Slope stabilization,
Förtschendorf
Developer
State office for construction, Bamberg

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PDF, 561 KByte
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Project
- Widening of the B85 road and addition of a cycle path in a narrow cutting
- Three-lane upgrade between Pressig and Steinbach
- Establishment of slope cuttings in loose and solid rock
- Variety of stabilization techniques due to changing geotechnical conditions
- Total surface area of slopes to be stabilized 30,000 m2 • Construction section approx. 3.3 km long
Our services
- Geotechnical investigative services
- Project and structural engineering planning (performance phases 4 and 5) for slope and rock stabilization
- Overnetting of entire slope and steep cutting, partly with erosion protection and rock nails
- Shotcrete stabilization and sealing of an outcrop area (FE modelling)
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Rock stabilization,
Couragefels
Developer
Albstadt Municipal Authority, Albstadt-Tailfingen

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PDF, 970 KByte
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Project
- Rockfall protection for the Couragefels in Albstadt - Ebingen
- Risks of rock falls, boulder falls and avalanche from the rock walls up to approx. 36 m2
- Stabilization by means of nailing and overnetting
Our services
- Mountaineering inspection and mapping
- Project and structural engineering planning
- Planning services and static tests for the overnetting of the lower areas of the Couragefels
- Application documents for nature conservation approval
- Geotechnical support during construction
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Avalanche and rockfall stabilization,
Steinenkircher Steige
Developer
Stuttgart Regional Administrative Authority

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PDF, 886 KByte
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Project
- Constant risks to road traffic from km 1.0 to km 1.6 on the L 1221 between the townships of Eybach and Steinenkirch
- Rock and stone falling onto the road from the scars on the mountain side of the road
- The scars project up to approx. 30 m from the slope, which has an average incline of 30 to 40°, and form an intermittent shelf
Our services
- Taking of oblique aerial photographs as a basis for mapping
- Geotechnical site survey of the scars and side slopes on the mountain side
- Risk assessment
- Specification of rock mechanical parameters
- Assessment of the stability of the slope and ledge
- Stabilization and redevelopment proposals in a study of options with cost estimate
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Highway 2236 (Alfeld-Hersbruck)
at Regelsmühle
Developer
State office for construction, Nuremberg

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PDF, 939 KByte
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Project
- Some sections of highway 2236 in the Albachtal valley run alongside rocky slopes
- In May 2011 rocks fell from a section of rock approx. 45 m long and up to 15 m high
- A geotechnical inspection to assess the risks was ordered
- Removal of rock in order to eliminate acute risks
- Extensive rock stabilization measures by means of netting and rockfall protection fencing
Our services
- Geotechnical investigative services
- Inspection of the rock sections by rope
- Project and structural engineering planning (performance phases 2-7)
- Specialist support for construction works
- Supervision of works and documentation
- Measurement and invoice verification
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Slope stabilization, B37
Binau-Neckargerach
Developer
Karlsruhe Regional Administrative Authority

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PDF, 544 KByte
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Project
- Stabilization of the B37 trunk road between Binau and Neckargerach in Neckar-Odenwald district, which is at risk of rockfall
- Rocky slope in the mottled sandstone just below track section 4111 Neckargemünd-Jagstfeld
- Stabilization by rockfall protection netting and shotcrete in combination with isolated stabilization of projections in the rocky slope
Our services
- Static calculations for the shotcrete stabilization, overnetting with high-strength steel wire mesh and isolated stabilization of projections in the lower part of the slope
- Specialist construction supervision
- Geotechnical consultancy for the project and structural engineering planning for slope stabilization pursuant to HOAI
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Rockfall risk in the vicinity
of the turbine house at the Saidenbach reservoir
Developer
Saxony dam and reservoir authorities, Freiberg basin/Zschopau facility, Lengefeld

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PDF, 803 KByte
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Project
- Gneiss support blocks are embedded in the masonry dam of the Saidenbach reservoir
- Support blocks are crumbling and falling onto traffic areas that are used daily and the turbine house
Our services
- Mountaineering inspection
- Assessment of rockfall risk
- Geotechnical survey of the masonry dam on the air side
- Study of options based on terrain data
- Environmental impact assessments
- Project and structural engineering planning for remedial stabilization with rockfall protection fencing (performance phases 2-7)
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Rockfall and avalanche stabilization by the A8
motorway, Drackensteiner Hang
Developer
Stuttgart Regional Administrative Authority

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PDF, 881 KByte
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Project
- Constant threat to road traffic on the A8 motorway, Drackensteiner Hang / Albabstieg
- Risks of rockfall and avalanche from km 152+230 to 152+910
- Rock and boulder fall events
- Slope height up to approx. 30 m
Our services
- Taking of oblique aerial photographs as a basis for mapping
- Geotechnical site survey of the scars and side slopes on the mountain side
- Risk assessment
- Specification of rock mechanical parameters
- Assessment of the stability of the slope and ledge
- Stabilization and redevelopment proposals in a study of options with cost estimate
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Stabilization of rock formations
on the Hirtenberg im Pegnitztal
Developer
BAVARIAN STATE FORESTS, Schnaittenbach

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PDF, 164 KByte
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Project
- Rock formations on the Hirtenberg in the vicinity of Hartenstein, Middle Franconia
- Fall of an approx. 200 kg rock into a built-up area
- Extensive risks of stone and rock falls
Our services
- Geotechnical examinations
- Site surveys of slope and incline, surveying
- Assessment of stability
- Elaboration of stabilization and renovation proposals including cost estimate
- Elaboration of an execution-ready project and structural engineering plans of stages 3-7 of protective structures, having due consideration for nature conservation requirements
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Precipice stabilization,
Hoher Stein, Dresden
Developer
DB Netz AG, Southeast Region, Leipzig

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PDF, 154 KByte
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Project
- Danger to rail services on line 6258 Dresden-Werdau, km 3.3-3.5
- Extensive stone and rock fall risks
- Rock avalanche risks
Our services
- Planning services: stages 3 final design, 4 planning application
- Preparation of tender documents
- Surveying and geotechnical services
- Environmental screening
- Landscape management support planning
- Special species protection assessment, FFH assessment
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Isar eastern bank, geological examination, evaluation, concept creation and monitoring of the steep slopes between Grünwalder bridge and Marienklausensteig
Developer
City of Munich, buildings department

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PDF, 168 KByte
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Project
- Approx. 7 km valley slope on the east bank of the Isar in the southern part of Munich and the district of Grünwald
- Heavily frequented recreation area
- Risks from gravitative mass movements in the form of rock, stone and boulder falls
- Risks from near-surface movements of the slope
- Long-term danger to paths running above the slope through progressive erosion
Our services
- Recording all stabilization and hazard-relevant locations through geological mapping
- Documentation and evaluation of the recorded risks; derivation of structural stabilization measures
- Geotechnical support for remedial measures
- Preparation of an investigation concept and tender documents for the rock and soil investigations and trial boring
- Performance of inclinometer measurements and stabilization calculations
- Routine checks of the endangered areas for a period of one year
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Velden station, rock stabilization after boulder fall on the car park
Developer
DB Netz AG, Nuremberg

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PDF, 175 KByte
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Project
- DB track section 5903 Nuremberg - Schirnding
- There is a cut slope in the solid rock around the access road to the platform and the car park of Velden station
- The cutting is approx. 190 m long and up to 15 m high
- Repeated rock collapses
- Boulder fall with a cubature of approx. 1.5 m³ at the car park level
Our services
- Geotechnical investigative services
- Assessment of the stability of slopes and inclines
- Risk assessment
- Elaboration of stabilization and renovation proposals
- Cost estimate
- Planning services: stages 3, 6 and 7 pursuant to HOAI for rock stabilization and collecting structures
- Planning application pursuant to nature conservation laws
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Rock rehabilitation in the
vicinity of Lungsdorf / Pegnitztal
Developer
Hartenstein district, Middle Franconia

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PDF, 178 KByte
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Project
- Northwest of the road through Lungsdorf there are potentially hazardous rock areas (pinnacles, boulders) with a cubature of 5-20 m³ in an approx. 20 m high rock formation
- Danger to adjacent housing and infrastructural facilities through rock and boulder strikes
Our services
- Geotechnical site survey
- Concept design and project planning to stabilize the labile boulders
- Project and structural engineering planning of stages 3-7 (inc. invitation to tender)
- Static proofs and rockfall simulation
- Specialist construction supervision and acceptance of the construction works
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Stabilization of critical rock slopes in the Ruhr valley
Developer
City of Essen, environmental agency

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PDF, 172 KByte
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Project
- Re-evaluation of 20 slopes classed as critical in the southern part of Essen
Our services
- Inspection of the interface structure and estimation of the key mechanical ratios of relevance for stabilization
- Re-evaluation of the risks, localization of unstable areas
- Recording of the relevant locations in photographs
- Description of the relevant locations, inc. qualitative indication of the required stabilization measures
- Classification into risk classes
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Rock stabilization measures
on DB track section 5060 at Peilstein
Developer
DB Netz AG, Nuremberg

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PDF, 137 KByte
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Project
- DB track section 5060 Neukirchen b. Sulzbach-Rosenberg - Weiden, km 1.700 to 2.100
- Rock slope on the southern edge of the village of Peilstein
- Length approx. 400 m on both sides of the railway line
- Max. height approx. 35-40 m above track level
- Repeated ingress of rock and boulders onto the track area following falls
Our services
- Geotechnical investigative services
- Geotechnical site survey of the cut slope with mountaineering inspection
- Perusal of existing documents
- Assessment of the stability of slopes and inclines
- Risk assessment
- Elaboration of stabilization and renovation proposals
- Cost estimate
- Concept design and construction support for remedial measures
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Stabilization of nagelfluh rocks, Heilbronn-Klingenberg
Developer
City of Heilbronn, roads department

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PDF, 174 KByte
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Project
- Above Theodor-Heuss-Straße and Felsenstraße are nagelfluh upper terrace gravels
- Stones and boulders come loose from the almost vertical rock wall (up to approx. 10 m high and approx. 700 m long)
- This is an established natural landmark and a bird protection area
- Protection of the road threatened by rockfall
Our services
- Geotechnical investigative and consulting services for rockfall protection
- Inspection of the rock wall
- Risk analysis
- Study of the stabilization options
- Cost estimate
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Stabilization of rock slope, Illingen
Developer
DB Netz AG, Karlsruhe

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PDF, 193 KByte
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Project
- Protection of the DB track section 3274 threatened by rock fall and avalanche between km 1.480 and km 1.820
- Cut slope approx. 8 m high
- Dwelling at the top of the slope
Our services
- Project and structural engineering planning pursuant to HOAI for the stabilization measures
- Geotechnical inspection and assessment
- Landscape management support plan
- Environmental screening
- Special species protection assessment
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Rock stabilization at the road connecting the villages of Matting & Regensburg
Developer
District of Pentling, construction department

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PDF, 155 KByte
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Project
- The road runs on the right bank of the Danube with steep rock cliffs and outcrops
- Height up to 40 m above road level
- The section of road to be inspected is approx. 3.2 km long
Our services
- Geotechnical investigations of the rock sections
- Assessment of the stability of slopes and inclines
- Risk assessment
- Elaboration of stabilization and renovation proposals
- Review and evaluation of the functional effectiveness of the rock stabilization already in place
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Rock stabilization at Büchenbronner Straße in Pforzheim
Developer
Karlsruhe Regional Administrative Authority

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PDF, 163 KByte
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Project
- Protection from threat of rockfall of rural road L 562 - Büchenbronner Straße in variegated sandstone
- Cut slope approx. 10 m high
- Length of section at risk approx. 140 m
- Stabilization by means of rock-protection netting in conjunction with safety fences and individual safeguards
Our services
- Geotechnical inspection and assessment
- Project and structural engineering planning pursuant to HOAI for overnetting with high-strength steel wire mesh
- Geotechnical support for cleaning works
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Rockfall protection at Hartlmühle
Developer
Regensburg State Office for Construction, roads section

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PDF, 137 KByte
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Project
- Upgrading of road 2394 Laaber-Deuerling, in the vicinity of Hartlmühle
- Construction of a gabion wall to protect against falling rock material
- Steep rock-pierced slope above road 2394 over a length of 400 m, height of rock cliffs up to 35 m above road level
- Extensive risks of stone, rock and boulder falls
Our services
- Mountaineering inspection
- Geotechnical site survey
- Assessment of the stability of slopes and inclines
- Risk assessment
- Elaboration of stabilization and renovation proposals
- Rockfall simulations
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Rock stabilization, Krommenthal
Developer
DB Netz AG, Würzburg

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PDF, 155 KByte
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Project
- Protection of the railway line threatened by rock fall and avalanche
- DB track section 5200, Würzburg - Aschaffenburg
- Rock stabilization in the village of Krommenthal
- The two-track electrified DB track sections runs below outcrops of an approx. 25 m high rock slope
- Erection of the rockfall protection fence and netting of approx. 100 m²
Our services
- Geotechnical inspection
- Planning services for the rockfall protection, project and structural engineering planning
- Performance of project and structural engineering planning pursuant to HOAI § 42 and HOAI § 49 for stages 4 to 7
- Preparation of application documents for nature conservation approval
- Environmental screening
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Rockfall protection, Windischeschenbach, DB track section 5050
Developer
DB Netz AG, Weiden

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PDF, 158 KByte
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Project
- The two-track non-electrified DB track section Weiden- Oberkotzau, km 14.270 to km 14.530 right of track and km 16.000 to km 16.200 left of track, runs in a cutting
- The slopes are between 15 and 20 m high
Our services
- Geotechnical inspection of the sections in respect of rock and boulder fall risks and rock avalanche risks after cleaning
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Stabilization of Nägelesfels, vicinity of Bad Urach-Seeburg
Developer
Town of Bad Urach, civil engineering department

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PDF, 158 KByte
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Project
- 120 m wide, up to 30 m high cliff of massive limestone (natural landmark) with potential risk of rockfall and avalanches extending up to 30 m³ for road and dwellings
- Development at the foot of the slope
- Protected landscape
- Stabilization through cleaning, rock nails, shotcrete seals and protective fencing
Our services
- Mountaineering inspection
- Stability analysis
- Risk assessment
- Project and structural engineering planning
- Invitation to tender
- Construction management and supervision
- Inspection of the protective installations 10 years after completion
- Indication of improvement measures
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Rock slope at Hengsteysee lake, Hagen
Developer
Ruhrverband, Essen, Hagen

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PDF, 121 KByte
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Project
- Risks of rockfall and avalanche with cubatures of up to several cubic metres
- The approx. 25 m high slope lies above a cycle and footpath on the northern bank of Hengsteysee lake
- Length of section at risk approx. 300 m
- Stabilization by means of rock-protection netting in conjunction with safety fences and individual safeguards
Our services
- Recording all stabilization and hazard-relevant locations through geological mapping
- Documentation and evaluation of the recorded risks
- Stability calculations
- Stability analysis, risk assessment
- Renovation proposals
- Geotechnical support
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Dünkelberg quarry, visitor mine at Nachtigall pit, Witten
Developer
Westphalia-Lippe Landscape Association, Münster

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PDF, 178 KByte
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Project
- Expansion of the Zeche Nachtigall industrial museum
- Entry of a further visitor mine in the area of the former Dünkelberg quarry
- Rock stabilization above the mouth of the mine because rock and boulder strikes from the labile quarry wall cannot be excluded
Our services
- Detailed geotechnical survey of the quarry wall above the planned mine opening
- Rockfall simulation
- Advice to the association on the invitation to tender for the works
- Specialist construction supervision
- Rockfall protection fence 1,000 kJ
- TECCO netting approx. 200 m²
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Rockfall protection for DB track section Landshut - Bayer. Eisenstein
Developer
DB Netz AG, Regionale Instandsetzung Nuremberg

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PDF, 154 KByte
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Project
- Single-track, non-electrified DB track section 5634 between Deggendorf and Grafling
- Frequent rockfall and avalanche events in the vicinity of Wühn, in a cutting approx. 15 to 20 m deep, threaten rail services
Our services
- Execution planning of rock stabilization works
- Preparation of project specifications and schedule of works based on inspections of the terrain
- Preparation of tender documents
- Netting and stabilization of individual boulders by rock bolts
- Netting covering an area of 750 m2, SPIDER system
- 40 static-acting anchors (L = 6-8 m)
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Stabilization of rock slope left of track in ice channel
Developer
DB Netz AG, Regionale Instandsetzung, Nürnberg

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PDF, 160 KByte
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Project
- Rockfall on DB track section 5850 Regensburg-Nuremberg / km 51.100 to 51.220, left of track
- A fallen boulder was found on the crown of an approx. 8 m high supporting wall; further risks threaten railway operations
- Investigation of the stability of the foundation of the supporting walls
Our services
- Geotechnical inspection of the rock outcrops
- Description of the relevant areas
- Indication of required stabilization measures
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Rock stabilization, Tristramschlucht
Developer
DB Netz AG, Southern Region, Munich

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PDF, 130 KByte
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Project
- Considerable risks of rock and boulder strike and avalanche in the very curvy single-track DB section 5741 between Bad Reichenhall - Berchtesgaden / km 16.300 to km 16.450
- Threat to railway operations
- Rocks have formed layered overhangs on the rocky banks and rocks are splitting off and falling
- The pieces falling away have volumes up to 30 m³ and more
Our services
- Geotechnical inspection of the rock outcrops
- Description of the relevant areas
- Indication of required stabilization measures
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Rock stabilization, Matting
Developer
DB Netz AG, southern region, Nuremberg

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PDF, 192 KByte
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Project
- Cleaning of rock sections of loose stones at DB track section 5851 Regensburg- Ingolstadt / km 10.200 to 12.805, right of bank
Our services
- Planning services for rock stabilization
- Preparation of the application and tender documents for the cleaning work
- Supervision of cleaning works
- Special inspection at regular intervals
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Rock stabilization Mainleite, Wertheim, construction phases 1 to 5
Developer
Stuttgart Regional Administrative Authority, Bad Mergentheim construction management

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PDF, 142 KByte
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Project
- Rock strike and rockfall risks with individual boulders up to 15 m3 over approx. 6 ha in area
- Up to 12 m high cliffs above rural road L 2310
- 2.6 km long slope up to 65° steep
- Elimination of rock strike and rockfall risks
- Clearing work on the slope in sections (every 2 years) with grubbing out of tree trunks
Our services
- Inspection of the terrain
- Risk assessment
- Stability assessment
- Project and structural engineering planning pursuant to HOAl §55 & §64 for protective fencing, bolting and shotcrete seals, also berm stabilization for forest path on the slope
- Indication of essential stabilization measures after forestry work
- Local site management
- Safety coordination for rock stabilization and forestry work with use of helicopters
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Coschütz tunnel on BAB A17 Dresden - Prague
Developer
Saxony Highways Agency

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PDF, 161 KByte
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Project
- Construction of two new 2-tube motorway tunnels
- Length 2,332 m
- Standard cross-section 29t
Our services
- Geotechnical investigation of the rock slope in the vicinity of Plaunschen Grund
- Execution planning for the entrance blocks up to 18 m behind the stop walls of both tunnels
- Stabilization of the rock slopes at both stop walls
- Project and structural engineering planning for tunnel entrance and rock stabilization
- Specialist geotechnical supervision of tunnel entrance and rock stabilization works
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Anchoring of rock and renovation of climbing school at Stetten
Developer
German Alpine Association, Stuttgart Section, Waiblingen

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PDF, 757 KByte
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Project
- The climbing school is located in a former quarry south of Stetten, near Stuttgart
- Securing the unstable sections identified, including expanding fissures and loose sheets of rock
Our services
- Inspection of the rock slopes
- Recording the condition of the rock outcrops and existing protective nets and trapping means
- Elaboration of stabilization proposals
- Cost estimate
- Preparation of a report
- Planning for protective fence up to 3,000 kJ, length approx. 260 m
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Risk of rockfall in the Essen
city district
Developer
Essen City Authorities, Environment Office

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PDF, 112 KByte
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Project
- Mitigation measures against rockfall onto residential sites on Laupendahler Landstrasse 55, Essen
- The rock walls at the site are 20 to 25 m high and are aligned almost vertically over a distance of approx. 150 m
- A rockfall of approx. 1 m³ has occurred in the past
Our services
- Geotechnical site investigation and report
- Geotechnical mapping of rock outcrops
- Planning of mitigation measures
- Site supervision of installation of rockfall barriers, netting and rock bolts
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Weißensteiner Steige, risk of rockfall
Developer
Stuttgart Regional Council, Department 42, Ludwigsburg

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PDF, 847 KByte
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Project
- Risk to road traffic on the B466 between station 2,200 and 2,400 from rockfall
- The risk derives from the rock slope on the road cut on the adjacent side of the mountain, up to a vertical height of around 8 to 10 m, in parts overhanging
Our services
- Site investigation and geotechnical mapping by mountaineering
- Stability analysis of the rock slope
- Risk assessment
- Devising proposals for mitigation measures, including a cost estimate
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Protection against rockfall,
B 19 Künzelsau - Gaisbach
Developer
Hohenlohekreis Land Council Office, Roadbuilding Department, Künzelsau

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PDF, 169 KByte
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Project
- Rockfall protection on the 3-lane road
- On the side towards the slope there is a retaining wall up to 5 m high, with a slope inclined at up to approx . 40° over a distance of 1 km above it
- Rockfall, volume approx. 1 m³ in January 2007 , across all 3 lanes and damaging the concrete skid wall on the valley side
Our services
- Site inspection and documentation
- Risk assessment
- Indication of immediate measures
- Investigation report with proposals for mitigation measures
- Suggested execution plan, with cost estimate
- Geotechnical site supervision
- Rockfall simulation using ROCKFALL
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Rockfall protection of DB railway line 3010, Koblenz - Perl, near Müden
Developer
DB Projektbau GmbH, RB Mitte
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PDF, 158 KByte
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Project
- Terraced former vineyard, with incline up to 45°
- Above this, rock cliff with incline up to 70°
- Existing safety measures under-dimensioned or no longer fit for purpose
Our services
- Planning services for the mitigation measures
- Geotechnical investigation and mapping of the site
- Planning the construction element pursuant to HOAI, § 55, Lph 2 to 4, designing the structural framework pursuant to HOAI, § 64, Lph 2 and 3
- Rockfall simulation using ROCKFALL
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Mitigation measures, Russenstein, Heidelberg
Developer
Heidelberg City Council, Underground Civil Engineering Dept.
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PDF, 120 KByte
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Project
- Granite cliffs, up to 25 m high, in a slope approx. 80 m high and 300 m long
- Risks of rockfall up to 80 m³ for the road running along the foot of the slope
- Securing the area by clearing loose rock, rock bolting and fencing
Our services
- Site investigation by mountaineering
- Slope stability analysis
- Risk assessment
- Re-evaluation of rockfall risk by follow-up inspection
- Design of construction element and structural framework for measures
- Rockfall simulation using ROCKFALL
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K 1441, Neidlinger Steige
Developer
Stuttgart Regional Council, Department 44, Stuttgart

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PDF, 218 KByte |
Project
- Rock cliffs up to 50 m in height over approx. 1.5 km above the roadway
- Risk of rockfall for traffic on the road
- Traffic accidents in the past due to rocks being dislodged
Our services
- Taking oblique aerial photos
- Site investigation by mountaineering
- Stability analysis
- Risk assessment
- Designing the construction element pursuant to HOAI § 55 (1), Lph 1 to 3
- Rockfall simulation using ROCKFALL
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Protecting the S 2230 in the Altmühltal valley against risks of rockfall
Developer
Ingolstadt Roadbuilding Department
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PDF, 153 KByte |
Project
- 1,000 m long road section in Jura limestone
- Slope rising to up to 100 m above the road level
- Practically vertical rock faces up to 30 m
- Risk of rockfall of up to 100 m³ for the road running along its foot
- A number of rockfalls already in the past, some resulting in fatal accidents
- Located in the Altmühltal nature park
Our services
- Oblique aerial photographs
- Site investigation by mountaineering
- Stability analysis
- Risk assessment and zoning
- Rockfall simulation using ROCKFALL
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Protecting the B 466, Gutenberger Steige, against risks of rockfall
Developer
Stuttgart Regional Council, Department 44, and Kirchheim / Teck Roadbuilding Office
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PDF, 353 KByte |
Project
- 1.75 km long road section for renovation, in Jura limestone
- Slope rising to up to 150 m above the road level
- Practically vertical rock faces up to 70 m
- Side cutting slopes up to approx. 10 m in height
- Risk of rockfall up to 300 m³ for the road
- A number of rockfalls previously
- Located in a nature protection area and water protection area
Our services
- Oblique aerial photographs
- Site investigation by mountaineering
- Stability analysis
- Risk assessment
- Design of construction element and structural framework
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Securing the Kehlsteinstrasse
near Berchtesgaden against
risks of rockfall and rockfall
Developer
Traunstein Roadbuilding Department
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PDF, 181 KByte |
Project
- 800 m long road section in Dachstein limestone
- High Alpine slope to 1,837 m above sea level
- Practically vertical rock faces up to 150 m
- Embankments up to approx. 20 m in height
- Rockfall risks up to 860 m³ for the road, which is used by tourists
- Many rockfalls in the past
- Located in a protected area of natural beauty
Our services
- Oblique aerial photographs
- Site investigation by mountaineering
- Stability analysis
- Risk assessment
- Rockfall simulation using ROCKFALL
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