Remedial measure at Sengenthal following creepage of the embankment slope
Developer
DB Netz AG, Nuremberg
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Project
- The two-track DB section 5850 towards Nuremberg runs between embankments southeast of the village of Sengenthal
- The embankment rises to approx. 5 m above the surface of the track and the slopes have an angle of inclination of between 28° and 34°
- Misalignments in direction and height on the left of the track and a deterioration in the track condition were found at between km 58.385 and km 58.415
- Valley-side deformation of the rail tracks and displacement of the cable duct over a length of approx. 30 m
- Partial demolition and reconstruction of the existing embankment
Our services
- Geotechnical inspection of the remedial measure in order to ascertain the cause of the damage and assess the risks
- Inspection and recording of the slopes
- Rehabilitation planning in terms of ready-to-build execution planning
- Local site management for rehabilitation measure
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Loose slope at Ludwigstadt railway station
Developer
DB Netz AG, Regional Repairs, Nuremberg
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PDF, 861 KByte
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Project
- In the area of Ludwigstadt railway station, DB track section 5010 runs in a sloping cutting above the village
- The levelled DB land adjacent to the track occupies a surface area of approx. 200 x 30 m and falls away steeply to the neighbouring Siedlungsstraße residential area to the north The area between comprises an unconsolidated slope angled at approx. 40° which drops approx. 10 - 12 metres over a length of 16 - 20 m
- Slope deformation (creepage) and seepage water at the foot of the slope are causing problems
- There are localised risks to stability that require technical remediation / stabilization
Our services
- Expert report with stability calculations and study of remediation options
- Preliminary planning with study of the slope stabilization options
- Technical support for the client in finding a solution
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Slope stabilization A3 motorway, earthworks and surfacing lot 229, 6-lane widening at Weibersbrunn
Developer
North Bavaria Highway Authority
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PDF, 839 KByte
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Project
- Six-lane widening of the A3 motorway between the Bessenbach / Waldaschaff and Weibersbrunn (Kaupenaufstieg) exits
- Massive earth and rock works in the expansion section
- Slope stabilization covering an area of approx. 40.000 m², Geobrugg "Tecco" system
Our services
- Technical processing in accordance with HOAI § 55 and § 64, performance phase 5 inc. verifiable statics for the rock stabilization and execution drawings
- Geotechnical support
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Landslide in Escherndorf area of town of Volkach
Developer
Volkach administration community
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PDF, 702 KByte
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Project
- Several large landslip areas, some of them active since the 1960s, resulting in vertical slippage of up to approx. 9 m and correspondingly large movements of earth, exist over a total surface area of approx. 25 ha within the "Escherndorfer Fürstenberg" vineyard
- Remediation measures to stabilize the slope have been carried out on several occasions in the past
- An area totalling approx. 10 ha in size still shows landslip activity
- Considerable damage was caused to the wine-growing areas and the associated infrastructural facilities
Our services
- Inspection of existing documentation, historical research
- Interviews with eyewitnesses
- Geological surveys / mapping
- Presentation of the results in a geotechnical report inc. remediation recommendations
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Embankment damage at section 5100 Bamberg - Hof
Developer
Deutsche Bahn AG, Nuremberg
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PDF, 992 KByte
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Project
- Damage to embankment in the vicinity of a badger sett on the left side at DB track section 5100 Bamberg-Hof, km 84.2 near the village of Marktschorgast
- Inspection of the embankment structure
- Instability caused by several badger setts
Our services
- Subsoil investigation
- Subsoil report
- Remediation concept
- Geotechnical site supervision
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Slope stabilization at Werdorf on the DB Aachen - Gießen line
Developer
DB Netz AG, Frankfurt
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PDF, 326 KByte
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Project
- Risks of stone, rock and boulder falls on DB track section 2651 near the Werdorf stops and at Dillenberg station
- Stabilization of the relevant slopes through overnetting and rock nails
Our services
- Geotechnical rock surveys
- Preparation of expert report
- Environmental screening
- Landscape management support plan
- Special species protection assessment
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Slope stabilization on the A8 motorway
Developer
Tübingen Regional Administrative Authority, section 42
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PDF, 311 KByte
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Project
- Six-lane expansion between Hohenstadt and Ulm
- Steep slope at construction km 30+050 to 30+200 and 27+100 to 27+300
- The widening of the A8 motorway entails encroachment on the existing slope
- The foot of the slope is relocated up to approx. 10 m further back
- The height of the cutting is up to approx. 10 m
- A steep slope with an incline of approx. 60° is intended
Our services
- Project and structural engineering planning up to execution planning
- Planning of the slope stabilization for the steep slope between km 30.050 and 30.200
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Construction of new cycle path alongside the L 370
Developer
District of Starzach
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PDF, 297 KByte
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Project
- The cycle path link is being built between the Börstingen and Sulzau parts of Starzach alongside the L 370
- The proximity of the Neckar river necessitates a supporting structure
- Stabilization of the existing embankment through a slope support
Our services
- Subsoil investigation
- Soil mechanical laboratory tests
- Chemical analysis of the groundwater
- Subsoil report
- Stabilization recommendations
- Examination of options
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Replacement of supporting structures, Crailsheim, section 4951
Developer
Deutsche Bahn AG through Franz Kassecker GmbH, Waldsassen
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PDF, 553 KByte
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Project
- The existing supporting wall is badly damaged and needs to be replaced
- The supporting wall must be replaced by shotcrete stabilization with prestressed piles and in-situ concrete wall
- In some places permanent slope stabilization with steel mesh and ground anchors must also be established above the supporting structure
Our services
- Execution planning
- Technical processing
- Stabilization records
- Execution drawings according to HOAI 2009 § 42, service phase 5, and § 49, service phases 4 and 5
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Stabilization of a cycle path on the Lenne embankment
Developer
Town of Plettenberg, Civil and Structural Engineering department
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PDF, 287 KByte
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Project
- The asphalted "Auf der Papenkuhle" cycle path runs along a wooded slope
- A municipal drainage channel of DN 400 is also located at approx. 2 m below the cycle path
- The cut bank is steep, with an estimated total incline of 40º, but in some cases as much as 50º
- The black top of the cycle path is cracking at approx. 30 m parallel to the slope
Our services
- Examination of 3 options with outline presentation and cost estimate (part service under HOAI § 42, service phase 2)
- Subsoil analysis and subsoil evaluation
- Stability investigations, rough static calculation (part service under HOAI § 49, service phase 2)
- Planning services pursuant to HOAI § 42, service phases 2, 3 and 5 - 7
- Planning services pursuant to HOAI § 49, service phases 2, 5 and 6
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Hammerberg flushing dump
Developer
SAXONIA Standortentwicklungs- und -verwaltungs GmbH, Freiberg
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PDF, 629 KByte
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Project
- Dumping of up to 20 m of flushing material from mineral processing at the Freiberg mine ended in 1968
- The old deposits are covered over to prevent the discharge of pollutants
- Determination of possible hazards for the profiling and stability of the coarse side packs
Our services
- In-depth investigation of the history of the flushing dump
- Examination programme for exploration, performance and analysis
- Iterative stability investigation
- Settlement calculations
- Recommendations for the planning of the covering with specifications for construction over approx. 10 years
- Planning of the renovation of the cover body
- Incorporation of a covering of mineral soils
- Planning of a surface drainage system
- Planning of a new road link for access to the flushing dump
- Preparation of the landscape management support plan
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Slope slippage at the
cutting for the northern
portal of Winkhauser tunnel, Brügge
Developer
DB Netz AG, Münster
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PDF, 879 KByte
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Project
- Remedial measure after a landslide
- Special inspection of the terrestrial body at km 21.760 on the one-track, non-electrified track Hagen - Oberhagen - Dieringhausen, DB track section no. 2810
- Bedrock slope approx. 12 m high
- The cutting at the northern portal of the Winkhauser tunnel has an incline of approx. 70 to 80%.
Our services
- Geotechnical inspection
- Project and structural engineering planning (service phases 1-7) for the stabilization
- Specialist support
- Environmental screening
- Preparation of nature conservation documents for the purposes of approval planning
- Landscape management support plan
- Species protection examination
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Expansion of spoil dump in "Schledde" quarry, Hemer
Developer
Stricker-Weiken GmbH & Co. KG, Warstein
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PDF, 834 KByte
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Project
- Stabilization of the spoil dump in the "Schledde" quarry in Hemer
- Dump expanded by approx. 2 ha to a total surface area of 4 ha
- Measures to establish a stable dump
Our services
- Subsoil analyses
- Stability investigations pursuant to DIN 4084
- Planning and development of measures to improve the stability of the dump
- Concept design and surveying of a settling and retention basin as a receiving and settling basin for eroded soil material
- Laboratory tests to determine the installation criteria
- Measures to prevent soil subsidence close to the surface and slaty erosion
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Rock stabilization on DB track Aachen - Kassel, Olsberg
Developer
DB Netz AG, Münster
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PDF, 126 KByte
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Project
- Track endangered by rockfall from the slope, which is up to approx. 20 m high
- Rock stabilization on the track section (2550) Aachen - Kassel, km 236.9 - 237.3
- The rock slope affected is located approx. 2.7 km east of Olsberg
- The rock slope has other endangered areas
Our services
- Geotechnical analysis of the slope
- Site survey
- Geological engineering report
- Planning of the remedial measure and permanent stabilization of the track section (performance phases 1-7)
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Rote Halde landfill, Iserlohn-Letmathe
Developer
Lobbe Abfall GmbH, Iserlohn
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PDF, 883 KByte
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Project
- Sealing of a soil and buildings materials landfill site of DKI
- Establishment of the surface seal comprising bentonite mat, drainage layer and recultivated soil
- 54,000 m² largely with incline of 1:3, in some areas with incline 1:2; in these areas tensile forces must be absorbed and diverted by geogrids
Our services
- Planning, quality assurance and project coordination
- Expert technical consultancy
- Supervision of works
- Preparation of the tender documents, QA plan and geotechnical evidence
- Self-supervision
- Geotechnical laboratory tests
- Concept design and planning of construction water drainage system
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Rockfall hazard within Essen metropolitan area, rock slope at Ruhrtalstraße 200, Essen
Developer
City of Essen, environmental agency
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PDF, 1125 KByte
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Project
- Stabilization measures to eliminate rockfall hazards on 2 residential properties
- Rock slope in Essen metropolitan area behind building at Ruhrtalstraße 200
- Slope height approx. 20 m - 25 m
- 2 rockfall and landslide events
- Unfavourable stratification and fissures
- Global stability risk
- Stabilization with wire rope overnetting and back-anchored anchor beams
Our services
- Geotechnical inspection of the rock slopes
- Recording of the condition of the rock outcrops
- Project and structural engineering planning services for stabilizing the rock slopes
- Local supervision of works for stabilization against rockfall hazards
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Rock stabilization of quarry wall in ENCI lime works
Developer
ENCI, Maastricht, Netherlands
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PDF, 570 KByte
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Project
- Continuous rock and slope stabilization of the quarry wall
- Slope height approx. 50 m, slope sometimes overhanging
- Area approx. 1,800 m2
- Drape system braced using rock nails with Flexkopf
Our services
- Execution planning for the overnetting with a rockfall protection curtain
- Preparation of the stability tests
- Construction support
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Slope stabilization Luitpoldhütte landfill site in Amberg
Developer
Luitpoldhütte AG, Amberg
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PDF, 150 KByte
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Project
- The landfill site has on its eastern side a steep slope of about 15 m in height covering a distance of approx. 220 m until immediately adjacent to a side road
- Collapse of the slope on the eastern flank
- Approx. 40 x 60 m of the slope surface set in motion and spilled onto the adjacent road
Our services
- Geotechnical field and laboratory tests and examinations
- Stability investigations pursuant to DIN 4084
- Planning of the renovation of the slipping mass having due consideration for landfill regulations
- Geotechnical report with recommendations for action
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Slope slippage Kotthausen
Developer
DB Netz AG, Münster
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PDF, 155 KByte
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Project
- Landslip at km 51.450 on DB track section 2810, Gummersbach- Marienheide
- Collapse of the cut slope on the right of the track
- As a result of the landslip soil spilled onto the one-track line over a distance of about 30 m and caused a suspension of rail services
- Slipping mass in the loose/solid rock transition with the inclusion of water
Our services
- Geotechnical inspection
- Investigation concept for field work
- Subsoil evaluation
- Study of options
- Planning of structural and supporting frameworks for remedial action
- Investigation concept for field work
- Environmental screening
- Landscape management support plan
- Species protection examination
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Slope instability at Igelsdorf
Developer
DB Netz AG, Regionale Instandetzung Nürnberg
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PDF, 140 KByte
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Project
- DB track section 5320 Treuchtlingen-Nuremberg
- Side slope at km 44.800 at Igelsdorf
- Significant cracking of the shell extending over approx.18 x 10 m L x H in the lower half of the slope
- Remedial action due to active slippage
Our services
- Geotechnical investigative services
- Regular monitoring of the slippage
- Supervision of initial slope stabilization of the slipping mass
- Construction support and monitoring of the first renovation measures
- Geotechnical site survey, mapping
- Surveying of test pits
- Laboratory tests
- Assessment of the stability of the slope
- Risk assessment
- Elaboration of stabilization and renovation proposals including cost estimate
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Göggelsbuch tunnel
Developer
DB Netz AG, Nuremberg
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PDF, 243 KByte
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Project
- High-speed rail line 5934, new Nuremberg-Ingolstadt section
- Northern mouth I cutting
- Slope instability at the northern end of the Göggelsbuch tunnel
Our services
- Geotechnical site survey
- Trial pits
- Laboratory tests
- Assessment of the stability of slopes and inclines
- Risk assessment
- Elaboration of stabilization and renovation proposals
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Renovation of waste heap
complex 371 into meadow
Developer
Saxony Regional Office for Environment and Geology
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PDF, 638 KByte
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Project
- Final configuration of the waste heap, including the relevant road, path, waterway and landscape engineering
- Volume totalling 13.7m m³ and a contact area of approx. 67 ha
Our services
- External monitoring of the quality of the work to renovate and return the waste heap to use
- Monitoring of execution of the works for conformity with radiation protection limits and compliance with rules of the art for road, waterway and landscape engineering
- Checks of the redistribution and profiling work, determination of the degrees of compaction, achieved degrees of compaction including permeability coefficients and aggregate gradation, evidence of suitability of the top layers, application of the top layers on the slopes and parts of the plateau and expansion of seepage water catchments
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RheinPark Duisburg
Developer
EG DU, Entwicklungsgesellschaft Duisburg mbH
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PDF, 809 KByte
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Project
- Conversion of an industrial site as a park facility
- Area approx. 70 ha
- Demolition of buildings, removal of rail facilities
- Remodelling of the site by constructing new bank consolidations (sheet piling) and supporting walls (rectangular bracket walls, partly with deep foundations)
- Laying out paths and the formal public spaces
Our services
- Examination for unexploded ordnance
- Investigation of subsoil, with core drilling and soundings
- Soil mechanics lab tests
- Assessment of subsoil and advice on foundations pursuant to HOAI § 92, Lph 1 to 3
- Planning of supporting frameworks pursuant to HOAI § 64, Lph. 1 to 6, for bank constructions and supporting walls
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Renewal of Nittel Tunnel,
landslip protection
Developer
DB ProjektBau GmbH, Frankfurt
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PDF, 554 KByte
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Project
- Scope: 250,000 m³ soil / rock
- Significant movements due to carry-off of soil masses in early 1960s (foot layer of side slope reduced by 3,400 t)
- Raising of the water level of the Moselle by 4.5 m (increase)
- Settlement during B 419 widening, following poss. explosions at the Wellen lime extraction works
Our services
- Investigations into the safe status of the Nittel landslip
- Devising a calculation model for recalculating the historic slip
- Devising a calculation model for a relevant cross-section in the pan area
- Agreeing the model and the calculation parameters with the Rhineland-Palatinate Land office for geology and mining
- Recalculation of the historic slip
- Calculating possible areas of slippage in the selected cross-section of the Nittel pan
- 3 core drillings with installation of inclinometers
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Redevelopment of the slag heap
in Muldenhütten
Developer
SAXONIA Standortentwicklungs- und - Verwaltungs GmbH, Freiberg
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PDF, 653 KByte
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Project
- Securing an old industrial storage site with slope heights of up to 30 m
- Angle of incline up to 38°
- Foot of slope in the area of water exchange for the Mulde, over a length of approx. 350 m, total area approx. 1.6 ha
- Securing the foot of the slope
Our services
- Devising a full set of plans for the selected option for securing the heap
- Planning the construction engineering, working in a contaminated area
- Devising a schedule of construction periods and costs
- Negotiations with the authorities over the fundamental suitability for approval of works; devising documents for the necessary permissions for submitting to the authorities
- Execution planning; preparing award of contract and assisting with award of contract, construction site management, documentation of redevelopment, proofs of safe status for the side slopes of the heap and the covering
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Rectifying floodwater damage, Freiberger Mulde, Muldenbogen
Developer
Landestalsperrenverwaltung Sachsen
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PDF, 646 KByte
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Project
- Rectifying floodwater damage over a part section of the Freiberger Mulde, approx. 500 m long
- Repairs required to approx. 200 m of supporting wall, steep-sided slopes and river bed side beaching
- Securing an area of damage on one bank wall (natural stone dry masonry)
- Securing the foot of the side slope over a run of approx. 30 m
Our services
- Planning pursuant to HOAI, § 55, Lph 1 to 9, investigation of subsoil and assessments of masonry work
- Determining the conditions of the subsoil and foundations in the area at risk, geotechnical recording of the exposed rock slopes in the area under investigation; suggestion for repair, proof of safe status for the bank walls and the adjoining slope, execution planning and monitoring of construction
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Redevelopment of the
Hohe Esse slag heap in Halsbrücke
Developer
SAXONIA Standortentwicklungs- und - Verwaltungs GmbH, Freiberg
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PDF, 513 KByte
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Project
- Securing an old industrial storage site with slope heights of up to 50 m
- Angle of incline approx. 33° to 39°
- Foot of slope close to transport areas used by the public, over a length of approx. 150 m, total area approx. 1.5 ha
- Securing the foot of the slope and the area of the slope
Our services
- Devising a full set of plans for the selected option for redevelopment, comprising a section with biological engineering solutions and a section with technical solutions
- Plan for safe working
- Planning of works in a contaminated area (BGR 128)
- Coordination of health and safety Planning all services pursuant to HOAI § 55, Lph 1-9
Planung aller Leistungen gemäß HOAI § 55,
Lph 1-9
- Negotiations with the authorities over the fundamental suitability for approval of works
- Proof of safe status for the side slopes of the heap and the covering
- Investigations of the subsoil
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Extension to the L 346 local road,
Bad Teinach - Zavelstein
Developer
Bad Teinach-Zavelstein Town Authorities
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PDF, 841 KByte
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Project
- Renewal of the steep local road positioned on the side of the valley
- Valley-side installation of a pedestrian walkway as a reinforced concrete bridge construction
- Bridge length 340 m, total length of road extension 415 m
- Foundations using large cast-in-situ concrete piles
Our services
- Investigation of subsoil, report on foundations
- Formal recording of evidence
- Planning designs pursuant to HOAI § 55, Lph 1-4 and 6 for bridges, road construction and drainage
- Planning of supporting frameworks, HOAI § 64, Lph for the bridge
- Tender for the overall measure
- Local site supervision
- Coordinating health and safety
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