SURVEY PROCEDURES FOR TALL BUILDINGSevent.lsgi.polyu.edu.hk/HIGHRISE2012/PPT/Session 2.2_Ian...TALL BUILDINGS IAN R. SPARKS 1 2 Formwork alignment Vertical distance Concrete shrinkage

SURVEY PROCEDURES FOR TALL BUILDINGS IAN R. SPARKS

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2

Formwork alignment

Vert

ical

dist

ance

Con

cret

e sh

rink

age

Verticality Checks

Replacing lost control

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4

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TOWER SUPERSTRUCTURE-ELEVATIONAL COMPENSATION PROGRAM SCOPE

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FOUNDATION

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GOVERNMENT BENCHMARK

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DEFORMATION

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VERT N/S

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CONCRETE SHRINKAGE

Wind

Sun

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Cra

ne lo

ad

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VERT N/S

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VERT N/S

Con

siste

nt fl

oor t

o flo

or h

eigh

t

Con

cret

e sh

rink

age

and

cree

p

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Long term monitoring

The survey programme

Survey equipment

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Thank you

Any Questions?