Geoscience Reference
In-Depth Information
Figure 5
Particle size distribution of residual soil in Singapore.
between RS and RE walls, as these detonation events were similar in charge mass
and distance from the respective walls. The details of these detonation events are
shown in Table 4. After every detonation event, sketches and photographs
recorded visual observations of the RS and RE walls. Digital signals were also
recorded during these detonation events for the RS wall. The performance of RE
and RS walls during blast loading was compared based on visual observation
records. Detonation events MD5-E1 and MD11-E1 were not referred to when
comparing the performance of the two walls as the charge mass and locations
Table 4 Detonation Events for Main Test
Detonation event
MD5-E1
300-kg bar charge
15m away from the front of RS wall
MD5-E2
100-kg bare charge
5m away from the front of RS wall
MD5-E3
100-kg cased charge
5m away from the front of RS wall
MD11-E1
7.5-kg bare charge
5m away from the front of RE wall
MD11-E2
100-kg bare charge
5m away from the front of RE wall
MD11-E3
100-kg cased charge
5m away from the front of RE wall
 
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