Quality appraisal of concrete telephone poles

Concrete telephone poles are power equipment supports made of concrete, which are durable, anti-corrosion, and weather-resistant. Concrete utility poles are widely used in transmission lines, power facility construction, etc. to improve power transmission efficiency and ensure power supply security.
concrete telephone poles are mainly composed of concrete, steel bars and other materials, and have the characteristics of strong load-bearing capacity and good durability. Concrete utility poles are mainly used in fields or scenarios such as transmission lines, power towers, and substations.
Zhongke Testing and Appraisal Institute can provide concrete telephone pole quality appraisal services and make accurate appraisals in terms of product design analysis, load analysis and product quality analysis.

Concrete poles include ordinary reinforced concrete poles and prestressed concrete poles.
poles have square, octagonal, I-shaped, ring or other special-shaped cross-sections. The most commonly used are circular and square sections.

YD/T 4481-2023 Technical requirements and test methods for anti-corrosion wood poles for communications
NB/T 11311-2023 Structural design regulations for circular section concrete poles
DL/T 1642-2016 Foot buckles for circular concrete poles
LY/T 1294-2012 Direct use of log poles
JC/T 2126.5-2012 Technical specifications for cement products technology Part 5: Ring-shaped concrete pole
GB/T 4623-2014 Ring-shaped concrete pole

An engineering company purchased hundreds of concrete poles from a pole factory for construction projects. The pole factory guaranteed that the quality of the concrete poles it sold met national technical standards. However, during the construction process, the pole broke for unknown reasons, resulting in fatal accidents. The engineering company believed that the utility pole involved had quality defects and sued the local court.
Our company was entrusted by the court to identify the product quality issues of the concrete telephone poles involved in this case.
appraisal analysis results: The
quality analysis expert group discussed and comprehensively technical analyzed the relevant information, on-site investigation and inspection data, and inspection and testing data of the "concrete telephone pole" involved in the case, and made the following quality analysis opinions:
The broken concrete telephone pole involved in the case did not find major defects;
The quality defects of the concrete telephone pole involved in the case are not related to the pole fracture.