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Code for design of building foundation
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Basic data | Standard ID | GB 50007-2011 (GB50007-2011) | | Description (Translated English) | Code for design of building foundation | | Sector / Industry | National Standard | | Classification of Chinese Standard | P22 | | Classification of International Standard | 93.020 | | Word Count Estimation | 348,377 | | Date of Issue | 2011-07-26 | | Date of Implementation | 2012-08-01 | | Older Standard (superseded by this standard) | GB 50007-2002 | | Quoted Standard | GB 50009; GB 50010; GB 50011; GB 50046; GB/T 50123; GB/T 50476 | | Regulation (derived from) | Bulletin of the Ministry of Housing and Urban No. 1096 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | | Summary | This Chinese standard applies to industrial and civil buildings (including structures) of the foundation design. For loess, permafrost, expansive soil as well as in seismic and vibration loads of foundation design, there should be consistent with current national relevant professional standards. | GB 50007-2011: Code for design of building foundation---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB50007-2011
OF THE PEOPLE'S REPUBLIC OF CHINA
Code for Design of Building Foundation
Chief Development Department. Ministry of Housing and Urban-Rural Development
of the People's Republic of China
Approval Department. Ministry of Housing and Urban-Rural Development of the
People's Republic of China
Implementation Date. August 01, 2012
2011 Beijing
Some pages are intentionally removed. Please purchase a full copy from.
Announcement of the Ministry of Housing and Urban-Rural
Development of the People's Republic of China
No. 1096
Announcement on Publishing the National Standard of "Code for Design of Building
Foundation"
"Code for Design of Building Foundation" has been approved as a national standard with
a serial number of GB 50007-2011, and shall be implemented on August 01, 2012. Therein,
Articles 3.0.2, 3.0.5, 5.1.3, 5.3.1, 5.3.4, 6.1.1, 6.3.1, 6.4.1, 7.2.7, 7.2.8, 8.2.7, 8.4.6, 8.4.9,
8.4.11, 8.4.18, 8.5.10, 8.5.13, 8.5.20, 8.5.22, 9.1.3, 9.1.9, 9.5.3, 10.2.1, 10.2.10, 10.2.13,
10.2.14, 10.3.2 and 10.3.8 are compulsory provisions and must be enforced strictly. The
original "Code for Design of Building Foundation" GB 50007-2002 shall be abolished
simultaneously.
Authorized by the Standard Rating Research Institute of the Ministry of Housing and
Urban-Rural Development of the People's Republic of China, this code is published and
distributed by China Architecture and Building Press.
Ministry of Housing and Urban-Rural Development of the People's Republic of
China
July 26, 2011
Foreword
According to the requirements of Document Jian Biao [2008] No. 102 issued by the
Ministry of Housing and Urban-Rural Development-"Notice on Printing and Publishing the
Development and Revision Plan of National Engineering Construction Standards in 2008
(first batch)", this code is revised from the former "Code for Design of Building Foundation"
GB 500072002 by China Academy of Building Research jointly with all the organizations
concerned.
During the preparation process, the drafting group finally finalized this code upon review
based on extensive investigation and study, earnestly summarizing the practical experience,
making reference to the foreign advanced standards, coordinating with relevant national
standards and extensively soliciting for opinions.
This code comprises 10 chapters and 22 appendixes, with main technical content
including general provisions, terms and symbols, basic requirements, geotechnical
classification and index properties, foundation design calculation, foundation in mountain
area, soft ground, foundation type, excavation engineering, inspection and monitoring.
The main technical contents revised in this code are.
1. Add the relevant content of excavation engineering in the design grade of foundation;
2. The design working life of foundation shall not be less than that of building structure;
3. Add the engineering definitions of peat and cumulosol;
4. Add resilience recompression deformation calculation method;
5. Add building anti-floating stability calculation method;
6. Add the design principles of soil-rock composite ground with rock face gradient
greater than 10% and foundation soil thickness greater than 1.5m when the medium and
underlying rock face is inclining in single direction;
7. Add the design content of rock foundation;
8. Add the principle of design of foundation for the site in karst region according to the
karst development degree;
9. Add the calculation method for composite ground deformation;
10. Add the design requirements that the minimum ratio of reinforcement of spread
foundation shall not be less than 0.15%;
11. Add the requirements for the shear bearing capacity calculation of oblique section
when the short-side dimension of the spread foundation bottom is less than or equal to the
column width plus 2 times the foundation effective height;
12. Adjust the settlement empirical coefficient through statistical analysis for pile
foundation settlement calculation method;
13. Add the requirements that the excavation engineering featured by complex
hydrogeologic conditions on site, high protection requirement for surrounding environment of
foundation pit and Grade-A design grade shall be subjected to special design for underground
water control in high underground water level area;
14. Add the engineering inspection requirements for ground treatment engineering;
15. Add the key points for horizontal loading test of single pile and key points for
vertical pullout load testing of single pile.
In this code, the provisions printed in bold type are compulsory ones and must be
enforced strictly.
The Ministry of Housing and Urban-Rural Development is in charge of the
administration of this code and the explanation of the compulsory provisions; the China
Academy of Building Research is responsible for the explanation of specific technical
contents. During the process of implementing this code, the relevant opinions or advice,
whenever necessary, can be posted or passed on to the national standard "Code for Design of
Building Foundation" Administrative Group of China Academy of Building Research
(address. No. 30, North Third Ring East Road, Beijing, 100013, China, Email.
tyjcabr@sina.com.cn).
Chief development organization of this code. China Academy of Building Research
Participating development organizations of this code. CIGIS
Beijing Geotechnical Institute
China Southwest Geotechnical Investigation and Architecture Design Institute
Guiyang Architectural Design & Surveying Prospecting Co., Ltd.
Beijing Institute of Architectural Design
China Architecture Design and Research Group
Shanghai Xiandai Architectural Design Group Co., Ltd.
China Northeast Architectural Design & Research Institute
Liaoning Provincial Building Design & Research Institute
Yunnan Yicheng Architectural Design Company
Central-South Architectural Design Institute
Hubei Provincial Academy of Building Research
Guangzhou Academy of Building Research
Heilongjian Province Academy of Cold Area Building Research
Heilongjiang Province Building Engineering Quality Supervision Station
Northern Engineering & Technology Corporation, MCC
China State Construction Engineering Corp.
Tianjin University
Tongji University
Taiyuan University of Technology
Guangzhou University
Zhengzhou University
Southeast University
Chongqing University
Chief drafting staff of this code. Teng Yanjing, Huang Xiling, Wang Shuguang, Gong
Jianfei, Wang Weidong, Wang Xiaonan, Wang Gongshan, Bai Xiaohong, Ren Qingying, Liu
Songyu, Zhu Lei, Shen Xiaoke, Zhang Bingji, Zhang Chengjin, Zhang Jichao, Chen Xiangfu,
Yang Min, Lin Liyan, Zheng Gang, Zhou Tonghe, Wei Wu, Hao Jiangnan, Hou Guangyu, Hu
Daiwen, Yuan Neizhen, Gu Baohe, Tang Mengxiong, Gu Xiaolu, Liang Zhirong, Kang
Jingwen, Pei Jie, Pan Kaiyun, Xue Huili
Chief examiners of this code. Xu Zhengzhong, Huang Shaoming, Wu Xuemin, Gu
Guorong, Hua Jianxin, Wang Changqing, Xiao Ziqiang, Song Zhaohuang, Xu Tianping, Xu
Zhangjian, Mei Quanting, Huang Zhihong, Dou Nanhua
Table of Contents
1 General Provisions ... 1
2 Terms and Symbols ... 1
2.1 Terms ... 1
2.2 Symbols ... 2
3 Basic Requirements ... 3
4 Geotechnical Classification and Index Properties ... 8
4.1 Geotechnical Classification ... 8
4.2 Engineering Index Properties...11
5 Foundation Design Calculation ... 12
5.1 Embedded Depth of Foundation ... 12
5.2 Bearing Capacity Calculation ... 15
5.3 Deformation Calculation... 19
5.4 Stability Calculation... 24
6 Foundation in Mountain Area... 26
6.1 General Requirements... 26
6.2 Foundation on Rock and Soil... 26
6.3 Foundation on Compacted Fill... 28
6.4 Landslide Prevention ... 30
6.5 Foundation on Rock... 32
6.6 Karst and Sinkhole... 32
6.7 Earth Slope and Gravity Retaining Wall... 35
6.8 Rock Slope and Anchor Wall ...
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