Falling Weight Deflectometer

См. также в других словарях:

• Falling weight deflectometer — A falling weight deflectometer, FWD, is a testing device used by civil engineers to evaluate the physical properties of pavement. FWD data is primary used to estimate pavement structural capacity for 1) overlay design and 2) to determine if a… …   Wikipedia

• FWD — is an abbreviation of:* Free World Dialup (now simply FWD), a non commercial Voice over IP network. * Falling weight deflectometer (Falling Weight Deflectometer test), a structural test on road and airport pavements. * Front wheel drive, a common …   Wikipedia

• LWD — may refer to:* Lamoni Municipal Airport (FAA/IATA airport code), Lamoni, Iowa, United States * Life with Derek , a Canadian sitcom * Light weight deflectometer), a portable version of a falling weight deflectometer * Logging while drilling, a… …   Wikipedia

• Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… …   Wikipedia

• Subgrade — In highway engineering, subgrade is the native material underneath a constructed pavement. It is also called formation level. Explanation Subgrades are commonly compacted before the construction of a pavement, and are sometimes stabilized by the… …   Wikipedia

• Shape factor — can refer to one of number of values in physics, engineering or image analysis. Typically, a shape factor refers to a value that is affected by an object s shape but is independent of its dimensions.In physics: * A band pass filter performance… …   Wikipedia

• Pavement engineering — is a branch of civil engineering that uses engineering techniques to design and maintain flexible (asphalt) and rigid (concrete) pavements. This includes streets and highways and involves knowledge of soils, hydraulics, and material properties.… …   Wikipedia