GB 55003-2021 建筑与市政地基基础通用规范（英文版）

GB 55003-2021 建筑与市政地基基础通用规范（英文版）

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GB 55003-2021 建筑与市政地基基础通用规范内容简介：



Table of Contents
Foreword .......................................................................................................... 4
1 General ......................................................................................................... 7
2 Basic provisions ............................................................................................ 8
2.1 Basic requirements.......................................................................................... 8
2.2 Design ............................................................................................................. 9
2.3 Construction and acceptance ........................................................................ 12
3 Requirements for survey results ................................................................. 14
3.1 General requirements.................................................................................... 14
3.2 Specific requirements .................................................................................... 14
4 Natural foundation and treated foundation .................................................. 17
4.1 General provisions ........................................................................................ 17
4.2 Foundation design ......................................................................................... 17
4.3 Special rock foundation design ..................................................................... 18
4.4 Construction and acceptance ........................................................................ 19
5 Pile foundation ............................................................................................ 22
5.1 General provisions ........................................................................................ 22
5.2 Design of pile foundation ............................................................................... 22
5.3 Pile foundation design for special rock and soil ............................................ 25
5.4 Construction and acceptance ........................................................................ 26
6 Foundation .................................................................................................. 28
6.1 General provisions ........................................................................................ 28
6.2 Design of extended foundation ...................................................................... 28
6.3 Design of raft foundation ............................................................................... 29
6.4 Construction and acceptance ........................................................................ 30
7 Foundation pit engineering ......................................................................... 32
7.1 General provisions ........................................................................................ 32
7.2 Design of supporting structure ...................................................................... 32
7.3 Groundwater control design .......................................................................... 34
Page 2 of 43GB 55003-2021
7.4 Construction and acceptance ........................................................................ 35
8 Slope engineering ....................................................................................... 39
8.1 General provisions ........................................................................................ 39
8.2 Design of retaining structure ......................................................................... 40
8.3 Slope engineering drainage and slope protection design ............................. 41
8.4 Construction and acceptance ........................................................................ 41
Page 3 of 43GB 55003-2021
Foreword
In order to adapt to the general rules of international technical regulations and
technical standards, since 2016, the Ministry of Housing and Urban-Rural
Development has successively issued "Opinions on Deepening the Reform of
Engineering Construction Standardization" and other documents; proposed the
long-term goals that the government formulates mandatory standards AND
social groups formulate voluntary standards; clarified the reform task of using
the full text of mandatory engineering construction specifications to gradually
replace the scattered mandatory provisions in the current standards; gradually
formed a "technical regulations" system, which consists of technical provisions
in laws, administrative regulations, departmental regulations AND the full text
of mandatory engineering construction specifications.
Regarding the type of specification. The mandatory engineering construction
specification system covers various construction projects in the engineering
construction field. It is divided into two types: engineering project specifications
(referred to as project specifications) AND general technical specifications
(referred to as general specifications). The project specification takes the
overall construction project as the object; takes the five elements of the project
scale, layout, function, performance, key technical measures, as the main
content. The general specifications are aimed at the general technical
requirements of various professions, to achieve the functional performance
requirements of engineering construction projects; take the general technical
requirements such as survey, design, construction, maintenance, service as the
main content. In the full text of the mandatory engineering construction
specification system, the project specification is the main body, whilst the
general specification is the provision for the common professional key technical
measures of various projects.
About the five major element indicators. The various elements in the
mandatory project construction specifications are the basic provisions, to
ensure the systematization and efficiency improvement of urban and rural
infrastructure construction. They are the basic requirements for supporting the
high-quality development of urban and rural construction. The scale
requirements of the project mainly stipulate that the construction project shall
have a complete production or service capacity; it shall be compatible with the
level of economic and social development. The layout requirements of the
project mainly stipulate the industrial layout, the site selection of construction
project, the overall design, the general layout, the overall technical
requirements that are coordinated with the scale. It shall consider the
reasonable distribution of supply capacity, to improve the overall construction
level of related facility. The functional requirements of the project mainly
stipulate the composition and purpose of the project, clarify the basic

components of the project. They are the guarantee for the project to play its
expected role. The performance requirements of the project mainly stipulate the
construction level or technical level of the construction project; reflect the
applicability of the construction project; clarify the basic level to achieve, in
terms of project quality, safety, energy saving, environmental protection, livable
environment, sustainable development. The key technical measures are the
basic technical provisions to achieve the functional and performance
requirements of construction projects; they are the basic guarantee for the
implementation of the development goals of safety, greenness, resilience,
wisdom, livability, fairness, efficiency in urban and rural construction.
Regarding the implementation of specification. The mandatory construction
specifications are mandatory and binding. They are the bottom line
requirements, to ensure the safety of people’s lives and property, the personal
health, the engineering safety, the safety of ecological environment, the public
rights and interests, AND to promote the conservation and utilization of energy
and resources, meet the economic and social management. They must be
strictly implemented in the whole process of the construction activities, such as
survey, design, construction, acceptance, maintenance, service, demolition of
engineering construction projects. Among them, for existing building renovation
projects (referring to not changing the existing use functions), when the
conditions are not met and the implementation of the current regulations is
indeed difficult, it shall not be lower than the original construction standards.
The recommended engineering construction standards, which support the
mandatory engineering construction specifications are mature technical
measures, that have been tested in practice AND ensure that they meet the
requirements of the mandatory specifications; they shall also be implemented
under normal circumstances. On the premise of meeting the project functions,
performance requirements, key technical measures, which are stipulated in the
mandatory engineering construction specifications, it may reasonably select
related group standards and corporate standards, to optimize project functions
and performance OR reach a higher level. The recommended engineering
construction standards, group standards, corporate standards must be
coordinated with the mandatory engineering construction specifications; the
various technical requirements shall not be lower than the relevant technical
level of the mandatory construction specifications.
After the implementation of the mandatory engineering construction
specifications, the mandatory provisions in the current relevant national and
industrial standards for engineering construction shall be abolished at the same
time. The mandatory provisions in the current local standards for engineering
construction shall be revised in time, meanwhile it shall not be lower than the
provisions of the mandatory engineering construction standards. If the relevant
provisions of the current engineering construction standards (including
mandatory standards and recommended standards) are inconsistent with the

provisions of the mandatory engineering construction specifications, the
provisions of the mandatory engineering construction specifications shall
prevail.