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Rolling Weight Deflectometer Dynatest 2020

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RAPTOR

To collect structural data the RAPTOR uses its Rolling Weight Deflectometer (RWD) developed in the Dynatest Research and Development center Leveraging the major technological advances in digital imaging Dynatest has further developed the RWD principle and solved its largest issue—correlating distance measurements from the same spot on the pavement from different sensors Get price Get Price

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FALLING WEIGHT DEFLECTOMETER (FWD)

Dynatest Model 8000 FWD Trailer The Department has been performing FWD testing since 1985 RITU currently owns two Falling Weight Deflectometer devices both are manufactured by Dynatest The Dynatest units are model 8000 FWD's These models are single mass systems capable of testing with weights between 1500 pounds and 27 000 pounds Get price Get Price

Transportation Research Record

Jan 01 2005Monitoring Pavement Changes in a Rehabilitation Project with Continuous Rolling Dynamic Deflectometer Profiles Jeffrey L Y Lee Jeffrey L Y Lee History and Development of U S Procedures for Falling Weight Deflectometer Calibration Lynne H Irwin Lynne H Irwin Dynatest International Naverland 32 DK 2600 Glostrup Denmark Get price Get Price

US20110259114A1

Systems and methods are disclosed that provide improved non-destructive testing of pavements and in particular non-destructive testing of pavements using rolling wheel deflectometer systems having more than four sensors The additional sensors more accurately detect pavement deflections under load by compensating for the influence the load deflection basin can have on sensors beyond those at Get price Get Price

Pavement Testing Equipment

The Falling Weight Deflectometer is the world standard dynamic plate bearing test for the non-destructive testing of the structural capacity of flexible pavement and the key to unlocking issues with concrete slabs The equipment uses up to nine seismic geophones to measure the deflection of the road pavement under the application of a known Get price Get Price

FWD_paper_IJPEfinal

Sep 18 2016FWD_paper_IJPEfinal Italy with a Dynatest Heavy Weight Deflectometer (HWD) 8082115 trailer A total of 105 points were collected covering the entire flexible pavement runway 116 The data analysis process focused on identifying the relationship between selected117 deflection parameters and the backcalculated moduli from ELMOD and then using Get price Get Price

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The use of light weight deflectometer for in situ

The light weight deflectometer (LWD) also known as the light falling weight deflectometer light drop weight tester and dynamic plate load test is a hand portable device that was developed in Germany to measure the soil in situ LWD dynamic modulus Typically this modulus is used to evaluate the subsoil degree of compaction Get price Get Price

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ROLLING WHEEL DEFLECTOMETER

Aug 27 2015A rolling wheel deflectometer comprises a heavy weight e g 20 000 kg supported by a wheel which is rolled over the pavement at relatively high speed up to 100 km/h The weight causes a localised deflection basin in the pavement around the wheel Get price Get Price

Backcalculation of Raptor (RWD) Measurements and Forward

Jul 18 2019Rolling wheel deflectometer (RWD) devices are increasingly being used for structural condition evaluation However the response of a pavement to a moving load generated by an RWD is different from the response to an impact load as generated by the commonly used falling weight deflectometer (FWD) Get price Get Price

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Etaplius

Rytoj birželio 20 d Baltijos šalių kelininkų asociacijos kvietimu Lietuvoje lankysis Danijos kelių tvirtumo tyrimo technikos gamintojai kurie šalies keliuose atliks demonstracinius matavimus ir pristatys savo sukurtą naujos kartos kelių laikomosios gebos matavimo įrenginį Get price Get Price

Construction Materials Testing Equipment

Humboldt manufactures construction materials testing equipment for use with soil concrete cement and asphalt materials Humboldt has geotechnical and soil mechanics equipment like triaxial consolidation and direct shear involving ASTM standards Get price Get Price

Pavement Management Performance

Current activities include developing methods of analyzing pavement performance from pavement management data and exploring the relationship between preventive maintenance and pavement management data The group is an active participant in the research leading to the development of a rolling wheel deflectometer Data Quality Management Programs Get price Get Price

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Falling Weight Deflectometer (FWD)

The Dynatest Falling Weight Deflectometer (FWD) applies a dynamic load that simulates the loading of a moving wheel The pavement response is analyzed with Dynatest's ELMOD (Evaluation of Layer Moduli and Overlay Design) software to determine the elastic moduli stresses and strains of each modeled layer ELMOD reports the weakest layer of failure residual life and determines the optimum Get price Get Price

Lietuvoje

Rytoj birželio 20 d Baltijos šalių kelininkų asociacijos kvietimu Lietuvoje lankysis Danijos kelių tvirtumo tyrimo technikos gamintojai kurie šalies keliuose atliks demonstracinius matavimus ir pristatys savo sukurtą naujos kartos kelių laikomosios gebos matavimo įrenginį Get price Get Price

Dynatest

Chi siamo Dynatest is a world leader in pavement engineering consulting services and testing equipment We strive to provide the best services and tools to our clients in order to assist them with both optimizing their pavement maintenance and rehabilitation (MR) expenditures and improving the overall quality of their pavements Get price Get Price

8081 Heavy Weight Deflectometer (HWD)_A4_web

Dynatest the original commercial developer of the Falling Weight Deflectometer (FWD) technology and the world's largest supplier of FWD deflection based equipment has designed the Heavy Weight Deflectometer (HWD) with much higher loading capability to meet the needs of airports and pavement agencies with extra thick stiff pavement structures Get price Get Price

Road

Jan 23 2019FWD (falling weight deflectometer) This construction material tester is a trusted and tried method for measuring bearing capacity of pavements However it needs testing vehicles to stop at each measurement point that can lead to road closures as well New Hardness Construction Material Testers Offers Accurate On-Site Measurements Get price Get Price

Dynatest FWD/HWD Test Systems

Dynatest the original commercial developer of the Falling Weight Deflectometer (FWD) technology is the world's largest supplier of FWD equipment This highly accurate well supported reliable and continuously refined Dynatest product line is a proven load/deflection measurement solution for engineers worldwide Get price Get Price

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