CN103868793B - For the post-tensioned prestressed steel band of large-scale blast wave analogue means - Google Patents
For the post-tensioned prestressed steel band of large-scale blast wave analogue means Download PDFInfo
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- CN103868793B CN103868793B CN201410101002.XA CN201410101002A CN103868793B CN 103868793 B CN103868793 B CN 103868793B CN 201410101002 A CN201410101002 A CN 201410101002A CN 103868793 B CN103868793 B CN 103868793B
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- steel band
- dish spring
- post
- loading plate
- analogue means
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Abstract
The invention belongs to the anti-dynamic load prestressed reinforced concrete structure of protection works technical field, propose a kind of post-tensioned prestressed steel band for large-scale blast wave analogue means. The steel band (1) that post-tensioned prestressed steel band has is domes; The bottom at steel band (1) two ends is respectively arranged with the prestressing apparatus being made up of loading plate (5), dish spring group (4), the afterburning ring of dish spring (6) and foundation bolt (3); Loading plate (5) is fixed on the bottom of steel band (1); The top of loading plate (5) is provided with dish spring group (4); The top of dish spring group (4) arranges the afterburning ring of dish spring (6). The present invention can bear repeatedly impact shock, has ensured the safety and stability of Resistance of Reinforced Concrete Structures implode; And have simple in structure, convenient for installation and maintenance, good, the anti-dynamic behavior of security performance is good, post-tensioned prestressing is controlled, the adjustable feature of size.
Description
Technical field
The invention belongs to the anti-dynamic load prestressed reinforced concrete structure of protection works technical field, relate to a kind of prestressing force fixed structure, relate in particular to a kind of post-tensioned prestressed steel band structure for large-scale blast wave analogue means.
Background technology
High pressure section in large-scale blast wave analogue means is the structure of directly bearing implode in blast wave analogue means, in running, high pressure section will bear Blast Loads thousands of times, conventional prestressed structure almost cannot generate, therefore, carry out the research of post-tensioned prestressed steel band, the reinforced concrete structure safety and stability that resists repeatedly implode has important function and significance.
Summary of the invention
The object of the invention is to propose a kind of post-tensioned prestressed steel band for large-scale blast wave analogue means, can bear repeatedly impact shock, meet the demand of large-scale blast wave analogue means, ensure the safety and stability of Resistance of Reinforced Concrete Structures implode; And have simple in structure, convenient for installation and maintenance, good, the anti-dynamic behavior of security performance is good, post-tensioned prestressing is controlled, the adjustable feature of size.
For achieving the above object, the present invention takes following technical scheme:
For a post-tensioned prestressed steel band for large-scale blast wave analogue means, the steel band that described post-tensioned prestressed steel band has is the domes of hoop on the outer wall of the high pressure section steel plate armored concrete composite construction of large-scale blast wave analogue means; The bottom at described steel band two ends is respectively arranged with prestressing apparatus; Described prestressing apparatus includes loading plate, dish spring group, the afterburning ring of dish spring and foundation bolt; Described loading plate is fixed on the bottom of steel band, the load parts when forming post-tensioned prestressed steel band and applying prestressing force; The top of described loading plate arranges dish spring group, when the nut on foundation bolt is to the afterburning ring of dish spring during by designing requirement load application, and be under pressure load strain occurs of dish spring group, thus make steel band realize post-tensioned prestressing; Described dish spring group is by multiple butterfly springs staggered relatively forming between two, and multiple butterfly spring is fixed on foundation bolt by positioning sleeve; The top of described dish spring group arranges the afterburning ring of dish spring; The afterburning ring of described dish spring, dish spring group, loading plate are connected on reinforced concrete beds by foundation bolt.
Described butterfly spring is made up of spring steel.
The outer setting of described dish spring group has seal closure.
The bottom at described steel band two ends is provided with to increase the steel band reinforcement of loading plate rigidity, and the plane at described steel band reinforcement place is perpendicular to the plane at loading plate place, and perpendicular to the plane at steel band place; One side of steel band reinforcement is connected with steel band, and another side is connected with loading plate.
The termination width of described steel band is greater than the width in the middle of steel band, and the intermediate width of steel band is 350mm, and thickness is 10mm.
Described loading plate is rectangular steel plates structure, and thickness is 50mm, has the circular hole for coordinating in foundation bolt on described loading plate, and described circular hole is two, and two described circular holes are positioned at the both sides of steel band reinforcement.
Described steel band reinforcement is pentagon steel construction, thickness 20mm.
The afterburning ring of described dish spring is thick middle, all thin steel constructions of ring, and the centre of the afterburning ring of described dish spring has the circular hole passing in order to foundation bolt.
A kind of post-tensioned prestressed steel band for large-scale blast wave analogue means that the present invention proposes, can bear repeatedly impact shock, meets the demand of large-scale blast wave analogue means, has ensured the safety and stability of Resistance of Reinforced Concrete Structures implode; And there is feature simple in structure, convenient for installation and maintenance, that good, the anti-dynamic behavior of security performance is good, post-tensioned prestressing is controlled, size is adjustable, to ensureing the safety of Resistance of Reinforced Concrete Structures implode and stablizing significant.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of steel band in the present invention.
Fig. 3 is the structural representation of loading plate in the present invention
Fig. 4 is the structural representation of steel band reinforcement in the present invention.
Fig. 5 is the structural representation of prestressing apparatus in the present invention.
Fig. 6 is the structural representation of the afterburning ring of dish spring in the present invention.
In figure: 1, steel band, 2, steel band reinforcement, 3, foundation bolt, 4, dish spring group, 5, loading plate, 6, the afterburning ring of dish spring, 7, positioning sleeve, 8, seal closure.
Detailed description of the invention
Understand and implement the present invention for the ease of those of ordinary skill in the art, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, and in conjunction with Fig. 2, Fig. 5, for a post-tensioned prestressed steel band for large-scale blast wave analogue means, the steel band 1 that described post-tensioned prestressed steel band has is the domes of hoop on the outer wall of the high pressure section steel plate armored concrete composite construction of large-scale blast wave analogue means; The termination width of described steel band 1 is greater than the width in the middle of steel band, and the intermediate width of steel band is 350mm, and thickness is 10mm; The bottom at described steel band 1 two ends is respectively arranged with prestressing apparatus; In this embodiment, described prestressing apparatus is to be arranged on four groups of steel band 1 two ends; Described prestressing apparatus includes loading plate 5, dish spring group 4, the afterburning ring 6 of dish spring and foundation bolt 3; Described loading plate 5 is fixed on the bottom of steel band 1, the load parts when forming post-tensioned prestressed steel band and applying prestressing force; The top of described loading plate 5 arranges dish spring group 4, when the nut on foundation bolt 3 is to the afterburning ring 6 of dish spring during by designing requirement load application, and be under pressure load strain occurs of dish spring group, thus make steel band realize post-tensioned prestressing; Described dish spring group 4 is by ten butterfly springs staggered relatively forming between two, and ten butterfly springs position by positioning sleeve; Described butterfly spring is made up of spring steel; The outer setting of described dish spring group 4 has seal closure 8, is the apparatus of repair parts of dish spring group 4, and inside is full of anticorrosion ointment, to ensure the outdoor work environment of dish spring group 4. The top of described dish spring group 4 arranges the afterburning ring 6 of dish spring; Described dish spring group 4 is fixed on foundation bolt 3 by positioning sleeve 7, and is clipped between the afterburning ring 6 of loading plate 5 and dish spring, the compression degree that the nut by foundation bolt 3 can regulation disc spring group 4, thus change the prestressing force size in prestressing force steel band; Described foundation bolt 3 is fixed on loading plate 5, dish spring group 4, the afterburning ring 6 of dish spring and positioning sleeve 7 on reinforced concrete beds.
The bottom at described steel band 1 two ends is provided with to increase the steel band reinforcement 2 of loading plate rigidity, and the plane at described steel band reinforcement 2 places is perpendicular to the plane at loading plate place, and perpendicular to the plane at steel band 1 place; One side of steel band reinforcement 2 is connected with steel band 1, and another side is connected with loading plate 5.
As shown in Figure 3, described loading plate 5 is rectangular steel plates structure, and thickness is 50mm, has the circular hole for coordinating in foundation bolt on described loading plate, and described circular hole is two, and two described circular holes are positioned at the both sides of steel band reinforcement.
As shown in Figure 4, described steel band reinforcement is pentagon steel construction, thickness 20mm.
As shown in Figure 6, the afterburning ring of described dish spring is thick middle, all thin steel constructions of ring, and the centre of the afterburning ring of described dish spring has the circular hole passing in order to foundation bolt.
Claims (8)
1. for a post-tensioned prestressed steel band for large-scale blast wave analogue means, it is characterized in that: the steel band (1) that described post-tensioned prestressed steel band has is the domes of hoop on the outer wall of the high pressure section steel plate armored concrete composite construction of large-scale blast wave analogue means; The bottom at described steel band (1) two ends is respectively arranged with prestressing apparatus; Described prestressing apparatus includes loading plate (5), dish spring group (4), the afterburning ring of dish spring (6) and foundation bolt (3); Described loading plate (5) is fixed on the bottom of steel band (1), the load parts when forming post-tensioned prestressed steel band and applying prestressing force; The top of described loading plate (5) arranges dish spring group (4), when the nut on foundation bolt is to the afterburning ring of dish spring during by designing requirement load application, and be under pressure load strain occurs of dish spring group, thus make steel band realize post-tensioned prestressing; Described dish spring group (4) is by multiple butterfly springs staggered relatively forming between two, and multiple butterfly spring is fixed on foundation bolt (3) by positioning sleeve (7); The top of described dish spring group (4) arranges the afterburning ring of dish spring (6); The described afterburning ring of dish spring (6), dish spring group (4), loading plate (5) are connected on reinforced concrete beds by foundation bolt (3).
2. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 1, is characterized in that: described butterfly spring is made up of spring steel.
3. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 1, is characterized in that: the outer setting of described dish spring group (4) has seal closure (8).
4. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 1, it is characterized in that: the bottom at described steel band (1) two ends is provided with to increase the steel band reinforcement (2) of loading plate rigidity, the plane at described steel band reinforcement (2) place is perpendicular to the plane at loading plate place, and perpendicular to the plane at steel band place; One side of steel band reinforcement (2) is connected with steel band (1), and another side is connected with loading plate (5).
5. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 1, is characterized in that: the termination width of described steel band (1) is greater than the width in the middle of steel band, and the intermediate width of steel band is 350mm, and thickness is 10mm.
6. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 4, it is characterized in that: described loading plate (5) is rectangular steel plates structure, thickness is 50mm, on described loading plate (5), there is the circular hole for coordinating with foundation bolt, described circular hole is two, and described two circular holes are positioned at the both sides of steel band reinforcement.
7. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 4, is characterized in that: described steel band reinforcement (2) is pentagon steel construction, and thickness is 20mm.
8. the post-tensioned prestressed steel band for large-scale blast wave analogue means according to claim 1, it is characterized in that: the described afterburning ring of dish spring (6) is thick middle, all thin steel constructions of ring, and the centre of the afterburning ring of described dish spring (6) has the circular hole passing in order to foundation bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101002.XA CN103868793B (en) | 2014-03-19 | 2014-03-19 | For the post-tensioned prestressed steel band of large-scale blast wave analogue means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410101002.XA CN103868793B (en) | 2014-03-19 | 2014-03-19 | For the post-tensioned prestressed steel band of large-scale blast wave analogue means |
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| CN103868793A CN103868793A (en) | 2014-06-18 |
| CN103868793B true CN103868793B (en) | 2016-05-04 |
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| CN201410101002.XA Expired - Fee Related CN103868793B (en) | 2014-03-19 | 2014-03-19 | For the post-tensioned prestressed steel band of large-scale blast wave analogue means |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106402230B (en) * | 2016-09-28 | 2019-06-11 | 安阳强基精密制造产业园股份有限公司 | A kind of shock resistance reaction member and device |
| CN109295974A (en) * | 2018-09-27 | 2019-02-01 | 中国人民解放军军事科学院国防工程研究院 | A kind of dynamic load modular controllable displacement prestress anchorage cable head elasticity system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0848264A1 (en) * | 1996-12-12 | 1998-06-17 | European Community | Seismic wave simulation apparatus |
| CN201674062U (en) * | 2010-03-24 | 2010-12-15 | 中航光电科技股份有限公司 | Shock resistant connector |
| CN102002947A (en) * | 2010-12-06 | 2011-04-06 | 武汉大学 | Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof |
| CN202594376U (en) * | 2012-03-20 | 2012-12-12 | 宣化钢铁集团有限责任公司 | Adjustable buffering baffle plate device capable of improving anti-corrosion capacity |
| CN203869936U (en) * | 2014-03-19 | 2014-10-08 | 中国人民解放军总参谋部工程兵科研三所 | Prestressed post-tensioned steel belt for large blast wave simulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101229188B1 (en) * | 2011-01-18 | 2013-02-01 | 연세대학교 산학협력단 | Apparatus and system for measuring deformation of concrete structure under blast loading |
-
2014
- 2014-03-19 CN CN201410101002.XA patent/CN103868793B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0848264A1 (en) * | 1996-12-12 | 1998-06-17 | European Community | Seismic wave simulation apparatus |
| CN201674062U (en) * | 2010-03-24 | 2010-12-15 | 中航光电科技股份有限公司 | Shock resistant connector |
| CN102002947A (en) * | 2010-12-06 | 2011-04-06 | 武汉大学 | Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof |
| CN202594376U (en) * | 2012-03-20 | 2012-12-12 | 宣化钢铁集团有限责任公司 | Adjustable buffering baffle plate device capable of improving anti-corrosion capacity |
| CN203869936U (en) * | 2014-03-19 | 2014-10-08 | 中国人民解放军总参谋部工程兵科研三所 | Prestressed post-tensioned steel belt for large blast wave simulator |
Non-Patent Citations (3)
| Title |
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| Development of a Structure for Blast Wave Mitigation;Shiro Kubota et al.;《Propellants, Explosives, Pyrotechnics》;20111231;第36卷;第110－118页 * |
| ***波作用下预应力锚索受力特征研究;张亮亮 等;《岩土工程学报》;20090731;第31卷(第7期);第1099－1104页 * |
| 预应力锚索抗爆洞室加固效果试验研究;夏元友 等;《工程***》;20080930;第14卷(第3期);第8－12页 * |
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| CN103868793A (en) | 2014-06-18 |
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