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The image on the right shows a hotel located beside the river Shannon in Limerick - Leaving Cert DCG - Question B-2 - 2016
Question B-2
The image on the right shows a hotel located beside the river Shannon in Limerick. Two views of an architectural model of a similar structure are shown in the 3D gra... show full transcript
Worked Solution & Example Answer:The image on the right shows a hotel located beside the river Shannon in Limerick - Leaving Cert DCG - Question B-2 - 2016
Step 1
Draw the given plan and elevation of the structure.
Answer
To draw the plan and elevation:
- Begin with the ellipse for the plan: The major axis should be 10m and the minor axis 6m.
- Establish the vertical surface that reflects the parabolic top of the structure in the elevation.
- Project the elevation from points A, B, and C, linking the extremes to show the parabolic outline appropriately.
Step 2
Project an end view in the direction of arrow E.
Answer
For the end view:
- Transfer the heights indicated in the elevation to the end view, using horizontal lines for clarity.
- Draw the silhouette of the structure by outlining the edges based on the transferred heights from both sides to create an accurate representation of the profile.
Step 3
Determine the true shape of the intersection.
Answer
To determine the true shape of the intersection:
- Draw HT and VT in both plan and elevation based on the inclined cutting plane.
- Establish the edge equator of the inclined plane and mark the intersection points with the structure.
- Sketch the true shape of the intersection using curves, transferring the points found on the cutting plane onto the main structure to ensure precision.
- Finally, depict the circular shape of the required intersection from the identified intersections with clear delineation to reflect the geometry accurately.