CN103628583A - Assembled type movable blast wall - Google Patents
Assembled type movable blast wall Download PDFInfo
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- CN103628583A CN103628583A CN201310562600.2A CN201310562600A CN103628583A CN 103628583 A CN103628583 A CN 103628583A CN 201310562600 A CN201310562600 A CN 201310562600A CN 103628583 A CN103628583 A CN 103628583A
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Abstract
An assembled type movable blast wall is formed by a plurality of blast wall units in an assembled mode. Each blast wall unit comprises a base, front pull rods, rear compression bars, a supporting frame, energy absorption layers and connecting bolts. Each supporting frame is fixed on the upper surface of the corresponding base, and one or more energy absorption layers are arranged inside each supporting frame in a filling mode. The energy absorption layers are formed by a plurality of prefabricated bodies which are made of EPS flow state concrete in an arrayed mode. A plurality of slide-resistant piles are distributed on the lower surface of each base. When multiple energy absorption layers are arranged, a middle layer is arranged between every two adjacent energy absorption layers. The assembled type movable blast wall can be deformed easily when undergoing impulse loads of the outside, the deformation is large, however, the flow stress level is quite low, in the compression deformation process, a large amount of power is consumed, the power is converted into energy dissipated in all sorts of modes like deformation, collapsing, fracturing and cell wall friction of holes in the structure, and thus the outside impact energy can be effectively absorbed. The assembled type movable blast wall further has the advantages of being rapid in assembling, low in cost and strong in stability.
Description
Technical field
The present invention relates to explosion-proof technology field, specifically a kind of assembling type mobile blast wall.
Background technology
Civil air defense constructions and installations is defence enemy surprise attack, effectively shelters personnel and goods and materials, preserves the critical facility that effective strength is fought and strikeed back, and to winning modernized war, has important effect.Civil air defense constructions and installations oral area is the emphasis that enemy hits, and is also the significant points that we protects, and along with scientific and technical development, precision guided weapon use amount in air strike is increasing, and accuracy at target is more and more higher, and brisance is more and more stronger, and air strike intensity is increasing.The safeguard procedures of existing civil air defense constructions and installations oral area are mainly the settings of protective door, but this has not reached the guarantee requirement of important safeguarding structure under high-tech war.Therefore the survival ability that improves civil air defense constructions and installations oral area under tech war condition is of great practical significance to winning modernized war.
With regard to current scientific and technical means, mainly from two aspects, carry out countermeasure analysis: the one, " soft protection ", i.e. camouflage.The 2nd,, " hard protection ", mainly comprises protective door reinforcing, sets up blast wall.But protective door is reinforced and is existed strengthening quality difficult guarantee, construct complicated, impact use function, construction and the high deficiency of long-time maintenance expense, and blast wall can stop the direct destruction of explosion wave and fragment, object construction is played to effective protective action, and the expense of constructing is low, arrange fast, protective action is obvious, is the first-selected measure that improves the survival ability of civil air defense constructions and installations oral area.
At notification number, be in the utility model of CN 201801972 U, a kind of " movable blast wall " disclosed, its blast wall body of wall consists of body of wall core, shear thickening materials layer and protection skin, it is outside that protection skin is wrapped in body of wall core, shear thickening materials layer is between body of wall core and protection skin, and blast wall body of wall one side lower part is provided with fixed support.
At notification number, be in the utility model of CN 202689235 U, " the reusable explosion-proof body of wall of a kind of energy and skeleton thereof " disclosed, skeleton comprises the plural netted support frame be arrangeding in parallel, the both sides of every two adjacent support frames are respectively arranged with the connecting frame of a networking shape, in every group of connecting frame, include plural connecting frame, two connecting frames adjacent in every group of connecting frame are in the removable rotation assembling of side edge, two connecting frames that go out in every group of connecting frame at edge assemble with the corresponding removable rotation of support frame respectively, two groups of connecting frames of adjacent support frame and its both sides surround in square space to be filled out and is provided with sandy soil layer or sand stone layer.
At notification number, be in the utility model of CN 202990152 U, " a kind of blast wall " disclosed, it comprises wire gauze, geotextiles, spring, latch, wire gauze and geotextiles are combined into surrounds solid geometry figure stroke filling place, junction between wire gauze is joined by spring rotation, and latch is through spring.
At publication number, be in the innovation and creation of CN 101078243 A " assembling blast wall and turnover road stab combination protector ", a kind of " assembling blast wall " disclosed, reinforcement clad steel panel in this blast wall adopts, inner by requirement being set and varying in weight, fill respectively sand and concrete, each member is provided with twice adjustable inclined behind and supports.
At notification number, be in the utility model of CN 201512873 U, a kind of " by the Antiknock wall body of profiled sheet and Combined concrete " disclosed, it comprises reinforcing bar, concrete and a profiled sheet, and reinforcing bar and concrete are in the outside of profiled sheet, and concrete wraps reinforcing bar.
At present both at home and abroad to the object of blast wall research be mainly in struggle against terror for the protection of highest priority, mainly comprise steel concrete blast wall, reinforced earth blast wall, reinforced masonry blast wall, container-type blast wall, steel plate concrete etc.For the blast wall using in civil air defense constructions and installations oral area, have 3 most important: the one, protective capacities; The 2nd, construct the time; The 3rd, portable ability.Battlefield surroundings changes rapidly, needs to set up effective defense system in the short time, and the medium-and-large-sized machinery of battlefield surroundings is difficult to assist in addition, and existing all kinds of blast walls exist following problem: 1, cost is higher; 2, drag is inadequate or energy-absorbing is poor; 3, gross weight is larger; 4, poor stability; 5, construct the time longer, need to use machinery to install.
The innovation and creation Zhong， Air Engineering Univ., PLA that is 201210473107.9 at application number discloses a kind of EPS chutable concrete and preparation method thereof.This EPS concrete the has been a kind of admixture mineral matter bonded concrete of EPS particle.By changing EPS mix proportion, can prepare unit weight from 250kg/m
3to 2000kg/m
3the concrete not waiting, intensity improves successively.From aspects such as unit weight, energy absorption performance, capability of resistance to penetration, economy, site operation difficulty, resistances to elevated temperatures, EPS concrete possesses the potentiality of the civil air defense constructions and installations of being applicable to.
Summary of the invention
For overcome in prior art, exist or cost higher, or drag is inadequate, or energy-absorbing is poor, or gross weight is larger, or poor stability, or the time of constructing is longer, need to use machinery to install, and the present invention proposes a kind of assembling type mobile blast wall.
The present invention is assembled by a plurality of blast walls unit; Described blast wall unit comprises base, front tension bar, rear depression bar, support frame, absorbing energy layer and comprises the connector of bolt, nut.Support frame is fixed on the upper surface of base, and one or more layers absorbing energy layer is filled in support frame; Described absorbing energy layer is that a plurality of columniform precast body discharges made from EPS chutable concrete form; Soffit at described base is distributed with a plurality of anchor spikes.When described absorbing energy layer is multilayer, between adjacent two-layer absorbing energy layer, there is intermediate layer.
Described support frame is comprised of support panel, connecting screw rod (with threaded cylinder), front panel and frame, the front tension bar that has many frame and support panel edges with support frame to be connected on the support panel of support frame; On the support panel of support frame, there are the many rear depression bars that are connected with base; On the frame of described support frame both sides, be distributed with reserved through hole, during for a plurality of blast wall unit combination, nuts and bolt cooperation is connected two adjacent blast wall unit; On the support panel of described support frame, be distributed with a plurality of connecting screw rods, after the front panel assembling of absorbing energy layer, support frame, front panel with nut fiting constraint support frame, guarantee when withstanding shocks load, front panel can, along the axis direction motion compresses absorbing energy layer of connecting screw rod, be guaranteed maximum energy-absorbing.
The length of this base is identical with the length l of blast wall unit, and the width of this base is greater than the width d of support frame, with the front tension bar on can fixed support framework and the rear depression bar on support panel, and improves the whole resistance to capsizing of blast wall.
Due to the technique scheme of taking, the present invention has following characteristics:
(1) assemble rapid, removable.Between each member, there is stronger matching; Member is lightweight separately, and total quality is lighter, is convenient to a dead lift.
(2) cost is low.The material of main part using is concrete, and wide material sources are cheap.
(3) lightweight.Material therefor is glass fiber reinforced plastic, high-strength light steel, light weight concrete construction, and the consumption of high-strength steel is less, and overall weight is light.
(4) stability is strong.In support system, the design of front tension bar, rear depression bar can be delivered to Steady base by the Load Effects of bearing on support panel, then by anchor spike, is delivered to ground, has guaranteed that self-stability, whole antiskid move and resistance to capsizing.
(5) high drag.In the present invention, the main body of the support panel of support frame, absorbing energy layer, the compound formation blast wall of front panel three, can resist air-shock wave effectively, changes the direction of propagation of air-shock wave, has excellent wave arrestment ability.
(6) high energy-absorbing.The support panel of support frame, absorbing energy layer, the front panel three formation layered structure that mutually superposes, the difference of interlayer wave impedance causes interfacial effect, show interface energy-absorbing, and the distinctive cavity characteristics of absorbing energy layer soil causes it in distortion, to exist three phases: elastic region, yield point elongation district and dense area, excellent energy absorption characteristics is mainly manifested in the surrender stage, when being subject to foreign impacts load, be easy to deform, deflection is large and flow stress level is lower, in compressive strain process, consume a large amount of merits, changed into the distortion of structure mesopore, cave in, break, the energy that the various forms such as cell wall friction dissipate, thereby effectively absorb extraneous impact energy.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is structural representations of blast wall general frame;
Accompanying drawing 3 is schematic diagrames of Prefabricated porous material energy absorption unit;
Accompanying drawing 4 is structural representations of base;
Accompanying drawing 5 is schematic diagrames that individual layer absorbing energy layer moves assembling blast wall;
Accompanying drawing 6 is schematic diagrames that three layers of absorbing energy layer move assembling blast wall;
Accompanying drawing 7 is structural representations of connector.
In accompanying drawing:
1. base; 2. front tension bar; 3. rear depression bar; 4. support frame; 5. absorbing energy layer; 6. anchor spike; 7. connector; 8. support panel; 9. connecting screw rod; 10. frame; 11. front panels; 12. nuts; 13. energy-absorbing unit.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
Embodiment mono-
The present embodiment is a kind of explosion-proof mobile wall that can rapid-assembling, a plurality of blast walls unit, consists of, and can in several minutes, complete its assembling, forms defense system.The quantity of blast wall unit is definite according to explosion-proof scope, and the explosion-proof mobile wall described in the present embodiment is comprised of five blast wall unit.
The structure of described a plurality of blast walls unit is identical, in the present embodiment, take that one of them is described in detail as example.
Described blast wall unit comprises base 1, front tension bar 2, rear depression bar 3, support frame 4, absorbing energy layer 5, anchor spike 6 and comprises the connector 7 of bolt, nut.
The frame construction that described support frame 4 is rectangular box shape, is comprised of the support panel 8 made from high-strength light steel, connecting screw rod 9, frame 10 and the front panel 11 made with glass fiber reinforced plastic, is fixed on the upper surface of base 1.On the frame of support frame 4, there are many front tension bars, the upper end of this front tension bar and the frame of support frame and the welding of support panel edge, the lower end of this front tension bar and base 1 welding; Depression bar after having many on the support panel of support frame 4, the upper end of this rear depression bar and the welding of the support panel of support frame, the lower end of this rear depression bar and base 1 welding; By described front tension bar, rear depression bar and base, support described support frame.On the frame of described support frame 4 both sides, be distributed with the reserved through hole that connector is used, when combining a plurality of blast walls unit, two adjacent blast wall unit be connected.
On the support panel of described support frame 4, be distributed with a plurality of connecting screw rods 9, with the front panel of nut 12 fiting constraint support frames, guarantee when withstanding shocks load, front panel can, along the axis direction motion compresses absorbing energy layer of connecting screw rod, improve energy-absorbing efficiency.Described connecting screw rod adopts high-strength light steel to make.
Described absorbing energy layer 5 is stacked together by the energy-absorbing unit of a plurality of Prefabricated porous materials made from EPS chutable concrete.
Described energy-absorbing unit is cylindrical, and its diameter is 200mm, and the width d of highly≤support frame 4 is advisable with axial being placed in support frame 4 of level.
Described EPS chutable concrete and preparation method thereof all adopts prior art.EPS chutable concrete is made to the energy-absorbing unit becoming in the present embodiment by cylindrical die, during use, a plurality of energy-absorbings unit is emitted in support frame 4 one by one, until full by filling in this support frame.
In by this support frame, fill behind full Prefabricated porous material energy absorption unit, the front panel that glass fiber reinforced plastic is made is by a plurality of connecting screw rods that distribute on support panel, and attaching nut 12 is connected with support frame.
Described base 1 adopts work shaped steel to be welded.The length of this base 1 is identical with the length l of blast wall unit, and the width of this base 1 is greater than the width d of support frame, with the front tension bar on can fixed support framework panel and the rear depression bar on support panel.At the soffit of described base, be distributed with a plurality of anchor spikes 6, by coordinating of this anchor spike and stake hole, ground, prevent that blast wall from integral slipping occurring when withstanding shocks load and topple.
Embodiment bis-
The present embodiment is a kind of explosion-proof mobile wall that can rapid-assembling, a plurality of blast walls unit, consists of, and can in several minutes, complete its assembling, forms defense system.The quantity of blast wall unit is definite according to explosion-proof scope, and the explosion-proof mobile wall described in the present embodiment is comprised of ten blast wall unit.
The structure of described a plurality of blast walls unit is identical, in the present embodiment, take that one of them is described in detail as example.
Described blast wall unit comprises base 1, front tension bar 2, rear depression bar 3, support frame 4, absorbing energy layer 5, anchor spike 6 and comprises the connector 7 of bolt, nut.
The frame construction that described support frame 4 is rectangular box shape, is comprised of the support panel 8 made from high-strength light steel, connecting screw rod 9, frame 10 and the front panel 11 made with glass fiber reinforced plastic, is fixed on the upper surface of base 1.On the frame of support frame 4, there are many front tension bars, the upper end of this front tension bar and the frame of support frame and the welding of support panel edge, the lower end of this front tension bar and base 1 welding; Depression bar after having many on the support panel of support frame 4, the upper end of this rear depression bar and the welding of the support panel of support frame, the lower end of this rear depression bar and base 1 welding; By described front tension bar, rear depression bar and base, support described support frame.On the frame of described support frame 4 both sides, be distributed with the reserved through hole that connector is used, when combining a plurality of blast walls unit, two adjacent blast wall unit be connected.
On the support panel of described support frame 4, be distributed with a plurality of connecting screw rods 9, with the front panel of nut 12 fiting constraint support frames, guarantee when withstanding shocks load, front panel can, along the axis direction motion compresses absorbing energy layer of connecting screw rod, improve energy-absorbing efficiency.Described connecting screw rod adopts high-strength light steel to make.
Three layers of absorbing energy layer that described absorbing energy layer 5 forms for discharged the absorbing energy layer that forms and intermediate layer by a plurality of precast bodies made from EPS chutable concrete.Described three layers of absorbing energy layer comprise the first absorbing energy layer, the second absorbing energy layer and intermediate layer, and intermediate layer is between the first absorbing energy layer and the second absorbing energy layer.
Described absorbing energy layer is stacked and is formed by the energy-absorbing unit of a plurality of Prefabricated porous materials.Described energy-absorbing unit is cylindrical, its diameter 100mm.Height h≤the d/2-b/2 of described energy-absorbing unit, is advisable with axial being placed in support frame 4 of level; Wherein, d is the width of support frame 4, and b is the thickness in intermediate layer.
Intermediate layer in described absorbing energy layer adopts high-strength light steel to make, and thickness b is 5mm.On this intermediate layer, be useful on the installing hole that the connecting screw rod of support frame 4 passes through.
Described EPS chutable concrete and preparation method thereof all adopts prior art.EPS chutable concrete is made to the precast body that becomes the absorbing energy layer in the present embodiment by cylindrical die, during use, a plurality of energy-absorbings unit is emitted in support frame 4 and near support panel inner surface one by one, until full by filling near support panel place in this support frame, formed the first absorbing energy layer.Intermediate layer is sleeved on the connecting screw rod on support panel by connecting screw rod installing hole.A plurality of Prefabricated porous material energy absorptions unit is emitted in support frame 4 and the surface in close intermediate layer one by one, until by filling completely near place, intermediate layer in this support frame, formed the second absorbing energy layer.
In by this support frame, fill behind full Prefabricated porous material energy absorption unit, the front panel that glass fiber reinforced plastic is made is by a plurality of connecting screw rods 9 that distribute on support panel, and attaching nut 12 is connected with support frame.
Described base 1 adopts work shaped steel to be welded.The length of this base 1 is identical with the length l of blast wall unit, and the width of this base 1 is greater than the width d of support frame, with the front tension bar on can fixed support framework panel and the rear depression bar on support panel.At the soffit of described base, be distributed with a plurality of anchor spikes 6, by coordinating of this anchor spike and stake hole, ground, prevent that blast wall from integral slipping occurring when withstanding shocks load and topple.
Claims (4)
1. an assembling type mobile blast wall, is characterized in that, by a plurality of blast walls unit, is assembled; Described blast wall unit comprises base, front tension bar, rear depression bar, support frame, energy-absorbing layer and connecting bolt; Support frame is fixed on the upper surface of base, and one or more layers energy-absorbing layer is filled in support frame; Described energy-absorbing layer is that a plurality of energy-absorbing unit discharges made from EPS chutable concrete or foam concrete form; Soffit at described base is distributed with a plurality of antislide piles.
2. a kind of assembling type mobile blast wall as claimed in claim 1, is characterized in that, described support frame is comprised of panel, backboard and frame, has the many front tension bars that are connected with support frame frame on the panel of support frame; On the backboard of support frame, there are the many rear depression bars that are connected with base; On the frame of described support frame both sides, be distributed with connecting hole, when combining a plurality of blast walls unit, two adjacent blast wall unit be connected; On the backboard of described support frame, be distributed with a plurality of connecting bolts, for the panel of support frame is fixedly connected with support frame.
3. a kind of assembling type mobile blast wall as claimed in claim 1, is characterized in that, when described energy-absorbing layer is multilayer, between adjacent two-layer energy-absorbing layer precast body, having intermediate layer.
4. a kind of assembling type mobile blast wall as claimed in claim 1, it is characterized in that, the length of this base is identical with the length l of blast wall unit, and the width of this base is greater than the width d of support frame, with the front tension bar on can fixed support framework panel and the rear depression bar on backboard.
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| CN201310562600.2A CN103628583B (en) | 2013-11-12 | 2013-11-12 | A kind of assembling type mobile blast wall |
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| CN201310562600.2A CN103628583B (en) | 2013-11-12 | 2013-11-12 | A kind of assembling type mobile blast wall |
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| CN103628583A true CN103628583A (en) | 2014-03-12 |
| CN103628583B CN103628583B (en) | 2016-04-20 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863289A (en) * | 2015-04-28 | 2015-08-26 | 中机国能电力工程有限公司 | Pressure-relief type anti-explosion wall structure |
| CN105781204A (en) * | 2016-04-18 | 2016-07-20 | 李钢 | Mobile anti-terrorism anti-explosion vehicle stopping guard wall |
| CN106013502A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Detachable hanging plate type blast wall |
| CN106245775A (en) * | 2016-08-03 | 2016-12-21 | 中国十七冶集团有限公司 | A kind of packaged type building model wall pallet |
| KR20160148763A (en) * | 2015-06-16 | 2016-12-27 | 삼성중공업 주식회사 | Blastwall structure |
| CN106769155A (en) * | 2017-02-14 | 2017-05-31 | 中国人民解放军理工大学 | Multifunctional unit into layered structure blast resistance test device |
| CN106978867A (en) * | 2017-03-06 | 2017-07-25 | 精工工业建筑系统有限公司 | A kind of collapsible energy-absorbing venting of dust explosion internal partition wall wall stand structure |
| KR20180003660A (en) * | 2016-06-30 | 2018-01-10 | 삼성중공업 주식회사 | Blast load diminishing apparatus |
| CN107605059A (en) * | 2017-10-09 | 2018-01-19 | 西南科技大学 | A kind of Novel movable assembled blast wall |
| CN110607851A (en) * | 2019-06-28 | 2019-12-24 | 北京航天新风机械设备有限责任公司 | Blast wall suitable for under open-air test condition |
| CN112252500A (en) * | 2020-11-30 | 2021-01-22 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light-duty modularization blast wall |
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863289A (en) * | 2015-04-28 | 2015-08-26 | 中机国能电力工程有限公司 | Pressure-relief type anti-explosion wall structure |
| KR101722440B1 (en) | 2015-06-16 | 2017-04-05 | 삼성중공업 주식회사 | Blastwall structure |
| KR20160148763A (en) * | 2015-06-16 | 2016-12-27 | 삼성중공업 주식회사 | Blastwall structure |
| CN105781204A (en) * | 2016-04-18 | 2016-07-20 | 李钢 | Mobile anti-terrorism anti-explosion vehicle stopping guard wall |
| CN106013502A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Detachable hanging plate type blast wall |
| KR20180003660A (en) * | 2016-06-30 | 2018-01-10 | 삼성중공업 주식회사 | Blast load diminishing apparatus |
| KR101864158B1 (en) * | 2016-06-30 | 2018-06-05 | 삼성중공업 주식회사 | Blast load diminishing apparatus |
| CN106245775A (en) * | 2016-08-03 | 2016-12-21 | 中国十七冶集团有限公司 | A kind of packaged type building model wall pallet |
| CN106769155A (en) * | 2017-02-14 | 2017-05-31 | 中国人民解放军理工大学 | Multifunctional unit into layered structure blast resistance test device |
| CN106978867A (en) * | 2017-03-06 | 2017-07-25 | 精工工业建筑系统有限公司 | A kind of collapsible energy-absorbing venting of dust explosion internal partition wall wall stand structure |
| CN106978867B (en) * | 2017-03-06 | 2023-09-12 | 精工工业建筑系统有限公司 | Collapsible energy-absorbing explosion-venting inner partition wall frame structure |
| CN107605059A (en) * | 2017-10-09 | 2018-01-19 | 西南科技大学 | A kind of Novel movable assembled blast wall |
| CN107605059B (en) * | 2017-10-09 | 2020-07-10 | 西南科技大学 | Remove assembled blast wall |
| CN110607851A (en) * | 2019-06-28 | 2019-12-24 | 北京航天新风机械设备有限责任公司 | Blast wall suitable for under open-air test condition |
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
| CN112504599B (en) * | 2020-11-20 | 2023-09-22 | 陕西煤业化工技术研究院有限责任公司 | Friction energy absorption plate collision test wall and prefabrication and construction installation process thereof |
| CN112252500A (en) * | 2020-11-30 | 2021-01-22 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light-duty modularization blast wall |
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