Timber refers to wood suitable for building or engineering purposes. It is used to make furniture, packaging, tools, toys and other wood products. Timber comes from the trunks of trees and is composed of heartwood, sapwood, and bark. Softwoods and hardwoods have different characteristics like weight, color, strength properties. For timber to be of good quality, it needs properties like being free from defects, uniform color, and clear ringing sound. Seasoning reduces the moisture content in wood to prevent warping. Preservation methods like painting, tarring and chemical treatment protect timber from fire, fungi and insect attacks. Common wood products include veneer, plywood and other composite wood materials.
The process of removal of moisture content from wood, so as to make it useful for construction and other uses, is called drying of wood or seasoning of wood.
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slide share
slideshare ppt
The process of removal of moisture content from wood, so as to make it useful for construction and other uses, is called drying of wood or seasoning of wood.
types of seasoning in wood
artificial seasoning of wood
how to season firewood quickly
chemical seasoning of timber
seasoning of timber
wood seasoning process
types of seasoning of timber
different types of seasoning wood
water seasoning of timber
seasoning of timber pdf
natural seasoning timber
chemical seasoning of timber
reasons for seasoning timber
kiln seasoning of timber
seasoning defects in timber
air seasoning wood
types of seasoning in wood
seasoning of timber pdf
natural seasoning timber
chemical seasoning of timber
reasons for seasoning timber
kiln seasoning of timber
seasoning defects in timber
natural seasoning timber
water seasoning of timber
seasoning of timber pdf
chemical seasoning of timber
reasons for seasoning timber
disadvantages of artificial seasoning
seasoning defects in timber
kiln seasoning of timber
water seasoning of timber
seasoning of timber pdf
natural seasoning timber
methods of seasoning timber
reasons for seasoning timber
kiln seasoning of timber
seasoning defects in timber
louisiana shrimp boil seasoning
seafood boil seasoning ingredients
seafood boil seasoning mix recipe
homemade seafood boil seasoning recipe
seafood boil seasoning
shrimp boil seasoning mix recipe
louisiana crawfish boil seasoning recipe
homemade crab boil seasoning
types of seasoning in wood
air seasoning wood
wood seasoning process
seasoning wood for burning
seasoning ash wood
artificial seasoning of wood
seasoning wood for woodworking
different types of seasoning wood
slide share
slideshare ppt
definition of timber, defects, sources of timber, seasoning of timber, components of timbers
classification of timber, advantages of timber, disadvantages of timber.
TIMBER -
AN INTEGRAL PART OF OUR DAY TO DAY LIVES
TIMBER ITS DEFECTS, SEASONING AND USAGE IS DISCUSSED IN HERE WITH APPROPRIATE PICTURES MAKING IT QUITE SELF UNDERSTANDABLE
Timbers: Varieties of Indian timber, Characteristics and suitability
for different uses, Defects in timber, Diseases and decay in timber, Preservation and
Seasoning, Veneers, Fiber boards, Block boards
definition of timber, defects, sources of timber, seasoning of timber, components of timbers
classification of timber, advantages of timber, disadvantages of timber.
TIMBER -
AN INTEGRAL PART OF OUR DAY TO DAY LIVES
TIMBER ITS DEFECTS, SEASONING AND USAGE IS DISCUSSED IN HERE WITH APPROPRIATE PICTURES MAKING IT QUITE SELF UNDERSTANDABLE
Timbers: Varieties of Indian timber, Characteristics and suitability
for different uses, Defects in timber, Diseases and decay in timber, Preservation and
Seasoning, Veneers, Fiber boards, Block boards
The terms “hardwood” and “softwood” are often misleading because they have no direct relation to the actual physical hardness or softness of the wood, so that a hardwood may actually be softer than a softwood.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
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Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
2. TIMBER
Timber:
Wood suitable for building or other engineering purposes
is called timber.
Uses of Timber :
Timber is used for the following categories of works:
1. For Furniture and cabinet making.
2. For light packing cases.
3. For heavy packing cases (for machinery).
4. For making tool handles, toys and turnery articles.
5. For making veneers and plywood.
3. STRUCTURE OF TREE
On examining cross
section of tree it is found
that there is a series of
consecutive rings. These
rings are called annual
rings and each
represents the growth of
one year.
Pith:
It is the first formed portion
of the stem of tree,
around which the annual
rings are formed.
4. STRUCTURE OF TREE
Heart Wood:
Innermost rings surrounding
the pith constitute the
heart wood. This wood is
darker in color, stronger,
more compact and
durable.
Sapwood:
Outer annual rings of the
tree constitute the sap
wood . Compared with
heart wood, sap wood is
lighter in color, weaker and
more liable to decay.
5. STRUCTURE OF TREE
Bark:
It is the outermost protective
covering of cells and
woody fibres on a tree.
Cambium Layer:
Outermost one ring between
the bark and sapwood
which is not yet converted
into wood is known as
cambium layer. In due
course, cambium layer
changes to sapwood.
7. CHARACTERISTICS OF SOFT WOOD AND
HARD WOOD:
Soft woods:
1. It is light in weight and color.
2. Annual rings are very distinct.
3. It is comparatively weaker and spilts easily.
4. It is strong for resisting tensile forces.
5. Its texture is soft and regular.
They are evergreen. Deodar, Chir, pine are the best
examples.
8. CHARACTERISTICS OF SOFT WOOD AND
HARD WOOD:
Hardwood:
1. The wood is comparatively heavier and is darker
in color.
2. The annual rings are not distinct.
3. It is hard and difficult to work upon.
4. It resists shearing stresses.
They include oak, teak, she sham are the best
examples.
They have broad leaves they shed their leaves.
9. COMPARISON OF SOFTWOOD AND
HARDWOOD
* Resin in the most specific use of the term is a hydrocarbon secretion
of many plants, particularly coniferous trees. Resins are valued for their
chemical properties and associated uses, such as the production of
varnishes, adhesives and food glazing agents.
10. CHARACTERISTICS OF GOOD TIMBER
1. It should be from the heart of a sound tree
and be free from sap.
2. It should have straight and close fibres.
3. It should be of uniform color.
4. It should give a clear ringing sound when
struck. Dull heavy sound is a sign of
internal decay.
5. It should have regular annual rings.
6. Timbers with narrow annual rings are
generally the strongest.
11. CHARACTERISTICS OF GOOD TIMBER
7. Freshly cut surface should give sweet smell.
8. It should have bright and smooth surface when
planned. Dull appearance is a sign of defective
timber.
9. Out of same variety of timber, darker and heavier
pieces are stronger.
12. SEASONING:
The purpose of seasoning is to reduce the moisture
content in the wood to a level appropriate to the use
of the objects made from the wood. This prevents
changes in the dimensions and shape of the
objects, eliminates wood rot, increases the strength
of the wood, reduces the weight of the objects,
strengthens glued joints, and improves the quality
of finishing.
Timber contains 70 percent of moisture .the
objects made of wood be deformed whether the
moisture penetrates or absorbed. Therefore
seasoning of wood is done in order to ensure that
they don’t deteriote the object.
13. METHODS OF SEASONING
Natural seasoning
The older method in which the timber is subjected
to controlled temperature, proper aeration is known
as natural seasoning.
Artificial or kiln seasoning: The
environment in which the wood subjected to hot air
blown by us under our control is known as kiln or
artificial seasoning.
Chemical seasoning: We coat a certain
chemical which has low vapour pressure.
14. TIMBER
Wood/timber is destroyed by three agents
Fire burners: Timber is combustible material. It can
catch fire but cannot catch it by itself. It is inflammable.
We can retard the time of fire by certain chemicals such
as boric and aluminum phosphate which would produce
moisture and retard the fire spreading.
Fungus: This is a plant which is not capable of
producing. Its food depend on other materials 30 %of
moisture present are favorable for fungus.
Insect attack:(beetle, wasps, termite) termites are
very important .it is very difficult to control its attack.
heptachloro was used previously to prevent termite.
15. PRESERVATION OF TIMBER:
Methods of preserving:
Painting: A paint when applied to timber acts not
only as a good preservative but also it enhances
the appearance of the surface so treated.
Charring: lower ends of the posts that are to be
embedded in the ground are generally charred with
a view to prevent dry rot and attack of worms.
Tarring:
It consist in coating with tar. Embedded portions of
timber fence posts, ends of door and window
frames are usually tarred.
16. WOOD PRODUCTS
Veneer boards:
Veneers are those thin sheets of wood that are
peeled off, sliced or sawn from a log of wood
having attractive and artistic arrangement of grains.
Logs of wood are converted into veeners by either
rotary veneer cutters or by veneer slicing machines.
Thickness of these sheets varies from 0.4mm to
6mm. These veneers are glued to inferior timber
surfaces to improve the appearance and to form
decorative and artistic designs.
Walnut, teak and rose wood are timbers commonly
used for conversion into veneers.
17. WOOD PRODUCTS
Ply wood:
Veneers used for making plywood are
known as piles and plywoods are made by
glueing together piles in odd numbers. It is
one of the most widely used wood products.
It is flexible, inexpensive, workable, re-usable,
and can usually be locally manufactured.
Plywood is used instead of plain wood because
of its resistance to cracking, shrinkage,
splitting, and twisting/warping, and its general
high degree of strength.