| 电缆隧道的维护 |
诸如大楼、桥梁、公路、水坝和隧道等混凝土建筑会由于风蚀而破损，电缆隧道也会如此。例如，电缆隧道会出现裂缝并漏水，这些现象会降低隧道的安全性和使用可靠性。如果对这种现象视而不见，则可能需要进行大规模修复和强化工作，进而进一步增加未来的成本。因此，我们强烈建议要定期进行检查并及时予以维护。ITU-T L.11建议书简要阐述电缆隧道维护的安全计划。ITU-T L.11建议书的表A.1和A.2介绍安全计划范例，并以此表明可采取的预防性措施。然而，这些表格并未说明诸如电缆隧道等钢筋混凝土建筑经常出现的瑕疵以及相关的维护检查程序，因此，需提出有关维护电缆隧道的建议。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/9328 |
| Series title: |
L series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
L.300-L.399: Maintenance and operation
L.330-L.349: Infrastructure maintenance |
| Approval date: |
2008-04-06 |
| Provisional name: | L.mct |
| Approval process: | AAP |
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Status: |
Superseded |
| Observation: | Former ITU-T L.74 renumbered as ITU-T L.340 on 2016-02-15 without further modification and without being republished. |
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Maintenance responsibility: |
ITU-T Study Group 15 |
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Further details: |
Patent statement(s)
Development history
[4 related work items in progress]
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ITU-T Supplement
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Title
|
Status
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Summary
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Table of contents
|
Download
|
|
L Suppl. 4 (04/2016)
|
Guidelines for developing a sustainable e-waste management system
|
In force
|
here
|
here
|
here
|
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L Suppl. 5 (12/2014)
|
Life-cycle management of ICT goods
|
In force
|
here
|
here
|
here
|
|
L Suppl. 20 (10/2015)
|
Green public ICT procurement
|
In force
|
here
|
here
|
here
|
|
L Suppl. 21 (04/2016)
|
Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals
|
In force
|
here
|
here
|
here
|
|
L Suppl. 27 (10/2016)
|
Supplement on success stories on e-waste management
|
In force
|
here
|
here
|
here
|
|
L Suppl. 28 (10/2016)
|
Circular economy in information and communication technology; definition of approaches, concepts and metrics
|
In force
|
here
|
here
|
here
|
|
L Suppl. 32 (10/2016)
|
Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes
|
In force
|
here
|
here
|
here
|
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L Suppl. 33 (10/2016)
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Assessment of energy consumption of information and communication technology services
|
In force
|
here
|
here
|
here
|
|
L Suppl. 35 (06/2017)
|
Framework of disaster management for network resilience and recovery
|
In force
|
here
|
here
|
here
|
|
L Suppl. 41 (05/2021)
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Requirements on energy efficiency measurement models and the role of artificial intelligence and big data
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In force
|
here
|
here
|
here
|
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L Suppl. 42 (05/2021)
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Guidelines on the environmental efficiency of machine learning processes in supply chain management
|
In force
|
here
|
here
|
here
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L Suppl. 43 (05/2021)
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Smart energy saving of 5G base stations: Traffic forecasting and strategy optimization of 5G wireless network energy consumption based on artificial intelligence and other emerging technologies
|
In force
|
here
|
here
|
here
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L Suppl. 46 (12/2021)
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Definitions and recent trends in circular cities
|
In force
|
here
|
here
|
here
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L Suppl. 47 (07/2022)
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Examples of resource saving within the information and communication technology sector
|
In force
|
here
|
here
|
here
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L Suppl. 49 (07/2022)
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Overview on adaptation to climate change for information and communication technology networks
|
In force
|
here
|
here
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here
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L Suppl. 52 (10/2022)
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Computer processing, data management and energy perspective
|
In force
|
here
|
here
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here
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L Suppl. 53 (10/2022)
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Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies
|
In force
|
here
|
here
|
here
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L Suppl. 54 (10/2022)
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Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology
|
In force
|
here
|
here
|
here
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L Suppl. 55 (10/2022)
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Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing
|
In force
|
here
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here
|
here
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L Suppl. 56 (10/2022)
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Guidelines for connecting cities and communities with the Sustainable Development Goals
|
In force
|
here
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here
|
here
|
| Title |
Approved on |
Download |
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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
|
2024
|
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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
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2022
|
here
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Guide on the use of ITU-T L-series Recommendations related to optical technologies for outside plant
|
2020
|
here
|
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Partnering for solutions: ICTs in Smart Water Management
|
2014
|
here
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Resilient pathways: the adaptation of the ICT sector to climate change
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2014
|
here
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Greening ICT Supply Chains – Survey on Conflict Minerals Due Diligence Initiatives
|
2012
|
here
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Review of Mobile Handset Eco-Rating Schemes
|
2012
|
here
|
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Boosting Energy Efficiency through Smart Grids
|
2012
|
here
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