Zoomlion ZCC1100H, Operator'S Manual

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Operator’s Manual for Crawler Crane
Operator’s Manual for Crawler Crane
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ZCC1100H Crawler Crane 3-29
3.4.2 Permissible ground pressure
The ground upon which the crane works must be flat and firm
The recommended ground endurance: 50t/m
2.
The following table 3-6 shows the bearing capacity of various grounds, for reference only.
Table 3-6 Bearing capacity of various grounds
No Soil type
Load-bearing capacity
(unit:
×
0.1MPa)
A) Back-filled, not naturally compacted ground 0-1
B) Natural soil, without apparent disturbance
1 1. Mud, peat, marshy soil 0
2 Non-cohesive, sufficiently compactly layered soil
2.1 Fine to medium grained sand 1.5
2.2 From coarse-grained sand to gravel 2
3 Cohesive soil
3.1 Loamy/Fertile 0
3.2 Soft 0.4
3.3
Stiff
1.0
3.4 Semi-solid 2.0
3.5 Hard 4.0
4
Rock with few fissures, in healthy, un-weathered
condition and in a favorable location:
4.1 In cohesive layer order 15
4.2 In massive or column-style shape 30
C) Artificially compacted ground
1 Asphalt 5-15
2 Concrete
2.1 Concrete group B I 50-250
2.1 Concrete group B II 350-550
CAUTION
If there is any doubt about the load-bearing capacity of the ground at the operating site,
soil test should be carried out.