CN113175261A - Nuclear five-level civil air defense high-density beam-column plate node structure and construction method - Google Patents
Nuclear five-level civil air defense high-density beam-column plate node structure and construction method Download PDFInfo
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- CN113175261A CN113175261A CN202110368112.2A CN202110368112A CN113175261A CN 113175261 A CN113175261 A CN 113175261A CN 202110368112 A CN202110368112 A CN 202110368112A CN 113175261 A CN113175261 A CN 113175261A
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- 230000007123 defense Effects 0.000 title claims abstract description 92
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 95
- 239000010959 steel Substances 0.000 claims description 95
- 230000003014 reinforcing effect Effects 0.000 claims description 39
- 239000004567 concrete Substances 0.000 claims description 38
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E04H9/06—Structures arranged in or forming part of buildings
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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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
- E04B1/38—Connections for building structures in general
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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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
- E04H9/06—Structures arranged in or forming part of buildings
- E04H9/08—Structures arranged underneath buildings, e.g. air-raid shelters
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
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- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
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Abstract
The invention relates to the technical field of buildings and discloses a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method. The nuclear five-level civil air defense high-density beam-column plate node structure and the construction method can effectively improve the strength of the nuclear five-level civil air defense high-density beam-column plate node structure, enable the beam-column plate node structure to have anti-buffering capacity, improve the protection effect of the nuclear five-level civil air defense high-density beam-column plate node structure, and improve the use safety of the nuclear five-level civil air defense.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method.
Background
The resistance grade of the civil air defense engineering is mainly used for reflecting the strength of the capability of the civil air defense engineering for resisting nucleus, life and chemical attack of enemy and attack of conventional weapons, and is an embodiment of national defense setting capability. The resistance grade is divided according to the ground overpressure of the nuclear explosion-proof shock wave and the destructive effect of conventional weapons with different calibers. There is a certain, but not direct, relationship between the resistance rating of a civil air defense project and its building type. Although there is some relation between the using function of the civil air defense engineering and the resistance level thereof, there is no one-to-one correspondence between them, for example, the resistance level of the nuclear weapon of the personnel masking engineering can be 5 grade, 6 grade, or 6B grade.
Most of the existing nuclear five-level civil air defense high-density beam-column plate node structures are simple reinforced concrete structures, the protection effect is poor, and the beam-column plate node structures are easy to crack and damage under the impact environment, so that the use safety of the nuclear five-level civil air defense is affected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method, which can effectively improve the strength of the nuclear five-level civil air defense high-density beam-column plate node structure, simultaneously enable the beam-column plate node structure to have anti-buffering capacity, improve the protection effect of the nuclear five-level civil air defense high-density beam-column plate node structure, improve the safety of the nuclear five-level civil air defense, and solve the problems that the nuclear five-level civil air defense high-density beam-column plate node structure is poor in protection effect, the beam-column plate node structure is easy to crack and damage in a distance impact environment, and the use safety of the nuclear five-level civil air defense is influenced.
(II) technical scheme
In order to effectively improve the strength of the nuclear five-level civil air defense high-density beam-column plate node structure, simultaneously enable the beam-column plate node structure to have anti-buffering capacity, improve the protection effect of the nuclear five-level civil air defense high-density beam-column plate node structure and improve the use safety of the nuclear five-level civil air defense, the invention provides the following technical scheme: a nuclear five-level civil air defense high-density beam-column plate node structure comprises a support column, an outer column and a top beam plate, wherein the outer wall of the support column is fixedly connected with a first steel plate, the inner wall of the outer column is fixedly connected with a second steel plate, the outer walls of the relative positions of the second steel plate and the first steel plate are respectively provided with a threaded through hole, the hole wall of the threaded through hole is in threaded connection with a fixing bolt, the outer wall of the fixing bolt is movably sleeved with a connecting plate, the outer wall of the connecting plate is provided with a plurality of connecting holes matched with the fixing bolt, the outer walls of two adjacent connecting plates are fixedly connected with a reinforcing rod together, the upper surfaces of the support column and the outer column are fixedly connected with the lower surface of the top beam plate together, the upper surface of the top beam plate is embedded with a plurality of groups of screw rods, the rod walls of a plurality of screw rods in each group are sleeved with a fixing plate together, and the upper surface of the fixing plate is fixedly connected with an auxiliary mechanism, and a nut is connected to the rod wall of the screw rod in a threaded manner.
Preferably, the auxiliary mechanism comprises a plurality of first steel bar rods fixedly connected with the upper surface of the fixing plate, a plurality of first steel bar sleeves are bound on the outer walls of the first steel bar rods, and a first concrete layer is poured on the outer walls of the first steel bar rods and the outer walls of the first steel bar sleeves together.
Preferably, the rod walls of the plurality of screws are movably sleeved with backing rings.
Preferably, the gap between the first steel plate and the second steel plate is filled with a buffer layer, and the buffer layer is made of sandstone.
Preferably, support column, outer post and roof beam board are reinforced concrete structure, support column, outer post and roof beam board all include a plurality of second reinforcing bar poles, and is a plurality of the outer wall ligature of second reinforcing bar pole has a plurality of second steel reinforcement cover, second concrete layer has been pour jointly to the outer wall of second reinforcing bar pole and second steel reinforcement cover.
Preferably, the first concrete layer is hemispherical in shape, and the reinforcing rod is I-shaped in shape.
Preferably, the supporting columns, the outer columns and the top beam plate are of a concrete pouring integrally-formed structure.
Preferably, the first steel plate and the second steel plate are both 3-3.5 cm thick.
The construction method of the nuclear five-level civil air defense high-density beam-column plate node structure comprises the following steps:
s1, selecting a site and digging a foundation pit, firstly selecting the position of the foundation pit at the building position according to the nuclear five-level civil air defense construction drawing, and then digging the foundation pit through a digging device;
s2, building a template, selecting the template, a first steel plate and a second steel plate according to a nuclear five-level civil air defense construction drawing, then building the template in the dug beam-column foundation pit, and simultaneously building an outer mold of a nuclear five-level civil air defense high-density beam-column plate node structure according to the size, wherein the first steel plate and the second steel plate are used as parts of the outer mold of the nuclear five-level civil air defense high-density beam-column plate node structure, the first steel plate and the second steel plate do not need to be disassembled, and finally, a reinforcing rod is installed in a gap between the first steel plate and the second steel plate through a fixing bolt to play a role in supporting and reinforcing;
s3, binding and installing reinforcing steel bars, selecting appropriate second reinforcing steel bars and second reinforcing steel bar sleeves, binding and molding a plurality of second reinforcing steel bars and second reinforcing steel bar sleeves through iron wires, placing the molded second reinforcing steel bars and second reinforcing steel bar sleeves in an outer die of the node structure of the nuclear five-level civil air defense high-density beam-column plate through hoisting equipment, and fixing the molded second reinforcing steel bars and second reinforcing steel bar sleeves with the building position of the node structure of the nuclear five-level civil air defense high-density beam-column plate through cement;
s4, pouring, namely conveying concrete slurry into the outer die through concrete pouring equipment, and then fully contacting the concrete slurry with the second steel bar rod and the second steel bar sleeve through concrete vibration equipment;
s5, installing screws, and embedding the corresponding screw installation drawing size in the concrete after the step S4;
s6, mounting a fixing plate, mounting the fixing plate on the screw after the concrete is poured and solidified in the step S4 through nuts, and simultaneously carrying out early construction on a first reinforcing steel bar rod, a first reinforcing steel bar sleeve and a first concrete layer on the fixing plate;
and S7, removing the formwork, removing the outer formwork of the nuclear five-level civil air defense high-density beam-column plate node structure after the step S6, and filling a buffer layer between the first steel plate and the second steel plate.
(III) advantageous effects
Compared with the prior art, the invention provides a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method, and the nuclear five-level civil air defense high-density beam-column plate node structure has the following beneficial effects:
the nuclear five-level civil air defense high-density beam-column plate node structure and the construction method thereof are characterized in that the reinforcing rod, the auxiliary mechanism and the outer column are arranged, the thickness of the nuclear five-level civil air defense high-density beam-column plate node structure is increased by arranging the first steel plate, the second steel plate, the reinforcing rod and the outer column outside the supporting column, meanwhile, the buffer layer between the first steel plate and the second steel plate can realize the shock resistance effect of the nuclear five-level civil air defense high-density beam-column plate node structure, in addition, the spherical first concrete layer of the auxiliary mechanism can also evacuate the impact airflow towards the nuclear five-level civil air defense high-density beam-column plate node structure, the protection capability of the top of the nuclear five-level civil air defense high-density beam-column plate node structure is improved, the top of the beam-column plate node structure is prevented from being damaged, the survival capability of the nuclear five-level civil air defense is improved, the mechanism can effectively improve the strength of the nuclear five-level civil air defense high-density beam-column plate node structure, and the beam-column plate node structure has the anti-buffer capability, the protection effect of the nuclear five-level civil air defense high-density beam column plate node structure is improved, and the use safety of the nuclear five-level civil air defense is improved.
Drawings
FIG. 1 is a schematic structural diagram of a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method provided by the invention;
FIG. 2 is a schematic structural diagram of part A of a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method provided by the invention;
FIG. 3 is a schematic structural view of a part B of the nuclear five-level civil air defense high-density beam-column plate joint structure and the construction method provided by the invention;
fig. 4 is a partial structural schematic diagram of a nuclear five-level civil air defense high-density beam-column plate node structure and a construction method provided by the invention.
In the figure: 1 support column, 2 outer columns, 3 roof beam boards, 31 second reinforcing bar poles, 32 second steel bar covers, 33 second concrete layer, 4 first steel sheets, 5 second steel sheets, 6 screw through holes, 7 fixing bolt, 8 connecting plates, 9 complementary unit, 91 first reinforcing bar poles, 92 first reinforcing bars, 93 first concrete layer, 10 screw rods, 11 fixed plates, 12 reinforcing bars, 13 nuts, 14 backing rings, 15 buffer layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a nuclear five-level civil air defense high-density beam-column plate node structure comprises a support column 1, an outer column 2 and a top beam plate 3, wherein the outer wall of the support column 1 is fixedly connected with a first steel plate 4, the inner wall of the outer column 2 is fixedly connected with a second steel plate 5, the outer walls of the opposite positions of the second steel plate 5 and the first steel plate 4 are respectively provided with a threaded through hole 6, the hole wall of the threaded through hole 6 is in threaded connection with a fixing bolt 7, the outer wall of the fixing bolt 7 is movably sleeved with a connecting plate 8, the outer wall of the connecting plate 8 is provided with a plurality of connecting holes matched with the fixing bolt 7, the outer walls of two adjacent connecting plates 8 are respectively and fixedly connected with a reinforcing rod 12, the upper surfaces of the support column 1 and the outer column 2 are respectively and fixedly connected with the lower surface of the top beam plate 3, the upper surface of the top beam plate 3 is embedded with a plurality of screw rods 10, and the rod wall of each plurality of screw rods 10 is sleeved with a fixing plate 11, the upper surface of the fixing plate 11 is fixedly connected with an auxiliary mechanism 9, and the rod wall of the screw rod 10 is in threaded connection with a nut 13.
The auxiliary mechanism 9 includes a plurality of first reinforcing bars 91 with 11 upper surface fixed connections of fixed plate, the outer wall ligature of a plurality of first reinforcing bars 91 has a plurality of first reinforcing bar cover 92, first concrete layer 93 has been pour jointly to the outer wall of first reinforcing bar pole 91 and first reinforcing bar cover 92, the spherical first concrete layer 93 of auxiliary mechanism 9 also can be sparse towards the impinging air current of nuclear five-level people's air defense high density beam column plate node structure, improve the protective capacities at nuclear five-level people's air defense high density beam column plate node structure top.
The rod walls of the plurality of screws 10 are movably sleeved with backing rings 14, and the backing rings 14 can improve the fixing effect of the nuts 13.
The gap between first steel sheet 4 and the second steel sheet 5 is filled with buffer layer 15, and buffer layer 15's material is the grit, and the impact that the people's air defense received can better be cushioned to soft grit.
The first concrete layer 93 has a hemispherical shape, and the reinforcing rod 12 has an i-shaped shape.
The thickness of the first steel plate 4 and the thickness of the second steel plate 5 are both 3-3.5 cm, and the anti-extrusion capacity of the first steel plate 4 and the anti-extrusion capacity of the second steel plate 5 can be guaranteed.
The construction method of the nuclear five-level civil air defense high-density beam-column plate node structure comprises the following steps:
s1, selecting a site and digging a foundation pit, firstly selecting the position of the foundation pit at the building position according to the nuclear five-level civil air defense construction drawing, and then digging the foundation pit through a digging device;
s2, building a template, selecting the template, a first steel plate 4 and a second steel plate 5 according to a nuclear five-level civil air defense construction drawing, then building the template in the dug beam-column foundation pit, and simultaneously building an outer mold of a nuclear five-level civil air defense high-density beam-column plate node structure according to the size, wherein the first steel plate 4 and the second steel plate 5 are used as a part of the outer mold of the nuclear five-level civil air defense high-density beam-column plate node structure, the first steel plate 4 and the second steel plate 5 do not need to be disassembled, and finally installing a reinforcing rod 12 in a gap between the first steel plate 4 and the second steel plate 5 through a fixing bolt 7 to play a role in supporting and reinforcing;
s3, binding and installing reinforcing steel bars, selecting appropriate second reinforcing steel bar rods 31 and second reinforcing steel bar sleeves 32, binding and molding a plurality of second reinforcing steel bar rods 31 and second reinforcing steel bar sleeves 32 through iron wires, placing the molded second reinforcing steel bar rods 31 and second reinforcing steel bar sleeves 32 in the outer mould of the node structure of the nuclear five-level civil air defense high-density beam-column plate through hoisting equipment, and fixing the node structure with the building position of the node structure of the nuclear five-level civil air defense high-density beam-column plate through cement;
s4, pouring, namely conveying concrete slurry into the outer die through concrete pouring equipment, and then fully contacting the concrete slurry with the second steel bar rod 31 and the second steel bar sleeve 32 through concrete vibration equipment;
s5, installing the screw rods 10, and embedding the corresponding screw rods 10 into the concrete according to the installation drawing size after the step S4;
s6, mounting the fixing plate 11 on the screw 10 through the nut 13 after the concrete is poured and solidified in the step S4, and performing early construction on the first reinforcing bar rod 91, the first reinforcing bar sleeve 92 and the first concrete layer 93 on the fixing plate 11;
and S7, removing the formwork, removing the outer formwork of the nuclear five-level civil air defense high-density beam-column plate node structure after the step S6, and filling the buffer layer 15 between the first steel plate 4 and the second steel plate 5.
To sum up, the first steel plate 4, the second steel plate 5, the reinforcing rod 12 and the outer column 2 are arranged outside the supporting column 1, so that the thickness of the nuclear five-level civil air defense high-density beam-column plate node structure is increased, meanwhile, the buffer layer 15 between the first steel plate 4 and the second steel plate 5 can achieve the impact resistance effect of the nuclear five-level civil air defense high-density beam-column plate node structure, in addition, the spherical first concrete layer 93 of the auxiliary mechanism 9 can also disperse impact airflow impacting the nuclear five-level civil air defense high-density beam-column plate node structure, the protection capability of the top of the nuclear five-level civil air defense high-density beam-column plate node structure is improved, the top of the beam-column plate node structure is prevented from being damaged, the survival capability of the nuclear five-level civil air defense is improved, the protection effect of the nuclear five-level civil air defense high-density beam-column plate node structure is improved, and the use safety of the nuclear five-level civil air defense is improved, and when the nuclear five-level civil air defense high-density beam-column plate node structure is constructed, firstly, selecting the position of a foundation pit at the construction position according to the nuclear five-level civil air defense construction drawing, then excavating the foundation pit through excavating equipment, then selecting a template, a first steel plate 4 and a second steel plate 5 according to the nuclear five-level civil air defense construction drawing, then erecting the template in the excavated beam-column foundation pit, and meanwhile, erecting an outer mold of the nuclear five-level civil air defense high-density beam-column plate node structure according to the size, wherein the first steel plate 4 and the second steel plate 5 are used as a part of the outer mold of the nuclear five-level civil air defense high-density beam-column plate node structure, the first steel plate 4 and the second steel plate 5 do not need to be disassembled, finally, installing a reinforcing rod 12 in a gap between the first steel plate 4 and the second steel plate 5 through a fixing bolt 7 to play a role in supporting and reinforcing, and then selecting a proper second reinforcing rod 31 and a second reinforcing sleeve 32, a plurality of second reinforcing steel bars 31 and second reinforcing steel sleeves 32 are bound and formed through iron wires, then the formed second reinforcing steel bars 31 and second reinforcing steel sleeves 32 are placed in the outer mould of the node structure of the nuclear five-level civil air defense high-density beam-column plate through hoisting equipment, the building positions of the second reinforcing steel bars and the node structure of the nuclear five-level civil air defense high-density beam-column plate are fixed through cement, and finally pouring, mounting of the screw rods 10, mounting of the fixing plate 11 and formwork removal are carried out.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a five grades of people's air defense high density beam column board node structure of nuclear, includes support column (1), outer post (2) and roof beam board (3), its characterized in that: the outer wall of the supporting column (1) is fixedly connected with a first steel plate (4), the inner wall of the outer column (2) is fixedly connected with a second steel plate (5), the outer walls of the relative positions of the second steel plate (5) and the first steel plate (4) are respectively provided with a threaded through hole (6), the hole wall of each threaded through hole (6) is in threaded connection with a fixing bolt (7), the outer wall of each fixing bolt (7) is movably sleeved with a connecting plate (8), the outer wall of each connecting plate (8) is provided with a plurality of connecting holes matched with the fixing bolts (7), the outer walls of two adjacent connecting plates (8) are jointly and fixedly connected with a reinforcing rod (12), the upper surfaces of the supporting column (1) and the outer column (2) are jointly and fixedly connected with the lower surface of the top beam plate (3), the upper surface of the top beam plate (3) is embedded with a plurality of groups of screw rods (10), and the rod walls of the plurality of screw rods (10) are jointly sleeved with a fixing plate (11), the upper surface of the fixing plate (11) is fixedly connected with an auxiliary mechanism (9), and the rod wall of the screw rod (10) is in threaded connection with a nut (13).
2. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: the auxiliary mechanism (9) comprises a plurality of first steel bar rods (91) fixedly connected with the upper surface of the fixing plate (11), a plurality of first steel bar sleeves (92) are bound on the outer walls of the first steel bar rods (91), and a first concrete layer (93) is poured on the outer walls of the first steel bar rods (91) and the outer walls of the first steel bar sleeves (92) together.
3. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: the rod walls of the plurality of screw rods (10) are movably sleeved with backing rings (14).
4. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: the gap between the first steel plate (4) and the second steel plate (5) is filled with a buffer layer (15), and the buffer layer (15) is made of sandstone.
5. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: support column (1), outer post (2) and roof beam board (3) are reinforced concrete structure, support column (1), outer post (2) and roof beam board (3) all include a plurality of second reinforcing bar poles (31), and are a plurality of the outer wall ligature of second reinforcing bar pole (31) has a plurality of second steel reinforcement cover (32), second concrete layer (33) have been pour jointly to the outer wall of second reinforcing bar pole (31) and second steel reinforcement cover (32).
6. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 2, wherein: the shape of the first concrete layer (93) is hemispherical, and the shape of the reinforcing rod (12) is I-shaped.
7. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: the supporting columns (1), the outer columns (2) and the top beam plate (3) are of concrete pouring integrated structures.
8. The nuclear five-grade civil air defense high-density beam-column plate node structure of claim 1, wherein: the thickness of the first steel plate (4) and the thickness of the second steel plate (5) are both 3-3.5 cm.
9. The construction method of the nuclear five-grade civil air defense high-density beam-column plate node structure according to the claims 1 to 8, characterized in that: the method comprises the following steps:
s1, selecting a site and digging a foundation pit, firstly selecting the position of the foundation pit at the building position according to the nuclear five-level civil air defense construction drawing, and then digging the foundation pit through a digging device;
s2, building a template, selecting the template, a first steel plate (4) and a second steel plate (5) according to a nuclear five-level civil air defense construction drawing, then building the template in a dug beam-column foundation pit, and simultaneously building an outer mold of a nuclear five-level civil air defense high-density beam-column plate node structure according to the size, wherein the first steel plate (4) and the second steel plate (5) are used as a part of the outer mold of the nuclear five-level civil air defense high-density beam-column plate node structure, the first steel plate (4) and the second steel plate (5) do not need to be disassembled, and finally installing a reinforcing rod (12) in a gap between the first steel plate (4) and the second steel plate (5) through a fixing bolt (7) to play a role in supporting and reinforcing;
s3, binding and installing reinforcing steel bars, selecting appropriate second reinforcing steel bar rods (31) and second reinforcing steel bar sleeves (32), binding and forming a plurality of second reinforcing steel bar rods (31) and second reinforcing steel bar sleeves (32) through iron wires, placing the formed second reinforcing steel bar rods (31) and second reinforcing steel bar sleeves (32) in an outer die of a nuclear five-level civil air defense high-density beam-column plate node structure through hoisting equipment, and fixing the second reinforcing steel bar rods and the second reinforcing steel bar sleeves with the building position of the nuclear five-level civil air defense high-density beam-column plate node structure through cement;
s4, pouring, namely conveying concrete slurry into the outer die through concrete pouring equipment, and then fully contacting the concrete slurry with the second reinforcement rod (31) and the second reinforcement sleeve (32) through concrete vibration equipment;
s5, installing the screw (10), and embedding the corresponding screw (10) into the concrete according to the installation drawing size after the step S4;
s6, mounting the fixing plate (11) on the screw rod (10) after the concrete is poured and solidified in the step S4, and simultaneously carrying out early construction on the first reinforcing steel bar rod (91), the first reinforcing steel bar sleeve (92) and the first concrete layer (93) on the fixing plate (11);
and S7, removing the formwork, removing the outer formwork of the nuclear five-level civil air defense high-density beam-column plate node structure after the step S6, and filling a buffer layer (15) between the first steel plate (4) and the second steel plate (5).
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| GB9016569D0 (en) * | 1988-12-14 | 1990-09-12 | Parker Louis W | Safety design for nuclear power plants |
| CN202544138U (en) * | 2012-05-15 | 2012-11-21 | 香港华艺设计顾问(深圳)有限公司 | Opening connecting node of concrete-filled steel tubular frame column and reinforced concrete frame beam |
| DE102011118854A1 (en) * | 2011-11-18 | 2013-05-23 | Rwe Power Aktiengesellschaft | Method for retrofitting a containment for nuclear power plants |
| CN106368332A (en) * | 2016-11-09 | 2017-02-01 | 福州大学 | Shock insulation structure of reinforced concrete beam column node and construction method thereof |
| KR20190110262A (en) * | 2018-03-20 | 2019-09-30 | 삼성중공업 주식회사 | Dual blast wall using wrinkles |
| CN212129619U (en) * | 2020-01-19 | 2020-12-11 | 中国建筑东北设计研究院有限公司 | Assembled floor reinforcing structure |
-
2021
- 2021-04-06 CN CN202110368112.2A patent/CN113175261B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9016569D0 (en) * | 1988-12-14 | 1990-09-12 | Parker Louis W | Safety design for nuclear power plants |
| DE102011118854A1 (en) * | 2011-11-18 | 2013-05-23 | Rwe Power Aktiengesellschaft | Method for retrofitting a containment for nuclear power plants |
| CN202544138U (en) * | 2012-05-15 | 2012-11-21 | 香港华艺设计顾问(深圳)有限公司 | Opening connecting node of concrete-filled steel tubular frame column and reinforced concrete frame beam |
| CN106368332A (en) * | 2016-11-09 | 2017-02-01 | 福州大学 | Shock insulation structure of reinforced concrete beam column node and construction method thereof |
| KR20190110262A (en) * | 2018-03-20 | 2019-09-30 | 삼성중공업 주식회사 | Dual blast wall using wrinkles |
| CN212129619U (en) * | 2020-01-19 | 2020-12-11 | 中国建筑东北设计研究院有限公司 | Assembled floor reinforcing structure |
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| CN113175261B (en) | 2022-05-13 |
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