EP0191081A1 - Device for vibrating road materials in the mass when spreading and compacting them. - Google Patents
Device for vibrating road materials in the mass when spreading and compacting them.Info
- Publication number
- EP0191081A1 EP0191081A1 EP85904258A EP85904258A EP0191081A1 EP 0191081 A1 EP0191081 A1 EP 0191081A1 EP 85904258 A EP85904258 A EP 85904258A EP 85904258 A EP85904258 A EP 85904258A EP 0191081 A1 EP0191081 A1 EP 0191081A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vibrating
- spreading
- box
- compaction
- ground
- 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
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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
- E01C19/407—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with elements or parts partly or fully immersed in or penetrating into the material to act thereon, e.g. immersed vibrators or vibrating parts, kneading tampers, spaders
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
Definitions
- Vibration device in the mass of pavement materials during their spreading and compaction Vibration device in the mass of pavement materials during their spreading and compaction.
- the present invention relates to a device making it possible to better rearrange the aggregates of the materials for pavement layers (bases, foundation, shapes, surface, etc.), when they are spread, precompact them to facilitate the compacting of these materials.
- pavement materials we mean all the materials constituting pavements such as gravel, sand, fine soil, mixed with any binder (hydraulic or bituminous) or without binder, with water or without water, or mechanically stabilized.
- Some spreading materials for example the paver or autograde, when spreading the material, try to arrange the aggregates together, thus creating a precompaction by vibrating by contact on the upper surface of the layer of materials with either a vibrating formwork or a vibrating table .. (fig 1).
- (7) represents the vibrating soles or ladies, (8) the distribution screw, (9) the vibrating formwork, (10) the layer of material spread.
- the vibrations thus transmitted to the aggregates are quickly absorbed by the thickness of the material, and only the aggregates near the vibrating surfaces are put in place, arranged and easy to compact.
- the aggregates being in the middle or at the bottom of the layer, little influenced by the vibration on the surface are therefore not or little arranged, this makes subsequent compaction difficult at these levels.
- the surface materials are well compacted tees while those at the bottom of the layer are only weakly so. We then observe in the pavement layers thus produced strong density gradients which reduce the performance of the material and. of the structure.
- the device according to the invention overcomes this drawback
- FIGs 2 and 3 respectively represent the perspective and the section of the present invention
- the device consists of a vibrating metal box having a bottom formed by a curved plate (1) and two side walls (2). is not closed at its top as well as the material side of the spilled material.
- the box is vibrated at its base by vibrators (3).
- the lower part of the box in contact with the surface of the ground on which the material is to be spread must be flexible in order to match the unevenness of the ground. It can be carried out, for example, either using flexible membranes (4) made of rubber or other flexible material fixed to the box (fig 4), or the bottom of (1) ends in blades (5) cut on the sheet of (1) (fig 5).
- the box is partially closed on the side of the spilled material by any system allowing the thickness of the spilled material to be adjusted.
- This can be constituted for example by a vibrating blade ( ⁇ j adjustable in height according to the desired profile of the spread layer and independently of the box or a rotating grooved drum system,
- the walls ( 2) may have a shape which allows the lateral walls of the layer of the spilled material to be molded directly.
- vibrators can be mounted at this location.
- the main vibration of the box is carried out using vibrators (3) mounted on a horizontal beam welded to the bottom of (1).
- the vibrators are mounted so as to impose on the box a vibration essentially contained in the parallel horizontal plane. at the surface of the spilled material, the vertical component of the vibration is almost zero or negligible with respect to the amplitude of the horizontal vibration. This can for example be obtained by vertically arranging the axes of the imbalance vibrators. If the power of the vibrators is insufficient, we can add in this case other rows of vibrators parallel to the first row.
- the device can be mounted either on a self-propelled cart or on one of the traditional spreading systems. The direction of movement of the system is indicated by the arrow in Figure 2,
- the material is poured into the box at its top.
- the vibration of (1) and (2) by (3) and the advancement of the device brings the material down to the spread layer, arranges the aggregates throughout the thickness of the layer and precompacts the material, this facilitates the subsequent compaction by traditional means (vibrating tables, vibrating plates or vibrating or pneumatic compactors).
- FIG. 3 is shown an example of compacting by vibrating soles or checkers (7).
- (11) represents the loading of the material.
- the use of this device makes it possible to lighten the traditional compaction workshop, and consequently reduce the cost price of the implementation.
- the materials of the pavement layers thus produced are more compact and more homogeneous in density. The quality of the level and the mechanical performance of the pavement are improved.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
Dispositif permettant de répandre et de vibrer dans la masse des matériaux de chaussées lors du répandage pour faciliter leur compactage. Le dispositif peut être monté, soit sur des machines traditionnelles, soit sur des châssis automoteurs spécialement conçus, est constitué d'un caisson vibrant formé d'une plaque courbe (1) et de deux parois latérales (2). La partie basse de (1) en contact avec le sol sur lequel le matériau doit être répandu doit être souple pour épouser les défauts de planéité du sol. La composante de la vibration de (1) est essentiellement contenue dans le plan horizontal. Le matériau est déversé sur la partie supérieure du caisson. La vibration du caisson fait descendre le matériau vers la couche répandue, arrange les granulats entre-eux avant sa mise en place sur le sol. Ceci précompacte le matériau et facilite le compactage ultérieur par les moyens traditionnels. L'usage de ce dispositif permet d'alléger l'atelier de compactage traditionnel, et en conséquence diminuer le prix de revient de la mise en oeuvre. Les matériaux des couches de chaussées ainsi réalisées sont plus compactes et plus homogènes en densité. La qualité de l'uni et les performances mécaniques de la chaussée sont améliorées.Device for spreading and vibrating in the mass of pavement materials during spreading to facilitate their compaction. The device can be mounted, either on traditional machines, or on specially designed self-propelled frames, consists of a vibrating box formed by a curved plate (1) and two side walls (2). The lower part of (1) in contact with the ground on which the material is to be spread must be flexible in order to match the defects of flatness of the ground. The component of the vibration of (1) is essentially contained in the horizontal plane. The material is poured onto the top of the box. The vibration of the box makes the material descend towards the spread layer, arranges the aggregates between them before its placement on the ground. This precompacts the material and facilitates subsequent compaction by traditional means. The use of this device makes it possible to lighten the traditional compaction workshop, and consequently to reduce the cost price of the implementation. The materials of the pavement layers thus produced are more compact and more homogeneous in density. The quality of the smoothness and the mechanical performance of the road are improved.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85904258T ATE49617T1 (en) | 1984-08-30 | 1985-08-28 | DEVICE FOR VIBRATING ROAD SURFACE CONSTRUCTION MATERIALS DURING APPLICATION AND COMPACTION. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8413440A FR2569736B1 (en) | 1984-02-14 | 1984-08-30 | DEVICE FOR VIBRATION IN THE MASS OF PAVEMENT MATERIALS DURING THEIR SPREADING AND COMPACTION |
FR8413440 | 1984-08-30 | ||
FR8512830A FR2586722B2 (en) | 1984-02-14 | 1985-08-28 | DEVICE FOR VIBRATION IN THE MASS OF PAVEMENT MATERIALS DURING THEIR SPREADING AND COMPACTION |
FR8512830 | 1985-08-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0191081A1 true EP0191081A1 (en) | 1986-08-20 |
EP0191081B1 EP0191081B1 (en) | 1990-01-17 |
Family
ID=26224129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85904258A Expired - Lifetime EP0191081B1 (en) | 1984-08-30 | 1985-08-28 | Device for vibrating road materials in the mass when spreading and compacting them |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0191081B1 (en) |
AU (1) | AU4728785A (en) |
DE (1) | DE3575443D1 (en) |
OA (1) | OA08292A (en) |
WO (1) | WO1986001551A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7282310B2 (en) * | 2003-09-17 | 2007-10-16 | Konica Minolta Medical & Graphic, Inc. | Radiographic image conversion panel and production method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2996566A1 (en) * | 2012-10-08 | 2014-04-11 | Dac Chi Nguyen | Machine for thickening layer of granular materials in e.g. roadway, has vibrator, sole that is allowed to move on layer of aggregates, and densifier utilized for rearranging layer of aggregates and densify layer of aggregates |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR625815A (en) * | 1926-12-08 | 1927-08-20 | Method of establishing pavements, rafts and other coverings | |
US2664794A (en) * | 1952-03-07 | 1954-01-05 | James R Evans | Sidewalk grader and paver |
FR1203210A (en) * | 1958-07-25 | 1960-01-15 | Omnium Francais D Etudes Et D | Vibro-finisher machine |
-
1985
- 1985-08-28 AU AU47287/85A patent/AU4728785A/en not_active Abandoned
- 1985-08-28 DE DE8585904258T patent/DE3575443D1/en not_active Expired - Lifetime
- 1985-08-28 EP EP85904258A patent/EP0191081B1/en not_active Expired - Lifetime
- 1985-08-28 WO PCT/FR1985/000231 patent/WO1986001551A1/en active IP Right Grant
-
1986
- 1986-04-22 OA OA58840BISA patent/OA08292A/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO8601551A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7282310B2 (en) * | 2003-09-17 | 2007-10-16 | Konica Minolta Medical & Graphic, Inc. | Radiographic image conversion panel and production method thereof |
Also Published As
Publication number | Publication date |
---|---|
AU4728785A (en) | 1986-03-24 |
EP0191081B1 (en) | 1990-01-17 |
DE3575443D1 (en) | 1990-02-22 |
WO1986001551A1 (en) | 1986-03-13 |
OA08292A (en) | 1987-10-30 |
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