CN112832190B - Coral island wave wall structure and construction method thereof - Google Patents
Coral island wave wall structure and construction method thereof Download PDFInfo
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- CN112832190B CN112832190B CN202011435637.5A CN202011435637A CN112832190B CN 112832190 B CN112832190 B CN 112832190B CN 202011435637 A CN202011435637 A CN 202011435637A CN 112832190 B CN112832190 B CN 112832190B
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- 235000014653 Carica parviflora Nutrition 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 244000132059 Carica parviflora Species 0.000 title description 2
- 241000243321 Cnidaria Species 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000009428 plumbing Methods 0.000 claims description 2
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 5
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/40—Foundations for dams across valleys or for dam constructions
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Abstract
The invention discloses a coral island reef wave-proof wall structure and a construction method thereof, the coral island reef wave-proof wall structure comprises a wave-proof wall and an embedded foundation, the wave-proof wall comprises a wall body, the left side of the wall body is set to be a water-facing surface, the right side of the wall body is set to be a vertical surface, the wall body comprises a trapezoid part, an arc part and a rectangular part which are sequentially connected from bottom to top, the slope of the oblique edge of the trapezoid part is the same as the slope of the arc surface tangent line of the arc part, the slope of the trapezoid part and the arc surface of the arc part form the water-facing surface, the embedded foundation is connected and arranged at the bottom of the trapezoid part, the coral island reef wave-proof wall structure is applied to the protection construction of the island tangent line, the wall body comprises the trapezoid part, the arc part and the rectangular part which are sequentially connected from bottom to top, the stability under the impact of sea waves is enhanced, and the slope of the oblique edge of the trapezoid part is the arc surface slope of the arc part, so that the lateral shifting resistance of the coral island reef wave-proof wall structure is increased.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a coral island reef wave wall structure and a construction method thereof.
Background
In recent years, coral island reefs in south China sea areas are damaged to a great extent, and the elevation of the coral island reefs is gradually reduced due to sand loss caused by wind erosion and sea erosion, coastlines are degenerated, and the area of the whole island is gradually reduced. The erosion caused by the sea waves can be relieved by building wave walls. The wave wall is a water retaining wall arranged on the upstream side of the dam crest for preventing waves from crossing the dam crest, can play a role in flood control, wave prevention and water resistance, and effectively reduces the erosion and corrosion of seawaves to the bank
For the construction condition on the island reef, large-scale instruments are difficult to unfold on the island reef due to the unstable bearing capacity of the lower part of the island reef, the island reef is far away from the land, and the transportation of materials such as sea sand and the like is inconvenient; although a large amount of coral sand exists around the coral sand and can be used as an aggregate for concrete pouring, the coral sand has the characteristic of multiple gaps, seawater easily permeates into the coral sand, and an internal reinforcing steel bar is corroded. In the strong corrosive environment of the ocean, the selection of the material of the wave wall and the construction scheme of the wave wall is important, and how to enhance the durability of the wave wall is a plurality of problems.
In current patent, patent No. 2020102162538 discloses an energy dissipation coral island reef wave wall structure, improved wall body overall structure stable, have the manger plate effect, it can reduce dyke dam crest height to arrange, patent No. 2018220260787 discloses a novel dam crest view coral island reef wave wall structure, adaptive environment and pleasing to the eye effect have, but these two kinds are the wave wall of bank, the function of application in the aspect of coral island reef is still less at present, and, the inconvenient problem of being under construction on little coral island also does not have better treatment mode, in addition, in the face of the strong corrosivity of sea water and the uncertainty of wave impact load, how to strengthen the durability of wave wall and become next main research problem.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a coral island reef wave wall structure.
The embodiment of the second aspect of the invention provides a construction method of a coral island reef wave wall structure.
According to an embodiment of the first aspect of the invention, a coral island reef wave wall structure is provided, which comprises: the wave wall comprises a wall body, the left side of the wall body is arranged to be a water-facing surface, the right side of the wall body is arranged to be a vertical surface, the wall body comprises a trapezoid part, an arc part and a rectangular part which are sequentially connected from bottom to top, the slope of the inclined edge of the trapezoid part is the same as the slope of the tangent line of the arc surface of the arc part, and the inclined surface of the trapezoid part and the arc surface of the arc part form the water-facing surface; the embedded foundation connection is arranged at the bottom of the trapezoidal portion.
Has the advantages that: this coral island reef wave wall structure includes: wave wall and embedded basis, wave wall includes the wall body, the wall body left side sets up to the upstream face, the wall body right side sets up to the plumbing face, the wall body includes the trapezoidal part by lower supreme connection gradually, arc and rectangle, the hypotenuse slope of trapezoidal part is the same with the tangent slope of the arcwall of arc, the inclined plane of trapezoidal part and the arcwall of arc form the upstream face, embedded foundation connection sets up the bottom at trapezoidal part, this coral island reef wave wall structure uses the protection construction at the island reef, the wall body includes the trapezoidal part by lower supreme connection gradually, arc and rectangle, the reinforcing is at the tangential behavior that the wave strikeed, the hypotenuse slope of trapezoidal part is the same with the arcwall slope of arc, increase its anti side ability of moving.
According to the coral island reef wave wall structure provided by the embodiment of the first aspect of the invention, the number of the wave walls is multiple, and the adjacent wave walls are detachably connected.
According to the coral island reef wave wall structure provided by the embodiment of the first aspect of the invention, the front end surface of the wall body is provided with the reserved holes, the rear end surface of the wall body is provided with the connecting ribs, and the adjacent wave walls are connected with the reserved holes through the connecting ribs.
According to the coral island reef wave wall structure provided by the embodiment of the first aspect of the invention, the bottom of the trapezoid part is provided with the concave prismatic table, the top of the embedded foundation is provided with the convex prismatic table, and the convex prismatic table is connected with the concave prismatic table in an embedded manner.
According to a second aspect of the embodiment of the invention, the construction method of the coral island reef wave wall structure comprises the following steps:
s1: manufacturing a mould on a large island, arranging stirrups, pouring coral sand concrete prefabricated wave wall in an integral mould, and manufacturing an embedded foundation, wherein the height of the wave wall is H, the height of the rectangular part is c, the radius of the arc part is r, and the angle of the trapezoid part is theta;
s2: and after the wave wall is prepared and maintained, the wave wall is transported to a small-sized island reef for assembly, an embedded foundation is installed, and then the wave wall is installed on the embedded foundation and connected through a cementing material.
This construction method of coral reef wave wall structure through on large-scale island reef, prefabricated wave wall that prevents, then transports to the equipment of small-size island reef to connect through binding material, can put into use, solved the inconvenient influence of small-size island reef construction, whole process is quick, and is high-efficient, and adopts coral reef sand concrete, and to a great extent has reduced the cost of transportation of material.
According to the construction method of the coral island body wave wall structure according to the embodiment of the second aspect of the invention, in step S1, according to the wave-crossing amount of sea waves in the island body:
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic structural diagram of a front view cross section of a wave wall according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a wave wall in a side view according to an embodiment of the present invention;
FIG. 3 is a diagram of an embedded infrastructure according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, a coral island reef storm wall structure comprising: wave wall 100 and embedded basis 200, wave wall 100 includes wall body 110, wall body 110 left side sets up to the upstream face, wall body 110 right side sets up to the vertical plane, wall body 110 includes trapezoidal portion 111, arc portion 112 and the rectangle portion 113 that connects gradually from bottom to top, the hypotenuse slope of trapezoidal portion 111 is the same with the slope of the tangent line of the arcwall face of arc portion 112, the inclined plane of trapezoidal portion 111 and the arcwall face of arc portion 112 form the upstream face, embedded basis 200 connects the setting in the bottom of trapezoidal portion 111. The bottom of trapezoidal portion 111 is provided with concave arris platform, and embedded basis 200 top is provided with protruding arris platform, and protruding arris platform is inlayed with concave arris platform and is connected. The embedded foundation 200 and the wave wall 100 are connected through the groove, so that the overall stability of the wave wall is enhanced. The upstream surface of the wave wall 100 is arc-shaped, so that the dynamic potential energy of the waves is reduced, the stability of the structure is improved, and the direct impact of the waves on the small coral island is slowed down through the internal impact between the waves and the mutual collision between the waves and the wall body.
Of course, it can be understood that the GFRP ribs are used inside the wave wall 100 to reinforce the wall structure material, so as to improve the long-term durability of the wall 110, and make the wall fully perform its function in the highly corrosive environment of the ocean.
In some of these embodiments, the number of wave walls 100 is multiple, and adjacent wave walls 100 are detachably connected. Specifically, the front end surface of the wall 110 is provided with a reserved hole 114, the rear end surface of the wall 110 is provided with a connecting rib 115, and the adjacent wave walls 100 are connected with the reserved hole 114 through the connecting rib 115. The wave wall 100 achieves the effects of construction prefabrication on large-scale island rocks and construction and installation on small-scale island rocks by means of prefabrication and arranging reserved steel bar holes on the wall body part.
A construction method of a coral island reef wave wall structure comprises the following steps:
s1: manufacturing a mould on a large island, arranging stirrups, pouring coral sand concrete prefabricated wave wall 100 in an integral mould, and manufacturing an embedded foundation 200, wherein the height of the wave wall 100 is H, the height of a rectangular part is c, the radius of an arc part is r, and the angle of a trapezoidal part is theta;
s2: after the wave walls 100 are prepared and maintained, the wave walls are transported to a small-sized island for assembly, the embedded foundation 200 is installed, then the wave walls 100 are installed on the embedded foundation 200, and the wave walls 100 are connected through the cementing material.
The wave wall adopts a semicircular arc upstream surface to reduce the impact effect of sea waves. The upper part is a rectangular section and resists the gravity load G ═ mg of the upper part. The lower part is trapezoidal section, is the slope through changing the pitch arc, and increase theta is in order to increase the soil pressure of wave wall according to the formula: fN'＝Fx·cosθ+FySin θ, thereby increasing its lateral movement resistance.
Specifically, for the stress situation, the kinetic energy is the main expression form of the impact of the sea waves on the wave wall 100, and in order to calculate the bearing capacity of the wave wall, the kinetic energy formula of the sea waves along the depth direction d is combined
For the determination of the values of H and c in FIG. 1, the overtopping amount of sea waves in the reef portion is determined according to the overtopping amount of sea waves in the island reef portion
And (3) arranging holes of reserved steel bars, connecting GFRP bars with steel bar sleeves in the construction process of the wave wall 100, wherein the diameter of each steel bar sleeve is slightly larger than that of the GFRP bar and is arranged at the waist of the wave wall 100 according to a graph 2, prefabricating a single wave wall 100 according to the form, and for the connection between the wave walls 100, connecting the reserved GFRP bars with the sleeves by adding fresh concrete into the sleeves to realize the combination of the two wave walls 100. In the strong corrosive environment of the ocean, in order to fully exert the efficacy of the wave wall 100 and enhance the internal corrosion resistance and pressure bearing capacity, GFRP ribs are adopted to reinforce the wall structure material, so that the long-term durability of the wall is improved.
The construction method of the coral island reef wave-proof wall structure is mainly applied to protection construction of south sea island reefs, the construction site is far away from inland, and material selection and transportation are important problems.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (3)
1. The utility model provides a construction method of coral island reef wave wall structure, its characterized in that, coral island reef wave wall structure is including wave wall and embedded basis, wave wall includes the wall body, the wall body left side sets up to the upstream face, the wall body right side sets up to the plumbing face, the wall body includes trapezoidal portion, arc and the rectangle portion by supreme connection gradually down, the hypotenuse slope of trapezoidal portion with the tangential slope of arc is the same, the inclined plane of trapezoidal portion with the arc of arc forms the upstream face, embedded foundation connection sets up the bottom of trapezoidal portion includes following step:
s1: manufacturing a mould on a large island, arranging stirrups, pouring coral sand concrete prefabricated wave-proof wall in an integral mould, and manufacturing an embedded foundation, wherein the height of the wave-proof wall is H, the height of the rectangular part is c, the radius of the arc part is r, and the angle of the trapezoid part is theta;
s2: after the wave wall is prepared and maintained, the wave wall is transported to a small island for assembly, an embedded foundation is installed, and then the wave wall is installed on the embedded foundation and connected through a cementing material;
in step S1, the amount of overtopping of sea waves on the reef portion is determined
Wherein K is the influence number of the facing structure, and Hs is the effective height of the incident waves at the dike feet; tp is the spectral peak period of the incident waves at the wall foot of the wave wall;hc is the vertical height from the assumed hydrostatic level to the top of the wave wall; m is the cotangent value of the front slope of the sea wall; d is the depth of water at the foot of the seawall; b is the width of the slope shoulder; A. b is an empirical coefficient related to m, and a plurality of Hc correspondences are calculated to obtain corresponding Q values, and in the case of smaller Q values, the Q values are based on Hc≥c+r(1+cosθ)、c>And 10cm, determining Hc and c, wherein the value of c is lower limit according to the thickness of the protective layer required by the steel bar, and H is Hc+(b-a+r sinθ)sinθ。
2. The construction method of the coral island reef wave wall structure as set forth in claim 1, wherein: the front end face of the wall body is provided with a reserved hole, the rear end face of the wall body is provided with a connecting rib, and the adjacent wave wall is detachably connected with the reserved hole through the connecting rib.
3. The construction method of the coral island reef wave wall structure as set forth in claim 1, wherein: the bottom of trapezoidal portion is provided with concave arris platform, embedded basic top is provided with protruding arris platform, protruding arris platform with concave arris platform is inlayed and is connected.
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| CN202011435637.5A CN112832190B (en) | 2020-12-10 | 2020-12-10 | Coral island wave wall structure and construction method thereof |
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| CN202011435637.5A CN112832190B (en) | 2020-12-10 | 2020-12-10 | Coral island wave wall structure and construction method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150076A (en) * | 2007-12-19 | 2009-07-09 | Taisei Corp | Water intake system and freshwater reserve and intake system |
| CN106495594A (en) * | 2016-11-08 | 2017-03-15 | 河海大学 | A kind of Reinforced Concrete Materials suitable for ocean coral island and preparation method thereof |
| CN210151660U (en) * | 2019-05-28 | 2020-03-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Embedded concrete antiskid tenon grout stone retaining wall |
| CN111501663A (en) * | 2020-03-25 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Energy dissipation wave wall structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150076A (en) * | 2007-12-19 | 2009-07-09 | Taisei Corp | Water intake system and freshwater reserve and intake system |
| CN106495594A (en) * | 2016-11-08 | 2017-03-15 | 河海大学 | A kind of Reinforced Concrete Materials suitable for ocean coral island and preparation method thereof |
| CN210151660U (en) * | 2019-05-28 | 2020-03-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Embedded concrete antiskid tenon grout stone retaining wall |
| CN111501663A (en) * | 2020-03-25 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Energy dissipation wave wall structure |
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