Concrete Testing Equipment
LSY-26 Concrete Specimen Outlet-Type Rapid Freeze-Thaw Testing Machine
The frost resistance of concrete specimens is determined under water–freeze–thaw conditions and expressed in terms of the number of rapid freeze–thaw cycles they can withstand.
LSY-27 Concrete Sulfate Dry–Wet Cycling Testing Machine (English Version)
It is applicable for determining the sulfate resistance of concrete specimens in a wet–dry cyclic environment, expressed as the maximum number of dry–wet cycles the concrete can withstand.
LSY-28 Concrete Carbonation Test Chamber (English Version)
The concrete carbonation test chamber is a specialized device for conducting concrete carbonation tests, and it complies with the requirements for carbonation testing equipment specified in GBJ 82-85, “Long-Term Durability Tests for Concrete.”
LSY-29 Concrete Poisson’s Ratio Testing Instrument
The concrete Poisson’s ratio testing apparatus, used in conjunction with a universal testing machine, is designed to determine the Poisson’s ratio of concrete. Constructed from aluminum alloy, it is easy to install, lightweight, and durable, and can be equipped with dial indicators from various manufacturers.
The slump cone set of four components is a standard apparatus used for concrete slump tests. It is primarily employed to assess the workability, water retention, and cohesion of concrete.
LSY-30 Concrete Air Void Spacing Coefficient Tester (Economy Model)
The LSY‑30 hardened concrete air-void spacing coefficient analyzer is primarily used to investigate the effects of air-entraining agents on concrete air‑void characteristics, the relationships between these characteristics and mix proportions, and the correlations between the air‑void spacing coefficient and freeze–thaw durability indicators.
LSY-31 Asphalt Concrete Parallel-Plate Shear Rheometer
This instrument is applicable for determining the shear rheological parameters of asphalt mortar and asphalt concrete at specified temperatures, and is suitable for both materials.
JCD-40 Multifunctional Building Material Freeze-Thaw Testing Machine
The fully automatic low-temperature freeze–thaw testing machine consists of three major components: the refrigeration system, the control system, and the water‑filling system.
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