KR20090118682A - The floating bridge units - Google Patents

Abstract

PURPOSE: A prefabricated pontoon bridge unit is provided to make installation process of the pontoon bridge easy by manufacturing unites with fixed length on the ground in advance. CONSTITUTION: A prefabricated pontoon bridge unit comprises an upper plate(110), a bridge railing(130), a floating body(150), an upper plate connecting bracket(160) and a connecting unit. The upper plate is supported with a main frame(120), a sub frame(122) and a strut(124). The bridge railing is installed in the longitudinal direction along both sides of the upper plate. The floating body is mounted on the lower part of the upper plate and keeps the upper plate on the water. The upper plate connecting bracket is mounted on the main frame and the sub frame and has a mounting plate and a key groove. The connecting unit connects the upper plate connecting brackets.

Description

Prefabricated Bridge Units {The floating bridge units}

The present invention relates to a prefabricated pontoon unit, and more specifically, to a certain size on the ground in the process of installing the pontoon to float on the surface of the river, reservoirs, lakes, etc. so that people can observe the scenery around the traffic. The present invention relates to a prefabricated pontoon bridge unit that can be easily connected and installed after the unit is manufactured in advance.

In recent years, with the development of the landscape industry, the importance of environmental protection has been dealt with more than ever, and rivers, reservoirs, lakes, etc., can be used to observe the surrounding environment while allowing people to observe the surrounding environment while reducing the damage to nature. The installation of water facilities is increasing.

On the other hand, with the development of tourism and leisure industry, new forms of leisure culture that can be enjoyed in the water are continually emerging, especially in the construction of new towns, it is necessary to build large-scale artificial landscaping facilities such as ecological parks and artificial lakes. It is becoming common.

The pontoon bridge is one of the more diversified landscaping facilities as described above, and the recent pontoon bridge is not only installed for the purpose of communicating with people or objects but also provides more diverse scenery by combining with the surrounding landscape. It is also being installed for the purpose of observing the ecosystem around the bridge.

However, in most cases, as the props for supporting the decks of the pontoons are installed in the way under the ground, the process of installing the pontoons is made very difficult and the depth of the place where the pontoons are installed. There was a problem such that the height of the pontoon could not be easily adjusted according to the change. That is, as the entire length of the pontoon bridge was made up of one structure, the installation process was not only difficult but also did not respond appropriately to changes in depth.

On the other hand, as described above, in the process of putting a pile in order to erect the prop in the ground under the water there was a problem that can only have a bad effect on underwater flora and fauna.

Therefore, the present invention was devised to solve all the problems of the prior art as described above, after the pre-fabricated unit of a bridge having a certain length in advance on the ground after the pre-fabricated unit is installed in accordance with the length of the bridge is installed in the water It is an object of the present invention to provide a prefabricated girder unit that allows the girder to be installed relatively easily.

In addition, another object of the present invention is to provide a prefabricated girder unit that can minimize the impact on the flora and fauna underwater in the installation process.

In addition, another object of the present invention is to provide a prefabricated girder unit that allows the facilities installed in the water can flow naturally according to the change in the height of the water surface.

In addition, another object of the present invention is to provide a prefabricated bridge unit to prevent the top plate from overturning due to the imbalance of the load applied to the top plate installed in the water phase.

The present invention configured to achieve the above object is as follows. That is, the prefabricated pontoon unit according to the present invention has a certain length and a predetermined width in the pontoon installed in the water to enable the passage of people, by the main frame in the longitudinal direction and the subframe in the width direction assembled in the lower portion A top plate which is supported but arranged in parallel with a plurality of lumbers processed to the same size; Bridge railings are installed on both sides of the upper plate to a certain height; A plurality of upper plate is installed on both sides of the lower portion of the upper plate along the main frame so as to float on the water surface, each of which is a floating material having a predetermined length in a cylindrical or cylindrical shape; A top plate connecting bracket having a key groove protruding from the top and front portions of the mounting plate on the outer surface of the mounting plate respectively fixed to the main frame or the sub frame positioned at the front and rear ends of the top plate; And it comprises a connecting means for connecting between the connection brackets respectively positioned at a predetermined interval in the front and rear of the upper plate arranged side by side forming a unit.

On the other hand, in the prefabricated girder unit according to the present invention, the connecting means is disposed between the plate-shaped key plate and a pair of key plate formed in a pair so that the keys positioned at a predetermined distance on the front and rear sides, respectively, into the groove, Both front and rear ends each consist of a spring on the coil fixed to the corresponding key plate.

In addition, the spring of the connecting means in the prefabricated bridge unit according to the present invention is made of a compression spring, the front end and the rear end may be fixedly installed as a U-shaped bolt that is fastened at predetermined angle intervals on the key plate in the corresponding direction, respectively.

In addition, on the inner surface of the mounting plate of the bracket for connecting the top plate in the prefabricated girder unit according to the present invention, the sub-mounting plate for fixed mounting with bolts on both sides of the main frame installed in the longitudinal direction may protrude to a predetermined length. .

And in the prefabricated girder bridge according to the present invention, the railing railing is a railing rail that is fixedly installed in the longitudinal direction of the upper plate by connecting the railing struts and railing struts fixedly installed vertically at both sides of the upper plate at a predetermined height. Consisting of, but a predetermined position between the plurality of handrail struts are formed in the interior of an empty pipe-shaped lighting installation while the lighting installation hole may be formed through one side of the lighting installation.

In addition, in the prefabricated girder unit according to the present invention, a stay of a predetermined length is installed downward in the lower part of the upper plate, and a weight body for maintaining a balance so as not to be inverted during the flow of the upper plate may be further installed at the lower end of the stay.

In addition, the shock absorbing member may be further configured on both sides of the top plate so that external impact applied from the side of the top plate is absorbed in the prefabricated girder unit according to the present invention.

In addition, the lower portion of the handrail strut in the prefabricated girder unit according to the present invention is further extended by a predetermined length to the lower side of the upper plate, but the bottom is made of a plurality of squares having a certain width on the outer surface of the handrail extending to the bottom A blind plate may be installed.

In addition, in the prefabricated girder unit according to the present invention, each floating unit has two outer main frames positioned on the left and right sides of the plurality of main frames installed at regular intervals, and two inner main frames immediately adjacent to each outer main frame. It is installed in the space between the jaw, each of the floating body can be fixed and attached to the outer and inner frame as a fastening member on the belt in the state that the outer periphery is in contact with the outer and inner frame.

According to the present invention, after the pontoon bridge is installed on the surface of a reservoir, a lake, a river, etc., people can observe the surroundings while making a number of units having a certain length on the ground, and then the pontoon bridge is made according to the entire length of the pontoon bridge. As it can be assembled and installed, there is a great advantage that the installation process of the pontoon bridge can be made especially easily in the water.

In addition, the prefabricated pontoon bridge unit according to the present invention has a great effect to reduce the damage to aquatic flora and fauna that can occur during the installation process of the pontoon because only the installation process is made in the water after most of the manufacturing process is made on the ground. .

On the other hand, the prefabricated pontoon bridge unit according to the present invention has the effect that the height change according to the change of the water surface can be made more naturally because a plurality of units are assembled at a constant interval.

Hereinafter, with reference to the accompanying drawings, preferred embodiments according to the configuration and installation state of the prefabricated girder unit according to the present invention will be described.

1 is a perspective view of a prefabricated pontoon unit according to the present invention, Figure 2 is a plan view of the prefabricated pontoon unit according to the invention, Figure 3 is a side view of the prefabricated pontoon unit according to the present invention, Figure 4 is according to the present invention Front view of the prefabricated pontoon unit, Figure 5 is a view showing a state in which the prefabricated pontoon unit according to the present invention is installed.

On the other hand, Figure 6a is a front perspective view of the top plate connection bracket according to the invention, Figure 6b is a rear perspective view of the top plate connection bracket according to the invention, Figure 6c is a perspective view of the top plate connection bracket according to another embodiment, Figure 7 Figure is a view for explaining the structure of the top plate connecting means according to the present invention.

1 to 4, the prefabricated pontoon unit 100 according to the present invention is manufactured on the ground as a unit having a predetermined length and a predetermined width, and then in accordance with the entire length of the pontoon in the process of installing the pontoon on the water surface A plurality of prefabricated bridge unit 100 is to be installed. To this end, the front and rear of each of the prefabricated girder unit 100 manufactured in a predetermined unit is provided with a connecting means for connecting between the neighboring prefabricated girder units 100.

Prefabricated girder unit 100 composed of a predetermined unit according to the present invention, along with both sides of the top plate 110 and the top plate having a predetermined length and a predetermined width so that the passage of people and objects is allowed as in the conventional pedestrian bridge It is configured to include a bridge railing 130 long lined in the longitudinal direction. In addition, as a means for performing a function as an girder, a lower body 150 is installed on the lower side of the upper plate 110 so that the upper plate 110 can be kept in a floating state.

First, the upper plate 110 includes a plurality of main frames 120 arranged in a longitudinal direction at regular intervals, a plurality of subframes 122 fixedly installed in a width direction at regular intervals on top of the main frames 120, and It is supported by a plurality of support necks 124 fixed in the longitudinal direction at regular intervals on the upper portion of the sub-frames (122). That is, the top plate 110 is fixed to a plurality of supporters 124 arranged in the longitudinal direction at a fixed interval immediately below the base, the support 124 is a plurality of long arranged in the width direction at regular intervals below It is fixed to the sub-frame 122 of the, the sub-frames 122 are fixed to the plurality of main frame 120 arranged in the longitudinal direction at regular intervals below it. The main frame 120, the sub-frame 122 and the support 124 may be made of wood, metal, synthetic resin, etc. as in the case of the general construction and civil engineering materials, bolts, nails in the parts that each member is in contact with each other The coupling is made by means of assembly, including the back. On the other hand, the top plate 110 is a plurality of cutting materials 112 cut to the same size is arranged in a fixed order and installed, in the same manner as in the process of building a conventional water bridge, etc. in the upper part of the support neck 124 It is fixedly installed.

On the other hand, the leg rail 130 is installed side by side in the longitudinal direction on both sides of the upper plate 110, the leg rail 130 is the people passing through the upper plate 110 as in the usual case the upper plate 110 This is to prevent falling out of the water. The bridge railing 130 is configured to this end is a long interval in the longitudinal direction of the upper plate by connecting a certain height of a plurality of handrail struts 132 and handrail struts 132 built on both sides of the top plate 110 at regular intervals It comprises a railing rail 134 is installed. That is, in a state in which the long railing rails 134 in the longitudinal direction are positioned on the plurality of railing struts 132 installed at a predetermined interval, both members are coupled to each other as coupling means such as bolts and nails. Is configured to remain.

In addition, it is preferable that the hand rail 136 is installed at the upper portion of the leg rail 130 so as to pick up a hand during the passage of people.

In particular, in the prefabricated girder bridge unit 100 according to the present invention in the process of installing a plurality of handrail struts 132 at regular intervals in place of the handrail struts 132 in the form of an empty pipe-shaped lighting installation ( 138 may be installed. The lighting mounting stand 138 may be made in the form of a square pipe in accordance with the shape of the handrail struts 132 as in the drawings for explaining an embodiment of the present invention, within the usual changeable range such as a cylinder or a cylindrical shape As many changes can be made as possible. And one side of the lighting installation stand 138 is formed with a light installation hole (138a) to be installed in the facility, such as a light bulb.

In addition, the bridge railing 130 according to an embodiment of the present invention is preferably made of wood, as in the case of each member constituting the top plate 110 when considering the environmentally friendly aspects.

And handrail strut 132 is made of a length having a section downward to the lower side of the top plate 110 in addition to the section exposed to the top of the top plate 110 during installation, the handrail strut 132 is located below the top plate 110 The lower outer side of the lower blind plate 140 is installed as shown in FIG. The lower shielding plate 140 has a structure in which a plurality of finishing materials having a predetermined width as shown in the drawing are fixed to the lower portion of the handrail prop 132.

In order to maintain the prefabricated girder unit 100 installed in the water to be injured in water, the floating body 150 is fixed to the lower portion of the top plate 110 to a certain size, such as styrofoam material having a smaller specific gravity than water. Molded. That is, a plurality of floating bodies 150 are mounted at the lower portion of the upper plate 110 constituting one prefabricated bridge unit 100. Each body 150 is preferably formed in a solid cylindrical shape or a hollow cylindrical shape in terms of inducing a smooth operation with the water surface.

At this time, the floating body 150 is fixed to tie the fastening member 152 on the belt to the main frame 120 located on the lower side of the upper plate 110, forming a pair of two to be mounted in a more stable state The floating body 150 is positioned between the outer main frame 120a and the inner main frame 120b. That is, as shown in FIG. 4, a plurality of main frames 120 are installed at a lower portion of the upper plate 110 at regular intervals. In particular, the outer main frames 120a and the respective outer mains are respectively positioned on both left and right sides. The floating body 150 is installed between the inner main frame 120b located just inside the frame 120a. In the case of the drawings for describing an exemplary embodiment of the present invention, two main frames 120 are installed on one side with respect to the center of the upper plate 110, and two main frames 120 on the other side are installed. As described above, the outer circumference of the floating body 150 may be in contact with each main frame 120 in the process of installing the cylindrical floating body 150 on the two main frames 120a and 120b. In a state of being in contact with the belt-shaped fastening member 152 is tied, the floating body 150 is attached to the lower portion of the upper plate.

On the other hand, the floating body 150 is made of a material such as styrofoam having a buoyancy enough to float the facilities such as the top plate 110 and the bridge railing 130 is located on the top of the FRP on the outer surface It may be covered with a wrapping sheet made of a material such as a finish.

As described above, the top plate 110, the bridge railing 130, the floating body 150, etc., the front end of the prefabricated girder unit 100 in order to be connected to each other in the process of installing the whole girder, the unit of the appropriate assembly The upper frame connecting brackets 160 are mounted on the main frame 120 or the sub frame 122 positioned at the rear end, respectively. At this time, the bracket for connecting the upper plate 160 is preferably formed of a metal material in consideration of the specifications of the prefabricated girder unit (100).

The upper plate connection bracket 160 has a plate-shaped mounting plate 162 and a mounting plate 162 having a predetermined area to be in contact with the main frame 120 or the sub-frame 122 as shown in FIGS. 6A and 6B. Protruding on the outer surface to be a front surface of the) is configured to include a key groove 164, the upper portion and a portion of the front opening is formed. In addition, the sub-mounting plate 166 protrudes from both sides of the main frame 120 installed in the longitudinal direction on the inner surface that is the rear surface of the mounting plate 162 so that the sub-mounting plate 166 may be fixedly mounted by fastening means such as pins and bolts. Can be formed. The sub-mounting plate 166 is integrally formed with the mounting plate 162 to allow the upper plate connection bracket 160 to be more firmly mounted, and to reinforce the rigidity of the mounting plate 162.

In particular, when the upper plate connecting bracket 160 is made of an iron plate, the reinforcing rib 166b may be additionally installed in the process of welding the sub-mounting plate 166 to the mounting plate 162 to be integrated. In addition, mounting holes 162a and 166a may be formed in each of the mounting plate 162 and the sub-mounting plate 166 through which fastening means such as pins or bolts may be inserted when the upper plate connecting bracket 160 is mounted. .

On the other hand, the key groove 164 protruding from the front of the mounting plate 162 is a mounting plate 162 in a state in which the pair of the '-shaped steel 164a having a'-'shape so as to be in a' ┏ ┓ 'shape with each other. While being welded and integrated), the opened lower part may be made of a structure closed by a lower support plate 164b which is a separate iron plate member. That is, one side of the connecting means 170 is inserted through the open upper portion of the key groove 164, but may be configured so that one side of the inserted connecting means 170 is not removed through the open front space.

In addition, the upper plate connecting bracket 160 may be formed in a shape in which a wing 168 is attached to either side of the mounting plate 162 as shown in FIG. 6C. This may be more advantageous in terms of setting the position where the fastening means such as bolts are fastened in the process of mounting the upper plate connecting bracket 160 to the front or rear of the prefabricated girder unit 100.

And connecting means for connecting the plurality of prefabricated girder unit 100 is located between the prefabricated girder unit 100 in the front and the top plate connecting bracket 160 fixedly mounted to the assembled girder unit 100 in the rear ( 170 is configured as shown in FIG. 7. In the connecting means 170 according to an embodiment of the present invention, a pair of key plates 172 having an area that can be fitted into the key groove 164 described above are positioned at the front and the rear at a predetermined interval, respectively. At intervals between which the key plates 172 face each other, a spring 174 on the coil is disposed.

At this time, both ends of the spring 174 is fixedly installed as a U-shaped bolt 176 bent in a substantially 'U' shape on the key plate 172 in the corresponding direction. To this end, two sets of bolt holes through which the two ends of the U-shaped bolts 176 can be fitted are formed on the key plate 172, and one end of the spring 174 formed on the coil is more stably fixed. It is desirable to be formed at the three-point position so that it can be mounted.

Prefabricated pontoon unit 100 arranged in front and rear with the connecting means 170 configured as described above are connected to each other, the key plate 172 of the connecting means 170 through the open upper portion of the key groove 164 Each is fitted. Since the compression spring 174 on the coil is interposed between the prefabricated pontoon units 100 located in the front and the rear in this way, the shock is transmitted from one prefabricated pontoon unit 100 to the other pontoon unit 100. Not only can it be buffered, but it can also prepare for relaxation and expansion due to climate change.

On the other hand, the weight body 180 to be in a stable state not to overturn in the process of shaking the top plate in accordance with the flow of the water at a position spaced apart from the bottom of the top plate 110 of the prefabricated bridge unit 100 according to the present invention. It may be installed as shown in 8a and 8b. The weight body 180 is supported by the stay 182 installed downward from the lower portion of the upper plate 110 by a predetermined length.

In addition, both sides of the upper plate 110 may be provided with a shock absorbing member 190, as shown in Figures 9a and 9b for absorbing the shock transmitted from the surrounding facilities during the flow of the water surface due to climate change. Can be.

Prefabricated girder bridge unit 100 as a unit configured as described above is manufactured in the ground, and in the process of constructing the girder as shown in Figure 5 are arranged in parallel in the longitudinal direction of the plurality. At this time, the unit of the prefabricated girder unit 100 made on the ground may be moved to the installation point by mobilizing equipment such as a crane or a traction ship in the process of being installed in the water.

On the other hand, the upper plate connecting brackets 160 mounted on the front and rear of each of the prefabricated girder unit 100 floated in the installation process of the girder are connected by the connecting means 170. Thus, when the two or more prefabricated girder unit 100 is installed in the front and rear as the connecting means 170, the safety between the top plate 110 and the top plate 110 or the handrail 130 and the handrail 130 located in the front and rear Separate safety facilities may be installed to prevent accidents.

Prefabricated pontoon unit 100 of the unit configured as described above may be applied to install a bridge connecting both sides of the reservoir, lake, river, etc., the dock for waiting for a small vessel such as a motor boat ( pier) can also be used to install structures.

As described above, the prefabricated girder bridge unit 100 according to the present invention is pre-fabricated on the ground and installed through a relatively simple assembly work in the water phase, so unlike in the case of the prior art, in the reservoir, lake, river, etc. to which the pontoon bridge will be installed. Work processes can be minimized. Therefore, in the conventional case, it is possible to reduce the environmental damage that had to occur in the installation process of the pontoon bridge as well as to reduce the impact on the vegetation of aquatic plants and animals.

In addition, the prefabricated girder unit 100 according to the present invention is not only in the state in which the top plate 110 is floated on the water surface by the floating body 150, but also consists of a unit of a certain length, the height change in response to the change in the water surface Can be achieved naturally.

In addition, when the weight body 180 is further installed in the lower portion of the upper plate 110, even if the surface of the water 110 suddenly changes or severe wind blows due to climate change, etc., the upper plate 110 by the weight body 180 located in the water Overturning or severe shaking may be prevented.

Prefabricated girder unit according to the present invention is not limited to the embodiment described above can be carried out in a variety of modifications within the scope allowed by the technical idea of the present invention.

1 is a perspective view of a prefabricated pier unit according to the present invention.

Figure 2 is a plan view of the prefabricated pontoon bridge unit according to the present invention.

Figure 3 is a side view of the prefabricated pontoon unit according to the present invention.

4 is a front view of the prefabricated pier unit according to the present invention.

5 is a view showing a state in which the prefabricated girder unit is installed in accordance with the present invention.

Figure 6a is a front perspective view of the bracket for connecting the top plate according to the present invention.

Figure 6b is a rear perspective view of the bracket for connecting the top plate according to the present invention.

Figure 6c is a perspective view of the bracket for connecting the top plate according to another embodiment.

7 is a view for explaining the structure of the top plate connecting means according to the present invention.

8A and 8B are views ZZZ in a state in which a weight is placed in the prefabricated pier unit according to the present invention.

9a and 9b is a view of a state in which a buffer member is installed in the prefabricated girder unit according to the present invention.

[Explanation of symbols on the main parts of the drawings]

100. Prefabricated Floating Unit 110.

120. Main Frame 122. Subframe

124. Supporters 130. Bridge Railings

134. Railing Rails 138. Lighting Mounts

138a. Lighting installer 140. Lower panel

150. Floating body 152. Fastening member

160. Mounting bracket for the top plate 162. Mounting plate

164. Key Grooves 166. Submounting Plate

170. Connection means 172. Key plate

174. Spring 176. U-bolt

180. Weight 190. Shock absorbing member

Claims (9)

In the pontoon bridge which a traffic of person is installed in the water surface, A top plate having a predetermined length and a predetermined width and supported by a main frame in a longitudinal direction and a subframe in a width direction assembled thereon, and having a plurality of angle members arranged side by side and arranged in parallel; Bridge railings are installed on both sides of the top plate to a certain height; A plurality of floats installed on both sides of the lower portion of the upper plate along the main frame so that the upper plate floats on the surface, each of which is formed of a floating material having a predetermined length in a cylindrical or cylindrical shape; A top plate connecting bracket on which a key groove of an upper part and a front part is opened on an outer surface of a mounting plate fixed to a main frame or a sub frame positioned at front and rear ends of the upper plate, respectively; And Prefabricated bridge unit characterized in that it comprises a connecting means for connecting between the connecting brackets respectively positioned at a predetermined interval in the front and rear of the top plate arranged side by side unit. The method of claim 1, wherein the connecting means is disposed between the plate-shaped key plate and the pair of key plate formed in a pair so that the keys positioned at a predetermined distance on the front and rear sides, respectively, into the groove, the front and rear both ends Prefabricated bridge unit is characterized in that each made of a spring on the coil is fixed to the key plate. The method of claim 2, wherein the spring is made of a compression spring, the front end and the rear end of the prefabricated girder unit, characterized in that fixedly installed with a U-shaped bolt that is fastened at predetermined angle intervals on the key plate in the corresponding direction, respectively. According to claim 1, Prefabricated pontoons characterized in that the sub-mounting plate protruding to a predetermined length on the inner surface of the mounting plate of the upper plate connecting bracket for fixing by bolts on both sides of the main frame installed in the longitudinal direction unit. The bridge rail according to any one of claims 1 to 4, wherein the bridge railings are connected in lengthwise direction by connecting the railing pillars and the railing pillars fixedly installed at a predetermined height on both sides of the upper plate at a predetermined height. It is made of a long railing rail that is fixedly installed, the predetermined position between the plurality of rail holding struts are formed in the form of an empty pipe in the interior of the light installation, characterized in that the light installation hole is formed through one side of the lighting installation Prefabricated pontoon unit. According to claim 5, wherein the lower portion of the handrail is further extended by a predetermined length to the lower side of the upper plate, but the lower screen plate is formed on the outer surface of the handrail extending to the bottom is attached a plurality of squares having a certain width Prefabricated pontoon unit characterized in that. 6. The prefabricated girder bridge according to claim 5, wherein a stay of a predetermined length is installed downward in the lower portion of the upper plate, and a weight body is installed at the lower end of the stay so as to maintain a balance so as not to be inverted during the flow of the upper plate. The method of claim 5, Prefabricated bridge unit characterized in that the shock absorbing member is further configured on both sides of the top plate to absorb the external impact applied to the side of the top plate. The apparatus of claim 5, wherein each of the floating bodies includes two outer main frames positioned at left and right outer sides of a plurality of main frames at regular intervals, and two inner main frames immediately adjacent to each outer main frame. Prefabricated bridge unit is installed in the space, each floating body is fixed to the outer and inner frame by a fastening member on the belt in the state that the outer periphery is in contact with the outer and inner frame.

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