JP4004423B2 - Road three-dimensional intersection construction method and pier connection structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a road three-dimensional intersection construction method and a pier connection structure, and more particularly to a road three-dimensional intersection construction method and a pier connection structure at an intersection of an existing road.
[0002]
[Background]
In recent years, traffic congestion frequently occurs at intersections or railroad crossings in urban areas where there is a lot of traffic, and three-dimensional intersections are desired as soon as possible to resolve these.
[0003]
In construction of such a three-dimensional intersection at an existing road intersection, a steel girder is usually constructed after the cast-in-place RC pier foundation construction, and an RC floor slab is constructed thereon.
[0004]
However, such a construction method increases the occupied area during construction and requires extensive traffic control over a long period of time, securing temporary roads, further congestion during that time, deterioration of the surrounding environment, and inconvenience to residents. It will be.
[0005]
Therefore, the bridge superstructure is divided into modules, moved to a predetermined position on the site by a moving device that also serves as a temporary support column, connected and integrated by an emergency connecting device, and then the road surface is used as a temporary bridge, Separately connect the bridge superstructure with permanent construction members, and replace the temporary struts with the piers as permanent struts to shorten the construction period, shorten the service period and minimize the impact on the current traffic volume A limited proposal has been made (see Patent Document 1).
[0006]
[Patent Document 1]
JP-A-6-272214 [0007]
[Problems to be solved by the invention]
In the above proposal, it is possible to reduce the construction period and minimize the impact on traffic volume, but it is assumed that the traffic will be blocked during the construction period. Cannot be resolved.
[0008]
In addition, since a moving device that also serves as a temporary support is used, the temporary support must be removed after installing the pier as a permanent support.
[0009]
Further, when installing the pier, the work space is restricted by the moving device that also serves as a temporary support column.
[0010]
The object of the present invention is to provide a road solid body that can be constructed without using temporary columns, while ensuring temporary roads, ensuring traffic during the construction period, and significantly reducing secondary traffic jams, while presuming shortening of the construction period. It is to provide a cross construction method.
[0011]
Another object of the present invention is to provide a bridge pier connection structure that can adjust the displacement and level of a pile center of a bridge pier column with respect to a pile and can reliably transmit a load.
[0012]
[Means for Solving the Problems]
In order to achieve the above object, the road three-dimensional intersection construction method of the present invention is a road three-dimensional intersection construction method in which one road at an intersection of an existing road is three-dimensionally crossed as an elevated part,
An assembly yard is disposed near the elevated part construction position, and a plurality of bridge girders transported by a transport vehicle in the assembly yard are connected to each other on a movable multi-axis carriage and assembled to a predetermined length.
Transporting the assembled bridge girder of a predetermined length to a predetermined installation position by the movable multi-axis carriage;
Supporting the bridge girder of the predetermined length on the pier at the predetermined installation position;
Returning the movable multi-axle cart from the predetermined installation position to the assembly yard;
Have
In the pier, a pile and a pier column are connected by a pier connection structure,
The pier connection structure includes a lower plate attached to the pile head, an upper plate attached on the lower plate, and a lower face of the pile center and a level of the pile head attached to the opposing surfaces of the lower plate and the upper plate. A lower load transmission adjustment member and an upper load transmission adjustment member that are adjustable and capable of transmitting a load, a connecting member that connects the lower plate and the upper plate, a long hole that allows the connecting member to move in the horizontal direction, and the upper portion It has a long hole that absorbs the deviation between the pier column and the upper plate in the horizontal rotation direction formed in the plate,
The lower load transmission adjusting member and the upper load transmission adjusting member adjust the displacement of the pile center and the level of the pile head, and absorb the positional displacement in the horizontal rotation direction with the pier column via the lower plate and the upper plate. Connecting the pile and the pier,
The bridge girder is formed so that both sides or one side in the width direction of the elevated part can be folded,
The bridge girder is transported in a state where both sides or one side in the width direction of the elevated portion is folded, expanded after being supported by the pier, and widened.
The elevated portion having a predetermined distance is constructed by repeating the above steps.
[0013]
According to the present invention, the assembly yard is disposed on the ground for the road near the construction position of the elevated part, so that the bridge girder is transported from the assembly yard on the road side to the road as compared with the case where the assembly yard is installed on the road side. Since traffic lanes can be secured without the need to block traffic or restrict traffic as in the case of traffic, the occurrence of secondary traffic congestion can be greatly reduced.
[0014]
The bridge girder transported by the transport vehicle in the assembly yard is connected to the movable multi-axle carriage and assembled to a predetermined length, so that the bridge girder assembled outside the road is transported on the road compared to Since a plurality of bridge girders received above can be connected on the road as they are, the construction period can be shortened.
[0015]
Furthermore, by transporting a bridge girder of a predetermined length in the assembly yard to a predetermined installation position by a moving multi-axle carriage, it can be reliably transferred to a predetermined installation position without affecting other lanes. This can further reduce the occurrence of secondary congestion.
[0016]
If the bridge girder of a predetermined length is supported on the pier at the installation position, the bridge girder can be supported only by the main pier without using the temporary support post, and the work such as removal of the temporary support post is unnecessary, It can contribute to shortening, and there is no restriction on the work space for installing piers.
[0018]
In addition, by folding both sides or one side of the elevated part to reduce the construction occupation width of the elevated part, it is possible to secure a right turn lane in the daytime during construction, and to further suppress secondary congestion.
In addition, the lower load transmission adjustment member and the upper load transmission adjustment member adjust the displacement of the pile core and the level of the pile head to connect the lower plate and the upper plate, and the pile and the pier column via the lower plate and the upper plate. And the upper load can be smoothly transmitted to the pile, and the process to start the construction of the pier column can be omitted, and the time to start the construction can be shortened.
[0019]
In the present invention, conveyance of the bridge girder from the conveyance vehicle to the movable multi-axle carriage can be performed by a gate-type loading facility that straddles the conveyance vehicle and the movable multi-axis carriage.
[0020]
By adopting such a configuration, the bridge girder can be moved from the transport vehicle to the moving multi-axle carriage without turning by a crane or the like, and the turning area is not required. Securing of temporary roads and traffic regulation are unnecessary, and secondary traffic congestion can be further suppressed.
[0021]
In the present invention, it is possible before Symbol abutment post after it has been connected to the girders at a predetermined installation position of the bridge girder, to be connected to the pile.
[0022]
With this configuration, the bridge girder can be transported to the installation position before the pier column is erected on the pile. After connecting the bridge pier column to the bridge girder at the installation position, the bridge girder can be connected to the pile. Transport to a predetermined installation position and support of a bridge girder by a bridge pier can be reliably performed.
[0023]
In the present invention, it is possible before Symbol abutment post after it has been connected to the pile at a predetermined installation position of the bridge girder, to be connected to the bridge girder.
[0024]
By adopting such a configuration, after the bridge girder is transported to the predetermined installation position, the bridge pier column is connected to the pile and then connected to the bridge girder, so that the bridge girder is transported to the predetermined installation position and supported by the pier column. Etc. can be performed reliably.
[0025]
In the present invention, it can be made to prior Symbol abutment posts mounted to advance the bridge deck is conveyed to a predetermined installation position.
[0026]
By adopting such a configuration, the pier column is transported to a predetermined installation position in a state where the pier column is previously attached to the bridge girder, and then the bridge pier column is connected to the pile so that the bridge girder can be securely attached to the pier column at the predetermined installation position. Can be supported.
[0031]
The pier connection structure of the present invention is a pier connection structure that connects a pile and a pier column,
A lower plate attached to the pile head, an upper plate attached on the lower plate, and attached to the respective opposing surfaces of the lower plate and the upper plate to adjust the displacement of the pile core and the level of the pile head; and A lower load transmission adjusting member and an upper load transmission adjusting member capable of transmitting a load, a connecting member that connects the lower plate and the upper plate, a long hole that allows the connecting member to move in the horizontal direction, and a horizontal formed in the upper plate It has a long hole that absorbs the deviation between the pier column and the upper plate in the rotation direction ,
The lower load transmission adjusting member and the upper load transmission adjusting member adjust the displacement of the pile center and the level of the pile head, and absorb the positional displacement in the horizontal rotation direction with the pier column via the lower plate and the upper plate. It is characterized by connecting piles and pier columns.
[0032]
According to the present invention, the displacement of the pile core and the level of the pile head are adjusted by the lower load transmission adjusting member and the upper load transmission adjusting member, the lower plate and the upper plate are connected, and the lower plate and the upper plate are connected to each other. By connecting the pile and the pier column, the upper load can be smoothly transmitted to the pile, and the process to start the construction of the pier column can be omitted to shorten the time to the construction start. it can.
[0033]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0034]
FIGS. 1-13 is a figure which shows the road solid intersection construction method which concerns on one embodiment of this invention.
[0035]
As shown in FIG. 1, this road three-dimensional intersection construction method is configured to make a three-dimensional intersection with a straight lane 16 of one road 10 at an intersection 14 of existing roads 10 and 12 as an elevated part.
[0036]
This one road 10 is a four-lane road having a central separation band 18 in the center in two lanes on each side, and the two lanes of the straight lane 16 on the center side are three-dimensionally crossed as an elevated part. Yes.
[0037]
And the assembly yard 20 is arrange | positioned on the straight lane 16 including the center separation zone 18 near an elevated part construction position.
[0038]
This elevated portion has embankment regions 22 at both ends thereof, an assembly yard including a bridge girder construction region 24 between the embankment regions 22 and two straight lanes 16 and a median strip 18 in the two embankment regions 22. 20 is arranged, and a construction yard 26 corresponding to the width of the central separation band 18 is arranged in the bridge girder construction area 24.
[0039]
Therefore, at the intersection portion 14, two lanes on each side are secured, and not only the left turn lane 28 but also the right turn lane 30 is secured, and the straight lane is excluded without blocking traffic or restricting traffic. By using this lane as a traffic lane, the occurrence of secondary traffic congestion can be greatly reduced.
[0040]
Next, as shown in FIGS. 2 (1) and 2 (2), the foundation work is performed in the construction yard 26 and the upper work ground group is performed in the assembly yard 20.
[0041]
The foundation works, for example, by driving PHC piles 34 at predetermined locations around the center span portion 32, installing temporary earth retaining 36, excavating / temporary lining, and the like.
[0042]
Further, on the right side of the central span 32, the pier 40 is constructed by building the pier column 38 on the PHC pile 34.
[0043]
As shown in FIG. 12, the construction of this pier 40 is shown in FIG. 12 (b) after driving the PHC pile 34 in FIG. 12 (b), disposing the temporary earth retaining 36 and excavating / temporary lining. Thus, the level adjustment jig 42 is attached to the pile head of the central PHC pile 34 to adjust the displacement of the pile core and the level of the pile head, and the bridge pier column 38 is placed on the level adjustment jig 42 or more. I try to connect.
[0044]
As shown in FIG. 13, the level adjusting jig 42 is attached to the lower plate 44 attached to the pile head, the upper plate 46 attached to the lower plate 44, and the opposing surfaces of the lower plate 44 and the upper plate 46, respectively. Thus, it has a lower load transmission adjusting member 48 and an upper load transmission adjusting member 50 capable of adjusting the displacement of the pile core and the level of the pile head and transmitting the load.
[0045]
The lower plate 44 has a mounting hole for the PHC pile 34 (not shown) and a long hole 52 for connection to the upper plate 46.
[0046]
The upper plate 46 is provided with a connecting bolt 54 at a position corresponding to the long hole 52 of the lower plate 44 and has a long hole 56 for connecting the pier column 38.
[0047]
Lower load transfer adjusting member 48 is a groove 58 which opens upward is formed is arranged in a cross shape in a state to accept the upper portion load transfer adjusting member 50.
[0048]
Upper load transmission adjustment member 50 is formed in a cross shape and corresponds with the lower load transfer adjusting member 48 is in a state having a plug projecting portion 60 into the groove 58 of the lower load transfer adjusting member 48.
[0049]
Then, the lower plate 44 is fixed to the top end of the PHC pile 34 with bolts 61 using the bolt hole 59 at the top end of the PHC pile 34.
[0050]
Next, reference marking is performed on the lower plate 44, the positions in the X and Y axis directions are aligned, and the lower load transmission adjusting member 48 is welded and fixed to the lower plate 44.
[0051]
Next, the upper plate 46 and the upper load transmission adjusting member 50 are welded and fixed in advance, and the insertion convex portion 60 of the upper load transmission adjusting member 50 is inserted using the lower load transmission adjusting member 48 as a guide. And the lower plate 44 are attached by connecting bolts 54.
[0052]
The upper plate 46 and the lower plate 44 are attached in such a manner that the upper plate 46 is attached to the lower end of the pier pillar 38 with the upper load transmission adjusting member 50 attached to the upper plate 46 in advance. The pier column 38 may be lowered with the lower plate 44 fixed, and the lower load transmission adjusting member 48 may be attached to the lower plate 44 to fix the upper load transmission adjusting member 50.
[0053]
In this case, one member constituting the groove portion 58 is first attached to the lower plate 44, the upper load transmission adjusting member 50 is lowered using this member as a guide, and then the other member is attached to the lower plate 44. Also good.
[0054]
Next, by adjusting the connecting bolt 54, the height (Z) and the inclination (θX, θY) are matched, and the upper plate 46 is fixed.
[0055]
Next, the meshing portions of the lower load transmission adjusting member 48 and the upper load transmission adjusting member 50 are fixed by welding or injection of unsaturated polyester resin or the like.
[0056]
Next, the pier column 38 is built and fixed on the upper plate 46.
[0057]
The rotation error in the θZ direction is absorbed by the long hole 56 of the upper plate 46.
[0058]
As a result, the pier column 38 is erected and fixed on the PHC pile 34 and the pier 40 is constructed.
[0059]
In this way, by connecting the pier 40 using the level adjusting jig 42, the displacement of the pile core and the level of the pile head are adjusted, and the lower load transmission adjusting member 48 and the upper load transmission adjusting member 50 are used to adjust the upper portion. The load can be reliably transmitted to the PHC pile 34.
[0060]
As shown in FIG. 3, in the upper yard group, a plurality of bridge girders 66 conveyed by a trailer 62 as a conveyance vehicle are connected to each other on a movable multi-axis carriage 64 and assembled to a predetermined length in the assembly yard 20. .
[0061]
The conveyance of the bridge girder 66 from the trailer 62 to the moving multi-axis carriage 64 is performed by a gate-type load taking facility 68 that straddles the trailer 62 and the moving multi-axis carriage 64, and the trailer is not turned by a crane or the like. Since it can be moved from 62 to the moving multi-axle carriage 64 and no turning area is required, the occupied area at the time of construction is made smaller, provision of a temporary road and traffic regulation are unnecessary, and secondary congestion is further suppressed. can do.
[0062]
Further, as shown in FIG. 7, the bridge girder 66 is transported in a state in which both sides 69 in the width direction of the elevated portion are folded, thereby reducing the construction occupation width of the elevated portion, It is possible to secure a right turn lane in the daytime during construction, and to further suppress secondary traffic congestion.
[0063]
As shown in FIG. 4, the bridge girder 66 having a predetermined length assembled on the moving multi-axis carriage 64 is moved to the position of the center span 32 by linear movement of the moving multi-axis carriage 64, and is used for moving and installing the pier pillars. The movable multi-axle carriage 70 is moved to the position corresponding to the PHC pile 34 on the left side of the central span 32 while the pier column 38 is supported vertically.
[0064]
A lining plate is installed in the foundation excavation part so that the traveling multi-axis carriage 64 can travel, and after the movement is completed, the lining plate of the upright column part is removed.
[0065]
Next, as shown in FIGS. 5A and 5B, the bridge girder 66 is supported by the right pier 40 and the left pier 40 at the position corresponding to the central span 32, respectively.
[0066]
In this case, as shown in FIGS. 6 and 7, the lift device 72 of the movable multi-axle carriage 64 is raised so that the bridge girder 66 is positioned above the upper ends of the right pier column 38 and the left pier column 38. Then, the upper end of the left pier column 38 is fixed to the lower surface of the bridge girder 66 by welding or bolting.
[0067]
In this case, a level adjustment jig 42 is attached to the upper end of the left PHC pile 34 to adjust the pile misalignment of the PHC pile 34 and the level of the pile head.
[0068]
In this state, as shown in FIG. 8, the lift device 72 of the movable multi-axis carriage 64 is lowered so that the lower surface of the bridge girder 66 is brought into contact with the upper end of the right pier column 38, and the lower end of the left pier column 38. Is brought into contact with the level adjustment jig 42, and the upper end of the right pier column 38 and the bridge girder 66 are welded and fixed, and the lower end of the left pier column 38 and the level adjustment jig 42 are connected and fixed.
[0069]
Thereafter, the moving multi-shaft carriage 64 is returned from the position of the central span 32 to the assembly yard 20, and the next bridge girder 66 is connected and assembled on the moving multi-shaft carriage 64, so that the bridge girder 66 at the position of the side span 74 is obtained. Are constructed in order, and the left superstructure is constructed from the central span 32.
[0070]
In addition, the return of the movable multi-axis carriage 64 to the assembly yard 20 is once moved to the horizontal lane and returned to the construction yard 26 at a position beyond the left pier 40 and moved to the assembly yard 20.
[0071]
This movement may be performed with traffic restrictions at night.
[0072]
Further, the left end of the bridge beam 66 at the side span portion 74 is joined to the right end of the left bridge beam 66.
[0073]
In this case, as shown in FIG. 12 (d), the foundation concrete is sequentially cast on the pier 40 on which the superstructure has been erected to form the footing portion 76, and both side portions 69 of the bridge girder are deployed and fixed. To widen.
[0074]
The unfolding operation of both side portions 69 of the bridge girder 66 may be performed by restricting traffic at night.
[0075]
Then, after completion of the left superstructure, the left assembly yard 20 is disassembled, and the movable multi-axle carts 64 and 70 are moved to the right assembly yard 20.
[0076]
Next, as shown in FIG. 10, the right side span span construction work is performed in the same manner as the left side construction, and after placing the left pier foundation concrete, an H steel pile 78 is placed in the embankment region 22 to create the embankment. Do.
[0077]
Next, as shown in FIG. 11, after placing the right pier foundation concrete, the H steel pile 78 is cast in the right embankment region 22 in the same manner as the left side, and embankment is created, and the temporary earth retaining 36 is removed, Backfill is performed as shown in 12 (e).
[0078]
If the superstructure finishing work is performed in parallel with the above construction and the existing road restoration work is performed, the elevated portion 80 will be constructed.
[0079]
FIGS. 14A and 14B are diagrams showing a modification of the pier connection structure.
[0080]
This pier 40 uses a cast-in-place pile 82, and the upper portion of the cast-in-place pile 82 to which the pier column 38 is attached is a steel pipe concrete pile 84, and the level adjusting jig 42 is placed on the upper surface of the steel pipe concrete pile 84. The lower plate 44 is fixed by welding.
[0081]
Other configurations of the level adjusting jig 42 are the same as those of the above-described embodiment, and the description thereof is omitted.
[0082]
Further, in this embodiment, when the foundation concrete is placed and the footing portion 76 is constructed, the foundation concrete is placed in a state where the reinforcing bars 86 are exposed through the upper part of the surrounding cast-in-place pile 82. To be done.
[0083]
FIG. 15 is a diagram showing still another embodiment of the pier connection structure.
[0084]
This pier 40 uses a PC well 88, four brackets 90 are attached to the upper inner surface of the PC well 88, a cross beam 92 is fixed to the bracket 90 with bolts, and the lower plate 44 is welded to the cross beam 92 in advance. I try to keep it.
[0085]
The cross beam 92 is reinforced in accordance with the load at the time of construction. After the bridge pier column 38 is connected and fixed via the level adjusting jig 42, the cross beam 92 is halved at the upper end of the PC well 88. A block 93 is installed to reinforce the back around the base of the column, and concrete is placed in the PC well 88 to be integrated.
[0086]
The configuration of the level adjusting jig 42 is the same as in the above embodiment, and the description thereof is omitted.
[0087]
FIG. 16 is a view showing an abutment according to another embodiment of the present invention.
[0088]
In this pier 40, pile head coupling jigs 94 are attached to the pile heads of a plurality of, for example, five piles 96, these pile head coupling jigs 94 are fixed with bolts, and the central pile 96 and level adjustment jig 42 are fixed. The lower plate 44 is fixed, the pier column 38 is connected and fixed via the level adjusting jig 42, and the footing portion 76 is constructed by placing foundation concrete.
[0089]
The configuration of the level adjusting jig 42 is the same as in the above embodiment, and the description thereof is omitted.
[0090]
The present invention is not limited to the embodiments described above, and can be modified into various forms within the scope of the gist of the present invention.
[0091]
For example, in the above-described embodiment, the state in which the pier column is connected to the pile after being connected to the bridge girder at the predetermined installation position of the bridge girder is described, but not limited to this example, the pier column is set to the predetermined installation of the bridge girder. After connecting to the pile at the position, it may be connected to the bridge girder, or it may be transported to a predetermined installation position with the pier column pre-attached to the bridge girder. What is necessary is just to make it a bridge pier pillar not interfere with conveyance movement when conveying to an installation position.
[0092]
In the above embodiment, the bridge girder is in a state where both sides in the width direction of the elevated portion are folded. However, when there is a sufficient road width, the both sides in the elevated portion width direction of the bridge girder are not necessarily folded. It is also possible to use it in a state of projecting to the side without being in a state.
[Brief description of the drawings]
FIG. 1 is a plan view showing a state of a preparatory work for a road three-dimensional intersection construction method according to an embodiment of the present invention.
2 is a plan view showing a state in which foundation work is performed from the state of FIG. 1, and FIG. 2 is a longitudinal sectional view thereof.
3 is a side view showing a state of an upper construction group in the assembly yard of FIG. 2; FIG.
4 is a side view showing a state in which a bridge girder and a pier column are transported from the state of FIG. 3. FIG.
FIG. 5 is a plan view showing a state of the span span construction from the state of FIG. 2 and (2) is a longitudinal sectional view thereof.
6 is a side view showing a state of the span span construction in FIG.
FIG. 7 is an enlarged front view showing a state where a bridge girder is lifted up by a moving multi-axis carriage.
8 is a side view showing a state in which the bridge girder is supported by the left and right piers from the state of FIG. 6. FIG.
9 is a plan view showing a state of the spanning construction on the left side span from the state of FIG. 5, and (2) is a longitudinal sectional view thereof.
10 is a plan view showing a state in which the right side span construction is performed from the state of FIG. 9 and the left embankment area is created, and (2) is a longitudinal sectional view thereof. FIG.
11 is a plan view showing a state in which finishing work is performed from the state of FIG. 10, and (2) is a longitudinal sectional view thereof.
FIG. 12 is a cross-sectional view showing a pier construction process in the present embodiment.
FIG. 13 is a perspective view showing a pier connection process for connecting a PHC pile and a pier column via a level adjustment jig.
FIG. 14 is a cross-sectional view showing a pier connection structure using a cast-in-place pile according to another embodiment of the present invention, and (2) shows a relationship between the cast-in-place pile and the level adjusting jig. It is a perspective view.
15A is a cross-sectional view showing an abutment connection structure using a PC well according to still another embodiment of the present invention, and FIG. 15B is a diagram showing a connection state between the PC well and the level adjusting jig. It is a perspective view shown.
FIG. 16 is a perspective view showing a pier connection structure in a state in which piles are connected using a pile head connection jig according to still another embodiment of the present invention.
[Explanation of symbols]
10, 12 Road 14 Intersection 16 Straight lane 20 Assembly yard 24 Bridge girder construction area 26 Construction yard 32 Central span 34 PHC pile 38 Bridge pier 40 Bridge pier 42 Level adjustment jig 44 Lower plate 46 Upper plate 48 Lower load transmission adjustment member 50 Upper load transmission adjusting member 58 Groove portion 60 Insertion convex portion 62 Trailer 64, 70 Moving multi-shaft carriage 66 Bridge girder 68 Gate-type unloading equipment 69 Both sides of bridge girder 72 Lift device 74 Side span portion 78 H steel pile 80 Elevated portion 82 Cast-in-place pile 88 PC well 96 pile

Claims (6)

A road three-dimensional intersection construction method in which one road at an intersection of an existing road is three-dimensionally crossed as an elevated part,
An assembly yard is disposed near the elevated part construction position, and a plurality of bridge girders transported by a transport vehicle in the assembly yard are assembled on a movable multi-axis carriage and assembled to a predetermined length;
Transporting the assembled bridge girder of a predetermined length to a predetermined installation position by the movable multi-axis carriage;
Supporting the bridge girder of the predetermined length on the pier at the predetermined installation position;
Returning the movable multi-axle cart from the predetermined installation position to the assembly yard;
Have
In the pier, a pile and a pier column are connected by a pier connection structure,
The pier connection structure includes a lower plate attached to a pile head, an upper plate attached on the lower plate, and attached to the opposing surfaces of the lower plate and the upper plate, respectively. Lower load transmission adjustment member and upper load transmission adjustment member that are adjustable and capable of transmitting a load, a connecting member that connects the lower plate and the upper plate, a long hole that allows the connecting member to move in the horizontal direction, and the upper portion It has a long hole that absorbs the deviation between the pier column and the upper plate in the horizontal rotation direction formed in the plate
The lower load transmission adjusting member and the upper load transmission adjusting member adjust the displacement of the pile core and the level of the pile head, or absorb the positional displacement in the horizontal rotation direction with the pier column via the lower plate and the upper plate. Connecting the pile and the pier,
The bridge girder is formed so that both sides or one side in the width direction of the elevated part can be folded,
The bridge girder is conveyed in a state where both sides or one side in the width direction of the elevated portion is folded, expanded after being supported by the pier, and widened.
A road three-dimensional intersection construction method characterized by constructing an elevated part of a predetermined distance by repeating the above steps. In claim 1,
The road three-dimensional intersection construction method characterized in that the conveyance of the bridge girder from the transport vehicle to the movable multi-axle carriage is performed by a gate-type loading facility that straddles the transport vehicle and the movable multi-axle truck. In claim 1 or 2,
The road pier column is connected to the pile after being connected to the bridge girder at a predetermined installation position of the bridge girder. In claim 1 or 2,
The road pier pillar is connected to the bridge girder after the bridge pier column is connected to the pile at a predetermined installation position of the bridge girder. In claim 1 or 2,
The road pier pillar is attached to the bridge girder in advance and transported to a predetermined installation position. In the pier connection structure that connects the pile and the pier column,
A lower plate attached to the pile head, an upper plate attached on the lower plate, and attached to the respective opposing surfaces of the lower plate and the upper plate to adjust the displacement of the pile core and the level of the pile head; and A lower load transmission adjusting member and an upper load transmission adjusting member capable of transmitting a load, a connecting member that connects the lower plate and the upper plate, a long hole that allows the connecting member to move in the horizontal direction, and a horizontal formed in the upper plate It has a long hole that absorbs the deviation between the pier column and the upper plate in the rotation direction,
The lower load transmission adjusting member and the upper load transmission adjusting member adjust the displacement of the pile center and the level of the pile head, and absorb the positional displacement in the horizontal rotation direction with the pier column via the lower plate and the upper plate. A pier connection structure characterized by connecting piles and pier columns.

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