发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本文件规定了露营公园的生态环境、规划与选址、外部配套、内部交通、服务设施、基础设施和综合管理。 本文件适用于露营公园的建设与服务。
Standard of construction and service for recreational campground—Part 5:Camping park
Cloud-to-ground lightning density based on lightning location systems(LLS)—General principles
Wood-based flooring for underfloor heating
Test method for measuring ice grip performance of passenger car tyres
Coupling capacitors and capacitor dividers—Part 2: DC or AC single-phase coupling capacitor connected between line and ground for power line carrier-frequency (PLC) application
Drawing method of cloud-to-ground lightning density distribution map
Mechanical vibration—Ground-borne noise and vibration arising from rail systems—Part 32: Measurement of dynamic properties of the ground
现批准《埋地钢质管道防腐保温层技术标准》为国家标准,编号为GB/T50538-2020,自2021年6月1日起实施。原国家标准《埋地钢质管道防腐保温层技术标准》(GB/T50538-2010)同时废止。 本标准在住房和城乡建设部门户网站(www.mohurd.gov.cn)公开,并由住房和城乡建设部标准定额研究所组织中国计划出版社有限公司出版发行。 住房和城乡建设部 2020年11月10日
Thermoplastic pipework for underground installation at petrol filling stations
Measurement method for cathodic protection parameters of buried steel pipelines
Thermoplastics piping systems for underground non-pressure applications—Test method for leaktightness of elastomeric sealing ring type joints
Electronic railway equipment—Train communication network (TCN)—Part 2-6: On-board to ground communication
Electronic railway equipment—Train communication network (TCN)—Part 2-6: On-board to ground communication
Electronic railway equipment—Train communication network (TCN)—Part 2-6: On-board to ground communication
Methods for test, monitoring and prevention of rock burst—Part 5: Monitoring method of earth-sound
Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage—Part 3: Axial hollow-wall construction pipes
Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes
Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes
Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes
Cathodic protection of buried metallic gas storage device
Cathodic protection of buried metallic gas storage device
Cathodic protection of buried grounding conduct
Requirements for buried polyethylene(PE) gas pipeline corrosion control engineering life cycle
Guideline for inspection of buried steel pipelines
Inspection and assessment of crossing and aerial crossing of buried steel pipelines
Lightning density based on lightning location systems(LLS)—General principles
Polypropylene(PP) structure-wall piping systems for underground drainage and sewerage—Part 2: Polypropylene spirally enwound structure-wall pipes
External inspection methodology of stress corrosion cracking (SCC) for buried steel pipelines
Guideline for defect repair of buried steel pipelines
Guideline for defect repair of buried steel pipelines
Technical requirements of solid wood flooring for ground with heating system
Technical requirements of solid wood flooring for ground with heating system
Determination of padimates in cosmetics—High performance liquid chromatography
Polypropylene(PP) structure-wall piping systems for underground drainage and sewerage—Part 1:Polypropylene double wall corrugated pipes
Specification of cathodic protection for underground steel pipelines
Polyethylene structure-wall piping systems for underground usage—Part2: Polyethylene spirally enwound structure-wall pipes
Map paper
Polyethylene coating for buried steel pipeline
Mechannical vibration—Ground-borne noise and vibration arising from rail systems—Part1:General guidance
GB 15558的本部分规定了以聚乙烯(PE)混配料为原料,经挤出成型的燃气用埋地聚乙烯(PE)管材(以下简称“管材”)的术语和定义、材料、要求、试验方法、检验规则、标志和包装、运输、贮存。 本部分规定的管材类型包括: --单层实壁管材; --管材外壁包覆可剥离热塑性防护层的管材。 本部分适用于PE 80和PE 100混配料制造的公称外径为16 mm~630 mm的燃气用埋地聚乙烯(PE)管材,管材的最大工作压力(MOP)基于设计应力确定,并考虑耐快速裂纹扩展(RCP)性能的影响。 在输送人工煤气和液化石油气时,应考虑燃气中存在的其他组分(如:芳香烃、冷凝液)在一定浓度下对管材性能的不利影响。
Buried polyethylene (PE) piping systems for the supply of gaseous fuels.Part 1:Pipes