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TertuCrossingsGangways and bridges madefrom wood or steel & woodcombining simplicityand performances
• Proven feasibility for a wide range
of spans.
• Economic and durable solutions
well suited to the purpose.
• Lightweight constructions
with great strength.
• Easy to install.
Discover the range
Rustic gangways
The design of these structuresis so famous that Tertu gangwaysare still a talking point.The use of large round logs is a signof original know-how, which allowsfor specific developments.
Douglas fir:the speciewith a big heart
On account of its structure,
the Douglas fir is a natural choice
as it is an exceptional material in
terms of quality and natural
durability. Its heart is deemed
to be rot-proof.
By 2015, France will have
the largest Douglas fir resource in
the world.
A leader in the use of the Douglas
fir since the 1980s, Tertu has
continued to develop, using this
wood in increasingly sophisticated
applications: guardrails,
sound barriers and protection,
gangways, bridges and other
crossings.
Tertu Crossings
Tertu’s international development has
enabled us to acquire expertise in
deployment in wide-ranging geographical
environments.
Pre-sales, we select the most appropriate
wood or wood & steel solution for you
from a complete, homogeneous range.
After sales, we shall be at your side during
and after installation. If necessary, the
design of the system facilitates repairs,
which are carried out quickly in a spirit of
partnership.
Expertise100% service:the coordination
WHEN TIMBER LEADS
TO INNOVATION
Impre
ssio
n C
aen R
epro
02
31
95
27
66
Pressure-treated woodwith chromium andarsenic-free preservatives
Tel. : +33 2 33 36 11 02 Fax : +33 2 33 39 28 75
WHEN TIMBER LEADSTO INNOVATION
Motorway
Tertu Crossings
From the design of the structure – gangway
or bridge – to its quick and easy construction,
Tertu can provide all services on request.
Whenever possible, we make our gangways
from solid wood, giving priority to round
wood to retain the structural qualities of
the material and increase mechanical
strength. Where the loads exceed operating
limits, we assemble mixed wood & steel
structures.
Design your project:we will direct those involved
Its mechanical performance and ecological balance give wood a dual advantage over
inert materials.
• Impact resistance: wood absorbs shock. In contrast to the extreme rigidity of
steel and concrete, wood responds with flexibility which diffuses the shock wave instead
of blocking it.
• Protecting the environment: wood sets itself apart. Wood stores CO2 whereas
concrete and steel release it in great quantities during their production cycle, with the
all too familiar consequences for the ozone layer
Tertu, the world’s leading manufacturer of wood & steel guardrails, has unrivalled
experience with this combination of materials.
Wood:a material for the 21st century
Designnotes
Tertu gangways and bridges
comply with the standards in
force. They pass the loading tests,
in accordance with fascicule 61
of the CCTG (design, calculations
and structural testing),
with guaranteed compliance.
The design notes are based on
the following DDE (French Road &
Infrastructures Administration
fascicule:
- CB 71 (design rules for wooden
frameworks)
- CB 61 (design and calculation of
bridges and steel structures).
Two types of crossings
Tertu Gangways: safety is optimized by
calibrated and physically constraining
"openings" which adapt to the dimensions
of the equipment delivered.
Tertu Bridges: the company makes an overall
commitment, which can go from the start of
design to the coordination of checks.
Tertu pedestrian gangways,
solid wood up to 9 meters and mixed
metal/wood beyond with an acceptable
load of 450 Kg/m2. Could be equipped
with normalized pesdestrian parapet
(according norm XP98-405), T100 type.
Short span Tertu bridges
for 3.5T vehicles,
designed case by case for maximum 12 m
span projects.
Pedestrian parapets reinforced T100 with
T18 or T22.
The development
of road bridges designed
to support heavy loads,
in accordance with standards
laid down by the regulations,
has led Tertu to evolve towards
new assembly technologies.
This experience benefits
production and contributes
to the performance
of structures.
Moving forward
To provide access with extended guardrailsfor pedestrians, cyclists or even horses
• Easy to install and maintain.
• Light and strong.
• Attractive and durable.
• Advice and coordination
to complete the project together.
Pedestrians gangways
Tertu pedestrian gangways consist of a
steel structure with wooden cladding for
long spans (9 m and more) or structure
of large logs (dia. 280 cm) for shorter
spans (up to 9m). Designed for an
operating load of 450 Kg/m2, they
always come with their calculations booklet.
Their guardrails with vertical bars comply
with the standards concerning children
(11 cm between the bars).
They are supplied assembled when passage
width and length do not exceed 2.12 m
and 12 m respectively. In other cases,
they are assembled on site by Bois de
Tertu partner contractors.
They are laid on concrete abutments or
piers made of logs and are secured using
a simple system that allows the wood to
move.
In association with design offices,
Tertu is constantly looking for
new uses of wood in structures
and assemblies.
The combination of wood
and steel is also an integral part
of its history and that is why
Tertu is happy to offer such
a combination for greater safety
and improved appearance.
Pedestrians gangways
Span from 6.00 m to 50 m.
Delivered assembled up to 12 m.
Components to be connected for greater
lengths. Ref : PO 102 A
Straight mixed wood & steel right gangway
Galvanized steel structure, wooden cladding
Grooved wooden decking 36 mm thick
Passage up to 2.12 m.
All gangways can be delivered
for openings of more than
2.12 m. In this case, they are
subject to a special study
concerning their transport
and/or on-site fabrication.
Very often, access to the
location is the biggest problem
for gangway projects.
You should therefore check
accesses for heavy goods
vehicles and cranes (ground
stability, electrical and telephone
lines, winding access roads,
etc.).
Tertu gangways and bridges
comply with the French
standards in force. They satisfy
the loading tests, in accordance
with fascicule 61 of the CCTG
(design, calculations and
structural tests),
with guaranteed compliance.
The design notes are based on
the DDE (French Road &
Infrastructures Administration)
fascicules with the following
references:
CB 71 (design rules for wooden
structures)
CB 61 (design and calculation
of steel bridges and
constructions).
MIXED METAL WOOD PEDESTRIAN GANGWAY
HIRSON
Delivered assembled
Ref : PO 101 A
Solid wood gangway
Grooved wooden floor 36 mm thick
Passage up to 2.12 m
Span up to 9.00 m
SOLID WOOD PEDESTRIAN GANGWAY
CAMARGUE
Grooved wooden decking 36 mm thick
Passage up to 2.12 m
Span from 12.00 m
Ref : PO 102 E
Curved mixed wood & steel Gangway
Curved galvanized steel structure, wooden
cladding
MONTFORT
e-mail : [email protected]
www.tertu.com
Pressure-treated wood with chromium and arsenic-free preservatives
WHEN TIMBER LEADS TO INNOVATION
SUPPLIER:-
More efficientand more attractiveAll wood or wood & steel gangways,combining technology and simplicity.
• Easy to install and maintain.
• Lighter for the same load bearing capacity.
• Durability.
Gangways for light vehicles
Douglas fir has always been used for the
construction of bridges, some of which
are more than a hundred years old and
are now famous in Canada.
A steel structure with a wooden cladding
for long spans.
Or a structure of large logs (diameter
280 cm) for shorter spans.
Thanks to this experience, Tertu is designing
a gangways range for light vehicles up
to 3.5T.
Always at the cutting edge
of research, Tertu is working
with the Polytechnikum
in Lausanne to take its research
further.
New designs, new assemblies
and new uses wood…
Gangways for light vehicles
Passage: unlimited for delivered to be
assembled. Maximum of 3.00 m for delivered
assembled.
Vehicle up to 3.5 T - Ref : PO 102 C
Gangway: steel beam, grooved wooden
decking.
Guardrails: mixed wood & steel safety
barrier + guardrails.
Design notes
Tertu gangways and bridges
comply with the French standards
in force.
They satisfy the loading tests,
in accordance with fascicule 61
of the CCTG (design, calculations
and structural tests),
with guaranteed compliance.
The design notes are based
on the DDE (French Road &
Infrastructures Administration)
fascicules with the following
references:
CB 71 (design rules for wooden
structures)
CB 61 (design and calculation of
steel bridges and constructions).
SIXT
MIXED WOOD & STEEL GANGWAY FOR LIGHT VEHICLES
61160 Villedieu-les-Bailleul •
France
Tel. : +33 2 33 36 11 02 •
Fax : +33 2 33 39 28 75 e-
mail : [email protected] •
www.tertu.com
Pressure-treated woodwith chromium andarsenic-free preservatives
WHEN TIMBER HITS THE ROAD
SUPPLIER:-
Pathsand boardingPontoons and decking are usedfor access to beaches, dunes, rivers, lakesand forest paths
• Good adaptability to site configuration.
• Easy and quick to install.
• Blend into the landscape.
Pontoons and decking
In comparison with gangways, pontoons
and decking have short spans of not
more than 4.00 m, which enables us to
design much smaller structures. This
naturally reduces the price of bridges
and pontoons and makes installation
easier.
Their design is simple and they are
delivered unassembled where their
locations are difficult to reach by vehicles
and when the geometrical configuration
of the site does not allow for simple
pinning.
Pontoons and decking are very
often built in protected and
sensitive areas and must meet
the ecological expectations of
customers.
They are made from wood
treated with a chromium
& arsenic free preservative.
Pontoons and decking
Hardware, drilling to be carried out
during assembly - Passage 1.50 m
Delivered ready to be assembled
Ref : PO 104
Equipment for pontoons:
Grooved wooden decking 36 mm thick
12 cm diameter beams – 10 cm diameter
spars - Posts, dia. 14 cm every 2.00 m
The decking planks have
8 non-slip grooves
and two drop edges. They are
laid in a minimum gap of 5 mm
using screws (stainless steel
recommended: pre-drilled holes
required)
SAINTE MARIE - Solid wood
Made of treated Douglas fir or Heart
of Douglas fir; grooved strips
145 mm x 36 mm in 4.00 m
Ref : AM 105
145 mm x 45 mm en 4.00 m
Réf : AM 107
145 mm x 80 mm en 4.00 m
Réf : AM 109
Made of treated Douglas fir or Heart
of Douglas fir, grooved planks 36 mm
thick, fixed using stainless steel screw
to a wooden frame made up
of 2 planed, braced rabbet borders.
Width 2.00 m, length 4.00 m, total
thickness 150 mm
Delivered assembled
Ref : ME 201
DECKINGPanels Strips
Grooving
WOODEN PONTOONS
61160 Villedieu-les-Bailleul •
France
Tel. : +33 2 33 36 11 02 •
Fax : +33 2 33 39 28 75 e-
mail : [email protected] •
www.tertu.com
Pressure-treated woodwith chromium andarsenic-free preservatives
WHEN TIMBER LEADS TO INNOVATION
SUPPLIER:-