Updating Bituminous Stabilized Materials Guidelines Mix Design Report Phase II
Moisture Sensitivity: Part II (Validation) - Asphalt Academy
Moisture Sensitivity: Part II (Validation) - Asphalt Academy
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From the study conducted in MIST device (Task 9), it suggests that ranking of BSM-<strong>Mix</strong>es interms<br />
of moisture related damage should consider limiting the Retained Cohesion (RC). The<br />
Retained cohesion limits provide reliable classification of BSMs. Retained Cohesion further<br />
indicate the factors contributing to mechanism of failure of BSMs, such factors are cohesion loss<br />
and stiffness reduction. The proposed classification limits in terms of moisture susceptibility are<br />
present in Table 16.<br />
Table I.6: Recommended MIST pulsing cycle for the moisture damage<br />
MIST<br />
Pulsing cycle<br />
[no.]<br />
MIST<br />
pulsing time<br />
[min]<br />
Equivalent residual<br />
cohesion percentage<br />
[%]<br />
Possible equivalent<br />
design material<br />
100 3.2<br />
≥ 75 BSM 1<br />
≥ 60 BSM 2<br />
≥ 50 BSM 3<br />
31
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