Caisson Seawalls
Colombo, Sri Lanka
China Harbor has released an animated video of idealized depictions listing the steps to build a caisson quay wall at the Port of Colombo, Sri Lanka.
Figure 1:
A trench was dredged where the new caissons will go,
and new stronger fill material is starting to be dropped into the trench
by a split hopper barge that is loaded with crane barges next to the
hopper barge.
The new material will fill the trench.
[ChinaHarbor]
Figure 2:
Prop scaffolding is placed to assist in tying the
caisson vertical wall reinforcing rods.
[ChinaHarbor]
Figure 3:
Prop scaffolding facilitates tying the
vertical wall reinforcing rods.
[ChinaHarbor]
Figure 4:
Exterior wall forms are placed,
and interior prop scaffolding is removed.
[ChinaHarbor]
Figure 5:
Placing interior wall forms for pouring the concrete.
[ChinaHarbor]
Figure 6:
Interior wall forms have been placed.
[ChinaHarbor]
Figure 7:
Concrete has been poured.
[ChinaHarbor]
Figure 8:
Remove interior wall forms.
[ChinaHarbor]
Figure 9:
Interior wall forms have been removed.
[ChinaHarbor]
Figure 10:
Exterior wall forms have been removed.
[ChinaHarbor]
Figure 11:
Repeat the process the next level up,
and again and again,
until the caisson is multiple stories high.
[ChinaHarbor]
Figure 12:
Fill in behind the caissons creating newly retained land.
[ChinaHarbor]
Figure 13:
Drill holes for underground posts that will hold up rear track
of quay cranes.
[ChinaHarbor]
Figure 14:
Lower reinforcement rods into holes where concrete
will be poured to make the posts.
[ChinaHarbor]
Figure 15:
Position forms for pouring the breast wall.
[ChinaHarbor]
Figure 16:
Concrete breast wall and beam to hold up rear track
of quay cranes have been poured.
[ChinaHarbor]
Figure 17:
Slab behind breast wall is poured.
[ChinaHarbor]
Figure 18:
Yard slab is poured.
[ChinaHarbor]
Caisson Seawalls
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