Witness Sampling and Testing
a. Cement Physical Mechanics
b. Steel raw materials and connection mechanics
Sand, gravel, concrete, mortar
d. Concrete and mortar mix ratios
Concrete admixtures (fly ash, mineral powder, additives, etc.)
Soil engineering, inorganic binders
g. Prestressed steel strand and anchor assembly performance
h. Asphalt and modified asphalt (penetration, softening point, elongation, etc.)
i. Asphalt mixtures (Marshall stability, asphalt content, aggregate gradation, mix ratios, etc.)
j. Subgrade and Pavement (compaction, modulus of elasticity, deflection values, etc.)
Waterproof membrane, waterproof coating
Brick blocks, electrical and water supply materials, stone, and other raw materials
Groundwork Engineering Inspection
High strain, low strain
b. Core drilling method
c. Ultrasonic Transmission Method
d. Single pile vertical static pullout load test
e. Single pile vertical compressive static load test
f. Single pile horizontal static load test
g. Anchor Bolt Pull-Out Test
h. Anchor Bolt Non-Destructive Testing
Excavation Monitoring
j. Foundation Load Test (composite foundation, soil foundation tests, etc.)
Section 3: Building Energy Efficiency Testing
a. Four-characteristics of architectural doors and windows
b. Energy-saving materials (insulating mortar, crack-resistant mortar, bonding mortar, etc.)
c. Adhesive materials (mesh fabric, wire mesh, etc.)
d. Energy-saving On-site Testing: Heat Transfer Coefficient and On-site Air Tightness Testing of Building Doors and Windows
e. Building Facade Insulation System Performance
FourIndoor Environmental Quality Testing
Indoor Air Quality: Radon, Formaldehyde, Ammonia, Benzene, TVOC, Methyl-Benzene, and Dimethyl-Benzene Seven Indicators
V. On-site inspection of the main structure engineering
Concrete, mortar, and masonry on-site inspections
b. Reinforcement Sheath Thickness Inspection
c. Concrete Component Structural Performance Testing
d. Rear embedded component mechanical property testing
Six: Steel Structure Engineering Inspection
Structural Steel Corrosion Protection and Fire Retardant Coating
b. Static and dynamic load tests for steel structures
c. Non-destructive Testing of Steel Structure Weld Joints
d. Steel Structure Connection Performance
e. Structural steel deformation in construction
Section 7: Quality Inspection of Intelligent Building Systems Engineering
Structured Cabling System
b. Intrusion Alarm System
c. Television Monitoring System
d. Building Intercom Electronic Anti-Theft System
Parking (Garage) Management System
f. Power Distribution and Transformation System
g. Background Broadcast and Public Address Systems
h. Public Lighting System
Computer Room System
j. Information Network System Inspection
Section 8: Intelligent Traffic Detection
a. Security Facial Recognition Technology
b. Intelligent Traffic Signal Control System / Road Traffic
Traffic Surveillance System / Road Traffic
d. Red Light Camera Automatic Recording System
e. Intelligent Detection and Recording System for Highway Vehicles
Section 9: Building Facade Engineering Inspection
a. Facade Four Properties
b. Sealant
c. Dry-mounted adhesive
d. Aluminum Extrusions
Aluminum Sheet
Fasteners
g. Assembly Quality and Installation Quality
Tenth: Municipal Bridge Inspection
Regular bridge structural inspections
b. Special Bridge Structure Inspection
c. Bridge Construction and Operational Monitoring
d. Bridge Inspection and Assessment of the Old Hazardous Structure
Eleven: Decorative and Construction Material Testing
Raw material radioactivity, formaldehyde in panels
Outdoor Advertising Facility Inspection
