WO2002016695A1 - Method of stabilizing particulates - Google Patents
Method of stabilizing particulates Download PDFInfo
- Publication number
- WO2002016695A1 WO2002016695A1 PCT/GB2001/003679 GB0103679W WO0216695A1 WO 2002016695 A1 WO2002016695 A1 WO 2002016695A1 GB 0103679 W GB0103679 W GB 0103679W WO 0216695 A1 WO0216695 A1 WO 0216695A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ballast
- mcs
- track
- polymer
- stabilised
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/03—Injecting, mixing or spraying additives into or onto ballast or underground
Definitions
- This invention relates to a method of stabilizing particulates
- MCS multi-component systems
- resins are used to bind the particulates together.
- the speed of the stress shock waves for example, compressive, shear and
- the MCS is preferably applied in the
- the MCS is
- cement or asphalt based fillers examples include cement or asphalt based fillers.
- stabilising particulates comprising the steps of:-
- MCS multi-component system
- the method preferably also includes the steps of:-
- the invention also provides a Stabilised ballast structure in a railway
- the method may include the additional step of selecting or
- MCS may preferably be used to increase the vertical and/or lateral
- the structure e. in a railway track application, the rails, sleepers, cutting,
- MCS application may prevent dissipation of surface and substructure
- Invention may be used for:-
- main lines including high speed lines
- Figure 1 is a diagram of a track assembly including
- Figures 2 and 2b are respectively transverse and longitudinal (in
- Figure 1 1 is a view showing applications of ballast with
- Figure 12 is a longitudinal
- Figure 13 is a flow diagram of the evaluation method
- Subgrade 14 may comprise any natural or engineered terrain
- Figures 2a and 2b relate to stabilisation of points, crossing and other
- CbM Crib Tie-back Method
- the width of the anchors may or may-not
- composition of the polymer is selected based on the required
- the tensile strength and shear strength properties of the polymer are determined as part of the design process.
- Figures 3a and 3b show a structure to stabilise the vertical movement
- the ladder comprises a beam 17, 18
- the unstabilised ballast are used to 'lock' the unstabilised ballast into the
- polymer properties for example polymer stiffness
- Figures 4a and 4b show a type 2 design for poor formations and high
- ballast depth is not sufficient to ensure
- design holes 20 are drilled into the sleepers 1 1 at various locations to allow
- replaced ballast 12 is then stabilised using the polymer producing a
- the polymer is also designed to enable it to 'pool' at
- ballast/subballast interface forming an integral polymer membrane 23.
- the depth of stabilised ballast (from the ballast/subballast interface) may extend up to the
- Figures 6a and 6b show a design wherein the polymer is used to ensure
- the polymer stiffness is usually set high to ensure
- polymer is used to provide a continuous
- the blanket 26 is used to provide ballast stability against train generated
- polymer stiffness is generally set low to increase the damping properties of
- the vibration may originate from many sources including
- Figures 8a and 8b show an embodiment for stabilisation of cyclic-top.
- Cyclic-top problems generally originate from track misalignment problems
- a wet-spot site may generate oscillations in the train suspension system
- Cyclic top can
- ballast can be continuous (as shown in Figure 8) or may make use of the ballast
- the polymer properties are selected based on the
- a uniform track modulus value For example, a uniform track modulus value
- FIGS 9a and 9b show an arrangement of stabilised ballast for
- ballast key 30 (or keys)
- the ballast keys maybe formed from stabilised ballast as shown in Figure
- polymer properties are selected based on the criteria discussed in Example
- ballast keys 30 extend longitudinally
- Stabilised beams 31 may be applied at both sides of the sleepers 1 1 to resist trains that are both faster and slower than the design track curve
- FIGs 10a and 10b show an arrangement for mainline ballast
- the subgrade surface is shaped so that it is parallel to the rail.
- the polymer can be applied to ensure that a given ballast layer 32
- This ballast layer 32 is applied at a specified
- the polymer can be applied in a similar way to that described for the new track.
- the polymer is again used to form
- ballast from its mid-point down to
- Figure 1 1 shows a typical application of the polymer to
- ballast placer 33 is used to place a first layer of ballast in front of an
- the designed polymer stabilisation technique can be used to form
- the polymer/ballast composite changes in track stiffness.
- the polymer/ballast composite is the polymer/ballast composite
- the design would encompass the spatial location of the polymer, for example a tailored lower level
- ballast shear wave and track velocities can be achieved to
- transition zone The purpose of the transition zone is to help reduce
- a designed based ballast stabilisation treatment can reduce
- the bridge deck 35 is
- stabilised ballast 36 which is sloped at each
- transition zones maybe formed by either increasing the slope of
- Figure 10 is the stabilisation of a set of points over which axle loads of 25T
- MTT Gross Tonnes
- ballast is of a dolerite basalt type with a type D 50 of 28mm.
- the ballast depth is between 3Q0-400mm, with a subballast layer between
- the subgrade shear-wave velocity is calculated to be around 150m/s.
- example primarily concentrates on the static analysis of the track.
- ballast and subballast stiffness values are around 200MPa and
- the void ratio of the ballast is around 0.72 with a unit weight of 16kN/m 3 ).
- investigation material parameters as input to a static mathematical, model, based on the finite element method.
- dimensional finite element mesh used comprises 2100 elements of the
- the mesh is spilt into several layers to simulate the
- ballast, suballast and subgrade are
- the mathematical model is first used to verify the current lateral
- the required performance is set at 5mm lateral deflection
- the simulated modelling shows increases in lateral stability, for this case particular case, of approximately 6 times greater than the
- the tests include, direct shear box testing,
- the stabilised ballast experienced around 1.0mm plastic deformation.
- ballast is therefore far superior to the unreinforced ballast in both strength
- the program allows the user to examine the change in the track behaviour
- a ballast layer comprises an aggregate of crushed limestone of mean
- the MCS comprises for example a polyurethane having the following
- composition mixed using a Graco Hyrocat (Trade Mark) based machine
- ballast is a sand carpet.
- the design may
- the polyurethane comprises the following two components, which are:
- Component A (Polyol)
- Sorbitol based polyether 28% parts by weight
- Component B isocyanate
- MDI diisocyanate
- composition including ballast at 5% level gives the following
- Compressive modulus - 100 - 800
- a 10%, loaded rail ballast is prepared using a polyurethane/bitumen
- the isocyanate terminated pre-polymer is added to a cationic
- the pre-polymer is based on the following:-
- the pre-polymer/bitumen composition is sprayed onto the ballast at a
- composition cures in two hours, and provides an elastic solid whose
- alkaline agents such as sodium silicate solution, calcium hydroxide and
- magnesium hydroxide and magnesium hydroxide and magnesium hydroxide are magnesium hydroxide and magnesium hydroxide and magnesium hydroxide
- ballast used similarly to bind a particulate material such as ballast to produce a
- ballast layer location to be sprayed or otherwise applied to the ballast layer is determined
- the polymer formulation enables the ballast to be wetted out and
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/362,034 US20040109730A1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
HU0300774A HUP0300774A2 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
CA002420047A CA2420047A1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
PL36131101A PL361311A1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
EP01963125A EP1309759A1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
AU8415901A AU8415901A (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
EA200300280A EA004335B1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
AU2001284159A AU2001284159B2 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
NO20030768A NO20030768L (en) | 2000-08-19 | 2003-02-18 | Method of Stabilizing Small Particle Material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0020399.2 | 2000-08-19 | ||
GBGB0020399.2A GB0020399D0 (en) | 2000-08-19 | 2000-08-19 | Method of stabilizing particulates |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002016695A1 true WO2002016695A1 (en) | 2002-02-28 |
Family
ID=9897881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2001/003679 WO2002016695A1 (en) | 2000-08-19 | 2001-08-17 | Method of stabilizing particulates |
Country Status (12)
Country | Link |
---|---|
US (1) | US20040109730A1 (en) |
EP (1) | EP1309759A1 (en) |
AU (2) | AU8415901A (en) |
CA (1) | CA2420047A1 (en) |
CZ (1) | CZ2003790A3 (en) |
EA (1) | EA004335B1 (en) |
GB (1) | GB0020399D0 (en) |
HU (1) | HUP0300774A2 (en) |
NO (1) | NO20030768L (en) |
PL (1) | PL361311A1 (en) |
WO (1) | WO2002016695A1 (en) |
ZA (1) | ZA200302034B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009143198A2 (en) * | 2008-05-23 | 2009-11-26 | Lubrizol Advanced Materials, Inc. | Fiber reinforced tpu composites |
WO2011110489A1 (en) * | 2010-03-09 | 2011-09-15 | Bayer Materialscience Ag | Polyurethane elastomer ballast mat and preparation thereof |
CN107132160A (en) * | 2017-06-13 | 2017-09-05 | 同济大学 | One kind visualization high ferro roadbed granule, which shakes to fall into, recurs model assay systems |
CN110219212A (en) * | 2019-06-20 | 2019-09-10 | 中铁四院集团岩土工程有限责任公司 | Non-fragment orbit sleeper hangs empty regulation method |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030223826A1 (en) * | 2002-03-21 | 2003-12-04 | Ianniello Peter J. | Synthetic alternatives to uniform and non-uniform gradations of structural fill |
CA2765625C (en) | 2009-06-24 | 2017-09-12 | Basf Se | Method of producing a composite material using a mixing system |
KR101395451B1 (en) | 2009-12-21 | 2014-05-14 | 바스프 에스이 | Composite pavement structure |
RU2573676C2 (en) * | 2010-04-21 | 2016-01-27 | Байер Матириальсайенс Аг | Polyurethane ballast bed, method of obtaining and application thereof |
CA2823186C (en) | 2010-12-29 | 2019-10-15 | Reynolds Presto Products Inc. | Colored composite pavement structure |
PL2728069T3 (en) * | 2011-06-29 | 2016-10-31 | Transition structure and construction method | |
CN104109989A (en) * | 2013-04-18 | 2014-10-22 | 中铁十一局集团第一工程有限公司 | Method for curing double-block ballastless tracks in extreme environments |
US9045865B2 (en) * | 2013-04-19 | 2015-06-02 | SAFEKEY Engineering Technology(Zhengzhou), Ltd. | Polymer grouting method for uplifting ballastless track of high-speed rail |
JP6217291B2 (en) * | 2013-10-03 | 2017-10-25 | 新日鐵住金株式会社 | Repair method of structure with change of support height |
JP2019148116A (en) * | 2018-02-27 | 2019-09-05 | 公益財団法人鉄道総合技術研究所 | Estimation method for ballast settlement amount at ballast track |
CN111395075A (en) * | 2020-03-09 | 2020-07-10 | 朔黄铁路发展有限责任公司 | Maintenance method of ballast track bed |
CN111912758B (en) * | 2020-06-30 | 2022-07-01 | 太原理工大学 | Test device and method for measuring drainage capacity of ballast track bed in different dirty states |
CN114236536B (en) * | 2022-02-23 | 2022-05-27 | 铁科检测有限公司 | Railway roadbed ground penetrating radar data processing system and method thereof |
Citations (7)
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DE394142C (en) | 1924-04-23 | Schicketanz & Co | Device for the production of spherical bodies from plastic masses | |
US4084381A (en) * | 1977-01-19 | 1978-04-18 | Woodbine Corporation | Stabilization of earth subsurface layers |
DE4014529A1 (en) * | 1990-05-07 | 1991-11-14 | Koch Marmorit Gmbh | Thermosetting resin mixer and applicator and use of mixed resins |
EP0502920A1 (en) | 1989-12-02 | 1992-09-16 | Koch Marmorit Gmbh | Process and device for applying multi-component resins, and use of such resins. |
DE4313880A1 (en) * | 1993-04-28 | 1994-11-03 | Koch Marmorit Gmbh | Method and device for the controlled application of adhesives |
JPH06322706A (en) * | 1993-05-11 | 1994-11-22 | Sanyo Chem Ind Ltd | Consolidating method for ballast and consolidating material therefor |
EP0641407A1 (en) | 1992-05-07 | 1995-03-08 | KOCH MARMORIT GmbH | Process for temporarily consolidating a bed of broken stones |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US2357769A (en) * | 1942-12-31 | 1944-09-05 | Rushmer John Robbins | Stabilizing material introducing device |
JPS521161B2 (en) * | 1972-02-10 | 1977-01-12 | ||
US4451180A (en) * | 1978-05-09 | 1984-05-29 | Duval Henry H | Method for restructuring railway roadbeds |
US4494694A (en) * | 1982-09-28 | 1985-01-22 | Iowa State University Research Foundation, Inc. | Support system for a railroad track |
US5372844A (en) * | 1989-12-02 | 1994-12-13 | Koch Marmorit Gmbh | Process and device of applying multi-component resins and use of same |
DE59403945D1 (en) * | 1993-08-31 | 1997-10-09 | Plasser Bahnbaumasch Franz | Method of stabilizing an earthen level |
-
2000
- 2000-08-19 GB GBGB0020399.2A patent/GB0020399D0/en not_active Ceased
-
2001
- 2001-08-17 AU AU8415901A patent/AU8415901A/en active Pending
- 2001-08-17 WO PCT/GB2001/003679 patent/WO2002016695A1/en active IP Right Grant
- 2001-08-17 HU HU0300774A patent/HUP0300774A2/en unknown
- 2001-08-17 CA CA002420047A patent/CA2420047A1/en not_active Abandoned
- 2001-08-17 US US10/362,034 patent/US20040109730A1/en not_active Abandoned
- 2001-08-17 EP EP01963125A patent/EP1309759A1/en not_active Withdrawn
- 2001-08-17 CZ CZ2003790A patent/CZ2003790A3/en unknown
- 2001-08-17 AU AU2001284159A patent/AU2001284159B2/en not_active Ceased
- 2001-08-17 EA EA200300280A patent/EA004335B1/en not_active IP Right Cessation
- 2001-08-17 PL PL36131101A patent/PL361311A1/en not_active Application Discontinuation
-
2003
- 2003-02-18 NO NO20030768A patent/NO20030768L/en not_active Application Discontinuation
- 2003-03-13 ZA ZA200302034A patent/ZA200302034B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE394142C (en) | 1924-04-23 | Schicketanz & Co | Device for the production of spherical bodies from plastic masses | |
US4084381A (en) * | 1977-01-19 | 1978-04-18 | Woodbine Corporation | Stabilization of earth subsurface layers |
EP0502920A1 (en) | 1989-12-02 | 1992-09-16 | Koch Marmorit Gmbh | Process and device for applying multi-component resins, and use of such resins. |
DE4014529A1 (en) * | 1990-05-07 | 1991-11-14 | Koch Marmorit Gmbh | Thermosetting resin mixer and applicator and use of mixed resins |
EP0641407A1 (en) | 1992-05-07 | 1995-03-08 | KOCH MARMORIT GmbH | Process for temporarily consolidating a bed of broken stones |
DE4313880A1 (en) * | 1993-04-28 | 1994-11-03 | Koch Marmorit Gmbh | Method and device for the controlled application of adhesives |
JPH06322706A (en) * | 1993-05-11 | 1994-11-22 | Sanyo Chem Ind Ltd | Consolidating method for ballast and consolidating material therefor |
Non-Patent Citations (1)
Title |
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DATABASE WPI Section PQ Week 199506, Derwent World Patents Index; Class Q41, AN 1995-041845, XP002184803 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009143198A2 (en) * | 2008-05-23 | 2009-11-26 | Lubrizol Advanced Materials, Inc. | Fiber reinforced tpu composites |
WO2009143198A3 (en) * | 2008-05-23 | 2010-01-07 | Lubrizol Advanced Materials, Inc. | Fiber reinforced tpu composites |
US9068076B2 (en) | 2008-05-23 | 2015-06-30 | Lubrizol Advanced Materials, Inc. | Fiber reinforced TPU composites |
WO2011110489A1 (en) * | 2010-03-09 | 2011-09-15 | Bayer Materialscience Ag | Polyurethane elastomer ballast mat and preparation thereof |
CN102191730A (en) * | 2010-03-09 | 2011-09-21 | 拜耳材料科技(中国)有限公司 | Ballast pad made of polyurethane elastomer and manufacturing method thereof |
CN102191730B (en) * | 2010-03-09 | 2015-08-26 | 拜耳材料科技(中国)有限公司 | Polyurethane elastomer railway ballast pad and preparation method thereof |
CN107132160A (en) * | 2017-06-13 | 2017-09-05 | 同济大学 | One kind visualization high ferro roadbed granule, which shakes to fall into, recurs model assay systems |
CN110219212A (en) * | 2019-06-20 | 2019-09-10 | 中铁四院集团岩土工程有限责任公司 | Non-fragment orbit sleeper hangs empty regulation method |
Also Published As
Publication number | Publication date |
---|---|
EA200300280A1 (en) | 2003-08-28 |
CZ2003790A3 (en) | 2003-12-17 |
GB0020399D0 (en) | 2000-10-04 |
PL361311A1 (en) | 2004-10-04 |
ZA200302034B (en) | 2004-04-20 |
AU2001284159B2 (en) | 2005-11-24 |
EA004335B1 (en) | 2004-04-29 |
CA2420047A1 (en) | 2002-02-28 |
NO20030768L (en) | 2003-03-28 |
HUP0300774A2 (en) | 2003-10-28 |
AU8415901A (en) | 2002-03-04 |
EP1309759A1 (en) | 2003-05-14 |
US20040109730A1 (en) | 2004-06-10 |
NO20030768D0 (en) | 2003-02-18 |
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