JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 47

Application Composite flooring makes for versatile trailers The design trend of dry van trailers in North America includes technologies to reduce weight and improve the longevity of trailers. It is no surprise that the next generation of trailers is currently built with glass fibre reinforced oak flooring, a perfect combination of durable oak and high strength composite. GOPAL PADMANABHAN, VP - PRODUCT ENGINEERING, BRUCE BADER, PRESIDENT, HAVCO WOOD PRODUCTS LLC A durable, versatile trailer floor T he lifetime of van trailers is normally estimated to be about seven years. In recent times, the transportation industry has been making efforts to engineer trailers so that their lifetime can be extended to ten years or more. Moreover, weight reduction has become necessary due to the high cost of fuel. The transportation industry is also aiming to reduce maintenance costs by specifying more durable parts. Large transportation companies need to operate standard trailers in varied applications such as general freight and specialized transport of heavy and weightsensitive loads like paper rolls and beverage, or tough use in the automotive industry. A durable and versatile trailer is a flexible and productive asset. However, fleets do not like to add weight to trailers by using a heavier conventional floor system to obtain the needed higher load ratings for the versatile trailers. These demands are being solved by incorporating high strength composite materials. Many fleets are willing to bear a higher upfront cost for durable, lighter and versatile trailers since they provide tangible benefits during road service and have a higher trade-in value. since 2000. Composite flooring offers higher strength, resistance to fatigue, moisture protection, longer life, and weight savings compared to conventional wood flooring. Composite flooring has a thin layer of glass/epoxy panel adhesively bonded to the bottom side of each laminated oak floorboard. Typically, eight floorboards make up a trailer floor. A polyurethane hotmelt adhesive is used for bonding the composite panel to oak. The top side of each composite floor board is composed of laminated oak as in conventional wood flooring (Figure 1). Surface characteristics of wood, appearance, nailability, installation method, etc., are preserved while the high strength, environmental resistance and fatigue resistance of Fig. 1: Top sides of composite and conventional wood floors are identical Composite flooring Laminated oak flooring has been successfully used in dry-van trailers for more than four decades in North America. Due to its natural properties like high strength, resistance to decay, nailability, wear resistance and plentiful availability, oak is the preferred hardwood for making van trailer flooring in North America. Even though conventional wood floors can be strengthened by adding additional cross-members, there is a significant weight penalty. Stronger, lighter and fatigue-resistant composite flooring has been developed by Havco to address this issue. Composite flooring is made of laminated oak boards and glass fibre reinforced epoxy panel. This product has been field tested and road-service proven in trailers for more than ten years. It has been commercially produced Fig. 2: Underside of composite flooring in a van trailer shows the glass/epoxy reinforcement glass/epoxy panel are additionally incorporated into the flooring. The mechanical strength properties of the composite flooring (Figure 2) are significantly higher than those of the conventional wood flooring. This aspect allows the use of thinner composite boards leading to weight savings of about 103 kg per trailer. No36 October - November 2007 / JEC Composites Magazine

JEC COMPOSITES MAGAZINE - Issue #36 - October 2007

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #36 - October 2007

- Trends
FEATURE: TRANSPORTATION
- Measurement
Edito
BUSINESS
- Innovations
- Niche markets
- Companies
- Application
- Successful partners
- Composites in the world
CONTENTS
KNOW-HOW
- Process
USERS’ PLATFORM
- Market
- Market survey
NEWS WORLDWIDE
- Prototyping
- Agenda of events
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 1
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 2
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - Edito
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 4
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 5
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - CONTENTS
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 7
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - NEWS WORLDWIDE
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 9
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 10
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 11
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 13
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 15
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 16
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 19
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 20
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 21
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 22
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 23
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 24
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 25
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Trends
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 27
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Niche markets
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - FEATURE: TRANSPORTATION
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Market
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 31
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 32
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 33
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Application
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 35
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 36
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 37
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 38
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 39
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 40
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 41
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 42
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 43
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 44
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 45
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 46
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 47
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 48
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - USERS’ PLATFORM
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 51
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Successful partners
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 53
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 54
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 55
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 56
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Prototyping
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 59
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 60
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 61
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Process
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 63
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 64
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Measurement
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 66
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 67
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 68
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