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Behaviour of structural components
Displacement of grid or tartan grids.
Where there is a homogenous and repetitive between at least two basic increments. E.g. 1M + 2M (or) 3/2 M + 3M
Interrupted grids (or) neutral zones
Where there are non modular interruptions of grids, neutral zones are created to cope with the economics of building design.
elements in building design
v Continuous grid
v Superimposed grid
v Displacement of grid (or) Tartan grids
v Interrupted grids as neutral zones.
Where all dimensions in either direction are based on one increment only.
When the modular grid of 100 mm increment is superimposed on a multi-modular grid. building components encourages as far as possible the interchangeable components, whatever the material form or method of manufacture.
simplifies size operations by rationalizing selling out. Positioning and assembly of building components.
ensures dimensional coordination between installations equipment, storage units, other fitted furniture, etc) as well as with the rest of the building.
A rectangular coordinate reference system in which the distance between consecutive lines is the basic module or a multimodule. This multimodule may differ for each of the two dimensions of the grid.
Types of Modular Grid
There are different types of grid patterns which are used to locate the positions and dimensions of building spaces, components and
The principal object of modular coordinate is to assist the building design, construction professional building industry and its associated manufacturing industries by standardization in such a way that building components fit with each other with other components and with building assembly on site thereby improving the economics of building.
Modular Coordination thus
Facilitates cooperation between building designers manufacturers, distributors, contractors and authorities.
In the design work, enables buildings to be so dimensionally coordinated that they can be erected with standard components without undue restriction on freedom of design.
Permits a flexible type of standardization. Which encourages the use of a number of standardized building components for the construction of different types of buildings.
Optimize the number of standard sizes of multimodules will suit particular applications. However, if modular coordination is to be achieves the values of multimodules should not be chosen arbitrary and only standardized multimodules shall be used. By using multimodules, it is possible to achieved a substantial reduction in the number of modular sizes, particularly for components having at least one dimension equal to one of the dimensions of the functional element of which they are a part.
A further reduction in the number of modular sizes may be achieved by means of a general series of multimodular sizes based on selected multimodules. The international standardizes values of multimodules for horizontal coordinating dimensions are
3M, 6M, 12M, 80M & 60 M
The multimode 15M may also be used for special applications.
Aims of Modular co-ordination.
Major objective. Specific objective.
Flexibility in the arrangement of components.
The modular coordination is defined as, the basic module is in adopted, the size of which is selected for general application to building and its components. The value of the basic module chosen in 100mm for maximum flexibility and convenience. The symbol used for basic module is M.
100 mm = 1M = it is international standard value. Modules
Modules is a standard unit of size used to coordinate the dimensions of buildings and components.
Multimodules are standardized selected whole multiples of the basic module different single beam has resulted the beam to fall 2 basement down.
The beam just placed for connection. Need for prefabrication
1. Prefabricated structures are used for sites, which are not suitable for normal construction method such as hilly region, and also when normal construction material are not easily available.
2. PFS facilities can also be created at near a site as is done to make concrete blocks used in plane of conventional knick.
Structures which are used repeatedly and can be standardized such as housing storage sheds godowns, shelters, bus standard security cabins, site offices, fool over bridges, road bridges. Tubular structures, concrete building blocks etc., are prefabricated structures.
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