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GB 51004-2015

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GB 51004-2015 英文版 1950 购买 现货,9秒内自动发货PDF,有增值税发票。 建筑地基基础工程施工规范 有效

   
标准详细信息 GB 51004-2015; GB51004-2015
中文名称: 建筑地基基础工程施工规范
英文名称: Code for construction of building foundation engineering
行业: 国家标准
中标分类: P22
国际标准分类: 93.02
字数估计: 265,000
发布日期: 2015-03-08
实施日期: 2015-11-01
引用标准: GB 50202; GB 50203; GB 50204; GB 50330; GB 50497; GB 50666; GB 6722; GB 12523; GB 13476; JC 934; JGJ 8; JGJ 33; JGJ 46; JGJ 55; JGJ 59; JGJ 146; JGJ/T 199
起草单位: 上海建工集团股份有限公司
归口单位: 上海建工集团股份有限公司
标准依据: 住房和城乡建设部公告第782号
范围: 本规范适用于建筑地基基础的施工。


UDC
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Code for Construction of Building
Foundation Engineering
建筑地基基础工程施工规范
ISSUED ON. MARCH 8, 2015
IMPLEMENTED ON. NOVEMBER 1, 2015
Jointly Issued by the Ministry of Housing and Urban-Rural Development of
the People's Republic of China and the General
Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China
GB
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Code for Construction of Building Foundation
Engineering
Chief Development Department.
Ministry of Housing and Urban-Rural Development of the People's
Republic of China
Approving Department.
Ministry of Housing and Urban-Rural Development of the People's
Republic of China
Implementation Date.
November 1, 2015
Beijing 2015
Announcement of the Ministry of Housing and Urban-Rural
Development of the People's Republic of China
No.782
Announcement of the Ministry of Housing and Urban-Rural
Development on Publishing the National Standard "Code for
Construction of Building Foundation Engineering"
"Code for Construction of Building Foundation Engineering" has been approved as a
national standard with a serial number of GB 51004-2015 and shall be implemented from
November 1, 2015. Articles 5.5.8, 5.11.4, 6.1.3 and 6.9.8 are compulsory and must be
enforced strictly.
Authorized by the Standard Rating Research Institute of the Ministry of Housing and
Urban-Rural Development of the People's Republic of China, this standard is published by
China Planning Press.
Ministry of Housing and Urban-Rural Development of the People's Republic of China
March 8, 2015
Foreword
As required by the Ministry of Housing and Urban-Rural Development in the "Notice on
Printing 'Development and Revision Plan for National Engineering Construction Standards
and Codes in 2009' (Jian Biao [2009] No.88), this code is prepared by the code drafting group
via conducting extensive investigation and carefully summarizing practical experiences, by
reference to relevant international standards and foreign advanced standards as well as on the
basis of widely soliciting for opinions.
This code consists of 10 chapters and the main technical contents cover general
provisions, terms, basic requirements, ground construction, foundation construction, shoring
construction of foundation pit, groundwater control, construction of earthwork, slope
construction as well as safe and green construction.
In this code, the provision(s) printed in bold type is (are) compulsory one(s), and must be
enforced strictly.
Ministry of Housing and Urban-Rural Development is in charge of the administration of
this code and the explanation of the compulsory provisions; Shanghai Construction Group Co.,
Ltd. is in charge of the explanation of specific technical contents. During the process of
implementing this code, any comments or suggestions, whenever necessary, can be passed or
posted to Shanghai Construction Group Co., Ltd. (address. No.666, East Broadway Road,
Shanghai; post code. 200080) for reference in future revision.
Chief development organizations, participating development organizations, chief drafters
and chief examiners of this code.
Chief development organizations.
Shanghai Construction Group Co., Ltd.
Shanghai Foundation Engineering Group Co., Ltd.
Participating development organizations.
China Academy of Building Research
Shanghai Construction No.1 (Group) Co., Ltd.
Shanghai Construction No.4 (Group) Co., Ltd.
Shanghai Mechanized Construction Group Co., Ltd.
Shanghai Xian Dai Architectural Design (Group) Co., Ltd.
Shanghai Geotechnical Investigations & Design Institute Co., Ltd.
Tongji University
Yunnan Construction Engineering Group Corporation
Shaanxi Construction Engineering Group Corporation
Liaoning Construction Engineering Group Co., Ltd.
Xinjiang Beixin Road & Bridge Construction Co., Ltd.
Xinjiang Bing Tuan Construction Engineering (Group) Co., Ltd.
Chief drafters.
Zhong Xianqi Zhu Yimin Qiu Xihong Zhu Jun Gao Chengyong
Gu Guorong Ye Guanbao Zhu Jianming Wang Weidong Liu Hongming
Gan Yonghui Xu Anjun Xue Yongwu Liu Jiaweng Zhu Jianguo
Wang Lixiang Jiang Xialing Liang Zhirong Xu Feng Liu Shannan
Liang Fayun Li Cunliang Shao Mengxin Teng Xin Luo Xin
Gu Yang Huang Qiuliang Zhang Gang Cheng Hui Ping Yuzhu
Wang Zhimin Chen Heng Wang Jianjiang Zhang Zhijian Fan Jiming
Hua Yan Chen Gang Xiong Baoheng Xing Li Chen Rongkai
Han Zhengping
Ye Keming Zhang Yan Zhong Dongbo Zheng Xiangbin Gu Qianyan
Wu Houxin Xu Guomin Ren Shuhua Ge Wenzhi
Contents
1 General Provisions ... 1
2 Terms ... 1
3 Basic Requirements ... 3
4 Ground Construction ... 4
4.1 General Requirements ... 4
4.2 Soil and Lime-soil Foundation... 5
4.4 Flyash Foundation ... 6
4.5 Dynamic Consolidation Foundation ... 7
4.6 Grouting Consolidated Foundation ... 9
4.7 Preloading Foundation ... 10
4.8 Vibration Impact Foundation ... 12
4.9 High Pressure Jet Grouting Foundation ... 13
4.10 Soil-cement Mixed Pile Foundation ... 14
4.11 Soil-lime Compacted Column Composite Foundation ... 15
4.12 Cement Flyash Gravel Pile Composite Foundation ... 16
4.14 Sandstone Column Composite Foundation ... 18
4.15 Foundation on Collapsible Loess ... 20
4.16 Foundation on Frozen Soil ... 22
4.17 Foundation on Expansive Soil ... 22
5 Foundation Construction ... 23
5.1 General Requirements ... 23
5.2 Non-reinforced Spread Foundation ... 23
5.3 Reinforced Concrete Spread Foundation ... 24
5.4 Raft and Box Foundation ... 25
5.6 Cast-in-situ Pile with Slurry Protection Wall ... 31
5.7 Press-grouting Concrete Pile Drilled by Long Spiral ... 38
5.8 Tube-sinking Cast-in-situ Pile ... 38
5.9 Dry Drilling Cast-in-situ Pile ... 40
5.10 Steel Pile ... 41
5.11 Anchor Pile ... 44
5.12 Foundation on Rock-anchor System ... 45
5.13 Sunk Well and Caisson ... 47
6 Construction of Foundation Pit Retaining ... 48
6.2 Contiguous Bored Pile Wall ... 49
6.3 Sheet Pile Wall ... 50
6.4 Secant Pile Wall ... 52
6.5 Soil Mixed Wall ... 53
6.6 Diaphragm Wall ... 55
6.7 Gravity Cement-soil Wall ... 60
6.8 Soil Nailing Wall ... 62
6.9 Strut ... 64
6.10 Anchor Arm (Cable) ... 65
7 Groundwater Control ... 69
7.1 General Requirements ... 69
7.2 Drainage Galleries ... 70
7.3 Dewatering ... 70
7.4 Cut-off Drain ... 75
7.5 Recharge ... 76
8 Construction of earthwork ... 76
8.1 General Requirements ... 76
8.2 Excavation of Earthwork ... 77
8.4 Stacking and Transportation of Earthwork ... 81
8.5 Backfilling of Earthwork ... 81
9 Slope Construction ... 83
9.1 General Requirements ... 83
9.2 Bolt-shotcrete Support ... 83
9.3 Retaining Wall ... 83
9.4 Excavation of Slope ... 85
10 Safe and Green Construction ... 87
Explanation of Wording in this Code ... 90
1 General Provisions
1.0.1 This code is prepared with a view to safety applicability, advanced technology,
reasonable economy, guaranteed quality and environmental protection during construction of
building foundation engineering.
1.0.2 This code is applicable to construction of building foundation.
1.0.3 The construction of building foundation engineering shall ensure safety and quality
and shall adjust measures to local conditions and save resources.
1.0.4 The construction of building foundation engineering shall comply with not only this
code but also the requirements of relevant current national standards.
2.0.1 Subsoil
Soil mass or rock mass that supports the foundation.
2.0.2 Foundation
A structural component that transfers external load borne by upper structure and
deadweight of upper structure to subsoil.
2.0.3 Composite foundation
Subsoil with the loads borne by reinforcement (which is formed by reinforcing or
replacing partial soil mass) and subsoil around together.
2.0.4 Pile foundation
connected with pile top together.
2.0.5 Dynamic consolidation
The subsoil treatment method to tamp subsoil by repeatedly lifting the hammer to high
place and making it fall freely, which impacts the subsoil and gives it vibration energy.
2.0.6 Dynamic replacement
The subsoil treatment method to form dense pier by repeatedly lifting the hammer to
high place and making it fall freely to form tamping pit on the ground and then repeatedly
tamping sand-gravels, steel slags and other granules filled in the tamping pit alternately.
2.0.7 Grouting
injecting solidifiable grout into rock-soil mass gaps with the help of the hydraulic, pneumatic
or electrochemical principle.
2.0.8 Preloading
The subsoil treatment method to carry out preloading or vacuum preloading to the
subsoil to accelerate subsoil consolidation.
2.0.9 Vibrofloatation
The subsoil treatment method to form composite foundation composed of original
subsoil and pile, which is formed by making the sand soil layer dense under combined action
of horizontal vibration of vibroflot or backfilling gravels after pore-forming in soft soil layer.
   
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