CN109252491A - A kind of explosion-proof protective device of rock - Google Patents
A kind of explosion-proof protective device of rock Download PDFInfo
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- CN109252491A CN109252491A CN201811313436.0A CN201811313436A CN109252491A CN 109252491 A CN109252491 A CN 109252491A CN 201811313436 A CN201811313436 A CN 201811313436A CN 109252491 A CN109252491 A CN 109252491A
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- explosion
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- protection equipment
- rock
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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
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
This application involves a kind of explosion-proof protective device of rock, including face dam ontology, several pre-embedded devices and several modularization explosion-protection equipments；The modularization explosion-protection equipment is four layers of composite construction, and first layer is arc-shaped double-layer shell structure, and the second layer is to be close to the arc-shaped double-layer shell structure, and the arc buffering absorbing energy layer of setting, third layer is cavity structure, and the 4th layer is metal Sandwich structure.Shock resistance energy-absorbing buffering is carried out to explosion impact energy by above-mentioned four-layer structure arrangement, so that the impact energy after explosive contact first layer explosion is successively consumed by buffering, it is ensured that the safety of dam structure.Modularization explosion-protection equipment can draw to scene in factory's mass production and carry out assembling construction, greatly improve construction efficiency.
Description
Technical field:
This application involves a kind of water conservancy structure safety protection field, in particular to a kind of explosion-proof protection dress of rock
It sets.
Background technique:
To play the functions such as flood control, power generation, irrigation, the safety of reservoir dam is raw to the production of the downstream people for the setting of reservoir dam
Work has extremely important influence, and then may downstream people be brought with huge life and property loss in case of accidents such as dam breaks.
The research of dam structure itself is mostly only limitted to for the research of dam safety at present, and has ignored dam by abnormal all
Such as the attack of terrorism, and a lot of attacks for attacking dams have occurred in last century, causes serious damage
It loses.
And the research of dam field of explosion-proof security is seldom, the research of the especially underwater anti-explosion safety of dam just starts to walk.
And underwater explosion-proof research is mainly in military field, close research started from for 19 beginnings of the century, and U.S. Ai Baite in 1860 directs early stage
Underwater Explosion test, and test is summarized.Since war needs, underwater explosion is studied in first and second world war
It is rapidly developed, people, which start based on, studies underwater explosion physical phenomenon to Underwater Explosion test, explosion mechanism and underwater quick-fried
The fried philosophy complied with.The 1970s computer technology and calculation method fast development, underwater explosion numerical simulation
It is rapidly developed, present numerical simulation can instruct engineering practice.Underwater explosion research explosion is generated under water, develops, is propagated,
And with submarine target interaction theory, ways and means, be related to multiple subjects.Specifically, underwater explosion energy discharges
It is existing that research with propagation law concentrates on underwater explosion charge structure of energy output, Underwater Explosion Shock Wave Propagation characteristic, gas bubble pulsation
As, underwater explosion interfacial effect etc..Underwater explosion destruction mechanism and effective matrix goal in research structure are exploded work under water
With lower dynamic response rule and damage feature, the effect machine to typical target structure such as underwater blast wave, bubble, jet stream
System, determines impairment scale and damage criterion.However engineering item of the studies above mostly in military field, applied to non-military field
Mesh is seldom.Especially for the uprising researches in hydraulic engineering.
Due to the weak explosion-proof capabilities of rock, once attack, generated consequence be it is difficult to the appraisal, at present
Consciousness is laid just by attention in the industry in the research of dam field of explosion, and it is uprising anti-that there is presently no relatively good dams
Maintaining method and structure occur.The application proposes the explosion-proof protective device of dam based on current status, especially a kind of panel heap
The explosion-proof protective device of masonry dam.
Summary of the invention:
The application in view of the drawbacks of the prior art, provides a kind of explosion-proof protective device of rock, and apparatus structure design is skilful
It is wonderful, can maximum absorption, buffering explosion wave, reduce influence of the explosion to dam structure, it is ensured that dam main structure safety,
Prevent dam from causing because of explosion dam break.Protective device can modularized production, mass according to actual needs
Customization, it is convenient to construct, and substantially increases the security performance and efficiency of rock-fill dams.
The present invention is achieved by the following technical solutions:
A kind of explosion-proof protective device of rock, which is characterized in that including face dam ontology, several pre-embedded devices and several moulds
Block explosion-protection equipment；The pre-embedded device is embedded in face dam ontology, and extending panel dam, to the fixation module chemoprevention
Quick-fried device；
Pre-embedded device includes pre-embedded steel slab and pre-embedded bolt, and several pre-embedded steel slabs are close to the setting of face dam surface, each pre-embedded steel slab
Be equipped with several holes passed through for pre-embedded bolt, pre-embedded bolt quantity and the quantity in the hole matches, pre-embedded bolt perpendicular to
The setting of face dam surface；Several pre-embedded steel slabs are arranged in parallel, and the pre-embedded steel slab is vertical or horizontal setting；It is described pre-buried
The spacing of steel plate is 1-1.5 meters, and the width of the modularization explosion-protection equipment is 1.5-2 meters；
The modularization explosion-protection equipment is equipped with hole compatible with pre-embedded bolt, and the pre-embedded bolt initially passes through pre-embedded steel slab
Hole is then passed through corresponding hole on the modularization explosion-protection equipment, and attaching nut fixes the modularization explosion-protection equipment；It is described
Modularization explosion-protection equipment is covered with entire face dam surface, forms rock protection face.
Further, the modularization explosion-protection equipment is four layers of composite construction, and first layer is arc-shaped double-layer shell structure, the
Two layers are the abutting arc-shaped double-layer shell structure, and the arc buffering absorbing energy layer of setting, third layer is cavity structure, and the 4th layer is
Metal Sandwich structure.
Further, the solid shape structure that buffering energy-absorbing layer is cellular material, foamed aluminium material is processed into.
Further, the heavy sandwich structure of the metal battenboard is U-shaped setting.
Further, described its cross sectional shape of modularization explosion-protection equipment is rectangle, and each piece of modularization explosion-protection equipment is at least
4 holes passed through for bolt are set, and the number in the hole is even number.
Further, the modularization explosion-protection equipment is with a thickness of 30-80cm.
Beneficial effects of the present invention are as follows:
1, the present invention lays mode using efficient, so that explosion-proof construction of prevention work is efficient by the explosion-protection equipment of setup module
It is convenient, make explosion-protection equipment and dam that integrated setting be presented using pre-embedded steel slab and pre-embedded bolt, pre-embedded steel slab can be slot
Steel or I-steel etc. can select as needed.
2, modularization explosion-protection equipment of the invention be four layers of composite construction, first layer be arc-shaped double-layer shell structure, second
Layer is the arc buffering absorbing energy layer for being close to the arc-shaped double-layer shell structure setting, and third layer is cavity structure, and the 4th layer is gold
Belong to Sandwich structure.Shock resistance energy-absorbing buffering is carried out to explosion impact energy by above-mentioned four-layer structure arrangement, so that explosive
Impact energy after contacting first layer explosion is successively consumed by buffering, it is ensured that the safety of dam structure.In terms of material, buffering
The solid shape structure that absorbing energy layer is brittleness of ceramics material, cellular material, foamed aluminium material are processed into, the weight of the metal battenboard
Sandwich structure is U-shaped setting, improves cushion performance, structure overall weight is light.
3, modularization explosion-protection equipment can draw to scene in factory's mass production and carry out assembling construction, greatly improve
Construction efficiency, and ensure the general safety of structure.
Detailed description of the invention:
Attached drawing 1 is the dam body cross-sectional view after rock surface construction is arranged in the explosion-proof protective device of the present invention；
Attached drawing 2 is schematic diagram of the explosion-proof protective device of the present invention in rock surface layout；
Attached drawing 3 is the explosion-proof protective device structure schematic diagram of modularization of the present invention；
Wherein, 1 is face dam ontology, and 2 be explosion-protection equipment, and 2-1 is arc-shaped double-layer shell structure, and 2-2 is arc buffering absorbing energy layer,
2-3 is cavity structure, and 2-4 is metal Sandwich structure, and 3 be pre-embedded bolt, and 4 be pre-embedded steel slab.
Specific embodiment:
The invention will be further described by 1-3 with reference to the accompanying drawing.
A kind of explosion-proof protective device of rock of the application, including face dam ontology 1, several pre-embedded devices and several
Modular explosion-protection equipment 2；The pre-embedded device is embedded in face dam ontology 1, and extending panel dam ontology 1, to fixation
Modular explosion-protection equipment 2；
Pre-embedded device includes pre-embedded steel slab 4 and pre-embedded bolt 3, and several pre-embedded steel slabs 4 are close to the surface setting of face dam ontology 1,
Each pre-embedded steel slab 4 is equipped with several holes passed through for pre-embedded bolt 3, and 3 quantity of pre-embedded bolt and the quantity in the hole match, in advance
The surface that bolt 3 is buried perpendicular to face dam ontology 1 is arranged；Several pre-embedded steel slabs 4 are arranged in parallel, and the pre-embedded steel slab 4 is
Vertical or horizontal setting；The spacing of the pre-embedded steel slab 4 is 1-1.5 meters, and the width of the explosion-protection equipment 2 is 1.5-2 meters；
The explosion-protection equipment 2 is equipped with hole compatible with pre-embedded bolt 3, and the pre-embedded bolt 3 initially passes through the hole of pre-embedded steel slab 4,
It is then passed through corresponding hole on modular explosion-protection equipment 2, and attaching nut is fixed by the modular explosion-protection equipment 2；It is described
Explosion-protection equipment 2 is covered with the surface of entire face dam ontology 1, forms rock protection face.
The modularization explosion-protection equipment 2 is four layers of composite construction, and first layer is arc-shaped double-layer shell structure 2-1, the second layer
For the arc buffering absorbing energy layer for being close to arc-shaped double-layer shell structure 2-2 setting, third layer is cavity structure 2-3, the 4th layer
For metal Sandwich structure 2-4.
Since shock wave, bubble and secondary pressure that the destruction of underwater explosion is not only generated with water shooting have
It closes, it is also related with the safeguard structure of explosion-proof object.Water shooting energy 50%-60% is propagated in the form of shock wave, and bubble contains energy
Amount is primary power 40-50%, and shock wave is to the maximum effective energy source of surrounding medium.The explosion-protection equipment of the application is sufficiently examined
The various aspects factor for having considered underwater explosion destruction, is arranged, the arc-shaped double-layer shell structure 2-1 of first layer using four-layer structure,
Be one layer can shock isolation novel cavity structure, structure be similar to shield, most impact energy can be resisted, passed through
The arc buffering absorbing energy layer 2-2 of the second layer can carry out large deformation, again energy-absorbing buffering, provide shape using cavity structure 2-3 again
Emptying, percussion makes cavity structure 2-3 buckling at buffer air bag, has obtained fabulous cushion performance.In addition double Shell
Shock isolation has been provided, again provide deformation buffer space so that the anti-impact energy-absorbing of structure entirety greatly improves.And
Metal Sandwich structure 2-4 is used in bottom, it can also be X-type, Y type etc., the setting of sandwich plate is in plasticity which, which is U-shaped,
There is fabulous performance in terms of deformation, damage deformation, coupling pressure, speed, acceleration.It is defeated that sandwich of layers reduces shock loading
Enter, positive effect is played to malformation, interlayer structure energy absorbing efficiency is high, and sandwich of layers plasticity crumples deformation and absorbs most of energy
Amount.Further energy-absorbing anti-impact is arranged by the anti-impact energy-absorbing of domes, then by horizontal battenboard in above structure of the present invention
It hits, arch and sandwich of layers are perfectly combined and the performance of structure integrally made to play maximum raising, it is ensured that the peace of face dam ontology 1
Entirely.
Arc buffering absorbing energy layer 2-2 is the solid shape structure that cellular material or foamed aluminium material are processed into.
The heavy sandwich structure of the metal Sandwich structure 2-4 is U-shaped setting.
Described its cross sectional shape of explosion-protection equipment 2 is rectangle, and each piece of explosion-protection equipment 2 is at least arranged 4 and wears for pre-embedded bolt 3
The hole crossed, the number in the hole are even number.
Explosion-protection equipment 2 is with a thickness of 30-80cm.
It should be appreciated that following explanation is just to be even further appreciated that the application, and it is the preferred embodiment of the present invention, institute
It is described and is intended to be not construed as the limitation to the application so that the application is more easier to be understood.It is noted that, not departing from this
Under the premise of applying for inventive principle and structural framing, several improvements and modifications are further made, these improvements and modifications are at this
In the range of application protection.
Claims (4)
1. a kind of explosion-proof protective device of rock, which is characterized in that including face dam ontology (1), several pre-embedded devices and
Several modular explosion-protection equipments (2)；The pre-embedded device is embedded in face dam ontology (1), and extending panel dam ontology
(1), to the fixation explosion-protection equipment (2)；
Pre-embedded device includes pre-embedded steel slab (4) and pre-embedded bolt (3), and several pre-embedded steel slabs (4) are close to the table of face dam ontology (1)
Face setting, each pre-embedded steel slab (4) are equipped with several holes passed through for pre-embedded bolt (3), pre-embedded bolt (3) quantity and the hole
Quantity matches, and pre-embedded bolt (3) is arranged perpendicular to the surface of face dam ontology (1)；Several pre-embedded steel slabs (4), which are parallel to each other, to be set
It sets, the pre-embedded steel slab (4) is vertical or horizontal setting；The spacing of the pre-embedded steel slab (4) is 1-1.5 meters, the explosion-proof dress
The width for setting (2) is 1.5-2 meters；
The explosion-protection equipment (2) is equipped with compatible hole, the pre-embedded bolt (3) initially pass through pre-embedded steel slab with pre-embedded bolt (3)
(4) hole is then passed through corresponding hole on the explosion-protection equipment (2), and attaching nut is fixed by the mould explosion-protection equipment (2)；Institute
The surface that explosion-protection equipment (2) is covered with entire face dam ontology (1) is stated, rock protection face is formed.
2. a kind of explosion-proof protective device of rock as described in claim 1, which is characterized in that the explosion-protection equipment (2)
For four layers of composite construction, first layer is arc-shaped double-layer shell structure (2-1), and the second layer is to be close to the arc-shaped double-layer shell structure
The arc buffering absorbing energy layer (2-2) of (2-1) setting, third layer are cavity structure (2-3), and the 4th layer is metal Sandwich structure
(2-4)；
Arc buffering absorbing energy layer (2-2) is the solid shape structure that cellular material or foamed aluminium material are processed into；
The sandwich structure of the metal Sandwich structure (2-4) is U-shaped setting.
3. a kind of explosion-proof protective device of rock as described in claim 1, which is characterized in that the explosion-protection equipment (2)
Its cross sectional shape is rectangle, and 4 holes passed through for pre-embedded bolt (3), in the hole is at least arranged in each piece of explosion-protection equipment (2)
Number is even number.
4. a kind of explosion-proof protective device of rock as claimed in claim 3, which is characterized in that the explosion-protection equipment (2)
With a thickness of 30-80cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313436.0A CN109252491B (en) | 2018-11-06 | 2018-11-06 | Panel rock-fill dam explosion-proof protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313436.0A CN109252491B (en) | 2018-11-06 | 2018-11-06 | Panel rock-fill dam explosion-proof protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109252491A true CN109252491A (en) | 2019-01-22 |
| CN109252491B CN109252491B (en) | 2020-09-25 |
Family
ID=65043181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313436.0A Active CN109252491B (en) | 2018-11-06 | 2018-11-06 | Panel rock-fill dam explosion-proof protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109252491B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08100534A (en) * | 1994-09-30 | 1996-04-16 | Maeda Corp | Roofing for construction of dam |
| CN1473994A (en) * | 2003-07-31 | 2004-02-11 | 辉 黄 | Movable combined flood cut-off dam |
| CN103352418A (en) * | 2013-07-02 | 2013-10-16 | 武汉理工大学 | Underwater explosion and shock resistant device for bridge pier |
| CN204152013U (en) * | 2014-09-26 | 2015-02-11 | 黄振宇 | Combined crashproof, the blast resistant construction component of steel-concrete-steel |
| CN206554028U (en) * | 2017-03-20 | 2017-10-13 | 武汉大学 | Underwater blast resistance construction |
| CN107905179A (en) * | 2017-11-22 | 2018-04-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method |
| CN207922974U (en) * | 2018-03-09 | 2018-09-28 | 邓安仲 | Safeguard structure of the multilayer curved surface column born of the same parents as blast impulse absorbing energy layer |
-
2018
- 2018-11-06 CN CN201811313436.0A patent/CN109252491B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08100534A (en) * | 1994-09-30 | 1996-04-16 | Maeda Corp | Roofing for construction of dam |
| CN1473994A (en) * | 2003-07-31 | 2004-02-11 | 辉 黄 | Movable combined flood cut-off dam |
| CN103352418A (en) * | 2013-07-02 | 2013-10-16 | 武汉理工大学 | Underwater explosion and shock resistant device for bridge pier |
| CN204152013U (en) * | 2014-09-26 | 2015-02-11 | 黄振宇 | Combined crashproof, the blast resistant construction component of steel-concrete-steel |
| CN206554028U (en) * | 2017-03-20 | 2017-10-13 | 武汉大学 | Underwater blast resistance construction |
| CN107905179A (en) * | 2017-11-22 | 2018-04-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method |
| CN207922974U (en) * | 2018-03-09 | 2018-09-28 | 邓安仲 | Safeguard structure of the multilayer curved surface column born of the same parents as blast impulse absorbing energy layer |
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| Publication number | Publication date |
|---|---|
| CN109252491B (en) | 2020-09-25 |
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Address after: 223100 A12-2, high tech Industrial Park, three East seven street, Hongze District, Huaian, Jiangsu (Hongze technology transfer center Hongze sub center) Patentee after: HUAIYIN INSTITUTE OF TECHNOLOGY Address before: 223005 No.89, Beijing North Road, qingjiangpu District, Huai'an City, Jiangsu Province Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190122 Assignee: Jinshi environmental protection engineering technology (Changzhou) Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2021980016223 Denomination of invention: Explosion proof protection device for face rockfill dam Granted publication date: 20200925 License type: Common License Record date: 20220104 |