Technologies in the construction process

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... level of the constructed building. •characteristics of the soil. Options. •placing subsequent strip foundation under an existing building. •slurry wall. •jet grouting.
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Aspects of selecting the technologies

TECHNOLOGIES IN THE CONSTRUCTION PROCESS ASPECTS OF SELECTING THE TECHNOLOGIES TIME-SEQUENCE OF THE CONSTRUCTION WORKS

BUTE – Faculty of Architecture Department of construction technology and management

István Vidovszky PhD Basics of construction

INTRODUCTION

Technologies in the construction process

13-07-29

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Time-sequence of the construction works

Vidovszky – BUTE – Department of Construction Technology and Management

TECHNOLOGY

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SELECTING THE TECHNOLOGIES influencing factors

Construction technology is the sum of all work processes of a work activity. The know-how of the construction.

Vidovszky – BUTE – Department of Construction Technology and Management

SELECTING THE TECHNOLOGIES

SELECTING THE TECHNOLOGIES

DEF: time sequence of construction works cost estimation

selection of technology Vidovszky – BUTE – Department of Construction Technology and Management

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ASPECTS OF SELECTION

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•cost of the technology

•required time -> cost •workability / viability •requirements in equipment / tools = What tools /equipments are at the contractor’s immediate service? / What has to be hired?

SELECTING THE TECHNOLOGIES

SELECTING THE TECHNOLOGIES

•technical circumstances •cost

Vidovszky – BUTE – Department of Construction Technology and Management

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TIME ESTIMATION

COST ESTIMATION

•costs of the materials used •cost of the time •additional costs

e.g. - scaffolding

Vidovszky – BUTE – Department of Construction Technology and Management

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THE PHASE OF THE PLANNING

workability / viability

•required time of the technology •costs depending on time

e.g. – AAC / clay block

Vidovszky – BUTE – Department of Construction Technology and Management

SELECTING THE TECHNOLOGIES

SELECTING THE TECHNOLOGIES

•time of the work activity •workable / viable details

•optimal choices of technology based on local human sources

•details considering the expected (expectable) accuracy of the local construction industry

Vidovszky – BUTE – Department of Construction Technology and Management

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Technologies in the construction process

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Harmonizing foundation levels

•construction of substructures

•construction of superstructures

•finishing works (+ electric wireing and building installation works)

•gardening, etc.

TECHNOLOGIES IN CONSTRUCTION

TECHNOLOGIES IN CONSTRUCTION

Influencing factors

Vidovszky – BUTE – Department of Construction Technology and Management

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•foundation level of the neighboring buildings •foundation level of the constructed building •characteristics of the soil

Options •placing subsequent strip foundation under an existing building •slurry wall •jet grouting •injecting •pile-wall

Vidovszky – BUTE – Department of Construction Technology and Management

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Selecting foundation type

•necessary depth of excavation pit

Monolithic reinforced concrete structures

load of the building load bearing capacity of the soil type of the soil (loose/dense)

pile drilled / prefabricated

slurry wall slurry pillar

strip foundation

slab foundation

Vidovszky – BUTE – Department of Construction Technology and Management

TECHNOLOGIES IN CONSTRUCTION

TECHNOLOGIES IN CONSTRUCTION

selecting technology Vertical structures (wall, pillar) • reinforcement • formwork • concrete placement

horizontal structures (slab) • formwork •reinforcement •concrete placement

work sequence

Drilled piles, slurry wall •concrete placement •reinforcment

Vidovszky – BUTE – Department of Construction Technology and Management

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Monolithic reinforced concrete structures

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Monolithic reinforced concrete structures

influencing factors: cost, time, owned equipments, required quality, etc…

Concrete supply

transport concrete

In-situ concrete

Vidovszky – BUTE – Department of Construction Technology and Management

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Monolithic reinforced concrete structures selecting technology

TECHNOLOGIES IN CONSTRUCTION

Formwork system – for horizontal structures

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