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SL 314-2004: Design specification for roller compacted concrete dams
SL 314-2004
SL
ICS 93.160
P 59
WATER RESOURCES INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Design specification for roller
compacted concrete dams
ISSUED ON. DECEMBER 8, 2004
IMPLEMENTED ON. FEBRUARY 1, 2005
Issued by. Ministry of Water Resources of the People’s Republic of China
Ministry of Water Resources of the People’s Republic of China
Notice on Approval and Release of SL 314-2004
“Design Specification for Roller Compacted Concrete
Dams”
SGK [2004] No. 592
To. Organizations direct-report to the ministry; water resources (water affairs)
departments (bureaus) of provinces, autonomous regions and
direct-municipalities; water resources (water affair) bureaus of independent-plan
municipalities; and water resources bureau of Xinjiang Production and
Construction Corps.
After examination, “Design Specification for Roller Compacted Concrete Dams” is
approved to be a water resources industry standard. And here it is released. The
standard number is SL 314-2004.
This Standard shall be implemented from February 1, 2005.
Text of the Standard will be released by China Water Power Press.
December 8, 2004
Foreword
In accordance with Water Resource Ministry’s Water Resources and Hydroelectric
Plan, Design and Management Bureau’s SZJK [2001] No.1 FILE “About Issuing Notice
of Year-2001 Water Resources and Hydroelectric Investigation and Design Technical
Standard Formulation, Project Plan of Revision, and Chief Editorial Organizations”
and “Drafting Provisions of Technical Standards of Water Resources” (SL 1-2002);
based on “Design Guide for Roller Compacted Concrete Dams” (DL/T 5005-92)
(hereinafter referred to as the Previous Guide); and absorbing the domestic and
foreign project construction experiences and scientific research achievements on
rolled concrete dams in the recent 10 years, the previous guideline is modified and
supplemented. And this Standard is formulated.
This Standard contains 9 chapters and 73 articles. The main technical contents
include.
— Arrangement of Hydro-project of roller compacted concrete dams;
— Body-shape design of roller compacted concrete dams, contents and methods
of dam-body stability and stress analysis;
— Structure design of construction joints, seepage-proofing, galleries, water stop,
drainage, and other structures of roller compacted concrete dams;
— Roller compacted concrete materials and dam body concrete zoning;
— Temperature control design methods and temperature control measures of roller
compacted concrete dams;
— Safety monitoring design principles, monitoring items and monitoring facilities
arrangement.
The main modifications and supplements of this Standard to the previous guide
include.
— Add reference standards;
—Add terms;
— Add the contents that the finite element calculation is suitable for high roller
compacted concrete gravity dams;
— Clearly adopt Grade 2 roller compacted concrete as the preferred
seepage-proofing methods of dams. And define the minimum allowable
impervious grade and effective thickness;
— Revise the setting principles for transverse joints or inducing joints of roller
compacted concrete gravity dams;
— Add water stop design requirements for transverse joints or inducing joints of
roller compacted concrete gravity dams;
— Revise the maximum mixing amount of admixtures in external and internal roller
compacted concretes;
— Add contents of grout enriched vibrated roller compacted concrete application;
— Revise the design principles for allowable temperature difference of roller
compacted concrete gravity dam foundation;
— Add measures for preventing cracks on dam body;
— Add design contents of roller compacted concrete arch dams, including arch
dam shape, stress analysis methods of arch dams, construction joints structures,
and grouting system, etc.;
— Change the previous “Observation Design” to “Safety Monitoring Design”.
Specify the project monitoring scope. Revise the principles for safety monitoring
design. Refine the arrangement requirements for main monitoring items.
The mandatory provisions of this Standard include 1.0.2, 4.0.2, 4.0.4, 7.0.6,
Paragraph 1 of 8.0.1, and Paragraph 1 of 8.0.5. All of them are marked by boldface.
Approval authority of this Standard. Ministry of Water Resources of the People’s
Republic of China
Administrative organization of this Standard. Hydroelectric Plan, Design and
Management Bureau of Ministry of Water Resources
Interpretation organization of this Standard. Hydroelectric Plan, Design and
Management Institute of Ministry of Water Resources
Chief drafting organization of this Standard. Shanghai Investigation, Design and
Research Institute
Publishing and releasing organization of this Standard. China Water Power Press
Main drafters of this Standard. Dong Qinjian, Li Qixiong, Bai Baozhong, Mao
Yingqiu, Chen Zaimin, Lei Xingshun, and Guo Jingen
Technical responsible person of the review conference of this Standard. Shen
Fengsheng
Examiner of the style and form of this Standard. Cao Zhengqi
Table of Contents
1 General Provisions ... 6
2 Terms ... 8
3 Arrangement of Hydro-project ... 9
4 Dam Body Design ... 11
5 Dam Body Structure ... 14
6 Roller Compacted Concrete Materials and Dam Body Concrete Subarea ... 17
7 Temperature Control and Anti-Cracking of Dam Body ... 19
8 Safety Monitoring Design ... 22
Explanation for Words Used in the Standard ... 25
1 General Provisions
1.0.1 In order to satisfy the construction and development needs of roller compacted
concrete dams; specify design requirements of roller compacted concrete dams; so as to
ensure the project design to be safe and suitable, economic and reasonable, with
advanced technology and reliable quality; this Standard is formulated.
1.0.2 Grade of roller compacted concrete dam shall be in compliance with the
provisions of “Standard for Flood Control” (GB 50201-94) and “Standard for
Classification and Flood Control of Water Resources and Hydroelectric Project” (SL
252-2000).
1.0.3 This Standard applies to the design of Grade 1, 2 and 3 roller compacted
concrete gravity dams on the batholith of water resources and hydroelectric project. The
design of Grade 4 and 5 roller compacted concrete gravity dams can take this Standard as
reference. Special study shall be made for the design of roller compacted concrete gravity
dams of which the height is over 200 m. This Standard also applies to the design of roller
compacted concrete arch dams.
1.0.4 According to the height, roller compacted concrete dams can be divided into low
dam, medium dam and high dam. Dams of which the height is below 30 m are low dams;
dams of 30-70 m are medium dams; and dams over 70 m are high dams.
1.0.5 Design of roller compacted concrete dams requires collecting and mastering
meteorology, hydrology, sediment, terrain, geology, earthquake, construction materials,
ecological environment, and other basic information; and researching the construction
and application conditions.
1.0.6 The following standards are the main standards quoted in this Standard. At the
publication of this Standard, all shown editions are valid. All standards are subject to
revision. And all parties using this Standard are encouraged to investigate the possibility
of applying the latest editions of the following standards.
Standard for Flood Control (GB 50201-94)
Test Code for Hydraulic Roller Compacted Concrete (SL 48-94)
Design ...