EP0272473A2 - Procédé pour étayer les murs de soutènement - Google Patents

Procédé pour étayer les murs de soutènement Download PDF

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Publication number
EP0272473A2
EP0272473A2 EP87117271A EP87117271A EP0272473A2 EP 0272473 A2 EP0272473 A2 EP 0272473A2 EP 87117271 A EP87117271 A EP 87117271A EP 87117271 A EP87117271 A EP 87117271A EP 0272473 A2 EP0272473 A2 EP 0272473A2
Authority
EP
European Patent Office
Prior art keywords
wall
pillar
retaining wall
cavities
retaining
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
EP87117271A
Other languages
German (de)
English (en)
Other versions
EP0272473A3 (en
EP0272473B1 (fr
Inventor
Kurt G. Dipl.-Ing. Ross
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT87117271T priority Critical patent/ATE65564T1/de
Publication of EP0272473A2 publication Critical patent/EP0272473A2/fr
Publication of EP0272473A3 publication Critical patent/EP0272473A3/de
Application granted granted Critical
Publication of EP0272473B1 publication Critical patent/EP0272473B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E02D29/0258—Retaining or protecting walls characterised by constructional features
    • E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ

Definitions

  • the invention relates to a method for intercepting retaining walls with the soil behind them by subsequent attachment of spaced-apart reinforcement ribs which extend essentially perpendicular to the retaining wall.
  • a disadvantage of this measure is that the reinforcing ribs forming the supporting pillars on the front of the wall often interfere. On the one hand, space is required, which is often not available there because paths or roads lead along the retaining wall; on the other hand, the appearance of the retaining wall is significantly changed by the supporting pillars.
  • the object of the invention is therefore to provide a statically verifiable method of the type mentioned, with which retaining walls to be renovated can be intercepted, the measures to be carried out on the back of the wall being connected with as little effort as possible and the front of the wall should remain unaffected.
  • reinforcing ribs are attached as pillar reserves on the back of the wall facing the ground and in that on the back of the wall the appropriate pillar cross-sections are produced and then filled with cement-bound pillar material.
  • the pillar reserves formed in this way which are spaced apart and occupy a relatively small cross-sectional area in relation to the total area of the retaining wall, form an intimate connection and a monolithic unit with the retaining wall by interlocking with the irregular back of the wall.
  • the pillar reserves exert a supporting effect on the retaining wall that is comparable to the supporting effect of a supporting pillar arranged on the front side of the wall.
  • the principle is based on the rib reinforcement of free wall lengths and the reduction of earth pressure by absorbing frictional forces on the rib surfaces (pillar surfaces) created by the increase in area.
  • the recording of the earth pressure can be verified with the help of soil parameters and represents a statically determinable system that can do without the constructive solution provided in AT-PS 217 676.
  • the static system is achieved by a "single-field beam effect" of pillars and pillars and the spacing of the pillars is kept so small that the remaining space does not allow tensile stress on the masonry.
  • the dimensions of the pillar reserves are relatively small and are limited to the minimum static size.
  • the cavities are filled in by blowing gravel in and grouted by injecting cement suspension.
  • the reinforcing ribs are thus made of concrete, which has sufficient tensile strength even without reinforcement, in particular at the connection point to the rear of the wall, in order to transmit the required supporting forces to the retaining wall.
  • the cavities are rinsed out by one or more flushing bores and drain bores reaching through the retaining wall and the back of the wall is cleaned by means of high-pressure water jets before the pillar material is introduced into the cavities.
  • the required work on the back of the wall can be carried out with very minor interventions on the retaining wall that do not change the appearance of the retaining wall.
  • a retaining wall 1 consisting, for example, of old masonry, which according to its cross-section cannot be regarded statically as a heavyweight wall, supports the soil behind it. If necessary, the retaining wall 1 can be renovated in the usual way from the front side 3, in particular by pressing out the Masonry with mortar and by grouting.
  • pillar reserves 4 have been attached to the rear of the retaining wall 1 at statically determinable intervals, which form reinforcing ribs.
  • the pillar reserves can be trapezoidal, for example.
  • the pillar depth increases from a pillar crown 5 to the pillar foot 6 with a constant width.
  • other pillar shapes can also be selected, for example triangular shapes.
  • the pillar crown 5 is preferably below the surface of the earth.
  • the cavity 7 corresponding to the pillar cross-section (FIG. 3) is produced on the rear wall 8 in that one or more flushing holes 9 are made from the front wall 3 through the flushing nozzles 10 will be introduced.
  • one or more drain holes 10 are provided at the foot of the retaining wall 1.
  • the soil on the back of the wall 8 is flushed out in the statically determined area and transported out through the drain holes 10a until the cavity 7 is formed in the desired shape.
  • the back of the wall 8 is completely cleaned by water jets 11 (FIG. 4) which are directed against the back of the wall 8 by a rinsing nozzle 12.
  • the pillar material is then introduced into the cavity 7.
  • a gravel filling 14 can first be blown into the cavity through a larger opening 13, which is then mortared by the injection of cement suspension by means of an injection lance 15.
  • the pillar reserves 4 made of concrete after setting together with the retaining wall 1 form a monolithically uniform structure which is sufficiently stiff to absorb the earth pressure of the existing soil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Retaining Walls (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Paper (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP87117271A 1986-12-24 1987-11-24 Procédé pour étayer les murs de soutènement Expired - Lifetime EP0272473B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87117271T ATE65564T1 (de) 1986-12-24 1987-11-24 Verfahren zum abfangen von stuetzmauern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3644399 1986-12-24
DE19863644399 DE3644399A1 (de) 1986-12-24 1986-12-24 Verfahren zum abfangen von stuetzmauern

Publications (3)

Publication Number Publication Date
EP0272473A2 true EP0272473A2 (fr) 1988-06-29
EP0272473A3 EP0272473A3 (en) 1988-11-30
EP0272473B1 EP0272473B1 (fr) 1991-07-24

Family

ID=6317165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117271A Expired - Lifetime EP0272473B1 (fr) 1986-12-24 1987-11-24 Procédé pour étayer les murs de soutènement

Country Status (5)

Country Link
EP (1) EP0272473B1 (fr)
AT (1) ATE65564T1 (fr)
DE (2) DE3644399A1 (fr)
ES (1) ES2024480B3 (fr)
GR (1) GR3002773T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201356A (nl) * 1992-07-27 1994-02-16 Aannemingsbedrijf Cultuurweg B Monoliet damwandstabilisering.
DE102006018692A1 (de) * 2006-04-21 2007-10-25 Ross, Kurt G., Dipl.-Ing. Verfahren zur Sicherung von Stützmauern
CN110106914A (zh) * 2019-06-06 2019-08-09 长沙学院 一种重力式挡土墙加固装置和方法
KR20210026512A (ko) 2019-08-30 2021-03-10 주식회사 만도 전자식 브레이크 시스템 및 그 제어방법
KR20220011961A (ko) 2020-07-22 2022-02-03 주식회사 만도 전자식 브레이크 시스템 및 그 제어방법

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004001559B4 (de) * 2004-01-10 2014-07-03 Bau-Sanierungstechnik Gmbh Verfahren zum Abfangen von Stützmauern
CN108396605A (zh) * 2018-02-12 2018-08-14 中交第二公路勘察设计研究院有限公司 下伏深埋窑洞路基结构及施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2233872A (en) * 1936-07-27 1941-03-04 California Talc Company Means and method for solidifying underground structures
US2187324A (en) * 1937-09-15 1940-01-16 Benjamin J Many Method of and means for repairing masonry structures
DE1634431A1 (de) * 1967-07-25 1970-06-25 Kunz Alfred & Co Verfahren zum Wiederherstellen der Tragfaehigkeit baufaellig gewordener Gruendungskoerper
NL7904070A (nl) * 1979-05-23 1980-11-25 Henricus Fredericus Josephus M Werkwijze voor het dichten van een gat in een keerwand, meer in het bijzonder damwand, alsmede keerwand, be- handeld onder toepassing van deze werkwijze.
EP0151389B1 (fr) * 1984-01-11 1990-07-25 Stump Bohr GmbH Méthode et dispositif pour la réalisation d'éléments de construction dans le sol tels que pieux, ancrages injectés, murs souterrains ou similaires

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201356A (nl) * 1992-07-27 1994-02-16 Aannemingsbedrijf Cultuurweg B Monoliet damwandstabilisering.
DE102006018692A1 (de) * 2006-04-21 2007-10-25 Ross, Kurt G., Dipl.-Ing. Verfahren zur Sicherung von Stützmauern
CN110106914A (zh) * 2019-06-06 2019-08-09 长沙学院 一种重力式挡土墙加固装置和方法
KR20210026512A (ko) 2019-08-30 2021-03-10 주식회사 만도 전자식 브레이크 시스템 및 그 제어방법
KR20220011961A (ko) 2020-07-22 2022-02-03 주식회사 만도 전자식 브레이크 시스템 및 그 제어방법

Also Published As

Publication number Publication date
EP0272473A3 (en) 1988-11-30
DE3771682D1 (de) 1991-08-29
ATE65564T1 (de) 1991-08-15
ES2024480B3 (es) 1992-03-01
DE3644399A1 (de) 1988-07-07
EP0272473B1 (fr) 1991-07-24
GR3002773T3 (en) 1993-01-25

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