Water Conservancy Project Testing

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Concrete Engineering Testing

Water conservancy and hydropower engineering holds a pivotal position in national infrastructure construction, undertaking vital functions such as flood control, irrigation, power generation, and water supply. Concrete, due to its advantages of good plasticity, high strength, strong durability, and relatively low cost, has become the most widely used construction material in water conservancy and hydropower projects. Whether it is key hydraulic structures like dams, sluices, spillways, water conveyance tunnels, or power plant buildings, concrete is their primary constituent material, directly impacting the structural safety, stability, and long-term operational performance of the project. We possess a professional testing team certified by the Ministry of Water Resources, capable of providing differentiated testing and mix design validation services for different dam types, tunnels, and embankments, helping your concrete demonstrate its unique performance label in "milestone projects."

Testing Products

Cement

Fly Ash

Concrete Aggregates

Concrete and Concrete Structures

Steel Reinforcement (Rebar)

Mortar

Chemical Admixtures

Asphalt (Bitumen)

Waterstop Materials

Testing Items

Fineness, Water Requirement for Normal Consistency, Setting Time, Soundness, Mortar Fluidity, Mortar Strength, Specific Surface Area, Loss on Ignition (LOI), Alkali Content, Sulfur Trioxide (SO₃) Content

Strength Activity Index, Water Demand Ratio, Fineness, Soundness, Loss on Ignition (LOI), Sulfur Trioxide (SO₃) Content, Moisture Content

Fineness Modulus, Saturated Surface-Dry (SSD) Water Absorption (of Sand/Gravel), Clay, Silt and Dust Content, Bulk Density, Apparent Density (SSD Apparent Density), Flat and Elongated Particle Content, Weak Particle Content, Soundness, Crushing Value, Alkali-Aggregate Reactivity, Sulfate and Sulfide Content, Mica Content, Oversize and Undersize Particle Content

Concrete Mix Slump, Mix Bleeding Rate, Mix Uniformity, Mix Air Content, Mix Apparent Density, Mix Setting Time, Mix Water-Cement Ratio, Compressive Strength, Axial Tensile Strength, Flexural Strength (Bending Strength), Modulus of Elasticity, Impermeability Grade, Freeze-Thaw Grade, Rebar Spacing, Concrete Cover Thickness, Carbonation Depth, Rebound Strength (Rebound Hammer Compressive Strength), Internal Defects

Tensile Strength, Yield Strength, Percentage Elongation after Fracture, Tensile Strength of Joints/Connections, Reverse Bending

Consistency, Bleeding Rate, Apparent Density, Compressive Strength, Impermeability

Water Reducing Rate, Solid Content, Moisture Content, Air Content, pH Value, Fineness, Chloride Ion Content, Total Alkali Content, Shrinkage Ratio, Bleeding Ratio, Compressive Strength Ratio, Setting Time Difference

Density, Penetration, Ductility, Softening Point

Tensile Strength, Elongation at Break, Tear Strength, Compression Set

Testing Standards

Cement (Fineness, Normal Consistency Water Requirement, Setting Time, Soundness, Mortar Fluidity, Mortar Strength, Specific Surface Area, LOI, Alkali Content, SO₃ Content):

GB/T 1345—2005, GB/T 1346—2011, GB/T 2419—2005, GB/T 17671—2021, GB/T 8074—2008, GB/T 176—2017

Fly Ash (Strength Activity Index, Water Demand Ratio, Fineness, Soundness, LOI, SO₃ Content, Moisture Content):

GB/T 1596—2017, GB/T 1345—2005, GB/T 1346—2011, GB/T 176—2017

Concrete Aggregates (Fineness Modulus, SSD Water Absorption, Clay/Silt/Dust Content, Bulk Density, Apparent Density, Flat/Elongated Particles, Weak Particles, Soundness, Crushing Value, Alkali Reactivity, Sulfate/Sulfide Content, Mica Content, Oversize/Undersize Particles):

SL/T 352—2020

Concrete and Concrete Structures (Mix Slump, Bleeding Rate, Uniformity, Air Content, Apparent Density, Setting Time, W/C Ratio, Compressive Strength, Axial Tensile Strength, Flexural Strength, Elastic Modulus, Impermeability Grade, Freeze-Thaw Grade, Rebar Spacing, Concrete Cover Thickness, Carbonation Depth, Rebound Strength, Internal Defects):

SL/T 352—2020, GB/T 50080—2016, GB/T 50081—2019, GB/T 50082—2024, SL 713—2015, JGJ/T 152—2019, JGJ/T 23—2011

Steel Reinforcement (Rebar) (Tensile Strength, Yield Strength, Percentage Elongation after Fracture, Tensile Strength of Joints/Connections, Reverse Bending):

GB/T 228.1—2021, GB/T 28900—2022, GB 1499.1—2024, GB 1499.2—2024, GB/T 2651—2023, JGJ/T 27—2014, JGJ 107—2016, GB/T 238—2013, GB/T 21839—2019

Mortar (Consistency, Bleeding Rate, Apparent Density, Compressive Strength, Impermeability):

SL/T 352—2020

Chemical Admixtures (Water Reducing Rate, Solid Content, Moisture Content, Air Content, pH, Fineness, Chloride Ion, Total Alkali, Shrinkage Ratio, Bleeding Ratio, Compressive Strength Ratio, Setting Time Difference):

GB 8076—2008, GB/T 50080—2016, GB/T 8077—2023, GB/T 50082—2024, GB/T 50081—2019

Asphalt (Bitumen) (Density, Penetration, Ductility, Softening Point):

GB/T 8928—2008, DL/T 5362—2018, GB/T 4509—2010, GB/T 4508—2010, GB/T 4507—2014

Waterstop Materials (Tensile Strength, Elongation at Break, Tear Strength, Compression Set):

GB/T 528—2009, GB/T 228.1—2021, GB/T 529—2008, GB/T 7759.1—2015

Service Advantages

Specialized in concrete engineering testing for 14 years.

Possesses a professional testing and management team, as well as advanced instruments and equipment covering all test items.

Business capabilities and service quality widely praised by service partners.