KR101137630B1 - Prefabricated weir for river - Google Patents

Abstract

The present invention relates to a prefabricated river beam, and includes a bottom plate installed to assemble a plurality of bottom plate blocks to cross the river, and a wall installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier. . Therefore, the present invention, since the bottom plate and the wall is composed of prefabricated blocks, shorten the time required for the installation compared to the existing integrated river beams to minimize the damage of the river ecosystem occurring during the construction period, environmentally friendly, alluvial in the river beams This piled up stream can be easily removed or moved again when the function of the river beam is degraded or lost, and waste materials are not generated during demolition, and the prefabricated blocks are connected to each other to form a river beam, thereby being independent of the shape of the river. It can be installed without construction, provides a stable otter artificial habitat that reflects ecological characteristics such as resting and breeding of otters to protect the otters, which are natural monuments, and selectively installs fishes only when the important anadromous fishes move or when necessary ? Removable, faithfully reflects the usage of eels It has the effect that to effectively protect the yaw anadromous fish resources.

Prefab, River Beams, Deck, Deck Block, Wall, Wall Block, Airway, Otter Form Structure

Description

Prefab River Beams {PREFABRICATED WEIR FOR RIVER}

The present invention relates to a prefabricated river beam in which the bottom plate and the wall are made of prefabricated blocks, and the prefabricated habitat of the otter, which is a hydrophilic mammal, as well as the prefabricated esophagus, or the permanent installation of the prefabricated river beam. will be.

In general, rivers are areas where various facilities need to be installed in order to prevent various disasters or utilize water resources.However, river ecosystems are not only a key habitat for natural ecosystems with a high biodiversity, but also eco-friendly management of sound ecosystems. It is also an area where demand is soaring. The habitats of these stream ecosystems have a complex hierarchical structure in which a large number of biological habitat spaces are entangled in certain places, such as the food web of terrestrial ecosystems, and the maintenance and conservation of various habitats is very important for the management and restoration of eco-friendly river ecosystems. It is an important factor. In particular, the region with a good stream ecosystem can be said to be a region where a wide variety of rich habitats are continuous and the movement of individuals is easy.

In the case of small rivers, most of the cross-section hand-made structures installed for the purpose of disaster prevention or utilization of water resources are river beams that are integrally formed by concrete pouring. The installation of these river beams in the stream, which is intended to maintain the water level or to collect agricultural water, will not only limit the movement of aquatic animals, but will also cause long-term damage and deformation of stream habitats, leading to aquatic upstream structures. It causes disturbances or poor stream ecosystems, such as reducing animal diversity. In addition, the continuous accumulation of sediment in the stream will not only cause the loss of rivers, but also lead to deterioration of the water quality, and the variation of habitats such as the diversity or destruction of habitats in the streams. Causes a sharp decrease. Therefore, various techniques which can reduce these are required.

Looking at the river beam equipped with environmentally-friendly elements according to the prior art, the Korean Utility Model Registration No. 0330331, "Underwater Vegetation Drop with Water Purification Function," and the Korean Utility Model Registration No. 0340987, the pneumatic type is easy to form deep water discharge Dongbo, "Korean Utility Model Registration No. 0316423," Federated automatic floodgate provided to naturally form the fish while the polluted water is naturally purified by the structure of the multi-stage discharge system configured to maintain a constant storage level. " In the movable structure, there is a "movable dam" of Republic of Korea Patent Registration No. 0546900 consisting of a square aggregate and an internal waterproof unit.

As described above, the river beam according to the prior art, when the dimensional function of the river beam is lost due to the alluvial can not be easily removed or moved and reinstalled, or the river beam wall, the bottom plate, the esophagus, the otter habitat Each block had a problem in that each block could not be freely configured according to the characteristics of the area where the river walk was needed because it was not in the form of independent blocks.

In addition, the river crossing hand structures of small rivers also act as a limiting factor not only for aquatic animals but also for land animals using rivers. In particular, otters among the inhabitants of the river ecosystem are not only important for the food cycle of the river ecosystem, but also considering the value of the national biological resources as natural monuments, otters can cross river streams and provide habitat for otters. There is a need for river beam technology, but it is not yet developed.

In addition, one of the facilities used as the main means of river maintenance and river management in restoring the ecological function of the river is 'eodo', which is a passage for aquatic life. Fishes most commonly constructed in Korea include cascading fish, ice-harbor fish, vertical slot fish, and walls of fish, but these fishes function in the dry season or in the freezing season. The risk of damage is reduced or lost, and the risk of damage is increased due to continuous exposure. Fishes distributed throughout the country are not anadromous fish and the use of eel, an important anadromous fish resource, is not reflected. Had a problem.

The present invention has been made in order to solve the above problems, even if some of the damage or piles accumulate and lose the function of the river beam, so that the entire structure can be recycled without having to dismantle, install, remove and move to reinstall Make it easy.

In addition, the present invention is to provide the habitat of the otter which is an important hydrophilic mammal of the river to protect the otter that is a natural monument.

In addition, the present invention is to protect the important anadromous fish resources by providing a prefabricated fish can be temporarily temporary only during the movement of anadromous fish such as eel and the like.

Prefabricated river beam according to the present invention, as a prefabricated river beam, the bottom plate is installed so as to cross the river by assembling a plurality of bottom plate blocks, the wall is installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier It includes.

The present invention, unlike the existing integrated concrete river beam, the bottom plate and the wall is composed of prefabricated blocks, so as to reduce the time required for installation compared to the existing integrated river beam to minimize damage to the river ecosystem that occurs during the construction period Eco-friendly, if alluvium accumulates in the stream, and the river beam's function is reduced or lost, it can be easily removed but moved and reinstalled, and no waste materials are generated during demolition. Since the prefabricated blocks are connected to each other to form a river beam, the construction can be performed regardless of the shape of the river.

In addition, the present invention provides an artificial habitat of otters in the river reflecting ecological characteristics such as resting and breeding of otters, and protects otters that are natural monuments by replacing the damaged or destroyed otter habitats when installing river streams. Have the effect of doing so.

In addition, the present invention solves the disadvantage that the conventional fish is not only reduced or lost its function during the dry season or freezing of the river, but also increases the risk of breakage due to continuous exposure, so that important anaerobic fish moves or when necessary It is possible to selectively install and remove fish only to increase its utility and economic efficiency, and to effectively protect important anadromous fish stocks by faithfully reflecting eel's use of fish such as protrusions on the bottom of the fish. Has an effect.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a perspective view showing a prefabricated river beam according to the present invention. As shown, the prefabricated river beam according to the present invention as a river cross-section hand structure, a bottom plate 100 made by assembling a plurality of bottom plate blocks 110, and a wall made by assembling a plurality of wall blocks 210 ( 200).

The bottom plate 100 is installed to cross the rivers by assembling a plurality of bottom plate blocks 110, which may be installed to be orthogonal to the direction in which the river water flows, and may be installed to cross at various angles in the direction in which the river water flows. It can be, by being made by assembling a plurality of bottom plate block 110 can be easily installed in rivers of various shapes or sizes.

As shown in FIG. 2, the bottom plate block 110 may be provided with a junction 111 having a protrusion shape as well as a groove on the top so that the wall block 210 may not be separated from each other. Concave-convex coupling parts 112 and 113 may be provided at both sides to be assembled in line with the plate block 110. Concave-convex coupling parts 112 and 113 may have a variety of structures for the concave-convex coupling including the fitting method, for example, coupling grooves 112 and coupling protrusions 113 formed along upper edges of both sides of the bottom plate block 110. It may be made of. Accordingly, the bottom plate block 110 prevents the wall block 210 from being detached by fitting the wall block 210 to the junction 111, and the other bottom where the coupling groove 112 and the coupling protrusion 113 are adjacent to each other. As shown in FIG. 3 by being coupled to the coupling protrusion 113 and the coupling groove 112 of the plate 110, the bottom plate block 110 is engaged with each other so as not to move independently by being bound to each other and assembled in a row. .

The bottom plate block 110 is a fish rest space 114 that is open to the upper side to provide a place for rest of small fish and the water exit portion 114a of the groove shape is formed to extend downstream to discharge the river water. This may be formed, such a fish resting space 114 may have a small semi-closed pond form as an example.

The wall 200 is installed to assemble a plurality of wall blocks 210 along the bottom plate 100 to function as a water barrier, but may be disposed horizontally with the bottom plate 100, but the bottom plate 100 as in the present embodiment. By applying its own load to the river beam can be placed on the upper side of the bottom plate 100 to be installed stably so as to be perpendicular to the bottom plate 100, at this time, the upstream side from the upper side of the bottom plate 100 It may be assembled to be located at.

As shown in FIG. 4, the wall block 210 is provided with a junction portion 211 at the bottom to be assembled to the junction portion 111 of the bottom plate block 110 to prevent separation from the bottom plate block 110. An inclined surface is formed at one side to smoothly move the land-walking land animal such as an otter, specifically, an otter, and a plurality of stepped parts 212 are provided to be arranged up and down to allow the animal to walk in the center of the inclined surface. The hook groove 215 used for the movement may be provided in plural, and as shown in FIG. 5, the uneven coupling parts 213 and 214 may be provided at both sides to be assembled in line with the other wall block 210. have. The uneven coupling parts 213 and 213 may have various structures that enable uneven coupling including a fitting method. For example, the coupling grooves 213 and the coupling protrusion 214 are formed perpendicular to both sides of the wall block 210. It can be made of). Therefore, the wall block 210 is coupled to each other by being coupled to the coupling protrusion 214 and the coupling groove 213 of the other wall block 210 adjacent to the coupling groove 213 and the coupling protrusion 214, respectively.

The wall 200 may include a drop wall block 220 separately installed between the wall blocks 210 for stable control of the gradient, and the required number of wall blocks 210 according to the construction area. It may be made of a drop hole wall block 220.

The prefabricated river beam according to the present invention may further include an otter-type structure 300 that is installed to inhabit the otter between the wall blocks 210.

As shown in FIG. 6, the otter form structure 300 may include main bodies 310 and 330 which are installed to be detachable from the bottom plate block 110 and provide a space for inhabiting the otter inside. It may further include an inner block 320 installed inside the main body (310,330).

The main body 310 and 330 are formed in the upper and lower vents 311 and the drain 332, respectively, and the entrance 331 is formed on the lower side, the upper block 310 and the lower block 330 to facilitate the production Can be done.

The upper block 310 may have a vent 311 formed thereon for aeration function, and a plurality of hook grooves 312 used for movement may be formed.

The lower block 330 has a plurality of entrances and exits 331 are formed on the inclined surface so that the otter can enter the inside, a plurality of drains 332 for drainage is formed, the junction 111 of the bottom block 110 Bonding portion 334 may be formed at the lower portion to be coupled, and coupling portion 335 corresponding to the inner surface of the upper block 310 may be formed to be coupled by a fitting method to prevent separation from the upper block 310. And, the hook groove 333 used for the movement may be formed.

The inner block 320 is installed in the main bodies 310 and 330 to provide a dry area inside the main bodies 310 and 330, and may include a lower plate 321 and an upper plate 322 stacked on each other.

The otter form structure 300 has a prefabricated structure reflecting the ecological characteristics of the otter as described above, and furthermore, in order to improve the stability of the installation, the protection block 340 located upstream of the body in the main body 310,330 It may further include. The protective block 340 corresponds to the main body 310 and 330, is inserted into the joint part 111 on the bottom plate block 110 together with the joint part 334 of the main body 310 and 330, and the hook groove 341 for movement. This can be formed in plural.

As shown in Figure 7 and 8, the prefabricated river view according to an embodiment of the present invention so that the hypothesis or demolished at the necessary time, such as when the anadromous fish moving on the bottom plate 100 and the wall 200. It may include a detachable fish (400) is installed, the fish 400 is to provide a movement path of the fish, along with the otter structure 300, the bottom plate 100 and the wall 200 Can be assembled or separated to be combined.

The fish 400 is, for example, a plurality of fish blocks 410 arranged in a row to provide a movement path of the fish, the binding block 420 to bind the fish blocks 410 to each other, and the blocks of fish block 410 Located at the bottom may include a support 430 for supporting the block 410, and a binding module 440 for fixing the support 430 to the wall block 210 or the wall block 220 forming the drop hole. In addition, the adobe block 410 may further include a guard 450 which couples the adobe block 410 and the support 430 to each other so as to suppress the departure from the support 430, and is coupled to an end of the support 430. It may further include a safety plate 460 which is installed on the bottom surface of the river, the combination can be hypothesized to be around 1:20 by freely combining the components as needed.

As shown in FIGS. 9 and 10, the adobe block 410 may have a box-type structure in which an upper surface is opened and a front side and a rear side are partially opened, and the protrusion 413 has a bottom groove 412. Bottom plate 411 coupled to the bottom plate or integrally provided on the bottom surface, the outer plate 414 provided perpendicular to both sides of the bottom plate 411, and the front plate and the rear plate of the bottom plate 414 respectively. In addition, it may include an inner plate 415 to be bound to another adobe block 410 by the binding band 420. Protrusion piece 413 may be made of a plurality, having a cross-section of various figures, such as polygons or made of a polyhedron to help the movement of the fish.

The adobe block 410 may have a height of the outer plate 414 at least 2.5 times the height of the small fish, and a width of the outer plate 414 may be formed at 1.5 times the length of the small fish. The height of the outer plate is the small fish height. It can be formed more than 2.5 times of the width, the width can be formed more than 1.5 times the length of small fish, the protrusions 413 reflecting the eels use characteristics of the eels can be formed about twice the height of the eels By moving to one side from the bottom plate 411 is located on the bottom plate 411 of the neighboring other fish block 410 may have a moving plate 416 to smoothly move the small fish, and front and rear Concave-convex coupling portions 417 and 418 may be provided on the inner plate 415 of the inner block 410 so as to be assembled in line with the other adobe blocks 410.

Concave-convex coupling portion (417, 418) may be made of a variety of structures for the concave-convex coupling including the fitting method, for example, may be made of a coupling protrusion 417 and the coupling groove 418 are coupled to each other concave, the coupling projection 417 And the coupling groove 418 are coupled to each of the coupling groove 418 and the coupling protrusion 417 of the neighboring other adobe block 410 to maintain the assembled state in a line.

As shown in FIG. 11, the binding table 420 has a "c" shape in cross section and is fitted to the inner plates 415 of each of the adobe blocks 410, which are in contact with each other, as shown in FIG. 10. Thereby allowing the Adobe blocks 410 to be bound.

As shown in FIG. 12, the support 430 may have a ladder shape consisting of a pair of outer plates 431 and cross bars 432 arranged in a plurality of longitudinal plates between the outer plates 431. , Made of a plurality of fixed size, arranged to be arranged along the longitudinal direction of the adobe block 410, the binding projections 433 and the binding groove 434 at both ends of the outer plate 431 to be assembled in line with the other support 430. ) Are formed to be coupled to the binding grooves 434 and the binding protrusions 433 of the neighboring support 430, respectively, to maintain the assembled state in a row, and the width and the height of the outer plate 431 are at least. It may be formed to have a dimension that can accommodate the block 410.

As shown in FIG. 13, the binding module 440 has, for example, a binding protrusion 441 for binding to the binding groove 434 of the support 430 on one side thereof, and a wall block 210 or the other side thereof. A locking portion 442 is formed by locking the upper end of the wall block 220 formed of a drop hole, and the locking portion 442 is coupled to adjust the length, and the hinge coupling portion 443 to change the bending posture. )

As shown in FIG. 14, the safety plate 450 may have a binding groove 451 to be bound to the binding protrusion 433 of the support 430 by being formed in a plate shape of a wide polygon.

As shown in FIG. 15, the guard 460 has a “c” shape and is fixed to the sides of the adobe block 410 and the support 430 such that the adobe block 410 and the support 430 do not separate from each other. It may be prevented, and may be made of an appropriate number depending on the length or width of the adobe block 410 and the support 430.

Referring to the operation of the prefabricated river beam according to the present invention having such a configuration as follows.

As shown in FIG. 16, the prefabricated river beam according to the embodiment of the present invention is installed by continuously assembling the bottom plate block 110 and the wall block 210 in accordance with the shape of the river. At this time, the fish 400 attached to the free fall wall block 220 may be temporarily installed or permanently installed at a necessary time, for example, when the anadromous fish moves or when the flow rate is rich. The position of 400) is installed on the left or right side of the river beams depending on the shape of the river.

In addition, the otter-type structure 300 may be installed to the main body 310, 330 to the left or right side of the river beam with the protective block 340, if the mountain is connected to install as possible toward the mountain.

As such, the prefabricated river beam according to an embodiment of the present invention, unlike the existing integrated concrete river beam, the bottom plate 100 and the wall 200 is composed of the bottom plate block 110 and the wall block 210 by existing The installation period is much shorter than that of the integrated river beam, so it minimizes the damage of the river ecosystem that occurs during the construction period, and if the river beam's function is degraded or lost due to the alluvial water from the stream sender, it is easily removed or moved and reinstalled. It can restore the function of the beam, by connecting the bottom plate block 110 and the wall block 210 during construction to form a river beam is not bound to the shape of the river, thereby increasing the convenience and economical efficiency, at the time of demolition It is eco-friendly because no waste material is generated and the time interval is short.

In addition, the otter habitat structure 300 has a structure that can be detached from the river beam, by reflecting the ecological characteristics of the otter by replacing the damaged or destroyed otter habitat for the installation of the river beam or by providing a stable otter habitat in the river It is a natural monument and has an excellent effect on the protection of otters.

In addition, since the existing fish is impaired or lost during the dry season or freezing of the river, and the risk of damage is increased by continuous exposure, the fish 400 of the prefabricated river beam according to the present invention is an important anadromous fish It can be selectively installed and removed only at the time of movement or when necessary, its utility and economic efficiency is high, and the protrusion 413 provided on the bottom plate 411 is a structure reflecting the ecological characteristics of the eel, which is distributed throughout the country. Effective protection of such important anadromous fish stocks.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. And will be included in the described technical idea.

1 is a perspective view showing a prefabricated river beam according to the present invention,

Figure 2 is a perspective view showing a bottom plate block of the prefabricated river beam according to the present invention,

3 is a perspective view illustrating an assembly process of the bottom plate block of the prefabricated river beam according to the present invention;

4 is a perspective view showing a wall block of the prefabricated river beam according to the present invention,

5 is a perspective view illustrating an assembly process of a wall block of a prefabricated river beam according to the present invention;

Figure 6 is a perspective view showing the separated otter structure of the prefabricated river beam according to the present invention,

Figure 7 is a side view showing the esophagus of the prefabricated river beam according to the present invention,

Figure 8 is a side view showing the appearance of installing the fisheye of the prefabricated river beam according to the present invention,

9 is a perspective view showing the adobe block of the prefabricated river beam according to the present invention;

10 is a cross-sectional view showing a partially enlarged assembly view of the adobe block of the prefabricated river beam according to the present invention,

11 is a perspective view showing the binding band of the prefabricated river beam according to the present invention,

12 is a view showing the support of the prefabricated river beams according to the present invention,

13 is a side view showing the binding module of the prefabricated river beam according to the present invention,

14 is a plan view showing a safety plate of the prefabricated river beams according to the present invention,

15 is a perspective view showing the guard of the prefabricated river beam according to the present invention,

16 is a perspective view illustrating an assembly process of the prefabricated river beam according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: bottom plate 110: bottom plate block

111: junction 112: coupling groove

113: coupling protrusion 114: fish rest space

114a: exit section 115: hanger groove

200: wall 210: wall block

211: junction 212: step

213: coupling groove 214: coupling protrusion

215: Hanging groove 220: Free fall ball wall block

300: otter form structure 310: upper block

311: vent 312: hanger groove

320: inner block 321: bottom plate

322: top plate 330: lower block

331: doorway 332: drain

333: hanger groove 334: junction

335: coupling portion 340: protective block

341: Hanging groove 400: Edo

410: block Adobe 411: bottom plate

412: groove bottom 413: protrusion

414: outer plate 415: inner plate

416: moving plate 417: coupling protrusion

418: coupling groove 420: binding band

430: support 431: outer plate

432: crossbar 433: binding protrusion

434: binding groove 440: binding module

441: binding protrusion 442: locking portion

443: hinge coupling 450: safety plate

451: binding groove 460: guard

Claims (30)

delete As a prefab river beam, A bottom plate installed to cross a river by assembling a plurality of bottom plate blocks; It includes a wall is installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier, The bottom plate block, The prefabricated river beam is provided at the upper portion so that the wall block is assembled, and the concave-convex coupling portions are provided at both sides to assemble in line with the other bottom plate block. The method of claim 2, The bottom plate block, Prefabricated river beams are provided with a fish rest space in which the upper side is opened to provide a place for resting the fish, and a water exit portion is formed to extend downstream. As a prefab river beam, A bottom plate installed to cross a river by assembling a plurality of bottom plate blocks; It includes a wall is installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier, The wall block, Prefabricated river beams are provided with concave-convex coupling parts to be assembled in line with other wall blocks on both sides. The method of claim 4, wherein The wall block, An inclined surface is formed on one side, the prefabricated river beam is provided to be arranged in a plurality of stepped up and down to enable the walking of the animal on the inclined surface. As a prefab river beam, A bottom plate installed to cross a river by assembling a plurality of bottom plate blocks; A wall installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier; Otter-type structure which is installed to inhabit otters between the wall blocks Prefab river beam containing a. The method of claim 6, The otter form structure, The main body is installed to be detachable from the bottom plate block, provides a space for inhabiting otters on the inside, vents and drains are formed on the upper side and the lower side, respectively, and the entrance and exit for otters are formed on the lower side. Prefab river beam containing a. The method of claim 7, wherein The otter form structure, An inner block installed to provide a dry area inside the main body Prefab river beam containing more. The method of claim 6, The bottom plate block, The prefabricated river beam is provided at the upper portion so that the wall block is assembled, and the concave-convex coupling portions are provided at both sides to assemble in line with the other bottom plate block. The method according to claim 6 or 9, The bottom plate block, Prefabricated river beams are provided with a fish rest space in which the upper side is opened to provide a place for resting the fish, and a water exit portion is formed to extend downstream. The method of claim 6, The wall block, Prefabricated river beams are provided with concave-convex coupling parts to be assembled in line with other wall blocks on both sides. The method according to claim 6 or 11, wherein The wall block, An inclined surface is formed on one side, the prefabricated river beam is provided to be arranged in a plurality of stepped up and down to enable the walking of the animal on the inclined surface. As a prefab river beam, A bottom plate installed to cross a river by assembling a plurality of bottom plate blocks; A wall installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier; Also installed on the bottom plate and the wall to be detachable Prefabricated river beams containing more. The method of claim 13, The above degree, A plurality of fish blocks arranged in a line to provide a path of movement of the fish; A binding band for binding the adobe blocks to each other, A supporter positioned below the fish block to support the fish block; Binding module for fixing the support to the wall block or wall block forming the free fall hole Prefab river beam containing a. The method of claim 14, The adobe block, A bottom plate provided with a protrusion on the bottom surface, An outer plate provided on both sides of the bottom plate, An inner side plate provided at the front and rear sides of the bottom plate, the inner side plate being coupled to another fish block by the binding table; Concave-convex coupling portion provided to be assembled in a row with the other block on the inner plate Prefab river beam containing a. The method of claim 13, The fishery, A guard that couples the adobe block and the support to each other so that the adobe block is separated from the support; Safety plate coupled to the end of the support is installed on the bottom surface of the river Prefab river beam containing more. The method of claim 13, The bottom plate block, The prefabricated river beam is provided at the upper portion so that the wall block is assembled, and the concave-convex coupling portions are provided at both sides to assemble in line with the other bottom plate block. The method according to claim 13 or 17, The bottom plate block, Prefabricated river beams are provided with a fish rest space in which the upper side is opened to provide a place for resting the fish, and a water exit portion is formed to extend downstream. The method of claim 13, The wall block, Prefabricated river beams are provided with concave-convex coupling parts to be assembled in line with other wall blocks on both sides. The method of claim 13 or 19, The wall block, An inclined surface is formed on one side, the prefabricated river beam is provided to be arranged in a plurality of stepped up and down to enable the walking of the animal on the inclined surface. As a prefab river beam, A bottom plate installed to cross a river by assembling a plurality of bottom plate blocks; A wall installed to assemble a plurality of wall blocks along the bottom plate to function as a water barrier; Otter format structure is installed so that the otter in between the wall blocks, Also installed on the bottom plate and the wall to be detachable Prefab river beam containing a. The method of claim 21, The bottom plate block, The prefabricated river beam is provided at the upper portion so that the wall block is assembled, and the concave-convex coupling portions are provided at both sides to assemble in line with the other bottom plate block. The method of claim 21 or 22, The bottom plate block, Prefabricated river beams are provided with a fish rest space in which the upper side is opened to provide a place for resting the fish, and a water exit portion is formed to extend downstream. The method of claim 21, The wall block, Prefabricated river beams are provided with concave-convex coupling parts to be assembled in line with other wall blocks on both sides. The method of claim 21 or 24, The wall block, An inclined surface is formed on one side, the prefabricated river beam is provided to be arranged in a plurality of stepped up and down to enable the walking of the animal on the inclined surface. The method of claim 21, The otter form structure, The main body is installed to be detachable from the bottom plate block, provides a space for inhabiting otters on the inside, vents and drains are formed on the upper side and the lower side, respectively, and the entrance and exit for otters are formed on the lower side. Prefab river beam containing a. The method of claim 26, The otter form structure, An inner block installed to provide a dry area inside the main body Prefab river beam containing more. The method of claim 21, The fishery, A plurality of fish blocks arranged in a line to provide a path of movement of the fish; A binding band for binding the adobe blocks to each other, A supporter positioned below the fish block to support the fish block; Binding module for fixing the support to the wall block or wall block forming the free fall hole Prefab river beam containing a. 29. The method of claim 28, The adobe block, A bottom plate provided with a protrusion on the bottom surface, An outer plate provided on both sides of the bottom plate, An inner side plate provided at the front and rear sides of the bottom plate, the inner side plate being coupled to another fish block by the binding table; Concave-convex coupling portion provided to be assembled in a row with the other block on the inner plate Prefab river beam containing a. The method of claim 21, The fishery, A guard that couples the adobe block and the support to each other so that the adobe block is separated from the support; Safety plate coupled to the end of the support is installed on the bottom surface of the river Prefab river beam containing more.

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