GENERAL INFORMATION
Service +49(0)391 2514666 02/2017 Instruction Manual HMP LFGpro – en
Applications
The dynamic plate load test employing the Light Weight Deflectometer is used
in earthworks and traffic route construction. It serves to determine the soil
bearing capacity and the degree of compaction of soils and non-cemented
base courses, and assists in soil improvement.
The test method is suited for coarse-grain and mixed-grain soils with a
maximum grain size of 63 mm. It may be used to determine the deformation
modulus of soil within the measuring range of E
vd
= 15…70 MN/m².
Further applications
❙
Road- and railway construction, earthworks
❙
Quality assurance in canal construction
❙
Compaction control in pipe trenches
❙
Testing of pavement beddings
❙
Testing of foundation backfill
❙
Quality inspection in boreholes
❙
Testing of modulus of deformation within the framework of soil examination.
The Light Weight Deflectometer being easy to handle and use is particularly
suited for intra-company monitoring.
Safety instructions
Information for Users
This instruction manual was prepared such that users can easily become
familiar with the »Light Weight Deflectometer – LWD«, abbreviated herein-after
as LWD, and make use of the tester for intended applications.
Users should carefully read this instruction manual and the safety instructions
prior to using the LWD. Follow the instructions contained in this Instruction
Manual without exception.
Symbols Used
Warnings and instructions are highlighted as described below:
Warning
This symbol is used in conjunction with related text to draw user's
attention to hazards and risks which may cause bodily harms, failure
of tester components or adversely affect operating procedures, in
case users do not take the corresponding precautions.
Note
This symbol and the related text identify technical requirements and
provide additional information to be taken into account by the
operator to carry out the following operations effectively and safely.
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