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Cause Analysis of Longitudinal Cracks on Microalloyed Steel Hexagonal Head Bo...

Microalloyed steel hexagonal head bolts are widely used in automotive equipment, mechanical engineering and structural connection fields due to their fine grain structure, stable strength-toughness ma

Brief Technical Discussion on Test Methods for Hot-Rolled Ribbed Reinforcing ...

Hot-rolled ribbed reinforcing bar is the primary load-bearing steel material for reinforced concrete structures, widely adopted in building structures, bridge engineering, municipal infrastructure and

Test Method for Vertical Compressive Static Load Test of Single CFG Pile

CFG pile (Cement-Fly ash-Gravel pile) is a typical rigid composite foundation reinforcement body, widely applied in high-rise building foundations, municipal road subgrades, industrial plant foundatio

Why Multiple Adhesion Test Methods Are Required: A Technical Interpretation o...

Coating adhesion is the core index to evaluate the bonding performance between protective coating and substrate, which determines the anti-peeling durability, corrosion resistance and long-term servic

Stationary Pressure Vessels: From Comprehensive Periodic Inspection to Full L...

Stationary pressure vessels are core special pressure-bearing equipment widely used in chemical engineering, petrochemical, energy, pharmaceutical and industrial production fields. With high internal

Difference Between Steel Structure Weld Quality Grade and Ultrasonic Testing ...

In steel structure fabrication, bridge engineering, and industrial steel frame construction, weld quality grading and ultrasonic testing (UT) grading are two core technical indicators for weld accepta

Batch Division Rules for On-Site Inspection, Structural Entity Testing and St...

Concrete structure inspection and appraisal are core links in construction acceptance, existing building renovation, structural safety assessment and quality dispute verification. On-site routine insp

Defect Distribution and Evaluation Methods of Welded Steel Pipes

Welded steel pipes are widely used in structural engineering, municipal water supply and drainage, fire protection pipelines, petrochemical transmission and steel frame supporting systems. During stee

The Logical Relationship and Engineering Application of Structural Inspection...

In the safety management, renovation and reinforcement, load modification, dangerous building investigation, and renewal of old residential buildings, three core professional terms are widely involved

Existing Building Inspection, Appraisal, Renovation and Reinforcement Technic...

With the continuous extension of building service life, functional upgrading of old urban areas, changes of building use functions, and the influence of natural aging, environmental erosion and struct

Comprehensive Interpretation of Structural Mechanical Properties: Strength, S...

In structural engineering, material testing, steel structure manufacturing and building reinforcement projects, mechanical property parameters are the core basis for judging material quality, structur

Can a Single Pile Perform Both Compression and Uplift Static Load Testing

In foundation engineering design, some pile foundations need to bear both vertical compressive load and occasional uplift load caused by wind pressure, seismic force, buoyancy and structural overturni