CN115094744B - Aqueduct structure for improving flow capacity of large aqueduct - Google Patents
Aqueduct structure for improving flow capacity of large aqueduct Download PDFInfo
- Publication number
- CN115094744B CN115094744B CN202210869065.4A CN202210869065A CN115094744B CN 115094744 B CN115094744 B CN 115094744B CN 202210869065 A CN202210869065 A CN 202210869065A CN 115094744 B CN115094744 B CN 115094744B
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- steel plate
- aqueduct
- upper steel
- exhaust pipe
- water flow
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 124
- 239000010959 steel Substances 0.000 claims abstract description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/005—Canals entirely situated above ground level, e.g. on piers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
本发明公开一种提升大型渡槽过流能力的渡槽结构，渡槽结构包括多个沿水流方向衔接的渡槽，每个渡槽上沿水流方向均间隔设置有多个拉杆，还包括：上钢板，上钢板沿水流方向通铺于拉杆顶面，且其平行于水流方向的两侧边与渡槽顶面紧密贴合；下钢板，下钢板沿水流方向通铺于拉杆底面，并通过紧固组件与上钢板固定连接，下钢板平行于水流方向的两侧边与渡槽内侧壁紧密贴合；以及多个排气管，排气管沿水流方向间隔布置，排气管贯穿上钢板和下钢板并与之固定连接，用于连通渡槽内部和外部环境。本发明将渡槽结构变成“低有压流”结构，避免了对原渡槽混凝土结构进行破坏，显著提升大型渡槽的过流能力。
The present invention discloses an aqueduct structure for improving the flow capacity of a large aqueduct, the aqueduct structure includes a plurality of aqueducts connected along the water flow direction, a plurality of tie rods are arranged at intervals on each aqueduct along the water flow direction, and also includes: an upper steel plate, the upper steel plate is laid on the top surface of the tie rod along the water flow direction, and its two side edges parallel to the water flow direction are closely fitted with the top surface of the aqueduct; a lower steel plate, the lower steel plate is laid on the bottom surface of the tie rod along the water flow direction, and is fixedly connected to the upper steel plate through a fastening assembly, and the two side edges of the lower steel plate parallel to the water flow direction are closely fitted with the inner side wall of the aqueduct; and a plurality of exhaust pipes, the exhaust pipes are arranged at intervals along the water flow direction, the exhaust pipes penetrate the upper steel plate and the lower steel plate and are fixedly connected thereto, and are used to connect the internal and external environments of the aqueduct. The present invention transforms the aqueduct structure into a "low pressure flow" structure, avoids damage to the original aqueduct concrete structure, and significantly improves the flow capacity of the large aqueduct.
Description
Technical Field
The invention relates to the technical field of large-scale aqueduct structure optimization, in particular to an aqueduct structure for improving the overcurrent capacity of a large-scale aqueduct.
Background
The water resources of China are very unbalanced in regional distribution, so that the development of each place is balanced for reasonably allocating the water resources, a plurality of river basin-crossing water diversion projects are rapidly developed, and a plurality of large-scale water diversion projects have been established in China since the 21 st century. With the increase of the operational years, the water demand of urban water supply scale, agricultural irrigation water consumption, ecological water supplement and the like can be greatly changed, and the water demand of construction period, social economy and other conditions are restricted, so that the original design water delivery scale can not meet the new water demand. The water delivery building comprises a water diversion tunnel, a water delivery pipeline, a channel, a aqueduct, a culvert and the like. The aqueduct is a key water delivery building connected with water delivery channels and crossing rivers, valleys and roads, and the overflow capacity of the aqueduct directly determines the water delivery capacity of water regulating engineering, so that the improvement of the overflow capacity of the aqueduct is a key point for increasing the water delivery scale.
At present, aiming at the aqueduct with insufficient water cross section, main engineering measures for improving the flow capacity of the aqueduct mainly comprise optimizing the inlet and outlet water flow conditions of the aqueduct, coating the flow surface with a rough material, optimizing the structural style of the aqueduct and increasing the flow passage. The method optimizes the water flow conditions at the inlet and outlet of the aqueduct, and mainly aims to improve the overflow condition, reduce the local head loss, eliminate the water flow from beating the top pull rod, and improve the overflow capacity obviously. Brushing the flow surface with the roughening-reducing material can reduce the head loss along the way to a certain extent to increase the flow capacity, but cannot greatly increase the flow capacity. Optimizing the aqueduct structural style includes adding steel sheet, heightening side wall and raising top pull rod on the aqueduct, generally dismantling the aqueduct part structure, producing adverse effect on durability and operation safety of large-scale aqueduct, and improving degree of overcurrent capacity is limited. The problem of improvement of the overcurrent capacity can be solved once and for all by adding the overcurrent channel, but the arrangement of the original project can be adjusted, the method is not suitable for the water diversion project with high water supply guarantee rate, the project investment cost can be greatly increased, and the method has no economy.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an aqueduct structure for improving the overcurrent capacity of a large aqueduct. According to the invention, two layers of steel plates are arranged on the bottom surface of the aqueduct pull rod and the top surface of the aqueduct, and waterproof materials are arranged between the steel plates and the aqueduct concrete structure for seepage prevention, so that the aqueduct structure is changed into a low-pressure flow structure. The method solves the problems that the concrete structure of the original aqueduct is damaged by adopting the traditional engineering measures, the degree of improvement on the overcurrent capacity is not obvious, the structure is inconvenient to disassemble and maintain, and the engineering investment is greatly increased by adopting the engineering measures of a newly built channel.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The utility model provides a promote aqueduct structure of large-scale aqueduct overflow ability, the aqueduct structure includes a plurality of aqueducts that link up along the rivers direction, every along equal interval of rivers direction being provided with a plurality of pull rods on the aqueduct, still include:
The upper steel plate is paved on the top surface of the pull rod along the water flow direction, and two side edges parallel to the water flow direction are tightly attached to the top surface of the aqueduct;
The lower steel plate is paved on the bottom surface of the pull rod along the water flow direction and is fixedly connected with the upper steel plate through a fastening assembly, and two side edges of the lower steel plate, which are parallel to the water flow direction, are tightly attached to the inner side wall of the aqueduct;
And the exhaust pipes are arranged at intervals along the water flow direction, penetrate through the upper steel plate and the lower steel plate and are fixedly connected with the upper steel plate and the lower steel plate, and are used for communicating the interior of the aqueduct with the external environment.
The upper steel plate is arranged on the top surface of the adjacent pull rod, an opening for the exhaust pipe to pass through is formed in the upper steel plate of the exhaust pipe, an opening for the exhaust pipe to pass through is formed in the lower steel plate of the exhaust pipe, the standard upper steel plate is arranged on the top surface of the adjacent pull rod, and the standard lower steel plate is correspondingly arranged below the standard upper steel plate and is fixedly connected with the standard upper steel plate.
Preferably, the two sides of the lower steel plate parallel to the water flow direction extend downwards to form an extension part which can be attached to the inner side wall of the aqueduct, and a supporting rod for providing an outward compression extension part is connected between the two extension parts.
Preferably, the fastening assembly comprises a fixing bolt and a fixing nut, and an upper fixing gasket and a lower fixing gasket are respectively arranged on the fastening assembly and the mounting surfaces of the upper steel plate and the lower steel plate.
Preferably, the contact surfaces of the upper steel plate and the lower steel plate with the aqueduct are provided with waterproof materials.
Preferably, two side edges of the upper steel plate parallel to the water flow direction are lapped on the top surface of the aqueduct.
Preferably, the top elevation of the exhaust pipe is higher than the top elevation of the upper steel plate.
Preferably, the bottom end of the exhaust pipe is flush with the bottom surface of the lower steel plate, so that the exhaust pipe is prevented from disturbing water flow.
Compared with the prior art, the invention has the following advantages:
According to the invention, two layers of steel plates are arranged on the bottom surface of the aqueduct pull rod and the top surface of the aqueduct, an exhaust pipe with a certain height is arranged to be connected with the steel plate on the bottom surface of the pull rod, the steel plate on the bottom surface of the pull rod is fixed with the steel plate on the top surface of the aqueduct through bolts, and waterproof materials are arranged between the steel plate and the concrete structure of the aqueduct for seepage prevention. When the overflow flow of the aqueduct is greatly improved, the water level at the inlet of the aqueduct is higher than the full water level of the aqueduct, the height of the exhaust pipe can be adjusted according to the water delivery level due to the existence of the upper steel plate, the lower steel plate and the exhaust pipe, the aqueduct structure is changed into a low-pressure flow structure, the exhaust pipe can supplement air to water flow in real time, and cavitation damage of the water flow to the aqueduct structure is reduced. By adopting the structural arrangement, the original aqueduct concrete structure is prevented from being damaged, the structure is convenient to mount and dismount, the high operability and good economical efficiency are realized, and the most critical is that the overcurrent capacity of the large aqueduct can be timely improved according to the requirements.
Drawings
FIG. 1 is a top view of a aqueduct structure of the present invention;
FIG. 2 is a cross-sectional view taken along line 1-1 of FIG. 1;
FIG. 3 is a cross-sectional view taken along line 2-2 of FIG. 1;
FIG. 4 is a cross-sectional view taken along line 3-3 of FIG. 1;
FIG. 5 is a large sample of FIG. 2A;
FIG. 6 is a large sample of the B pattern of FIG. 3;
fig. 7 is a large view of fig. 4C.
The drawing comprises a aqueduct, a pull rod, a 3 upper steel plate, a 31 structural seam upper steel plate, a 32 exhaust pipe upper steel plate, a 33 standard upper steel plate, a 4 lower steel plate, a 41 structural seam lower steel plate, a 42 exhaust pipe lower steel plate, a 43 standard lower steel plate, a 44, an extension part, a 5, an exhaust pipe, a 6, a support rod, a 7, a waterproof material, an 8, a fastening component, an 81, a fixing bolt, an 82, a fixing nut, an 83, an upper fixing gasket, an 84, a lower fixing gasket, a 9 and a structural seam.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, a preferred embodiment of the present invention will be described below with reference to specific examples, but it should be understood that the drawings are only for illustrating and not to be construed as limiting the present patent, that for better illustrating the examples, certain components of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product, and that certain well-known structures in the drawings and descriptions thereof may be omitted to those skilled in the art. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
As shown in fig. 1 and 2, the invention provides an aqueduct structure for improving the overflow capacity of a large aqueduct, which comprises a plurality of aqueducts 1 connected along the water flow direction, wherein a plurality of pull rods 2 are arranged on each aqueduct 1 at intervals along the water flow direction, and further comprises an upper steel plate 3, a lower steel plate 4 and an exhaust pipe 5.
As shown in fig. 1,2 and 5, structural slits 9 are provided between adjacent aqueducts 1. The upper steel plate 3 is spread on the top surface of the pull rod 2 along the water flow direction, and consists of a structural joint upper steel plate 31, an exhaust pipe upper steel plate 32 and a standard upper steel plate 33. The lower steel plate 4 is spread on the bottom surface of the pull rod 2 along the water flow direction, and consists of a structural joint lower steel plate 41, an exhaust pipe lower steel plate 42 and a standard lower steel plate 43. The structural seam upper steel plate 31 is arranged above the structural seam 9 between the adjacent aqueducts 1, two side plates perpendicular to the water flow direction of the structural seam upper steel plate are respectively lapped on the pull rods 2 of the adjacent two aqueducts 1, and correspondingly the structural seam lower steel plate 41 is correspondingly arranged below the structural seam upper steel plate 31 and fixedly connected with the structural seam upper steel plate through the fastening components 8. The upper steel plate 32 of the exhaust pipe is arranged on the top surface of the adjacent pull rod 2, the upper steel plate 32 of the exhaust pipe is provided with an opening for the exhaust pipe 5 to pass through, correspondingly, the lower steel plate 42 of the exhaust pipe is correspondingly arranged below the upper steel plate 32 of the exhaust pipe and is fixedly connected with the lower steel plate through the fastening component 8, the lower steel plate 42 of the exhaust pipe is provided with an opening for the exhaust pipe 5 to pass through, the standard upper steel plate 33 is arranged on the top surface of the adjacent pull rod 2, and correspondingly, the lower steel plate 43 of the standard upper steel plate 33 is correspondingly arranged below the standard upper steel plate 33 and is fixedly connected with the standard upper steel plate through the fastening component 8.
As shown in fig. 4 and 7, two side edges of the upper steel plate 3 parallel to the water flow direction are lapped on the top surface of the aqueduct 1, and a waterproof material 7 is arranged between the upper steel plate 3 and the top surface of the aqueduct 1, and the waterproof material 7 plays a role in leveling water, so that the upper steel plate 3 and the concrete structure of the aqueduct 1 are tightly connected.
As shown in fig. 6, two side edges of the lower steel plate 4 parallel to the water flow direction extend downwards to form an extension part 44 which can be attached to the inner side wall of the aqueduct 1, a supporting rod 6 for providing outward compression of the extension part 44 is connected between the two extension parts 44, a waterproof material 7 is arranged between the extension part 44 and the inner side wall of the aqueduct 1, and tight connection between the lower steel plate 4 and the concrete structure of the aqueduct 1 is ensured.
As shown in fig. 3 and 5, a plurality of exhaust pipes 5 are arranged at intervals in the water flow direction, and the exhaust pipes 5 penetrate through and are fixedly connected with the upper steel plate 3 and the lower steel plate 4 for communicating the interior of the aqueduct 1 with the external environment. The top elevation of the exhaust pipe 5 is required to be higher than the top elevation of the upper steel plate 3. The bottom end and the lower part of the exhaust pipe 5 the bottom surface of the steel plate 4 is flush.
As shown in fig. 6, the fastening assembly 8 includes a fixing bolt 81 and a fixing nut 82, and an upper fixing spacer 83 and a lower fixing spacer 84 are provided on the mounting surfaces of the fastening assembly 8 and the upper steel plate 3 and the lower steel plate 4, respectively, and the upper fixing spacer 83 and the lower fixing spacer 84 should have a certain seepage resistance.
The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-described specific embodiment. Modifications, additions, or substitutions are possible, without departing from the scope of the invention as disclosed in the accompanying claims.
Claims (4)
1. Promote aqueduct structure of large-scale aqueduct overflow ability, aqueduct (1) structure includes a plurality of aqueducts (1) that link up along the rivers direction, every equal interval in rivers direction is provided with a plurality of pull rods (2) on aqueduct (1), its characterized in that still includes:
the upper steel plate (3) is paved on the top surface of the pull rod (2) along the water flow direction, and two side edges parallel to the water flow direction are tightly attached to the top surface of the aqueduct (1);
The lower steel plate (4) is paved on the bottom surface of the pull rod (2) along the water flow direction and is fixedly connected with the upper steel plate (3) through a fastening assembly (8), and two side edges of the lower steel plate (4) parallel to the water flow direction are tightly attached to the inner side wall of the aqueduct (1);
The exhaust pipes (5) are arranged at intervals along the water flow direction, and the exhaust pipes (5) penetrate through the upper steel plate (3) and the lower steel plate (4) and are fixedly connected with the upper steel plate and the lower steel plate, so as to be used for communicating the interior of the aqueduct (1) with the external environment;
The upper steel plate (3) consists of a structural joint upper steel plate (31), an exhaust pipe upper steel plate (32) and a standard upper steel plate (33), the lower steel plate (4) consists of a structural joint lower steel plate (41), an exhaust pipe lower steel plate (42) and a standard lower steel plate (43), the structural joint upper steel plate (31) is arranged above the structural joint (9) between adjacent aqueducts (1), the structural joint lower steel plate (41) is correspondingly arranged below the structural joint upper steel plate (31) and fixedly connected with the structural joint upper steel plate, the exhaust pipe upper steel plate (32) is arranged on the top surface of the adjacent pull rod (2), an opening for the exhaust pipe (5) to pass through is formed in the exhaust pipe upper steel plate (32), the exhaust pipe lower steel plate (42) is correspondingly arranged below the exhaust pipe upper steel plate (32) and fixedly connected with the exhaust pipe upper steel plate, and an opening for the exhaust pipe (5) to pass through is formed in the exhaust pipe lower steel plate (42), the standard upper steel plate (33) is correspondingly arranged on the top surface of the adjacent pull rod (2) and fixedly connected with the standard steel plate (33);
The two sides of the lower steel plate (4) parallel to the water flow direction are downwards extended to form extension parts (44) which can be attached to the inner side wall of the aqueduct (1), a supporting rod (6) for providing outwards compacting the extension parts (44) is connected between the two extension parts (44), waterproof materials (7) are arranged on the contact surfaces of the upper steel plate (3) and the lower steel plate (4) and the aqueduct (1), the top elevation of the exhaust pipe (5) is required to be higher than the top elevation of the upper steel plate (3), when the flow rate of the aqueduct is greatly increased, the inlet water level of the aqueduct is higher than the full water level of the aqueduct, and due to the existence of the upper steel plate, the lower steel plate and the exhaust pipe, the height of the exhaust pipe can be adjusted according to the water transmission water level, the aqueduct structure is changed into a low-pressure flow structure, the exhaust pipe can supplement air to water flow in real time, and cavitation damage to the aqueduct structure is reduced.
2. The aqueduct structure for improving the overcurrent capacity of the large aqueduct according to claim 1, wherein the fastening assembly (8) comprises a fixing bolt (81) and a fixing nut (82), and an upper fixing gasket (83) and a lower fixing gasket (84) are respectively arranged on the installation surfaces of the fastening assembly (8) and the upper steel plate (3) and the lower steel plate (4).
3. The aqueduct structure for improving the overflow capacity of the large aqueduct according to claim 1, wherein the two side edges of the upper steel plate (3) parallel to the water flow direction are lapped on the top surface of the aqueduct (1).
4. The aqueduct structure for improving the overcurrent capacity of the large aqueduct according to claim 1, wherein the bottom end of the exhaust pipe (5) is flush with the bottom surface of the lower steel plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210869065.4A CN115094744B (en) | 2022-07-22 | 2022-07-22 | Aqueduct structure for improving flow capacity of large aqueduct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210869065.4A CN115094744B (en) | 2022-07-22 | 2022-07-22 | Aqueduct structure for improving flow capacity of large aqueduct |
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| CN115094744A CN115094744A (en) | 2022-09-23 |
| CN115094744B true CN115094744B (en) | 2024-12-20 |
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| CN116180562B (en) * | 2022-12-23 | 2025-10-31 | 云南省滇中引水工程有限公司 | Large-section aqueduct transverse earthquake self-induction tuning damping system and installation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453650A (en) * | 2019-07-02 | 2019-11-15 | 北京质诚捷讯水利工程有限公司 | A kind of aqueduct water sealing structure and its construction method |
| CN111576348A (en) * | 2020-06-11 | 2020-08-25 | 浙江世润建创科技发展有限公司 | Aqueduct formwork system supported on Bailey beam and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101126658B1 (en) * | 2011-06-30 | 2012-03-29 | 이예순 | Assembly type of structure for drainage and construction method using the same |
| CN205875092U (en) * | 2016-08-10 | 2017-01-11 | 河南省水利勘测设计研究有限公司 | Arc foot rectangular cross section simple beam formula aqueduct |
| CN209873746U (en) * | 2019-04-15 | 2019-12-31 | 广东省水利电力勘测设计研究院 | Water stopping structure of high-water-pressure water conveying tunnel structural joint |
| CN110273357A (en) * | 2019-07-02 | 2019-09-24 | 湖北省水利水电规划勘测设计院 | A kind of water delivery aqueduct sealing leakage preventing structure and its construction method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453650A (en) * | 2019-07-02 | 2019-11-15 | 北京质诚捷讯水利工程有限公司 | A kind of aqueduct water sealing structure and its construction method |
| CN111576348A (en) * | 2020-06-11 | 2020-08-25 | 浙江世润建创科技发展有限公司 | Aqueduct formwork system supported on Bailey beam and construction method |
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