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Minimum Design Loads and Associated Criteria for Buildings and Other Structures by Sometimes wandering the shelves is useful. If you can find one book on a topic, others like it will be sitting close by on the same shelf. Be sure to look at both the Reference collection on the first floor for general helps like encyclopedias, and at the circulating collection on the second floor for books you can take with you
Class T Technology
T201-342 Patents. Trademarks
subclass TA Engineering (General). Civil engineering (General)
TA174+ Engineering design
TA401+ Materials of engineering and construction. Mechanics of materials
TA703+ Engineering geology. Rock mechanics. Soil mechanics.
Underground construction
subclass TC Hydraulic engineering
TC530+ River protective works. Regulation. Flood control
TC801+ Irrigation engineering. Reclamation of wasteland. Drainage
subclass TD Environmental technology. Sanitary Engineering
TD201+ Water supply
TD511+ Sewage collection and disposal systems. Sewarage
subclass TE Highway engineering. Roads and pavements
subclass TF Railroad engineering
subclass TG-TH Bridge engineering
subclass TN Mining engineering. Metallurgy
subclass TS Manufactures
And subclasses TR (photography), TT (handicrafts), TX (home economics)