EP0351229A2 - Bodenverstärkung - Google Patents
Bodenverstärkung Download PDFInfo
- Publication number
- EP0351229A2 EP0351229A2 EP89307151A EP89307151A EP0351229A2 EP 0351229 A2 EP0351229 A2 EP 0351229A2 EP 89307151 A EP89307151 A EP 89307151A EP 89307151 A EP89307151 A EP 89307151A EP 0351229 A2 EP0351229 A2 EP 0351229A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- soil
- reinforcement
- elements
- spirals
- laid
- 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.)
- Withdrawn
Links
Images
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
- E02D29/0225—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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
Definitions
- This inventions relates to earth and soil reinforcement (conveniently referred to as soil hereafter).
- the engineering properties of soil may be improved in certain conditions by the introduction of reinforcement elements.
- top down The construction technique employed in soil nailing is generally referred to as "top down", Grouting techniques are usually employed to bond the reinforcements to the surrounding soil and hence transfer the shear force to the soil.
- a method of soil reinforcement which includes the use of reinforcement elements in which the reinforcement elements are in the form of spirals.
- the spirals may be continuous, whilst in an alternative form the spirals may be intermittent (ie. interspersed with portions of other shapes).
- the elements are formed of stainless steel.
- the spirals of the elements are of substantially flattened section, ie, that which would be obtained by twisting a flat strip of metal into a spiral.
- the reinforcement elements may be laid between layers of soil and/or aggregates which are laid horizontally, sub-horizontally, vertically or sub-vertically. They may be laid singly, singly spaced apart, or in groups.
- a reinforcing element 10 is of flattened section twisted into a spiral as can be seen from the cross-section in Figure 1A.
- 'D' indicates the diameter
- 'P' indicates the pitch
- 't' indicates the thickness.
- the D and P parameters are important in relation to the category and soil specifications ie, whether it is granular, clay or the like, along with particle size and shape.
- the thickness t will basically control the strip strength together with the diameter D.
- Figure 2 shows an arrangement in which a second strip indicated generally at 11 has a spiral portion 12 a flat portion 13 and a second spiral portion 14 and a second flat portion 15.
- the length of the spiral portion 12 is indicated by A, that of the flat portion 14 by B, and that of the spiral portion 14 by C.
- the respective lengths of the portions are indicated by a, b & c.
- the ratios a/b, b/c or a/c are determined by the soil structure and application.
- the portions 13 and 15 are conveniently made from an untwisted portion of the spiral.
- Either of the arrangements shown in Figures 1 and 2 may be made from any suitable material compatible with the soil structure and working environment. If longevity is aonsideration they are preferably made of stainless steel.
- a strip 16 has secured to one end thereof an anchor 17.
- the anchor preferably incorporate means to secure the end of the strip either by bonding or welding, and may be of any suitable shape.
- the density and reinforcement configuration will be a function of the soil structure, grading and structural function.
- the reinforcements may be laid between layers of soil and/or aggregates and may be laid horizontally, sub-horizontally, vertically or sub-vertically according to the requirements of the site.
- One or more layers of the reinforcements may be used and may for example be spaced from one another according to the requirements of the site. They may lie parallel to the slope, and normal to the reinforcing wall or although other angles may be used if required. They may be laid singly, pairs or more, laid close to one another, or in any suitable configuration known in the art.
- the reinforcing elements according to the present invention are particularly useful in increasing and improving soil reinforcement because of their shape and strength. Furthermore when they are made of stainless steel there is no tendency to corrode in normal environmental conditions.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8816849 | 1988-07-15 | ||
GB888816849A GB8816849D0 (en) | 1988-07-15 | 1988-07-15 | Improvements relating to earth reinforcement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0351229A2 true EP0351229A2 (de) | 1990-01-17 |
EP0351229A3 EP0351229A3 (de) | 1990-04-04 |
Family
ID=10640493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89307151A Withdrawn EP0351229A3 (de) | 1988-07-15 | 1989-07-14 | Bodenverstärkung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0351229A3 (de) |
GB (2) | GB8816849D0 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0707117A1 (de) * | 1993-03-31 | 1996-04-17 | The Reinforced Earth Company | Bausteinstützmauerkonstruktion und Komponente dafür |
US5642968A (en) * | 1993-03-31 | 1997-07-01 | Societe Civile Des Brevets Henri C. Vidal | Modular block retaining wall construction and components |
US5807030A (en) * | 1993-03-31 | 1998-09-15 | The Reinforced Earth Company | Stabilizing elements for mechanically stabilized earthen structure |
WO2023073394A1 (en) * | 2021-10-29 | 2023-05-04 | Soletanche Freyssinet | Reinforcement member for a stabilized soil structure, and stabilized soil structure including such reinforcement member |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2021458A1 (de) * | 1968-10-24 | 1970-07-24 | Chitis Wolf | |
US3724145A (en) * | 1971-04-05 | 1973-04-03 | D Daniel | Apparatus for anchoring a structure to earth matter |
FR2202549A5 (de) * | 1972-10-09 | 1974-05-03 | Goldenberg Sa | |
FR2212469A1 (de) * | 1972-12-28 | 1974-07-26 | Gescoriac | |
GB2014221A (en) * | 1977-11-15 | 1979-08-22 | Transport Secretary Of State F | Stabilising Elements for Earth Structures |
GB1580142A (en) * | 1976-07-15 | 1980-11-26 | Bauer Spezialtiefbau | Process for staking soil |
EP0333576A2 (de) * | 1988-03-18 | 1989-09-20 | Institut Textile De France | Dreidimensionales Material zur Erdverstärkung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2325778A1 (fr) * | 1975-09-26 | 1977-04-22 | Vidal Henri | Armature pour ouvrage en terre armee |
JPS5854211B2 (ja) * | 1979-10-31 | 1983-12-03 | 日本サミコン株式会社 | ねじり貫入式pcらせん杭 |
NL8102327A (nl) * | 1981-05-12 | 1982-12-01 | Fundamentum Bv | Werkwijze voor het vervaardigen van een fundatiepaal alsmede een daarbij toe te passen buis. |
DE3624943A1 (de) * | 1986-07-23 | 1988-01-28 | Delmag Maschinenfabrik | Vorgefertigtes betonteil sowie verfahren zum einbringen eines solchen in das erdreich |
GB8726483D0 (en) * | 1987-11-12 | 1987-12-16 | Bicc Plc | Soil stabilisation |
-
1988
- 1988-07-15 GB GB888816849A patent/GB8816849D0/en active Pending
-
1989
- 1989-07-14 GB GB8916136A patent/GB2220689A/en not_active Withdrawn
- 1989-07-14 EP EP89307151A patent/EP0351229A3/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2021458A1 (de) * | 1968-10-24 | 1970-07-24 | Chitis Wolf | |
US3724145A (en) * | 1971-04-05 | 1973-04-03 | D Daniel | Apparatus for anchoring a structure to earth matter |
FR2202549A5 (de) * | 1972-10-09 | 1974-05-03 | Goldenberg Sa | |
FR2212469A1 (de) * | 1972-12-28 | 1974-07-26 | Gescoriac | |
GB1580142A (en) * | 1976-07-15 | 1980-11-26 | Bauer Spezialtiefbau | Process for staking soil |
GB2014221A (en) * | 1977-11-15 | 1979-08-22 | Transport Secretary Of State F | Stabilising Elements for Earth Structures |
EP0333576A2 (de) * | 1988-03-18 | 1989-09-20 | Institut Textile De France | Dreidimensionales Material zur Erdverstärkung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0707117A1 (de) * | 1993-03-31 | 1996-04-17 | The Reinforced Earth Company | Bausteinstützmauerkonstruktion und Komponente dafür |
US5642968A (en) * | 1993-03-31 | 1997-07-01 | Societe Civile Des Brevets Henri C. Vidal | Modular block retaining wall construction and components |
US5807030A (en) * | 1993-03-31 | 1998-09-15 | The Reinforced Earth Company | Stabilizing elements for mechanically stabilized earthen structure |
WO2023073394A1 (en) * | 2021-10-29 | 2023-05-04 | Soletanche Freyssinet | Reinforcement member for a stabilized soil structure, and stabilized soil structure including such reinforcement member |
Also Published As
Publication number | Publication date |
---|---|
GB8816849D0 (en) | 1988-08-17 |
GB8916136D0 (en) | 1989-08-31 |
GB2220689A (en) | 1990-01-17 |
EP0351229A3 (de) | 1990-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4834584A (en) | Dual swiggle reinforcement system | |
US7270502B2 (en) | Stabilized earth structure reinforcing elements | |
US6058662A (en) | Earth anchors and methods for their use | |
US20080063479A1 (en) | Pile coupling | |
US5419965A (en) | Reinforcing element with slot and optional anchoring means and reinforced material incorporating same | |
US6189281B1 (en) | Injection anchor | |
KR100979492B1 (ko) | 3중 나선구조의 록볼트 겸 지중앵커 및 그를 이용한 지반의 지지력 보강공법 | |
CN109457714A (zh) | 能够适应围岩大变形的预应力锚索锚墩结构 | |
EP0351229A2 (de) | Bodenverstärkung | |
EP0190117B1 (de) | Unterstützendes glied | |
CN110892114B (zh) | 桩 | |
US4171176A (en) | Flexible bar reinforced concrete pile and method of construction | |
CN209482323U (zh) | 能够适应围岩大变形的预应力锚索锚墩结构 | |
JP3300162B2 (ja) | 鋼製壁と鉄筋コンクリート床版との接合構造 | |
JPH11247189A (ja) | 鋼管製の継杭構造 | |
JP2618850B2 (ja) | 高耐力杭の施工法 | |
KR20050043815A (ko) | 옹벽 구축용 보강재 및 그의 제조방법 | |
EP0278145A1 (de) | Stützpaneel | |
CN209669861U (zh) | 预应力钢筋混凝土螺纹管桩 | |
KR102104599B1 (ko) | 고성능 프리캐스트 rc말뚝 및 이의 생산방법 | |
JP3681367B2 (ja) | 鉄骨柱と基礎コンクリートの接合構造 | |
CH666932A5 (de) | Zug- oder druckstab zur verbindung zweier betonteile. | |
JP3710434B2 (ja) | 拡幅道路 | |
KR102023418B1 (ko) | 시멘트 그라우트 강화형 지반보강 장치 및 이를 이용한 사면보강, 패널구조물 시공방법 | |
KR20040006401A (ko) | 옹벽 구축용 보강재 및 그의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): FR GB IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19901005 |