This specification applies to the construction and acceptance of new overhead power lines of 35kV and below. GB 50173-1992 Electrical installation engineering 35KV and below overhead power line construction and acceptance specification GB50173-92 GB50173-1992 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full Text Information System
National Standard of the People's Republic of China
50173-92
Electrical Installation Engineering
Code for construction and acceptance of 35kVand under over-head power levels electricequipmentinstallationengineeringConstruction Standards
1992-12-—16
1993—07—01
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering Construction Standards Full Text Information System
Jointly Issued
Engineering Construction Standards Full Text Information System
National Standards of the People's Republic of China
Electrical Equipment Installation Engineering
35KV and below Overhead Power Line Construction
and Acceptance Specifications
50173-92||tt| |Editor Department: Ministry of Energy of the People's Republic of China Approval Department: Ministry of Construction of the People's Republic of China Effective Date: July 1, 1993
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Notice on the Release of the National Standard "Construction and Acceptance Specifications for Overhead Power Lines of 35kV and Below for Electrical Installation Engineering"
Construction Standard [1992] No. 912
According to the requirements of the State Planning Commission's Document No. [1986] 2630, the "Construction and Acceptance Specifications for Overhead Power Lines of 35kV and Below for Electrical Installation Engineering" jointly revised by the Ministry of Energy and relevant departments has been reviewed by relevant departments. The "Construction and Acceptance Specifications for Overhead Power Lines of 35kV and Below for Electrical Installation Engineering" GB50173-92 is now approved as a mandatory national standard and will be implemented from July 1, 1993. The 12th chapter "10kV and below overhead power distribution lines" of the original "Electrical Installation Engineering Construction and Acceptance Code" GBJ232-82 is abolished at the same time. This standard is managed by the Ministry of Energy, and the specific interpretation and other work is the responsibility of the Ministry of Energy's Electric Power Construction Research Institute. The publication and distribution is organized by the Ministry of Construction's Standards and Quotas Research Institute. Ministry of Construction of the People's Republic of China
December 16, 1992
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Revision Notes
This specification is edited by the former Ministry of Water Resources and Electric Power in accordance with the requirements of the State Planning Commission's Document No. [1986] 2630, and is specifically compiled by the Ministry of Energy's Electric Power Construction Research Institute and Beijing Power Supply Bureau in conjunction with relevant units. During the revision process, the specification writing group conducted extensive investigations and studies, carefully summarized the experience since the implementation of the original specification, absorbed some scientific research results, and widely solicited opinions from relevant units across the country. Finally, our ministry and relevant departments reviewed and finalized it. This specification consists of ten chapters and one appendix. This revision is to revise the twelfth chapter "10kV and below overhead power distribution lines" in the original "Electrical Installation Engineering Construction and Acceptance Specification" (GBJ232-82). During the revision, the relevant contents of 35kV overhead power lines were included in this specification upon the proposal of our department and with the consent of the Ministry of Construction, and renamed as "Electrical Installation Engineering 35kV and below Overhead Power Line Construction and Acceptance Specification".
During the implementation of this specification, if it is found that it needs to be modified and supplemented, please send your opinions and relevant materials to the Electric Power Construction Research Institute of the Ministry of Energy (Beijing Liangxiang, Postal Code: 102401) for reference in future revisions. Ministry of Energy
March 1991
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Appendix 1
Inspection of Raw Materials and Equipment
Electric Pole Foundation Pit and Foundation Burial
Electric Pole Assembly and Insulator Installation
Wire Pulling Installation ·
Erection of conductors
Electrical equipment connection lines on overhead power lines of 10kV and below
Grounding engineering
Project handover and acceptance
Terms used in this specification
Additional explanation
Engineering construction standard full text information system
Engineering construction standard full text information system
Chapter 1 General
Article 1.0.1
This specification is formulated to ensure the construction quality of overhead power lines of 35kV and below, promote the improvement of engineering construction technology level, and ensure the safe operation of power lines.
Article 1.0.2 This specification applies to the construction and acceptance of new overhead power line projects of 35kV and below.
The construction and acceptance of the large span and tower installation projects of overhead power lines of 35kV and below shall be carried out in accordance with the relevant provisions of the current national standard "110~500kV Overhead Power Line Construction and Acceptance Specifications".
35kV and below overhead power line installation projects with special requirements shall also comply with the provisions of relevant professional specifications.
Article 1.0.3 The installation of overhead power lines shall be carried out in accordance with the approved design.
Article 1.0.4 The equipment, instruments and materials used shall comply with the provisions of the current national technical standards and shall have qualified certificates. The equipment shall have a nameplate. When new raw materials and instruments without formal standards are used, they shall be technically appraised or tested before installation and can only be used after proving that the quality is qualified. Article 1.0.5 When new technologies and new processes are used, quality standards or process requirements that are not lower than the level of this specification shall be formulated.
Article 1.0.6 The construction and acceptance of overhead power lines, in addition to being implemented in accordance with this specification, shall also comply with the provisions of the relevant national standards and specifications in force. Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter II Inspection of Raw Materials and Equipment
Article 2.0.1 Raw materials and equipment used in overhead power line projects shall be re-inspected if they have any of the following conditions: 1. Exceeding the prescribed storage period.
2. Possible deterioration and damage due to poor storage, transportation, etc. 3. Suspicion about the original test results or insufficient representativeness of the sample. Article 2.0.2 The wire used in overhead power lines shall be inspected for appearance before erection and shall comply with the following provisions:
1. There shall be no defects such as loose strands, crosses, folds, breaks and damage. 2. There shall be no serious corrosion.
3. The zinc coating on the surface of steel strands and galvanized iron wires shall be good and free of rust. 4. The surface of the insulated wire should be flat, smooth, and uniform in color, and the thickness of the insulation layer should meet the requirements. The insulation layer of the insulated wire should be tightly extruded and easy to peel off, and the ends of the insulated wire should be sealed.
Article 2.0.3 Wires used for special purposes should not only meet the requirements of Article 2.0.2 of this specification, but also meet the special requirements of the design. Article 2.0.4 Accessories and fasteners made of ferrous metal, except for anchor bolts, should be hot-dip galvanized products.
Article 2.0.5 Various connecting bolts should have anti-loosening devices. The elastic force of the anti-loosening device should be appropriate and the thickness should meet the requirements.
Article 2.0.6 There should be no cracks, sand holes, zinc peeling and rust on the surface of metal accessories and bolts.
The screw and nut should fit well. The tolerance of the oversized internal thread and the coated external thread should meet the coarse thread grade 3 standard of the current national standard "Tolerance of ordinary thread diameter 1 to 300mm".
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Article 2.0.7 The assembly and coordination of hardware should be good, and an appearance inspection should be carried out before installation, and the following provisions should be met:
1. The surface is smooth, without defects such as cracks, burrs, flash, sand holes, bubbles, etc. 2. The wire clamp rotates flexibly, and the contact surface with the conductor meets the requirements. 3. The galvanizing is good, without zinc peeling and rust. Article 2.0.8 The appearance inspection of insulators and porcelain cross-arm insulators should be carried out before installation, and the following provisions should be met:
1. The combination of porcelain and iron parts is not skewed, and the combination is tight, and the iron parts are well galvanized.
2. The porcelain glaze is smooth, without defects such as cracks, glaze missing, spots, burn marks, bubbles or porcelain glaze burnt.
3. The elasticity of the spring pin and spring washer is appropriate. Article 2.0.Article 9 The manufacturing quality of the circular reinforced concrete pole shall comply with the provisions of the current national standard "Circular Reinforced Concrete Pole". An appearance inspection shall be carried out before installation, and the following provisions shall be met:
1. The surface is smooth and flat, the wall thickness is uniform, and there is no exposed reinforcement, slurry leakage, etc. 2. When placed on the ground for inspection, there should be no longitudinal cracks, and the width of the transverse cracks should not exceed 0.1mm.
3. The bending of the pole body should not exceed 1/1000 of the pole length. Article 2.0.10 The manufacturing quality of prestressed concrete poles shall comply with the provisions of the current national standard "Circular Prestressed Concrete Pole". An appearance inspection shall be carried out before installation, and the following provisions shall be met:
1. The surface is smooth and flat, the wall thickness is uniform, and there is no exposed reinforcement, slurry leakage, etc. 2. There should be no longitudinal and transverse cracks.
3. The bending of the pole body should not exceed 1/1000 of the pole length. Article 2.0.11 The manufacturing quality of precast concrete components shall meet the design requirements. The surface should not have defects such as honeycombs, exposed steel bars, and longitudinal cracks. Article 2.0.12 The strength of the chassis, chuck, and cable drum made of rock should meet the design requirements. The integrity of the rock structure should not be damaged during installation. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 3 Pole Foundation Pit and Foundation Design
Article 3.0.1 The positioning before the foundation pit construction shall comply with the following provisions: 1. The displacement of the straight pole along the line direction, 35kV overhead power lines should not exceed 1% of the design span; 10kV and below overhead power lines should not exceed 3% of the design span. The displacement of the straight pole in the horizontal line direction should not exceed 50mm. 2. The displacement of the corner pole and branch pole in the horizontal line and along the line direction should not exceed 50mm.
Article 3.0.2 The depth of the pole foundation pit should meet the design requirements. The allowable deviation of the depth of the pole foundation pit should be +100mm and -50mm. The same foundation pit should be leveled according to the deepest pit within the allowable deviation range.
The depth of the rock foundation pit should not be less than the value specified in the design. Article 3.0.3 The double-pole foundation pit should meet the following requirements: 1. The center deviation of the root opening should not exceed ±30mm. 2. The depth of the two-pole pits should be consistent.
Article 3.0.4 When a chassis is used at the bottom of the pole foundation pit, the circular groove surface of the chassis should be perpendicular to the center line of the pole, and the soil should be filled and compacted to the surface of the chassis after alignment. The allowable deviation of the chassis installation should be such that the pole should meet the allowable deviation requirements of the pole after assembly. Article 3.0.5 When a chuck is used for the pole foundation, the following requirements should be met: 1. The lower soil should be backfilled and compacted in layers before installation. 2. The installation position, direction and depth should meet the design requirements. The allowable depth deviation is ±50mm. When there is no design requirement, the upper plane should not be less than 500mm from the ground.
3. The connection with the pole should be tight.
Article 3.0.6 The backfill soil of the foundation pit shall comply with the following provisions: 1. The soil blocks shall be broken.
Engineering Construction Standard Information System
Engineering Construction Standard Information System
35kV overhead power line foundation pit shall be compacted once for every 300mm backfill, and 10kV and below overhead power line foundation pit shall be compacted once for every 500mm backfill. 3. For foundation pits with soft soil, the number of compaction times shall be increased or reinforcement measures shall be taken when backfilling the soil.
4. After backfilling the foundation pit of the electric pole, an anti-sinking soil layer should be set. The upper area of ​​the soil layer should not be less than the pit mouth area, and the height of the soil should be 300mm above the ground. 5. When a landslide is left by using a pole holding pole, the backfill soil of the landslide (horse path) shall be compacted and an anti-sinking soil layer shall be left.
Article 3.0.7 Cast-in-place foundations and rock foundations shall be implemented in accordance with the relevant provisions of the current national standard "110~500kV Overhead Power Line Construction and Acceptance Specifications". Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 4
Electric Pole Assembly and Insulator Installation
Article 4.0.1 The top of the pole should be well sealed. When there is no design requirement, the lower end may not be sealed.
Article 4.0.2 Reinforced concrete poles connected by steel rings should be arc welded and should comply with the following provisions:
1. It should be operated by welders who have received professional welding training and passed the examination. After the welded pole passes the self-inspection, the welder's code is stamped on the upper steel ring. 2. Before welding, grease, rust, dirt and other substances on the weld of the steel ring should be cleaned.
3. The steel ring should be aligned and aligned, leaving a 2-5mm weld gap in the middle. When the steel ring is eccentric, the misalignment should not be greater than 2mm. 4. The weld should be spot welded at 3-4 locations first, and then symmetrically cross welded. The brand of welding rod used for spot welding should be the same as the brand of welding rod used for formal welding. 5. When the thickness of the steel ring is greater than 6mm, V-groove multi-layer welding should be adopted. The joints of the multi-layer weld should be staggered, and the molten pool should be filled when closing. It is strictly forbidden to fill the weld with welding rods or other metals.
6. The weld should have a certain reinforcement surface, and its height and covering width should comply with the provisions of Table 4.0.2 (see Figure 4.0.2).
Weld reinforcement surface size (mm)
Height.
Width.
Engineering Construction 6 Standard Information System
Thickness of steel ring s (mm)
Engineering Construction Standard Information SystembZxz.net
Figure 4.0.2 Weld reinforcement surface size
VII. The weld surface should be smooth and fine-scale, and smoothly connected to the base metal, without wrinkles, discontinuities, leaks, and incomplete grooves, and there should be no cracks. The base metal undercut depth should not be greater than 0.5mm, and should not exceed 10% of the circumference. VIII. Proper measures should be taken for welding in rainy, snowy, and windy weather. There should be no through wind in the pole during welding. When the temperature is below -20℃, preheating measures should be taken, and the preheating temperature is 100~120℃. The temperature should be slowly lowered after welding. It is strictly forbidden to use water to cool down.
IX. The curvature of the entire pole after welding should not exceed 2/1000 of the total length of the pole. If it exceeds, it should be cut off and re-welded.
10. When gas welding is used, the following provisions shall be met: 1. The width of the steel ring shall not be less than 140mm.
2. The heating time should be short, and necessary cooling measures should be taken. After welding, if a longitudinal crack with a width greater than 0.05mm is produced in the cement near the bonding point between the steel ring and cement, it should be repaired.
3. The acetylene gas produced by calcium carbide should be filtered. Article 4.0.3 After welding the steel ring of the pole, the surface rust, welding slag and oxide layer of the weld should be removed and anti-corrosion treatment should be carried out. Article 4.0.4 After a single pole is erected, it should be upright, and the position deviation should comply with the following provisions:
1. The lateral displacement of the straight pole should not be greater than 50mm. 2. The inclination of the straight pole should not be greater than 3% of the pole length for 35kV overhead power lines, and the displacement of the pole tip of 10kV and below overhead power lines should not be greater than the pole tip diameter Engineering Construction Standard Full Text Information SystemArticle 4 When a chassis is used at the bottom of the pole foundation pit, the circular groove surface of the chassis should be perpendicular to the center line of the pole, and the soil should be filled and compacted to the surface of the chassis after alignment. The allowable deviation of the chassis installation should be such that the pole meets the allowable deviation regulations after assembly. Article 3.0.5 When a chuck is used for the pole foundation, the following regulations shall be met: 1. The lower soil shall be backfilled and compacted in layers before installation. 2. The installation position, direction and depth shall meet the design requirements. The allowable deviation of the depth is ±50mm. When there is no design requirement, the upper plane shall not be less than 500mm from the ground.
3. The connection with the pole should be tight.
Article 3.0.6 The backfill soil of the foundation pit shall meet the following regulations: 1. The soil blocks shall be broken.
Engineering Construction Standard Information System
Engineering Construction Standard Information System
35kV overhead power line foundation pit should be compacted once every 300mm backfill, and 10kV and below overhead power line foundation pit should be compacted once every 500mm backfill. 3. For foundation pits with soft soil, the number of compaction times should be increased or reinforcement measures should be taken when backfilling.
4. After backfilling, an anti-sinking soil layer should be set up for the electric pole foundation pit. The upper area of ​​the soil layer should not be less than the pit mouth area, and the height of the soil should be 300mm above the ground. 5. When a landslide is left by using a pole holding pole, the backfill soil of the landslide (horse path) should be compacted and an anti-sinking soil layer should be left.
Article 3.0.7 Cast-in-place foundation and rock foundation should be implemented in accordance with the relevant provisions of the current national standard "110~500kV Overhead Power Line Construction and Acceptance Specifications". Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 4
Electric Pole Assembly and Insulator Installation
Article 4.0.1 The top of the pole should be well sealed. When there is no design requirement, the lower end may not be sealed.
Article 4.0.2 Reinforced concrete poles connected by steel rings should be arc welded and should comply with the following provisions:
1. They should be operated by welders who have received professional welding training and passed the examination. After the welded pole passes the self-inspection, the welder's code is stamped on the upper steel ring. 2. Before welding, grease, rust, dirt and other substances on the weld of the steel ring should be cleaned.
3. The steel ring should be aligned and aligned, leaving a weld gap of 2 to 5 mm in the middle. When the steel ring is eccentric, the misalignment should not be greater than 2 mm. 4. The weld should be spot welded at 3 to 4 places first, and then symmetrically cross welded. The brand of welding rod used for spot welding should be the same as that used for formal welding. 5. When the thickness of the steel ring is greater than 6mm, V-groove multi-layer welding should be adopted. The joints of multi-layer welds should be staggered, and the molten pool should be filled when closing. It is strictly forbidden to fill welding rods or other metals in the weld.
6. The weld should have a certain reinforcement surface, and its height and covering width should comply with the provisions of Table 4.0.2 (see Figure 4.0.2).
Weld reinforcement surface size (mm)
Height.
Width.
Engineering Construction 6 Standard Information System
Thickness of steel ring s (mm)
Engineering Construction Standard Information System
Figure 4.0.2 Weld reinforcement surface size
VII. The weld surface should be smooth and fine-scale, and smoothly connected to the base metal, without wrinkles, discontinuities, leaks, and incomplete grooves, and there should be no cracks. The base metal undercut depth should not be greater than 0.5mm, and should not exceed 10% of the circumference. VIII. Proper measures should be taken for welding in rainy, snowy, and windy weather. There should be no through wind in the pole during welding. When the temperature is below -20℃, preheating measures should be taken, and the preheating temperature is 100~120℃. The temperature should be slowly lowered after welding. It is strictly forbidden to use water to cool down.
IX. The curvature of the entire pole after welding should not exceed 2/1000 of the total length of the pole. If it exceeds, it should be cut off and re-welded.
10. When gas welding is used, the following provisions shall be met: 1. The width of the steel ring shall not be less than 140mm.
2. The heating time should be short, and necessary cooling measures should be taken. After welding, if a longitudinal crack with a width greater than 0.05mm is produced in the cement near the bonding point between the steel ring and cement, it should be repaired.
3. The acetylene gas produced by calcium carbide should be filtered. Article 4.0.3 After welding the steel ring of the pole, the surface rust, welding slag and oxide layer of the weld should be removed and anti-corrosion treatment should be carried out. Article 4.0.4 After a single pole is erected, it should be upright, and the position deviation should comply with the following provisions:
1. The lateral displacement of the straight pole should not be greater than 50mm. 2. The inclination of the straight pole should not be greater than 3% of the pole length for 35kV overhead power lines, and the displacement of the pole tip of 10kV and below overhead power lines should not be greater than the pole tip diameter Engineering Construction Standard Full Text Information SystemArticle 4 When a chassis is used at the bottom of the pole foundation pit, the circular groove surface of the chassis should be perpendicular to the center line of the pole, and the soil should be filled and compacted to the surface of the chassis after alignment. The allowable deviation of the chassis installation should be such that the pole meets the allowable deviation regulations after assembly. Article 3.0.5 When a chuck is used for the pole foundation, the following regulations shall be met: 1. The lower soil shall be backfilled and compacted in layers before installation. 2. The installation position, direction and depth shall meet the design requirements. The allowable deviation of the depth is ±50mm. When there is no design requirement, the upper plane shall not be less than 500mm from the ground.
3. The connection with the pole should be tight.
Article 3.0.6 The backfill soil of the foundation pit shall meet the following regulations: 1. The soil blocks shall be broken.
Engineering Construction Standard Information System
Engineering Construction Standard Information System
35kV overhead power line foundation pit should be compacted once every 300mm backfill, and 10kV and below overhead power line foundation pit should be compacted once every 500mm backfill. 3. For foundation pits with soft soil, the number of compaction times should be increased or reinforcement measures should be taken when backfilling.
4. After backfilling, an anti-sinking soil layer should be set up for the electric pole foundation pit. The upper area of ​​the soil layer should not be less than the pit mouth area, and the height of the soil should be 300mm above the ground. 5. When a landslide is left by using a pole holding pole, the backfill soil of the landslide (horse path) should be compacted and an anti-sinking soil layer should be left.
Article 3.0.7 Cast-in-place foundation and rock foundation should be implemented in accordance with the relevant provisions of the current national standard "110~500kV Overhead Power Line Construction and Acceptance Specifications". Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 4
Electric Pole Assembly and Insulator Installation
Article 4.0.1 The top of the pole should be well sealed. When there is no design requirement, the lower end may not be sealed.
Article 4.0.2 Reinforced concrete poles connected by steel rings should be arc welded and should comply with the following provisions:
1. They should be operated by welders who have received professional welding training and passed the examination. After the welded pole passes the self-inspection, the welder's code is stamped on the upper steel ring. 2. Before welding, grease, rust, dirt and other substances on the weld of the steel ring should be cleaned.
3. The steel ring should be aligned and aligned, leaving a weld gap of 2 to 5 mm in the middle. When the steel ring is eccentric, the misalignment should not be greater than 2 mm. 4. The weld should be spot welded at 3 to 4 places first, and then symmetrically cross welded. The brand of welding rod used for spot welding should be the same as that used for formal welding. 5. When the thickness of the steel ring is greater than 6mm, V-groove multi-layer welding should be adopted. The joints of multi-layer welds should be staggered, and the molten pool should be filled when closing. It is strictly forbidden to fill welding rods or other metals in the weld.
6. The weld should have a certain reinforcement surface, and its height and covering width should comply with the provisions of Table 4.0.2 (see Figure 4.0.2).
Weld reinforcement surface size (mm)
Height.
Width.
Engineering Construction 6 Standard Information System
Thickness of steel ring s (mm)
Engineering Construction Standard Information System
Figure 4.0.2 Weld reinforcement surface size
VII. The weld surface should be smooth and fine-scale, and smoothly connected to the base metal, without wrinkles, discontinuities, leaks, and incomplete grooves, and there should be no cracks. The base metal undercut depth should not be greater than 0.5mm, and should not exceed 10% of the circumference. VIII. Proper measures should be taken for welding in rainy, snowy, and windy weather. There should be no through wind in the pole during welding. When the temperature is below -20℃, preheating measures should be taken, and the preheating temperature is 100~120℃. The temperature should be slowly lowered after welding. It is strictly forbidden to use water to cool down.
IX. The curvature of the entire pole after welding should not exceed 2/1000 of the total length of the pole. If it exceeds, it should be cut off and re-welded.
10. When gas welding is used, the following provisions shall be met: 1. The width of the steel ring shall not be less than 140mm.
2. The heating time should be short, and necessary cooling measures should be taken. After welding, if a longitudinal crack with a width greater than 0.05mm is produced in the cement near the bonding point between the steel ring and cement, it should be repaired.
3. The acetylene gas produced by calcium carbide should be filtered. Article 4.0.3 After welding the steel ring of the pole, the surface rust, welding slag and oxide layer of the weld should be removed and anti-corrosion treatment should be carried out. Article 4.0.4 After a single pole is erected, it should be upright, and the position deviation should comply with the following provisions:
1. The lateral displacement of the straight pole should not be greater than 50mm. 2. The inclination of the straight pole should not be greater than 3% of the pole length for 35kV overhead power lines, and the displacement of the pole tip of 10kV and below overhead power lines should not be greater than the pole tip diameter Engineering Construction Standard Full Text Information System4. After the single poles are erected, they should be straight, and the position deviation should meet the following requirements:
1. The lateral displacement of the straight pole should not exceed 50mm. 2. The inclination of the straight pole should not exceed 3% of the pole length for 35kV overhead power lines, and the displacement of the pole tip of 10kV and below overhead power lines should not exceed the pole tip diameter Engineering Construction Standard Full Text Information System4. After the single poles are erected, they should be straight, and the position deviation should meet the following requirements:
1. The lateral displacement of the straight pole should not exceed 50mm. 2. The inclination of the straight pole should not exceed 3% of the pole length for 35kV overhead power lines, and the displacement of the pole tip of 10kV and below overhead power lines should not exceed the pole tip diameter Engineering Construction Standard Full Text Information System
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