KR101240586B1 - Reinforced stone-deck for footbridge - Google Patents

Abstract

PURPOSE: A reinforced stone-deck for a footbridge is provided to improve construction-ability and impact resistance in order to be used in stone bridge, deck load, a cable stayed bridge, and suspension bridge by attaching a tension stiffener. CONSTITUTION: A reinforced stone-deck for a footbridge comprises the following steps: a step of forming a rugged unit on the top of a stone plate(4) to improve coefficient of friction; a step of attaching a tension stiffener by using an adhesive to strengthen the impact resistance to external impacts to the bottom of the stone plate; a step of attaching a multi-layered stone plate on the stone plate; and a step of attaching the tension stiffener by using the adhesive to strengthen the impact resistance to external impacts between the adhesive sides of the stone plates.

Description

Reinforced stone-deck for footbridge

The present invention relates to a reinforcement stone deck for bridges in more detail, to plan the deck as a structural flag, to attach the finishing plate on the side, as well as to use the handrail stone to highlight the sidewalk itself in the image of stone bridge Reinforce the shortcomings of the stone weak to the impact from the outside by attaching tensile reinforcing materials such as carbon fiber sheet to the bottom of one layer of stone deck and two or more layers of stone deck used in the invention bridge bridge It is invented so that it can be used as a reinforcement stone deck of Indian stone bridges, as well as deck rods such as Indian deck rods, Indian suspension bridges, and Indian cable-stayed bridges. .

In general, pedestrian bridges for pedestrians installed between buildings often use preservative wood or synthetic wood as floor decks.

However, such preservative wood or synthetic wood is difficult to secure durability, when used in riversides or areas with a lot of water is more durable.

On the other hand, stone such as granite has excellent durability and is not affected by the surrounding environment, so it can be applied as flooring materials for footbridges, bicycle paths and terraces, and as such, it has been used as exterior materials for buildings due to problems such as processability and structural homogeneity. It is mainly used and rarely used as a structural member for bending.

On the other hand, flooring materials such as footbridges, bicycle paths and terraces are not large in working load and can control bending stress and shear stress by narrowing the distance between the long wire pipes, which are the supporting structures, so there is no problem in using the stone for this purpose.

In other words, deck rods, cable-stayed bridges and suspension bridges of footbridges do not have a large load, so the deck that corresponds to scaffolding has been mainly used for thin steel plate / wood deck / synthetic wood deck. Recently, durable and eco-friendly stone deck has been proposed. There is a bar.

Since the stone deck is beautiful in structure and durable in structure, it is often required to be installed in the city park where the entrance bridge of traditional temples and aesthetics are important.

Therefore, there has been a continuous demand for the development of models and construction methods for Indian stone bridges that are made of stone slabs that are easy to construct and economical in terms of cost.

Accordingly, the present applicant has developed a stone bridge for India in order to solve and satisfy the above requirements, and has been proposed as a registered Korean Patent Publication No. 10-1034841.

By the way, the bottom flagstone of the Indian stone bridge presented in the above-mentioned Patent Publication No. 10-1034841 has a problem that a rubber plate is installed on the point portion for absorbing the shock, but the bottom flag itself is easily broken by the impact.

1. Republic of Korea Patent Publication No. 10-1034841 (May 06, 2011)

The present invention was devised to solve such a conventional problem, but one or more layers of stone deck to be installed in the bridge bridge for footbridge, if the stone deck itself is one layer, such as carbon fiber sheet tension on the bottom Strengthen impact resistance against impact by attaching a reinforcing material, and in the case of two or more layers, attach a tensile reinforcing material such as carbon fiber sheet to the inside to strengthen impact resistance against impact, and introduce the T bolt and nut for fastening. The purpose is to provide a beautiful and impact-resistant reinforcement stone deck for Indian bridges, deck rods, cable-stayed bridges and suspension bridges.

In other words, the present invention is an improved invention of Korean Patent No. 10-1034841, and attaches a tensile reinforcing material such as a carbon fiber sheet or the like to have impact resistance on the bottom face of the bottom flagstone of Indian stone bridge, Tensile reinforcing materials such as carbon fiber sheets are attached between two layers of stone slabs corresponding to the thickness to enhance impact resistance and to protect the attached carbon fiber sheets, which are susceptible to heat degradation, and further improve the durability. As the plate is attached, it is easy to install through-hole for T-bolt and nut installation on only one layer of the bottom, and there is no drilling or horn processing on the other layer of the surface, so it is possible to manufacture a stone deck with excellent workability and usability. These reinforcement stone decks are not only bridge footbridges, but also cable-stayed bridges and stringers of reinforcement deck decks / reinforced stone decks. To also provide the reinforcement for stone dekeueul footbridge, which bridge can be used it is an object or the like.

The present invention for achieving the above object, several longitudinal beams are provided at a predetermined interval in the longitudinal direction; Several transverse beams each of which is fixed at both ends through several bolts and nuts between adjacent longitudinal beams; A plurality of joists which have several stone plate fixing pieces on one side of the upper surface and are fixed by welding at predetermined intervals in the same direction as the direction of the longitudinal beams on the upper surfaces of the longitudinal beams and the transverse beams; Several stone slabs that are successively installed adjacent to each other on an upper surface of the joist; A plurality of shock absorbing rubber plates attached to an upper surface of a joist in contact with the bottom surface of the stone slab to mitigate the impact force generated therebetween; In the bridge deck reinforcement stone deck consisting of several stone plate fixing means for maintaining the stone plate itself is fixed to the upper surface of the joist with the rubber plate for shock absorption therebetween, the upper surface of the stone plate is the coefficient of friction Forming an uneven portion through the dodlock trim for enhancement, characterized in that the bottom surface of the stone slag is attached to the tension reinforcement using an adhesive to strengthen the impact resistance against external impact.

In addition, two or more layers of stone slabs are attached to the upper surface of the stone slabs in multiple layers, and a tensile reinforcing material is attached and installed by using an adhesive to strengthen the impact resistance against external impacts between the adhesive faces of the stone slabs. It is characterized by.

At this time, the tensile reinforcing material is characterized in that it comprises a carbon fiber sheet or a tensile metal material.

In addition, the adhesive is characterized in that it comprises an epoxy and mortar and old and new concrete adhesive.

In addition, when there is one layer of stone slabs successively installed adjacent to each other on the upper surface of the joist, each stone slab bottom is drilled with anchor installation grooves at a predetermined interval, and each anchor installation groove is embedded with the stone slab fixing means. The anchor bolt is fixedly installed, and the stone slabs installed in one layer are fixed to the stone slabs fixed piece provided on one side of the upper surface of the joist using a buried anchor bolt and a nut fastened thereto.

In addition, when two or more layers of stone slabs that are successively installed adjacent to each other on the upper surface of the joist are multi-layered, all of the stone slabs except for the exposed stone slabs are drilled several bolt through holes at a predetermined interval in the vertical direction. The T bolt head locking groove is formed around the bolt through hole at the upper surface of the stone slab at the top of the stone slab with the bolt through hole formed therein, and the T bolt is inserted into the stone slab to penetrate the bolt through hole. The externally exposed stone plate with the tension reinforcement attached to the bottom is integrally attached to the upper surface of the top stone plate, and the stone plate installed in two or more layers is attached to the stone plate fixing piece provided at one side of the upper surface of the joist. Characterized in that it can be fixed using the bolt and the nut fastened thereto.

At this time, when attaching two or more layers of stone slabs, the thickness and material of each stone plate is characterized by including the same or different thicknesses and materials.

In addition, the reinforcement stone deck for the bridge is characterized in that it is installed in the bridge and the Indian deck, Indian suspension bridge and cable-stayed bridge for India.

At this time, the reinforcement stone deck for pedestrian bridge is supported by the alternation of both eyes in the case of pedestrian bridge, and is supported by several pillars installed on the ground at predetermined intervals in the case of pedestrian deck rod, the suspension bridge for bridge and the cable-stayed bridge for pedestrian bridge In the case is characterized in that supported by the cable.

As described above, according to the reinforcement stone deck for guiding bridges to which the present invention is applied, by first attaching a tensile reinforcing material such as a carbon fiber sheet to the bottom of the stone flagstone, the impact resistance can be remarkably improved to improve safety, and the second two or more layers Reinforced stone deck consisting of a reinforced reinforcing stone deck, such as carbon fiber sheet between the stone slab attached to the impact resistance as well as the tensile reinforcing material is not exposed to further strengthen the durability, third reinforced reinforcement stone deck consisting of two or more layers It is easy to install T bolt by drilling bolt through hole in the stone plate located at the bottom and no drilling or horn processing is performed on the stone plate on the other side of one side which is located on the outside (ie surface). This excellent stone deck can be manufactured, and fourthly, three or more layers depending on the requirements. In addition to making the stone deck with multiple layers, the thickness and the material of each stone can be configured differently.Fifth bridge reinforcement stone deck for the bridge bridge can be used as the floor plate of the bridge bridge, deck rod, cable bridge and suspension bridge of the reinforced stone deck. It is a very useful invention that can greatly improve compatibility.

1 is a side view of a state in which the reinforcement stone deck for footbridge of the present invention installed in the footbridge.
Figure 2 is a partially exploded perspective view of the reinforcement stone deck for the present invention bridge.
Figure 3 is a front and partial enlarged cross-sectional view of the reinforcement stone deck for the present invention bridge stone installed in one layer.
Figure 4 is a side cross-sectional view and partly enlarged cross-sectional view of the reinforcement stone deck for the present invention bridge stone is installed in one layer.
Figure 5 (a) (b) is an enlarged cross-sectional view of the main portion of the reinforcement stone deck for the present invention bridge stone installed in two layers and three layers.
Figure 6 is a front cross-sectional view and a partial side view of the reinforcement stone deck for guiding bridge of the present invention installed on the sidewalk deck rod.
7 is a cross-sectional view of a state in which the reinforcement stone deck for guiding bridge of the present invention is installed on a guiding suspension bridge and a cable-stayed bridge for guiding.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a side view showing a state in which the reinforcement stone deck for footbridges of the present invention installed in the footbridge, Figure 2 shows a partially exploded perspective view of the reinforcement stone deck for footbridges of the present invention, Figure 3 is a stone flagstone in one layer The front and partial enlarged cross-sectional view of the reinforced stone deck of the present invention installed bridge deck, Figure 4 is a side cross-sectional view and a partially enlarged cross-sectional view of the reinforced stone deck of the present invention bridge stone installed in one layer.

In addition, (a) (b) of Figure 5 shows an enlarged cross-sectional view of the main portion of the reinforced bridge for the bridge of the present invention in which the stone flagstone is installed in two and three layers, Figure 6 shows the reinforced stone deck for bridge bridge of the present invention The front cross section and a partial side view of the state installed in the deck rod for a ship are shown, FIG. 7 shows the front sectional view of the reinforcement stone deck for the bridge bridge of this invention installed in the suspension bridge for India and the cable-stayed bridge for India.

According to the present invention,

Several longitudinal beams (1) installed at regular intervals in the longitudinal direction; Several transverse beams 2 each of which is fixed at both ends through several bolts 9a and nuts 9b between longitudinal beams 1 adjacent to each other; Several stone plate fixing pieces 31 are provided on one side of the upper surface, and welded at predetermined intervals in the same direction as the direction of the longitudinal beams 1 on the upper surfaces of the longitudinal beams 1 and the transverse beams 2. Several joists (3) fixedly installed through; Several stone slabs (4) which are successively installed adjacent to each other on the upper surface of the joist (3); A plurality of shock absorbing rubber plates (5) attached to an upper surface of the joist (3) in contact with the bottom of the stone slag (4) to mitigate the impact force generated therebetween; Reinforcement stone deck for bridges consisting of several stone slab fixing means (6) to maintain the fixed state on the upper surface of the joist (3) with the stone slag (4) itself with the shock absorbing rubber plate (5) in between To

The top surface of the stone slag 4 forms the uneven portion 41 by trimming the dodlock to improve the friction coefficient, and the bottom surface of the stone slab 4 using an adhesive to strengthen the impact resistance against external impact It is characterized in that the tension reinforcing material (8) attached to.

In addition, two or more layers of stone slabs 4 are attached to the upper surface of the stone slabs 4 in multiple layers or more, but also between the adhesive surfaces of each stone slab 4 to improve the impact resistance against external impact adhesive It is characterized in that the tension reinforcing material (8) attached by using.

At this time, the tensile reinforcing material (8) is characterized in that it comprises a carbon fiber sheet or a tensile metal material.

In addition, the adhesive is characterized in that it comprises an epoxy and mortar and old and new concrete adhesive.

In addition, in the case where the stone slabs 4 which are successively installed adjacent to each other on the upper surface of the joist 3 are one-ply, the anchor installation grooves 42 are drilled at predetermined intervals on the bottom of each stone slab 4, respectively. In the anchor installation groove 42 of the stone plate fixing means (6) to be fixed anchor bolt 61 is installed, the stone plate (4) installed in one layer is provided on one side of the upper surface of the joist (3) It is characterized in that it is to be fixed using the embedded anchor bolt 61 and the nut (9b) fastened to the stone slab fixed piece (31).

In addition, in the case where the stone slabs 4 which are successively installed adjacent to each other on the upper surface of the joist 3 are stacked in two or more layers, in the vertical direction in all the stone slabs 4 except the stone slabs 4 exposed to the outside. Drill a plurality of bolt through holes 43 at predetermined intervals, and around the bolt through holes 43 on the upper surface of the stone slabs located at the top of the stone slabs 4 where the bolt through holes 43 are perforated. External exposure with a tension reinforcing material (8) attached to the bottom surface of the bolt head engaging groove (44), and the T-bolt 62 is inserted into the stone slag (4) to penetrate the bolt through hole (43) The stone slabs (4), which are attached to the upper surface of the uppermost stone slabs and are installed integrally with two or more layers, are attached to the stone slab fixing pieces (31) provided at one side of the upper surface of the joist (3). (62) characterized in that it can be fixed installation using the nut (9b) fastened thereto It shall be.

At this time, when attaching the stone flagstone 4 in two or more layers in multiple layers, each stone plate 4 thickness and material is characterized in that it comprises the same or different thickness and material.

In addition, the reinforcement stone deck for the bridge is characterized in that it is installed in the bridge and the Indian deck, Indian suspension bridge and cable-stayed bridge for India.

At this time, the reinforcement stone deck for guiding bridge is supported by the alternating 10a of both eyes in the case of guiding bridge, and is supported by several pillars (10b) installed in the ground at a predetermined interval in the case of the Indian deck rod, The suspension suspension bridge and the cable-stayed bridge for delivery are characterized in that they are installed to be supported by the cable (10c).

Where reference numeral 11 is a finishing flag and 12 is a railing column.

Referring to the effect of the present invention in the reinforcement stone deck for bridge construction in the present invention as follows.

First, the present invention, as shown in Figures 2 to 4, several longitudinal beams (1), transverse beams (2), joists (3), stone slabs (4), rubber plates for shock absorption (5) And in the known stone bridge reinforcement stone deck consisting of stone slab fixing means (6), the upper surface of the stone slab (4) to form the uneven portion 41 through the dodlock trim to improve the coefficient of friction, the stone The bottom surface of the flagstone (4) is a main technical component that is attached to the tensile reinforcing material (8) by using an adhesive to strengthen the impact resistance against external impact.

At this time, the longitudinal beams (1) of the reinforcement stone deck for the known bridges are installed at a predetermined interval in the longitudinal direction with a steel structure, such as "H" beam, as shown in Figure 2 for the reinforcement stone deck for bridges It performs the function of a main yoke that concentrates the overall load, and several transverse beams 2 are similar to the longitudinal beams 1 described above. Both ends are fixedly installed through several bolts (9a) and nuts (9b) between the) to perform the function of interconnecting the longitudinal beams (1) in the shape of a grid, while at the same time a part of the reinforcement stone deck for bridges It functions as a sub yoke that accepts loads.

In addition, the joists (3) is a steel structure such as a square tube or "c" shaped steel and the like has a number of stone plate fixing piece 31 having a shape like "a" shaped steel on one side of the upper surface and the longitudinal beam On the upper surface of the (1) and the transverse beam (2) is fixedly installed by welding at a predetermined interval in the same direction as the direction of the longitudinal beam (1), the stone slabs (4) are the upper surface of the joist (3) Are installed next to each other adjacent to each other.

At this time, the longitudinal beam (1) and the joist (3) may be molded to maintain the horizontal, but if necessary bent to be arched to form a reinforcement stone deck for the bridge itself may have the shape of an arch bridge beautiful in appearance. .

On the other hand, the above-mentioned several stone flagstone (4) is formed by cutting the granite or the like to have a predetermined width, length and thickness sufficient in consideration of the fact that the present invention itself is a walkway reinforcement stone deck for many people, which will be described later Using several stone plate fixing means (6) to be adjacent to each other on the upper surface of the joist (3) to be installed next to perform the bottom plate function of the reinforcement stone deck for bridges.

In addition, the impact-absorbing rubber plate (5) is molded into a relatively thick rubber plate having a very good elastic force and fixedly fixed to the upper surface of the joist (3) in contact with the bottom surface of the stone slag (4) by an adhesive or the like therebetween. In this case, the shock absorbing rubber plate 5 may perform a function of mitigating most of the impact force generated by the adhesive, etc. on the entire upper surface of the joist 3 including the stone slab fixing piece 31 as described above. In addition to the fixed installation method, it may be directly bonded to the bottom surface of the stone slag (4).

In addition, the stone slab fixing means (6) serves to maintain the stone slab 4 itself is fixed to the upper surface of the joist (3) with the rubber plate (5) for shock absorption therebetween, at this time As described below, the shape of the stone plate fixing means 6 is installed in various forms corresponding to the installation state of the stone plate 4 (that is, the number of layers of stone plates).

On the other hand, the present invention forms a concave-convex portion (41) through the dodlock trim on the top surface of the stone flagstone (4) which is installed on the top of the components of the reinforcement stone deck for bridges having such a configuration, the stone is passed by people In addition to improving the friction coefficient of the upper surface of the deck as well as attaching the tensile reinforcing material (8) such as carbon fiber sheet or tensile metal material to the bottom of the stone flagstone (4) using an adhesive such as epoxy and mortar and old concrete adhesive It is to make the basic major technical components that can greatly strengthen the impact resistance of the stone flagstone (4) against the impact from the outside by installing.

In addition, the reinforcement stone deck for the bridge to which the present invention is applied may be selectively installed in any one of the footbridge, the deck deck for India, the suspension bridge for India and the cable-stayed bridge for India, which have different purposes. Footbridges, deck decks, suspension bridges, and cable-stayed bridges for bridges may differ from each other in the loads and impact forces applied to the reinforcement stone decks for bridges installed on the decks of the bridges.

Therefore, in the present invention, while installing another stone plate 4 attached to the upper surface of the stone plate 4 in two or more layers, the impact resistance against external impact even between the adhesive surface of each stone plate 4 In order to reinforce the structure, by using an adhesive including epoxy, mortar and old and new concrete adhesives, a tensile reinforcing material such as a carbon fiber sheet or a tensile metal material is attached and installed. The stone flagstone 4 may be provided in one layer or two or more layers in response to the load or impact force applied to the reinforcement stone deck for the guiding bridge to be installed on the deck of the cable-stayed bridge.

In addition, in the present invention, when the stone flagstone (4) installed on the reinforcement stone deck for the bridge bridge as described above and when more than one layer of two or more overlap, the above used to fix these stone flagstones to the joist (3), respectively The structure of the stone plate fixing means 6 is different from each other to ensure the fixing function of the stone plate, while the beauty of the appearance of the stone plate 4 due to the stone plate fixing means 6 is not impaired.

3 and 4 are cross-sectional views showing an installation example of the stone flagstone fixing means 6 in the case where the stone flagstones 4 which are successively installed adjacent to each other on the upper surface of the joist 3 are one layer, and each stone flagstone (4) The bottom surface of the anchor installation grooves 42 are drilled at predetermined intervals, and each anchor installation groove 42 is fixed to the buried anchor bolt 61 by the stone plate fixing means 6, and installs one layer. The lower end of the buried anchor bolt 61 installed in the stone plate stone (4) buried in the stone plate fixing piece 31 provided on one side of the upper surface of the joist (3) to be installed as Then, the nut 9b is fastened to the lower end of the buried anchor bolt 61 so as to maintain the single-layered stone plate 4 integrally fixed to the upper surface of the joist 3. .

In addition, (a) (b) of Figure 5 is another of the stone plate fixing means (6) for the case where the stone flagstone (4) which is installed adjacent to each other adjacent to the upper surface of the joist (3) is more than two layers As a sectional view showing an installation example, several bolt through holes 43 are drilled at regular intervals in a vertical direction with respect to all the stone slabs 4 except the outer stone slabs 4 exposed to the outside from the top of the deck. In the upper surface of the stone slab (4) in which the bolt through hole (43) is drilled, a T bolt head locking groove (44) is formed around the bolt through hole (43), and the bolt through hole is formed. In the state where the T-bolt 62 is inserted into the stone flagstone 4 so as to penetrate 43, the externally exposed stone plate having the tension reinforcing material 8 attached to the bottom is integrally attached to the top surface of the stone flagstone. , On one side of the upper surface of the joist (3) The lower end of the T bolt 62 is coupled to the stone slab fixing piece 31 provided therethrough, and then the nut 9b is fastened to the lower end of the T bolt 62. The stone flagstone 4 having the state of being integrally attached is to maintain the state fixed integrally on the upper surface of the joist (3).

In this case, when attaching the stone flagstone 4 in two or more layers in multiple layers, the thickness and material of each stone flagstone 4 may be the same, or may be installed to have different thicknesses and materials as necessary. .

On the other hand, when installing the reinforcement stone deck for pedestrian bridge in the footbridge, as shown in Figure 1, the bottom end of the reinforcement stone deck for pedestrian bridge may be supported by the alternating 10a of both eyes, and when installed on the sidewalk rod rod It may be installed so as to be supported by several pillars 10b installed on the ground at predetermined intervals as shown in (a) (b) of FIG. It is good to install so that it is supported by).

It should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

1: longitudinal beam
2: transverse beam
3: Jang 31: Stone slab fixed piece
4: Stone Flagstone
41: uneven portion 42: anchor installation groove
43: bolt through hole 44: T bolt head locking groove
5: rubber plate for shock absorption
6: stone plate fixing means
61: buried anchor bolt 62: T bolt
8: tensile reinforcement
9a: Bolt 9b: Nut
10a: shift 10b: column
10c: cable
11: finishing flag 12: handrail

Claims (9)

Several longitudinal beams installed at regular intervals in the longitudinal direction; Several transverse beams each of which is fixed at both ends through several bolts and nuts between adjacent longitudinal beams; A plurality of joists which have several stone plate fixing pieces on one side of the upper surface and are fixed by welding at predetermined intervals in the same direction as the direction of the longitudinal beams on the upper surfaces of the longitudinal beams and the transverse beams; Several stone slabs that are successively installed adjacent to each other on an upper surface of the joist; A plurality of shock absorbing rubber plates attached to an upper surface of a joist in contact with the bottom surface of the stone slab to mitigate the impact force generated therebetween; In the reinforcement stone deck for bridge construction comprising: a stone slab fixing means for maintaining the stone plate itself is fixed to the upper surface of the joist with a rubber plate for shock absorption therebetween,
The upper surface of the stone slag is formed by the irregularities through the dodlock trim to improve the coefficient of friction, the bottom of the stone slab is attached to the tension reinforcement using an adhesive to strengthen the impact resistance against external impact,
Install two or more layers of stone slabs on the upper surface of the stone slabs in multiple layers, and attach and install a tensile reinforcement using an adhesive to strengthen the impact resistance against external impacts between the adhesive faces of the stone slabs,
When the stone flagstone is two or more layers,
Perforate several bolt through holes at regular intervals in the vertical direction in all stone tablets except the stone tablets exposed to the outside, and around the bolt through holes on the upper surface of the stone tablets located at the top of the stone tablets where the bolt through holes are perforated. The T-bolt head locking groove is formed, and the external exposed stone slab with the tension reinforcement attached to the bottom of the stone slab is installed integrally on the upper surface of the top stone slab while the T bolt is inserted into the stone slab so as to pass through the bolt through hole. Reinforcement stone deck for pedestrian bridge, characterized in that the stone plate installed in two or more layers can be fixed to the stone plate fixing piece provided on one side of the upper surface of the joist using a T-bolt and nuts fastened thereto .
delete delete delete delete delete The method according to claim 1,
When attaching two or more layers of the stone flagstone,
Reinforcement stone deck for footbridges, characterized in that each stone plate thickness and material comprises the same or different thickness and material.






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