WO2012137123A1 - A pavement interface - Google Patents

A pavement interface Download PDF

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Publication number
WO2012137123A1
WO2012137123A1 PCT/IB2012/051595 IB2012051595W WO2012137123A1 WO 2012137123 A1 WO2012137123 A1 WO 2012137123A1 IB 2012051595 W IB2012051595 W IB 2012051595W WO 2012137123 A1 WO2012137123 A1 WO 2012137123A1
Authority
WO
WIPO (PCT)
Prior art keywords
pavement
interface
zigzag
section
boundary
Prior art date
Application number
PCT/IB2012/051595
Other languages
French (fr)
Inventor
Desmond Hugh OATES
Original Assignee
OATES, Beverley, Ann
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 OATES, Beverley, Ann filed Critical OATES, Beverley, Ann
Priority to GB1319748.8A priority Critical patent/GB2505112A/en
Priority to US14/007,904 priority patent/US20140017005A1/en
Priority to NZ617364A priority patent/NZ617364B2/en
Priority to AU2012241031A priority patent/AU2012241031A1/en
Publication of WO2012137123A1 publication Critical patent/WO2012137123A1/en

Links

Classifications

    • 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
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • 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
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings

Definitions

  • the invention relates generally to pavements or road surfaces, and specifically to a pavement interface.
  • pavements are sometimes required to transition from one surface to another. For instance, in pavement resurfacing, the pavement may transition from the old surface to the new surface (or vice versa). Similarly, it is sometimes required to dig trenches in the pavement to lay cables or pipes. The trench is then re-surfaced.
  • the interface from one surface to another is almost always linear and usually perpendicular to a direction of traffic flow. This means that co-axial wheels of a vehicle will impact the interface simultaneously, resulting in a substantially instantaneous or impulsive impact. While the profile of the interface is as flat as possible to minimise this impact on the wheels, there is often still at least a small ridge or depression. This impact is noisy, and causes a shock both in the vehicle and the pavement, which is uncomfortable at best, and damaging to the pavement and/or vehicle at worst.
  • the invention provides a pavement interface which includes:
  • Zero apices in the context of this specification includes sharp apices (e.g. saw-tooth) and rounded apices (e.g. sinusoidal or undulating), and truncated apices.
  • Pavement is understood to include any paved surface and includes a paved road surface or runway, whether made of asphalt, concrete, or other.
  • the interface presents a staggered or oblique edge to oncoming traffic, thus rendering the impact with the second surface more gradual (rather than instantaneous). This gradual (or at least more gradual) impact allows impact forces to be distributed over a greater time, which reduces shock and reduces all the accompanying drawbacks of shock.
  • the boundary may be elongated and may be arranged to extend orthogonally to an intended direction of traffic flow. Rising or falling edges of the zigzag boundary may be inclined by less than 45° relative to the intended direction of traffic flow, and more specifically may be inclined by 5° to 20°. Some portions of the zigzag interface may even be parallel to the intended direction of traffic flow (i.e. inclined by 0°). Thus, each apex or tooth (formed by a pair of adjacent rising and falling edges) of the boundary may be defined by an acute angle (i.e. less than 90°) and more specifically 10° to 40°.
  • the boundary may be segmented. For example, if a portion of road needs to resurfaced and the portion spans multiple lanes, the boundary may be created one lane at a time. Each lane may include only two or three apices.
  • the interface may be from one type of road surface to another, e.g. an older surface to a newer one, or an asphalt surface to a concrete surface.
  • the interface may be as a result of a trench or furrow dug in an existing pavement (e.g. to lay cables or pipes), and resurfaced.
  • an existing pavement e.g. to lay cables or pipes
  • the interface may be as a result of repair work, e.g. pothole repair.
  • there may again be two boundaries, both zigzag-shaped, one at each of the leading and trailing sides of the repaired pothole.
  • the invention extends to a method of creating a pavement interface, the method including:
  • Figure 1 is a three-dimensional view of one embodiment of a pavement interface in accordance with the invention.
  • Figure 2 is an expanded view of a portion of the interface of Figure 1 ;
  • Figure 3 is a three-dimensional view of another embodiment of a pavement interface in accordance with the invention.
  • Figure 4 is a three-dimensional view of yet another embodiment of a pavement interface in accordance with the invention.
  • Figure 5 is a three-dimensional view of a further embodiment of a pavement interface in accordance with the invention.
  • reference numeral 10 generally indicates a pavement interface, in accordance with the invention.
  • the pavement interface includes a first section of pavement 12 and a second section of pavement 14, and the interface 10 is between the two sections of pavement 12, 14.
  • a trailing (or terminating) edge 12.1 of the first section of pavement 12 has a zigzag shape.
  • a leading edge 14.1 of the second section of pavement 14 has a complemental zigzag shape, and it abuts the trailing edge 12.1 .
  • a boundary 16 between the two sections of pavement 12, 14 is zigzag-shaped. The boundary 16 extends in a direction transverse to a direction of traffic flow (generally indicated by arrow 18).
  • the boundary 16 includes (in conventional zigzag fashion) a series of interspaced rising edges 16.1 and falling edges 16.2. Between each adjacent rising and falling edge 16.1 , 16.2 is an apex 16.3. Each rising edge 16.1 and each falling edge 16.2 forms an angle a with the normal line, which is parallel with the direction of intended traffic flow 18. Thus, the angle of each apex will be 2a. a may vary from 0° to 45° and each apex 16.3 will therefore always form an acute angle. In this example, a is roughly 15° and the apices 16.3 therefore have an angle of roughly 30°. (In this example, the angles a are equal, but they need not be.)
  • Figure 3 shows another embodiment of a pavement interface 30.
  • the interface is formed between existing pavement 32 (a first section) and a re-surfaced strip 34 (a second section of pavement) used to cover a trench dug to install cables or pipes beneath the pavement.
  • Two boundaries 16 are thereby formed, each being zigzag-shaped.
  • the boundaries 16 are laterally spaced apart, but individually are similar or identical to the boundary 16 of Figure 1 .
  • Figure 4 shows yet another embodiment of a pavement interface 40, which includes an existing pavement 42 (a first section) and a repaired section of pavement 44 (a second section), for example as a result of repairing a pothole or other pavement defect. Both leading and trailing sides of the repaired pavement 44 define zigzag-shaped boundaries 16.
  • Figure 5 shows a further embodiment of a pavement surface 50 which spans multiple lanes in the road 52.
  • the re-surfaced section is done in segments 54.1 , 54.2 one lane at a time.
  • Each individual segment 54.1 , 54.2 may have relatively few apices 16.3.
  • the apices 16.3 need not be identical or symmetrical and may have uneven angles, even sawtooth-like angles.
  • the Inventor believes that the invention as exemplified is advantageous in that it provides a pavement interface which yields a smoother transition from one pavement section to another.
  • the smoother transition results in reduced noise, and reduced impact which can prolong the life of both vehicle suspension systems and pavements by reducing the possibility of the second section of pavement becoming damaged by vehicle wheel oscillations.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

Pavement interface (10) and method of creating a pavement interface. The pavement interface (10) includes a first section of pavement (12) having a zigzag- shaped trailing edge (12.1) and a second section of pavement (14) having a complemental zigzag- shaped leading edge (14.2) which abuts the trailing edge (12.1) of the first section of pavement (12). Thus, a boundary between the two sections (12, 14) of pavement is zigzag- shaped.

Description

A pavement interface
FIELD OF INVENTION
The invention relates generally to pavements or road surfaces, and specifically to a pavement interface.
BACKGROUND OF INVENTION
The Inventor is aware that pavements are sometimes required to transition from one surface to another. For instance, in pavement resurfacing, the pavement may transition from the old surface to the new surface (or vice versa). Similarly, it is sometimes required to dig trenches in the pavement to lay cables or pipes. The trench is then re-surfaced.
The interface from one surface to another is almost always linear and usually perpendicular to a direction of traffic flow. This means that co-axial wheels of a vehicle will impact the interface simultaneously, resulting in a substantially instantaneous or impulsive impact. While the profile of the interface is as flat as possible to minimise this impact on the wheels, there is often still at least a small ridge or depression. This impact is noisy, and causes a shock both in the vehicle and the pavement, which is uncomfortable at best, and damaging to the pavement and/or vehicle at worst.
The Inventor desires a pavement interface which will overcome or at least alleviate the above mentioned drawbacks. SUMMARY OF INVENTION
Accordingly, the invention provides a pavement interface which includes:
a first section of pavement having a zigzag-shaped trailing edge; and
a second section of pavement having a complemental zigzag- shaped leading edge which abuts the trailing edge of the first section of pavement,
such that a boundary between the two sections of pavement is zigzag- shaped.
"Zigzag" in the context of this specification includes sharp apices (e.g. saw-tooth) and rounded apices (e.g. sinusoidal or undulating), and truncated apices. Pavement is understood to include any paved surface and includes a paved road surface or runway, whether made of asphalt, concrete, or other.
The interface presents a staggered or oblique edge to oncoming traffic, thus rendering the impact with the second surface more gradual (rather than instantaneous). This gradual (or at least more gradual) impact allows impact forces to be distributed over a greater time, which reduces shock and reduces all the accompanying drawbacks of shock.
The boundary, as a whole, may be elongated and may be arranged to extend orthogonally to an intended direction of traffic flow. Rising or falling edges of the zigzag boundary may be inclined by less than 45° relative to the intended direction of traffic flow, and more specifically may be inclined by 5° to 20°. Some portions of the zigzag interface may even be parallel to the intended direction of traffic flow (i.e. inclined by 0°). Thus, each apex or tooth (formed by a pair of adjacent rising and falling edges) of the boundary may be defined by an acute angle (i.e. less than 90°) and more specifically 10° to 40°.
The boundary may be segmented. For example, if a portion of road needs to resurfaced and the portion spans multiple lanes, the boundary may be created one lane at a time. Each lane may include only two or three apices.
In one embodiment, the interface may be from one type of road surface to another, e.g. an older surface to a newer one, or an asphalt surface to a concrete surface.
In another embodiment, the interface may be as a result of a trench or furrow dug in an existing pavement (e.g. to lay cables or pipes), and resurfaced. In such case, there may be two boundaries extending generally parallel to each other - one from the existing pavement to a re-surfaced strip and another from the re-surfaced strip back to the existing pavement.
In yet another embodiment, the interface may be as a result of repair work, e.g. pothole repair. In such case, there may again be two boundaries, both zigzag-shaped, one at each of the leading and trailing sides of the repaired pothole.
The invention extends to a method of creating a pavement interface, the method including:
creating, in a first section of pavement, a zigzag-shaped trailing edge; and
creating, in a second section of pavement, a complemental zigzag-shaped leading edge which abuts the trailing edge of the first section of pavement,
thereby to create a zigzag-shaped boundary between the two sections of pavement.
BRIEF DESCRIPTION OF DRAWINGS
The invention will now be further described, by way of example, with reference to the accompanying diagrammatic drawings. In the drawings:
Figure 1 is a three-dimensional view of one embodiment of a pavement interface in accordance with the invention;
Figure 2 is an expanded view of a portion of the interface of Figure 1 ;
Figure 3 is a three-dimensional view of another embodiment of a pavement interface in accordance with the invention;
Figure 4 is a three-dimensional view of yet another embodiment of a pavement interface in accordance with the invention; and
Figure 5 is a three-dimensional view of a further embodiment of a pavement interface in accordance with the invention.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
Referring initially to Figure 1 , reference numeral 10 generally indicates a pavement interface, in accordance with the invention. The pavement interface includes a first section of pavement 12 and a second section of pavement 14, and the interface 10 is between the two sections of pavement 12, 14.
A trailing (or terminating) edge 12.1 of the first section of pavement 12 has a zigzag shape. Similarly, a leading edge 14.1 of the second section of pavement 14 has a complemental zigzag shape, and it abuts the trailing edge 12.1 . Thus, a boundary 16 between the two sections of pavement 12, 14 is zigzag-shaped. The boundary 16 extends in a direction transverse to a direction of traffic flow (generally indicated by arrow 18).
Referring now also to Figure 2, the boundary 16 includes (in conventional zigzag fashion) a series of interspaced rising edges 16.1 and falling edges 16.2. Between each adjacent rising and falling edge 16.1 , 16.2 is an apex 16.3. Each rising edge 16.1 and each falling edge 16.2 forms an angle a with the normal line, which is parallel with the direction of intended traffic flow 18. Thus, the angle of each apex will be 2a. a may vary from 0° to 45° and each apex 16.3 will therefore always form an acute angle. In this example, a is roughly 15° and the apices 16.3 therefore have an angle of roughly 30°. (In this example, the angles a are equal, but they need not be.)
Figure 3 shows another embodiment of a pavement interface 30. In this example, the interface is formed between existing pavement 32 (a first section) and a re-surfaced strip 34 (a second section of pavement) used to cover a trench dug to install cables or pipes beneath the pavement. Two boundaries 16 are thereby formed, each being zigzag-shaped. The boundaries 16 are laterally spaced apart, but individually are similar or identical to the boundary 16 of Figure 1 .
Figure 4 shows yet another embodiment of a pavement interface 40, which includes an existing pavement 42 (a first section) and a repaired section of pavement 44 (a second section), for example as a result of repairing a pothole or other pavement defect. Both leading and trailing sides of the repaired pavement 44 define zigzag-shaped boundaries 16.
Figure 5 shows a further embodiment of a pavement surface 50 which spans multiple lanes in the road 52. The re-surfaced section is done in segments 54.1 , 54.2 one lane at a time. Each individual segment 54.1 , 54.2 may have relatively few apices 16.3. Also, the apices 16.3 need not be identical or symmetrical and may have uneven angles, even sawtooth-like angles.
The Inventor believes that the invention as exemplified is advantageous in that it provides a pavement interface which yields a smoother transition from one pavement section to another. The smoother transition results in reduced noise, and reduced impact which can prolong the life of both vehicle suspension systems and pavements by reducing the possibility of the second section of pavement becoming damaged by vehicle wheel oscillations.

Claims

1 . A pavement interface which includes:
a first section of pavement having a zigzag-shaped trailing edge; and
a second section of pavement having a complemental zigzag- shaped leading edge which abuts the trailing edge of the first section of pavement,
such that a boundary between the two sections of pavement is zigzag- shaped.
2. A pavement interface as claimed in claim 1 , in which rising or falling edges of the zigzag boundary are inclined by less than 45° relative to the intended direction of traffic flow.
3. A pavement interface as claimed in claim 2, in which the rising or falling edges are inclined by 5° to 20°.
4. A pavement interface as claimed in claim 3, in which each apex or tooth of the boundary is defined by an acute angle of 10° to 40°.
5. A pavement interface as claimed in any of the preceding claims, in which the boundary is segmented.
6. A pavement interface as claimed in any of the preceding claims, in which the boundary is from one type of road surface to another.
7. A pavement interface as claimed in any of claims 1 to 5 inclusive, in which the interface is as a result of a trench or furrow dug in an existing pavement, and re-surfaced.
8. A pavement interface as claimed in any of claims 1 to 5 inclusive, in which the interface is as a result of repair work.
9. A method of creating a pavement interface, the method including:
creating, in a first section of pavement, a zigzag-shaped trailing edge; and
creating, in a second section of pavement, a complemental zigzag-shaped leading edge which abuts the trailing edge of the first section of pavement,
thereby to create a zigzag-shaped boundary between the two sections of pavement.
PCT/IB2012/051595 2011-04-08 2012-04-02 A pavement interface WO2012137123A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1319748.8A GB2505112A (en) 2011-04-08 2012-04-02 A pavement interface
US14/007,904 US20140017005A1 (en) 2011-04-08 2012-04-02 Pavement interface
NZ617364A NZ617364B2 (en) 2011-04-08 2012-04-02 A pavement interface
AU2012241031A AU2012241031A1 (en) 2011-04-08 2012-04-02 A pavement interface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201102649 2011-04-08
ZA2011/02649 2011-04-08

Publications (1)

Publication Number Publication Date
WO2012137123A1 true WO2012137123A1 (en) 2012-10-11

Family

ID=46022507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/051595 WO2012137123A1 (en) 2011-04-08 2012-04-02 A pavement interface

Country Status (5)

Country Link
US (1) US20140017005A1 (en)
AU (1) AU2012241031A1 (en)
GB (1) GB2505112A (en)
WO (1) WO2012137123A1 (en)
ZA (1) ZA201202382B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2693419B2 (en) * 2017-06-08 2019-10-15 Ruiz Del Arbol Jose Ramon Vazquez Reinforced concrete pavement of reduced thickness

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1474467A (en) * 1966-04-01 1967-03-24 elements intended for vertical, horizontal or inclined, solid or perforated walls with variable void percentage
CH630131A5 (en) * 1980-02-05 1982-05-28 Bertschinger Walo Ag Concrete surfacing with joints between surfacing sections of a road
DE3735687A1 (en) * 1987-05-06 1988-06-16 Entwurfs & Ingbuero Veb Joint sword for sinking joint inserts into fresh concrete
JP2008121374A (en) * 2006-11-15 2008-05-29 Juichi Yamauchi Structure for embedding expansion joint in highway bridge

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672607A (en) * 1925-10-19 1928-06-05 Albert C Fischer Expansion-joint section
US1911931A (en) * 1930-08-20 1933-05-30 Skinner Albert Expansion joint for pavements and the like
US2149291A (en) * 1937-08-23 1939-03-07 Harry E Hofwolt High pressure cased contraction and expansion joint
US4332504A (en) * 1979-11-05 1982-06-01 Motonosuke Arai Expansion joints for roads
US4332604A (en) * 1980-12-22 1982-06-01 Owens-Corning Fiberglas Corporation Strength improvement of glass batch pellets
US5046887A (en) * 1990-08-06 1991-09-10 Fontana John D Guttered paving blocks
KR100283364B1 (en) * 1998-05-09 2001-03-02 황해웅 Expansion joint
US6460214B1 (en) * 2001-03-27 2002-10-08 Ming-Huang Chang Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same
US8790038B2 (en) * 2012-11-30 2014-07-29 Dynamic Surface Applications, Ltd. Expansion joint and methods of preparing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1474467A (en) * 1966-04-01 1967-03-24 elements intended for vertical, horizontal or inclined, solid or perforated walls with variable void percentage
CH630131A5 (en) * 1980-02-05 1982-05-28 Bertschinger Walo Ag Concrete surfacing with joints between surfacing sections of a road
DE3735687A1 (en) * 1987-05-06 1988-06-16 Entwurfs & Ingbuero Veb Joint sword for sinking joint inserts into fresh concrete
JP2008121374A (en) * 2006-11-15 2008-05-29 Juichi Yamauchi Structure for embedding expansion joint in highway bridge

Also Published As

Publication number Publication date
AU2012241031A1 (en) 2013-11-21
GB2505112A (en) 2014-02-19
US20140017005A1 (en) 2014-01-16
NZ617364A (en) 2015-11-27
GB201319748D0 (en) 2013-12-25
ZA201202382B (en) 2012-06-27

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