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Introduction

Today’s buildings use combinations of traditional and modern techniques and materials in their construction,

These are influenced by the functional requirements of building elements and by legislation.

Types of Superstructure

Types of superstructure

Construction

Steel

Traditional

Timber Frame

Concrete

Modular

Modern Methods

Timber Frame

Example external wall section

Prefabricated timber frame

Pod and modular prefabricated rooms (Wet rooms)

Concrete precast sectional structures

Off site manufacturing (Factory Controlled)

Learning Outcomes

How quick can timber frame be built?

http://www.woodcampus.co.uk/Catalogue/CatalogueItemDetails.aspx?id=244&type=1&kbtype=1&PreventAutoLaunch=true

Mixing mortar

  • Identify the purpose and function of a superstructure
  • Evaluation of techniques used

Cavity walls

Mixing process

Use an electric or petrol/diesel mixer on level ground.

Gauge the materials and fill the mixer with half the water required.

Add half the amount of cement and sand.

Allow to mix and then add remaining cement and sand.

Add more water and allow two minutes to mix.

How would you mix mortar by hand?

The most common type of wall is cavity walling.

Two walls built parallel to each other with a gap in between.

The outer leaf prevents rain and wind penetrating.

The cavity is usually filled with insulation.

Steel Frame

Superstructure

(Commercial construction)

Wall ties and lintels

Timber Frame in Construction

Wall ties – these tie the internal and external walls together, giving stability.

Lintels – bridge any openings in walls and support brickwork above.

Approved document L covers timber frame construction

Function of the building

Timer Frame Construction

Introduction

Incorporating RSJ

Traditional (Brick and Block)

Domestic low Rise Construction

Commercial

Residential

Public use

Retail

Leisure

Health care

All have impact on design considerations !

External Wall section

Timber frame construction

Quick

Easy to erect

Minimises wet trades

What is a superstructure ?

Mind Map the common systems used how the type of function impacts the buildings design / construction

Use full links

www.woodcampus.co.uk

www.woodforgood.com

Brick Bonds

Maximum strength

lateral stability

Acceptable appearance

Internal walls

Blockwork – covered with plasterboard. Low thermal and sound insulation.

Metal stud partition – similar to timber but using metal.

Timber stud partition – quick to erect. Clad in plasterboard and insulation can be used.

When might these walls be used?

https://www.itslearning.com/ContentArea/ContentArea.aspx?FolderID=229098&LocationID=1448&LocationType=1

In groups of 2 list the procedure for installing a timber frame partition

Key Term

What is a critical dimension ?

The future of construction

Resiential / commercial build

Commercial Low rise (Steel Frame)

Advantages of Steel Frame Construction

Mortar

Achieve long spans

Quick to construct

Prefabricated off site

Minimises labour requirements

http://www.willmottdixongroup.co.uk/assets/p/o/pomwoolwichcentral.pdf

Mortar is used in bricklaying for bedding and jointing the bricks when building a wall.

What materials are used to produce mortar?

Mortar materials are kept dry before adding water. Why?

What are the advantages of mixing by machine?

Bonding

Research - the properties of mortar & and answer the questions

Bonding is the different patterns formed when lapping bricks.

Half brick lap is the most common type of bond.

Bonding gives more strength to a wall and also distributes heavy loads.

What problems might you have with walls without bonding?

Research task - What other types brickwork bond are in construction

Modern Methods In Construction

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