Dynatest TMD Test System

Dynatest has expanded its limited production (EU) Model 8000 Vehicle Mounted Falling Weight Deflectometer Test System (VMD) to now include
The Model 8000 Truck Mounted Falling Weight Deflectometer Test System (TMD).

To optimize product life, Dynatest evolved the vehicle design to enable relatively straightforward conversion/interchangeability to a new vehicle at completion of original vehicle life cycle, or to a trailer-mounting if preferred.

Features:

• Fits into standard Ford F-350 single or dual rear wheel pickup truck with a utility body.
• Powered by the vehicle alternator(s).
• FHWA calibration protocol compliant.
• Air temperature,
  pavement surface temperature,
  Distance Measuring Instrument (DMI)
  and 4 segmented 300 mm loading plate with swivel (to accommodate uneven or rutted pavement surfaces) are standard on the Dynatest TMD.

The Dynatest TMD provides all the abilities of a trailer mounted FWD built into a pickup truck.

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Why a Falling Weight Deflectometer (FWD)?

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As with all members of the Dynatest Model 8000 and Model 8081 Falling and Heavy Weight Deflectometer product lines (FWD & HWD), the TMD provides fully automated, fast, highly accurate and precise measurements suitable for use with standard analysis and design procedures including especially rigorous mechanistic-empirical analysis of pavement structures such as the proprietary Dynatest ELMOD (Evaluation of Layer Moduli and Overlay Design) program.

FWD subassembly readily adapts into a utility body

The use of a Dynatest TMD enables the engineer to determine a deflection basin generated by a simulated controlled traffic load with absolute and relative load/deflection measurement accuracy unsurpassed in the industry and guaranteed on a measurement by measurement basis.

Selecting from many possible types of rehabilitation to be implemented on a given pavement, or throughout a pavement network, is of considerable economic significance to society.

To reach such decisions without adequate knowledge of the structural condition and performance of the pavement system under traffic loading, as provided by the Dynatest TMD, can have very costly consequences over time.

15 Active Sensor Capability.

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The Dynatest Methodology

The Model 8000 Truck Mounted Falling Weight Deflectometer Test System (TMD).

This methodology scientifically addresses pavement structures in an engineering manner similar to other standard civil engineering structures.

Dynatest 8000 VMD (Vehicle Mounted Deflectometer)

Trailer based HWD and FWD

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Dynatest International
rev. 11/6/2007