CN111648332A - Rapidly-assembled artificial ecological island suitable for medium-sized open water area and construction method thereof - Google Patents
Rapidly-assembled artificial ecological island suitable for medium-sized open water area and construction method thereof Download PDFInfo
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- CN111648332A CN111648332A CN202010485402.0A CN202010485402A CN111648332A CN 111648332 A CN111648332 A CN 111648332A CN 202010485402 A CN202010485402 A CN 202010485402A CN 111648332 A CN111648332 A CN 111648332A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
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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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Abstract
The invention provides a rapid-assembly artificial ecological island suitable for a medium-sized open water area and a construction method thereof. The ecological island can provide media for water body purification in water areas, breaks through the height limit of inland waterway, avoids large-scale hoisting equipment, and quickly and safely constructs the artificial ecological island.
Description
Technical Field
The invention relates to the technical field of water environment ecological management, in particular to a rapidly assembled artificial ecological island suitable for a medium-sized open water area and a construction method thereof.
Background
The self-purification capability of the water body is poor after the water body is polluted, and the eutrophication of the water body is easily caused, so that the water body is lack of oxygen and generates black and smelly water. As the economy of China enters a high-quality development stage, the water environment treatment work is more and more concerned by the society.
The artificial ecological island can provide proper growth conditions for various aquatic plants and improve the self-purification capacity of the water body. The traditional artificial island adopts sand stones and soil materials as substrates, large construction equipment is needed, the construction process is complicated, and the construction in an inner river is inconvenient; small floating ecological islands are mostly adopted in small and medium-sized urban riverways, and due to the limitation of the coverage area of the floating islands in water areas, the purification efficiency of the floating islands in open water areas is low, so that the floating ecological island is not suitable for the open water areas.
Disclosure of Invention
The invention overcomes the defects in the prior art, the existing artificial island has complicated construction process and inconvenient construction in an inner river, the small floating type ecological island has limited coverage area in a water area and lower purification efficiency in an open water area, and provides the fast assembled artificial ecological island suitable for the medium-sized open water area and the construction method thereof.
The purpose of the invention is realized by the following technical scheme.
An artificial ecological island suitable for medium-sized open water areas and capable of being rapidly assembled comprises a reinforced concrete cylinder and a steel cylinder assembly for resisting corrosion of an atmospheric area, a splash area and a water level change area,
the reinforced concrete cylinder is installed on the steel cylinder assembly, the steel cylinder filler is filled inside the steel cylinder assembly, the top end of the steel cylinder filler is covered with a waterproof non-woven fabric used for preventing the steel cylinder filler from scouring and losing, a hollow section is formed in the middle of the reinforced concrete cylinder, reinforcing ribs used for reinforcing the strength of the hollow section are arranged on the hollow section, two pieces of stones, rock blocks, broken stones, water-permeable geosynthetic materials, medium coarse sand and soil for planting are sequentially filled in the reinforced concrete cylinder from bottom to top, and the rock block sections and the broken stone sections are located in the hollow section.
And a steel cap is arranged at the head end of the steel cylinder assembly positioned at the top end, a steel cap groove is formed at the tail end of the reinforced concrete cylinder, and the steel cap groove is matched with the steel cap to connect the reinforced concrete cylinder and the steel cylinder assembly.
The width of the steel cap groove is 3-5cm larger than that of the steel cap.
The number of the steel cylinders in the steel cylinder assembly is 2-6 so as to meet the requirements of different water depth, bolt holes are formed in the inner sides of the steel cylinders, stiffening ribs for increasing rigidity are vertically arranged in the bolt holes, and the adjacent steel cylinders are connected through connecting bolts.
And an anticorrosive coating is coated on the outer wall of the steel cylinder, and a sacrificial anode protection block is arranged on the outer wall of the steel cylinder at the bottom end.
And waterproof mortar for preventing sand and stopping water is poured into the joint gaps between the adjacent steel cylinders.
The height of the steel cylinder is 3-4m, the diameter of the steel cylinder is 5-20m, and the wall thickness of the steel cylinder is 15-25 mm.
The steel cylinder filler adopts medium coarse sand or river bottom dredged sludge.
The height of the reinforced concrete cylinder is 3-4m, the diameter of the reinforced concrete cylinder is 5-20m, and the wall thickness of the reinforced concrete cylinder is 15-25 mm.
The two pieces of stones are filled to the bottom end of the hollow section, the block stones and the gravels are filled into the hollow section from bottom to top, and the top ends of the gravels are flush with the top end of the hollow section.
And planting aquatic plants on the cultivation soil.
A construction method for quickly assembling an artificial ecological island suitable for a medium-sized open water area is carried out according to the following steps:
2, accurately positioning the lowering position of the steel cylinder assembly, clamping the steel cylinder assembly by using an APE400 vibration hammer and vibrating and sinking to a designed elevation, then hoisting another steel cylinder assembly, sinking to the top position of the fixed steel cylinder assembly, screwing and fixing adjacent steel cylinder assemblies by using connecting bolts, pouring waterproof mortar into a connecting gap between the adjacent steel cylinder assemblies, and then mounting a steel cap on the top of the steel cylinder assembly positioned at the top end;
and 5, continuously filling two stones, block stones, gravels, water-permeable geosynthetics, medium coarse sand and planting soil into the reinforced concrete cylinder above the impermeable non-woven fabric from bottom to top in sequence, wherein the elevations of the tops of the two stones are flush with the bottom end of the hollowed-out section, the elevations of the tops of the gravels are flush with the top end of the hollowed-out section, and planting aquatic plants on the planting soil after the artificial ecological island is built.
The invention has the beneficial effects that: aiming at the defects of the existing artificial ecological island construction technology, the ecological island can provide a medium for water body purification in a water area, breaks through the height limit of an inland waterway, avoids the adoption of large-scale hoisting equipment, and quickly and safely constructs the artificial ecological island.
The bottom of the artificial ecological island is provided with the steel cylinder, the construction is convenient, the artificial ecological island is driven into a water bottom foundation through vibration and sinking, dredged sludge or medium grit is filled in the steel cylinder to the position of the steel cap, and the top of the artificial ecological island is paved with the waterproof non-woven fabric, so that a stable bottom supporting structure is quickly constructed.
The invention adopts a structure combining a plurality of sections of bottom steel cylinders and the upper reinforced concrete prefabricated cylinder, the bottom steel cylinders and the upper reinforced concrete cylinders are convenient and stable to connect, and compared with the completely-adopted integral steel cylinders, the invention can reduce the manufacturing and transportation cost; the structure combining the bottom steel cylinder and the upper reinforced concrete prefabricated cylinder can realize the quick construction of the bottom support through the steel cylinder, the hollow-out section structure is prefabricated through the upper reinforced concrete cylinder, and multiple layers of fillers such as two pieces of stones, block stones, broken stones, water-permeable geosynthetic materials, medium and coarse sand, planting soil and the like are filled in the cylinder, so that the effective interaction between green plants and water around the cylinder is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a connection structure of a first steel cylinder and a second steel cylinder in the present invention;
FIG. 3 is a schematic view of the connection structure of the steel cap and the steel cap groove in the present invention;
FIG. 4 is a schematic view showing a connection structure between a first steel cylinder and a reinforced concrete cylinder according to the present invention;
FIG. 5 is a schematic view showing the filling of the filler in the reinforced concrete cylinder according to the present invention;
in the figure: 1 is a reinforced concrete cylinder, 2 is a first steel cylinder, 3 is a sacrificial anode protection block, 4 is a hollowed-out section, 5 is a second steel cylinder, 1-1 is two pieces of stone, 1-2 is block stone, 1-3 is broken stone, 1-4 is a water-permeable geosynthetic material, 1-5 is medium coarse sand, 1-6 is cultivation soil, 1-7 is an aquatic plant, 2-1 is a connecting bolt, 2-2 is a steel cap, and 2-3 is a non-water-permeable non-woven fabric.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
Take the number of steel cylinders in the steel cylinder assembly as 2 for example:
an artificial ecological island which is suitable for a medium-sized open water area and can be assembled quickly comprises a reinforced concrete cylinder 1 and a steel cylinder component which are used for resisting the corrosion of an atmospheric area, a splash area and a water level change area,
the reinforced concrete cylinder assembly comprises a first reinforced cylinder 2 and a second reinforced cylinder 5, the tail end of the second reinforced cylinder 5 is inserted into the water bottom, the head end of the second reinforced cylinder 5 is connected with the tail end of the first reinforced cylinder 2 through a connecting assembly, reinforced cylinder fillers are filled in the first reinforced cylinder 2 and the second reinforced cylinder 5, a steel cap 2-2 is installed at the head end of the first reinforced cylinder 2, a steel cap groove is formed in the tail end of the reinforced concrete cylinder 1, and the steel cap groove is matched with the steel cap 2-2 to connect the reinforced concrete cylinder 1 with the first reinforced cylinder 2;
the middle part of the reinforced concrete cylinder 1 is provided with a hollow section 4, the top end of the steel cylinder filler is covered with a waterproof non-woven fabric 2-3 for preventing the steel cylinder filler from being washed and lost, two pieces of stones 1-1, block stones 1-2, gravels 1-3, a water-permeable geosynthetic material 1-4, medium coarse sand 1-5 and soil for tillage 1-6 are sequentially filled in the reinforced concrete cylinder 1 from bottom to top, and the block stone section and the gravels section are positioned in the hollow section 4, so that water body exchange between the inside of the reinforced concrete cylinder 1 and a water domain is facilitated.
Example two
On the basis of the first embodiment, bolt holes are formed in the inner sides of the tail end of the first steel cylinder 2 and the head end of the second steel cylinder 5, stiffening ribs for increasing rigidity are vertically arranged in the bolt holes, the connecting assembly penetrates through the bolt holes to connect the first steel cylinder 1 and the second steel cylinder 5, and the connecting assembly adopts connecting bolts 2-1.
And waterproof mortar for preventing sand and stopping water is poured into a joint gap between the tail end of the first steel cylinder 1 and the head end of the second steel cylinder 5.
The height of the first steel cylinder 1 and the second steel cylinder 5 are both 3-4m, the diameter of the first steel cylinder 1 and the diameter of the second steel cylinder 5 are both 5-20m, and the wall thickness of the first steel cylinder 1 and the wall thickness of the second steel cylinder 5 are both 15-25 mm.
The width of the groove of the steel cap is 3-5cm larger than the width of the groove of the steel cap 2-2.
The steel cylinder filler adopts medium coarse sand or river bottom dredged sludge.
The outer walls of the first steel cylinder 1 and the second steel cylinder 5 are coated with anticorrosive coatings, and the outer wall of the second steel cylinder 5 is provided with a sacrificial anode protection block 3.
EXAMPLE III
On the basis of the second embodiment, the reinforced concrete cylinder 1 adopts a reinforced concrete cylinder structure, the height of the reinforced concrete cylinder 1 is 3-4m, the diameter of the reinforced concrete cylinder 1 is 5-20m, and the wall thickness of the reinforced concrete cylinder 1 is 15-25 mm.
Two pieces of stones 1-1 are filled to the bottom end of the hollow section 4, the block stones 1-2 and the broken stones 1-3 are filled into the hollow section 4 from bottom to top, and the top ends of the broken stones 1-3 are flush with the top end of the hollow section 4.
And planting 1-7 aquatic plants on the ploughing and planting soil 1-6.
Example four
The depth of the installed lake is 8-10m, the top surface of the artificial ecological island is 5cm lower than the normal water level, the diameter of the first steel cylinder, the diameter of the second steel cylinder and the diameter of the reinforced concrete cylinder are 5-20m, and the height of the first steel cylinder, the second steel cylinder and the reinforced concrete cylinder is 3-4 m.
and 5, sequentially filling two stones, block stones, gravels, water-permeable geosynthetics, medium coarse sand and planting soil into the reinforced concrete cylinder above the impermeable non-woven fabric from bottom to top, wherein the elevation of the tops of the two stones is flush with the bottom end of the hollowed-out section, the elevation of the tops of the gravels is flush with the top end of the hollowed-out section, and after the artificial ecological island is built, planting aquatic plants such as reeds, canna and the like on the planting soil.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a but assemble artificial ecological island fast suitable for medium-sized open water area which characterized in that: comprises a reinforced concrete cylinder and a steel cylinder component for resisting the corrosion of an atmospheric region, a splash region and a water level fluctuation region,
the reinforced concrete cylinder is characterized in that the tail end of the steel cylinder component is inserted into a water bottom riverbed, the reinforced concrete cylinder is installed on the steel cylinder component, steel cylinder fillers are filled in the steel cylinder component, the top end of the steel cylinder fillers is covered with impermeable non-woven fabrics used for preventing the steel cylinder fillers from being washed away and lost, a hollowed-out section is formed in the middle of the reinforced concrete cylinder, reinforcing ribs used for reinforcing the strength of the hollowed-out section are arranged on the hollowed-out section, two pieces of stones, block stones, broken stones, water-permeable geosynthetic materials, medium coarse sand and planting soil are sequentially filled in the reinforced concrete cylinder from bottom to top, and the block stone section and the broken stone section are located in the hollowed-out section.
2. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 1, wherein: and a steel cap is arranged at the head end of the steel cylinder assembly positioned at the top end, a steel cap groove is formed at the tail end of the reinforced concrete cylinder, and the steel cap groove is matched with the steel cap to connect the reinforced concrete cylinder and the steel cylinder assembly.
3. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 2, wherein: the width of the steel cap groove is 3-5cm larger than that of the steel cap.
4. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 1, wherein: the number of the steel cylinders in the steel cylinder assembly is 2-6 so as to meet the requirements of different water depth, bolt holes are formed in the inner sides of the steel cylinders, stiffening ribs for increasing rigidity are vertically arranged in the bolt holes, and the adjacent steel cylinders are connected through connecting bolts.
5. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 4, wherein: and an anticorrosive coating is coated on the outer wall of the steel cylinder, and a sacrificial anode protection block is arranged on the outer wall of the steel cylinder at the bottom end.
6. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 4, wherein: waterproof mortar for preventing sand and stopping water is poured into a connecting gap between every two adjacent steel cylinders, the height of each steel cylinder is 3-4m, the diameter of each steel cylinder is 5-20m, and the wall thickness of each steel cylinder is 15-25 mm.
7. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 1, wherein: the steel cylinder filler adopts medium coarse sand or river bottom dredged sludge.
8. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 1, wherein: the height of the reinforced concrete cylinder is 3-4m, the diameter of the reinforced concrete cylinder is 5-20m, and the wall thickness of the reinforced concrete cylinder is 15-25 mm.
9. The rapidly assembled artificial ecological island suitable for medium-sized open water areas according to claim 1, wherein: the two pieces of stones are filled to the bottom end of the hollow section, the block stones and the gravels are filled into the hollow section from bottom to top, and the top ends of the gravels are flush with the top end of the hollow section.
10. A construction method applicable to medium-sized open water areas and capable of quickly assembling an artificial ecological island is characterized by comprising the following steps: the method comprises the following steps:
step 1, transporting the steel cylinder assembly and the reinforced concrete cylinder to the lake shore in a land transportation mode, and transporting the steel cylinder assembly and the reinforced concrete cylinder to a ship by using a ship-borne crane;
2, accurately positioning the lowering position of the steel cylinder assembly, clamping the steel cylinder assembly by using an APE400 vibration hammer and vibrating and sinking to a designed elevation, then hoisting another steel cylinder assembly, sinking to the top position of the fixed steel cylinder assembly, screwing and fixing adjacent steel cylinder assemblies by using connecting bolts, pouring waterproof mortar into a connecting gap between the adjacent steel cylinder assemblies, and then mounting a steel cap on the top of the steel cylinder assembly positioned at the top end;
step 3, hoisting the reinforced concrete cylinder, accurately positioning, and then putting the reinforced concrete cylinder to the top position of the steel cylinder assembly;
step 4, backfilling dredging sludge or medium grit in the lake to the steel cap in the steel cylinder assembly, and then paving and discharging impermeable non-woven fabrics on the upper part of the steel cylinder assembly;
and 5, continuously filling two stones, block stones, gravels, water-permeable geosynthetics, medium coarse sand and planting soil into the reinforced concrete cylinder above the impermeable non-woven fabric from bottom to top in sequence, wherein the elevations of the tops of the two stones are flush with the bottom end of the hollowed-out section, the elevations of the tops of the gravels are flush with the top end of the hollowed-out section, and planting aquatic plants on the planting soil after the artificial ecological island is built.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010485402.0A CN111648332A (en) | 2020-06-01 | 2020-06-01 | Rapidly-assembled artificial ecological island suitable for medium-sized open water area and construction method thereof |
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| CN202010485402.0A CN111648332A (en) | 2020-06-01 | 2020-06-01 | Rapidly-assembled artificial ecological island suitable for medium-sized open water area and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682007A (en) * | 2020-12-22 | 2021-04-20 | 中海石油(中国)有限公司 | Wet-type protection system for oil and gas production under seabed mud surface |
| CN114457750A (en) * | 2022-04-13 | 2022-05-10 | 中交第一航务工程局有限公司 | Construction method of large-diameter steel-concrete combined cylindrical structure |
-
2020
- 2020-06-01 CN CN202010485402.0A patent/CN111648332A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682007A (en) * | 2020-12-22 | 2021-04-20 | 中海石油(中国)有限公司 | Wet-type protection system for oil and gas production under seabed mud surface |
| CN114457750A (en) * | 2022-04-13 | 2022-05-10 | 中交第一航务工程局有限公司 | Construction method of large-diameter steel-concrete combined cylindrical structure |
| CN114457750B (en) * | 2022-04-13 | 2022-06-28 | 中交第一航务工程局有限公司 | Construction method of large-diameter steel-concrete combined cylindrical structure |
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