The codes below display in the CL: Classification field.

The “general” classification codes are searchable. For example, to search for records on construction engineering in general, enter

cl=10

To search for records on the construction engineering of buildings, towers, and tanks, enter

cl=11

To search for all records with classification codes beginning with 1 (i.e., classification code 10 and all its subheadings), enter

cl=1*

10 Construction Engineering (General)

11 Buildings, Towers, and Tanks

12 Bridges and Tunnels

13 Coastal and Offshore Structures

14 Construction Materials Selection

20 Architectural Engineering, Structural Design, and Properties (General)

21 Buildings, Towers, and Tanks

22 Bridges and Tunnels

23 Coastal and Offshore Structures

24 Design and Properties of Substructures

25 Geotechnical Engineering

26 Seismic Engineering

30 Environmental Engineering (General)

31 Pollution, Conservation, and Health Management

32 Waste Management

33 Storm Water Management and Flood Analysis

34 Surface and Groundwater Hydrology

35 Land Development, Irrigation, and Drainage

36 Site Remediation and Reclamation

40 Civil Engineering for Utilities (General)

41 Water Utilities

42 Electric Utilities

43 Petroleum and Gas Utilities

50 Civil Engineering for Transportation Systems (General)

51 Highways and Roads

52 Railways and Mass Transit

53 Waterways

54 Air and Space Transportation

60 Surveying, Theory, and Analysis

61 Satellite Communications, Topography, and Cartography

62 Theoretical Mechanics and Dynamics

63 Mathematics and Computation

70 Forensic Engineering

80 Management and Marketing