Subbase definition

Subbase means the supporting soil layers beneath a liner.
View Source
Subbase means the layer or layers of specified or selected material of designed thickness placed on a subgrade to support a base course.
View Source
Subbase means the layer or layers of specified or selected material placed on a subgrade to support a base course.
View Source

Examples of Subbase in a sentence

  • Base and Sub-base Course Interlocking Paver block should be placed above properly compacted Base and Sub-base, according to the site type of roads, for medium traffic roads, 150mm thick GSB and 100mm thick WBM is minimum requirement.

  • Material obtained from Roadway Cuts, Borrow areas, or commercial sources that is designated or reserved for use as a foundation for the Subbase, Subbase material, Shoulder surfacing, or other specified purposes designated in the Contract Documents.

  • The combination of Select or stabilized materials, Subbase, Base, and surface courses, described in the typical pavement section in the Contract Documents that is placed on a Subgrade to support the traffic load and distribute it to the Roadbed.

  • The layer or layers of specified material placed on a Subbase or Subgrade to support a surface course.

  • Sub-base shall be prepared per the recommendations of the project geotechnical engineer.

  • In sub-clause 812.05(b), the maximum permeability for Class 2 Base and Class 3 Subbase material shall be 5x10-6 cm/sec.

  • Minimum specified crust composition for flexible pavement with Cement Treated Base (CTB) and Cement Treated Sub-base (CTSB) are presented below.

  • The following Materials shall also comply with the requirements of Section 109.01: asphalt concrete; dense graded aggregate, to include aggregate base, Subbase, and Select Material; fine aggregate; open graded coarse aggregate; crusher run aggregate; and Road stabilization aggregate.

  • Main carriageway including loops & ramps, raising of existing road, bypasses, realignment, reconstruction, Truck Lay Byes, Rest Areas, Bus Bays, Service Road, Slip Road sections are proposed to be constructed with flexible pavement with Cement Treated Base (CTB) and Cement Treated Sub-base (CTSB).

  • That portion of the earth grade upon which the Subbase, base course or the surface course, including curb and gutter, are to be placed.


More Definitions of Subbase

Subbase means a layer of specified material of required thickness between a base and the basement material. (§ 1, Ord. 87-662, eff. June 4, 1987)
View Source
Subbase. - means a layer of material of specified type and thickness between the subgrade and the base.
View Source

Related to Subbase

  • Subloop shall have the meaning set forth in Section 9.3.1.

  • Cathodic protection tester means a person who can demonstrate an understanding of the principles and measurements of all common types of cathodic protection systems as applied to buried or submerged metal piping and tank systems. At a minimum, such persons must have education and experience in soil resistivity, stray current, structure-to-soil potential, and component electrical isolation measurements of buried metal piping and tank systems.

  • CPD means verifiable continuing professional development, as described in the General Dental Council's publication of April 2000, "Lifelong Learning – Taking Dentistry Forward", and may include attendance at approved postgraduate education courses but does not include any quality improvement activities within the meaning of paragraph 40 of Schedule 1 to the National Health Service (General Dental Services) (Scotland) Regulations 2010 in respect of which he is claiming an allowance in accordance with Determination XI of this Statement;

  • Seaplane means a fixed wing aircraft which is designed for taking off and landing on water and includes amphibians operated as seaplanes;

  • Intermodal Rail Yard means a rail facility in which cargo is transferred from drayage truck to train or vice-versa.