EP1496161B1 - Méthode de stabilisation de terrain pour une voie de traffic - Google Patents

Méthode de stabilisation de terrain pour une voie de traffic Download PDF

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Publication number
EP1496161B1
EP1496161B1 EP20040077004 EP04077004A EP1496161B1 EP 1496161 B1 EP1496161 B1 EP 1496161B1 EP 20040077004 EP20040077004 EP 20040077004 EP 04077004 A EP04077004 A EP 04077004A EP 1496161 B1 EP1496161 B1 EP 1496161B1
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EP
European Patent Office
Prior art keywords
layer
ground
planated
traffic route
walls
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.)
Expired - Lifetime
Application number
EP20040077004
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German (de)
English (en)
Other versions
EP1496161A1 (fr
Inventor
Wouter Theodoor Van Bijsterveld
Adriaan Hermann De Bondt
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.)
Ooms Avenhorn Holding BV
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Ooms Avenhorn Holding BV
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Publication date
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Publication of EP1496161A1 publication Critical patent/EP1496161A1/fr
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Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/006—Deep foundation of tracks
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/04—Foundations produced by soil stabilisation
    • 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
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades

Definitions

  • the invention relates to a method for stabilizing a ground for a traffic route, such as a road or a railway line, wherein at least one grave-shaped path is processed by loosening the soil material and mixing it with a stabilizing agent with a soil cultivation device in the direction of the route, whereby a reinforced Bottom wall is formed.
  • a traffic route can be formed relatively quickly in comparison to a conventional, time-consuming procedure with a sand body spill in areas with less load-bearing soil, such as loam / moor soils.
  • An accumulated sand body requires a long settlement waiting time before the traffic route can be completed, while remnants require relatively much maintenance.
  • floor walls a traffic route can not only be completed faster, but it also creates a low-setting construction and thus a reduction in the required maintenance.
  • the stabilization by the bottom walls is achieved by mixing the dissolved soil material with the stabilizing agent whose main component is cement, and the volume of which, according to the Dutch patent application 1010451, can be for example 10 to 25% of the volume of the dissolved soil material. After mixing, the volume of the mixture is therefore greater than the volume of the trench-shaped path.
  • the additionally formed volume is transported away as excess material, to which a special discharge system was attached to the mixing chamber in the device according to the Dutch patent application 1010451. After completion of the floor walls, these extend, as stated in German Patent Application 195 42 031, in the path direction under the path to be applied or the railway line to be created.
  • bottom walls In the above mentioned is spoken about at least two bottom walls.
  • a construction for supporting a lane with a tread width of 7.5 m is also discussed, below which four floor walls are mounted in the direction of the tarmac and is actually referred to as a composite, monolithic, inverted U-shaped bottom profile is.
  • the various forms of the floor profiles will continue to be referred to as tunnel profiles.
  • the leveled layer it may be preferred that the leveled layer extends protrusively past an outer bottom wall. Then, a bottom wall would each extend mainly vertically below an expected lane of a road-loading wheel of a vehicle traveling over the road.
  • a further layer consisting of a mixture of sand, cement and any further additions , is attached; This additional layer is mixed with the leveled layer during processing.
  • a subfloor of a layer of sand is applied for attaching the bottom walls, which in the processing of the leveled layer at least partially with the leveled layer is mixed.
  • the construction shown in the simple figure forms a two-lane road with a fully hardened width of approx. 7.5 m and on the opposite sides a semi-hardened roadside of approx. 2 m.
  • the procedure was as follows.
  • a layer of soil material of approx. 200 mm was excavated, with excavated grass and topsoil laid aside along the planned path.
  • excavated part was then one, forming a subfloor sand layer 2 of about 200 mm poured.
  • bottom walls 3 were then formed in the path direction with a cutting lance.
  • a cutting lance we mean a tilling device with the appearance of a chain saw with above-average dimensions, ie an elongated frame, which can have a width of several tens of centimeters and a length of several meters, around which a bucket wheel chain runs.
  • the paddle wheels are shaped so that the soil material is not as for example An excavator machine is dug, but is solved.
  • the soil thus dissolved in a trench-shaped path is then added with a stabilizing agent in suspension, for example at different injection sites along the frame.
  • the main constituent of the stabilizer for example, forms cement, but may also be any other suitable additive or a combination of materials.
  • the shape of the paddle wheels is further selected so that not only the soil material is dissolved, but also dissolved soil material and added stabilizer are mixed intensively.
  • a mixing amount is obtained which is greater than the soil dissolved in a trench-like path. If the additional amount obtained, which can not be accommodated in the bottom wall 3 and thus exits from the subfloor formed by the sand layer 2, is about 20%, this means that in the present case an excess of about 2m 3 / m road is formed , This excess is distributed over a width of 11.5 m, ie the intended roadway with semi-hardened roadside, which results in a leveled layer 4 with a thickness of about 170 mm. On this leveled layer 4, a sand layer 5 will then be applied to a height of about 300 mm above the original top edge 1 of the earth.
  • the layer structure thus obtained with a height of about 500 mm is shown in the left part of the simple figure.
  • These layers are mixed together using a roller mill.
  • a milling cutter we mean a soil cultivation device with which at least one horizontal layer of material can be intensively mixed and homogenized.
  • the bottom walls 4 extend with their upper ends into the sand layer 2 and are therefore taken along when processing the layer structure with the roller mill, so that the obtained, intensively mixed, horizontal layer 6 (see right part the simple figure) after curing together with the bottom walls 4 forms a one-piece, strong, torque-stable, stable and durable monolithic body, consisting of a horizontal load distribution layer supported by four vertical load-distributing layers integral therewith.
  • the width of 11.5 m generally can not be processed at one time with a tiller moving in the direction of the road.
  • the mixing or stabilization process is then commonly used several tracks instead.
  • the positions of the bottom walls 4 with respect to the overlap between different webs is an important focus, in particular, such an overlap preferably does not have to be at the location of a bottom wall 4.
  • the rather than tunnel profile to be designated body is a layer 7 of mixed granules with a thickness of about 250-340 mm attached and then a layer 8 of lightweight asphalt with a thickness of about 80 mm on a layer 9 of lightweight asphalt with a thickness of about 60 mm.
  • the road edges 10 are completed.
  • the path construction is completed by attaching an approximately 30 mm thick sound insulating cover layer 11.
  • the bottom walls seen in the path direction may have a deviating from a flat plane shape, for example, zigzag or wavy stretch.
  • the number of floor walls under the entire road does not always have to be the same.
  • one or more additional floor walls can be built in places over a certain distance.
  • depth and thickness of the bottom walls may vary with each other or in the path direction. This also applies to the thickness and the width of the leveled wall connecting the bottom walls to form a one-piece tunnel profile, which may or may not project beyond the outermost bottom walls.
  • the overhang may also be one-sided and the width of the overhang may change along the road.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Claims (7)

  1. Procédé pour stabiliser un sol pour une voie ou route de circulation, telle qu'une route ou une voie de chemin de fer, d'après lequel, à l'aide d'un dispositif de travail du sol, on réalise dans la direction de la trace, au moins une voie en forme de tranchée, par détachement du matériau du sol et mélange de celui-ci avec un agent de stabilisation, ce qui forme dans la direction de la trace, une paroi de sol renforcée, caractérisé en ce que dans la direction de la trace, on forme au moins deux parois de sol situées à distance l'une de l'autre, qui s'étendent essentiellement parallèlement l'une à l'autre, le mélange sortant de la voie en forme de tranchée, suite à l'addition de l'agent de stabilisation au matériau du sol, étant nivelé entre et par-dessus les parois de sol, en une couche qui, à l'aide d'un autre dispositif de travail du sol, est traitée de manière à ce que cette couche forme une unité ou un ensemble avec les extrémités supérieures des parois de sol.
  2. Procédé selon la revendication 1, caractérisé en ce que ladite couche nivelée s'étend au-delà, en saillie, d'une paroi de sol située à l'extérieur.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que sur ladite couche nivelée est rapportée une autre couche, constituée d'un mélange de sable, de ciment et d'éventuels autres additifs, cette autre couche étant mélangée à ladite couche nivelée lors de son traitement.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'avant la réalisation des parois de sol, on rapporte un manteau superficiel en une couche de sable, cette couche de sable étant mélangée, lors du traitement de la couche nivelée, au moins en partie à cette couche nivelée.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que sur une construction monolithique ainsi obtenue et constituée d'au moins deux parois de sol et d'une couche qui les relie et les recouvre au niveau de leurs extrémités supérieures, on rapporte d'autres couches de recouvrement.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que le détachement du matériau du sol dans une voie en forme de tranchée, et le mélange du matériau du sol détaché avec un agent de stabilisation, sont exécutés à l'aide d'une lance de fraisage.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que le traitement de la couche nivelée et d'une couche éventuellement rapportée par-dessus ou en-dessous, est effectué à l'aide d'un rouleau de fraisage.
EP20040077004 2003-07-11 2004-07-09 Méthode de stabilisation de terrain pour une voie de traffic Expired - Lifetime EP1496161B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023902A NL1023902C2 (nl) 2003-07-11 2003-07-11 Werkwijze voor het verstevigen van een bodem ten behoeve van een vekeerstracé, zoals een weg of een spoorbaan.
NL1023902 2003-07-11

Publications (2)

Publication Number Publication Date
EP1496161A1 EP1496161A1 (fr) 2005-01-12
EP1496161B1 true EP1496161B1 (fr) 2006-05-03

Family

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EP20040077004 Expired - Lifetime EP1496161B1 (fr) 2003-07-11 2004-07-09 Méthode de stabilisation de terrain pour une voie de traffic

Country Status (3)

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EP (1) EP1496161B1 (fr)
DE (1) DE502004000504D1 (fr)
NL (1) NL1023902C2 (fr)

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CN101962929B (zh) * 2010-11-05 2013-03-20 华中科技大学 一种新型桩承式加筋技术处理软土路基的方法
CN102116007B (zh) * 2011-03-02 2012-05-30 江苏省淮安市公路管理处 公路地基表层处理的隔离防水填筑法
CN102383353A (zh) * 2011-08-30 2012-03-21 中铁二院工程集团有限责任公司 高速铁路陡坡路基组合结构构造
CN102409588B (zh) * 2011-11-25 2013-06-12 中铁十二局集团第三工程有限公司 移动式注浆车间
CN103628363B (zh) * 2013-12-06 2014-11-26 沈阳铁道勘察设计院有限公司 一种利用粉细砂作为填料填筑路基的施工方法
CN103774514B (zh) * 2014-01-10 2015-10-07 江苏中瑞路桥建设有限公司 一种预制管桩路堤结构及其施工方法
CN104594150B (zh) * 2014-12-18 2017-05-24 东南大学 一种防渗土工布处理黑棉土路堤的结构及方法
MX2017011465A (es) * 2015-03-06 2018-01-11 Cemex Res Group Ag Metodo para construir una carretera.
CN104762859B (zh) * 2015-03-17 2017-03-01 江苏花王园艺股份有限公司 山皮石处理软土路基的方法
CN107142805A (zh) * 2017-06-22 2017-09-08 武汉市市政建设集团有限公司 一种利用轻质土处理软基的工艺
CN107476157A (zh) * 2017-08-18 2017-12-15 郑州德威机械设备有限公司 路基结构及公路路基结构
CN108532380A (zh) * 2018-05-09 2018-09-14 新疆铁道勘察设计院有限公司 一种风沙地区的铁路路基基床包芯结构
CN109295821B (zh) * 2018-09-27 2021-05-14 王默 一种软地基道路加固支撑结构
CN113322734A (zh) * 2021-06-11 2021-08-31 浙江交工集团股份有限公司 一种风积沙路基的施工方法
CN114635325A (zh) * 2022-04-18 2022-06-17 浙江中桓建设有限公司 一种利用土壤固化剂进行路基加固的方法

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
JP2881481B2 (ja) * 1990-06-25 1999-04-12 株式会社竹中工務店 深層混合処理機及びこれによるパイルキャップ工法
DE19542031B4 (de) 1994-11-11 2006-03-02 Helmut Schönberger Bodenverfestigungsvorrichtung
JPH08151629A (ja) * 1994-11-28 1996-06-11 Nippon Dezaia Kk 地盤の改良工法
US5863147A (en) * 1996-05-14 1999-01-26 David E. Pressler Pavement for conveying vehicular traffic
NL1010451C2 (nl) 1998-11-02 2000-05-10 Stevin Wegenbouw Werkwijze en inrichting voor grondversteviging.

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Publication number Publication date
NL1023902C2 (nl) 2005-01-12
EP1496161A1 (fr) 2005-01-12
DE502004000504D1 (de) 2006-06-08

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