The essentials for reading steel structural construction drawings
The construction drawing must be read before the structural drawing, thereby establishing the outline of the building. During the reading of the structural drawing, the representation of the same part of the structure and it is shown in the drawing should be checked repeatedly, so that the content of the drawing can be understood accurately.
Reading structural construction drawings is also a gradual process from shallow to deep, from coarse to fine. Structural construction drawings use thick lines to indicate key content to be highlighted. In order to make the drawings clear, codes are often used to represent the components.
Reading method of structural construction drawings
a.Reading of steel structural design instructions
Understand the special requirements for the structure, the content emphasized in the description, master the content, materials, quality, and technical measures to be taken, understand the technical standards and structures used, and understand the standard used.
b.Reading of basic layout drawings
Pay attention to the elevation of the foundation and the value of the positioning axis, understand the form and difference of the foundation, and pay attention to the embedded parts and holes in the foundation of other types of work.
Consult the architectural drawings, check whether all the axes correspond to the foundation, and understand whether some walls have no foundation and are replaced by foundation beams, whether the form of the foundation has changed, and whether there is an equipment foundation.
Compare the plane and section of the foundation to understand whether there is any change in the elevation of the base and the top of the foundation, and how to deal with the changes. Understand the plane position, elevation, and quantity of the reserved holes and embedded parts in the foundation. Understand the forms and practices of foundation. Understand the size and reinforcement of each part. Repeat the above process to solve the unclear problem. Keep a record of the remaining issues.
c.Reading of structural layout drawings
The structural layout drawing is composed of a structural plan view and a sectional view or a standard drawing. Understand the type of structure, understand the plane position and elevation of the main components, and combine with the architectural drawing to understand the corresponding situation of the position and elevation of each component.
Classify the main components by combining the section drawings, standard drawings, and detailed drawings, and understand their similarities and differences. Understand the similarities and differences between the structure of each component node and the embedded parts.
d.Reading of detailed structural drawings
Firstly, check whether the position, elevation, and quantity of the components on the structural plane are consistent with the detailed drawing and whether there is any contradiction in elevation, position, and size. Understand the connection method of the component and the main component, to see whether its position or elevation can be guaranteed, and whether there is any conflict with other components. Understand the details of the accessories or steel bars in the component, and grasp the main content. Verify the above content in conjunction with the table of materials.
Summary of structural construction drawings
Organize the records, check the previous questions, and make suggestions.
Construction drawing codes
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