A highway engineering site laboratory is established by industry authorities to address the specific characteristics of highway engineering projects, such as long routes, unique environmental conditions, and remote locations. These laboratories are categorized as contractor's self-inspection site laboratories, supervision laboratories, owner's central laboratories, etc. They have independent facilities, personnel, equipment, organizational structure, and quality control systems. Authorized by qualified parent laboratories, they independently conduct inspection and testing activities according to relevant standards. Primarily, they provide one-on-one, full-process quality testing services for engineering projects, delivering timely, professional, scientific, and accurate test data for engineering quality management.
Testing Products
Engineering Materials for Highway Construction
Engineering Products for Bridge Construction
Quality of Structural Entities
Road Engineering Quality Testing
Quality of Tunnel Main Structure Engineering
Foundation and Pile Testing and Monitoring
Tunnel Geological Prediction and Hidden Works Quality Testing
Periodic Inspection of Newly Built Bridges
Tunnel Environmental Quality Testing
Traffic Safety Signs and Markings, etc.
Testing Items
Cement
Mineral Admixtures
Chemical Admixtures
Grouting Materials
Cement Concrete and Mortar
Rock
Aggregates
Geosynthetics
Waterproofing Materials
Steel and Connections
Water
Prestressing Steel, Anchors, Grips and Couplers
Prestressed Corrugated Ducts
Prestressing Steel
Anchors, Grips and Couplers
Bridge Bearings
Bridge Expansion Joints
Degree of Compaction
Bearing Capacity (Deflection)
Geometric Dimensions and Elevation
Roughness
Rutting Depth
Pavement Distress Condition
Skid Resistance Performance
Structural Layer Thickness
Cement Concrete Strength
Foundation
Foundation Piles
Foundation Pit
Cross-Sectional Dimensions
Anchor Pull-out Force
Lining (Support) Thickness
Density Condition Behind Support (Lining)
Wall Surface Smoothness
Steel Support Spacing
Steel Reinforcement Grid Dimensions
Rebar Spacing in Lining (Main Bar Spacing, Distance Between Two Layers)
Inverted Arch Thickness
Inverted Arch Fill Quality
Anchor Bolt (Steel Pipe) Length
Anchor Bolt (Steel Pipe) Grouting Density
Observation Inside and Outside Tunnel
Crown Settlement
Ground Surface Settlement
Geological Observation
Forward Geological Conditions
Distribution and Nature of Unfavorable Geological Bodies
Waterproof Layer Construction Quality (Seam Width, Lap Length, Fastener Spacing, Weld Tightness)
Internal Displacement of Surrounding Rock
Anchor Bolt Axial Force
Surrounding Rock Pressure and Pressure Between Two Support Layers
Steel Support Internal Force
Internal Stress of Support (Lining)
Seepage Water Pressure
Water Flow Rate
Groundwater Level
Blasting Vibration
Illuminance
Noise
Wind Speed
CO Concentration
NO2 Concentration
CO2 Concentration
SO2 Concentration
O2 Concentration
NO Concentration
Methane (Gas) Concentration
Hydrogen Sulfide Concentration
Dust Concentration
Testing Standards
Cement:
GB/T 208-2014, JTG 3420-2020, GB/T 8074-2008, GB/T 1345-2005, GB/T 1346-2011, GB/T 17671-2021, JC/T 738-2004, GB/T 2419-2005, GB/T 176-2017
Mineral Admixtures:
GB/T 1345-2005, GB/T 1596-2017, JTG E51-2009, GB/T 51003-2014, GB/T 8074-2008, GB/T 208-2014, GB/T 2419-2005, GB/T 17671-2021, GB/T 18736-2017, GB/T 18046-2017, GB/T 176-2017, GB/T 1346-2011, GB/T 750-1992, GB/T 20491-2017, GB/T 27690-2011, YB/T 140-2009, JC/T 1088-2021, GB/T 27973-2011, JC/T 420-2006, GB/T 27975-2011, GB/T 27974-2011
Chemical Admixtures:
GB 8076-2008, JT/T 523-2022, GB/T 50080-2016, JTG 3420-2020, JC/T 477-2005, GB/T 17671-2021, JC/T 475-2004, JT/T 769-2009, GB/T 8077-2012, GB/T 8074-2008, GB/T 1345-2005, JC/T 475-2004, GB/T 23439-2017, GB/T 2419-2005, JC/T 474-2008
Grouting Materials:
GB/T 176-2017, GB/T 1346-2011, JTG 3420-2020, GB/T 17671-2021, TB/T 3192-2008, GB/T 8074-2008
Cement Concrete and Mortar:
JTG 3420-2020, GB/T 50082-2009, GB/T 50080-2016, GB/T 50081-2019, JGJ 55-2011, JTG/T 3650-2020, GB 50086-2015, DBJ50/T-287-2018, JGJ/T 372-2016, JTG/T F30-2014, JGJ/T 70-2009, JGJ/T 98-2010, DBJ/T 50-093-2009
Rock:
JTG 3431-2024, GB/T 50266-2013
Aggregates:
GB/T 14684-2022, JTG 3432-2024, JGJ 52-2006, GB/T 14685-2022
Geosynthetics:
JTG E50-2006, GB/T 13761.1-2022, GB/T 19470-2004, GB/T 13760-2009, JT/T 1432.2-2022, GB/T 17643-2011, GB/T 6672-2001, GB/T 17598-1998, GB/T 13762-2009, GB/T 4666-2009, GB/T 6673-2001, GB/T 17689-2008, JT/T 1432.1-2022, GB/T 7689.3-2013, GB/T 15788-2017, GB/T 16989-2013, GB/T 21825-2008, GB/T 14800-2010, GB/T 13763-2010, GB/T 19978-2005, GB/T 15789-2016, SL 235-2012, GB/T 19979.2-2006, GB/T 14799-2005, GB/T 19979.1-2005, GB/T 17635.1-1998
Waterproofing Materials:
GB/T 18173.1-2012, GB/T 528-2009, GB/T 2941-2006, GB/T 529-2008, GB/T 18173.2-2014, JT/T 1124.1-2017, GB/T 531.1-2008, GB/T 3512-2014, GB/T 18173.3-2014, GB/T 328.4-2007, GB/T 328.5-2007, GB/T 328.26-2007, GB/T 328.11-2007, GB/T 328.8-2007, GB/T 328.9-2007, GB/T 328.14-2007, GB/T 328.18-2007, GB/T 328.19-2007, GB/T 328.25-2007, GB/T 328.20-2007, GB/T 328.21-2007, GB 18242-2008, GB 18243-2008, GB 12952-2011, GB/T 18244-2022, GB 12953-2003, GB/T 23457-2017, GB/T 35467-2017, GB 23441-2009, GB/T 328.15-2007, GB/T 328.10-2007, GB/T 328.2-2007, GB/T 328.3-2007, GB/T 328.1-2007, GB/T 328.6-2007, GB/T 328.7-2007
Steel and Connections:
GB/T 246-2017, GB/T 228.1-2021, GB/T 28900-2022, GB/T 1499.1-2017, GB/T 1499.2-2018, GB/T 13788-2017, JGJ/T 27-2014, GB/T 2651-2008, JGJ 107-2016, GB/T 2653-2008, GB/T 33365-2016, GB/T 1499.3-2022, YB/T 4503-2015
Prestressing Steel, Anchors, Grips and Couplers:
GB/T 5223-2014, GB/T 21839-2019, GB/T 228.1-2021, GB/T 20065-2016, JT/T 329-2010, GB/T 14370-2015, JTG/T 3650-2020, GB/T 230.1-2018, GB/T 231.4-2009, JGJ 85-2010, TB/T 3193-2016, GB/T 5224-2014, GB/T 239.1-2023, GB/T 5223.3-2017, GB/T 232-2010, GB/T 238-2013
Prestressed Corrugated Ducts:
GB/T 2918-2018, GB/T 18477.1-2007, GB/T 8806-2008, JT/T 529-2016, CJ/T 225-2011, GB/T 19472.1-2019, GB/T 19472.2-2017, JG/T 225-2020, GB/T 5836.1-2018, YD/T 841.1-2016, QB/T 2479-2005, GB/T 21238-2016, GB/T 2918-2018, GB/T 14152-2001, GB/T 9345.1-2008, GB/T 5352-2005, YD/T 841.3-2016, GB/T 9647-2015, GB/T 8804.3-2003, GB/T 8804.1-2003, GB/T 8804.2-2003
Water (Mixing):
GB 6920-1986, GB 11896-1989, GB 11899-1989, JTG/T 3650-2020, GB/T 176-2017, GB 11901-1989, GB/T 5750.4-2006
Asphalt and Asphalt Mixtures:
JTG E20-2011, GB/T 4508-2010, GB/T 4507-2014, JTG 3410-2025
Inorganic Binder Stabilized Materials:
JTG 3430-2020, JTG 3441-2024, JTG E51-2009, JTG/T F20-2015
Prestressing Steel:
GB/T 5223, GB/T 5224, GB/T 21839, GB/T 228.1, GB/T 20065, JT/T 329, GB/T 14370
Anchors, Grips and Couplers:
JT/T 329, JTG/T 3650, GB/T 230.1, GB/T 231.4, GB/T 231.1, JGJ 85
Bridge Bearings (Laminated Rubber Bearings):
JT/T 4, GB/T 20688.4, JT/T 874, HG/T 2198, GB/T 2941, GB/T 528
Bridge Bearings (Pot Bearings):
JT/T 391, JT/T 851, JT/T 872, GB/T 20688.4
Bridge Bearings (Spherical Bearings): GB/T 17955
Bridge Bearings (Seismic Isolation Rubber Bearings):
JT/T 1062, GB/T 20688.1, GB/T 20688.2, GB/T 20688.3
Bridge Expansion Joints:
JT/T 327, GB/T 11345, GB/T 29712, GB/T 29711, JB/T 9214, GB/T 5616, JB/T 10061, GB/T 23905, JT/T 722, GB/T 13452.2, GB/T 9286, GB/T 5210
Degree of Compaction:
JTG F80/1-2017, JTG F10-2006, JTJ 034-2000, JTG E40-2007, JTG E60-2008
Bearing Capacity (Deflection):
JTG 3450-2019, JTG F80/1-2017, JTG/T J21-2011, JTG E60-2008
Geometric Dimensions and Elevation:
JTG F80/1-2017, JTG F10-2006, JTG F40-2004, CJJ 1-2008
Roughness:
JTG 3450-2019, JTG F80/1-2017, JTG F40-2004, JTG E60-2008, JTG/T E61-2017
Rutting Depth:
JTG 3450-2019, JTG 5210-2018, JTG F80/1-2017, JTG/T E61-2017
Pavement Distress Condition:
JTG 5210-2018, JTG F80/1-2017, JTG/T 5211-2019, JTG/T 5212-2019
Skid Resistance Performance:
JTG 3450-2019, JTG 5210-2018, JTG F80/1-2017, JTG E60-2008, JTG/T E61-2017
Structural Layer Thickness:
JTG F80/1-2017, JTG 3450-2019, JTG E60-2008, JTG/T E61-2017
Cement Concrete Strength:
GB/T 50081-2019, GB 50204-2015, JGJ/T 384-2016, JGJ/T 23-2011, JTG F30-2003, JTG F80/1-2017
Foundation (Natural foundation, improved ground/composite foundation):
GB 50007, GB 50021, JTG 3363, TB 10018, JGJ 340, JTG 3223, DBJ 50/T-136
Foundation Piles (Precast piles, cast-in-place piles):
JGJ 106, JTG/T 3512, GB/T 50081, JGJ 340, JTG 3420, JTG/T 3650, GB 50007, JT/T 738, JGJ/T 403, DBJ 50/T-136, GB 50497
Foundation Pit (Excavation, supporting columns, anchors/cables, soil nails, ground/soil):
GB 50497, JGJ 8, GB 50026, GB 50982, GB 50086, GB 50007, GB 50330, JGJ/T 401, JGJ 120, GB 50739
Cross-Sectional Dimensions:
JTG 3360-2020, JTG F80/1-2017, JTG H12-2015, T/CECSG:J60-2020
Anchor Pull-out Force:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, GB 50086-2015
Lining (Support) Thickness:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, JTG/T 3222-2020, TB 10223-2004, JGJ/T 456-2019, JTG 5220-2020
Density Condition Behind Support (Lining):
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, JTG/T 3222-2020, TB 10223-2004, JGJ/T 456-2019, JTG 5220-2020
Wall Surface Smoothness:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020
Steel Support Spacing:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, TB 10223-2004, JTG/T 3222-2020, TB 10417-2018, JTG 5220-2020
Steel Reinforcement Grid Dimensions: JTG 3360-2020, JTG F80/1-2017, TB 10223-2004, TB 10417-2018
Rebar Spacing in Lining (Main Bar Spacing, Distance Between Two Layers):
JTG 3360-2020, JTG F80/1-2017, JTG/T 3222-2020, T/CECSG:J60-2020, TB 10223-2004
Inverted Arch Thickness:
JTG 3360-2020, JTG F80/1-2017, JTG/T 3222-2020, TB 10223-2004, TB 10013-2010, JTG 5220-2020
Inverted Arch Fill Quality:
JTG 3360-2020, JTG F80/1-2017, JTG/T 3222-2020, TB 10223-2004, CECS 03:2007, TB 10013-2010
Anchor Bolt (Steel Pipe) Length:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, JGJ/T 182-2009, GB 50086-2015
Anchor Bolt (Steel Pipe) Grouting Density:
JTG 3360-2020, JTG F80/1-2017, T/CECSG:J60-2020, JGJ/T 182-2009
Observation Inside and Outside Tunnel:
JTG/T 3660-2020, JTG 3370.1-2018, JTG/T 3374-2020, JTG/T D70-2010, GB 50911-2013, GB 50021-2001, Q/CR 9218-2015
Crown Settlement: JTG/T 3660-2020, JTG/T 3374-2020, GB 50911-2013, DBJ50-107-2010, JGJ 8-2016, GB 50026-2020, Q/CR 9218-2015
Ground Surface Settlement: JTG/T 3660-2020, JTG/T 3374-2020, GB 50911-2013, DBJ50-107-2010, JGJ 8-2016, GB 50026-2020, Q/CR 9218-2015
Geological Observation:
JTG/T 3660-2020, JTG C20-2011, JTG 3370.1-2018, JTG/T D70-2010, JTG/T 3374-2020, GB 50021-2001, TB 10027-2022, TB 10038-2022, GB/T 50218-2014, Q/CR 9217-2015, JTG/T 3222-2020, TB 10013-2010
Forward Geological Conditions:
JTG/T 3660-2020, JTG C20-2011, JTG 3370.1-2018, JTG/T D70-2010, JTG/T 3374-2020, JTG/T 3222-2020, GB 50021-2001, TB 10027-2022, TB 10038-2022, GB/T 50218-2014, Q/CR 9217-2015, TB 10013-2023
Distribution and Nature of Unfavorable Geological Bodies:
JTG/T 3660-2020, JTG C20-2011, JTG 3370.1-2018, JTG/T D70-2010, JTG/T 3374-2020, JTG/T 3222-2020, GB 50021-2001, TB 10027-2022, TB 10038-2022, GB/T 50218-2014, Q/CR 9217-2015, TB 10013-2023
Waterproof Layer Construction Quality (Seam Width, Lap Length, Fastener Spacing, Weld Tightness):
JTG/T 3660-2020, JTG F80/1-2017, JTG/T 3374-2020, T/CECSG:J60-2020
Internal Displacement of Surrounding Rock:
JTG 3360-2020, Q/CR 9218-2015, DBJ50-107-2010, GB 50911-2013
Anchor Bolt Axial Force:
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, GB 50911-2013
Surrounding Rock Pressure and Pressure Between Two Support Layers:
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, GB 50911-2013
Steel Support Internal Force:
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, GB 50911-2013
Internal Stress of Support (Lining):
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, GB 50911-2013
Seepage Water Pressure:
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, GB 50911-2013
Water Flow Rate:
JTG 3360-2020, DBJ50-107-2010, Q/CR 9218-2015, T/CECS 55-2020
Groundwater Level:
JTG 3360-2020, GB 50021-2001(2009), JTG C20-2011, GB 50911-2013, DBJ50-107-2010, JGJ 111-2016, T/CECS 55-2020
Blasting Vibration:
JTG 3360-2020, GB 6722-2014, GB 50911-2013, DBJ50-107-2010, Q/CR 9218-2015
Illuminance:
JTG 3360-2020, JTG/T D70/2-01-2014, JTG 2182-2020, GB/T 18204.1-2013, GB/T 5700-2008
Noise:
JTG/T 3660-2020, GB 3096-2008, JTG 2182-2020, GB/T 18204.1-2013, GB/T 3222.2-2022, HJ 706-2014
Wind Speed:
JTG/T 3660-2020, JTG/T D70/2-02-2014, GB/T 35227-2017, GB/T 18204.1-2013
CO Concentration:
JTG/T 3660-2020, GBZ/T 300.37-2017, GBZ 159-2004, GBZ/T 206-2007, JTG/T D70/2-02-2014, GB/T 18204.2-2014
NO2 Concentration:
JTG/T 3660-2020, GBZ/T 300.40-2017, GBZ 159-2004, JTG/T D70/2-02-2014, GBZ/T 206-2007
CO2 Concentration:
JTG/T 3660-2020, GBZ/T 300.37-2017, GBZ 159-2004, GBZ/T 206-2007, JTG/T D70/2-02-2014, GB/T 18204.2-2014
SO2 Concentration:
JTG/T 3660-2020, GBZ/T 300.49-2017, GBZ 159-2004, GBZ/T 206-2007, JTG/T D70/2-02-2014
O2 Concentration:
JTG/T 3660-2020, GBZ/T 206-2007
NO Concentration:
JTG/T 3660-2020, GBZ/T 300.40-2017, GBZ 159-2004, GBZ/T 206-2007
Methane (Gas) Concentration:
JTG/T 3660-2020, JTG/T 3374-2020, GBZ/T 206-2007, TB 10120-2019
Hydrogen Sulfide Concentration:
JTG/T 3660-2020, GBZ 159-2004, GBZ/T 206-2007
Dust Concentration:
JTG/T 3660-2020, GB/T 35223-2017, JTG/T D70/2-02-2014, GB/T 26944.3-2011
Service Advantages
Our company has been specialized in highway engineering testing for over 20 years.
Holds a Class A highway engineering testing qualification.
Possesses a professional technical team for site laboratories and a rational allocation of human resources.
Has been involved in the construction, management, and operation of multiple site laboratories, providing clients with high-quality one-stop testing services and earning their trust.
Equipped with large-scale professional instruments and equipment, including a 20,000 kN computer-controlled electro-hydraulic servo compression-shear testing machine, a multi-functional road testing vehicle, and bridge inspection vehicles.
Familiar with various highway engineering construction techniques and stakeholder project management, providing quality testing services spanning all stages of the project.
