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Question

According to the desk study:

(i) the water table at the location is expected to be at 3.5m below original

ground level;

and

(ii) the stratigraphy of the soil layers are expected as: (a)Layer 1 - 1.5m of loose to medium dense

sand; (b) Layer 2 - 6m of dense sand; (c) Layer 3 - Organic peat and silty clays with average

thickness of 2m; (d) Layer 4 - Very dense sand with thickness varying from depth of 13 to 19m;

(e) Layer 5 - Stiff clay inter-bedded with sand strips - 7m.; (f) Layer 6 - Argillite-weathered rock.

A piled raft foundation is currently being considered for this mixed-use building (see the Revit model).

As a site manager in charge of the project, identify the specific problems concerned with logistics and site

management that are likely to be faced by your team in carrying out the works under the ground level,

and propose appropriate solutions which need to be considered before the project commences. The report

has to reveal the logic behind the proposed site layout and logistics with a consideration of the constraints

as well as the construction methods that are thought to be employed to undertake the works under the

ground level.

Top Answer

Problem faced are As there is water upto 3.5m so due to water there will be problems in excavation below ground Also soil... View the full answer

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