Testing Products

Concrete main structures of buildings under construction and existing buildings

Masonry main structures of buildings under construction and existing buildings

Bridge and tunnel structures

Concrete structures for hydraulic engineering, roads, and bridges

Concrete structures for municipal roads, subways, high-speed railways, and railway transportation

Concrete structures for wind turbines and tower structures

Concrete structures for nuclear power projects and dam projects

Various concrete components and other related concrete structures and masonry components

Testing Items

Compressive strength of concrete

Concrete defects

Thickness of concrete cover (reinforcement cover)

Cracks

Spacing of reinforcement bars

Diameter of reinforcement bars

Deflection

Cross-sectional dimensions and deviations

Component tilt (inclination)

Performance of structural components

Compressive strength of masonry mortar

Evaluation of construction quality

Evaluation of structural safety and reliability

Evaluation of structural seismic performance

Masonry construction quality

Position and dimensions of components

Structural performance

Slab thickness

Position and dimensional deviations of structural elements

Component dimensions and deformation

Testing Standards

Concrete Compressive Strength

CECS 03:2007: Technical specification for testing concrete strength with drilled core

DG/TJ 08-2020-2020: Technical standard for testing compressive strength of structural concrete

GB/T 19496-2004: Test method for compressive strength of spun high-strength concrete by drilled core

GB/T 50784-2013 (Clause 4): Technical standard for in-situ inspection of concrete structure

T/CECS 02:2020: Technical specification for inspecting compressive strength of concrete by ultrasonic-rebound combined method

JGJ/T 23-2011: Technical specification for inspecting of concrete compressive strength by rebound method

JTS 239-2015 (Clause 5): Technical specification for in-situ inspection of concrete structures in port and waterway engineering

DG/TJ 08-507-2018: Technical standard for nondestructive testing of high-strength concrete compressive strength

Concrete Defects

GB/T 50784-2013 (Clause 7): Technical standard for in-situ inspection of concrete structure

CECS 21:2000: Technical specification for inspection of concrete defects by ultrasonic method

JTS 239-2015 (Clause 4): Technical specification for in-situ inspection of concrete structures in port and waterway engineering

Concrete Cover Thickness

GB/T 50784-2013 (Clause 9): Technical standard for in-situ inspection of concrete structure

JGJ/T 152-2019 (Clause 4): Technical standard for test of reinforcing steel bar in concrete

GB 50204-2015 (Appendix E): Code for acceptance of constructional quality of concrete structures

Cracks / Reinforcement Spacing / Reinforcement Diameter / Deflection

GB/T 50784-2013 (Clause 8 for cracks, Clause 9 for spacing, Clause 8 for deflection): Technical standard for in-situ inspection of concrete structure

JGJ/T 152-2019 (Clause 4 for spacing, Clause 5 for diameter): Technical standard for test of reinforcing steel bar in concrete

Cross-sectional Dimensions and Deviations / Component Tilt

GB/T 50784-2013 (Clause 8): Technical standard for in-situ inspection of concrete structure

Structural Component Performance

GB/T 50152-2012: Standard for test method of concrete structures

GB/T 50784-2013 (Clause 12): Technical standard for in-situ inspection of concrete structure

Compressive Strength of Masonry Mortar

JGJ/T 136-2017: Technical specification for testing compressive strength of masonry mortar by penetration resistance method

Evaluation of Construction Quality

GB 50203-2011: Code for acceptance of constructional quality of masonry structures

GB 50204-2015: Code for acceptance of constructional quality of concrete structures

JGJ 7-2010: Technical specification for space frame structures

GB 50134-2004: Code for construction and acceptance of civil air defense works

RFJ 01-2015: Standard for quality acceptance and evaluation of civil air defense works

Evaluation of Structural Safety and Reliability

DG/TJ 08-804-2005: Standard for inspection and assessment of existing building structures

GB 50009-2012: Load code for the design of building structures

GB 50003-2011: Code for design of masonry structures

GB/T 50010-2024: Code for design of concrete structures (2024 edition)

GB 50038-2023: Code for design of civil air defense basement

GB 50144-2019: Standard for appraisal of reliability of industrial buildings

GB 50292-2015: Standard for appraisal of reliability of civil buildings

GB 50367-2013: Code for design of strengthening concrete structure

CECS 104:1999: Technical specification for high-strength concrete structures

JGJ 125-2016: Standard for dangerous building appraisal

Evaluation of Structural Seismic Performance

GB 50023-2009: Standard for seismic appraisal of buildings

GB 55021-2021: General code for assessment and retrofit of existing buildings

GB 50007-2011: Code for design of building foundation

GB/T 50011-2024: Code for seismic design of buildings (2024 edition)

GB/T 50010-2024: Code for design of concrete structures (2024 edition)

GB 50223-2008: Standard for classification of seismic protection of building constructions

GB 55001-2021: General code for engineering structures

GB 50068-2018: Unified standard for reliability design of building structures

GB 50009-2012: Load code for the design of building structures

Concrete Strength

GB 50204-2015、JGJ/T 23-2011、GB/T 50081-2019: Rebound-drilling core comprehensive method

Mortar Strength

GB/T 50315-2011: Push-out method, Cylinder pressure method, Mortar flake shear method, Rebound method, Point load method

JGJ/T 136-2017: Penetration resistance method

Masonry Construction Quality

GB/T 50315-2011: Brick rebound method, In-situ axial compression method

In-situ dual-brick shear method, In-situ single shear method

Surface defects

Position and Dimensions of Components

GB 50204-2015: Appearance quality, dimensional deviations, slab thickness

JGJ/T 152-2019: Crack measurement

JGJ 8-2016: Crack measurement

Structural Performance

Load-bearing capacity, deflection, crack resistance (based on GB 50204-2015、GB/T 50152-2012、GB/T 50344-2019、GB 50010-2010、GB 50009-2012、GB/T 50784-2013)

Position and Dimensional Deviations of Structural Elements

Axis position, elevation, cross-sectional dimensions, pre-embedded parts position, position and exposed length of reserved bars, verticality, flatness, out-of-plane deformation, floor height, etc. (based on GB 50203-2011、GB 50204-2015、GB 50206-2012、GB/T 51233-2016、GB/T 51231-2016、JGJ 1-2014, etc.)

Component Dimensions and Deformation

Component deflection, tilt, cross-sectional dimensions and deviations, cracks (based on GB 50204-2015、GB 50206-2012、GB/T 50344-2019、GB/T 51233-2016、GB/T 51231-2016、JGJ 1-2014、JGJ 8-2016、GB/T 50784-2013、CECS 21:2000)

Concrete Defects

Apparent defects, ultrasonic detection of defects, crack measurement (based on GB 50204-2015、GB/T 50784-2013、CECS 21:2000、DG/TJ 08-804-2005、GB/T 50344-2019)

Structural Component Performance

Static load test (based on GB 50204-2015、GB/T 50344-2019、GB/T 50784-2013、GB/T 50152-2012、GB 50206-2012、JGJ/T 488-2020)

Service Advantages

Professional technical team with sophisticated and comprehensive testing equipment, possessing extensive field testing experience.

Participated in the preparation of relevant standards, providing strong technical support. A strict quality management system ensures objectivity and impartiality, delivering truthful and effective test results for clients.

Based in Shanghai, serving the whole country, and expanding into overseas testing markets, ready to provide comprehensive technical service packages.