TIMBER AS A BUILDING MATERIAL. CLASSIFICATION OF TIMBER GROWTH OF TREES DURABILITYSTRENGTHREFRACTIVENESS.

Slides:

Advertisements

Similar presentations

Engineered Lumber

Advertisements

Lumber Grading.

Introduction to Woods 1 Close up of Vessel & Cell.

Diseases and Defects Trees are living organisms so they are prone to diseases and defects. Diseases and defects affect the strength and quality of the.

Timber Structures Sawn Lumber Glulam Plywood.

1 Defects in timber Grade 8. 2 objectives What are defects in timber Types of timber defectives knots Shakes Waney edge Dry rot.

CRAFT & DESIGN SOLID TIMBER Woods are classified into two main groups, softwoods and hardwoods. You should try to understand the main differences between.

Conversion of Timber. Trees are cut down during winter as there is less growth, therefore less sap After felling trees are transported to sawmills to.

timber 7. H E A D L I N Carpentry General Advantages of Timber

Mechanical Properties MAJOR PROPERTIES: 1.Strength 2.Stiffness Defects are not controllable in large sized pieces Full sized members are not homogenous.

Unit 1004 Produce basic woodworking joints © Pearson Education 2010 Printing and photocopying permitted Learning Outcome 4 Know about selecting materials.

Timber Defects. Knots A hard cross grain mass of wood that is formed in the trunk of a tree where a branch grows. Knots spoil the appearance and reduce.

J.Byrne  What name is given to this defect?  Can you name each of the defects to these converted boards below. J.Byrne 2013 __________________.

Conversion of Timber.

C hapter 8 Wood and Wood Products Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. After studying this chapter,

GradingGrading Sorting of products into groups with similar characteristics and properties Structural grade Appearance grade Specify product by calling.

PALESTINE UNIVERSITY BUILDING MATERIAL Chapter No. 4 Timber.

timber Carpentry General Advantages of Timber Use of Timber.

 Key Learning ◦ There are many important factors to take into consideration when choosing the type of lumber.  Unit Essential Question ◦ What considerations.

HARDWOOD LUMBER. CROSS SECTION OF A TREE GRADING HARDWOODS Hardwood lumber is graded on the basis of the size and # of cuttings which can be obtained.

WOODS Woods are generally classified for construction purposes as either hardwood or softwood. Hardwoods are woods produced from the broadleaf or deciduous.

Lumber Section II. Lumber Structural Strength Depends on species and grade, and the direction in which the load is acting with respect to grain of the.

Lumber one of the World’s oldest construction material.

SELECTING WOOD & LUMBER

Chapter 8 Wood and Wood Products.

Source Natural Origin Europe, Scandinavia Properties and features: Easy to work, relatively cheap, readily available. May contain knots, which weaken.

ENGINEERING MATERIAL CHAPTER NO.5 TIMBER

Floor Framing Unit 29.

Structural Components

Fire Scar Fire Scar with dates Fire scars.

Selecting and Identifying Materials

Selecting Wood and Lumber Mr. Rodriguez Ag Mechanics.

Lumber Wood. Tree Growth  1.Dead Bark – Protective Layer  2.Living Bark – Composed of hollow longitudinal cells that conduct nutrients down the truck.

Chapter 3 Wood. Qualities of Wood THE MATERIAL WOOD IS: StrongLight Easily handled, worked, & shaped Fastened quickly & economically RecyclableBiodegradable.

W OOD 1. B UILDING M ATERIALS -L UMBER  Definitions:  Boards: Wooden members less than 1 inch thick.  Lumber: Wooden members that measure from 1 to.

HARDWOOD LUMBER.

Wall and Ceiling Construction

WHAT I WANT TO BE WHEN IM OLDER! CAPENTER AND JOINER.

Selecting and Roughing Out Lumber.

timber in internal applications Material Basics Timber and Wood Products Basic material properties and characteristics.

 There is an enormous selection of different timbers available. This range can be split into two groups:  Softwoods  Hardwoods.

Sirodgze2010.  HARDWOOD – ‘deciduous’ broad leaves ex: narra, yakal, kamagong oak, walnut, maple, etc. SOFTWOOD – ‘coniferous’ needle-like leaves ex:

Its Best to Recognize Woods

Left side Right side Couch Fireplace T.V Christmas Tree Christmas Tree Door Stairs Window Table Act 1 (people)

1BED & 2 BED APARTMENTS – TOTAL 40 UNITS TOP FLOOR BRICK WORK IN PROGRESS.

TASK – Start a mind-map for wood types

State Practice Exam Wood Characteristics.

Materials. Mahogany Hardwood Easy to work with Straight grain Looks good when a finish is applied Can be expensive Not environmentally friendly Indoor.

Bamboo Roofing Sheets Bamboo Outdoor Furniture.

Oriented Strand Lumber

The Wood Working Industry

Wood Structure Wood Structure.

Timber Conversion J.Byrne 2012.

Materials & Components

Wood and wood products.

•Connecting to the Foundation & Bearing

Wood and wood products 11/9/2018 Building Materials Sofia Sebastian.

Unit 1 Building Materials

Fire Scar Fire Scar with dates Fire scars.

Industrial Technology Timber Stage 5

Timber Defects.

Defects in timber Defects are blemishes in timber that reduce the quality and utility value of timber.

Building Materials.

Tree Conversion.

Wood as a building material

INTERACTING ICT ACROSS THE CURRICULUM TASK 2: POWERPOINT PRESENTATION NAME: Navitalai Logaivau ID#

Presentation transcript:

TIMBER AS A BUILDING MATERIAL

CLASSIFICATION OF TIMBER GROWTH OF TREES DURABILITYSTRENGTHREFRACTIVENESS

DEFECTS CAUSES OF DEFECTS DEFECTS IN TREE DURING IT’S GROWTH DEFECTS IN TREE AFTER FELLING DEFECTS IN TREE DURING SEASONING DECAY AND DISEASES IN TREE

DEFECTS AND DECAY IN TIMBER CENTRE HEART/HEART SHAKES BOW TWISTED GRAIN KNOTSWANE SLOPE OF GRAIN FOXINESSCUPPING

HEART SHAKES

BOW

TWISTED GRAIN

KNOTS

WANE

SLOPE OF GRAIN

CUPPING DEFECTS

USES OF TIMBER AS A BUILDING MATERIAL BEAMSTRUSSESRAFTERS JOISTS IN FLOORS DOORS FRAME AND SHUTTERS WINDOWS FRAME AND SHUTTERS STAIR CASES POLESPILESCOLUMNS

WOOD PRODUCTS OF TIMBER VeneersPlywood Particle board Fiber boards Batten boards : Block boards and laminated boards

BAMBOO AND CANE AS AN ALTERNATIVE SOURCE OFTIMBER BAMBOO AS PLYWOOD BAMBOO AS VEENERS BAMBOO AS PARTICLE BOARDS BAMBOO AS BATTENS BOARDS BAMBOO AS POST etc.

BAMBOO AN ENDOGENOUS TREE

BAMBOO A BUILDING MATERIAL

BAMBOO AS FLOORING MATERIAL

TIMBER STRUCTURES

TIMBER FLOOR, CEILING,WALL AND FURNITURES.

TIMBER AS A STRUCTURAL MEMBER

-THE END-