CN114214927A - Energy dissipation device and manufacturing method thereof - Google Patents
Energy dissipation device and manufacturing method thereof Download PDFInfo
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- CN114214927A CN114214927A CN202111517992.1A CN202111517992A CN114214927A CN 114214927 A CN114214927 A CN 114214927A CN 202111517992 A CN202111517992 A CN 202111517992A CN 114214927 A CN114214927 A CN 114214927A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000021715 photosynthesis, light harvesting Effects 0.000 title abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 93
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 239000004744 fabric Substances 0.000 claims description 28
- 239000003365 glass fiber Substances 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003562 lightweight material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 9
- 239000004574 high-performance concrete Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- -1 for example Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
-
- 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
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an energy dissipater and a manufacturing method thereof, wherein the energy dissipater comprises a shell, a composite material and at least one concrete module, the shell wraps the composite material and the concrete module into a whole, a plurality of balls are arranged inside the concrete module, and the composite material wraps the at least one concrete module into a whole. The cavity is formed in the foam ball concrete arranged in the concrete module in the energy dissipation device, so that the concrete module is formed into a honeycomb shape, the energy dissipation device has good deformation energy dissipation capacity, and the density of the concrete module is reduced.
Description
Technical Field
The invention relates to the field of concrete, in particular to an energy dissipation device and a manufacturing method thereof.
Background
The anti-collision equipment is applied to the protection to the pier, and the collision damage of the ship body to the pier is reduced to the lowest degree, and the ship body is protected to a certain extent. The impact protection apparatus includes a housing and a dissipater within the housing. The energy dissipater can absorb impact force, and if the energy dissipater is applied to a river channel, the energy dissipater also has the characteristic of small density, so that the anti-collision equipment floats on the water surface.
The high-performance concrete is characterized in that metal is doped in ordinary concrete, for example, steel fibers are mixed in the high-performance concrete, a plurality of blending agents are added, and the finally obtained concrete has metallicity, and has very good cutting performance and mechanical property, very uniform property and very wide application.
How to apply high-performance concrete to anti-collision equipment is a technical problem which is yet to be solved at present.
Disclosure of Invention
In view of the problems mentioned in the background art, the present invention is to provide an energy dissipater and a manufacturing method thereof, so as to solve the problems mentioned in the background art.
The technical purpose of the invention is realized by the following technical scheme:
an energy dissipater comprises a shell, a composite material and at least one concrete module, wherein the shell wraps the composite material and the concrete module into a whole, a plurality of balls are arranged inside the concrete module, and the composite material wraps the at least one concrete module into a whole.
Through adopting above-mentioned technical scheme, a plurality of balls that are equipped with in the concrete module have been placed and have formed the cavity in the concrete for the concrete module has formed honeycomb, has good deformation energy dissipation ability, makes the density of concrete module reduce simultaneously.
Preferably, a plurality of groups of grooves are formed in the surface of the concrete module.
Through adopting above-mentioned technical scheme, make things convenient for the inflow of concrete through the multiunit slot that is equipped with on the concrete module surface, improve the flow property.
Preferably, the concrete module further comprises glass fiber cloth, the glass fiber cloth covers at least one concrete module, and the composite material flows to the groove through the glass fiber cloth.
By adopting the technical scheme, the glass fiber cloth is favorable for improving the heat resistance, corrosion resistance and mechanical strength of the concrete module.
Preferably, the balls are lightweight material balls having a density less than that of concrete.
Through adopting above-mentioned technical scheme, the light material spheroid is favorable to reducing the weight of ball, prevents to warp, improves the performance of ball.
The invention also provides a manufacturing method of the energy dissipater, which comprises the following steps:
step S1: arranging a first mould, and stirring after placing the balls and the concrete in the first mould;
step S2: coating at least one of the concrete modules with fiberglass cloth;
step S3: sequentially arranging the concrete modules coated with the glass fiber cloth in a second mould;
step S4: injecting a composite material into the second mold;
step S5: and (6) demolding.
Preferably, the step S4 includes the steps of,
step S41: sealing the second mold by using a sealing layer with a glue injection pipe, and pumping air away;
step S42: and opening the glue injection pipe to allow the composite material to flow into the second mold.
Preferably, the inner wall of the first mold has a plurality of sets of protrusions so that a plurality of sets of grooves are formed on the surface of the concrete module.
Preferably, the step S1 includes the steps of,
step S11: and stirring the concrete module and the balls by using a vibrating rod to ensure that the balls are dispersedly distributed in the concrete module.
Preferably, the step S1 further includes the steps of,
step S12: -making a plurality of sets of grooves (25) on the surface of the concrete module (23).
In summary, the invention mainly has the following beneficial effects:
the cavity is formed in the foam ball concrete arranged in the concrete module in the energy dissipation device, so that the concrete module is formed into a honeycomb shape, the density of the concrete module is reduced, the energy dissipation device is enabled to float on the water surface more easily, and the energy dissipation device has a good deformation energy dissipation effect. Meanwhile, the glass fiber cloth and the composite material are wrapped on the concrete module, so that the buffering performance of the energy dissipation device is improved.
Drawings
Figure 1 is a schematic view of the construction of an energy dissipater of the present invention;
figure 2 is a structural cross-sectional view of the dissipater of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at section A;
FIG. 4 is a schematic structural view of a concrete module;
figure 5 is a schematic diagram of the construction of the dissipater of the present invention;
figure 6 is a flow chart of the invention for making energy dissipaters.
Reference numerals: 10 is a bridge pier; 20 is an energy dissipation device; 21 is a shell; 22 is a composite material; 23 is a concrete module; 24 is a ball; 25 is a groove; 26 glass fiber cloth; 30 is a second mold; 31 is an air extraction opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an energy dissipater according to the present invention, in which the energy dissipater 20 surrounds the pier 10, so as to weaken the impact of a ship on a bridge and protect the bridge.
As shown in fig. 2 to 4, the energy dissipater 20 comprises a shell 21, a composite material 22 and a plurality of concrete modules 23, the shell 21 wraps the composite material 22 and the concrete modules 23 into a whole, a plurality of balls 24 are dispersed inside the concrete modules 22, and the composite material 22 wraps the concrete modules 23 into a whole.
The concrete module 23 is formed by high-performance concrete and a plurality of balls 24, so that the concrete module 23 is formed into a honeycomb shape and has good deformation energy dissipation capacity; meanwhile, since the balls 24 are light material balls having a density lower than that of the high performance concrete, such as plastic balls, foam balls, etc., so that the density of the concrete module 23 is reduced, the more the number of the balls 24 included in the concrete module 23 is, the lower the density of the concrete module 23 is, and the energy dissipater 20 is more easily floated on the water surface.
The high-performance concrete adopted by the invention is formed by doping metal in common concrete, for example, steel fiber is mixed in the common concrete, and then a plurality of blending agents are added, so that the finally obtained concrete has metallicity, and the cutting performance and the mechanical property of the concrete are very good and very uniform.
As shown in fig. 2 to 3, a plurality of groups of grooves 25 are formed on the surface of the concrete module 23, the grooves 25 may be a plurality of groups of transverse grooves and/or a plurality of groups of longitudinal grooves, or grooves in other directions, and preferably, a plurality of groups of transverse grooves and a plurality of groups of vertical grooves 25 are simultaneously formed on each surface of the concrete module 23 at equal intervals. 1 or 2 or more concrete modules 23 are wrapped by the glass fiber cloth 26, then the composite material 22 is heated and melted to form fluid which flows on the surface of the glass fiber cloth 26, so that the glass fiber cloth 26 is tightly wrapped on the concrete modules 23, the composite material 22 fills the grooves on the concrete modules 23, and the glass fiber cloth 26 and the concrete modules 23 are tightly wrapped into a whole.
The composite material 22 is a composite material that is easily melted by heat and has fluidity after being melted, such as resin. The composite material 22 is used to wrap a fiberglass cloth 26 and a plurality of concrete modules 23.
As shown in fig. 6, the invention also provides a method for manufacturing the energy dissipater, which mainly comprises the following steps:
step S1: arranging a first mould, and stirring after placing the foam balls and the concrete in the first mould;
the first mold is generally a cube, such as a 50 x 50cm square mold, and the inner wall of the first mold has a plurality of sets of equally spaced lateral and/or vertical protrusions, which may be arranged according to actual conditions. Pouring high-performance concrete and foam balls into the concrete mould, stirring the concrete and the foam balls by using a vibrating rod, wherein the foam balls are irregularly distributed in the high-performance concrete to form an inner cavity, and finally forming the concrete mould 23 with a plurality of groups of grooves 25 on the surface.
Because the foam balls are added in the concrete modules 23 to form a honeycomb structure, the specific weight of the whole concrete module 23 is lighter than water, and the whole concrete module can float up, bear the impact force of a ship and simultaneously does not sink. The size of the foam ball can be selected according to the requirement, and the specific gravity of the module can be adjusted.
If the inner wall of the first mold is not provided with the protrusions, a metal cutting mode can be adopted, and a plurality of groups of grooves are formed on the surface of the concrete module 23 during pouring.
Step S2: coating the concrete module 23 with a glass fiber cloth 26;
the number of concrete modules 23, such as 1, 2 or more, wrapped with fiberglass cloth 26 can be selected depending on the shape, size of the actual dissipater. As shown in fig. 5, each concrete module 23 is wrapped with a glass cloth 26.
Step S3: sequentially arranging the concrete modules 23 coated with the glass cloth 26 in the second mold 30;
as shown in fig. 5, the second mold 30 is a rectangular box, a sealing layer is disposed on the top of the box, a glue injection pipe is disposed on the sealing layer, and an air extraction opening 31 is further disposed on the lower portion of the box. The concrete modules 23 wrapped with the glass cloth 26 are sequentially arranged in the second mold 30.
Step S4: injecting resin into the second mold 30;
the second mold 30 is sealed by a sealing layer with a glue injection pipe, and then air in the mold is pumped out through an air pumping opening 31 by using an air pumping device to form a negative pressure state. And opening the glue injection pipe, and allowing the heated resin liquid to flow into the second mold 30, wherein the resin liquid flows on the surface of the glass fiber cloth 26 to fill the grooves in each group, so that the glass fiber cloth 26 and the concrete module 23 are tightly wrapped together.
Step S5: demolding;
the concrete module 23 coated with the resin and the glass cloth 26 on the surface thereof is demolded and taken out from the second mold 30.
Step S6: and manufacturing the energy dissipation device.
A plurality of concrete modules 23 coated with resin and glass fiber cloth 26 are wrapped by a shell to form an energy dissipation device.
The energy dissipation device provided by the invention adopts the balls with low high-performance concrete compactness to manufacture the concrete module, so that the density of the whole concrete module is reduced, the energy dissipation device is easier to float on the water surface, and the energy dissipation device has good deformation energy dissipation effect. Meanwhile, the glass fiber cloth and the composite material are wrapped on the concrete module to form a lattice state, so that the buffering performance of the energy dissipation device is improved. The manufacturing method of the energy dissipation device has the advantages of short steps, low consumption rate, high yield, high economic benefit and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An energy dissipater comprising a housing (21), a composite material (22) and at least one concrete module (23), the housing (21) encasing the composite material (22) and concrete module (23) as a unit, characterized in that: a plurality of balls (24) are arranged inside the concrete modules (22), and at least one concrete module (23) is wrapped into a whole by the composite material (22).
2. An energy dissipater as claimed in claim 1, characterised in that the concrete modules (22) are provided with a plurality of sets of channels (25) in their faces.
3. An energy dissipater according to claim 2, further comprising a glass fibre cloth (26), the glass fibre cloth (26) being coated on at least one of the concrete modules (23), the composite material (22) flowing through the glass fibre cloth (26) to the channels (25).
4. An energy dissipater as claimed in claim 1, characterised in that the balls (24) are spheres of lightweight material of density less than that of concrete.
5. A method of making an energy dissipater as claimed in any of claims 1 to 4, comprising the steps of:
step S1: arranging a first mould, and stirring after placing the balls (24) and the concrete in the first mould;
step S2: coating at least one of the concrete modules (23) with a glass fiber cloth (26);
step S3: sequentially arranging the concrete modules (23) coated with the glass fiber cloth (26) in a second mold (30);
step S4: -injecting a composite material (22) in a second mould (30);
step S5: and (6) demolding.
6. An energy dissipater manufacturing method according to claim 5, wherein said step S4 includes the steps of,
step S41: sealing the second mould (30) by using a sealing layer with a glue injection pipe, and pumping air away;
step S42: and opening the glue injection pipe to allow the composite material (22) to flow into the second mold (30).
7. An dissipater making method according to claim 5, characterised in that the inner wall of the first mould has sets of projections such that the surface of the concrete module (23) forms sets of channels (25).
8. An energy dissipater manufacturing method according to claim 5, wherein said step S1 includes the steps of,
step S11: and agitating the concrete module (23) and the balls (24) by using a vibrating rod to ensure that the balls (24) are dispersedly distributed in the concrete module (23).
9. An energy dissipater manufacturing method according to claim 5, wherein said step S1 further includes the steps of,
step S12: -making a plurality of sets of grooves (25) on the surface of the concrete module (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517992.1A CN114214927B (en) | 2021-12-13 | 2021-12-13 | Energy dissipation device and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111517992.1A CN114214927B (en) | 2021-12-13 | 2021-12-13 | Energy dissipation device and manufacturing method thereof |
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| CN114214927A true CN114214927A (en) | 2022-03-22 |
| CN114214927B CN114214927B (en) | 2024-05-07 |
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| CN114214927B (en) | 2024-05-07 |
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