GB 55003-2021 建筑与市政地基基础通用规范(英文版)
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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 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
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. |
