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designed to mix dry materials like: powders, cement, gypsum and granulometric materials. In a short time it assures a perfect and homogenous mixture.
dry mixer
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used to separate the various elements of the fresh concrete such as cement, sand, aggregates.
joisel apparatus
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penetrometer
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duriez test set
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suitable for field mixes of medium strength concrete
drum type mixer
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used to determine the weight per cubic meter of freshly mixed and compacted concrete.
unit weight measure
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used to determine the resistance to abrasion and wear of cement, concrete and similar materials.
tribometer abrasion tester
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used for the determination of cement content in fresh concrete , coarse and fine aggregate, fly ash and GGBF slag content can also be determined.
RAM (rapid analysis machine)
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universal extruder
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used for quick and easy measurement of the plasticity of mixtures especially concrete, and so to detect rapidly any excess of water. The measuring system is related to the shear strength applied by a three blade heads to the mixture under test.
plasticity meter
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viscometer
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vibrating tables
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thermostatic bench cabinet
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Vebe consistometer method is based on the same principle of the simple slump cone test method, for the determination of the workability of concrete, but it has the advantage of a mechanized action after removing the slump cone, the concrete undergoes a vibration to determine its slump. A space disk set in contact with the upper surface of the wet concrete, gives the operator the opportunity to determine when the compaction is complete. The operator will count the time necessary to complete the requested vibration, so as to get an indication of the workability of the concrete.
vebe consistometer
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bulk density of cement
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used to determine the strain and deformation – characteristics of concrete specimens.
compressometer
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laboratory purpose oven specially designed for drying, baking, conditioning and moisture determination.
laboratory ovens
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used to measure resistance of an aggregate to crushing under a gradually applied compressive load.
aggregate crushing value apparatus
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for accurate moisture reading on site of soil, sand, aggregates
moisture tester
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designed to reduce to powder any sort of granulometric material (clinker, cement, stones, hard materials) for general purpose laboratory tests.
jar mill
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used to test the effects of specified environmental conditions.
climatic chamber
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use for field determination of the amount of surface moisture in fine aggregates.
chapman flask
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operated for sieves when perform sieving tests.
sieve shaker motor
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asphalt testing system
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used to determine the workability of concrete.
flow table
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flame photometer
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designed the reduction of test samples which are – for too large in volume to be conveniently handled. It divides samples so that half is representative of the original whole sample.
sample splitters
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specimen grinding machine
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to thrust out; force or press out.
extruder
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fraas apparatus
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device for separating wanted elements from unwanted material or for characterizing the particle size distributions of sample.
sieves
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use for splitting breaking rock.
geologic hammer
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ultrasonic pulse velocity tester
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used to determine the setting time of the mortar fraction in concrete mixes with the slump greater than zero, by testing mortar sieved from mix.
concrete penetrometer
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used to determine the resistance t – o abrasion and wear of cement, concrete and similar materials
volumeter
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universal testing machine
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vicat apparatus
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designed to undertake a more precise and sensitive test procedure than the simple slump test
compacting factor apparatus
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automatic concrete water permeability apparatus
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automatic mortar mixer
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used in molding
concrete moulds
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used to determine the resistance of aggregates by – abrasion
los Angeles abrasion machine
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specimen cutting machine
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to determine the degree of compaction and the workability of fresh concrete. Used for in-situ measurements of inside test molds. Test results can be correlated against the slump values.
K-slump tester
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the concrete workability meter (also known as plastometer) is designed to test concrete for dynamic workability.
concrete workability meter
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used for specific gravity and water absorption test.
buoyancy balance
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reflux extractor
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design to remove a cylinder of material, much like a hole saw.
core drill
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is used for rock classification tes . – ts
rock classification hammer
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automatic binder extraction unit
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flow cone apparatus
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length comparator
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hydraulic press