EP0424223A1 - Verfahren zum schnellen Herstellen von zwei übereinander liegenden Strassen mit einem auf der bestehenden Strasse verlegten Bauwerk, ohne den Verkehr zu behindern - Google Patents
Verfahren zum schnellen Herstellen von zwei übereinander liegenden Strassen mit einem auf der bestehenden Strasse verlegten Bauwerk, ohne den Verkehr zu behindern Download PDFInfo
- Publication number
- EP0424223A1 EP0424223A1 EP90402861A EP90402861A EP0424223A1 EP 0424223 A1 EP0424223 A1 EP 0424223A1 EP 90402861 A EP90402861 A EP 90402861A EP 90402861 A EP90402861 A EP 90402861A EP 0424223 A1 EP0424223 A1 EP 0424223A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slab
- elements
- track
- boxes
- prefabricated
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- 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
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
Definitions
- the present invention relates to the rapid transformation of a motorway (or road) which has at least three lanes in each direction, to increase the flow capacity. It is transformed into a highway with 2 x 2 lanes in each direction: 2 reduced gauge lanes reserved for passenger cars, 2 lanes with unchanged gauge for current traffic.
- patent GB.A.1030949 describes a prefabricated structure which comes to adapt to an existing road and its shoulders.
- this structure is supported by support points which are anchored to foundations across the existing roadway, thus neutralizing traffic for the duration of the work.
- the side tracks develop on the shoulders, which in some cases requires land acquisitions.
- the design of the process is such that the finished work does not allow vehicles to overtake one which is broken down; there is a manifest embarrassment for the flow of traffic.
- patent FR.A.1 431 771 was also designed to increase the flow of a road (or a motorway).
- the transformation is obtained after major civil engineering work, long and expensive, on the right of way of the road. This, for the duration of the work is completely closed to traffic.
- such works being specific to each site, their cost is very high and their use over long distances would quickly become prohibitive.
- the present invention aims to allow the transformation of a motorway (or road), on the one hand without requiring necessarily costly land acquisitions and often even impossible in an urban environment by nature very sensitive, on the other hand without disturbing the circulation, which continues, during the implementation of the invention, to flow as before.
- the subject of the invention is a method of rapid transformation of an existing motorway or road, in order to increase the traffic capacity thereof, method consisting in placing a series of elements on the central part of this motorway (or road). prefabricated, each comprising an upper slab intended to constitute an additional track and then to assemble them, process characterized in that: - prefabricated elements are used in the form of boxes, each comprising a lower slab-slab in reinforced concrete in addition to the upper slab above and two perforated side walls, this slab-slab being intended to constitute a lower slab for rolling, - each caisson is laid directly, by its slab-raft directly on the existing track, without prior foundation or other work through it, - the adhesion of the slab-raft with the existing pavement is achieved by means of a quick-setting mortar which acts as an interface, - possibly blocking the slab-raft with the existing pavement by studding.
- the invention also relates to the prefabricated elements for implementing the transformation process.
- These elements each include an upper slab intended to constitute an additional rolling track, and which is supported by perforated side walls, characterized in that each of these prefabricated elements consists of a box of reinforced concrete or of mixed steel structure- reinforced concrete, comprising a lower slab slab in addition to the upper slab and the two perforated side walls, this slab slab serving both to constitute a lower track and to ensure the distribution of the loads of the box in service on the existing pavement.
- the box is placed on the track bordering the central platform and part of it, so that the slab slab rests on its entire surface. This installation is done without it having been necessary beforehand to interrupt the circulation to execute foundations through the existing pavement.
- the homogeneous distribution of raft loads on the roadway is achieved through the use of a mortar; it is quick-setting because a few hours after pouring, circulation is restored on the slab.
- a studding is possibly carried out through the slab-raft to avoid any sliding of the work which would be caused by the untimely shock of a clueless "Heavyweight".
- the boxes are prefabricated in the factory, in a relatively economical way, thanks to the use of proven prefabrication techniques commonly used in the building industry.
- the invention finally relates to the laying machine for implementing the method. It is a machine which consists of a mobile frame mounted on skids and on wheels comprising, on the one hand, two horizontal beams situated at a height greater than that added to the boxes and the transport trailer, height also less than that of the bridges. overhanging the highway, and on the other side support pillars of these beams, which have a spacing greater than the width of a car, while the two beams serve as running rails for a carriage which moves in the longitudinal direction to lift, transport and then place the prefabricated element in its final location.
- the principle of the invention is therefore to place prefabricated caissons in series, assembled together and made integral with the existing roadway.
- the S box (single box) is a single channel box. It consists of a slab-raft (7) which, on the one hand resting at each of its points on the pavement ensures a homogeneous distribution loads of the box, on the other hand constitutes the roadway of the lower level, of an external wall (8) which is more or less perforated to provide ventilation and reinforced at its base on the external side to serve as a safety barrier, d 'an inner wall (9) also perforated, which two walls support an upper slab (10) which will serve as a second track.
- the box is placed on a mortar bath (11) poured directly onto the floor; this mortar allows the loads transmitted by the raft to be evenly distributed; it is quick-setting because the cars must take the lower track after a few hours.
- the raft rests upstream on an overhang (12) of the raft of the previous box and downstream on adjustment cylinders (13); the mortar is then injected into holes (14) reserved during the prefabrication. If the adhesion provided by this mortar is deemed insufficient to withstand the lateral impact caused by a clueless "Heavyweight", a nailing is carried out by pouring reinforced concrete through the slab in a borehole of a few tens of centimeters in the existing pavement (15).
- the box S is juxtaposed, in principle to a box T (see FIGS. 6 and 7), possibly to a box S, in particular under a bridge which rests on a central stack (see FIG. 9).
- the lateral assemblies (16) are carried out with the juxtaposed box and the longitudinal assemblies (17) with the upstream box.
- These assemblies can be of several types; metallic, reinforced concrete or prestressed concrete. These can be assemblies intended to ensure only a simple connection with the neighboring box; it can also be loops intended to make a chain of several boxes monobloc; prestressing ducts (18) will then have been placed, during the prefabrication, in the slabs of the caissons. Subsequently, a bituminous mat (19) is poured and the safety barriers (20), the noise barriers (21) the public lighting (22) are put in place.
- the minimum width recommended for the tracks (23) is at least 2.40 meters; that between walls (24) of 2.80 meters; the overall width (25) is 3.50 meters. Of course these dimensions can be increased if the width of the rights of way allows.
- the minimum height (26) is 2.10 meters and can be slightly increased between the bridges and even possibly under them, if they are higher than normal.
- the overall length (fig. 8 -27) is maximum 2.45 meters so that the boxes can be transported from the prefabrication plant without having to use special transport; it will be the same for the other boxes.
- Box T (sidewalk box) ( Figure 7) is a single track box, bordered by a sidewalk (28), whose minimum width (29) is 2.00 meters. Its minimum overall width (30) is 5.30 meters. For the rest, its composition is that of the box S.
- the boxes S and T are used placed in juxtaposition ( Figures 6 7 11). So that the vehicles circulating in the boxes S (31) can have the sidewalk of the box T (32), the relative position of the boxes S and T must be alternated.
- the connection zone between the sections ST and TS is obtained at using R-boxes.
- the box R (connection box) is a box whose slabs are trapezoidal and the inner wall consists of a post (35) and sill (36) and beam (37) embedded in the pavement of the slabs.
- the small side of the Rd box adapts to an S box; the long side of the T box to a T box; the other two sides fit together.
- the R boxes have an external wall similar (8) to the previous boxes.
- a gutter (38) is reserved in the sidewalk of the upper slab to receive a pre-stressed or not poured reinforced concrete beam after the installation of the 4 adjacent R caissons; this beam is intended to distribute the posts of the upper sidewalk slab over the posts.
- a gutter (39) is reserved in the sidewalk of the slab-raft to receive a sill of reinforced concrete, pre-stressed or not, also cast after installation. This sill is intended to distribute in the raft the loads transmitted by the posts. It was necessary for the handling of the boxes to adapt temporary props (40); these remain in place for the duration of the setting of the concrete; their location is designed so as not to hinder temporary daytime traffic.
- the P-box (post box) ( Figure 14) is a box which is assembled laterally to a P-box and longitudinally to another P-box and a C-box ( Figure 16).
- P boxes There are two types of P boxes, Pg and Pd.
- Pg and Pd By grouping 4 P boxes and 2 C boxes, we obtain a central sidewalk accessible from both sides.
- the advantages and disadvantages compared to the solution provided by the use of STR boxes will be defined below).
- the composition of these caissons is similar to that of the R caissons with the squaring near the beams and beams, it being further specified that these are no longer oblique, but parallel to the outer walls.
- Box C (box in the form of C) is a half box which assembles (41) to a box C (41) and is placed between two boxes P (42). It is intended to give sufficient spacing between the posts of the P boxes. Its composition is that of the P box where the post would have been removed.
- the cars run on two single lanes connected by a sidewalk which allows them to be changed at reduced speed. At regular intervals, it may be desired to allow cars to change lanes at normal speed.
- boxes D boxes of a particular type
- Box D (double channel box) ( Figure 17) is made up of two inverted and superimposed half-shells.
- Box D consists of a paver (43), two superimposed half-walls (44 and 45), rigidly assembled (46) by mechanical systems, or made of prestressed concrete or not, and an upper slab (47).
- the width of the two tracks (48) is at least 6.00 meters and the overall width (49) of 7.60 meters.
- the use of D boxes is advantageous because it allows changing lanes at constant speed; it would therefore seem more interesting than the previous ones. However, it has three drawbacks: 1) being considerably heavier than the previous ones, it can only be used where the load-bearing capacity of the roadway allows it, which in principle excludes bridges. 2) it is for this reason clearly more expensive and slower to implement. 3) When a car is stopped on a lane, only one remains open to traffic. In the previous configurations (STR or PPC), it is enough to push the vehicle onto the sidewalk to immediately have the two lanes.
- the STRPC boxes are installed by means of a machine, the principle of which is illustrated in FIGS. 21, 22, 23 and 24. It is a self-propelled machine (52) consisting of a frame (53), mounted on skids (55 ) actuated by jacks for the working and rest position, and on wheels (56) for its movements. It is designed to pass under the bridges (57) overlooking the motorway. Outside operating hours a car easily passes under its uprights (54). In the upper part two horizontal beams (58) allowing the movement of the carriage which lifts the box of its trailer (61) in front of the laying machine, moves it, makes it undergo a rotation of 90 ° (62) and puts it to its final position. After installation, the machine advances by one length of box and the cycle begins again.
- a self-propelled machine consisting of a frame (53), mounted on skids (55 ) actuated by jacks for the working and rest position, and on wheels (56) for its movements. It is designed to pass under the bridges (57) overlook
- FIG. 25 is a diagram of this principle.
- 1st cycle (67) the box is lifted from its trailer (68) by the mobile crane (69).
- 2nd cycle (70) the box is placed in the axis of the structure (71).
- 3rd cycle (72) the box is subjected to a 90 ° rotation.
- 4th cycle (73) fitting of the box.
- the vehicle speed will be limited to 80 km / h (urban limitation). There is also reason to think that the fact of circulating in a kind of tube and the impossibility of frequently changing lanes will make traffic fairly fluid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8913666 | 1989-10-19 | ||
FR8913666A FR2657366B1 (fr) | 1989-10-19 | 1989-10-19 | Lal (liaisons autoroutieres legeres). |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0424223A1 true EP0424223A1 (de) | 1991-04-24 |
EP0424223B1 EP0424223B1 (de) | 1993-03-31 |
Family
ID=9386549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900402861 Expired - Lifetime EP0424223B1 (de) | 1989-10-19 | 1990-10-15 | Verfahren zum schnellen Herstellen von zwei übereinander liegenden Strassen mit einem auf der bestehenden Strasse verlegten Bauwerk, ohne den Verkehr zu behindern |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0424223B1 (de) |
DE (1) | DE69001232D1 (de) |
FR (1) | FR2657366B1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5846020A (en) * | 1997-06-26 | 1998-12-08 | Mckeown; Kevin | Pre-fabricated multi-level roadway structure |
US6676330B2 (en) | 2000-11-30 | 2004-01-13 | Anna Stamm | Method of erecting elevated roadways above existing roadways with minimal disruption of traffic |
CN108842597A (zh) * | 2018-08-01 | 2018-11-20 | 四川兴昌建设工程有限公司 | 一种市政施工临时混凝土钢结构桥梁及其安装方法 |
CN110258296A (zh) * | 2019-07-11 | 2019-09-20 | 金陵科技学院 | 模块化装配式蜂窝桥梁结构 |
CN113322730A (zh) * | 2021-06-17 | 2021-08-31 | 河南省交通规划设计研究院股份有限公司 | 装配式市政道路路面的施工方法 |
WO2023079090A1 (de) * | 2021-11-05 | 2023-05-11 | ecoro GmbH | Tragelement und verkehrsbauwerk |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4213247A1 (de) * | 1992-04-22 | 1993-10-28 | Gerhard Witting | Straßenbauwerk, insbesondere Autobahn |
DE29505912U1 (de) * | 1995-04-06 | 1995-05-24 | Monte Bau U Handelsgesellschaf | Mehrstöckige Autobahn und ähnliche Bauwerke |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR431771A (fr) | 1911-06-30 | 1911-11-20 | Honore Cornette | Produit dentifrice |
FR1431771A (fr) * | 1965-02-01 | 1966-03-18 | Perfectionnements dans l'aménagement des réseaux de circulation et de transport, notamment des autoroutes et chemins de fer et de leurs bifurcations | |
GB1030949A (en) | 1963-11-05 | 1966-05-25 | Beteiligungs & Patentverw Gmbh | Diversion section for motor roads |
DE1459678A1 (de) * | 1964-04-16 | 1969-01-23 | Berger Dr Ing Hermann | Doppelstock-Autobahn |
-
1989
- 1989-10-19 FR FR8913666A patent/FR2657366B1/fr not_active Expired - Fee Related
-
1990
- 1990-10-15 DE DE9090402861T patent/DE69001232D1/de not_active Expired - Lifetime
- 1990-10-15 EP EP19900402861 patent/EP0424223B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR431771A (fr) | 1911-06-30 | 1911-11-20 | Honore Cornette | Produit dentifrice |
GB1030949A (en) | 1963-11-05 | 1966-05-25 | Beteiligungs & Patentverw Gmbh | Diversion section for motor roads |
DE1459678A1 (de) * | 1964-04-16 | 1969-01-23 | Berger Dr Ing Hermann | Doppelstock-Autobahn |
FR1431771A (fr) * | 1965-02-01 | 1966-03-18 | Perfectionnements dans l'aménagement des réseaux de circulation et de transport, notamment des autoroutes et chemins de fer et de leurs bifurcations |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5846020A (en) * | 1997-06-26 | 1998-12-08 | Mckeown; Kevin | Pre-fabricated multi-level roadway structure |
US6676330B2 (en) | 2000-11-30 | 2004-01-13 | Anna Stamm | Method of erecting elevated roadways above existing roadways with minimal disruption of traffic |
CN108842597A (zh) * | 2018-08-01 | 2018-11-20 | 四川兴昌建设工程有限公司 | 一种市政施工临时混凝土钢结构桥梁及其安装方法 |
CN110258296A (zh) * | 2019-07-11 | 2019-09-20 | 金陵科技学院 | 模块化装配式蜂窝桥梁结构 |
CN110258296B (zh) * | 2019-07-11 | 2024-01-26 | 金陵科技学院 | 模块化装配式蜂窝桥梁结构 |
CN113322730A (zh) * | 2021-06-17 | 2021-08-31 | 河南省交通规划设计研究院股份有限公司 | 装配式市政道路路面的施工方法 |
WO2023079090A1 (de) * | 2021-11-05 | 2023-05-11 | ecoro GmbH | Tragelement und verkehrsbauwerk |
Also Published As
Publication number | Publication date |
---|---|
DE69001232D1 (de) | 1993-05-06 |
FR2657366A1 (fr) | 1991-07-26 |
EP0424223B1 (de) | 1993-03-31 |
FR2657366B1 (fr) | 1994-03-04 |
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