KR101654657B1

KR101654657B1 - Through bridge using lateral beams and slab segment and the bridge construction method therewith

Info

Publication number: KR101654657B1
Application number: KR1020150165456A
Authority: KR
Inventors: 송정우
Original assignee: (주)주신; 송정우; 주식회사 뉴텍
Priority date: 2015-11-25
Filing date: 2015-11-25
Publication date: 2016-09-07

Abstract

The present invention relates to a method of constructing a bridge using a side beam and a slab segment, and a method of constructing a bridge using the side beam and the slab segment, At least two side beams installed on the upper surface of the formed alternating portion so as to support an end bottom and spaced apart from each other in the lateral direction; And both end flanges directly supported on the upper surface of the side beam; And a U-shaped bottom plate portion formed between the both end flanges. The U-shaped bottom plate portion is disposed so as to be in contact with the inner side surfaces of the side beams adjacent to each other and has both end flanges supported directly on the upper surface of the side beam, And a U-shaped slab segment serving to horizontally support the bottom plate portion between the inside of the both side beams.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bridge structure using a side beam and a slab segment,

The present invention relates to a hanging bridge using a side beam and a slab segment, and a bridge construction method using the same. More particularly, the present invention relates to an efficient and economical side bridge using a side beam and a slab segment, and a method of constructing a bridge using the beam and slab segment.

Conventional raymen bridges are constructed by in-situ casting method, in which the upper and lower wall structures are integrally formed. In order to integrate the upper and lower wall structures, And the upper structure are integrated. At this time, there is a problem that large legend is generated in the right part of the existing ramen bridge.

Therefore, a method of constructing a ramen bridge by a precast method is also introduced in the conventional ramen bridge construction.

That is, FIG. 1A shows a perspective view of a raymen structure constructed in a conventional precast method. That is, the bottom plate segments 10 are provided on the ground, the two wall segments 20 are provided so as to extend upward in the bottom plate segment, and the top plate segments 30 are arranged in the lateral direction So as to construct a ramen structure.

The upper plate segment 30 is connected to the precast upper plate 32 in the longitudinal direction and the upper plate concrete 33 is installed on the upper surface of the precast upper plate 32. [ And the prestress is introduced by using the tension member 31 in the transverse direction.

At this time, the bottom plate concrete between the top plate concrete 33 and the bottom plate segment 10 is adopted as a spot installation method, so that the workability can be ensured and the integrity of the segments can be ensured.

However, in such a ramen bridges, it is very important that the upper part of the wall part and the upper part segment are fixed to each other, so that the workability according to this fixing method is inevitably lowered compared with the girder bridges.

In addition, the hanging bridge is a bridge in which the slab is located at the lower portion of the longitudinal girder. FIG. 1B is a cross-sectional view of the conventional lower bridge 70 and UCB and the PSC girder bridge 80. The lower bridge is lower in shape than the PSC girder bridge. It is advantageous to secure visibility during driving, and it is advantageous in that construction work and construction cost can be reduced by reducing the amount of excavation of slab connection section. (It can be seen that the shape of the lower bridge is very low compared to the girder bridge of Sangyo Bridge. have.)

FIG. 1C shows a mounting perspective view of a conventional channel bridge C as a hanging bridge, and FIG. 1D shows a cross-sectional view of a segment 10 for a channel bridge.

Typically, over-pass bridges refer to bridges that traverse roads. Since the overpass bridge is installed on the road which is crossed during construction, it can be a great obstacle to traffic if the underpass space is encroached during the overpass bridge construction, so that there are many restrictions on the construction, I need to secure enough

It has been proposed as a bridge construction method capable of quickly constructing without overcoming obstacles to the driver's view due to the overpass bridge on the road crossing with this requirement, )to be.

The channel bridge C is a beam extending in the longitudinal direction as shown in FIG. 1C. The channel bridge C is formed by protruding the flange portion 1 outwardly from the upper side of the side surface. The inner wall is formed by the parapet wall surface 2, A beam 11; And a precast segment member 10 for a channel bridge having the same cross section and formed of a deck slab 12 extending in the longitudinal direction between the lower portion of the side beam 11 and the bottom portion of the side beam 11, It is a bridge.

At this time, a longitudinal PC steel wire 13 is buried in the upper part / lower part of the inside of the side beam 11 so as to be fixed after tension by, for example, a post tension method. As shown in FIG. 1D, The lateral PC steel wire 14 is further buried in the lower part thereof and is fixed after pre-tensioning at the factory.

A package layer 15 is formed on the surface of the deck slab 12 and the vehicle passes over the package layer 15. [

The precast segment member 10 for the channel bridge has a slim structure in comparison with other bridge systems. Even if the precast segment member 10 is being constructed, it is not necessary to control the roads that are crossed,

Since precast production is used, quality control is not only excellent, but also it is possible to construct an assembly by mechanically and quickly joining segments on the site, thereby providing an economical overpass bridge through shortening of air.

Since the channel bridge having such an advantage is constituted only by the side beam and the deck slab, the side bridge 11 has a sectional structure in which the side beam 11 almost exerts an operating load by a vehicle or the like.

In addition, since the side beam 11 has to serve as a kind of barrier, it is designed so that the required minimum height is secured, and the width of the side beam is also determined in consideration of the supporting load.

In order to install the side beams 11 at the factory and transport them to the construction site and then install them in advance at the piers or the bridge piers, a hypothetical system of launching them from one alternation side to another alternation or pier is installed And the flange portion 1 is formed to protrude outward from the upper side surface of the side beam so as to be supported by the hypothetical system.

Further, the inner wall surface 2 of the side beam is treated as a parapet wall to serve as a barrier wall, and a downwardly inclined inner surface portion formed naturally under the construction of the segment concrete is formed below the parapet wall An outer wall surface of the side beam is inclined and a packing layer 15 is formed up to the upper surface of the deck slab 12 and the lower portion of the spoon portion.

In this case, the segment constituting the channel bridge has a U-shaped cross-section as a whole, and is manufactured in the factory in the same cross-sectional shape in order to reduce the workability and manufacturing cost of the manufacturing and hypotheses, Are coupled and installed in parallel with each other.

However, since the channel bridge is structurally designed so that the side beams are mainly subjected to a load and the deck slab 12 is formed to have a thin thickness for securing a mold space, when the lateral width is to be secured, There was a limit to the applicability.

Thus, when it is necessary to design a channel bridge having a wide width (width in the transverse direction), that is, in order to construct a channel bridge having a larger transverse width, it is only necessary to increase the cross-section and height of the side beam 11 The visibility that can be ensured by the driver of the traveling vehicle can not be ensured because the height of the side beam is increased and the usability deteriorates. When it is necessary to increase the thickness of the deck slab, the weight of the channel bridge must be increased. There is a problem that it is not preferable for the bridge construction.

As a result, there is a merit that a conventional lower bridge can secure a mold space (mold), but there is a limit in that it is difficult to actually apply the method when the construction is performed in a manner of reducing the burden on the side beam.

Accordingly, in the construction of the bridge by the hanging bridge method, the longitudinal gradient of the accessory structure such as the connection road and the bank is optimized while ensuring the shape of the bridge, while allowing the transmission load to be effectively transmitted to the ground through the integration of the lower foundation And to provide a method of constructing a bridge using a side beam and a slab segment capable of being used with high speed and quick construction and a bridge construction method using the same.

According to an aspect of the present invention,

First, according to the present invention, a lower base is first manufactured, which is composed of a bottom plate and two alternating portions, and the upper portions of the two alternating portions are horizontally supported to support both side beams.

Shaped beam or an I-shaped cross-section, and both side beams are formed in at least two positions depending on the lateral width of the bridge, So as to be spaced apart.

Second, at this time, the U-shaped slab segment is installed on the side beam. At this time, the U-shaped slab segment is characterized in that both end flange bottoms of the U-shaped slab segment are supported on the upper surface of both side beams, thereby enabling quick and stable installation. Since the weight of the U-shaped slab segment and the upper load caused by other live loads act in the direction of gravity, a load acts on the upper surface rather than the side surface of the girder, so that the torsion load on the side girder can be minimized. The U-shaped slab segment is mounted on the upper surface of the adjacent side beam, so that the U-shaped slab segment can be stably supported by the both side beams.

The depth of the U-shaped bottom plate portion of the U-shaped slab segment is determined so as to be the same as the bottom surface of the both side beams, As well as to support it.

Third, after the U-shaped slab segments are installed so as to contact each other in the longitudinal direction, they are installed by a method of pressing them in the longitudinal direction (using PC strand, anchor bolt, etc.) It is possible to construct the bridge quickly.

Since the bridges according to the present invention can sufficiently secure the mold space (in the mold) compared with the ordinary girder bridges, and furthermore, the mold, which is an advantage of the hanging bridge, can be minimized, It is possible to provide more efficient bridging bridges by optimizing the construction of small and medium bridges.

In addition, since the lower foundation including the alternate portion is constructed by using the ground as much as possible, it is possible to optimize the section according to the load action, thereby making it possible to provide a more economical bridge system.

1A is a perspective view of a conventional raymen structure,
FIG. 1B is a cross-sectional view of a conventional lower bridge and a girder bridge,
1C and 1D are cross-sectional views of a conventional lower roof construction and segment,
Figures 2a, 2b, 2c, 2d, and 2e illustrate the telescoping ramen bridge views of the present invention,
FIGS. 3A, 3B, and 3C are flowcharts of a ramen bridge construction method using a bridging bridge of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

[Haloing using both side beams and slab segments of the present invention]

Figures 2a, 2b, 2c, 2d, and 2e illustrate halo perspective views using double side beams and slab segments of the present invention.

The halftoning using the double-sided beams and slab segments of the present invention will be described with reference to Embodiments 1-5, which are different in the lower base portion 110 and the U-shaped slab segment 130.

[Halo Bridge Using Side Beam and Slab Segment According to Embodiment 1]

The lower bridge 100 using the side beams and the slab segments according to the first embodiment includes the lower base 110, the side beams 120, and the U-shaped slab segments 130 as shown in FIG. 2A.

The lower base 110 includes a bottom plate 111, two alternating portions 112, and a bridge 113.

As shown in FIG. 2A, the bottom plate 111 is a reinforced concrete bottom plate having a predetermined thickness. The bottom plate 111 is installed on a lower surface of a small-sized river so that it can be treated as an upper portion. At this time, the transverse width of the bottom plate is formed to correspond to the transverse width of the bridge of the present invention, and is determined corresponding to the width of the stream in the longitudinal direction.

The upper alternating portion 112 is a wall structure vertically extending upward from both longitudinal ends of the bottom plate 111. The upper end of the alternating portion 112 has a horizontal upper surface A (see FIG. 1) so that the ends of the both side beams 120 can be horizontally mounted. ).

As a result, it can be seen that the bottom plate 111 and the two alternating portions 112 are integrated with each other so that the lower base portion 110 is formed as a U-shaped section (vertical section).

At this time, a pier 113 is additionally formed at the center of the bottom plate 111 and can be formed as a wall structure such as an independent vertical column member or two alternating portions. In the case of FIG. 2A, the case is shown as an independent vertical column member.

At this time, the lower base portion 110 is constructed so that the bottom plate and the two alternating portions are integrated with each other, so that the lower base portion 110 is constructed in a form favorable to load distribution and support.

That is, since the lower base portion 110 formed as a U-shaped section as the bottom plate 111 integrated with the two alternating portions 112 has a large area in contact with the lower ground G, It is more effectively transmitted to the ground through the part and can effectively resist the settlement.

Of course, the bottom plate 111 and the two alternating portions 112 can be constructed by putting on-site concrete or pre-casting according to the site conditions, or by combining them.

In addition, although not shown, the bottom plate 111 is provided with a pile through which the pile is installed, thereby increasing the supporting capacity. In this case, it is possible to minimize the thickness of the bottom plate and the cross section of both shift portions.

The side beam 120 is a beam member extending in the longitudinal direction, for example, as a reinforced concrete member.

It is important to optimize the cross section while minimizing the weight because the load is transmitted to both the side beams 120. The present invention is shown in the case of a beam formed of a square spherical shape.

Of course, it may be formed with other cross-sectional shapes, that is, both side beams of I-shaped cross-section, or may be formed into a composite beam form of steel and concrete.

The side beams 120 are installed to be supported by upper surfaces of the two alternating portions 112 of the lower base portion 110. The side beams 120 may be simply supported using pads or the like, It may be provided to be supported by a base, or it may be integrated with the horizontal upper end 113 and installed in a kind of a ramen method.

The upper surface extending in the longitudinal direction may be formed in a horizontal plane so that both end flange bottoms of the U-shaped slab segment 130 described later can be supported.

In this case, in the case of FIG. 2A, the two side beams 120 are spaced apart from each other in the transverse direction. However, three or more side beams 120 may be spaced apart from each other based on the lateral width of the bridge.

Since both ends of the both side beams 120 are supported on the upper surfaces of both alternating portions 112 of the lower base extending in the transverse direction, the load is transferred to the entire two alternating portions, but the slab The U-shaped slab segment 130 of the slab function is supported by the both end flanges on the upper surface of the both side beams 120, so that the U-shaped slab segment 130 can be manufactured simply in the form of a rectangular sphere.

This is because the entire upper surface of the both side beams having a relatively stable and large sectional area can be used as a load transmitting surface.

2A, the two side beams 120 are installed so that the bottom faces are supported on the bridge 113 and the tops of the two alternating portions 112.

The U-shaped slab segment 130 is manufactured in a pre-casting manner, and is made of a unit U-shaped slab segment such as a longitudinal width of 1 m or 2 m in a range where manufacturing, transportation and mounting are possible.

The U-shaped slab segment 130 includes an integrated end flange 131 and a U-shaped bottom plate 132. The bottom surface of the end flange 131 is connected to the side of the two side beams 120 So as to be supported on the upper surface.

In other words, since the weight of the U-shaped slab segment and the upper load caused by other live loads act in the direction of gravity, the load acts on the upper surface rather than the side surface of the girder, so that the torsion load on the side girder can be minimized. Shaped U-shaped slab segment on the upper surface of the adjacent side beam in the direction of the U-shaped slab segment, so that both side beams can stably support the U-shaped slab segment more effectively.

The U-shaped bottom plate 132 is formed to have a depth such that the bottom surface of the U-shaped bottom plate 132 is formed to be the same as the bottom surface of both side beams. The U-shaped bottom plate 132 functions as a slab of a substantial bridge, So that it also serves to support the inside of the both side beams in the lateral direction.

Further, the end flanges of the U-shaped slab segment 130 may be formed with a curved extended end flange 133 contacting the outer side surfaces of both side beams,

Shaped end flange 133 is formed so as to be opposed to each other laterally of both end flanges so as to surround both side beams so as not to affect the conduction and distortion of the side beams, It can be understood that the impact applied can be buffered.

It will be appreciated that it is not necessary to separately install the railings and the sidewalks (which can be used as a bicycle road) by connecting the extended end flange 133 to the both side beams. Thus, without forming the extended end flange 133, .

Further, the U-shaped slab segment 130 is installed such that the end flanges 131 and the U-shaped bottom plate 132 are in contact with each other in the longitudinal direction so as to secure the integrity of each other, Or they are integrated with each other by using an anchor bolt or the like.

The U-shaped bottom plate 132 is formed with a package layer (not shown) in a state where the U-shaped slab segments 130 are vertically aligned with each other so as to contact the upper surface and the inner surface of the both side beams 120, . Further, concrete may be formed on the upper surface of the U-shaped bottom plate 132 to have a predetermined thickness and be integrated with each other in the longitudinal direction.

When the load is transmitted to the U-shaped slab segment 130, the U-shaped slab segment 130 is dispersed in the both side beams 120 and can be finally supported by the lower base portion 110 and the ground G.

[Halo Bridge Using Side Beam and Slab Segment According to Embodiment 2]

The lower bridge 100 using both side beams and slab segments according to the second embodiment includes a lower base 110, a side beam 120, and a U-shaped slab segment 130 as shown in FIG. 2B. 1, but there is a difference between the shape of the lower base portion and the U-shaped slab segment 130.

2B, the lower base 110 includes a bottom plate 111, two alternating portions 112, and a bridge 113, which is the same as the first embodiment.

That is, the bottom plate 111 is a reinforced concrete bottom plate having a predetermined thickness, and is installed on the lower surface of the small river so that the upper part can be treated with water. At this time, the transverse width of the bottom plate is determined to correspond to the width of the river in the longitudinal direction and is determined in accordance with the width of the transverse direction in the bridge of the present invention. In contrast to the first embodiment (L1) ) Is formed to be somewhat shorter (L1 > L2).

The two alternating sections 112 differ from the first embodiment in that they are wall structures extending obliquely upward from both longitudinal ends of the bottom plate 111. The upper ends of the two side beams 120 are horizontally placed (A) so as to be formed in the horizontal upper surface (A).

As a result, it can be seen that the two alternation portions 112 are formed as inclined alternating portions formed by forming inclined surfaces of the banks formed on both sides of the river, and the inclined surfaces and the bottom surfaces of both alternating portions are grooved, It is preferable that the phenomenon does not occur.

Unlike the first embodiment, the two alternation portions 112, which are the sloped wall structures, have the effect of greatly reducing the amount of terraces for the construction of the two alternation portions and can be used as the supporting grounds of the lower portions of the two alternation portions 112 Therefore, it is possible to construct the slim lower foundation 110.

The lower plate 111 and the two alternating portions 112 are integrated with each other so that the lower base 110 is formed to have a U-shaped cross section. However, the two alternating portions 112 are formed to be inclined, .

At this time, a pier 113 is further formed at the center of the bottom plate 111 and can be formed as a wall structure such as an independent vertical column member or two alternating portions. In the case of FIG. 2B, the case of being formed as an independent vertical column member is also shown.

At this time, it is the same that the lower base portion 110 is constructed such that the bottom plate and the two alternating portions are integrated with each other to form a structure favorable to load distribution and support.

That is, since the lower base portion 110 integrated with the two alternating portions 112 also has a large area in contact with the lower ground G, the load mainly transmitted to the both side beams is more effectively transmitted to the ground through the two alternating portions, And it can be seen that the lower ground of both alternating sections is also used as the supporting ground.

Also, although not shown, the bottom plate 111 may also be provided with a pile through which it is installed in the lower ground, thereby increasing the supporting ability. In this case, it is possible to minimize the thickness of the bottom plate and the cross section of both shifts.

The side beam 120 is formed of a beam member extending in the longitudinal direction, for example, as a reinforced concrete member, as in the first embodiment.

It is important to optimize the cross section while minimizing the self weight because the load is transmitted to both the side beams 120. In the second embodiment of the present invention, it is also shown that the beam is formed into a square spherical beam.

Of course, it may be formed with other cross-sectional shapes, that is, both side beams of the I-shaped cross section, or may be formed into a composite beam form of steel and concrete.

The upper surface extending in the longitudinal direction is formed in a horizontal plane so that both end flange bottoms of the U-shaped slab segment 130 described later can be supported.

That is, two side beams 120 are installed to be spaced apart from each other in the transverse direction, and a plurality of side beams 120 may be spaced apart from each other based on the lateral width of the bridge.

Since the both end side bottom surfaces of the both side beams 120 are supported on the upper surfaces of the two alternating portions 112 of the lower base extending in the transverse direction, the load is transferred to both the alternating portions as a whole. However, The U-shaped slab segment 130 of the slab function is supported by the both end flanges on the upper surface of the both side beams 120, so that the U-shaped slab segment 130 can be simply manufactured in the form of a rectangular sphere .

This is because the entire upper surface of the both side beams, which are relatively stable and have a large cross-sectional area, can be used as the load transmitting surface.

In the case of FIG. 2B, it is also understood that the both side beams 120 are installed so that the bottom faces are supported on the bridge 113 and the upper portions of the two alternating portions 112.

The U-shaped slab segment 130 is manufactured in a pre-casting manner and is made of a unit U-shaped slab segment such as a longitudinal width of 1 m and 2 m in a range in which it can be manufactured, .

The U-shaped slab segment 130 also includes an integrated end flange 131 and a U-shaped bottom plate 132. The bottom surface of the end flange 131 is connected to the two side beams 120, As shown in FIG.

In other words, since the weight of the U-shaped slab segment and the upper load caused by other live loads act in the direction of gravity, the load acts on the upper surface rather than the side surface of the girder, so that the torsion load on the side girder can be minimized. The U-shaped slab segment can be stably installed on the upper surface of the adjacent side beam in the direction of the U-shaped slab segment.

The U-shaped bottom plate 132 is also depth-determined so that the bottom surface of the U-shaped bottom plate 132 is formed to be the same as the bottom surface of both side beams. The U-shaped bottom plate 132 functions as a slab of a substantial bridge, And also serves to support the inside of the both side beams in the lateral direction.

Further, unlike the first embodiment, it can be seen that the end flanges of the U-shaped slab segment 130 are not formed with the F-shaped extension end flange 133 contacting with the outer side surfaces of the both side beams. And it is not necessary to form the extended end flange 133 in the form of a curved shape as in the first embodiment.

Further, the U-shaped slab segment 130 is installed such that the end flanges 131 and the U-shaped bottom plate 132 are in contact with each other in the longitudinal direction so as to secure the integrity of each other, Or anchor bolts or the like are preferably used to integrate each other.

The U-shaped bottom plate 132 is formed with a package layer (not shown) in a state where the U-shaped slab segments 130 are vertically aligned with each other so as to contact the upper surface and the inner surface of the both side beams 120, . Furthermore, concrete is formed on the upper surface of the U-shaped bottom plate 132 to have a predetermined thickness and can be integrated with each other in the longitudinal direction.

[Halo Bridge Using Side Beam and Slab Segment According to Embodiment 3]

The lower bridge 100 using the side beams and the slab segments according to the third embodiment includes the lower base 110, the side beams 120 and the U-shaped slab segments 130 as shown in FIG. 2C. , But there is a difference in the shape of the lower base portion.

2C, the lower base 110 includes a bottom plate 111, two alternating portions 112, and a bridge 113, which is the same as Embodiment 1, but a difference in the construction of the bottom plate 111 have.

That is, the bottom plate 111 is formed in the form of a reinforced concrete bottom plate having a constant thickness in the case of the embodiment 1, and the lateral width is formed to have a width corresponding to the lateral width in the bridge of the present invention, , While the < RTI ID = 0.0 >

In the case of Embodiment 3, there is a difference in that the bottom plate 111 and the bridge 113 are formed of a base plate having a limited size at the bottom of the alternation portion 112 and the bridge 113. This is to avoid the burden of installing the bottom plate 111 in the form of a bottom plate .

It is noted that the two alternating portions 112 are also different from the first embodiment in that the first embodiment is a wall type but the third embodiment is an independent column member. When the bottom plate 111 and the two alternating portions 112 are formed as described above, the bottom plate 111 and the two alternating portions 112 can be constructed with a minimum number of members.

Also, it can be seen that a chest wall 114 is further formed on the upper portion so that both ends of the both side beams can be supported on the upper surface of the alternation portion 112.

At this time, a pier 113 is further formed at the center between the two alternating portions 112 and may be formed as a wall structure such as an independent vertical column member or both alternating portions. In the case of FIG. 2C, the case is shown as an independent vertical column member like the two alternating portions.

Also, although not shown, the bottom plate 111 in the form of a basal plate may also pass through the pile so as to be installed on the lower ground, thereby increasing the supporting ability. In this case, the thickness of the bottom plate and the cross section of both abutments can be minimized.

It is important to optimize the cross section while minimizing the weight because the load is transmitted to both the side beams 120. In the third embodiment of the present invention, two beams of the square shape are spaced apart from each other in the lateral direction As shown in FIG.

The side beams 120 are installed to be supported by upper surfaces of the two alternating portions 112 of the lower base portion 110. The side beams 120 may be simply supported using pads or the like, It may be provided to be supported by a pedestal, or may be integrated with a horizontal upper end (A) and installed in a kind of a ramen method.

That is, the both side beams 120 are installed to be spaced apart from each other in the transverse direction, and spaced apart from each other based on the lateral width of the bridge.

In the case of FIG. 2C, it is also understood that the both side beams 120 are installed so that the bottom faces are supported on the bridge 113 and the upper portions of the two alternating portions 112.

The U-shaped slab segment 130 is manufactured in a pre-casting manner as in the first embodiment, and is manufactured using a U-shaped slab segment such as a longitudinal width of 1 m or 2 m in a range in which it can be manufactured, .

Since the weight of the U-shaped slab segment and the upper load due to other live loads act in the gravity direction, the load acts on the upper surface rather than the side surface of the girder, so that the torsion load on the side girder can be minimized. The U-shaped slab segment can be stably installed on the upper surface of the adjacent side beam in the direction of the U-shaped slab segment.

Further, it can be seen that both end flanges of the U-shaped slab segment 130 are further formed with a C-shaped extended end flange 133, which is in contact with the outer side surfaces of both side beams, Shaped end flange 133 is formed so as to be opposed to each other laterally of both end flanges so as not to affect the conduction and warping of the both side beams since it is formed to surround both side beams outwardly, It can be seen that the impact applied to the beam can be buffered. Accordingly, it can be understood that the railway and the sidewalk section (which can be used as a bicycle road) do not need to be separately installed, and construction can be performed without forming the extended end flange 133 of the S-shaped form.

Further, the U-shaped slab segment 130 is installed such that the end flanges 131 and the U-shaped bottom plate 132 are in contact with each other in the longitudinal direction so as to secure the integrity of each other, Or anchor bolts or the like.

[Halo Bridge Using Side Beam and Slab Segment According to Embodiment 4]

The lower bridge 100 using the side beams and the slab segments according to the fourth embodiment includes the lower base 110, the side beams 120 and the U-shaped slab segments 130 as shown in FIG. But there is also a difference in the shape of the lower base portion.

2d, the lower base portion 110 includes a bottom plate 111, two alternating portions 112, and a bridge 113. The lower base portion 110 is the same as that of Embodiment 1, (112) There is a difference in construction.

That is, the bottom plate 111 is formed in the form of a reinforced concrete bottom plate having a constant thickness in the case of the embodiment 1, and the lateral width is formed to have a width corresponding to the lateral width in the bridge of the present invention, Whereas in the case of the fourth embodiment, the transversely central portion of the bottom plate is blocked out and connected to each other by the bracing member 140.

This is different from Embodiment 3 in that the bottom plate 111 is formed as an independent base plate.

The two alternating sections 112 are also different from the first embodiment, but they are formed to be wall-shaped as in the first embodiment, but spaced apart from each other in the lateral direction. The present invention is different from the first embodiment in that it is formed as a vertical wall integrally with the bottom plate 111, but is spaced away from each other in the lateral direction.

At this time, a bridge pillar 113 is additionally formed on the central upper surface of the bottom plate 111 and may be formed as a wall structure such as an independent vertical column member or both alternating portions. In the case of FIG. 2 (d), there is shown a case where the vertical column member is formed as an independent vertical member such as the two alternating portions.

Also, although not shown, the bottom plate 111 may also be provided with a pile through which the pile may be installed to the lower ground, thereby increasing the supporting capacity. In this case, the thickness of the bottom plate and the cross section of both alternating portions can be minimized.

The side beam 120 is formed of a beam member extending in the longitudinal direction, for example, as a reinforced concrete member, and the two side beams 120 are formed in the lateral direction in the same manner as the first embodiment.

It is important to optimize the cross section while minimizing the self weight because the load is transmitted to both the side beams 120. In the third embodiment of the present invention, it is also shown that the beam is formed into a square shape.

In the case of FIG. 2D, it is also understood that the both side beams 120 are installed so that the bottom faces are supported on the bridge 113 and the upper portions of the two alternating portions 112.

Further, it can be seen that both end flanges of the U-shaped slab segment 130 further form a C-shaped extended end flange 133 that contacts the outer side surfaces of both side beams, Shaped end flange 133 is formed so as to be opposed to each other laterally of both end flanges so as not to affect the conduction and warping of the both side beams since it is formed to surround both side beams outwardly, It can be seen that the impact applied to the beam can be buffered. Accordingly, it can be understood that the railway and the sidewalk section (which can be used as a bicycle road) do not need to be separately installed, and construction can be performed without forming the extended end flange 133 of the S-shaped form.

In addition, since the bottom plates 111 are formed to be laterally spaced from each other in the case of the fourth embodiment, it can be seen that a bracing member 140 in the form of a beam extending in the transverse direction is additionally provided .

Accordingly, the bracing member 140 is formed to have the same thickness as the bottom plate 111, and the end surfaces of the bracing member 140 are in contact with the inner side surfaces of the bottom plate 111, so that the load transmitted to the bottom plate can be dispersed. As a result, it can be seen that the bottom plate 111 is formed as a small bottom plate, and the bottom plate 111 is connected with a bracing member.

[Halo Bridge Using Side Beam and Slab Segment According to Embodiment 5]

The lower bridge 100 using both side beams and slab segments according to the fifth embodiment includes a lower base 110, a side beam 120, and a U-shaped slab segment 130 as shown in FIG. 2E. 1, but the greatest difference is that it is possible to form more than two side beams 120, and there is also a difference in the shape of the lower base portion.

2E, the lower base 110 includes a bottom plate 111, two alternating portions 112, and a bridge 113, which is the same as the first embodiment.

That is, the bottom plate 111 is formed in the form of a reinforced concrete bottom plate having a constant thickness in the case of the embodiment 1, and the lateral width is formed to have a width corresponding to the lateral width in the bridge of the present invention, And the bottom plate 111 is formed in the form of a separate base plate as in the third embodiment in the case of the fifth embodiment.

The two alternating portions 112 are also different from those of the first exemplary embodiment, unlike the first exemplary embodiment, the wall type and the independent column type can be combined.

At this time, a bridge 113 is further formed between the two alternating portions 112, and may be formed as a wall structure such as an independent vertical column member or both alternating portions. In the case of FIG. 2E, the case is formed as an independent vertical column member.

Also, although not shown, the bottom plate 111 in the form of a basal plate may also pass through the pile so as to be installed on the lower ground, thereby increasing the supporting ability. In this case, the thickness of the bottom plate and the cross section of both abutments can be minimized. At this time, it can be seen that the chute wall 114 is formed as in the third embodiment.

It is important to optimize the cross section while minimizing the weight because the load is transmitted to both the side beams 120. In the fifth embodiment of the present invention, it is also shown that the lower beam is formed as a beam of a square shape.

That is, the two side beams 120 are installed to be spaced apart from each other in the transverse direction, and are spaced apart from each other with respect to the lateral width of the bridge. In FIG. 2e, three are spaced apart from each other in the lateral direction.

Since the side beams 120 are supported on the upper surfaces of both alternating portions 112 of the lower base extending in the transverse direction, the load is transmitted to the entire two alternating portions, but the slab is supported at the lower inner side The U-shaped slab segment 130 of the slab function is supported by the both end flanges on the upper surface of the both side beams 120, so that the U-shaped slab segment 130 can be simply manufactured in the form of a rectangular sphere.

In the case of FIG. 2E, it can be seen that the both side beams 120 are installed to support the bottom surface on the bridge 113 and the upper surfaces of the two alternating portions 112, It can be seen that the side beam 120a is further formed and is also supported by the bridge 113 so that the number of installed intermediate side beams can be increased according to the lateral width of the bridge.

Further, in the case of the fifth embodiment, the intermediate side beams 120a are further provided to connect the both end flanges to each other on the upper surface of the intermediate side beam.

The intermediate side beams are also formed to be enclosed by the U-shaped slab segments 130. When the load is transmitted, the intermediate side beams are dispersed into the both side beams 120 and the intermediate side beams 120a, ). &Lt; / RTI >

[Method of Lowering Bridge Construction Using Both Side Beams and Slab Segments of the Present Invention]

FIGS. 3A, 3B and 3C are flowcharts of a method of implementing a bridging bridge using a bridging bridge of the present invention. In addition, we will examine the bridges installed in small and medium sized rivers.

First, the bottom of the river is set to a certain depth, and both river banks are closed with a certain slope.

Next, as shown in FIG. 3A, when the bottom plate 111, which has been previously seen on the bed, is rapidly installed, the flow of the river is temporarily limited through the construction of the unexplored debris, which can be done by using the formwork and the cast concrete .

Next, on both sides of the bottom plate 111 on both sides of the river bank, two alternating portions 112 are installed. The two alternating portions 112 are manufactured by a pre-casting method and can be brought into the field and installed immediately, and are assembled by segmenting in consideration of size and the like.

The two alternating portions 112 may be integrated with each other at both side ends of the bottom plate by mechanical fastening (anchor bolts, etc.).

If it is necessary to construct the two alternating sections 112, the bottom plate and the two alternating sections may be constructed after the digging. Of course, the two alternating sections 112 may be constructed with on-site concrete.

Next, as shown in FIG. 3B, the both side beams 120 are mounted on the upper surfaces of the two alternating portions 112.

The two side beams 120 may be formed in a square shape and may be supported by using a bridge support so that the bottom surfaces of both end flanges are supported on the upper surfaces of the two alternation portions 112, Or they may be fixed to each other by a fastening device.

Thus, it can be seen that the both side beams 120 are laterally spaced from each other on the outermost upper surface of the two alternating portions 112.

Next, as shown in FIG. 3C, the preformed U-shaped slab segment 130 is mounted on the upper surface of the both-side beam 120 so that both end flanges are supported, and a plurality of U-shaped slab segments 130 are vertically So as to be integrated with each other.

Since it is installed by using the upper surface of both side beams, it is possible to construct more quickly and stably, and there is no need to install it by using a separate hypothetical scheme.

In addition, since the U-shaped bottom plate 132 supports both side beams in the lateral direction, the U-shaped bottom plate 132 restrains the positions of both side beams from each other during the construction process. Thus, the conduction, .

When the final U-shaped slab segment 130 is completed, an anchor bolt, a PC strand, an anchor bolt, and the like are used to integrate each other. By using an extended end flange 133 formed integrally with both end flanges, A pedestal, a pedestal, and the like are not separately formed.

In the case of Examples 2, 3, 4, and 5 as described above, there is a difference in the construction of the bottom plate 111 and the two alternation portions 112, The construction of the bottom plate, the construction of the two alternating portions, the construction of the both side beams, and the construction of the U-shaped slab segment 130 are the same.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: Halo bridge using side beams and slab segments
110:
111: bottom plate
112:
113: Pier
114: chest wall
120: side beam
120a: intermediate side beam
130: U-shaped slab segment
140: Bracing material

Claims

Side beams 120 installed on the upper surface of the alternating portions 112 spaced apart from each other in the longitudinal direction constituting the lower base 110 and spaced apart from each other in the transverse direction; And
An end flange (131) directly supported on the upper surface of the both side beams; And a U-shaped bottom plate portion 132 formed between the both end flanges. The U-shaped bottom plate portion 132 is disposed so as to be in contact with the inner side surfaces of the both side beams adjacent to each other, And a U-shaped slab segment (130) which, together with both end flanges (131), serves to support the U-shaped bottom plate in the transverse direction between the inside of both side beams,
The U-shaped slab segment 130 is installed such that the both end flanges 131 and the U-shaped bottom plate 132 are in contact with each other in the longitudinal direction so as to ensure the integrity of each other so as to serve as a slab of the bridge,
An intermediate side beam 120a is further formed between the transverse sides of the both side beams 120 installed on the upper surface of the two alternating portions 112 to connect the opposite end flanges of the U-shaped slab segment 130 to each other on the upper side of the intermediate side beam And the middle side beam is formed by the U-shaped slab segment 130 so as to be enclosed by the side beam and the slab segment.

The method according to claim 1,
The end flanges of the U-shaped slab segment 130 are further formed with a C-shaped extended end flange 133 abutting the outer sides of both side beams, And the side beams and the slab segments are formed to be opposed to each other at the sides of the side beams and to surround the both side beams so as not to affect the conduction and distortion of the side beams.

The method according to claim 1,
The lower base 110 includes a bottom plate 111 and two alternating portions 112,
The bottom plate 111 is formed in a form of a reinforced concrete bottom plate formed on the ground or the upper surface of the bottom in a width corresponding to the width of the bridge in the transverse direction and corresponding to the distance between the two alternating portions of the bridge in the longitudinal direction,
The upper alternating portion 112 is a wall structure vertically extending upward from both longitudinal ends of the bottom plate 111. The upper end of the alternating portion 112 has a horizontal upper surface A (see FIG. 1) so that the ends of the both side beams 120 can be horizontally mounted. ),
The bottom plate 111 and the two alternating portions 112 are integrated with each other so that the lower base portion 110 is formed as a U-shaped section (longitudinal section), using a side beam and a slab segment.

The method according to claim 1,
The lower base 110 includes a bottom plate 111 and two alternating portions 112,
The bottom plate 111 is formed in a form of a reinforced concrete bottom plate formed on the ground or the upper surface of the bottom in a width corresponding to the width of the bridge in the transverse direction and corresponding to the distance between the two alternating portions of the bridge in the longitudinal direction,
The two alternating portions 112 are inclined alternately and extend upward from both longitudinal ends of the bottom plate 111. The upper ends of the two alternating portions 112 are horizontally arranged such that the ends of the both side beams 120 can be horizontally mounted, Is formed as an upper surface (A)
The bottom plate 111 and the two alternating sections 112 are integrated with each other to form a U-shaped section (longitudinal section) of the lower base section 110 with the inclined alternating sections.

The method according to claim 1,
The lower base 110 includes a bottom plate 111 and two alternating portions 112,
The bottom plate 111 is formed as a base plate on the bottom surfaces of both of the alternating portions 112 and the piercings 113,
The two alternating portions 112 are independent column members, and the upper end is formed as a horizontal upper surface A so that the end portions of the both side beams 120 can be installed horizontally, and the side beams and the slab segments are used.

The method according to claim 1,
The lower base 110 includes a bottom plate 111 and two alternating portions 112,
The bottom plate 111 is formed in the form of a reinforced concrete bottom plate having a width corresponding to the width of the bridge in the transverse direction on the ground or on the upper surface of the lower surface and corresponding to the distance between the two alternating portions of the bridge in the longitudinal direction The lateral center portions of the bottom plate are blocked out and connected to each other by a bracing member 140,
The upper alternating portion 112 is a wall structure vertically extending upward from both longitudinal ends of the bottom plate 111. The upper end of the alternating portion 112 has a horizontal upper surface A (see FIG. 1) so that the ends of the both side beams 120 can be horizontally mounted. ),
The bottom plate 111 and the two alternating sections 112 are integrated with each other to form a U-shaped section (longitudinal section) of the lower base section 110 with the inclined alternating sections.

The method according to claim 1,
The lower base 110 includes a bottom plate 111 and two alternating portions 112,
The bottom plate 111 is formed as a base plate having a limited size on the bottom surfaces of both the alternating portions 112 and the bridge columns 113,
The one side alternating portion 112 is a wall structure which is inclined alternately and extends upwardly from both longitudinal ends of the bottom plate 111. The upper end of the one side alternating portion 112 is horizontally disposed such that the ends of the both side beams 120 can be horizontally laid, And the other alternate portion 112 is an independent column member and the upper end is formed as a horizontal upper surface A so that the ends of the both side beams 120 can be installed horizontally, And halo bridge using slab segment.

delete

(a) installing both side beams (120) spaced from each other in a transverse direction so as to support an end bottom on the upper surface of both alternating portions (112) spaced apart from each other in the longitudinal direction constituting the lower base (110);
(b) both end flanges (131) directly supported on the upper surface of the both side beams; And a U-shaped bottom plate portion 132 formed between the both end flanges. The U-shaped bottom plate portion 132 is disposed so as to be in contact with the inner side surfaces of the both side beams adjacent to each other, Shaped U-shaped slab segment (U-shaped slab segment) to be integrally formed in the longitudinal direction by using a PC stranded wire or an anchor bolt, while the U-shaped bottom plate portion plays a role of supporting both side- 130); And
(c) The U-shaped slab segment 130 is installed such that the both end flanges 131 and the U-shaped bottom plate 132 are in contact with each other in the longitudinal direction so as to ensure the integrity of each other, Wherein the side beams and the slab segments are disposed on the side beams.

10. The method of claim 9,
After step (c), both end flanges of the U-shaped slab segment 130 are further configured to have a C-shaped extended end flange 133 abutting the outer side of both side beams, The flange 133 is formed to be opposed to each other laterally of the both end flanges so as to enclose both side beams to externally cover the flange 133 so as not to affect the conduction and distortion of the side beams, And a side beam and a slab segment which are separately formed to form a railway, a sidewalk, and the like.