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Jiangsu Nanpai Municipal National Networking Engineering Company: Wenzhou Jinhua Suzhou Taizhou Yangzhou Changzhou Anqing Nanchang Fuzhou Wuhan Xi'an Weinan Taizhou Ningbo Weifang Wuhu Anhui Liaocheng Binzhou Ganzhou Shishi Nanning Shenzhen Guilin Xiamen Chongqing Shaanxi Hainan Hangzhou Guizhou Shaanxi Sichuan Jiujiang Northeast Guangxi Jiangxi Zhejiang Hefei Henan Hubei Hunan Shandong Shanghai Beijing Guangdong Xi'an Nanjing Fujian
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Jiangsu Nanpai Municipal Construction Engineering Co., Ltd
Short tube replacement
NegotiableUpdate on 05/06
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Overview
Short pipe replacement is a non excavation pipeline repair technique that mainly achieves pipeline renewal by crushing old pipelines and replacing them with new sections in their original positions. The following provides a systematic explanation from the aspects of technical principles, construction processes, advantages, and applications
Product Details
Short tube replacementrepairIt is a non excavation pipeline repair technology that involves breaking or expanding old pipelines and installing new pipelines in situ. It is suitable for local or overall repair of urban drainage, water supply and other pipelines, and has the advantages of fast construction, environmental protection, and low cost.
Technical principles and process characteristics
Short tube replacementRepair (also known as pipe cracking method) is guided by the old pipeline, using specialized equipment to crack the original pipeline, while pulling or pushing the new pipeline (such as HDPE pipe, PE pipe, etc.) into the original pipe position to form a structurally stable new pipeline. Its core features include:
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Non excavation construction
No need for extensive road breaking, reducing interference with traffic and the environment.
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Significant material properties
: The new pipeline is resistant to corrosion and aging, and the smooth inner wall can improve the flow.
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High construction efficiency
The single repair cycle can be shortened to 5 days (traditional methods require 15 days).
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wide adaptability
Supports same diameter, reduced diameter, or expanded diameter replacement, suitable for various materials such as cement pipes and corrugated pipes.
Main construction process
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Preliminary exploration
Determine the location and extent of pipeline damage through CCTV inspection.
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Old pipe shattered
Use high-pressure water jet or mechanical cracking equipment to break old pipelines.
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New pipe installation
Traction or jacking into a new pipeline, and bonding with the original pipeline through grouting or natural expansion.
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quality inspection
Airtight test and CCTV re inspection to ensure sealing and strength.
Comparison of application scenarios and advantages
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Applicable scenarios
Pipeline repair in urban central areas, busy traffic sections, and adjacent sensitive facilities such as rivers and cables
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Comparison with traditional excavation and restoration
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Reduce costs by 30% -50% and shorten project duration by more than 50%.
Avoid the cost of earthwork transportation and road restoration, and reduce resource waste.
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