I
t
e
m | Contents of diagnosis, advice, design | Remarks | S
u
b
g
r
a
d
e | Judgement of soil usage | Sampling specimen, various soil tests, judgements, advice |
| Design of soil stabilization | Advice and design of most economical stabilization methods like as bitumen stabilization, lime stabilization, Portland cement stabilization. |
b
a
s
ec
o
u
r
s
e | Judgements for usage of materials | Sampling specimen, various tests for base course materials. judgements, advice |
| Design of stabilization of base course | Examination of various stabilization methods including in place recycle of surface course material, advice and design of the most economical base course structure |
p
a
v
e
m
e
n
t | Selection of pavement kind | Select a mixture which meets the place and object |
| Design of layer thickness | Thickness design which meets the traffic loads in the place |
r
e
h
a
b
i
l
i
t
a
t
i
o
n | Diagnosis of pavement structure | Observation, judgement, estimation of the cause of distress and judgement of further necessary investigation by experts |
| Selection of rehabilitation method | Propose optimum rehabilitation method to meet the cause of distress |
| Diagnosis of structure using Benkelman-beam | Back calculation of multi elastic layers by our original analysis program BBBS(Benkelman Beam Back calculation System) is possible with the accuracy comparable to FWD (This is very efficient and economical when the number of measuring places are not many) |
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