CN111321712A - Assembled fishway pool chamber structure and construction method - Google Patents
Assembled fishway pool chamber structure and construction method Download PDFInfo
- Publication number
- CN111321712A CN111321712A CN202010107056.2A CN202010107056A CN111321712A CN 111321712 A CN111321712 A CN 111321712A CN 202010107056 A CN202010107056 A CN 202010107056A CN 111321712 A CN111321712 A CN 111321712A
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- China
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- prefabricated
- fishway
- pool
- bottom plate
- pool chamber
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
- E02B8/085—Devices allowing fish migration, e.g. fish traps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
Abstract
The invention provides an assembled fishway pool room structure and a construction method. The assembled fishway pool chamber structure comprises two L-shaped prefabricated pool chamber side walls, a bearing steel plate, a pool chamber cast-in-place concrete bottom plate, a bottom plate steel bar, a prefabricated guide plate or partition plate, structural joint water stop and construction joint water stop; the side walls on the left side and the right side of the fishway pool chamber are respectively provided with L-shaped prefabricated parts, and the prefabricated parts are lifted in place. The invention can adapt to the structural arrangement of a large-span pool chamber, thereby increasing the distance between the column piers, reducing the number of the column piers and effectively saving building materials. The prefabricated member and the non-dismantling template are adopted, so that the construction process can be greatly simplified, the construction speed is accelerated, and the construction quality and the construction safety are guaranteed.
Description
Technical Field
The invention relates to an assembled fishway pool chamber structure and a construction method, and belongs to the field of fishway engineering construction.
Background
The fishway can be classified into a bionic type, a partition type, a groove type, a special structure type and the like according to the structure type. The clapboard type fishway can be divided into an overflow weir type, a submerged orifice type, a vertical seam type and a combined type according to the clapboard type. To vertical seam formula fishway, the structural design and the construction technology of current fishway pond room are mainly three kinds of modes, the cast-in-place mode of the full section of pond room, pond room bottom plate prefabricated mode and the full sectional preparation mode of pond room, and the main problem that several kinds of modes exist is: (1) the full-section cast-in-place mode of the pool room needs to set up a large number of scaffolds and templates, has multiple processes, wastes time and labor, and has high safety risk of high-altitude operation, and the construction quality of the thin-wall components in the pool room is difficult to ensure because of the cast-in-place mode; (2) although the pool chamber bottom plate is prefabricated, some scaffold materials are saved, templates need to be installed on the prefabricated pool chamber bottom plate to reproduce wall structures on two sides of a pouring pool chamber, and then the templates are removed, so that time and labor are still wasted, the construction precision is difficult to guarantee, and the safety risk of high-altitude operation is still large; (3) the full-section prefabricating method of the pool chamber is characterized in that the pool chamber is prefabricated in a full-section mode, the prefabricated weight of the prefabricated pool chamber in unit length is large, the length of a cross-section prefabricated pool chamber can only be small under the same hoisting capacity condition, the number of supporting columns is relatively large, corresponding structural joints are large, the probability of water stop failure is increased, and long-term operation of a fishway is not facilitated. If the large-span arrangement is adopted, the hoisting capacity of the hoisting equipment needs to be increased, and the investment is increased.
Disclosure of Invention
Along with the construction of a high dam and a large warehouse in the western region, the length and the lifting height of a corresponding fishway are also increased, and the technical problems to be solved by the invention are as follows: the utility model provides an assembled fishway pool room structure, this scheme adaptation large-span pool room structural arrangement, all construction scaffolds between the cancellation post adopt prefabricated assembled construction mode, have characteristics such as construction speed is fast, of high quality, precision height, safe and reliable, energy-concerving and environment-protective.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an assembled fishway pool room structure, this fishway pool room structure mainly comprises two L shape prefabricated component and cast-in-place bottom plate concrete combination.
The assembled fishway pool chamber structure comprises two L-shaped prefabricated pool chamber side walls, a bearing steel plate, a pool chamber cast-in-place concrete bottom plate, a bottom plate steel bar, a prefabricated guide plate or partition plate and a seam water stop structure;
the side walls on the left side and the right side of the fishway pool chamber are respectively made of L-shaped prefabricated parts, and the prefabricated parts are lifted in place;
the bearing steel plate is set up between two prefabricated pond room side wall bottoms of L shape, as the exempting from of pond room cast in situ concrete bottom plate and tear open the die block board, simultaneously as construction platform, make things convenient for constructor's ligature reinforcing bar and fixed prefabricated baffle, the steel reinforcement welding of the prefabricated pond room side wall of bottom plate reinforcing bar and L shape, all embedded structure seam stagnant water on the prefabricated pond room side wall tip of adjacent L shape in front and back, set up the construction joint stagnant water between prefabricated pond room side wall bottom of L shape and pond room cast in situ concrete bottom plate.
Furthermore, the tail end of the transverse bottom of the side wall of the L-shaped prefabricated pool chamber is provided with a step, and the bearing steel plate is placed on the step.
The fishway pool chamber is also internally provided with a guide plate or a partition plate, and the fishway guide plate or the partition plate is of a prefabricated type.
And further, placing a prefabricated guide plate or a partition plate at a corresponding position on the bearing steel plate, connecting the steel bars at the bottom of the prefabricated guide plate or the partition plate with the steel bars of the pool chamber bottom plate, and forming the guide plate or the partition plate and the pool chamber bottom plate into a whole after the fishway pool chamber bottom plate is cast with concrete in situ.
The joint water stopping structure comprises structural joint water stopping and construction joint water stopping; structural joint water stopping is arranged at two ends of the side wall of the L-shaped prefabricated pool chamber, and the structural joint water stopping of the front and rear adjacent L-shaped prefabricated pool chamber side walls can be welded in an opposite mode; and a construction joint water stop is arranged between the bottom of the side wall of the L-shaped prefabricated pool room and the cast-in-place concrete bottom plate of the fishway pool room.
Furthermore, a cable pipe is pre-embedded at the top of the side wall of the L-shaped prefabricated pool chamber, cables of observation equipment and power equipment can be laid, access holes are reserved in the cable pipe at certain intervals, and cover plates are arranged on the access holes;
furthermore, the top of the side wall of the L-shaped prefabricated pool room is properly enlarged to meet the passing requirement of personnel in the construction period; the light-transmitting pedestrian cover plate is laid on the full section of the top of the fishway, and the side walls of the two sides are provided with the handrails, so that personnel can pass through the fishway conveniently in the operation period.
The invention also provides a construction method of the assembled fishway pool chamber structure, which is characterized by comprising the following steps:
prefabricating the left and right L-shaped prefabricated fishway pool room side walls of the fishway pool room, hoisting the prefabricated L-shaped prefabricated fishway pool room side walls to positions between column piers, temporarily fixing the prefabricated fishway pool room side walls, erecting a bearing steel plate on a step between the L-shaped prefabricated fishway pool room side walls, using the bearing steel plate as a construction platform and a concrete template, laying bottom plate reinforcing steel bars, firmly welding the bottom plate reinforcing steel bars with reinforcing steel bars reserved in the L-shaped prefabricated fishway pool room side walls, placing prefabricated guide plates or partition plates on the bottom plate reinforcing steel bars according to design positions, fixedly welding the reinforcing steel bars reserved at the feet of the prefabricated guide plates or partition plates and the bottom plate reinforcing steel bars, sealing and welding structural joints between adjacent fishways, and pouring fishway bottom plate concrete.
The invention has the beneficial effects that: the pool chamber is divided into a left side wall, a right side wall and a bottom plate, the left side wall and the right side wall are in a precast beam type, and the middle bottom plate is in a cast-in-place type. This assembled fishway pool room structure make full use of the self bearing capacity of side wall structure, prefabricated side wall height is the design height of pool room side wall, one shot forming, but the bottom is short bottom plate, its size is far less than vertical wall, can reduce actually to satisfy the needs of being connected with the support of pier stud needs and placing the bearing steel sheet, the reduction of bottom plate size has reduced the dead weight of every side wall of striding effectively, make to lift by crane the side wall under the longer condition of span and become possible. After the two side walls are hoisted in place, the disassembly-free steel templates are arranged between the two side walls, the templates can be used as construction platforms to facilitate the operation of constructors, and can also be used as a part of the bottom plate of the pool chamber to form a stressed whole with the side walls after concrete is poured. The invention can adapt to the structural arrangement of a large-span pool chamber, thereby increasing the distance between the column piers, reducing the number of the column piers and effectively saving building materials. The prefabricated member and the non-dismantling template are adopted, so that the construction process can be greatly simplified, the construction speed is accelerated, and the construction quality and the construction safety are guaranteed.
Drawings
FIG. 1 is a plan view of an assembled fishway chamber structure of the invention;
FIG. 2 is a cross-sectional view of an assembled fishway pool structure of the invention, namely, a cross-sectional view A-A of FIG. 1;
fig. 3 is a longitudinal sectional view, namely, a sectional view B-B of fig. 1, of an assembled fishway structure of the invention.
The specific implementation mode is as follows:
for the purpose of facilitating understanding and practicing the invention, embodiments of the invention are further described with reference to the accompanying drawings.
Reference is made to the accompanying drawings. The assembled fishway pool chamber structure of this embodiment mainly includes left side and right side L shape prefabricated pool chamber side wall 1, bearing steel plate 2, fishway pool chamber bottom plate cast in situ concrete bottom plate 3, bottom plate reinforcing bar 4, prefabricated fishway baffle or baffle 5, baffle or baffle reinforcing bar 6, pedestrian's apron 7, structural joint stagnant water 8, cable duct 9, railing 10, construction joint stagnant water 11.
The side walls on the left side and the right side of the fishway pool chamber are respectively vertical walls 102 of an L-shaped prefabricated pool chamber side wall 1; the end of the short bottom plate 101 of the L-shaped prefabricated fishway pool room side wall 1 is provided with a step 111, the bearing steel plate 2 is placed on the step 111 and used as a disassembly-free template of the fishway pool room bottom plate, the bearing steel plate has the capacity of bearing the dead weight load and the construction load of a cast-in-place bottom plate in the construction period, and the corner of the step 111 can be provided with angle steel wrapping the corner for protecting and reinforcing the step 111. The steel bars 103 of the L-shaped prefabricated pool room side wall 1 are reserved to expose parts, the bottom plate steel bars 4 are welded with the steel bars, the front and back adjacent L-shaped prefabricated pool room side walls 1 are provided with structural joint water stop 8, and construction joint water stop 11 is arranged between the bottom of the L-shaped prefabricated pool room side wall 1 and the cast-in-place concrete bottom plate 3 of the fishway pool room.
According to actual conditions, the construction process is further explained by combining the schematic equipment in the attached drawings of the invention: and (3) prefabricating and forming the left and right L-shaped prefabricated pool room side walls 1 of each span (the span is about 15-17 m) on the ground, wherein the side walls comprise structural joint water stops 8, construction joint water stops 11, cable pipes 9, reinforcing steel bars 103 and the like. Hoisting a left L-shaped prefabricated fishway side wall 1 and a right L-shaped prefabricated fishway side wall 1 to the designed pier positions, temporarily fixing the left L-shaped prefabricated fishway side wall and the right L-shaped prefabricated fishway side wall, placing a bearing steel plate 2 between the two L-shaped prefabricated fishway side walls 1, namely on a step 111, laying a bottom plate steel bar 4 by using the bearing steel plate 2 as a construction platform, firmly welding the bottom plate steel bar 4 and a steel bar 103, placing a prefabricated guide plate or a partition plate 5 on the bottom plate steel bar 4, fixedly welding a guide plate or a partition plate steel bar 6 and the bottom plate steel bar 4, butt-welding a structural seam water stop system 8 between two cross beams, pouring a fishway bottom plate cast-in-place concrete bottom plate 3, hoisting a pedestrian cover.
The above description is only an embodiment of the present invention, and the technical features of the present invention are not limited thereto, and any changes or modifications within the field of the present invention by those skilled in the relevant art are covered by the protection scope of the present invention.
Claims (8)
1. An assembled fishway pool chamber structure is characterized by comprising left and right L-shaped prefabricated pool chamber side walls (1), bearing steel plates (2), pool chamber cast-in-place concrete bottom plates (3), bottom plate reinforcing steel bars (4), prefabricated guide plates or partition plates (5) and a seam water stop structure;
the side walls on the left side and the right side of the fishway pool chamber comprise vertical walls (102) and short horizontal bottom plates (101) of the L-shaped prefabricated pool chamber side walls (1); the bearing steel plate (2) is arranged between short horizontal bottom plates (101) of L-shaped prefabricated pool room side walls (1) on two sides and serves as a disassembly-free bottom template of a pool room cast-in-place concrete bottom plate (3), and bottom plate steel bars (4) are welded with steel bars (103) of the L-shaped prefabricated pool room side walls (1).
2. The assembled fishway pool structure of claim 1, further comprising: the end of a short horizontal bottom plate (101) of the L-shaped prefabricated pool chamber side wall (1) is provided with a step (111), and the bearing steel plate (2) is placed on the step (111).
3. The assembled fishway pool structure of claim 1, further comprising: and the bottom of the prefabricated guide plate or partition plate (5) extends out of a steel bar (6) and is welded with a pool chamber bottom plate steel bar (4), and the bottom of the prefabricated guide plate or partition plate (5) is buried in a fishway pool chamber cast-in-place concrete bottom plate (3).
4. A fabricated fishway pool structure as claimed in claim 3, wherein: the method comprises the steps of placing a prefabricated guide plate or partition plate (5) on a bearing steel plate (2) according to a designed position, welding reinforcing steel bars (6) of the prefabricated guide plate or partition plate (5) with bottom plate reinforcing steel bars (4), and forming the prefabricated guide plate or partition plate (5) and a fishway pool chamber into a whole after casting concrete on a cast-in-place concrete bottom plate (3) of the fishway pool chamber bottom plate.
5. The assembled fishway pool structure of claim 1, further comprising: the upper portion of L shape prefabricated pond room side wall (1) is pre-buried has cable pipe (9), and the relevant monitoring facilities cable of fishway is all concentrated and is placed in this cable pipe (9), and cable pipe (9) interval certain distance is equipped with the access hole.
6. The assembled fishway pool structure of claim 1, further comprising: light-transmitting pedestrian cover plates (7) are laid at the tops of L-shaped prefabricated pool room side walls (1) of the fishway pool room, two ends of each pedestrian cover plate (7) are lapped on the L-shaped prefabricated pool room side walls (1), and handrails (10) are installed on the L-shaped prefabricated fishway pool room side walls (1).
7. The assembled fishway pool structure of claim 1, further comprising: the side wall (1) and the prefabricated guide plate or the partition plate (5) of the L-shaped prefabricated fishway pool chamber in the fishway pool chamber structure are prefabricated, the cast-in-place concrete bottom plate (3) of the fishway pool chamber is cast in place, the components are erected on the pier columns, and the cast-in-place concrete bottom plate (3) of the fishway pool chamber is constructed to form a complete fishway pool chamber.
8. A construction method of an assembled fishway pool chamber structure is characterized by comprising the following steps:
prefabricating L-shaped prefabricated pool chamber side walls (1) on the left side and the right side of a fishway pool chamber, hoisting the prefabricated L-shaped prefabricated pool chamber side walls (1) between column piers and temporarily fixing the prefabricated fishway pool chamber side walls, erecting bearing steel plates (2) on steps (111) between the L-shaped prefabricated pool chamber side walls (1), laying bottom plate steel bars (4) by using the bearing steel plates (2) as a construction platform and concrete templates, firmly welding the bearing steel plates and steel bars (103) reserved in the L-shaped prefabricated pool chamber side walls (1), then placing prefabricated guide plates or partition plates (5) on the bottom plate steel bars (4) according to design positions, welding and fixing the prefabricated guide plates or partition plates (5) with the reserved extending steel bars (6) and the bottom plate steel bars (4), butt-welding structural joint water stops (8) between the adjacent side walls, and finally pouring a fishway bottom plate cast-in-place concrete bottom plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107056.2A CN111321712A (en) | 2020-02-20 | 2020-02-20 | Assembled fishway pool chamber structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107056.2A CN111321712A (en) | 2020-02-20 | 2020-02-20 | Assembled fishway pool chamber structure and construction method |
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| Publication Number | Publication Date |
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| CN111321712A true CN111321712A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010107056.2A Pending CN111321712A (en) | 2020-02-20 | 2020-02-20 | Assembled fishway pool chamber structure and construction method |
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| CN (1) | CN111321712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250154A (en) * | 2021-05-06 | 2021-08-13 | 中国电建集团华东勘测设计研究院有限公司 | High-bent-frame parallel bidirectional fishway pool chamber structure and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250154A (en) * | 2021-05-06 | 2021-08-13 | 中国电建集团华东勘测设计研究院有限公司 | High-bent-frame parallel bidirectional fishway pool chamber structure and construction method thereof |
| CN113250154B (en) * | 2021-05-06 | 2022-07-05 | 中国电建集团华东勘测设计研究院有限公司 | High-bent-frame parallel bidirectional fishway pool chamber structure and construction method thereof |
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Application publication date: 20200623 |
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