CN101319505A - Civil air defense cavity with energy-absorbing water-proof and pressure-proof function - Google Patents
Civil air defense cavity with energy-absorbing water-proof and pressure-proof function Download PDFInfo
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- CN101319505A CN101319505A CNA2008101232477A CN200810123247A CN101319505A CN 101319505 A CN101319505 A CN 101319505A CN A2008101232477 A CNA2008101232477 A CN A2008101232477A CN 200810123247 A CN200810123247 A CN 200810123247A CN 101319505 A CN101319505 A CN 101319505A
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Abstract
The invention relates to a civil defense cavern, in particular to a civil defense cavern with the functions of absorbing energy, preventing water and resisting pressure. The civil defense cavern comprises a cavern, wherein the inner wall of a cavern rock-soil layer is lined orderly with an energy-absorbing waterproof filling material layer and a reinforced concrete lining piece; the energy-absorbing waterproof filling material layer and the reinforced concrete lining piece are anchored to the inner wall of the rock-soil layer by a plurality of anchor rods. The invention has the advantages that: the civil defense cavern has the effects of absorbing energy once, paring force twice, releasing pressure and transloading, which can reduce the energy acting on a cavern lining structure to the utmost extent, so as to maintain the stability of the cavern in wartime; and the civil defense cavern has the functions of dynamically loading, paring force, releasing pressure and transloading stress under the action of great explosion impact and dynamic load, so as to maintain the cavern in good conditions.
Description
Technical field
The present invention relates to a kind of civil air defense cavity, specifically is a kind of civil air defense cavity with energy-absorbing waterproof and resistance to compression function.
Background technology
Civil air defense constructions and installations is the important engineering that is used to protect that countries in the world are at first considered in engineering construction.At present, civil air defense cavity is still continued to use the ordinary reinforced concrete rigid structures when design and construction, and just the strength and stiffness of structure are bigger than the strength and stiffness of general agricultural engineering, builds up the requirement that some engineering of back is difficult to reach civil air defense constructions and installations.
Summary of the invention
The purpose of this invention is to provide a kind of civil air defense cavity with energy-absorbing waterproof and resistance to compression function.Have and once absorb energy, secondary is cut power, release, reprinting effect, can reduce to affact the energy on cavern's inner lining structure to greatest extent, keeps the stable of cavern in wartime; Under huge blast impulse and dynamic load effect, have dynamic loading and cut functions such as power, release, reprinting stress, keep the cavern intact.
The present invention is achieved through the following technical solutions: a kind of civil air defense cavity with energy-absorbing waterproof and resistance to compression function, comprise the cavern, and on cavern's rock-soil layer inwall, be lined with energy-absorbing waterproof encapsulant layer and steel concrete inner piece successively; Energy-absorbing waterproof encapsulant layer and steel concrete inner piece are anchored at the rock-soil layer inwall with some anchor poles.The steel concrete inner piece is made up of some prefabricated arch steel concrete structure spare splicings; The two ends of prefabricated arch steel concrete structure spare are connected structures, be provided with a plurality of holes that can penetrate connecting axle on connected structure, the prefabricated arch steel concrete structure spare back of pegging graft penetrates in the hole with connecting axle and prefabricated arch steel concrete structure spare is movably connected and can be around the axle activity.This connected mode can make reinforced concrete inner lining structure spare do the time spent being subjected to external force, and the pressure that solid memder can be subjected to vertically is distributed on the structure of adjacent both sides, to reduce to act on the active force on the reinforced concrete liner member.And the commentaries on classics of top board load can be added to both sides, and the base plate floor lift force is changeed being added to both sides, destroy when reducing the intensity and toughness consumption of support material to greatest extent and being subjected to external force, have the effect of second protection cavern.
Energy-absorbing waterproof encapsulant layer is glass bead swelling product, polyurethane foam plastics, polyester foamed plastics or the polystyrene foamed plastic with suction moisture-proof function.The thickness of energy-absorbing waterproof encapsulant layer is generally 200-400mm.Energy-absorbing waterproof encapsulant layer has the double action that absorbs energy and waterproof, and when being subjected to surge and reaching certain numerical value, volume contraction to be to reach the energy-absorbing purpose, when avoiding being given a shock ground and destroying to the destruction of inner piece; Simultaneously, energy-absorbing waterproof encapsulant layer has waterproof action when not destroyed, enters the cavern to stop extraneous water.
The invention has the beneficial effects as follows: owing to adopted said structure, underground space structure is embedded in the ground, ground surrounds underground space structure again, so comparing with ground constant load structure, the structural relation of underground space structure has complexity, its effect not only is subjected to the load factor affecting, and be subjected to numerous factor affecting such as engineering geological conditions, humanistic environment, excavation response, when war, civil air defense cavity also is subjected to several times even tens times of huge blast impulses and dynamic load effect, compares with the ordinary reinforced concrete cavern to have following advantage:
Think according to New Austrian Tunneling Method know-why and existing achievement in research that (1) structure of the present invention makes full use of the self-supporting tendency that country rock encloses soil, make ground and structure form one, common supporting and carrying reach the bearing capacity height, reduce effect such as material use amount.
(2) have and once absorb energy, secondary is cut power, release, reprinting effect, reduces to affact the energy on cavern's inner lining structure to greatest extent, keeps the stable of cavern in wartime, after being anchor pole primary structure effect failure release, secondary structure satisfies the supporting requirement to greatest extent.Make new structure under huge blast impulse and dynamic load effect, have dynamic loading and cut functions such as power, release, reprinting stress, keep the cavern intact
(3) not only be adapted to the civil air defense ground engineering, and be adapted to the antidetonation underground construction, use very extensive.
Description of drawings
Further describe below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1.
Among the figure: 1, steel concrete inner piece, 1-1, prefabricated arch steel concrete structure spare, 1-2, hole, 2, connecting axle, 3, energy-absorbing waterproof encapsulant layer, 4, rock-soil layer, 5, anchor pole, 6, the cavern.
The specific embodiment
As shown in Figure 1, cavern's 6 cavern's walls of civil air defense cavity with energy-absorbing waterproof and resistance to compression function are by from inside to outside steel concrete inner piece 1, energy-absorbing waterproof encapsulant layer 3, rock-soil layer 4 are formed, and the equally distributed some anchor poles 5 of steel concrete inner piece 1 and energy-absorbing waterproof encapsulant layer 3 usefulness enclose soil layer 4 with country rock and are anchored at.Steel concrete inner lining structure spare 1 is a prefabricated component, generally is made up of the prefabricated arch steel concrete structure spare 1-1 splicing of 4-8 piece; The steel concrete inner lining structure spare 1 of present embodiment is made up of 4 prefabricated arch steel concrete structure spare 1-1 splicings.
As shown in Figure 2, the width L of prefabricated arch steel concrete structure spare 1-1 is generally 800-1000mm.The two ends of prefabricated arch steel concrete structure spare 1-1 are connected structures, be provided with a plurality of hole 1-2 that can penetrate connecting axle 2 on connected structure, prefabricated arched ribs concrete structure grafting back penetrates among the 1-2 of hole with connecting axle 2 prefabricated arch steel concrete structure spare 1-1 is linked together.Connecting axle 2 adopts circular reinforcing bar in the present embodiment.Prefabricated arch steel concrete structure spare 1-1 can be around the axle activity.Energy-absorbing waterproof encapsulant layer adopts glass bead swelling product, polyurethane foam plastics, polyester foamed plastics or styrofoam with suction moisture-proof function to make.The thickness of energy-absorbing waterproof encapsulant layer is 200-400mm.What present embodiment adopted is the glass bead swelling product, and its thickness is 300mm.Moisture situation adjustment under the concrete base area, underground water content is big, and the thickness of energy-absorbing waterproof encapsulant layer is thicker, otherwise, the thinner thickness of energy-absorbing waterproof encapsulant layer.
Adopting equally distributed some anchor poles 5 that energy-absorbing waterproof encapsulant layer 3 and steel concrete inner piece 1 and rock-soil layer are carried out anchoring reinforces, can reach the several times of undressed ground intensity and toughness through the ground after reinforcing, play reinforcement effect, realize initiatively once anti-timely and effectively dynamic pressure supporting.
Above combining structure makes civil air defense cavity have functions such as anti-dynamic pressure, antiseismic, anti-water.
Claims (4)
1, a kind of civil air defense cavity with energy-absorbing waterproof and resistance to compression function comprises cavern (6), it is characterized in that being lined with successively on the rock-soil layer inwall of cavern energy-absorbing waterproof encapsulant layer (3) and steel concrete inner piece (1); Energy-absorbing waterproof encapsulant layer (3) and steel concrete inner piece (1) are anchored at rock-soil layer (4) inwall with some anchor poles (5); Described steel concrete inner piece (1) is made up of some prefabricated arch steel concrete structure spares (1-1) splicing; The two ends of prefabricated arch steel concrete structure spare are connected structures, be provided with a plurality of holes (1-2) that can penetrate connecting axle on connected structure, the prefabricated arch steel concrete structure spare back of pegging graft penetrates with connecting axle (2) that in the hole prefabricated arch steel concrete structure spare is linked together also can be around the axle activity.
2, the civil air defense cavity with energy-absorbing waterproof and resistance to compression function according to claim 1 is characterized in that energy-absorbing waterproof encapsulant layer is glass bead swelling product, polyurethane foam plastics, polyester foamed plastics or styrofoam.
3, according to claim 1 or 3 described civil air defense cavities with energy-absorbing waterproof and resistance to compression function, the thickness that it is characterized in that energy-absorbing waterproof encapsulant layer is 200-400mm.
4, according to claim 1 or 3 described civil air defense cavities with energy-absorbing waterproof and resistance to compression function, the width L that it is characterized in that prefabricated arch steel concrete structure spare 1-1 is 800-1000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101232477A CN101319505B (en) | 2008-06-12 | 2008-06-12 | Civil air defense cavity with energy-absorbing water-proof and pressure-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101232477A CN101319505B (en) | 2008-06-12 | 2008-06-12 | Civil air defense cavity with energy-absorbing water-proof and pressure-proof function |
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| CN101319505A true CN101319505A (en) | 2008-12-10 |
| CN101319505B CN101319505B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101232477A Expired - Fee Related CN101319505B (en) | 2008-06-12 | 2008-06-12 | Civil air defense cavity with energy-absorbing water-proof and pressure-proof function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812996A (en) * | 2010-03-30 | 2010-08-25 | 长安大学 | Device and method for laying tunnel waterproofing layer |
| CN102011595A (en) * | 2010-10-28 | 2011-04-13 | 辽宁工程技术大学 | Coal rock tunnel impact retraction energy-absorbing support device |
| CN103398932A (en) * | 2013-07-31 | 2013-11-20 | 中国矿业大学 | Method and device for quickly testing water seepage properties of low-intensity heat-insulating materials for shafts and drifts |
| CN104060632A (en) * | 2014-06-13 | 2014-09-24 | 长江勘测规划设计研究有限责任公司 | Underground migration protective system for radioactive waste water of underground nuclear power station |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251784A (en) * | 2011-05-30 | 2011-11-23 | 中铁第四勘察设计院集团有限公司 | Double-layer lining shield tunnel duct piece and lining superposed structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1381292A (en) * | 1971-01-11 | 1975-01-22 | Cooper E F | Tunnelling |
| AT397983B (en) * | 1992-05-29 | 1994-08-25 | Mayreder Kraus & Co Ing | TUNNEL EXPANSION IN TUBING DESIGN |
| CN1047225C (en) * | 1993-12-11 | 1999-12-08 | 中国兵器工业勘察研究院 | Fully-enlosed cave internal anti-leakage method |
-
2008
- 2008-06-12 CN CN2008101232477A patent/CN101319505B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812996A (en) * | 2010-03-30 | 2010-08-25 | 长安大学 | Device and method for laying tunnel waterproofing layer |
| CN102011595A (en) * | 2010-10-28 | 2011-04-13 | 辽宁工程技术大学 | Coal rock tunnel impact retraction energy-absorbing support device |
| CN102011595B (en) * | 2010-10-28 | 2013-12-11 | 辽宁工程技术大学 | Coal rock tunnel impact retraction energy-absorbing support device |
| CN103398932A (en) * | 2013-07-31 | 2013-11-20 | 中国矿业大学 | Method and device for quickly testing water seepage properties of low-intensity heat-insulating materials for shafts and drifts |
| CN104060632A (en) * | 2014-06-13 | 2014-09-24 | 长江勘测规划设计研究有限责任公司 | Underground migration protective system for radioactive waste water of underground nuclear power station |
| CN104060632B (en) * | 2014-06-13 | 2015-06-17 | 长江勘测规划设计研究有限责任公司 | Underground migration protective system for radioactive waste water of underground nuclear power station |
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| Publication number | Publication date |
|---|---|
| CN101319505B (en) | 2010-06-09 |
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Granted publication date: 20100609 Termination date: 20110612 |