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Chinese Standard: 'DL5022-2012'
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DL 5022-2012English190 Add to Cart 0--15 minutes. Auto immediate delivery. Technical code for the design of civil structure of fossil-fired power plant Valid DL 5022-2012
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ICS 91.080
P 20
Record No.. J1355-2012
P DL 5022-2012
Replace DL 5022-1993
Technical Code for the Design of Civil
Structure of Fossil-fired Power Plant
Issued by the National Energy Administration
According to the requirements of GUONENGKEJI [2009] No.163 - "Notice of the
National Energy Administration on Issuing the Development and Revision Plan of the First
Batch of Professional Energy Standards in 2009", the Northwest Electric Power Design
Institute of China Power Engineering Consulting Group revised the former "Technical
Stipulation for the Design of Civil Structure of Thermal Power Plant" (DL 5022-1993) jointly
with organizations concerned.
During revision, the standard drafting group carefully summarizes the practical design
experience of fossil-fired power plant and the earthquake damage experience of Wenchuan
Earthquake in 2008, absorbs the relevant research achievements and the practical construction
experience of Chinese power engineering, solicits opinions from relevant design and design
management organizations and invites experts for review before finalizing.
Upon revision, this standard consists of 11 Chapters and 10 Appendixes, with the basic
frame of Edition 1993. The main changes in this standard are as follows.
1. The capacity of applicable turbine-generator in this standard was changed into
125MW~1000MW from 12MW~300MW.
2. Chapter 2 (Terms) and Chapter 9 (Frame of Air-cooling Condensers) were added; the
content related to reinforced concrete boiler cradle was cancelled; partial content related to
the design of fabricated building was deleted; the values for units with 600MW and 1000MW
live loads on roofs and floors of the main building were supplemented; the values for the
combination value factor and frequency value factor of live loads on roofs and floors were
added; the shape factor of wind load on dry-coal shed, circular closed coal-yard, closed
overhead bridge for coal conveyer as well as wind-break wall for frame of air-cooling
3. The content related to fly ash silo, closed coal-yard, steel inner tube of chimney and
spring-supported vibration insulating foundation was added; details for turbine-generator
foundation and corrosion-protection design requirements for flue gas from desulfurizing
chimney were revised and supplemented.
4. The content related to seismic design was comprehensively revised; the content related
to steel-structure main building, chimney and frame of air-cooling condensers was added.
5. Appendixes A, C, D, E and K were added.
In this standard, Articles 1.0.6, 3.1.6, 3.1.8, 5.2.1, 5.2.6, 5.4.1, 7.2.8, 11.1.2, 11.1.5,
11.1.6, 11.1.15, 11.2.1 and 11.3.5 printed in bold type are compulsory and must be enforced
From the implementation date hereof, the former "Technical Stipulation for the Design of
Civil Structure of Thermal Power Plant" (DL 5022-1993) shall be abolished simultaneously.
This standard was proposed by the Electrical Planning and Design Institute. The National
Energy Administration is in charge of the administration of this standard and the explanation
of its compulsory provisions while the Technical Committee of Electric Power Design for
Energy Industry and the Northwest Electric Power Design Institute of China Power
Engineering Consulting Group is responsible for the routine management of this standard and
the explanation of its specific technical contents respectively. During the process of
1 General Provisions ... 1 
2 Terms ... 2 
3 Loads ... 4 
3.1 Basic Requirements ... 4 
3.2 Live Loads on Roofs and Floors ... 6 
3.3 Crane Loads ... 21 
3.4 Wind Loads and Snow Loads ... 21 
4 Main Building ... 30 
4.1 Basic Requirements ... 30 
4.2 Reinforced Concrete Frame Structures ... 32 
4.3 Steel Frame Structures ... 36 
4.4 Roof Structures ... 37 
4.5 Outside Wall Structures ... 40 
4.6 Bunker and Crane Girder ... 41 
4.7 Elevator Frame of the Boiler ... 45 
5 Ground and Foundation ... 45 
5.1 Basic Requirements ... 45 
5.2 Calculation for Ground ... 47 
5.3 Soft Soil Foundation ... 49 
5.4 Foundation in Mountainous Regions ... 50 
5.5 Collapsible Loess Foundation ... 52 
5.6 Foundations ... 53 
5.7 Trench ... 55 
6 Dynamic Machine Foundation ... 56 
6.1 Turbine-generator Pedestal ........
Related standard:   DL/T 5457-2012
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