Searching for literature and understanding how that interlinks with writing up your findings and influencing new ideas for your research is a vital skill. The graphic below may help you to understand these processes and how they are inter-linked.
Library books are arranged by the Dewey Decimal classification scheme whereby each subject is represented by a number.
You wil find books on the same subject will have the same number. The shelfmark is preceded by the letter D and will be followed by 3 letters, which are usually the first 3 letters of the author's name.
Here are some useful shelfmarks.
D 624.1 Structural engineering and underground construction
D 691 Building materials
D 720 Architecture (general)
D 721 Architectural structure
D 729 Design and decoration