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29 674 (0,645s) •

Result

Application of Falling Weight Deflectometer in Subgrade Bearing Capacity Evaluation

The direct application of the FWD (Falling Weight Deflectometer) devices for determination of mechanical properties of subgrade is discussed. The FWD deflections measured on subsubgrade embankment level of the expressway R6...

JN - Stavebnictví

  • 2008
    • •
  • D
Result

Light falling weight deflectometer as a tool for subgrade deformation modulus evaluation

Static plate test procced in two load cycles is an only respected way of subgrade deformation modulus determination in the Czech Republic. Subgrade deformation characteristics are often evaluated using light (falling) weight def...

Construction engineering, Municipal and structural engineering

  • 2017
    • •
  • O
Result

Temperature correction of deflections and backcalculated elasticity moduli determined from falling weight deflectometer measurements on asphalt pavements

The evaluation of asphalt pavements bearing capacity is usually performed by analysing pavement surface deflections measured by a Falling Weight Deflectometer (FWD). The deflection changes with the pavement temperature, the...

Civil engineering

  • 2022
    • •
  • JSC
    • •
  • Link
Result

Relationship between Deformation Moduli Obtained Using Light Falling Weight Deflectometer and Static Plate Test on Various Types of Soil

There is increasing effort to optimize test methods for evaiuation of subgrade. It takes eiiect in aspiration in replacement of static plate loading test by other faster test methods. One of them is the use of Light Faling Weight Deflect...

JN - Stavebnictví

  • 2014
    • •
  • Jx
    • •
  • Link
Result

Using traffic speed deflectometer to measure deflections and evaluate bearing capacity of asphalt road pavements at network level

(Falling Weight Deflectometer) and TSD devices organized by CDV in Italy and SlovakiaThe paper deals with diagnostics of bearing capacity of asphalt pavements by a Traffic Speed Deflectometer (TSD device), which a...

Civil engineering

  • 2017
    • •
  • D
    • •
  • Link
Result

Recommendations for usage of light load tests ? both Static Load Plate test and Light Falling Weight Deflectometer (LFWD) and their correlation used at road construction.

The usage of static plate test for assessment and determination of bearing capacity of subsoil and compaction rate and its correlation in the construction of road pavement is given by SJPK MD CR (Quality system of roads - Ministery of transport) regu...

JS - Řízení spolehlivosti a kvality, zkušebnictví

  • 2012
    • •
  • NmetC
Result

Light Falling Weight Deflectometer with Additional Geophone

The Light Falling Weight Deflectometer (LFWD) is a mobile impact load device usually used for the measurement of bearing capacity and the degree of compaction in the railway substructure and permanent way. It allows easy ma...

JN - Stavebnictví

  • 2012
    • •
  • D
Result

Bearing Capacity Diagnostics of Asphalt Pavements on the Network Level Using Traffic Speed Deflectometer Device

the results of the relationship between TSD device and FWD device (Falling Weight Deflectometer) during comparative measurement performed in the Czech Republic. The obtained by a Traffic Speed Deflectometer (TSD) ...

Transport engineering

  • 2019
    • •
  • Jost
Result

Using a Light Falling Weight Deflectometer for the Identification of the Sleeper Subsoil Layer Quality Degree in Railway Structures

The paper presents the method of assessing the quality of a newly built sleeper subsoil layer. The method is based on using the light falling weight deflectometer (LFWD) dropped on a bearing plate and causing a deflection i...

JN - Stavebnictví

  • 2014
    • •
  • D
    • •
  • Link
Result

Traffic Speed Deflectometer - possibilities of use in bearing capacity evaluating on the network level in the Slovak republic

The aim was to summarized experience with TSD measuring (Trafic Speed Deflectometer) focusing on: verify the correctness of the TSD measurement, which is based on high speed contactless measurement of pavement deflection at axle of vehicle l...

JN - Stavebnictví

  • 2015
    • •
  • Vsouhrn
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