Scope
This standard specifies the terms and definitions, classification, raw materials and construction, technical requirements, test methods, inspection rules, marking, storage and transportation, product qualification certificates, and other contents of circular concrete poles This standard applies to power poles, communication poles, lighting poles, signal poles, etc. (excluding other components of poles, such as cross arms, chucks, chassis, and other accessories) The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document GB 175 General Portland Cement
GB/T 700 Carbon Structural Steel
GB 748 Sulfate Resisting Portland Cement
GB 1499.1 Steel for Reinforced Concrete Part 1: Hot Rolled Plain Round Steel
GB 1499.2 Steel for Reinforced Concrete Part 2; Hot rolled ribbed steel bars
GB/T 5223 steel wires for prestressed concrete
GB/T 5224 steel strands for prestressed concrete
GB 8076 concrete admixtures
GB/T 14684 construction sand
GB/T 14685 construction pebbles Crushed Stone
GB 50010 Code for Design of Concrete Structures
GB/T 50081 Standard for Testing Methods of Mechanical Properties of Ordinary Concrete
GB/T 50107 Standard for Inspection and Evaluation of Concrete Strength
GB 50164 Standard for Quality Control of Concrete
GB 50204 Code for Acceptance of Construction Quality of Concrete Structures
GB 50205 Code for Acceptance of Construction Quality of Steel Structures
JC/T540 Cold drawn Low strength Concrete Products Carbon steel wire
JGJ 18 steel bar welding and acceptance regulations
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China