JP2010203155A - Device and method for constructing viaduct right above - Google Patents

Device and method for constructing viaduct right above Download PDF

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JP2010203155A
JP2010203155A JP2009050256A JP2009050256A JP2010203155A JP 2010203155 A JP2010203155 A JP 2010203155A JP 2009050256 A JP2009050256 A JP 2009050256A JP 2009050256 A JP2009050256 A JP 2009050256A JP 2010203155 A JP2010203155 A JP 2010203155A
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construction
girder
pile
foundation
viaduct
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JP2009050256A
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JP5187969B2 (en
Inventor
Hitoshi Asano
Osamu Kobayashi
Iku Sato
郁 佐藤
修 小林
均 浅野
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Toda Constr Co Ltd
戸田建設株式会社
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Abstract

The present invention provides a construction apparatus for a directly elevated viaduct that can realize a shortening of a construction period at a low cost mainly using a general-purpose member by a construction girder method.
SOLUTION: A foundation construction apparatus 16 for performing substructure such as pile construction and a member erection construction apparatus 18 for performing superstructure such as a viaduct 14 on the foundation construction. The lower girder 20 and 21 supported so as to be movable on the pile 24 or the stand pipe 26 for driving the pile constructed in advance, and the upper girder 22 supported so as to be movable relative to the lower girder 20 and 21. 23, the foundation construction apparatus 16 performs the construction of the pile 24 or the pile pipe stand pipe 26, and the member construction construction apparatus 18 places the precast member at a predetermined position.
[Selection] Figure 1

Description

  TECHNICAL FIELD The present invention relates to a construction apparatus and construction method for a directly elevated viaduct, and particularly to a construction apparatus and construction method for a directly elevated viaduct provided with a construction apparatus for foundation work and a construction apparatus for member construction.
  In recent years, in order to eliminate traffic congestion due to railroad crossings, railways have been elevated, and temporary lines are generally used for the construction.
  As for the elevated railway by temporary line construction, there is a problem of business delay due to prolonged land acquisition, and as a solution to this, utilization of direct construction is expected.
  By the way, in such directly overhead construction, a dedicated overhead construction device is used (see Patent Document 1).
JP 2003-291809 A
  In such dedicated overhead construction equipment, efforts are made to give a certain degree of versatility, but since it is premised on the installation of a boom type crane, the total weight becomes a dedicated machine, and the production cost In order to utilize this, cost reduction and further shortening of the construction period are required.
  An object of the present invention is to provide a construction apparatus and a construction method for a directly elevated viaduct that can realize a shortening of a construction period at a low cost, mainly using a general-purpose member by a construction girder system.
In order to achieve the above object, the construction apparatus for the directly elevated viaduct of the present invention includes a construction apparatus for foundation work that performs substructure work such as pile construction and a construction apparatus for member construction that performs superstructure work such as viaduct on the foundation work Have
Each construction device has a lower girder supported movably on a pile constructed in advance or a foundation for pile driving, and an upper girder supported movably on the lower girder. ,
The construction equipment for foundation works performs the construction of piles or foundation works for pile driving,
The member erection apparatus mounts a precast member at a predetermined position.
  According to the present invention, the construction apparatus for foundation work and the construction apparatus for member construction are mainly used for general-purpose members by the construction girder system having the lower girder and the upper girder, respectively. In addition, each construction device is supported by a pile constructed in advance or a groundwork for pile driving, so that the entire ground improvement and leveling work for load support can be carried out, Since there is no need for protective work, etc., it is possible to achieve a significant cost reduction and shortening the construction period.
  In the present invention, the lower girder may have a middle folding mechanism for horizontal curves.
  By setting it as such a structure, it can respond | correspond easily according to the horizontal curve of the existing rail with a center bending mechanism.
  In the present invention, the lower girder can be supported by a pile or a foundation for pile driving through a jack for supporting a longitudinal gradient.
  By setting it as such a structure, it can respond easily according to the longitudinal gradient of the existing rail with a jack.
  In the present invention, the lower girder can be supported at an eccentric position of the pile or the foundation work for pile driving.
  By adopting such a structure, the lower girder is supported at the eccentric position of the pile or the foundation work for placing the pile, which affects the construction of the foundation work, the construction of the pile, the construction of the superstructure such as the viaduct, etc. Construction is possible without giving
  In the present invention, the member erection construction device moves on the upper girder constructed on the lower girder so that the front part of the upper girder is movably supported and the rear part of the upper girder is constructed. It is possible to have a rearward movement device that supports it.
  By adopting such a configuration, the rear moving device can be made compact and the lower girder can be shortened.
The construction method of the directly elevated viaduct of the present invention uses a construction apparatus for foundation work that performs substructure such as pile construction and a construction apparatus for member construction that performs superstructure such as viaduct on the foundation work,
In the construction apparatus for foundation work, a process of constructing a pile or a foundation work for pile driving prior to the superstructure,
The lower girder of the foundation work construction device is movably supported by the previously constructed pile or the foundation work for pile driving, and the upper girder of the foundation work construction device is movable relative to the lower girder. A supporting step;
A step of supporting the lower girder of the construction apparatus for erection of the member movably on the pile or the foundation work for driving the pile, and supporting the upper girder movably on the constructed overhead viaduct,
A step of constructing a directly elevated viaduct on the pile constructed by the foundation construction device with the movement of the foundation construction device,
It is characterized by including.
  According to the present invention, the construction apparatus for foundation work and the construction apparatus for member construction are mainly used for general-purpose members by the construction girder system having the lower girder and the upper girder, respectively, and unlike the dedicated apparatus, the cost is low. In addition, each construction device is supported by a pile constructed in advance or a groundwork for pile driving, so that the entire ground improvement and leveling work for load support can be carried out, Since there is no need for protective work, etc., it is possible to achieve a significant cost reduction and shortening the construction period.
  In addition, the lower girder is supported by the pile constructed in advance by the construction equipment for foundation work or the foundation work for placing the pile, and the overhead viaduct can be constructed by the construction equipment for the subsequent member construction with the pile constructed. A series of construction work can be performed efficiently.
It is a schematic side view which shows the construction apparatus of the directly overhead viaduct concerning one embodiment of this invention. It is a top view of the construction apparatus of the direct overhead viaduct of FIG. It is a partial expanded side view which shows a lower girder support state. It is the side view seen from the arrow IV direction of FIG. It is an enlarged plan view which shows the state of the middle folding mechanism in the connection part of a lower girder. It is the side view seen from the arrow VI direction of FIG. FIGS. 9A to 9E are side views showing processes from foundation work to viaduct construction.
  Embodiments of the present invention will be described below with reference to the drawings.
  1-5 is a figure which shows the construction apparatus of the directly elevated viaduct concerning one embodiment of this invention.
  FIG. 1 is a schematic side view showing a construction apparatus for a directly elevated viaduct according to the present embodiment, and FIG. 2 is a plan view of the construction apparatus for a directly elevated viaduct in FIG.
  This construction device 10 for the directly elevated viaduct is for constructing the viaduct 14 directly above the existing rail 12, and has a construction device 16 for foundation work and a construction device 18 for member construction. Each has lower girders 20, 21 and upper girders 22, 23.
  The construction apparatus 16 for foundation work performs substructure such as pile construction, and the lower girder 20 and the upper girder 22 are formed of general-purpose members.
  The lower girder 20 is movably supported by a pile 24 that is constructed in advance or a stand pipe 26 that is a foundation work for driving the pile 24.
  Specifically, the foundation work installs an all-round rotary press-fitting machine, etc., at the outer position of the existing rail 12, builds a stand pipe 26 for pile driving, and drills with a pile drilling machine. The pile 24 is constructed, and the footing is constructed.
  As shown in FIGS. 3 and 4, the lower girder 20 has a bracket 28 attached to the pile 24 or the stand pipe 26, and supports a moving roller 32 via a jack 30 on the bracket 28. It engages with a rail 25 attached to the lower surface side of the lower girder 20 and is supported so as to be movable along the rail 12 by driving a moving roller 32.
  In this case, the lower girder 20 is supported at an eccentric position with respect to the pile 24 or the pile placing stand pipe 26 and the like, and affects the construction of the base work, the construction of the pile, the construction of the superstructure such as the viaduct, and the like. Construction becomes possible without.
  Further, the lower girder 20 is supported via the jack 30 so that the jack 30 can be used as the one corresponding to the longitudinal gradient of the existing rail 12, and the jack 30 can be easily adapted to the vertical gradient of the existing rail 12. It can be adapted to.
  Further, as shown in FIGS. 5 and 6, the lower girder 20 is formed by connecting a plurality of girder members 34, and at least a pair of horizontal curves on both sides between the girder members 34. A middle folding jack 36 as a middle folding mechanism for handling is provided, and by adjusting the middle folding jack 36, the lower girder 20 can be easily adapted according to the horizontal curve of the existing rail 12. Yes.
  The upper girder 22 is in a state of being supported along the lower girder 20 above the lower girder 20 by a plurality of moving devices 38, 39, and a moving roller 40 disposed at the lower ends of the moving devices 38, 39. Is engaged with a rail 27 provided on the upper surface side of the lower girder 20 and is movable on the lower girder 20 by driving the moving roller 40.
  The upper girder 22 is movable in the width direction of the moving devices 38 and 39, and a foundation work device 42 such as a drilling machine or a pile driving machine is mounted on the upper girder 22.
  In the foundation construction apparatus 16, the moving device 38 constitutes a forward moving device, and the moving device 39 constitutes a backward moving device.
  The member erection construction device 18 performs an upper work such as a viaduct 14 on the foundation work, and the lower girder 21 and the upper girder 23 are formed of general-purpose members as in the case of the foundation work construction device 16. Has been.
  The lower girder 21 has the configuration shown in FIGS. 3 and 4 as in the case of the lower girder 20 of the construction apparatus 16 for foundation work, and detailed description thereof is omitted.
  The upper girder 23 is supported so as to be movable along the lower girder 21 above the lower girder 21 by a moving device 39 and a backward moving device 44 which are forward moving devices.
  The moving device 39, which is a forward moving device, is also used as a backward moving device for the construction apparatus 16 for foundation work, and the details thereof are as shown in FIGS.
  The backward moving device 44 is a short moving device and supports the rear portion of the upper girder 23.
  Although not shown, a moving roller is provided at the lower end of the rear moving device 44, and the moving roller engages with a rail disposed on the upper surface of the viaduct 14 just above the moving roller. It can be moved along the rail 12 by driving.
  In addition, the upper girder 23 is movable in the width direction with the front and rear portions supported by the moving device 39 and the rear moving device 44, and is also movable in the front-rear direction. The bridge pier 48 and the bridge 50 of the viaduct 14 which are precast members can be transported and assembled.
  In this embodiment, a full precast member is used as the precast member to further shorten the work period.
  Next, the construction method of the direct overhead viaduct using the construction apparatus 10 for direct overhead viaduct will be described with reference to FIGS. 7 (A) to (E).
  First, as shown in FIG. 7A, an all-round rotary press-fitting machine 52 is installed at an outer position of the existing rail 12, a pile pipe stand pipe 26 is built, and pile cutting is performed at the stand pipe 26 position. Drilling is performed with a drilling machine, the pile 24 and the footing 54 are constructed, these processes are performed at a plurality of places, for example, five places, the brackets 28 and the jacks 30 are attached to the plurality of piles 24 or the stand pipe 26, and the jack 30 The moving roller 32 is attached to the.
  In this state, the lower girder 20 and 21 of the foundation work construction device 16 and the member erection construction device 18 are engaged with the moving roller 32 to support the lower girder 20 and 21. The moving devices 38 and 39 are movably supported on 21 and the upper girder 22 is supported thereon.
  On the upper girder 22, a foundation work device 42 and the like are mounted.
  Next, the lower girder 20 and 21 are advanced while the stand pipe 26 is built in the front position and the pile 24 and the footing 54 using the foundation work device 42 are constructed. The bridge 50 and the floor slab 58 are assembled, and rails are laid on the constructed viaduct 14 so that the backward movement device 44 is movably supported.
  Then, the upper girder 23 of the member erection apparatus 18 is supported on the moving device 39 and the backward moving device 44.
  On the upper girder 23, an overhead crane device 46 and the like are mounted.
  Next, assembling of the rear pier 48, the bridge 50, and the like is performed using the overhead crane device 46 on the upper girder 23 together with the construction of the front stand pipe 26 and the pile 24.
  Next, as shown in FIG. 7B, the floor slab 58 and the like are assembled by using the overhead crane device 46.
  Next, as shown in FIG. 7C, rails are laid on the floor slab 58 of the constructed viaduct 14, and the bridge 50 and the like are assembled on the next pier 48.
  Next, as shown in FIG. 7D, a bridge pier 48 is assembled on the adjacent pile 24 where the bridge 50 is assembled, and preparation for assembling the next viaduct 14 is performed.
  When the next viaduct 14 is ready for assembly, as shown in FIG. 7E, the lower girders 20, 21 and the upper girders 22, 23 are moved forward by the moving devices 38, 39 and the rear moving device 44. It is moved by one span to prepare for the next stand pipe 26 and the assembly of the viaduct 14, and this is repeated to construct the viaduct 14.
  In addition, it respond | corresponds with the adjustment of the jack 30 and the middle folding jack 36 which are shown in FIGS.
  Thus, when using the construction apparatus 10 for the directly elevated viaduct according to the present embodiment, the construction apparatus 16 for foundation work and the construction apparatus 18 for member construction are provided with the lower girders 20, 21 and the upper girders 22, 23, respectively. In addition, each construction device 16, 18 is supported by a pile 24 or a pile pipe stand 26 that is constructed in advance, thereby supporting load support. Therefore, there is no need for complete ground improvement, leveling work, and protective work such as underground buried objects to be traversed, so that significant cost reduction and shortening of the construction period can be realized.
  Further, the lower girder 20, 21 is supported by the pile 24 or the pile placing stand pipe 26 that has been previously constructed by the foundation construction apparatus 16, and the pile 24 is constructed by the subsequent member construction construction apparatus 18. The directly overpass 14 can be constructed, and a series of construction work can be performed efficiently.
  The present invention is not limited to the above-described embodiment, and can be modified into various forms within the scope of the gist of the present invention.
  For example, in the above-described embodiment, the lower girder of the foundation work construction device and the member erection construction device is separated, the rear side movement device of the foundation work construction device, and the front movement device of the member erection construction device; Are supported on the lower rail of the construction equipment for erection of members, but each lower girder may be integrally formed, or on the other hand, the upper girder above the lower girder of the construction equipment for foundation work Supporting the moving device to be supported, and supporting the front moving device for supporting the upper girder above the lower girder of the member erection construction device on the other side, the foundation construction device and the member erection construction device are independent of each other It is also possible.
DESCRIPTION OF SYMBOLS 10 Construction apparatus of overhead viaduct 14 Viaduct 16 Construction apparatus 18 Foundation construction apparatus 20, 21 Lower girder 22, 23 Upper girder 24 Pile 26 Stand pipe 30 Jack 32, 40 Moving roller 36 Middle folding jack 38, 39 Moving device 44 Backward moving device 48 Bridge pier 50 Bridge 58 Floor slab

Claims (6)

  1. It has a construction device for foundation work that performs substructure such as pile construction, and a construction device for member construction that performs superstructure such as viaduct on the foundation work,
    Each construction device has a lower girder supported movably on a pile constructed in advance or a foundation for pile driving, and an upper girder supported movably on the lower girder. ,
    The construction equipment for foundation works performs the construction of piles or foundation works for pile driving,
    The member erection apparatus places a precast member at a predetermined position, and is a direct overhead viaduct construction apparatus.
  2. In claim 1,
    The upper girder construction apparatus, wherein the lower girder has a middle folding mechanism for horizontal curves.
  3. In claim 1 or 2,
    The upper girder construction apparatus, wherein the lower girder is supported by a pile or a foundation for pile driving through a jack for dealing with a longitudinal gradient.
  4. In any one of Claims 1-3,
    The lower girder is supported by the eccentric position of the pile or the foundation work for driving the pile, and the construction apparatus for the directly overpass viaduct.
  5. In any one of Claims 1-4,
    The construction apparatus for erection includes a front moving device that supports the front portion of the upper girder so as to be movable on the lower girder, and a rear that supports the rear portion of the upper girder so as to be movable on a directly elevated viaduct. A construction apparatus for a directly elevated viaduct comprising a moving device.
  6. Using construction equipment for foundation work that performs substructure such as pile construction and construction equipment for member construction that performs superstructure such as viaduct on foundation work,
    In the construction apparatus for foundation work, a process of constructing a pile or a foundation work for pile driving prior to the superstructure,
    The lower girder of the foundation work construction device is movably supported by the previously constructed pile or the foundation work for pile driving, and the upper girder of the foundation work construction device is movable relative to the lower girder. A supporting step;
    A step of supporting the lower girder of the construction apparatus for erection of the member movably on the pile or the foundation work for driving the pile, and supporting the upper girder movably on the constructed overhead viaduct,
    A step of constructing a directly elevated viaduct on the pile constructed by the foundation construction device with the movement of the foundation construction device,
    A method for constructing a directly elevated viaduct.
JP2009050256A 2009-03-04 2009-03-04 Overhead viaduct construction equipment and construction method Active JP5187969B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012202076A (en) * 2011-03-24 2012-10-22 Toda Constr Co Ltd Construction device of overhead viaduct and construction method of overhead viaduct
CN104532868A (en) * 2014-12-11 2015-04-22 西南交通大学 Anchored high bearing platform grouped pile foundation building method for high-steep deformation slope area bridge

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385531A (en) * 2018-03-01 2018-08-10 成都佰人佰思科技有限公司 A kind of road and bridge combined type construction method

Citations (6)

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Publication number Priority date Publication date Assignee Title
JPS4927034A (en) * 1972-07-07 1974-03-11
JPS5028737B1 (en) * 1970-10-07 1975-09-18
JPS5153730A (en) * 1974-11-05 1976-05-12 Okumura Corp
JPH08134844A (en) * 1994-11-04 1996-05-28 Kajima Corp Erection method of bridge
JPH08165613A (en) * 1994-12-13 1996-06-25 Kajima Corp Erection method of bridge beam
JP2003291809A (en) * 2002-04-08 2003-10-15 Keihin Electric Express Railway Co Ltd Device for just above high lift work

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028737B1 (en) * 1970-10-07 1975-09-18
JPS4927034A (en) * 1972-07-07 1974-03-11
JPS5153730A (en) * 1974-11-05 1976-05-12 Okumura Corp
JPH08134844A (en) * 1994-11-04 1996-05-28 Kajima Corp Erection method of bridge
JPH08165613A (en) * 1994-12-13 1996-06-25 Kajima Corp Erection method of bridge beam
JP2003291809A (en) * 2002-04-08 2003-10-15 Keihin Electric Express Railway Co Ltd Device for just above high lift work

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012202076A (en) * 2011-03-24 2012-10-22 Toda Constr Co Ltd Construction device of overhead viaduct and construction method of overhead viaduct
CN104532868A (en) * 2014-12-11 2015-04-22 西南交通大学 Anchored high bearing platform grouped pile foundation building method for high-steep deformation slope area bridge

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