CN114481937A - Building facility for comprehensive prevention and control of seawater intrusion and building facility configuration method - Google Patents
Building facility for comprehensive prevention and control of seawater intrusion and building facility configuration method Download PDFInfo
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- CN114481937A CN114481937A CN202210198490.5A CN202210198490A CN114481937A CN 114481937 A CN114481937 A CN 114481937A CN 202210198490 A CN202210198490 A CN 202210198490A CN 114481937 A CN114481937 A CN 114481937A
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- 239000013535 sea water Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000002265 prevention Effects 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000010276 construction Methods 0.000 claims description 39
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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
- E02B3/02—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
- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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Abstract
The present disclosure provides a method for configuring building facilities for integrated control of seawater intrusion, comprising: dividing a target water flow channel into a plurality of flow sections according to the water flow direction; and arranging corresponding prevention and control building facilities at each flow section so as to at least slow down the invasion speed and/or flow of the seawater. The present disclosure also provides a building facility for comprehensive control of seawater intrusion.
Description
Technical Field
The disclosure relates to the technical field of groundwater pollution control, in particular to a building facility for comprehensive seawater intrusion control and a building facility configuration method.
Background
Under natural conditions, surface runoff and subsurface runoff are discharged to the ocean, which is a place for receiving discharge of land surface fresh water runoff and fresh water aquifers. Since the density of seawater is greater than that of fresh water, a portion of seawater must move to the land. A zone of contact must be formed between the relatively low specific gravity fresh water flowing to the sea and the relatively high specific gravity seawater downstream. In a natural state, the salt-fresh water interface maintains dynamic balance due to the fluctuation of the inflow runoff of the earth surface or the underground, and is in a relatively stable state. The seawater upstream of the estuary region or the groundwater dynamic conditions of the coastal aquifer change, so that the original balance of the salt water is broken, the high salinity salt water is caused to move to the fresh water body on the land or the fresh water aquifer, the interface is propelled to the inland direction until a new balance is established, and the invasion process and the phenomenon are seawater invasion. Through the exploration and practice for many years, the engineering and the technology for preventing and controlling seawater intrusion have formed the technologies of open source throttling engineering, damp dike engineering, groundwater recharge engineering, fresh water curtain engineering, estuary underground dam engineering, intertidal zone salt pumping culture engineering, micro-salt water comprehensive utilization and the like.
The existing seawater intrusion prevention and control engineering measures are mainly rigid measures such as a damp dike, an underground impervious wall and the like, the spot-type engineering has single function and is mutually independent, if a large amount of construction of the traditional damp dike engineering is not beautiful, people are also worried about 'people and sea separation', and if an underground reservoir is constructed, the invasion of underground salt water is blocked, and meanwhile, the circulation period of local underground water resources is prolonged.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present disclosure provides a construction facility for integrated seawater intrusion prevention and control and a construction facility configuration method for integrated seawater intrusion prevention and control.
According to one aspect of the present disclosure, there is provided a method of configuring a construction facility for integrated seawater intrusion control, comprising:
dividing a target water flow channel into a plurality of flow sections according to the water flow direction; and
and arranging corresponding control building facilities at each flow section so as to at least reduce the intrusion speed and/or flow of the seawater.
According to the construction facility configuration method for seawater intrusion comprehensive control, the flow sections comprise a first flow section, a second flow section and a third flow section.
According to the configuration method of the building facilities for the comprehensive control of seawater intrusion in at least one embodiment of the present disclosure, the method for setting the corresponding control building facilities in each flow section comprises the following steps:
and arranging a water storage facility at the first flow section, wherein the water storage facility comprises a surface reservoir facility, and scheduling of the surface reservoir facility is realized based on the elevation difference of the first flow section and the second flow section.
According to the configuration method of the building facilities for the comprehensive control of seawater intrusion in at least one embodiment of the present disclosure, the method for setting the corresponding control building facilities in each flow section comprises the following steps:
and step impounding building facilities are arranged on the second flow section, each step impounding building facility comprises a gate dam, a river damming, a rubber dam or a water retaining weir, and the river runoff of the second flow section is subjected to step impounding.
According to the configuration method of the building facilities for the comprehensive control of seawater intrusion in at least one embodiment of the present disclosure, the method for setting the corresponding control building facilities in each flow section comprises the following steps:
and arranging an underground seepage-proofing structure building facility and an underground water-containing water storage space structure building facility underground at the third flow section, wherein the underground seepage-proofing structure building facility is positioned at a salt-fresh water interface line position and is used for preventing seawater from entering a fresh water area.
According to the configuration method of the building facilities for comprehensive seawater intrusion prevention and control in at least one embodiment of the present disclosure, the underground impermeable structure building facilities are an underground reservoir gate well control system with runoff regulation function, and the underground reservoir gate system realizes the closing and opening of an underground gate through water filling and water prevention of a rubber bag so as to control the hydraulic connection of a second flow section and a third flow section connected with the underground impermeable structure building facilities.
According to the construction facility configuration method for seawater invasion comprehensive control of at least one embodiment of the disclosure, the underground seepage-proofing structure construction facility is an underground seepage-proofing wall; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying.
According to yet another aspect of the present disclosure, there is provided a construction installation for integrated control of seawater intrusion, comprising
A water storage facility located at a first flow segment of a target water flow channel;
a step storage building facility located at a second flow section of the target water flow channel; and
an underground seepage-proofing structure building facility and an underground water-containing water-storing space structure building facility, wherein the underground seepage-proofing structure building facility and the underground water-containing water-storing space structure building facility are positioned in a third flow section of the drainage basin unit;
the first flow section, the second flow section and the third flow section are the same target water flow channel, and the three flow sections are sequentially divided along the direction of water flow of the target water flow channel;
wherein the water storage facility comprises a surface reservoir facility, and surface reservoir scheduling is realized by means of the elevation difference of the first flow section and the second flow section;
the cascade impounding building facilities comprise gate dams, barrages, rubber dams or water retaining weirs, and cascade impoundment is carried out on river runoff of the second flow section;
wherein the underground seepage-proofing structure building facility is positioned at a salt-fresh water interface line and is used for preventing seawater from entering a fresh water area.
According to at least one embodiment of the present disclosure, the building facility for comprehensive seawater intrusion prevention and control is an underground reservoir gate well control system with runoff regulation function, and the underground reservoir gate system is used for realizing the closing and opening of an underground gate through water filling and water prevention of a rubber bag so as to control the hydraulic connection between a second flow section and a third flow section connected with the underground impermeable structure building facility.
The building facility for the comprehensive control of seawater invasion, which is disclosed by at least one embodiment of the present disclosure, is an underground impervious structural building facility; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic flow diagram of a method for configuring a construction facility for integrated seawater intrusion control according to one embodiment of the present disclosure.
Fig. 2 is a schematic plan view of a construction facility structure for integrated seawater intrusion control according to one embodiment of the present disclosure.
Fig. 3 is a schematic cross-sectional view of a construction facility structure for integrated control of seawater intrusion according to one embodiment of the present disclosure.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.
The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise specified, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality among the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.
When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.
The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.
Fig. 1 is a schematic flow diagram of a method for configuring a construction facility for integrated seawater intrusion control according to one embodiment of the present disclosure.
As shown in fig. 1, a method S100 for configuring a building facility for integrated seawater intrusion prevention includes:
s102: dividing the basin into a plurality of flow sections according to the water flow direction; and
s104: and arranging corresponding control building facilities at each flow section so as to at least slow down the invasion speed and/or flow of the seawater.
Wherein the flow segments comprise a first flow segment, a second flow segment, and a third flow segment.
Wherein, set up corresponding prevention and cure architectural equipment at each section of flowing, include:
and arranging a water storage facility at the first flow section, wherein the water storage facility comprises an earth surface reservoir facility, and the earth surface reservoir facility is dispatched based on the elevation difference of the first flow section and the second flow section.
Wherein, set up corresponding prevention and cure architectural equipment at each section of flowing, include:
and step storage building facilities are arranged at the second flow section, and the step storage building facilities comprise gate dams, river damps, rubber dams or water retaining weirs and are used for performing step storage on river runoff of the second flow section.
Wherein, set up corresponding prevention and cure architectural equipment at each section of flowing, include:
and arranging an underground seepage-proofing structure building facility and an underground water-containing water storage space structure building facility underground in the third flow section, wherein the underground seepage-proofing structure building facility is positioned at the interface line of the fresh water and the salt water, and the underground seepage-proofing structure building facility is used for preventing the seawater from entering the fresh water area.
The underground seepage-proofing structure building facilities are an underground reservoir gate well control system with a runoff regulation function, and the underground reservoir gate system is used for realizing the closing and opening of the underground gate through water filling and water proofing of the rubber bag so as to control the hydraulic connection of the second flow section and the third flow section connected with the underground seepage-proofing structure building facilities.
Wherein, the underground seepage-proofing structure building facilities are underground seepage-proofing walls; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying. Wherein, the underground impervious wall can also be a high-pressure jet and sinking mould combined plate wall.
Fig. 2 is a schematic plan view of a construction facility structure for integrated seawater intrusion control according to one embodiment of the present disclosure. Fig. 3 is a schematic cross-sectional view of a construction facility structure for integrated control of seawater intrusion according to one embodiment of the present disclosure.
As shown in fig. 2 or fig. 3, the respective numbers have the following meanings: upstream, a first flow section; the second flow section is a midstream section; ③ downstream, third flow section; fourthly, a reservoir; gate dam, step impoundment; sixthly, an ecological underground dam; seventhly, a damp-proof dike; eighty, sea water; ninthly, underground water level; the aqueous layer in the r;
a salt and fresh water interface line;
and (6) an adhesive layer.
The surface reservoir is selected in a region with a certain watershed water collection interval, low terrain and good address conditions, the surface reservoir blocks precipitation in the upstream watershed of the reservoir, rainwater can be effectively prevented from forming flood resources and flowing into the sea, and the blocked surface water can be used as water for regional life, industry, agriculture and ecology.
A building installation for integrated control of seawater intrusion comprising:
the water storage facility is positioned at the first flow section of the drainage basin unit;
the step storage building facilities are positioned at the second flow section of the drainage basin unit; and the number of the first and second groups,
the underground seepage-proofing structure building facility and the underground water-containing water storage space structure building facility are positioned in the third flow section of the drainage basin unit;
the cascade impounding building facilities has the advantages that the cascade impounding facilities can play a role in stopping, promoting seepage and replenishing underground water for upstream reservoirs by discharging water on the one hand, and has a certain impounding effect on rainwater in a drainage basin per se on the other hand, and can be used as effective ecological water.
The first flow section I, the second flow section II and the third flow section III are the same drainage basin unit, and the three flow sections are sequentially divided along the direction of water flow of the drainage basin unit;
the water storage facility comprises an earth surface reservoir facility, and earth surface reservoir facility scheduling is realized based on the elevation difference of the first flow section and the second flow section;
the cascade impounding building facilities comprise gate dams, barrage dams, rubber dams or water damming weirs, and cascade impounding is carried out on river runoff of the second flow section;
wherein, the underground seepage-proofing structure building facilities are positioned on the interface line of the salt and fresh water
In place, underground impermeable structural building facilities are used to prevent seawater from entering the fresh water areas. Preferably, at the interface line of salt and fresh water
Constructing an ecological underground impervious wall to prevent further invasion of seawater, wherein the main type of the underground dam body is a high-spraying impervious slab wall, the high-spraying slab wall generally adopts a broken line lap joint construction mode, and the construction process is divided into two parts: the first part is rock entering rotary spraying, and is generally inserted into rock by 0.5 m; the second part is upper swing spraying and fixed spraying, and the distance between the top of the plate wall and the ground is 2-3 m. Mainly to prevent the fresh water in the water containing layer of the red (r) from being infected by the seawater.
The underground seepage-proofing structure building facility is an underground reservoir gate well control system with a runoff regulation function, and the underground reservoir gate system is used for realizing the closing and opening of the underground gate through water filling and water proofing of the rubber bag so as to control the hydraulic connection between the second flow section and the third flow section connected with the underground seepage-proofing structure.
Wherein, the underground seepage-proofing structure building facilities are underground seepage-proofing walls; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying.
Wherein, the downstream third is through the underground dam after the retaining, rainfall and surface water body are stored in the sand bed, promptly: the sand layer enrichment zone with certain thickness and scale or the coarse sand aquifer in the fourth system with a certain groundwater aquifer water storage space forms an underground water-containing water storage space structure building facility, stores groundwater, raises a regional fresh water underground water head, and can effectively prevent seawater intrusion when the fresh water head is higher than a salt water head.
The comprehensive seawater intrusion prevention and control layout method provided by the disclosure takes a drainage basin as a unit, and achieves the effect of comprehensive seawater intrusion prevention and control by means of measures such as reservoir storage scheduling, gate dam storage flood control, groundwater recharging, underground reservoir regulation and storage, underground dam seawater intrusion prevention and control, estuary wetland construction and the like through distributed cascade flood delay engineering, and has the following technical advantages:
the first comprehensive seawater invasion prevention and control layout method takes a drainage basin as a unit, takes the seawater invasion prevention and control concept with the requirement of coastal ecological environment protection into consideration, adopts the seawater invasion prevention and control technology of 'upstream reservoir dispatching-midstream river channel gate dam storage-downstream underground reservoir regulation-estuary tide blocking' as the overall design, and effectively prevents and controls the speed and the flow of seawater invasion.
Secondly, by adopting various distributed flood control technologies, the goals of reducing peak flow and loss are achieved by means of comprehensive measures such as midway and tail ends. By combining the characteristics of landform and vegetation, considering rainfall runoff conditions based on distributed flood simulation forecast, and constructing a distributed cascade flood retardation system such as a built-in cascade flood discharge small reservoir, a flood detention basin, an ecological permeable pond, a detention pond, a grassland water channel, a plant buffering structure and the like, the aim of distributed cascade flood retardation is fulfilled; a random hydrological model is utilized to simulate a flood reduction process, the flow of a flood peak can be reduced by more than 10% for medium and small floods, and the arrival time of the flood peak is delayed for 1-2 hours.
Thirdly, in a hilly area, the site selection of the surface reservoir is generally at the upstream of the watershed and is carried out in a valley zone with a certain catchment area, so that on one hand, the reservoir is guaranteed to have stable water inflow; on the other hand, the upper surface has higher elevation, a good water head difference can be formed with the downstream, and reservoir scheduling can be carried out by means of the advantage of elevation; thirdly, ecological water supplement to a downstream river channel can be realized;
fourthly, the midstream gate dam blocks the storage and supplements the source, the hydraulic automatic control flap river blocking gate, the rubber dam and the water retaining weir are built in the midstream of the river channel, the river channel runoff is blocked in a cascade mode, the river channel runoff is matched with the source supplementing seepage well, a continuous longer water whirling water surface is formed, the landscape effect of the river channel is increased, the blocking capacity is effectively increased, and the water reuse amount is greatly improved. Improve the water-resisting layer with wider distribution on the surface layer of the riverbed and accelerate the conversion of surface water to underground water.
And fifthly, the underground reservoir engineering comprises an underground dam and an underground aquifer water storage space, so that the control of the downstream underground reservoir is realized. The underground dam is a continuous underground impervious wall body, the main type is a high-spraying board wall, and part of the underground dam adopts a high-spraying and sinking mould combined board wall. The underground dam is designed into an underground reservoir gate well control system with a runoff regulation function, the system realizes the closing and opening of the underground reservoir gate through the water filling and discharging of the rubber bag, and the hydraulic connection between the upstream and downstream (salt and fresh water) of the underground dam body can be effectively controlled.
And the underground water is a sand layer enrichment zone with certain thickness and scale upstream of the underground dam, and a coarse sand aquifer in a fourth system with a certain underground water aquifer water storage space, and rainfall and surface water are stored in the sand layer after the downstream is blocked by the underground dam to form the underground reservoir, so that the regional fresh water underground water head is raised, and when the fresh water head is higher than the salt water head, seawater intrusion can be effectively prevented.
In the description herein, reference to the description of the terms "one embodiment/implementation," "some embodiments/implementations," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/implementation or example is included in at least one embodiment/implementation or example of the present application. In this specification, the schematic representations of the terms described above are not necessarily the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A method for configuring a building facility for integrated control of seawater intrusion, comprising:
dividing a target water flow channel into a plurality of flow sections according to the water flow direction; and
and arranging corresponding control building facilities at each flow section so as to at least reduce the intrusion speed and/or flow of the seawater.
2. The method of claim 1, wherein the flow sections include a first flow section, a second flow section, and a third flow section.
3. The method for configuring construction facilities for integrated seawater intrusion prevention and treatment according to claim 2, wherein the step of providing corresponding prevention and treatment construction facilities at each of the flow sections comprises:
and arranging a water storage facility at the first flow section, wherein the water storage facility comprises a surface reservoir facility, and scheduling of the surface reservoir facility is realized based on the elevation difference of the first flow section and the second flow section.
4. The method for configuring construction facilities for integrated seawater intrusion prevention and treatment according to claim 2, wherein the step of providing corresponding prevention and treatment construction facilities at each of the flow sections comprises:
and step impounding building facilities are arranged on the second flow section, each step impounding building facility comprises a gate dam, a river damming, a rubber dam or a water retaining weir, and the river runoff of the second flow section is subjected to step impounding.
5. The method for configuring construction facilities for integrated seawater intrusion prevention and treatment according to claim 2, wherein the step of providing corresponding prevention and treatment construction facilities at each of the flow sections comprises:
and arranging an underground seepage-proofing structure building facility and an underground water-containing water storage space structure building facility underground at the third flow section, wherein the underground seepage-proofing structure building facility is positioned at a salt-fresh water interface line position and is used for preventing seawater from entering a fresh water area.
6. The method for configuring building facilities for comprehensive seawater intrusion prevention and control according to claim 5, wherein the underground seepage-proofing structure building facilities are an underground reservoir gate well control system with runoff regulation function, and the underground reservoir gate system is used for realizing the closing and opening of an underground gate through water filling and water proofing of a rubber bag so as to control the hydraulic connection of the second flow section and the third flow section connected with the underground seepage-proofing structure building facilities.
7. The method for configuring construction facilities for integrated seawater intrusion prevention and treatment according to claim 5, wherein the underground watertight structure construction facilities are underground watertight walls; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying.
8. A building facility for comprehensive prevention and control of seawater intrusion is characterized by comprising
A water storage facility located at a first flow segment of a target water flow channel;
a step storage building facility located at a second flow section of the target water flow channel; and
an underground seepage-proofing structure building facility and an underground water-containing water-storing space structure building facility, wherein the underground seepage-proofing structure building facility and the underground water-containing water-storing space structure building facility are positioned in a third flow section of the drainage basin unit;
the first flow section, the second flow section and the third flow section are the same target water flow channel, and the three flow sections are sequentially divided along the direction of water flow of the target water flow channel;
wherein the water storage facility comprises a surface reservoir facility, and surface reservoir facility scheduling is realized based on the elevation difference of the first flow section and the second flow section;
the cascade impounding building facilities comprise gate dams, barrages, rubber dams or water retaining weirs, and cascade impoundment is carried out on river runoff of the second flow section;
wherein the underground seepage-proofing structure building facility is positioned at a salt-fresh water interface line and is used for preventing seawater from entering a fresh water area.
9. The building facility for comprehensive seawater intrusion control according to claim 8, wherein the underground seepage-proofing structure building facility is an underground reservoir gate well control system with runoff regulation function, and the underground reservoir gate system is used for realizing the closing and opening of an underground gate through water filling and water proofing of a rubber bag so as to control the hydraulic connection of the second flow section and the third flow section connected with the underground seepage-proofing structure building facility.
10. The construction facility for comprehensive control of seawater intrusion according to claim 8, wherein the underground watertight structure construction facility is an underground watertight wall; the underground diaphragm wall is a high-pressure jet diaphragm wall, the high-pressure jet diaphragm wall is realized based on a fold line lap joint construction mode, and the construction process comprises two parts: the first part is rock entering rotary spraying, and the second part is upper swing spraying and fixed spraying.
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Cited By (1)
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| CN115611350A (en) * | 2022-08-15 | 2023-01-17 | 河海大学 | Combined seepage interception reaction wall for harbour groundwater environment treatment |
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