GB 4623-2014 English PDFUS$248.00 · In stock
Delivery: <= 1 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 4623-2014: [GB/T 4623-2014] Circular concrete pole Status: Valid GB 4623: Historical versions
Basic dataStandard ID: GB 4623-2014 (GB4623-2014)Description (Translated English): [GB/T 4623-2014] Circular concrete pole Sector / Industry: National Standard Classification of Chinese Standard: Q14 Classification of International Standard: 91.100.30 Word Count Estimation: 30,383 Date of Issue: 12/5/2014 Date of Implementation: 12/1/2015 Older Standard (superseded by this standard): GB/T 4623-2006 Quoted Standard: GB 175; GB/T 700; GB 748; GB 1499.1; GB 1499.2; GB/T 5223; GB/T 5224; GB 8076; GB/T 14684; GB 50010; GB/T 50081; GB/T 10107; GB 50164; GB 50204; GB 50205; JC/T 540; JGJ 18; JGJ 63; GB/T 14685 Regulation (derived from): Announcement of Newly Approved National Standards 2014 No. 27 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This Standard specifies the terms and definitions annular concrete pole, classification, raw materials and construction, technical requirements, test methods, inspection rules, marking, storage and transportation, product certification and other content. GB 4623-2014: [GB/T 4623-2014] Circular concrete pole---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Circular concrete pole ICS 91.100.30 Q14 National Standards of People's Republic of China Replacing GB/T 4623-2006 Annular concrete pole Issued on. 2014-12-05 2015-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsPreface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Category 2 Raw materials and construction 5 9 6 Technical Requirements 11 7 Test Method 14 15 8 Inspection Rules 9 mark 17 10 Storage and transport 18 18 11 Product certification Appendix A (informative) taper rod main rod section schematic 20 series Appendix B (normative) Mechanical tests 21 polesForewordThe standard 6.4, Article 6.5.1, Article 6.5.2, Article 6.5.3, Article 6.5.5 are mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 4623-2006 "endless concrete poles." This standard and GB/T 4623-2006 The main differences are as follows. --- By the recommended standards to mandatory standards; --- Adjust some normative references (see Chapter 2, Section 2 of the 2006 edition); --- Modify the specifications pole series (see Table 1, Table 2, Table 3, Table 4, Table 5, Table 6, 2006 edition of the Table 1, Table 2, Table 3, Table 4, table 5); --- Modify some of the raw materials and construction requirements (see Chapter 5, 2006 edition of Chapter 5); --- Increase concrete quality control requirements (see 6.1.3); --- Increased when pole factory, concrete compressive strength requirements (see 6.1.4); --- Modify the steel ring (or flange) in conjunction with the shaft surface and the plasma leakage to a predetermined longitudinal length of the ring (see table 7, 2006 edition Table 6); --- Increase in cracking test moment, the rod is longer than 15m or less 18m taper rod deflection requirements (see 6.5); --- Increased taper rod rod segment series main schematic (see Appendix A). The standard proposed by China Building Materials Federation. This standard by the National Standardization Technical Committee cement products (SAC/TC197) centralized. This standard is drafted by. Suzhou Institute of concrete products Cement Co., Ltd. Xuzhou three yuan tower. Participated in the drafting of this Standard. China Electric Power Research Institute, China Academy of Railway Sciences, the National Concrete Products Quality Supervision, Inspection Center, Shandong Electric Power Engineering Company pipeline, Yichang Changyao Cement Products Co., Ltd., Hunan Electric Power Line Equipment Factory, Weifang Wei Ling Cement works, Zhejiang Yongda Electric Power Industrial Co., Ltd. Feicheng Lu Tai, Wuxi China Resources Co., Shandong can lever Tower Co., Ltd., North Seiichi Concrete Products Co., Ltd., Shanghai Electric Power Line Equipment Co., Ltd., Jiangsu Jinqiao Building Materials Co., Beipiao Power poles Manufacturing Co., Ltd. Hubei SOUTH pipeline, China Energy Construction Group Shaanxi Galaxy power lines Equipment Co. Secretary, cement Tangshan Co., Ltd., Zhejiang Feijian Power Equipment Co., Ltd. Henan full tower, Guizhou Long energized Power lines Equipment Co., Ltd., Jiangxi Huadian Power Equipment Co., Ltd., Jilin Electric Power Pipeline Engineering Corporation, Jiangsu Building Materials Group Co., Dai Park The company, Changzhou Teng far poles Co., Ltd. Changzhou City, the United States and China poles, towers silver sea Hefei Ltd., Fuyang City Zhicheng cement products Ltd., Chongqing City, Sichuan able Cement Co., Ltd., Long Qing Fogang Power Equipment Co., Ltd. Gaoyou Fergus poles, Linyi Winton poles, Ltd., Chongqing Peng Sheng Cement Co., Ltd., Hengshui Yongfeng Cement Products Co., Ltd., Suzhou City Star Fire cement electric pole, Universal Power poles Tangyin limited liability company, Dangtu County Li Heng Metal Products Joint-Stock Company, Dalian Hongrui electricity Equipment Manufacturing Co., Ltd., Taizhou, the constant building materials machinery limited liability company. Drafters of this standard. Shen Lihua, a single-Granville, Jeffrey Li, Wei Qiwei, Tian Hua, the official Qingxiang, Wu Chi ball, Li Changchun, star, Zhang Haiqing, Chen Weiguo, Guozhi Tao, Tong Yong, Zhang Gangjiang, Zhumao Hui, Chen Jianguang, Li Huaizhong, new Huai, Gao Ying, Wang Chunrong. The standard standard replaces the previous editions. --- GB 396-1984, GB 396-1994; --- GB 4623-1984, GB 4623-1994, GB/T 4623-2006. Annular concrete pole1 ScopeThis standard specifies the terms and definitions annular concrete pole, classification, raw materials and construction, technical requirements, test methods, inspection rules, Labeling, storage and transportation, product certification and so on. This standard applies to other components (not including pole power poles, communication poles, lighting pillars, columns and other signal, such as cross arm, card Plate, chassis and other accessories).2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 175 Common Portland Cement GB/T 700 carbon structural steel GB 748 sulfate resisting portland cement GB 1499.1 steel reinforced concrete - Part 1. Hot rolled steel GB 1499.2 steel reinforced concrete - Part 2. Hot rolled ribbed bars GB/T 5223 prestressed concrete steel wire GB/T 5224 prestressed concrete strand GB 8076 concrete admixture GB/T 14684 construction sand GB/T 14685 construction with gravel, crushed stone GB 50010 Design of Concrete Structures GB/T 50081 mechanical properties of ordinary concrete test method standards GB/T 50107 Concrete Strength Inspection and Evaluation Standards GB 50164 concrete quality control standards GB 50204 Construction Quality Acceptance of Concrete Structure Engineering Steel Engineering Construction Quality Acceptance GB 50205 JC/T 540 concrete products cold drawn low carbon steel wire JGJ18 and acceptance of welded steel JGJ63 concrete water standards3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 Reinforced concrete pole reinforcedconcretepole Longitudinal reinforcement in reinforced concrete poles of. 3.2 Prestressed concrete pole prestressedconcretepole Longitudinal reinforcement prestressed reinforced concrete pole, cracking test coefficient allowable value [γcr] = 1.0. 3.3 Partially prestressed concrete pole partialyprestressedconcretepole Longitudinal reinforcement by the prestressing steel and ordinary steel or a combination of all of prestressed reinforced concrete pole, cracking test system The number of allowed values [γcr] = 0.8. 3.4 Crack crack Pole outer surface extending into the interior of concrete cracks. 3.5 Leakage of plasma leakage The outer surface of the pole due to the loss of grout exposed aggregate. 3.6 Exposed tendons exposedsteel Pole inside the reinforced concrete encased and is not exposed. It does not include longitudinal prestressing steel head pole ends. 3.7 Slump slump Pole concrete wall to block off. 3.8 Cellular honeycomb The outer surface of the pole due to leakage of plasma or missing mortar and other factors caused a honeycomb hole. 3.9 Pock pittedsurface The outer surface of the pole rendered dense micropores. 3.10 Sticky skin peeling Pole outer surface of the slurry layer after being glued to the mold leaving a rough surface. 3.11 Moire plasticcrack Pole outer faces exhibited no obvious neat edge and depth of Turtle-shaped lines. 3.12 Watermark watergraining Showing a fine, after the evaporation of water lines disappear when pole outer surface moist. Category 4 4.1 product according to shape into a tapered rod (codenamed Z) and equal-diameter rod (codenamed D) are two, shown in Figure 1; product in different ways into steel reinforcement Reinforced concrete pole (code G), prestressed concrete pole (code-named Y) and partially prestressed concrete pole (codenamed BY) three. Tapered rod and the rod diameter and so are the whole assembly of rods and bars. The main mast section tapered rod series Refer to Appendix A. a) Normal taper rod b) Flanged tapered rod c) equal diameter rod Explanation. L --- lever length; D --- root diameter (or diameter); L1 --- load point height; d --- tip diameter; L2 --- support point height; δ --- wall thickness. L3 --- tip to load point distance; 1 taper rod and the rod diameter, etc. schematic 4.2 pole tip diameter (or diameter), length, load cracking test cracking test moment, Bearing Test moment (moment of cracking Bearing Test 2 times the test moments) shown in Table 1, Table 2, Table 3, Table 4, Table 5 and Table 6. ≥12m poles rod length can be segmented production. By supply and demand double Party Agreement, also produce other specifications and cracking test moments pole. 4.3 Products by shape code, pole tip diameter (or diameter), long pole, cracking test moments (or load cracking test code), code and standard varieties Registration number sequence tags. Note 1. The tip diameter (or diameter) units of mm; stem length unit m; cracking unit test load kN; Cracking moment test units kN · m. Note 2. The cracking test taper rod support means Moment cracking test section at the moment point. Example 1. tip diameter of 190mm, rod length 12m, cracking testing moment for the 39kN · m reinforced concrete tapered rod, which are labeled as follows. Z φ190 × 12 × 39 × G GB 4623 Example 2. tip diameter of 190mm, rod length 12m, cracking test load of K-class partially prestressed concrete cone rod, which are labeled as follows. Z φ190 × 12 × K × BY GB 4623 Example 3. diameter of 300mm, rod length is 6m, cracking testing moment for the prestressed concrete 45kN · m-diameter rod or the like, which are labeled as follows. D φ300 × 6 × 45 × Y GB 4623 Table 6 equal diameter rod cracking test a Moment Diameter/mm Length. 3.0m, 4.5m, 6.0m, 9.0m, 12.0m, 15.0m Cracking moment test/(kN · m) 3,002,025,303,540,455,060 350 30 40 5,060,708,090,100,120 400 40 45 5,060,708,090,100,120,140 500,707,580,859,095 100 105 550 90115135155180 Supported by a simple test, the test cracking moment (Mk) that is the maximum bending moment at the section between the two loading points at cracking test loads.5 raw materials and construction5.1 raw materials 5.1.1 Cement We should adopt the intensity level of not less than 42.5 Portland cement, ordinary portland cement, slag Portland cement, sulfate-resisting portland Cement, its performance shall conform to GB 175, GB 748 provisions. 5.1.2 Aggregate Fine aggregate should be used in coarse sand, fineness modulus of 3.2 to 2.3. Coarse aggregate should be used gravel or crushed gravel with a maximum grain size should not be large At 25mm, and rebar spacing should be less than 3/4. Sand, other quality stone shall conform to the provisions of GB/T 14684, GB/T 14685 of. 5.1.3 Water Concrete mixing water should comply with the provisions of JGJ63. 5.1.4 admixtures Quality admixtures shall comply with the provisions of GB 8076, should not use chlorine or other additives salts have a corrosive effect on the steel outer Additives. 5.1.5 Admixture Admixtures should not adversely affect the pole, shall be tested prior to use to verify and comply with relevant standards. 5.1.6 Steel 5.1.6.1 ordinary longitudinal reinforcement Rolled ribbed steel bars should be used, its performance should be consistent with the provisions of GB 1499.2. 5.1.6.2 prestressed longitudinal reinforcement Should adopt low relaxation of prestressed concrete steel wire strand, and its performance shall conform to GB/T 5223 regulations, GB/T 5224's. 5.1.6.3 erect ring ribs Should adopt Hot rolled steel, cold drawn low carbon steel wire, and its performance shall conform to the provisions of GB 1499.1, JC/T 540's. 5.1.6.4 spiral bar Should be used cold drawn low carbon steel wire, its performance should be consistent with the provisions of JC/T 540's. 5.1.6.5 steel ring and flange Steel flange ring and the steel sheet should be used Q235B steel, its performance should be consistent with GB/T 700 provisions. If there are special circumstances, The test can be used to verify other materials, and shall comply with the relevant standards. 5.2 configuration 5.2.1 steel skeleton 5.2.1.1 The amount of longitudinal reinforcement is determined by design calculations. Longitudinal reinforcement should be no less poles along the circumferential uniform configuration, the tapered rod At 6, equal diameter rod not less than 8. When longitudinal reinforcement partially prestressed concrete pole, the configuration For ordinary steel, its roots Number of not less than 6, and should be uniform configuration. Longitudinal reinforcement diameter should not exceed 2/5 of the wall thickness. Face should be smooth, there should be no partial bend Song, there should be no surface oil. After prestressing steel 5.2.1.2 tone down the material, cutting its length relative error should not exceed 1.5 bar length/10000. 5.2.1.3 Heading strength prestressing steel should not be less than 98% of the material standard strength. 5.2.1.4 prestressing steel should not be broken ribs. The degree of tension prestressed reinforcement and stress control methods should be consistent with GB 50010, GB 50204 Provisions. 5.2.1.5 prestressing steel should not have joints; ordinary steel joints allow its joint technical requirements should be consistent JGJ18, GB 50204's Provisions. 5.2.1.6 longitudinal reinforcement spacing should not be less than 30mm, the smallest cone rod head should not be less than 25mm. When the reinforcement is too dense, recoverable Take and tendons furnished and tendons shall comply with the technical requirements of GB 50010. 5.2.1.7 pole over its full length, should be set spiral ribs, spiral bar diameter should adopt 2.5mm ~ 6mm. When the tapered rod Tip diameter greater than or equal to 190mm, less than 230mm, spiral bar diameter of not less than 3mm; or the like when the straight tip diameter of the tapered rod diameter rod When the diameter is greater than or equal to 230mm, spiral bar diameter not less than 4mm. Spiral reinforcement spacing in each of the two ends of not more than 1.5m away 70mm, the rest should not exceed 120mm. Both ends of the spiral reinforcement rod segments should close all wrapped around three laps to 5 laps. 5.2.1.8 In addition to the use of seam welding skeleton, the medial longitudinal force reinforcement should be provided erect ring and hanger bar diameter circle should adopt 5mm ~ 10mm. When the longitudinal reinforcement diameter greater than 18mm, erect steel circle diameter of not less than 8mm. Erect reinforced concrete ring spacing for electricity Bar not more than 500mm; for prestressed partially prestressed concrete pole should not be greater than 1000mm. When seam welding may skeleton It does not erect circle. 5.2.1.9 After forming the skeleton, the size of each part should meet the following requirements. a) longitudinal reinforcement spacing deviation shall not exceed ± 5mm; b) spiral reinforcement spacing deviation shall not exceed ± 10mm; c) erect circle pitch deviation should not exceed ± 20mm, vertical deviation should not exceed 1/40 erect circle diameter. 5.2.2 pole connector and holes for embedded parts 5.2.2.1 pole connector can be used steel rings, flanges, or other form of joint. Steel ring, flange design drawings shall manufacture, its quality should be consistent with the provisions of GB 50205. Flanges should be hot dip galvanized or zinc thermal spraying anti-corrosion treatment. Connection 5.2.2.2 longitudinal reinforcement and connections. the prestressing steel should adopt the method of heading connector, upsetting the first bearing surface should be in the same plane; ordinary steel should be used welding, weld quality should be consistent with the provisions of JGJ18. 5.2.2.3 pole sections joint strength should not be below the carrying capacity of the joint. 5.2.2.4 embedded parts, holes for design drawings and scuppers should be set up and clean up. 5.2.2.5 ground nuts, spikes female, junction boxes and other exposed metal part should be clearly labeled. 5.2.3 longitudinal reinforcement end One or both ends before or after stripping the factory, without steel ring pole (or flange) has been exposed longitudinal reinforcement should be removed first, and take effective measures to deal with corrosion. Steel ring, flange coupling end top longitudinal reinforcement force should also take effective measures to deal with corrosion. 5.2.4 Pole top Products manufactured before the tapered rod tip or equal diameter rod end seal concrete or mortar real application. For special requirements, be dealt with separately. 5.2.5 Other There are special requirements for durability poles, respond to its raw materials, concrete mix, production process parameters to strengthen control, according to the design requirements to take appropriate measures on the concrete protective layer.6 Technical Requirements6.1 compressive strength of concrete 6.1.1 reinforced concrete pole with concrete strength not less than C40; prestressed concrete poles, with partially prestressed concrete pole Concrete strength not less than C50. 6.1.2 Reinforced concrete compressive strength of concrete pole release when not less than 60% of the design value of the concrete strength; prestressed mix Concrete poles, concrete strength values partially prestressed concrete compressive strength of concrete pole release when not less than the design 70%. 6.1.3 quality control of concrete shall comply with the provisions of GB 50164. 6.1.4 pole factory, concrete compressive strength of concrete strength should not be below the value of design. 6.2 appearance quality Appearance quality pole should be in accordance with Table 7. Table 7 Appearance quality requirements No. Project category quality requirements1 a A surface cracksPrestressed concrete pole and partially prestressed concrete pole should not have to ring and longitudinal cracks. Reinforced concrete poles should not have longitudinal cracks, circumferential crack width should not exceed 0.05mm2 plasma leakageMold edge commissure Steel ring (or flange) in conjunction with the shaft surface Commissure should die edge plasma leakage. But as plasma leakage depth of not more than 10mm, the length of each of the plasma leakage is not more than 300mm, a total length of not more than 10% of the rod length, symmetrical plasma leakage lap length of not more than 100mm, allows repair Steel ring (or flange) in conjunction with the shaft surface should not be leaking slurry. But as plasma leakage depth of not more than 10mm, the cumulative length of the ring is not more than 1/4 of the circumference of the longitudinal length of not more than 15mm, allows repair Table 7 (continued) No. Project category quality requirements3 Local bumps BLocal shall bruise. However, if the depth is not more than bumps 10mm, at every area of not more than 50cm2, the allowed repair 4, the outer rib A cheeky allowed A concrete slump 5 inner surface allowed6 A honeycomb allowed7 Ma face, sticky skin B There should Pock or sticky skin. But as ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 4623-2014_English be delivered?Answer: Upon your order, we will start to translate GB 4623-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically in 24 hours. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 4623-2014_English with my colleagues?Answer: Yes. 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