rock fall protection avalanche protection rock and

Transcription

ROCK FALL PROTECTION
AVALANCHE PROTECTION
ROCK AND SLOPE STABILISATION
PRODUCT CATALOG
1
Contact
2
General Information
3
Rock-fall Protection
4
Avalanche Protection
5
Rock and Slope Stabilisation
6
Gabions
7
Single Components
8
Invitation of Tender Texts
9
Brochure
10
Contakt
TRUMER SCHUTZBAUTEN GMBH
Project Office
Weißenbach 106
A-5431 Kuchl
Tel.:
Fax:
+43 6244 20325
+43 6244 20325-11
E-Mail: [email protected]
Web: www.trumerschutzbauten.com
Headquarter
Maria-Bühelstraße 7
A-5110 Oberndorf
Production
Handelsstraße 6
A-5162 Obertrum am See
SAFETY BY COMPETENCE
General Information
Development of the company
Trumer Schutzbauten GmbH was founded in 1991. Since January 2004 the
company’s head office has been in Oberndorf near Salzburg. Up to 1996 the
company was trading in well-known products which were used for avalanche and
rockfall protection systems. In 1996 Trumer Schutzbauten GmbH started the
development of the Omega-net. The production of this protection system started in
the same year. In 1996 the company applied for the patent on this net in Switzerland
and shortly after, in 1997, for the European patent. Since 1997 the company has
been producing the Omega-net in Obertrum. Due to a constantly rising demand, an
expansion of the production plant was necessary in 2001.
Product Spectrum
Since the late 1990s, Trumer Schutzbauten GmbH has been offering various
protection systems in the sector of avalanche and rockfall protection. Due to their
modular configuration, these systems are easy to install and easy to adapt to
topographical features. The great flexibility of the systems allows the absorption and
reduction of great kinetic energies. The Omega-net is also used as a preventive
measure for slope and rock stabilisation and for special devices (e.g. afforestation
nets). Furthermore, gabions and various mesh and wire netting products add to the
wide spectrum.
Test Site Erzberg
Trumer Schutzbauten GmbH is always interested
in the further development of their products.
Rockfall protection systems are developed and
tested on the Styrian “Erzberg”, in close cooperation with institutes of the University of
Leoben. For this purpose, a test site was created.
It allows the carrying out of in-field tests and,
presently, energy impacts up to 1000 kJ.
The test site is also available for the testing of
products of other companies.
Appendix – General Information
Omega-net in rock-fall protection system
Product Description Omega-net
The Omega-net by Trumer Schutzbauten GmbH consists of single, wave-like
forebent wire ropes which are intertwined. The ropes are made of thickwired,
galvanised spiral ropes which touch each other at the cross points but which are not
connected with each other as no clamps are used. This condition makes the Omeganet very flexible yet due to the stiffness the ropes also absorb high energy impacts.
As experience shows, the system is easy to install and to maintain:
¾ The product is delivered in
compact packages
¾ The net installation can be carried
out quickly, easily and without
further aids
¾ The flexibility of the net allows an
ideal adaptation to the area
¾ Defective ropes can be replaced
on the spot with the help of simple
aids
For rockfall nets a spiral rope of 7 or 19 wires
with diameters of 6.0mm, 7.5mm, 9.0mm or
12.5mm is used, according to standards. The
curve diameter of the forebending is 125 to
300mm. The tightness of the mesh is adapted
to the features of the location.
Rockfall protection system for an energy impact of 500kJ
Product Description
Rock-fall Protection Systems
Area of Application
Rock-fall Protection Systems serve as secondary protection in possible deposit areas
of rock falls and rock avalanches. They are used for the protection of inhabited areas
and highways.
Basis
Experience gained in decades of international work on rock-fall protection and in-field
tests form the basis of this kind of protection system. National standards and
international regulations are fulfilled by our system.
Installation
Rock-fall Protection Systems by Trumer Schutzbauten GmbH consist of an
interception and a support or retaining structure. The interception structure is formed
by the Omega-net with its outstanding deformability, flexibility and energy absorption.
The support or retaining structure consists of posts, bearing ropes, retaining ropes
and brake elements. The Omega-net is stretched by the upper and lower bearing
rope. Via the posts, both ropes are led to the brake elements at the edge of the
system. The occurring rope forces, which are limited by the brake elements, are led
to the ground via anchors.
Energy reduction is partly reached by plastic deformation of the Omega-net and by
energy-absorbing brake elements. The remaining energy is led to the ground via
anchors. This is done with the help of a connection structure (bearing ropes, retaining
ropes).
Characteristics
Due to their modular configuration, rockfall protection systems by Trumer
Schutzbauten GmbH are easy to adapt to topographical features.
The easy installation of the net packages, the alternatively swimming position of the
bases of the posts (no foundation necessary) and the modular configuration
mentioned above make the installation of rock-fall protection systems by Trumer
Schutzbauten GmbH easier, shorten the time of installation and therefore reduce the
installation costs up to 30 percent.
Method of Construction
The protection system consists of single parts which are combined like a modular
construction system. The length of one part is normally 8 to 12 metres. System rows
can be of any length, but generally intermediate retentions are installed in intervals of
approximately 50 metres if longer rows are used.
Characteristics Base of the Post
The base of the post can be flexible or fixed. If the flexible version is chosen, you can
distinguish between a solid position reached with a construction of anchors and
micro- posts and a swimming position with a retention of the base of the post with the
help of retaining ropes which are lying on the ground. The swimming position does
not require a foundation at the base of the post. For the installation the base of the
post is secured with an installation anchor Gewi diameter 25mm. After the
installation, the anchor nut is slightly loosened to guarantee full mobility of the base
of the post.
Installation
The light elements of the rockfall protection systems by Trumer Schutzbauten GmbH
and the easily installable construction elements make an easy and therefore time and
money sparing installation possible, even under difficult conditions.
At present, testing has been completed for the following systems:
Rock fall
protection
system
Energy level
Energy impact at
test
TS-100oA
100
123 kJ
TS-150
TS-150ZD
150
167 kJ
TS-300-oA
300
348 kJ
TS-500
500
487 kJ
SNT-500
TS-500ZD
500
553 kJ
TS-500-oA
500
606 kJ
TS-750
TS-750ZD
750
774 kJ
TS-1000
TS-1000ZD
1000
1061 kJ
Rock fall fences with
diagonal wire netting
50/50/4,6
Rock fall fences with diagonal
wire netting 50/50/4,6 ensure
effective protection against
rock falls with low energy
requirements. The diagonal
wire netting 50/50/4,6 passed testing at the Styrian Erzberg with 167kJ (impact mass
545 kg, speed 89km/h). It may also be mounted on to existing posts.
Tensile strength:
lengthwise: min. 173 KN/m
crosswise: min. 173 KN/m
Mesh number:
horizontal: 26 m-1
vertical: 26 m-1
Mesh type:
rectangular
mesh size: 50x50 mm
Wire quality:
diameter: 4,6 mm
tensile strength: 400-500 N/mm²
Corrosion prevention:
thick galvanized: 250 g/m²
Weight:
appr. 5,6 kg/m²
Delivery size:
reel width: 1,50m / 1,75m / 2,00m / 2,25m / 2,75m / 3,00m
reel length of reel: 6,00 m
APPENDIX – Rock-fall Protection
Systems
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Falling rock
protection kit
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Avalanche Protection System using Omega-Net
Product Description
Avalanche Protection System using Omega-Net
Area of Application
Avalanche Protection Systems using Omega-Net by Trumer Schutzbauten GmbH,
prevent avalanches in their first stage of occurrence. The nets are nearly invisible in
the area concerned and therefore preserve the scenery. In scenically sensitive areas
they are an aesthetic alternative to traditional snow bridges or snow grill systems.
Basis
Static calculations are carried out in accordance with the Swiss guide lines of the
BUWAL and the WSL (“Richtlinien für den Lawinenverbau im Anbruchgebiet“). Since
April 2004 there there have been opportunities to carry out static calculations for the
Avalanche Protection Systems in the company. The systems are tested in the field in
cooperation with the WLV Schwaz.
Installation
For Avalanche Protection Systems by Trumer Schutzbauten GmbH, the Omega-net
is used in rectangular and triangular form. The net is stretched by the upper and
lower bearing rope. The lower bearing rope is led to the edge of the system via
anchors, the upper bearing rope is stretched individually from post to post. The posts
are in a swimming position and are tied back on the mountain side with ropes which
are lying on the ground. A ball-and-socket joint forms the base of the post. The head
of the post is fixed on the valley side with two retaining ropes.
Characteristics
Due to their modular configuration, the Avalanche Protection Systems by Trumer
Schutzbauten GmbH are easy to adapt to topographical features.
The easy installation of the net packages, the swimming position of the bases of the
posts (no foundation necessary) and the modular configuration mentioned above
make the installation of Avalanche Protection Systems by Trumer Schutzbauten
GmbH easier, shorten the time of installation and therefore reduce the installation
costs up to 30 percent.
Advantages
One advantage in comparison with conventional triangular nets is the high flexibility
of the net which ensures an additional rock-fall protection. The optimal mesh size
makes an additional mesh layer redundant. For avalanche protection systems a 7
wired spiral rope is used which has a diameter of 6.0 or 7.5 mm and which is forebent
with a curve diameter of approximately 125 to 150 mm.
Due to the flexible choice of the anchor points, a low-cost installation is possible,
even under most difficult conditions. Slight irregularities in the area can also be
managed easily as the net functions as a strong spring between the bearing rope at
the head and the bearing rope at the base.
The compact net package and the functional support system with the retaining ropes
allow easy work on the flight preparations and on the installation.
APPENDIX – Avalanche Protection
Systems
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Product Description
For Rock and slope stabilisation Trumer Schutzbauten GmbH offers solutions with
the following nets and wire nettings:
•
•
•
•
•
Omega-net (wire diameter: 4,5mm, 6,0mm; 7,5mm; 9mm)
High performance netting 50/50/4,6
Rectangular nettings 50/50/2,5; 60/60/3,1
Hexagonal nettings 50/70/2,5; 60/80/2,7; 80/100/2,7
Other nettings can be manufactured in other wire diameters and mesh sizes on request.
For the connection of nets or nettings and ropes with bar anchors we can offer
solutions with clamping and spike plates. These plates allow a non-positive and
technically correct connection of the described components.
Clamping plate without rope connection
Clamping Plates
Clamping plates ensure lasting and non-positive connection of wire nettings, nets and ropes to
bar anchors. The wire netting or net is held in place by being sandwiched between a counter
plate screwed to the anchor plate. Clamping the cables to the anchor plate with clips provides
the power point.
Clamping plate with connection for two ropes
Designs:
Clamping plate with connection for one rope
# Clamping plate without rope connection
# Clamping plate with connection for one rope
# Clamping plate with connection for two ropes
Spike plates without rope connection
Spike Plates
Spike plates are our rock and slope safety solution, which are quick and easy to
assemble. Additionally, anchors can be drilled and set through already mounted nets
or wire nettings. Corner spikes and welded-on rounds ensure optimum interlocking
with nets or wire netting. Clamping the ropes to the spike plate with clips provides the
power point.
Bottom side of spike plate without rope
Designs:
Spike plate with one rope connection
# Spike plate without rope connection
# Spike plate with one rope connection
# Spike plate with two rope connections
APPENDIX – Rock and Slope
Stabilisation
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Gabion System
Product Description
Gabions
Trumer Schutzbauten GmbH sell gabions in various designs. The gabion baskets are
made of spot-welded mats or six-meshed double drilled wire nets.
Galvanised Mat Baskets
Galvanised mat baskets are made of standardized wires (diameter 3.5mm and
4.5mm, also available diameter 5.0mm, 6.0mm or others / mesh size 50x50mm,
50x100mm and 100x100mm, other sizes available). The tensile strength of the wires
is approximately 650 – 800 N/mm²)
The mats are produced in different sizes (e.g. 1x1, 1x0.5, 1x2, 1x2.5, 1x3, 1x3.5,
1x4). They are connected with joint spirals, the tensile rods guarantee additional
stability. The mat baskets can be easily and quickly installed.
Product Description
Single components
Omega-Net
The Omega-Net consists of individual, pre-wave formed and interwoven strands of rope. The
strands are made of thick galvanized spiral ropes, which - although meeting at intersecting
points - are not connected to each other, since no clamps are used. Delivery is in compact
packages, which can be pulled apart like a curtain, to protect against e.g. falling rocks or
avalanches.
Parameters
Strand diameter [mm]
Sheet diameter [mm]
Mesh size [mm]
Tensile strength of one strand [N/mm²]
Material mass [kg/m²]
4,5/100
4,5
110
~100
1700
~2,6
6/135
6
135
~120
1700
~3,6
7,5/135
7,5
135
~120
1700
~5,6
9/185
9
185
~170
1640
~6,0
Corrosion prevention
Thick galvanisation:
Zinc layer appr. 250g/m²
Sizes
The Omega-Net is usually custom-made for individual projects. This enables clients to
specify lengths and widths at the time of placing an order. Additionally, Omega nets can be
manufactured, in other rope diameters and mesh sizes on request.
High Performance Netting 50/50/4,6
Technical Details
High Performance Netting 50/50/4,6
DIN 1548
Tensile strength:
lengthwise: min. 173 KN/m
crosswise: min. 173 KN/m
Mesh number:
horizontal: 26 m-1
vertical: 26 m-1
Mesh type:
rectangle
Mesh size: 50x50 mm
Wire quality:
diameter: 4,6 mm
tensile strength: 400-500 N/mm²
Corrosion prevention:
thick galvanised: 250 g/m²
Tensile Standard:
DIN 177
Weight:
appr. 5,6 kg/m²
Delivery sizes:
Reel width: 1,50m, 1,75m, 2,00m, 2,25m, 2,50m, 2,75m, 3,00m
Reel length: 6,00m
Testing
Under the control of the Institute for Mining Engineering at the University of Leoben,
the diagonal wire netting 50/50/4.6 was tested successfully for energy impacts up to
167kJ. The diagonal wire netting took those energy impacts without a breaking of
wires.
Rectangular Nettings
Details
Mesh size
Wire thickness
Tensile strength
Length
Width
50/50/2,5
50x50mm
2,5mm
400-550N/mm²
25,0m
2,0m
60/60/2,5
60x60mm
2,5mm
400-550N/mm²
25,0m
2,0m
60/60/3,1
60x60mm
3,1mm
400-550N/mm²
25,0m
2,0m
Normal galvanisation:
Zinc layer appr. 60-80g/m²
Special sizes
In case of demand, all mesh layers can also be delivered with different width, length, mesh
size or wire thickness.
Hexagonal Nettings
Details
60/80/2,7
80/100/2,7
60x80mm
80x100mm
Mesh size
2,7mm
2,7mm
Wire thickness
Tensile strength 400-550N/mm² 400-550N/mm²
50,0m
50,0m
Length
2,0m
2,0m
Width
Corrosion Prevention
Special sizes
In case of demand, all nets can be delivered with different width, length, mesh size or
wire thickness.
SICHERHEIT DURCH KOMPETENZ
Game Protection Wire Netting
Light Game Protection Wire Netting
Node nets can be used in many different
ways. Various mesh sizes and fence
hights are available.
Due to special winded nodes and the
waving of the lengthway wires, the light
game protection wire netting can be easily
installed and stretched.
Heavy Game Protection Wire Netting
The heavy game protection wire netting is
a nearly indestructible node net that is
mainly used when extremely strong and
durable fences are needed.
Please ask for measures and prices
SICHERHEIT DURCH KOMPETENZ
Brake Element AVT-phx
Wire Pack Anchor WPA
Wire pack anchors are used anchoring bearing and retaining ropes in falling rock and
avalanche protection systems, in which the direction of the anchor - for drilling and/or
systems reasons - does not correspond with cable forces. In the event of loading, this
causes bending of the anchoring loop, where it exits the borehole.
Wire pack anchor design
Wire pack anchors consist of a bundle of parallel leading contoured wires, diameter 6
mm, which at a distance of 1.0 to 1.5 m are spread and at the same time spaced
from the bore hole wall by means of a spacer (outside diameter 65 mm). This results
in optimum adhesion to the cement mortar. The wire bundle is characterized by rodlike rigidity for relocation. The wire bundle loop, covered with a corrosion-proof steel
tube may be angled up to 45° around a rock edge, without reducing the wire bundle
anchor’s breaking force.
Spacing of wires
Wire pack anchor loop 500, 30°
Spreading of wires
The cement-filled, corrosion proofed steel tube ensures the wire bundle’s optimum protection
against corrosion in the loop area. Inside the borehole the wire bundle is protected against
corrosion by the cement mortal. To increase corrosion proofing, the wire bundle may be
placed inside a corrugated PE jacket tube (outside diameter 65 mm), which has been preinjected with cement mortar at the plant or is directly filled inside the borehole. To create
distance towards the wall of the borehole, wall cleat band spacers (outside diameter 85 mm)
are mounted at a distance of 1.0 to 1.5 m, which together with the exterior injection duct
measuring 16 x 12 mm, results in a maximum anchor diameter of 95 mm.
Wire pack anchor WPA 500 with PE jacket tube and
cleat band spacers
Proven performance
The bearing capacity and the fitness of use of the wire pack anchors was
demonstrated in several tests supervised by the Swiss Federal Laboratory for
Materials Testing and Research, the “EMPA.” (EMPA confirmation no. 434,797 dated
July 9, 2004.) The breaking load of the loop at deflection and point of force is greater
than the breaking strength of the wire bundle itself.
Wire pack anchor WPA 500
45° deflection, breaking of wire bundle at tensile load of 500 kN.
No reduction of breaking strength at deflection point or attachment location of loop
Shipment
Standard production of wire bundle anchors for mounting and connecting technology
occurs in breaking strengths measuring between 300 to 800 kN, in 100 kN intervals,
installation lengths of 3 to 8 m and integrated injection duct measuring 16 x 12 mm.
Loop casing measurements:
• Wire pack anchor WPA 300 and wire pack anchor WPA 400: tube 26.9 x 2.6
mm, outside diameter of loop, 110 mm
• Wire pack anchor WPA 500 to wire pack anchor WPA 800: tube 33.7 x 3,2
mm, outside diameter of loop 135 mm
The loop can be shipped straight or pre-bent at 45°.
Installation
The mounting depth is marked red on the loop (loop projection 250 mm). At the loop
end, wire bundle anchors for mounting and connecting technology are marked in
colour for each unit of force:
WPA 300 white
WPA 400 blue
WPA 500 yellow
WPA 600 green
WPA 700 black
WPA 800 orange
Table of forces
Cross
section
Number
Type
Mass
of wires
DBA
DBA
Ø 6mm
As [mm²]
m [kg/m]
Yield
load
Break load
Fsk [kN]
Fpk [kN]
WPA 300
6
170
1,35
258
300
WPA 400
8
226
1,80
344
400
WPA 500
10
283
2,20
430
500
WPA 600
12
340
2,75
517
600
WPA 700
14
396
3,10
602
700
WPA 800
16
453
3,55
689
800
Mass table
Mass [kg]
WPA 300
WPA 400
WPA 500
WPA 600
WPA 700
WPA 800
2m
8,0
9,0
10,0
11,0
12,0
13,0
3m
9,5
11,0
12,5
14,0
15,5
17,0
4m
11,0
13,0
15,0
17,0
19,0
21,0
Length
5m
12,5
15,0
17,5
20,0
22,5
25,0
S AFETY BY COMPETENCE
6m
14,0
17,0
20,0
23,0
26,0
29,0
7m
15,5
19,0
22,5
26,0
29,5
33,0
8m
17,0
21,0
25,0
29,0
33,0
37,0
Advantages
•
•
•
•
Flexibility comparable to cable bolt with bends up to 45°
Can also be shipped pre-bent up to 45°
Rigidity comparable to bar anchor when changing location
Short anchor length due to optimum adhesion of profiled wires
Graduated strengths in 100 kN levels from 300 to 800 kN breaking load
Screwable Eyelet Frame

rock fall protection avalanche protection rock and

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