CN108330903B - Narrow river retaining wall reinforcing device and reinforcing method - Google Patents
Narrow river retaining wall reinforcing device and reinforcing method Download PDFInfo
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- CN108330903B CN108330903B CN201810204822.XA CN201810204822A CN108330903B CN 108330903 B CN108330903 B CN 108330903B CN 201810204822 A CN201810204822 A CN 201810204822A CN 108330903 B CN108330903 B CN 108330903B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 239000004567 concrete Substances 0.000 claims abstract description 31
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 16
- 238000009415 formwork Methods 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005253 cladding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
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- Environmental & Geological Engineering (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Retaining Walls (AREA)
- Revetment (AREA)
Abstract
The invention relates to a narrow river retaining wall reinforcing device and a reinforcing method. The method comprises the following steps of S1: finishing the blanking of the H-shaped steel bottom beam and the H-shaped steel upright post, and manufacturing a plurality of U-shaped inverted portal frames; s2: digging a groove along a river bed; s3: hanging each U-shaped inverted portal frame to a corresponding position, so that the H-shaped steel bottom beams are positioned in corresponding grooves; s4: pouring along each groove to form a concrete encapsulation cladding H-shaped steel bottom beam, wherein the elevation of the top surface of the concrete encapsulation is the same as that of the river bed bottom; s5: welding reinforcing steel bars between adjacent H-shaped steel columns; s6: and (3) finishing reinforced concrete pouring to form a reinforced retaining wall to form encapsulation on the H-shaped steel upright post, and reserving a drain hole during pouring. The invention has the advantages of stable and reliable structure, long service life, convenient and safe construction and no influence on river flood and the original landscapes of river banks.
Description
Technical Field
The invention mainly relates to river channel retaining wall reinforcing technology, in particular to a narrow river channel retaining wall reinforcing device and a narrow river channel retaining wall reinforcing method.
Background
After the river course retaining wall is built and used for a plurality of years, the river course retaining wall is affected by foundation soaking subsidence and original construction quality, the reinforcing problem is generally faced, in order to ensure the retaining wall reinforcing effect, the conventional retaining wall reinforcing scheme generally needs to occupy a large area of river course, particularly under the condition that the section width of the river course is limited, the river course flood discharge capacity after the retaining wall is reinforced is greatly reduced, flood risk in flood season is increased, and life and property losses are easily caused to people on the river bank; on the other hand, the river course barricade consolidates the compression river course, changes great to the existing view effect in river course.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the narrow river retaining wall reinforcing device and the reinforcing method which have the advantages of stable and reliable structure, long service life, convenient and safe construction and no influence on river flood and the original landscapes of river banks.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a narrow river course barricade reinforcing apparatus, includes a plurality of U type inverted portal with river course width and high adaptation, and every U type inverted portal is arranged along the river course interval, and the bottom of every U type inverted portal buries the riverbed and is high with riverbed bottom elevation, and the both sides of every U type inverted portal are close to the old barricade of river course both sides, and every U type inverted portal is equipped with the reinforcement barricade of hugging closely with old barricade along both sides.
As a further improvement of the above technical scheme:
the U-shaped inverted portal frame comprises a base and H-shaped steel upright posts welded at two ends of the base, wherein the base is buried into a river bed and is high with the elevation of the bottom of the river bed, the notch of the H-shaped steel upright post of the adjacent U-shaped inverted portal frame is arranged oppositely, and the reinforced retaining wall is arranged along the H-shaped steel upright posts at two sides and encapsulates each H-shaped steel upright post.
The base comprises an H-shaped steel bottom beam and a concrete package, wherein the H-shaped steel bottom beam is connected with an H-shaped steel upright post in a welded mode, and the concrete package is coated outside the H-shaped steel bottom beam.
The reinforced retaining wall is a concrete wall, and the concrete wall is arranged along H-shaped steel upright posts on two sides and encapsulates each H-shaped steel upright post.
Reinforcing steel bars are welded between the H-shaped steel upright posts, and are positioned in the concrete wall.
And the reinforced retaining wall is provided with a drain hole communicated with the original drain hole of the old retaining wall.
A reinforcement method of a narrow river retaining wall reinforcement device is carried out by the narrow river retaining wall reinforcement device, and comprises the following steps:
s1: according to the width of the river channel and the height of the old retaining wall, blanking of the H-shaped steel bottom beams and the H-shaped steel upright posts is completed, and two H-shaped steel upright posts are welded at two ends of each H-shaped steel bottom beam to form a plurality of U-shaped inverted portal frames;
s2: setting arrangement intervals of the U-shaped inverted portals in a river channel, and excavating a plurality of grooves matched with the number of the U-shaped inverted portals along the river bed according to the set intervals;
s3: hanging each U-shaped inverted portal frame to a corresponding position, so that the H-shaped steel bottom beams are positioned in corresponding grooves;
s4: pouring concrete along each groove to form a concrete encapsulation coating H-shaped steel bottom beam, wherein the elevation of the top surface of the concrete encapsulation is the same as that of the river bed bottom;
s5: welding reinforcing steel bars between adjacent H-shaped steel columns;
s6: and (3) forming a reinforced retaining wall by pouring reinforced concrete by using the old retaining wall vertical mould, forming encapsulation on the H-shaped steel upright column by the reinforced retaining wall, and forming a drain hole communicated with the original drain hole of the old retaining wall during pouring.
Compared with the prior art, the invention has the advantages that:
according to the narrow river retaining wall reinforcing device, during construction, a plurality of U-shaped inverted frames are firstly manufactured according to the river channel width and the height of an old retaining wall, the arrangement space of the U-shaped inverted frames is set in a river channel, a plurality of grooves matched with the number of the U-shaped inverted frames are excavated along the river bed according to the set space, the U-shaped inverted frames are hung to corresponding positions, the bottoms of the U-shaped inverted frames are buried in the grooves and are at the same height as the bottom elevation of the river bed, the old retaining wall is used for standing, concrete pouring is completed to form a reinforcing retaining wall, and the reinforcing retaining wall encapsulates H-shaped steel columns. The U-shaped inverted portal frame is adopted as a pair of supporting systems for the river retaining wall reinforcement, the number of the U-shaped inverted portal frames can be flexibly selected according to the back load, the stress effect is good, and the structure is stable and reliable; the combined form of the U-shaped inverted portal frame and the reinforced retaining wall ensures that the whole structure has excellent durability and can greatly improve the service life; the groove is dug only on the premise of locally disturbing the old retaining wall foundation, the bottom of the U-shaped inverted portal is buried into the river bed and is at the same elevation as the river bed bottom, compared with the conventional reinforcement scheme, the method has the advantages that the old retaining wall foundation is dug through a long way to cause the unstable collapse of the old retaining wall, and the construction safety is ensured; the combined form of the U-shaped inverted portal frame and the reinforced retaining wall reduces the cross section size of the whole structure on the premise of enhancing the stress performance, solves the problem that the conventional retaining wall reinforcing scheme needs to occupy the river cross section in a large area, and reduces the influence on river flood to the minimum; the U-shaped inverted portal 1 reinforcement scheme is equivalent to only increasing the thickness of the old retaining wall, the reinforced river bank has no obvious change, and the original landscape effect of the river bank can be maintained. The narrow river retaining wall reinforcing method is carried out by the narrow river retaining wall reinforcing device, so that the narrow river retaining wall reinforcing device has the corresponding technical effects.
Drawings
Fig. 1 is a schematic perspective view of a retaining wall reinforcing apparatus for a narrow river in accordance with the present invention.
Fig. 2 is a schematic top view of the retaining wall reinforcement device for narrow river in the present invention.
Fig. 3 is a schematic front view of the retaining wall reinforcing apparatus for narrow river (before casting).
Fig. 4 is a schematic view of a front cross-sectional structure of the retaining wall reinforcing device for a narrow river of the present invention.
Fig. 5 is a schematic cross-sectional view of a reinforced retaining wall in the narrow river retaining wall reinforcing apparatus of the present invention.
Fig. 6 is a schematic cross-sectional view of a base in the retaining wall reinforcing device for a narrow river of the present invention.
The reference numerals in the drawings denote:
1. a U-shaped inverted portal frame; 11. a base; 111. h-shaped steel bottom beams; 112. concrete encapsulation; 12. h-shaped steel upright posts; 2. reinforcing the retaining wall; 21. a drain hole; 3. reinforcing steel bars.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
Fig. 1 to 6 show an embodiment of the narrow river retaining wall reinforcing device of the present invention, which comprises a plurality of U-shaped inverted girders 1 adapted to the width and height of the river, wherein each U-shaped inverted girder 1 is arranged at intervals along the river, the bottom of each U-shaped inverted girder 1 is embedded into the river bed and is at the same elevation as the river bed bottom, two sides of each U-shaped inverted girder 1 are close to old retaining walls on two sides of the river, and each U-shaped inverted girder 1 is provided with reinforcing retaining walls 2 closely attached to the old retaining walls along two sides. During construction, a plurality of U-shaped inverted portals 1 are firstly manufactured according to the width of a river channel and the height of an old retaining wall, the arrangement space of each U-shaped inverted portal 1 is set in the river channel, a plurality of grooves matched with the U-shaped inverted portals 1 in number are excavated along the river bed according to the set space, each U-shaped inverted portal 1 is hoisted to the corresponding position, the bottoms of the U-shaped inverted portals 1 are buried in the grooves and are at the same height with the elevation of the river bed bottom, the old retaining wall is used for erecting a mould, concrete pouring is completed to form a reinforced retaining wall 2, and the reinforced retaining wall 2 encapsulates H-shaped steel upright columns 12. The pair of the U-shaped inverted portal frames 1 is adopted as a river retaining wall reinforcing body, the number of the U-shaped inverted portal frames 1 can be flexibly selected according to the back load, the stress effect is good, and the structure is stable and reliable; the combined form of the U-shaped inverted portal frame 1 and the reinforced retaining wall 2 ensures that the whole structure has excellent durability, and the service life can be greatly prolonged; the groove is dug only on the premise of locally disturbing the old retaining wall foundation, the bottom of the U-shaped inverted portal 1 is buried into the river bed and is at the same elevation as the river bed bottom, compared with the conventional reinforcement scheme, the method has the advantages that the old retaining wall foundation is dug through a long way to cause the unstable collapse of the old retaining wall, and the construction safety is ensured; the combined form of the U-shaped inverted portal frame 1 and the reinforced retaining wall 2 reduces the cross section size of the whole structure on the premise of enhancing the stress performance, solves the problem that the conventional retaining wall reinforcing scheme needs to occupy the river cross section in a large area, and reduces the influence on river flood to the minimum; the U-shaped inverted portal 1 reinforcement scheme is equivalent to only increasing the thickness of the old retaining wall, the reinforced river bank has no obvious change, and the original landscape effect of the river bank can be maintained.
In this embodiment, the U-shaped inverted portal 1 includes a base 11 and H-shaped steel columns 12 welded at two ends of the base 11, the base 11 is embedded into a river bed and is at the same height as the elevation of the bottom of the river bed, the notches of the H-shaped steel columns 12 of adjacent U-shaped inverted portal 1 are arranged opposite to each other, and the reinforced retaining wall 2 is arranged along the H-shaped steel columns 12 at two sides and encapsulates each H-shaped steel column 12. In this structure, H shaped steel stand 12 notch sets up relatively, and when the construction consolidates barricade 2, H shaped steel stand 12 notch forms stronger setting power with consolidate barricade 2, and the encapsulation structure is cooperated again, improves the intensity and the stability of consolidate barricade 2 greatly.
In this embodiment, the base 11 includes an H-shaped steel bottom beam 111 and a concrete package 112, where the H-shaped steel bottom beam 111 is welded to the H-shaped steel upright 12, and the concrete package 112 is wrapped around the H-shaped steel bottom beam 111. In the structure, the H-shaped steel bottom beam 111 is easy to form welding with the H-shaped steel upright post 12, and the concrete encapsulation 112 is used for coating the H-shaped steel bottom beam 111, so that the counterweight can be added, and the stability of the whole structure is further improved.
In this embodiment, the reinforced retaining wall 2 is configured as a concrete wall, and the concrete wall is configured along the H-shaped steel columns 12 on both sides and encloses each H-shaped steel column 12. The structural form of the steel frame concrete wall is adopted, so that the integral structure has excellent durability, the service life can be greatly prolonged, the cross section size of the integral structure is reduced on the premise of enhancing the stress performance, the problem that the conventional retaining wall reinforcement scheme needs to occupy a large area of river sections is solved, and the influence on river flood discharge is reduced to the minimum.
In this embodiment, reinforcing steel bars 3 are welded between the H-shaped steel columns 12, and the reinforcing steel bars 3 are located in the concrete wall. The provision of the reinforcing steel bars 3 further improves the strength of the reinforced retaining wall 2.
In this embodiment, the reinforced retaining wall 2 is provided with a drain hole 21 which is communicated with the original drain hole of the old retaining wall. The drain holes 21 are provided for draining the river bank to prevent water accumulation on the river bank.
Fig. 1 to 6 show an embodiment of a method for reinforcing a narrow river retaining wall according to the present invention, which is performed by the above-mentioned narrow river retaining wall reinforcing device, and includes the following steps:
s1: according to the width of a river channel and the height of an old retaining wall, blanking of the H-shaped steel bottom beams 111 and the H-shaped steel upright posts 12 is completed, and two H-shaped steel upright posts 12 are welded at two ends of each H-shaped steel bottom beam 111 to form a plurality of U-shaped inverted portal frames 1;
s2: setting arrangement intervals of the U-shaped inverted portals 1 in a river channel, and excavating a plurality of grooves matched with the U-shaped inverted portals 1 in number along the river bed according to the set intervals;
s3: lifting each U-shaped inverted portal 1 to a corresponding position, and positioning the H-shaped steel bottom beams 111 in corresponding grooves;
s4: pouring concrete along each groove to form a concrete package 112 to cover the H-shaped steel bottom beam 111, wherein the elevation of the top surface of the concrete package 112 is the same as that of the river bed bottom;
s5: welding reinforcing steel bars 3 between adjacent H-shaped steel columns 12;
s6: and (3) by means of the old retaining wall formwork erection, the reinforced retaining wall 2 is formed by completing reinforced concrete pouring, the reinforced retaining wall 2 forms encapsulation on the H-shaped steel upright posts 12, and the drain holes 21 communicated with the original drain holes of the old retaining wall are formed during pouring.
By adopting the method, the pair of support systems of the U-shaped inverted portal frames 1 is used as the reinforcing body of the river retaining wall, the number of the U-shaped inverted portal frames 1 can be flexibly selected according to the back load, the stress effect is good, and the structure is stable and reliable; the combined form of the U-shaped inverted portal frame 1 and the reinforced retaining wall 2 ensures that the whole structure has excellent durability, and the service life can be greatly prolonged; the groove is dug only on the premise of locally disturbing the old retaining wall foundation, the bottom of the U-shaped inverted portal 1 is buried into the river bed and is at the same elevation as the river bed bottom, compared with the conventional reinforcement scheme, the method has the advantages that the old retaining wall foundation is dug through a long way to cause the unstable collapse of the old retaining wall, and the construction safety is ensured; the combined form of the U-shaped inverted portal frame 1 and the reinforced retaining wall 2 reduces the cross section size of the whole structure on the premise of enhancing the stress performance, solves the problem that the conventional retaining wall reinforcing scheme needs to occupy the river cross section in a large area, and reduces the influence on river flood discharge to the minimum.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. A narrow river course barricade reinforcing apparatus, its characterized in that: the river bed is buried in the bottom of each U-shaped inverted portal (1) and is high with the elevation at the bottom of the river bed, the two sides of each U-shaped inverted portal (1) are close to old retaining walls on two sides of the river channel, and the two sides of each U-shaped inverted portal (1) are provided with reinforced retaining walls (2) which are clung to the old retaining walls.
2. The narrow river course retaining wall reinforcing apparatus of claim 1, wherein: the U-shaped inverted portal frame (1) comprises a base (11) and H-shaped steel upright posts (12) welded at two ends of the base (11), wherein the base (11) is buried into a river bed and is high with the elevation of the bottom of the river bed, the notch of the H-shaped steel upright posts (12) of the adjacent U-shaped inverted portal frame (1) is arranged oppositely, and the reinforced retaining wall (2) is arranged along the H-shaped steel upright posts (12) at two sides and encapsulates each H-shaped steel upright post (12).
3. The narrow river course retaining wall reinforcing apparatus of claim 2, wherein: the base (11) comprises an H-shaped steel bottom beam (111) and a concrete package (112), wherein the H-shaped steel bottom beam (111) is connected with the H-shaped steel upright column (12) in a welding mode, and the concrete package (112) is coated outside the H-shaped steel bottom beam (111).
4. The narrow-river retaining wall reinforcing apparatus according to claim 3, wherein: the reinforced retaining wall (2) is a concrete wall, and the concrete wall is arranged along H-shaped steel upright posts (12) on two sides and encapsulates each H-shaped steel upright post (12).
5. The narrow river course retaining wall reinforcing apparatus of claim 4, wherein: reinforcing steel bars (3) are welded between the H-shaped steel upright posts (12), and the reinforcing steel bars (3) are positioned in the concrete wall.
6. The narrow-river retaining wall reinforcing apparatus according to claim 5, wherein: and the reinforced retaining wall (2) is provided with a drain hole (21) communicated with the original drain hole of the old retaining wall.
7. A reinforcement method of a narrow river retaining wall reinforcement device, characterized in that the reinforcement method is performed by the narrow river retaining wall reinforcement device according to claim 5, comprising the steps of:
s1: according to the river channel width and the height of the old retaining wall, blanking of the H-shaped steel bottom beams (111) and the H-shaped steel upright posts (12) is completed, and two H-shaped steel upright posts (12) are welded at two ends of each H-shaped steel bottom beam (111) to form a plurality of U-shaped inverted portal frames (1);
s2: setting arrangement intervals of the U-shaped inverted portals (1) in a river channel, and excavating a plurality of grooves matched with the U-shaped inverted portals (1) in number along the river bed according to the set intervals;
s3: lifting each U-shaped inverted portal (1) to a corresponding position, so that the H-shaped steel bottom beams (111) are positioned in corresponding grooves;
s4: pouring concrete along each groove to form a concrete package (112) to cover the H-shaped steel bottom beam (111), wherein the elevation of the top surface of the concrete package (112) is the same as that of the riverbed bottom;
s5: welding reinforcing steel bars (3) between adjacent H-shaped steel columns (12);
s6: and (3) forming a reinforced retaining wall (2) by pouring reinforced concrete by using the old retaining wall formwork, encapsulating the H-shaped steel upright posts (12) by the reinforced retaining wall (2), and forming a drain hole (21) communicated with the original drain hole of the old retaining wall during pouring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810204822.XA CN108330903B (en) | 2018-03-13 | 2018-03-13 | Narrow river retaining wall reinforcing device and reinforcing method |
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| CN201810204822.XA CN108330903B (en) | 2018-03-13 | 2018-03-13 | Narrow river retaining wall reinforcing device and reinforcing method |
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| CN108330903A CN108330903A (en) | 2018-07-27 |
| CN108330903B true CN108330903B (en) | 2023-07-07 |
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| CN112942411A (en) * | 2021-02-04 | 2021-06-11 | 中国水利水电建设工程咨询渤海有限公司 | Reinforcing construction method for dredging retaining wall of urban landscape river |
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|---|---|---|---|---|
| CN204401557U (en) * | 2014-11-26 | 2015-06-17 | 上海勘测设计研究院有限公司 | The vertical bank protection structure of a kind of Novel direct |
| CN105714633A (en) * | 2016-02-05 | 2016-06-29 | 中国土木工程集团有限公司 | U-shaped retaining structure for fill subgrade and construction method of U-shaped retaining structure |
| CN205858396U (en) * | 2016-08-20 | 2017-01-04 | 枣庄矿业（集团）有限责任公司滨湖煤矿 | A kind of fully-mechanized mining working surface hydraulic support assembly platform |
| CN106638673A (en) * | 2016-09-22 | 2017-05-10 | 石家庄铁道大学 | Construction method of combined supporting and retaining structure |
| CN208136828U (en) * | 2018-03-13 | 2018-11-23 | 中铁十二局集团第七工程有限公司 | Narrow river Retaining Wall Reinforcement device |
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2018
- 2018-03-13 CN CN201810204822.XA patent/CN108330903B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204401557U (en) * | 2014-11-26 | 2015-06-17 | 上海勘测设计研究院有限公司 | The vertical bank protection structure of a kind of Novel direct |
| CN105714633A (en) * | 2016-02-05 | 2016-06-29 | 中国土木工程集团有限公司 | U-shaped retaining structure for fill subgrade and construction method of U-shaped retaining structure |
| CN205858396U (en) * | 2016-08-20 | 2017-01-04 | 枣庄矿业（集团）有限责任公司滨湖煤矿 | A kind of fully-mechanized mining working surface hydraulic support assembly platform |
| CN106638673A (en) * | 2016-09-22 | 2017-05-10 | 石家庄铁道大学 | Construction method of combined supporting and retaining structure |
| CN208136828U (en) * | 2018-03-13 | 2018-11-23 | 中铁十二局集团第七工程有限公司 | Narrow river Retaining Wall Reinforcement device |
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