MATERIALS-TIMBER

INTRODUCTION
The timber is obtained by felling of trees.
Timber is used due to following reasons
climate
avaibility
site

HISTORY
Since timber was abundant in Japan it was chiefly used for construction

Timber resists earthquake.

The timber joinery is flexible.


Initially greek columns and entablature were in timber.
Later timber forms were imitated in stone with remarkable exactness, so greeks are called ‘carpenters in marble.
Since greeks did not have proper tools carving stone, timber was used.

MAIN-DANUBE CHANNEL FOOTBRIDGE, GERMANY

The site is in abroad flat river valley, between steep wooded slopes where there is an an ancient castle and picturesque village of Essing.
The bridge has a close engagement of surroundings and landscape.

ALLWELT HOUSE -WILLIAM TURNBULL

The house is traditional on outside , unique on the inside , appropriate to its context both formally and climatically due to use of timber.

FINNISH PAVILLION -ALVAR AALTO

The interior finish was of wood with different profiles so formed to create a harmonic rhythm of material and presentation of materials.
The pavillion is 52 ft high consisting of 4 storeys

BRANT HOUSE -ROBERT VENTURI

A house constructed for young people who wanted to house their collection of pop art paintings and art deco and accomodate their growing family.
To merge with the lightly wooded site timber is used for construction.

VERNACULAR ARCHITECTURE

Timber is used in vernacular architecture of Maharashtra
Timber is avaiable in the dense forests.
The post and beam construction is used.
Timber helps in maintaining cool interiors



The house is from south India.
The is built entirely in timber with pitched roof covered with manglore tiles
The plinth is in bricks.
Timber is a local material and is climatically suitable for hot and humid south India.

CONSTRUCTION TECHNIQUES
The timber after felling of trees cannot be used directly due to the large sap content.
So it has to undergo the process of seasoning.
Timber can be bent.
Timber cannot be bolted ,it can be only nailed.
The strength of the timber member is more when the forces are acting perpendicular to the grains.

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