CN111560915B - River diversion method and construction structure thereof - Google Patents
River diversion method and construction structure thereof Download PDFInfo
- Publication number
- CN111560915B CN111560915B CN202010433914.2A CN202010433914A CN111560915B CN 111560915 B CN111560915 B CN 111560915B CN 202010433914 A CN202010433914 A CN 202010433914A CN 111560915 B CN111560915 B CN 111560915B
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- river
- dam
- steel plate
- supporting
- river channel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention discloses a river diversion method and a construction structure thereof, and relates to the technical field of water conservancy and hydropower engineering. The technical scheme includes that a dam is poured at the junction of a new river channel and an old river channel, the dam is connected to a stand column in a rotating mode, after the new river channel is dug and poured, the dam is rotated by taking the stand column as the circle center, the dam cuts off river water in the old river channel and guides the river water into the new river channel, and soil during the digging and setting of the new river channel is used for filling the waterless section of the old river channel. The invention has reasonable structure, can quickly complete river diversion under the condition of no interception, does not influence the circulation of river water, and is convenient and quick to construct.
Description
Technical Field
The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a river diversion method and a construction structure thereof.
Background
River diversion is a phenomenon that a river changes a path and flows along a new path, and the cause of the phenomenon can be divided into natural and artificial, wherein the former phenomenon is diversion caused by river attack, river bed silt height and the like; the latter is to plan and dig a new river channel according to the human utilization purpose and change the flow direction of the old river channel.
A new river diversion method and its construction structure are proposed.
Disclosure of Invention
The invention aims to provide a river channel diversion method which can quickly complete river diversion under the condition of no interception.
The technical purpose of the invention is realized by the following technical scheme: a river diversion method, including S1, dig the big stone on the surface of river bottom with the digging machine at the juncture of new river crossing and existing river course designed first, until digging to the part of the river bottom fine sand, if this part does not have many big stones, dig some big stones from other parts of river course; s2, driving Larsen steel plates into the river bottom at the junction of the designed new river mouth and the existing river channel, wherein the Larsen steel plates are enclosed into an arc shape and matched with the river bank to form a sealed enclosure environment; s3, sinking a reinforcement cage into a part enclosed between the Larsen steel plate and a river bank, wherein the reinforcement cage is internally provided with large stones excavated in the step S1, and supports the Larsen steel plate; s4, pumping out partial river water enclosed between the Larsen steel plate and a river bank; s5, reserving a part of open space when the reinforcement cage is sunk in the step S3, then punching holes downwards at the open space position in the step, then inserting reinforcement frames into the holes, erecting enclosing cylinders outside the reinforcement frames, and pouring vertical columns at the reinforcement frames by using gravel concrete; s6, removing the enclosure tube in the step S5, then enclosing the enclosure tube outside the upright post by using an iron sheet, pouring sand-rock concrete into the rest part between the Larsen steel plate and the river bank to pour a dam, wherein one end of the dam is rotatably connected to the upright post, and a connecting piece is poured into the end of the dam far away from the upright post in advance; s7, digging out a new river channel according to the setting, building dams at two sides of the new river channel, and stopping the inlet of the new river channel by a dam; s8, removing the Larsen steel plate, using the upright post as a circle center, using a crane to hoist the pre-poured connecting piece, controlling the dam to rotate by using the upright post as the circle center, enabling one end of the dam far away from the upright post to abut against the river bank on the other side of the old river channel, and filling soil dug out by digging a new river channel into the old river channel to level up the old river channel.
By adopting the scheme, a new river channel is dug and built, then the dam which is poured movably blocks the water flow in the old river channel, so that the water flow can flow into the new river channel in a reversed way, and the diversion of the river can be quickly completed under the condition of no closure.
The invention is further configured to: in step S2, multiple layers of nylon cloth are laid on both the inner and outer sides of the larsen steel plates, and the nylon cloth is pressed with a stone block to prevent it from floating.
Through adopting above-mentioned scheme, through laying nylon cloth, utilize water pressure to carry out waterproof sealing, can be effectively waterproof to nylon cloth can separate the dam and draw the sen steel sheet when pouring the dam, makes things convenient for the later stage to dismantle the Lasen steel sheet.
The invention is further configured to: in step S5, a prefabricated cast-in-place pile may be inserted to replace the cast-in-place pillar directly after the hole is punched.
Through adopting above-mentioned scheme, under the narrower circumstances in river course, the bored concrete pile can reach the required intensity of stand completely, and is convenient more swiftly like this, but meets the great river course of width, under the very big circumstances of dam, is difficult for adopting the bored concrete pile.
The invention is further configured to: in step S6, the dam is cast in an arc shape with both inner and outer sides being arc-shaped.
Through adopting above-mentioned scheme, set up the retaining dam into interior lateral surface all for the arc, the arc lateral surface of retaining dam makes the retaining dam can bear the impact that rivers are bigger, and also sets up the medial surface of retaining dam into the arc, removes the retaining dam in order to block old river course after, curved medial surface can be with more smooth and easy orientation with the river in the old river course in the new river course of direction.
The invention is further configured to: in the step S3, before sinking into a steel bar cage, a supporting steel plate is placed at the bottom of the enclosed area, then supporting wheels are placed, the supporting wheels are welded on the lower surface of a connecting steel plate, a plurality of connecting steel bars are welded on the upper surface of the connecting steel plate, the connecting steel bars penetrate through laid nylon cloth and then are placed into the steel bar cage, the steel bar cage is supported on the connecting steel plate, then gravel concrete is poured, the supporting wheels are arranged below the dam to support, then in the step S8, an excavator is used for cleaning the river bottom of an old river channel, then a supporting frame is laid, when the dam is rotated, the supporting wheels are supported on the supporting frame to move, or the supporting frame is replaced by supporting piers, the dam is gradually moved while the supporting piers are gradually laid, and after the dam is moved, the bottom space is filled with gravel.
By adopting the scheme, the connecting supporting wheels are arranged below the dam, so that the dam can be moved in the following steps more easily and simply.
Another object of the present invention is to provide a construction structure capable of rapidly guiding river water in an old river course into a new river course.
The technical purpose of the invention is realized by the following technical scheme: including wholly being convex dam, the one end of dam is rotated and is connected on a vertical stand, the lower extreme of stand inserts the river course bottom, the dam deviates from the one end an organic whole of stand is provided with the connecting piece.
Through adopting above-mentioned scheme, when the water in the old river course is leading-in the new river course in needs, hang the connecting piece through the hoist, then use the stand to remove the retaining dam as the centre of a circle for the retaining dam is equipped with the one end butt of connecting piece to the opposite bank of old river course, and the retaining dam bottom and old river course bottom at this moment are difficult to agree with completely, so need assist to pour into the grit and carry out the landfill sealed, can block the river in the old river course fast and lead-in the new river course.
The invention is further configured to: the stand with still be provided with the iron sheet layer between the dam, the iron sheet layer is the tube-shape and the laminating surrounds the stand.
Through adopting above-mentioned scheme, set up a layer of iron sheet layer outside the stand, when the retaining dam is when rotating, the iron sheet layer can greatly reduce the frictional force between retaining dam and the stand, conveniently removes the retaining dam and changes its course in order to block river.
The invention is further configured to: the dam is characterized in that a connecting steel plate is further arranged at the bottom of the dam, a plurality of connecting steel bars are welded on the upper surface of the connecting steel plate, the connecting steel bars are poured in the dam, a plurality of supporting wheels are welded on the lower surface of the connecting steel plate, a supporting frame is further arranged below the supporting wheels, the supporting frame is in an arc shape with the stand column as the circle center, and the supporting wheels are supported on the supporting frame to roll.
Through adopting above-mentioned scheme, set up the supporting wheel in the bottom of dam, when removing the dam, through the resistance that the supporting wheel further reduced when the dam removes for the dam removes more easily.
In conclusion, the invention has the following beneficial effects: the device can quickly complete the connection diversion of the new river channel and the old river channel under the condition of no closure, and is simple and quick to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is a partial structural schematic diagram of the embodiment.
Reference numerals: 1. larsen steel plate; 2. a column; 3. an iron sheet layer; 4. blocking a dam; 5. a connecting member; 6. a support steel plate; 7. a support wheel; 8. connecting steel plates; 9. connecting reinforcing steel bars; 10. a support frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a river diversion method includes: s1, digging out large stones on the surface of the river bottom by using a digging machine at the junction of the designed new river mouth and the existing river channel until the part of the river bottom fine sand is dug out, and if the part of the river bottom fine sand does not contain a lot of large stones, digging out some large stones from other parts of the river channel;
s2, driving Larsen steel plates 1 into the river bottom at the junction of the designed new river crossing and the existing river channel, forming an arc by the Larsen steel plates 1 and forming a sealed enclosure environment by matching with the river bank, laying multiple layers of nylon cloth on the inner side and the outer side of each Larsen steel plate 1, and pressing the nylon cloth with stones to prevent the nylon cloth from floating;
s3, sinking a supporting steel plate 6 into a part enclosed between the Larsen steel plate 1 and a river bank for flatly paving and supporting, then sinking a supporting wheel 7, welding the supporting wheel 7 on the lower surface of a connecting steel plate 8, welding a plurality of connecting reinforcing steel bars 9 on the upper surface of the connecting steel plate 8, then sinking a reinforcing steel bar cage, distributing the connecting reinforcing steel bars 9 among the reinforcing steel bar cages, installing large stones excavated in the step S1 in the reinforcing steel bar cage, and supporting the Larsen steel plate 1 by the reinforcing steel bar cage;
s4, extracting river water enclosed by the Larsen steel plate 1 and a river bank;
s5, reserving a part of open space when sinking the reinforcement cage in the step S3, then drilling a hole downwards at the open space position in the step, then inserting a reinforcement frame into the hole, erecting a surrounding cylinder outside the reinforcement frame, and pouring the upright post 2 at the reinforcement frame by using gravel concrete, wherein the upright post 2 in the step can also adopt a cast-in-place pile cast in advance, and the lower end of the cast-in-place pile is directly inserted into the drilled hole;
s6, dismantling the surrounding tube in the step S5, forming a tube on the periphery of the upright post 2 by using an iron sheet, pouring sand-rock concrete into the rest part between the Larsen steel plate 1 and the river bank to pour the dam 4, wherein one end of the dam 4 is rotatably connected to the upright post 2, pouring a connecting piece 5 in advance at one end of the dam 4 far away from the upright post 2, and installing a baffle plate to ensure that the inner side and the outer side of the poured dam 4 are both arc-shaped;
s7, digging out a new river channel according to the setting, building dams at two sides of the new river channel, and stopping the inlet of the new river channel by a dam 4;
s8, removing the Larsen steel plate 1, cleaning the bottom of the old river channel by an excavator, laying a support frame 10 or gradually laying a support pier for supporting, taking the upright post 2 as the center of a circle, using a crane to hoist the pre-poured connecting piece 5 and then controlling the blocking dam 4 to rotate by taking the upright post 2 as the center of a circle, supporting a wheel to move on the support frame 10 or the support pier so that one end of the blocking dam 4, far away from the upright post 2, abuts against the river bank on the other side of the old river channel, filling the gap between the blocking dam 4 and the bottom of the old river channel with sand and stones excavated from the old river channel, and filling soil excavated from the new river channel into the cut old river channel to level the old river channel.
Combine figure 1 and fig. 2 to show, a construction structures, including wholly being convex retaining dam 4, the one end of retaining dam 4 is rotated and is connected on a vertical stand 2, the lower extreme of stand 2 inserts the downthehole that the river course bottom was beaten in advance to one end an organic whole that deviates from stand 2 at retaining dam 4 is provided with connecting piece 5, retaining dam 4 is poured into sand and stone concrete by the steel reinforcement cage that is equipped with the stone and is solidified and form, a part of connecting piece 5 is directly pour in retaining dam 4 when retaining dam 4 is pour.
Still be provided with iron sheet layer 3 between dam 4 and stand 2, iron sheet layer 3 is the tube-shape and the laminating surrounds 2 surfaces at the stand, utilizes iron sheet layer 3 to reduce the dam 4 friction between when rotating and stand 2.
Still be provided with connecting steel plate 8 in the bottom of dam 4, connecting steel plate 8's last surface welding has many connecting reinforcement 9, connecting reinforcement 9 directly pours in dam 4 when dam 4 pours, and connecting steel plate 8's lower surface welding distributes and has a plurality of supporting wheels 7, the below of supporting wheel 7 still is provided with support frame 10, support frame 10 is with the arc of stand 2 as the centre of a circle, when dam 4 rotates, supporting wheel 7 supports and rolls on support frame 10, it is more convenient to make dam 4 remove.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. A river diversion method is characterized in that: the method comprises S1, digging out large stone blocks on the surface of the river bottom by a digging machine at the junction of the designed new river mouth and the existing river channel until the part of the river bottom fine sand is dug out, and if the part of the river bottom fine sand does not contain a lot of large stone blocks, digging out some large stone blocks from other parts of the river channel; s2, a Larsen steel plate (1) is driven into the river bottom at the junction of the designed new river mouth and the existing river channel, and the Larsen steel plate (1) is enclosed into an arc shape and matched with a river bank to form a sealed enclosure environment; s3, sinking a reinforcement cage into a part enclosed between the Larsen steel plate (1) and a river bank, wherein the reinforcement cage is filled with large stones dug in the step S1, and the reinforcement cage supports the Larsen steel plate (1); s4, extracting river water enclosed by the Larsen steel plate (1) and a river bank; s5, reserving a part of open space when the reinforcement cage is sunk in the step S3, then punching holes downwards at the open space position in the step, then inserting reinforcement frames into the holes, erecting enclosing cylinders outside the reinforcement frames, and pouring vertical columns (2) at the reinforcement frames by using gravel concrete; s6, removing the enclosure tube in the step S5, then enclosing the column (2) into a tube shape by using an iron sheet, pouring sand-rock concrete into the rest part between the Larsen steel plate (1) and the river bank to pour the dam (4), wherein the column (2) is positioned at one end of the dam (4), the dam (4) can rotate by using the column (2) as an axis, and a connecting piece (5) is poured in advance at one end, far away from the column (2), of the dam (4); s7, digging out a new river channel according to the setting, building dams at two sides of the new river channel, and blocking an inlet of the new river channel by a blocking dam (4); s8, removing the Larsen steel plate (1), using the upright post (2) as a circle center, using a crane to hang a pre-poured connecting piece (5) and then controlling the dam (4) to rotate around the upright post (2) so that one end of the dam (4) far away from the upright post (2) is abutted against the other side of the river bank of the old river channel, then filling soil dug out by digging a new river channel into the cut old river channel to level up the old river channel, in the step S3, before sinking into a steel reinforcement cage, putting a supporting steel plate (6) at the bottom of a surrounding area, then sinking into a supporting wheel (7), welding the supporting wheel (7) on the lower surface of one connecting steel plate (8), welding a plurality of connecting steel bars (9) on the upper surface of the connecting steel plate (8), penetrating the connecting steel bars (9) through laid nylon cloth, then pouring into the steel reinforcement cage, supporting the steel reinforcement cage on the connecting steel plate (8), and then pouring stone concrete, supporting wheels (7) are arranged below the blocking dam (4) for supporting, then in the step S8, a digging machine is used for cleaning the river bottom of an old river channel, then a supporting frame (10) is laid, when the blocking dam (4) rotates, the supporting wheels (7) are supported on the supporting frame (10) to move, or the supporting frame (10) is replaced by supporting piers, the blocking dam (4) is gradually moved while the supporting piers are gradually laid, and after the blocking dam (4) is moved, the bottom space is filled with gravels and sealed.
2. A river diversion method according to claim 1, wherein: in step S2, a plurality of nylon cloths were laid on both the inside and outside of the larsen steel sheet (1), and the nylon cloths were pressed with a stone to prevent them from floating.
3. A river diversion method according to claim 1, wherein: in step S5, a prefabricated cast-in-place pile may be inserted to replace the cast-in-place pillar (2) directly after the hole is punched.
4. A river diversion method according to claim 1, wherein: in step S6, the dam (4) is cast in an arc shape with both inner and outer sides being arc-shaped.
5. A construction structure applied to the river diversion method as set forth in claim 1, characterized in that: including wholly being convex dam (4), the one end of dam (4) is rotated and is connected on a vertical stand (2), the lower extreme of stand (2) inserts the river course bottom, dam (4) deviate from the one end an organic whole of stand (2) is provided with connecting piece (5), dam (4) bottom still is provided with connecting steel sheet (8), the last surface welding of connecting steel sheet (8) has many connecting reinforcement (9), connecting reinforcement (9) are pour in dam (4), the lower surface welding distribution of connecting steel sheet (8) has a plurality of supporting wheels (7), just the below of supporting wheel (7) still is provided with support frame (10), support frame (10) be with stand (2) are the arc in the centre of a circle, supporting wheel (7) support roll on support frame (10).
6. A construction structure according to claim 5, wherein: stand (2) with still be provided with iron sheet layer (3) between dam (4), iron sheet layer (3) are the tube-shape and the laminating surrounds stand (2).
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CN111560915B true CN111560915B (en) | 2021-07-13 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1076233A (en) * | 1992-03-05 | 1993-09-15 | 焦德军 | Rivers change its course, and river dredging and sand utilize method |
JP2001248132A (en) * | 2000-03-06 | 2001-09-14 | Shoji Matsushita | Flow guiding wall |
GB2379236A (en) * | 2001-08-30 | 2003-03-05 | George Edward Wadsworth | Flood control system incorporating a pipe network between a river and the sea |
KR100576133B1 (en) * | 2005-10-06 | 2006-05-03 | 한국기술개발 주식회사 | Block of prevention digging using bank of river |
KR20130090067A (en) * | 2012-02-03 | 2013-08-13 | 주식회사신화기공 | Laminar flow induction device of join pont of river and its tributary |
CN108914877A (en) * | 2018-06-25 | 2018-11-30 | 广东省建筑设计研究院 | A kind of bottom of gushing is regulated and stored the construction method of canal case |
CN109457660A (en) * | 2018-11-09 | 2019-03-12 | 于元良 | A kind of water conservancy construction method for retaining rainwater resource in small watershed river |
CN110904919A (en) * | 2019-10-30 | 2020-03-24 | 南昌工程学院 | Administer device of small-size river course absolutely kouxia creek |
-
2020
- 2020-05-21 CN CN202010433914.2A patent/CN111560915B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1076233A (en) * | 1992-03-05 | 1993-09-15 | 焦德军 | Rivers change its course, and river dredging and sand utilize method |
JP2001248132A (en) * | 2000-03-06 | 2001-09-14 | Shoji Matsushita | Flow guiding wall |
GB2379236A (en) * | 2001-08-30 | 2003-03-05 | George Edward Wadsworth | Flood control system incorporating a pipe network between a river and the sea |
KR100576133B1 (en) * | 2005-10-06 | 2006-05-03 | 한국기술개발 주식회사 | Block of prevention digging using bank of river |
KR20130090067A (en) * | 2012-02-03 | 2013-08-13 | 주식회사신화기공 | Laminar flow induction device of join pont of river and its tributary |
CN108914877A (en) * | 2018-06-25 | 2018-11-30 | 广东省建筑设计研究院 | A kind of bottom of gushing is regulated and stored the construction method of canal case |
CN109457660A (en) * | 2018-11-09 | 2019-03-12 | 于元良 | A kind of water conservancy construction method for retaining rainwater resource in small watershed river |
CN110904919A (en) * | 2019-10-30 | 2020-03-24 | 南昌工程学院 | Administer device of small-size river course absolutely kouxia creek |
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