Testing Products

In-Situ Concrete Strength (Rebound, Core Drilling, Ultrasonic-Rebound Combined Method)

Scanning of Rebar Position, Diameter, Quantity, and Cover Thickness

Internal Defects (Holes, Honeycombing, Crack Depth) Ultrasonic/Radar Detection

Durability Series: Carbonation Depth, Chloride Ion Content, Permeability

Measured Component Cross-Sectional Dimensions, Verticality, Flatness, Slab Thickness

Pull-out Test of Post-Installed Anchors (Anchors, Rebar Dowels)

Static Load and Dynamic Load Tests

Building Appraisal

Building Health Monitoring

Testing Items

In-Situ Concrete Strength (Rebound, Core Drilling, Ultrasonic-Rebound Combined Method):

Rebound value in test area, carbonation depth value, core sample compressive strength, core sample height-to-diameter ratio, ultrasonic pulse velocity value, estimated strength value.

Scanning of Rebar Position, Diameter, Quantity, and Cover Thickness:

Rebar spacing, rebar diameter, number of rebars, cover thickness, rebar alignment.

Internal Defects (Holes, Honeycombing, Crack Depth) Ultrasonic/Radar Detection:

Acoustic time, acoustic velocity, amplitude attenuation coefficient, crack depth, radar reflection time, defect plane position, defect burial depth.

Durability Series (Carbonation Depth, Chloride Ion Content, Permeability):

Carbonation depth value, chloride ion content percentage, electric flux, chloride ion migration coefficient, surface permeability coefficient.

Measured Component Cross-Sectional Dimensions, Verticality, Flatness, Slab Thickness:

Cross-sectional width, cross-sectional height, verticality deviation, flatness deviation, slab thickness value.

Pull-out Test of Post-Installed Anchors (Anchors, Rebar Dowels):

Ultimate pull-out force, design pull-out force, slip displacement, failure mode.

Static Load and Dynamic Load Tests:

Incremental load value, measured deflection, residual deflection, strain value, first-order natural frequency, damping ratio, dynamic amplification factor.

Building Appraisal:

Safety rating, serviceability rating, seismic detailing rating, characteristic value of foundation bearing capacity, component load-bearing capacity ratio.

Building Health Monitoring:

Cumulative settlement, differential settlement, tilt angle, crack width variation, strain value, vibration acceleration, structural natural frequency, damping ratio.

Testing Standards

In-Situ Concrete Strength (Rebound, Core Drilling, Ultrasonic-Rebound Combined Method): JGJ/T 23, CECS 03:2007, CECS 02:2020, GB 50204-2015, GB/T 50081

Scanning of Rebar Position, Diameter, Quantity, and Cover Thickness: JGJ/T 152-2019, GB 50204-2015, GB/T 50344-2019

Internal Defects (Holes, Honeycombing, Crack Depth) Ultrasonic/Radar Detection: CECS 21:2000, JGJ/T 668-2022, GB/T 50784-2013

Durability Series (Carbonation Depth, Chloride Ion Content, Permeability): GB/T 50784-2013, GB/T 50082-2009, JGJ/T 322-2013, JGJ/T 498-2022

Measured Component Cross-Sectional Dimensions, Verticality, Flatness, Slab Thickness: GB 50204-2015, GB/T 50344-2019, GB/T 50784-2013

Pull-out Test of Post-Installed Anchors (Anchors, Rebar Dowels): JGJ 145-2013, GB/T 50344-2019

Static Load and Dynamic Load Tests: GB/T 50344-2019, GB/T 50152-2012, JGJ/T 101-2015

Building Appraisal: GB 50292-2015, GB 50144-2019, GB 50023-2009, JGJ 125-2016

Building Health Monitoring: GB/T 51461-2024, GB 50982-2014, CECS 532:2018

Service Advantages

Multi-method combined testing ensures high stability for strength estimation and defect identification.

Large-tonnage reaction system integrated with dynamic acquisition enables full-process monitoring of static, dynamic, and fatigue tests.

Laboratory proficiency testing continuously meets standards; test results are traceable, and reports have legal effect.

Real-time data interaction with BIM platform facilitates rapid structural performance assessment and hazard prediction.

Equipped with a 20,000 kN computer-controlled electro-hydraulic servo compression-shear testing machine.

Testing range for ultimate compressive strength of rubber bearings: circular rubber bearings from the minimum diameter specified in the standard up to 600mm; rectangular rubber bearings from the minimum side length specified in the standard up to 450mm × 600mm or 500mm × 550mm.

Testing range for compressive elastic modulus, shear elastic modulus, compression aging, shear bonding performance, and friction coefficient of rubber bearings: circular rubber bearings from a minimum diameter of 350mm up to the maximum diameter specified in the standard; rectangular rubber bearings from a minimum side length of 300mm × 400mm up to the maximum side length specified in the standard.

The testing range for the vertical bearing capacity (vertical compression deformation, radial deformation of the pot ring) of pot bearings and spherical bearings is from design vertical bearing capacity class 2.0 MN to class 12.5 MN.