CN110644640B - Explosion-proof wall connecting structure capable of rotating around node relatively - Google Patents
Explosion-proof wall connecting structure capable of rotating around node relatively Download PDFInfo
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- CN110644640B CN110644640B CN201910945740.5A CN201910945740A CN110644640B CN 110644640 B CN110644640 B CN 110644640B CN 201910945740 A CN201910945740 A CN 201910945740A CN 110644640 B CN110644640 B CN 110644640B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to an explosion-proof wall connecting structure capable of relatively rotating around a node, belonging to the technical field of civil engineering, wherein two ends of an explosion-proof wall are respectively connected and fixed with a concrete column through wall column connecting pieces; the wall connecting piece mainly comprises side column rectangular steel cylinders and rotating assemblies, two side column rectangular steel cylinders are fixed at the end part of the hollow steel wall body, the side column rectangular steel cylinders are connected with the hollow steel wall body through bolts, and a plurality of rotating assemblies are arranged between the two side column rectangular steel cylinders; concrete is poured in the hollow steel wall body and between the side column rectangular steel cylinders, and foamed aluminum is filled in the side column rectangular steel cylinders.
Description
Technical Field
The invention relates to an explosion-proof wall connecting structure capable of rotating relatively around a node, and belongs to the technical field of disaster prevention and reduction engineering.
Background
Explosive places such as oil depots, chemical enterprises, refueling and gas filling stations, gas supply places, gas storage stations and the like often cause structural damage, massive casualties and economic losses due to explosion, and military places such as target ranges, training fields, test fields, depot areas, navigation channels and the like also need to be provided with explosion-proof walls independently to control possible explosion events. In addition, terrorist attacks, local war conflicts and other explosion situations occur, and the explosion-proof wall structure with good explosion-proof and impact-proof effects is arranged to reduce the damage of the explosion to the lives and properties of people and surrounding structures.
The Chinese patent of patent application number 201610449136.X provides a design method of a large-deformation fracture-resistant explosion-proof wall, which mainly absorbs the energy of explosion shock waves by arranging plastic deformation of a plurality of layers of light corrugated steel plates and filling of high-damping high-elasticity materials in the explosion-proof wall, has a single energy conversion form, cannot release the energy in a kinetic energy form, completes the structural section design of the wall body, and is not designed aiming at key measures such as wall body connection and the like; the invention provides a design method of a novel fiber concrete anti-explosion impact wallboard in the patent application number 201910116998.4, which mainly starts from the energy consumption and strength of an anti-explosion structure, does not effectively control and reasonably foresee the form and the motion path of a damaged wall body, and cannot comprehensively control the splashing of concrete fragments caused by the action of explosion shock waves on the wall body. The design of the anti-explosion wall body connecting structure which consumes the energy of explosion shock waves by relative rotation of the anti-explosion wall body around the node and further has the effect of protecting the personnel and the structures behind the anti-explosion wall body is not mentioned, and the anti-explosion wall body connecting structure design which considers the possible damage form and the control and the prediction of the motion path of the wall body and the structural connecting form between the anti-explosion wall body and the column body are not provided in the anti-explosion wall body connecting structure design.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the explosion-proof wall connecting structure which can effectively resist the energy of explosion shock waves and has a wide application range and can rotate relatively around the node.
In order to achieve the purpose, the technical scheme adopted by the invention is an explosion-proof wall body structure capable of relatively rotating around a node, and the explosion-proof wall body structure comprises concrete columns and an explosion-proof wall body fixed between the concrete columns, wherein two ends of the explosion-proof wall body are respectively connected and fixed with the concrete columns through wall column connecting pieces; the wall connecting piece mainly comprises side column rectangular steel cylinders and rotating assemblies, two side column rectangular steel cylinders are fixed at the end part of the hollow steel wall body, the side column rectangular steel cylinders are connected with the hollow steel wall body through bolts, and a plurality of rotating assemblies are arranged between the two side column rectangular steel cylinders; the rotating assembly mainly comprises fixed base plates, upper and lower baffle table guide plates and connecting plates, the two fixed base plates are respectively fixed at the end parts of the two hollow steel wall bodies through bolts, hinge seats are arranged on the fixed base plates, the upper and lower baffle table guide plates are respectively hinged on the hinge seats, and the upper and lower baffle table guide plates are hinged and connected through the two connecting plates; concrete is poured in the hollow steel wall body and between the side column rectangular steel cylinders, and foamed aluminum is filled in the side column rectangular steel cylinders.
Preferably, the wall column connecting piece mainly comprises a stand column rectangular steel cylinder, fastening screw-thread steel and a fastening nut, a plurality of transverse constraint reinforcing steel bars are fixed on the concrete column from top to bottom, one end of the fastening screw-thread steel is fixed on the transverse constraint reinforcing steel bars, the other end of the fastening screw-thread steel penetrates through the stand column rectangular steel cylinder, the end part of the fastening screw-thread steel is fixed through the fastening nut, the two side column rectangular steel cylinders on the side part of the explosion-proof wall body are fixed on the stand column rectangular steel cylinder through bolts, and concrete is poured in the stand column rectangular steel cylinder.
Preferably, the transverse constraint steel bar disc is arranged on the concrete column, two ends of the transverse constraint steel bar are inserted into the connecting steel sleeve, the transverse constraint steel bar is welded and fixed with the connecting steel sleeve, the transverse constraint steel bar is further provided with a plurality of U-shaped nails, and the U-shaped nails are inserted into the concrete column.
Preferably, the cavity steel wall body mainly forms by four outsourcing steel frame plate welding, stand rectangle steel cylinder mainly forms by four steel frame panel welding, side post rectangle steel cylinder mainly forms by the groove type structure that a plurality of channel steel sheet pile up and the welding of the vertical baffle of lid on this groove type structure.
Preferably, the width of the side plate of the upright post rectangular steel cylinder is equal to the height of the channel steel plate, and the width of the side plate is 1/3-1/2 of the width of the concrete post.
Compared with the prior art, the invention has the following technical effects: the anti-explosion wall body has reasonable design, the anti-explosion wall bodies and the concrete columns are connected by adopting plastic hinges, the anti-explosion wall body connecting structure has the capacity of resisting continuous explosion, and the wall body converts and dissipates the energy of explosion shock waves in various forms through the deformation and the damage of part of the connecting structure and the relative rotation of the wall body, so that the anti-impact effect is better and superior; the wall connecting piece is internally provided with a multi-section hinged structure, concrete is poured in the structure to form a fixed connection structure, so that the explosion shock wave resisting effect is good, and the control and the forecast of the possible damage form and the movement path of the wall are considered; the wall body wraps the concrete through the steel frame plate, so that secondary damage to personnel and structures due to splashing of fragments generated by explosion is prevented; meanwhile, the invention has wider applicability and is not limited by places.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the wall stud connector of the present invention.
Fig. 3 is a schematic structural view of the hollow steel wall body according to the present invention.
Fig. 4 is a schematic structural view of the wall connector of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 3 and 4, an explosion-proof wall structure capable of relatively rotating around a node comprises concrete columns 1 and explosion-proof walls 2 fixed between the concrete columns 1, wherein two ends of each explosion-proof wall 2 are respectively connected and fixed with the concrete columns 1 through wall column connecting pieces 3, each explosion-proof wall 2 mainly comprises a plurality of hollow steel walls 4 and wall connecting pieces 5 for connecting the hollow steel walls, and the hollow steel walls 4 at the end parts of the explosion-proof walls 2 are respectively fixed on the wall column connecting pieces 3 through the wall connecting pieces 5; the wall connecting piece 5 mainly comprises side column rectangular steel cylinders 6 and rotating assemblies 7, two side column rectangular steel cylinders 6 are fixed at the end part of the hollow steel wall body 4, the side column rectangular steel cylinders 6 are connected with the hollow steel wall body 4 through bolts, and a plurality of rotating assemblies 7 are arranged between the two side column rectangular steel cylinders 6; the rotating assembly 7 mainly comprises fixed base plates 8, upper and lower baffle table guide plates 9 and connecting plates 10, the two fixed base plates 8 are respectively fixed at the end parts of the two hollow steel wall bodies 4 through bolts, hinged seats 11 are arranged on the fixed base plates 8, the upper and lower baffle table guide plates 9 are respectively hinged on the hinged seats 11, and the upper and lower baffle table guide plates 9 are hinged and connected through the two connecting plates 10; concrete is poured in the hollow steel wall body 4 and between the side column rectangular steel cylinders 6, and foamed aluminum is filled in the side column rectangular steel cylinders 6.
The hollow steel wall body 4 is mainly formed by welding four steel frame plates coated outside, and the side column rectangular steel cylinder 6 is mainly formed by welding a groove-shaped structure formed by stacking a plurality of groove-shaped steel plates 18 and a longitudinal baffle 19 covering the groove-shaped structure. The explosion-proof walls 2 and the concrete columns 1 are connected by wall connecting pieces 5. Because wall connection spare 5 mainly comprises side column rectangle steel cylinder 6 and runner assembly 7, cavity steel wall 4 is connected respectively to side column rectangle steel cylinder 6, and a plurality of runner assembly 7 of mid-mounting, the quantity of runner assembly calculates according to actual conditions. The rotating assembly is formed by hinging and connecting an upper baffle guide plate 9 and a lower baffle guide plate 10 with a connecting plate 10, and after the explosion-proof wall is installed, concrete is poured between the side column rectangular steel cylinders 6 to fix the rotating assembly. Thus, when the energy of the explosion shock wave is small, the strength of the wall body is enough to resist the damage; when the energy of the explosion shock wave is large, because the bending moment and the shearing force generated by the column side and the middle part of the wall body are the maximum, the shock wave generated by explosion enables the middle part of the wall body and the column side to form a plastic region to generate a plastic hinge, the acting force of the shock wave on the wall body reaches the limit bearing capacity of the wall body, a side column rectangular steel cylinder 6 arranged in a wall body connecting piece is subjected to plastic deformation or damage, and meanwhile, in order to enable the side column rectangular steel cylinder to generate a controllable and predictable motion form, the hollow steel wall bodies 4 and the explosion-proof wall body and the concrete column are connected through rotating assemblies 7 to. When the blast shock wave impacts the wall, the blast shock wave makes the column and the wall rotate relatively to consume the blast shock wave energy. The foam aluminum is filled in the side column rectangular steel cylinder 6, so that the energy absorption effect of the side column rectangular steel cylinder can be improved.
As shown in fig. 2, the wall-column connecting member 3 mainly comprises a column rectangular steel cylinder 12, fastening screw-thread steel 13 and fastening nuts 14, a plurality of transverse constraint reinforcing steel bars 15 are fixed on the concrete column 1 from top to bottom, one end of the fastening screw-thread steel 13 is fixed on the transverse constraint reinforcing steel bars 15, the other end of the fastening screw-thread steel 13 penetrates through the column rectangular steel cylinder 12, the end part is fixed through the fastening nuts 14, the column rectangular steel cylinder 12 is mainly formed by welding four steel frame panels, two side column rectangular steel cylinders 6 on the side part of the explosion-proof wall body 2 are fixed on the column rectangular steel cylinder 12 through bolts, and concrete is poured in the column rectangular steel cylinder 12. The wall column connecting piece is mainly used for connecting the explosion-proof wall body with the concrete column, forms a reliable connecting structure with the concrete column and is convenient for the installation and fixation of the explosion-proof wall body.
The transverse restraining steel bars 15 are coiled on the concrete column 1, two ends of each transverse restraining steel bar 15 are inserted into the connecting steel sleeves 16, the transverse restraining steel bars 15 are welded and fixed with the connecting steel sleeves 16, the transverse restraining steel bars 15 are further provided with a plurality of U-shaped nails 17, and the U-shaped nails 17 are inserted into the concrete column 1. The transverse restraint reinforcing steel bars 15 are formed by bending in advance according to the size of the reinforced concrete column, are sequentially sleeved on the reinforced concrete column from bottom to top and are fixed by U-shaped nails 17.
In addition, the width of the side plate of the upright post rectangular steel cylinder is equal to the height of the channel steel plate and is 1/3-1/2 of the width of the concrete column 1, so that the upright post rectangular steel cylinder and the side column rectangular steel cylinder are wide enough, and further sufficient deformation allowance is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a can take place explosion-proof wall structure of relative pivoted around node, includes the concrete column and fixes the explosion-proof wall body between the concrete column, its characterized in that: the anti-explosion wall body is mainly composed of a plurality of hollow steel wall bodies and wall body connecting pieces used for connecting the hollow steel wall bodies, and the hollow steel wall bodies positioned at the end parts of the anti-explosion wall body are respectively fixed on the wall column connecting pieces through the wall body connecting pieces; the wall connecting piece mainly comprises side column rectangular steel cylinders and rotating assemblies, two side column rectangular steel cylinders are fixed at the end part of the hollow steel wall body, the side column rectangular steel cylinders are connected with the hollow steel wall body through bolts, and a plurality of rotating assemblies are arranged between the two side column rectangular steel cylinders; the rotating assembly mainly comprises fixed base plates, upper and lower baffle table guide plates and connecting plates, the two fixed base plates are respectively fixed at the end parts of the two hollow steel wall bodies through bolts, hinge seats are arranged on the fixed base plates, the upper and lower baffle table guide plates are respectively hinged on the hinge seats, and the upper and lower baffle table guide plates are hinged and connected through the two connecting plates; concrete is poured in the hollow steel wall body and between the side column rectangular steel cylinders, and foamed aluminum is filled in the side column rectangular steel cylinders.
2. An explosion-proof wall structure which can rotate relatively around a node according to claim 1, wherein: the wall column connecting piece mainly comprises a column rectangular steel cylinder, fastening screw-thread steel and fastening nuts, a plurality of transverse constraint reinforcing steel bars are fixed on the concrete column from top to bottom, one end of the fastening screw-thread steel is fixed on the transverse constraint reinforcing steel bars, the other end of the fastening screw-thread steel penetrates through the column rectangular steel cylinder, the end part of the fastening screw-thread steel is fixed through the fastening nuts, the two side column rectangular steel cylinders on the side part of the explosion-proof wall body are fixed on the column rectangular steel cylinder through bolts, and concrete is poured in the column rectangular steel cylinder.
3. An explosion-proof wall structure which can rotate relatively around a node according to claim 2, wherein: the transverse restraint steel bar plate is arranged on the concrete column, two ends of the transverse restraint steel bar are inserted into the connecting steel sleeve, the transverse restraint steel bar is fixedly connected with the connecting steel sleeve through threads, the transverse restraint steel bar is further provided with a plurality of U-shaped nails, and the U-shaped nails are inserted into the concrete column.
4. An explosion-proof wall structure which can rotate relatively around a node according to claim 2 or 3, wherein: the hollow steel wall body is mainly formed by welding four steel frame plates with outer packages, the stand column rectangular steel cylinder is mainly formed by welding four steel frame plates, and the side column rectangular steel cylinder is mainly formed by welding a groove structure stacked by a plurality of groove steel plates and a longitudinal baffle covered on the groove structure.
5. An explosion-proof wall structure which can rotate around a node relatively according to claim 4, wherein: the width of the side plate of the upright post rectangular steel cylinder is equal to the height of the channel steel plate, and is 1/3-1/2 of the width of the concrete post.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910945740.5A CN110644640B (en) | 2019-09-30 | 2019-09-30 | Explosion-proof wall connecting structure capable of rotating around node relatively |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910945740.5A CN110644640B (en) | 2019-09-30 | 2019-09-30 | Explosion-proof wall connecting structure capable of rotating around node relatively |
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| CN110644640A CN110644640A (en) | 2020-01-03 |
| CN110644640B true CN110644640B (en) | 2020-12-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100609A (en) * | 1983-11-08 | 1985-06-04 | Nippon Steel Corp | Method for drawing core of hard material |
| CN106703886B (en) * | 2017-03-16 | 2019-04-30 | 中煤科工集团重庆研究院有限公司 | Underground rapid water-filling type explosion-proof airtight wall |
| CN107448768A (en) * | 2017-09-13 | 2017-12-08 | 安徽华城兴建材科技有限公司 | A kind of bursting diaphragm being easily installed |
| CN208604765U (en) * | 2018-03-23 | 2019-03-15 | 新世界中国地产有限公司 | The connection component and steel-concrete combined structure system of girder steel and reinforced concrete structure |
| CN108824697A (en) * | 2018-08-27 | 2018-11-16 | 清华大学 | The rc-frame-beam structure of structure composition collapse resistant capacity can be improved |
| CN209163114U (en) * | 2018-09-27 | 2019-07-26 | 公安部四川消防研究所 | A kind of explosion-proof mobile wall |
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