This standard applies to: 1. Design of general civil and industrial buildings; 2. Dimensions of various building products, components, assemblies used in housing construction, and coordinated dimensions of equipment, storage units and furniture; 3. Preparation of relevant standards, specifications and standard designs for general civil and industrial buildings. GBJ 2-1986 Standard for Coordination and Unification of Building Modularity GBJ2-1986 Standard download decompression password: www.bzxz.net

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National Standard of the People's Republic of China
Coordinated Unified Standard of Building Modulus
GBJ2—86
1988Beijing
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National Standard of the People's Republic of China
Coordinated Unified Standard of Building Modulus
GBJ2—86
Editor Department: Ministry of Urban and Rural Construction and Environmental Protection of the People's Republic of China Approval Department Department: State Planning Commission of the People's Republic of China Effective Date: July 1, 1987
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Notice on the Release of "Standard for Coordination and Unification of Building Modulus" Planning Standard [1986] No. 2201
According to the notice of the former State Construction Commission (81) Jianfa Shezi No. 546, the "Unified Building Modulus System" GBJ2-73, which was revised by the Ministry of Urban and Rural Construction and Environmental Protection together with relevant departments, has been reviewed by relevant departments. The revised "Standard for Coordination and Unification of Building Modulus" GBJ2-86 is now approved as a national standard and will be implemented from July 1, 1987. This standard is managed by the Ministry of Urban and Rural Construction and Environmental Protection, and its specific interpretation and other work are the responsibility of the China Building Standard Design Institute. The publication and distribution is organized by the Basic Construction Standard and Quota Research Institute of our Commission.
State Planning Commission
November 4, 1986
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Revision Notes
This standard is based on the original State Construction Commission (81) Jianfashezi (546) document, and is revised by the China Building Standard Design Institute of our Ministry and relevant units on the "Uniform Modular System of Buildings" GBJ2-73.
This standard is based on the "Uniform Modular System of Buildings" GBJ2-73, and has been investigated and studied and widely solicited for opinions, retaining its effective provisions, and referring to international standards and foreign advanced standards, combined with my country's current technical and economic levels. This standard specifies the scope of application and purpose of modular coordination, as well as the general principles and regulations that should be adopted when determining the scale and location of buildings, components, assemblies, etc. In the process of implementing this standard, if you find that it needs to be modified or supplemented, please send your opinions and relevant information to the China Building Standard Design Institute of our department for reference during the next revision.
Ministry of Urban and Rural Construction and Environmental Protection
September 1986
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Chapter 1 General
Chapter 2 Modulus
Section 1
Section 2
Section 3
Chapter 3
Basic modulus, derived modulus and modulus series Modulus series amplitude
Modulus Scope of application of number series
Modular coordination principle
Section 1
Positioning series and modular grid
Section 2
Positioning plane and modular height
Section 3 Several kinds of space··
Selection of single-axis positioning and dual-axis positioningSection 4
Section 5 Structural components, assemblies and their positioning…Appendix 1
Appendix 2
Glossary
Explanation of terms used in this standard.
Additional Notes -
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·(10)
（13)
（19)
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Chapter I General
Article 1·0·1 This standard is formulated to enable industrialized large-scale production of building products, building components and assemblies, to make building components and assemblies of different materials, different forms and different manufacturing methods conform to the module and have greater versatility and interchangeability, so as to speed up the design speed, improve the construction quality and efficiency, and reduce the construction cost. Article 1·0·2 This standard applies to:
1. Design of general civil and industrial buildings; 2. Dimensions of various building products, components, assemblies used in house construction and coordinated dimensions of equipment, storage units and furniture; 3. Preparation of standards, specifications and standard designs related to general civil and industrial buildings. Article 1.0.3 The provisions of this standard may not be implemented in the following cases: 1. Reconstruction of buildings that do not conform to the modular coordination or are restricted by external conditions and it is difficult to accurately implement this standard; 2. Buildings that are designed with special functional requirements or the implementation of this standard is technically and economically unreasonable; 3. Design of special-shaped buildings and special-shaped parts of buildings. Article 1.0.4 The thickness of the walls and floor slabs of housing buildings and the dimensions of the cross-section of components, etc., may adopt non-modular dimensions. Article 1.0.5 In addition to complying with the relevant provisions of this standard, the implementation shall also comply with the provisions of the current relevant standards and specifications. Engineering Construction Standard Full Text Information System
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Chapter 2 Modulus
Section 1 Basic Modulus, Derived Modulus and Modulus Series Article 2·1·1
The value of the basic modulus shall be 100mm, and its symbol is M, that is, 1M equals 100mm.
The modular size of the entire building, part of a building, and building assembly shall be a multiple of the basic modulus.
Article 2·1·2 The derived modulus shall be divided into expanded modulus and sub-modulus, and its base shall comply with the following provisions:
1. The base of horizontal expanded modulus is 3M, 6M, 12M, 15M, 30M, 60M, and its corresponding dimensions are 300, 600, 1200, 1500, 3000, 6000mm respectively; the base of vertical expanded modulus is 3M and 6M, and its corresponding dimensions are 300mm and 600mm; 2. The base of sub-modulus is 1/10M, 1/5M, 1/2M, and its corresponding dimensions are 10, 20, 50mm.
Article 2·13
The size unification and coordination between different types of buildings and their components shall reduce the size range and make the superposition and division of sizes more flexible. The modulus series shall be adopted according to Table 2·1·3. Note: In brick-concrete structure houses, 3400 and 2600 mm can be used as building parameters when necessary. Engineering 2 Construction Standard Full Text Information System
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Modulus Series (Unit: mm)
Basic Modulus
Large Modulus
12000|12000|12000
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Table 2·1·3
Sub-modulus
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Basic modulus
1800018000
24000|24000
30000|30000
36000|36000
Section 2 Amplitude of modulus series
(Continued table)
Sub-modulus
Article 2·2·1 The horizontal basic modulus shall be 1M. The 1M series shall be upgraded in 100mm steps, and its amplitude shall be from 1M to 20M.
Article 2·2·2 The vertical basic modulus shall be 1M. The 1M series shall be upgraded in 100mm steps, and its amplitude shall be from 1M to 36M.
Article 2·2·3 The amplitude of the horizontal expansion module shall comply with the following provisions: 1. The 3M series shall be stepped by 300mm, and the amplitude shall be from 3M to 75M; 2. The 6M series shall be stepped by 600mm, and the amplitude shall be from 6M to 96M; 3. The 12M series shall be stepped by 1200mm, and the amplitude shall be from 12M to 120M; 4. The 15M series shall be stepped by 1500mm, and the amplitude shall be from 15M to 120M; 5. The 30M series shall be stepped by 3000mm, and the amplitude shall be from 30M to 360M; 6. The 60M series shall be stepped by 6000mm, and the amplitude shall be from 60M to 360M, etc. The amplitude shall not be limited when necessary.
Article 2·2·4 The range of vertical expansion modulus shall comply with the following provisions: Engineering Construction Standard Full Text Information System
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1. The 3M series shall be stepped by 300mm, with no limit on the range; 2. The 6M series shall be stepped by 600mm, with no limit on the range. Article 2·2·5 The range of sub-modulus shall comply with the following provisions: 1. The 1/10M series shall be stepped by 10mm, with a range from 1/10M to 2M; 2. The 1/5M series shall be stepped by 20mm, with a range from 1/5M to 4M; 3. The 1/2M series shall be stepped by 50mm, with a range from 1/2M to 10M. Section 3 Scope of Application of Modulus Series
Article 2·3·1 The series of horizontal basic modulus 1M to 20M shall be mainly used in door and window openings and component sections. Article 2·3·2 The series of vertical basic moduli from 1M to 36M should be mainly used for the storey height, door and window openings, and component cross-sections of buildings. Article 2·3·3 The series of horizontal expansion moduli from 3M, 6M, 12M, 15M, 30M, and 60M should be mainly used for the bay or column spacing, depth or span, component size, and door and window openings of buildings.
Article 2·3·4 The series of vertical expansion moduli from 3M should be mainly used for the height, storey height, and door and window openings of buildings.
Article 2·3·5 The series of sub-moduli from 1/10M, 1/5M, and 1/2M should be mainly used for gaps, structural nodes, and component cross-sections. Sub-moduli should not be used to determine the distance of modular grids, but they can be used to determine the distance of modular grid translation according to design needs. Engineering Construction Standard Full Text Information System
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Chapter 3
Modular Coordination Principle
Section 1 Positioning Series and Modular Grid
Article 3·1·1 When determining the positioning series, the building should be regarded as a continuous series of three-dimensional rectangular coordinate space grids. One of the three-dimensional orthogonal planes should be horizontal, and this should be used as a reference to determine the position and size of buildings, assemblies, and components and their mutual relationships.
Article 3·1·2 When determining the modular space grid, when the three dimensions of the modular space grid are modular, one of the three-dimensional orthogonal planes should be horizontal. The distance between two adjacent planes in the grid should be equal to the basic module or the expanded module. However, different expanded modules can be used in the three directions or one direction of the space grid. (Figure 3·1·2) Note: When coordinating the components of the sloping roof, one of the three-dimensional orthogonal planes may not be horizontal or perpendicular to the horizontal. Figure 3·1·2 Modular space grid
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Article 3·1·3 Determination of modular grid, when the horizontal and vertical planes of the modular space grid are the orthographic projections of the modular grid, different expansion moduli can be used in two directions or one direction of the grid, and generally should comply with the following provisions: The basic modular grid should be a grid where the distance between modular grids is equal to the basic modulus.
2. The expanded modular grid should be a grid where the distance between modular grids is equal to the expanded modulus. Different expansion moduli can be used in each of the two directions of the grid. The lines of the expanded modular grid should generally coincide with the lines of the basic modular grid. Article 3·1·4 Determination of the intermediate area of ​​the modular grid, when there is a partition component that must separate the modular grid, the separated area is the intermediate area, and its size may not comply with the modulus. (Figure 3·4·3·a)
Article 3·1·5 Determination of modular grid translation. When several modular grids are used in the same plan, these grids can be translated in one or two directions. (Figure 3·1·5)bzxz.net
Figure 31·5 Modular grid translation
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