EP0691437A1 - Procédé pour sécuriser les surplombs - Google Patents

Procédé pour sécuriser les surplombs Download PDF

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Publication number
EP0691437A1
EP0691437A1 EP95250163A EP95250163A EP0691437A1 EP 0691437 A1 EP0691437 A1 EP 0691437A1 EP 95250163 A EP95250163 A EP 95250163A EP 95250163 A EP95250163 A EP 95250163A EP 0691437 A1 EP0691437 A1 EP 0691437A1
Authority
EP
European Patent Office
Prior art keywords
slope
plants
branches
slopes
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95250163A
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German (de)
English (en)
Other versions
EP0691437B1 (fr
Inventor
Jürgen Prof. Dipl.-Ing. Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johann Bunte Bauunternehmung & Co KG GmbH
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Individual
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Filing date
Publication date
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Publication of EP0691437A1 publication Critical patent/EP0691437A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
    • E01F8/021—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with integral support structure
    • E01F8/026—Live wall, e.g. interlaced twines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements

Definitions

  • the invention relates to a method for fastening slopes according to the preamble of patent claim 1.
  • Unpaved slopes tend to slip due to the tensile and shear forces that occur, especially when additional forces are exerted on the slope from the top edge of the terrain. These forces occur e.g. due to the weight of buildings erected on the top of the site or trains traveling over the top of the site. The forces that can cause the slope to slide depend on the slope and the nature of the slope.
  • Soil or rock nailings are support structures that act as composite bodies.
  • Nail walls consist of three elements, namely the existing floor or rock, the inserted steel or plastic rods and a thin protective skin on the front of the wall.
  • the floor is lifted from top to bottom on individual floors and the exposed wall surface is quickly secured with shotcrete.
  • the nails with a rod diameter of approx. 20-30mm are usually inserted into the floor approximately perpendicular to the wall surface. This can be done by ramming, drilling, flushing or vibrating.
  • the annular space created by the hole is filled with cement mortar and pressed.
  • the nail head After the cement mortar has hardened, the nail head must be non-positively connected to the shotcrete skin. Immediately afterwards, a new layer can be excavated.
  • the length of the nails corresponds to about 0.5-0.7 times the wall height, depending on the soil or rock properties, geometric conditions and external loads. Soil and rock nailings have been used frequently since around 1970, especially in the Austrian Alpine region.
  • the method which was previously only based on empirical design approaches, has been improved in the course of the last few years to a method to be calculated with the aid of statics (Grundbau-Taschenbuch Part 3 3rd edition; Verlag Ernst & Sohn, Berlin 1987).
  • the disadvantage of this method is the use of unnatural building materials, which represents a significant interference in the natural balance.
  • the thin shotcrete skin acts like a seal on the floor.
  • Rainwater can no longer seep into the ground through the shotcrete skin and consequently flows down the slope, where it has to be drained off via the sewer system and is therefore removed from the groundwater cycle.
  • the materials used are exposed to the usual wear processes such as corrosion, so that the quality of the slope fastening decreases over time.
  • Another option for securing slopes is layer construction. Living plants are placed on the slope. When building hedges, rooted plants are placed so close to one another on a berm or terrace 0.5 to 0.7m deep, the lying area of which should rise at least 10% to the outside, that they protrude about a third of their entire length beyond the level. Spill-resistant deciduous trees with the ability to develop adventitious roots are preferred. Another variant is the construction of the bush layer. Starting at the base of the slope, ditches or terraces from 50 to 100 cm wide are drawn. Your planum should rise at least 10 ° outwards so that the branches later root along the entire length.
  • the shrubbery is laid on these terraces in such a way that branches of at least 1m in length only protrude a fifth to a quarter of their entire length.
  • the branches are crossed and not laid in parallel so that pieces of earth are covered for as long as possible.
  • not only different types of plants are mixed, but also different ages and branches.
  • the object of the invention is therefore to provide a method for slope fixing, in which the slope stability is predictable and permanent, and consequential damage can be avoided.
  • the invention is explained below with reference to an embodiment shown in the drawing.
  • the single figure shows a basic illustration of a support body in the form of a slope fastening reinforced by branches and twigs.
  • a slope of height H to be secured is shown in FIG. Without fastening, the tensile and shear forces that arise result in a maximum fracture area 1 with a maximum width B occurring on the upper edge of the slope.
  • branches and branches 2 By deliberately inserting branches and branches 2 into the depth b of the slope, the soil mechanical fracture properties of the slope are disturbed in such a way that that the slope reacts like a composite or monolith.
  • the depth b of the branches and branches, as well as the distance h between the mounting brackets depends on the angle of inclination, the height and the material properties of the slope. The relationships are to be illustrated using a numerical example.
  • the number of branches and branches 2 to be used is 11 per running meters built-in, ie 220 branches and branches 2 per running meter of slope to achieve an inclination of the decisive fracture surface of 42 °, i.e. smaller than the inclination angle of 45 ° of the slope.
  • the 3 ° difference is necessary to comply with the safety margins specified by the DIN regulations.
  • the distance between parallel individual branches and branches 2 to each other in a built-in berm should be at least 0.02m, so that there are no mutual negative influences. This also limits the number of branches and branches per running meter of installation height.
  • the method is preferably used for slopes that are only formed by fillings, since the introduction of the plants and / or parts of plants can thereby be handled particularly easily. But it is also suitable for existing slopes.
  • slopes up to an inclination of 70 ° can be attached, so that it is suitable for attaching slopes and embankments as well as for attaching sound insulation walls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Cultivation Of Plants (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP95250163A 1994-07-09 1995-07-05 Procédé pour sécuriser les surplombs Expired - Lifetime EP0691437B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424212 1994-07-09
DE4424212A DE4424212A1 (de) 1994-07-09 1994-07-09 Verfahren zur Befestigung von Hängen

Publications (2)

Publication Number Publication Date
EP0691437A1 true EP0691437A1 (fr) 1996-01-10
EP0691437B1 EP0691437B1 (fr) 1999-11-03

Family

ID=6522722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95250163A Expired - Lifetime EP0691437B1 (fr) 1994-07-09 1995-07-05 Procédé pour sécuriser les surplombs

Country Status (7)

Country Link
US (1) US5702207A (fr)
EP (1) EP0691437B1 (fr)
AT (1) ATE186352T1 (fr)
DE (2) DE4424212A1 (fr)
DK (1) DK0691437T3 (fr)
ES (1) ES2138142T3 (fr)
GR (1) GR3032414T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072687A1 (fr) * 2007-12-18 2009-06-24 Schulze und Matthes G.b.R. Procédé d'augmentation de la sécurité de position de masses de sol naturellement présentes ou déversées par introduction d'éléments de renforcement, de préférence des éléments de renforcement végétatifs, et agencement destiné à l'exécution du procédé

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6524027B1 (en) 2000-05-03 2003-02-25 Dst Consulting Engineers Inc. Stabilization system for soil slopes
DE10220481A1 (de) * 2002-05-07 2003-11-27 Lbe Lebend Bewehrte Erde Ag Verfahren zur Befestigung von Hängen
DE10323141B4 (de) * 2003-05-22 2005-12-22 Ross, Kurt G., Dipl.-Ing. Verfahren zur statischen Sicherung von Stützmauern und Füllpackung hierfür
DE202008000025U1 (de) 2008-03-11 2008-08-14 S. Schulze und S. Matthes GbR (vertretungsberechtigter Gesellschafter: Herr Dipl.-Ing. Siegfried Matthes, 10963 Berlin) Begrünbare Außenhaut einer Böschung, bei der Teile der Außenhaut mit einer textilen Gewebe- oder Gewirkeschicht abgedeckt sind
DE102012111002A1 (de) 2012-11-15 2014-06-18 Jähne Gmbh Für Produktinnovationen Verfahren und Vorrichtung zur Erhöhung der Stabilität von Bodenmassen
CN111335341B (zh) * 2020-04-02 2024-07-05 贵州正业工程技术投资有限公司 一种跨越岩体裂缝的生态混凝土护坡结构及其施工方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU895359A1 (ru) * 1980-06-18 1982-01-07 Kavkazskij Vnii Lesovodstva Me способ Закрепления горных склонов1
EP0216422A1 (fr) * 1985-09-10 1987-04-01 Holding Riede B.V. Mur anti-bruit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0124551A1 (fr) * 1982-10-27 1984-11-14 JENSEN, Henning Mur de plantes utilisable comme barriere anti-bruit
DE3402531C2 (de) * 1984-01-26 1986-03-27 Wolfgang 2833 Groß Ippener Behrens Trockenrasenbauwerk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU895359A1 (ru) * 1980-06-18 1982-01-07 Kavkazskij Vnii Lesovodstva Me способ Закрепления горных склонов1
EP0216422A1 (fr) * 1985-09-10 1987-04-01 Holding Riede B.V. Mur anti-bruit

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Grundbau-Taschenbuch", part 3 1987, VERLAG ERNST & SOHN, BERLIN
DATABASE WPI Week 8246, Derwent World Patents Index; AN 82-Q1035E *
K. WOODTLI: "erfahrungen mit lebendverbaumethoden", ROUTE ET TRAFFIC, vol. 64, no. 4, 13 April 1978 (1978-04-13), pages 134 - 139 *
VIDAL: "reinforced earth. A new material for civil engineering construction.", BUILDING SIENCE ABSTRACTS, vol. 39, November 1966 (1966-11-01), pages 332 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072687A1 (fr) * 2007-12-18 2009-06-24 Schulze und Matthes G.b.R. Procédé d'augmentation de la sécurité de position de masses de sol naturellement présentes ou déversées par introduction d'éléments de renforcement, de préférence des éléments de renforcement végétatifs, et agencement destiné à l'exécution du procédé

Also Published As

Publication number Publication date
DE59507162D1 (de) 1999-12-09
US5702207A (en) 1997-12-30
EP0691437B1 (fr) 1999-11-03
ATE186352T1 (de) 1999-11-15
DK0691437T3 (da) 2000-03-27
GR3032414T3 (en) 2000-05-31
ES2138142T3 (es) 2000-01-01
DE4424212A1 (de) 1996-01-18

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