CN112282212A - Column assembly type node with double steel structure with inner circle and outer square, connection and generation method thereof - Google Patents

Column assembly type node with double steel structure with inner circle and outer square, connection and generation method thereof Download PDF

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Publication number
CN112282212A
CN112282212A CN202011146603.4A CN202011146603A CN112282212A CN 112282212 A CN112282212 A CN 112282212A CN 202011146603 A CN202011146603 A CN 202011146603A CN 112282212 A CN112282212 A CN 112282212A
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China
Prior art keywords
joint
column
steel
node
steel pipe
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CN202011146603.4A
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Chinese (zh)
Inventor
樊军超
赵均海
胡壹
高伟琪
王宙
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Changan University
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Changan University
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Priority to CN202011146603.4A priority Critical patent/CN112282212A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5825Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5831Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

A column assembly type node of a duplex steel structure with an inner circle and an outer square and a connection method thereof comprise a first node joint and a second node joint, wherein the first node joint comprises a first cross-shaped connection panel connected with the lower end part of an inner circle steel tube at the upper side and a first sleeve joint connected with the inner wall of the lower end part of an outer square steel tube at the upper side; the structure of the second node joint is consistent with that of the first node joint; the steel pipe joint further comprises a first steel pipe joint and a second steel pipe joint. By reasonably arranging the component structures, the field welding and concrete operation are reduced, the construction quality is ensured, the construction speed is accelerated, and meanwhile, the construction cost is saved; by adopting the inner-circle outer-square hollow interlayer compound steel pipe concrete column fabricated splicing node and the connection method, the fabricated construction of a compound steel pipe concrete structure can be realized, and the building industrialization process is accelerated; meanwhile, the column splicing nodes required in the design software can be automatically generated without manually selecting the positions of the connecting pieces and setting parameters by a user.

Description

Column assembly type node with double steel structure with inner circle and outer square, connection and generation method thereof
Technical Field
The invention belongs to the technical field of splicing structures in building construction, and particularly relates to a column assembly type node with a double steel structure with an inner circle and an outer square, a connection method and a generation method of the connection node.
Background
In recent years, with the social development and economic growth of China, the building industry faces the problems of labor shortage and rapid rise of labor cost, and meanwhile, the traditional field construction mode also faces the increasingly prominent problems of environmental pollution, water resource waste, large quantity of building garbage, large construction occupied area and the like, so the building industrialization and assembly become the key direction for the development of the building industry of China. In conclusion, the assembled structure which is rapidly developed, convenient and fast to construct and reliable in performance meets the requirements of the national conditions of China, and has important significance for accelerating industrialization and assembly of buildings of China.
The inner circle and outer square hollow interlayer compound steel tube concrete column is a novel combined column developed based on the steel tube concrete column, and the advantages of the common steel tube concrete column are inherited, so that the problems that the common steel tube concrete column has large section size, large shrinkage of thick tube wall and large volume of concrete in the tube, and the outer tube brings potential safety hazards to the structure after being attacked by terrorism, fire and erosion damage in high-rise and super high-rise application are solved, the bending rigidity, the bearing capacity, the ductility, the fire resistance and the corrosion resistance of the column are improved, and the structure is ensured to have enough earthquake collapse resistance safety reserve.
At present, construction steps of splicing joints of the inner-circle and outer-square hollow interlayer compound steel pipe concrete columns are all completed on a construction site, a large amount of centering, welding and on-site wet operation are involved, the process is complex, the construction time is long, high-altitude operation is required, the requirement on technical personnel is high, and certain construction risks are caused. The requirements of construction sites and construction equipment required by a large amount of concrete wet operation on site are high, and the pouring effect of concrete cannot be ensured; welding quality cannot be guaranteed by on-site high-altitude welding; not only can greatly delay the construction progress, but also can increase the construction cost. Meanwhile, when a designer designs a connection node of a column, the designer needs to spend a lot of time to manually position the position where the connection member is placed and set parameters of the connection member.
Disclosure of Invention
Aiming at the defects and the defects in the prior art, the column assembly type node, the connection and the generation method of the double steel structure with the inner circle and the outer square adopted by the invention reduce the field welding and concrete operation by reasonably arranging the component structure, thereby not only ensuring the construction quality, but also accelerating the construction speed and simultaneously saving the construction cost; by adopting the inner-circle outer-square hollow interlayer compound steel pipe concrete column fabricated splicing node and the connection method, the fabricated construction of a compound steel pipe concrete structure can be realized, and the building industrialization process is accelerated; meanwhile, the column splicing nodes required in the design software can be automatically generated without manually selecting the positions of the connecting pieces and setting parameters by a user.
In order to achieve the technical effects, the technical scheme adopted by the invention is as follows:
a column assembly type node of an inner circle and outer square duplex steel structure is characterized in that an inner circle steel pipe is sleeved in an outer square steel pipe, concrete is poured between an interlayer of the outer square steel pipe and the inner circle steel pipe, the node comprises a first node joint and a second node joint, the first node joint comprises a first cross-shaped connecting panel connected with the lower end portion of the upper side inner circle steel pipe, and the first node joint further comprises a first sleeve joint connected with the inner wall of the lower end portion of the upper side outer square steel pipe; the second joint comprises a second cross-shaped connecting panel connected with the upper end part of the lower side inner circle steel pipe, and also comprises a second sleeve joint connected with the inner wall of the upper end part of the lower side outer square steel pipe, the first sleeve joint and the second sleeve joint are consistent with the structure of the inner cavity of the outer square steel pipe and extend out of the end part of the outer square steel pipe, and the first cross-shaped connecting panel and the second cross-shaped connecting panel are connected with each other; still include first channel-section steel joint and second channel-section steel joint, first channel-section steel joint and second channel-section steel joint establish at first sleeve joint and second sleeve joint outer wall.
Furthermore, the outer wall of the upside inner circle steel pipe is at least provided with 1 grouting hole, and the length of the grouting hole is the same as that of the upside outer square steel pipe.
Preferably, first through holes are reserved in the first cross-shaped connecting panel and the second cross-shaped connecting panel, the thickness of the first cross-shaped connecting panel and the thickness of the second cross-shaped connecting panel are not less than 10mm, and the width of each side of the first cross-shaped connecting panel and the width of each side of the second cross-shaped connecting panel are equal and are not less than 100 mm.
Preferably, a plurality of second through holes are formed in four surfaces of the first sleeve joint and the second sleeve joint, and the peripheral size of the cross section of each of the first sleeve joint and the second sleeve joint is not larger than the inner size of the cross section of the outer steel pipe and has a difference of not more than 2 mm.
Preferably, the length of the long side of the end part of the first channel steel joint is equal to the side length of the outer steel pipe, the length of the short side of the end part of the first channel steel joint is half of the side length of the outer steel pipe, and the thickness of the first channel steel joint is equal to the thickness of the outer steel pipe; first channel-section steel connects the same with second channel-section steel joint design, and its side all is equipped with a plurality of third through-holes.
The invention discloses a column, which comprises an upper column and a lower column which are coaxially arranged and have an inner circle and outer square duplex steel structure, and also comprises a joint which is assembled and spliced at the adjacent end parts of the two columns with the inner circle and outer square duplex steel structure, wherein the joint is a column assembly type joint with the inner circle and outer square duplex steel structure disclosed by the invention.
A column assembly type node connection method of a double steel structure with an inner circle and an outer square specifically comprises the following steps:
s61: respectively connecting a first sleeve joint and a second sleeve joint with the inner wall of the outer square steel pipe, and placing the inner round steel pipe in the center of the outer square steel pipe;
s62: pouring concrete in the interlayers of the inner circular steel tube and the outer square steel tube until the concrete is flush with the cross section of the outer square steel tube, and respectively welding the first cross-shaped connecting panel and the second cross-shaped connecting panel with the end parts of the two inner circular steel tubes;
s63: the upper column and the lower column are butted and fixed through first through holes of a first cross-shaped connecting panel and a second cross-shaped connecting panel, a first channel steel joint and a second channel steel joint surround a first sleeve joint and a second sleeve joint, and the second through holes are matched and connected with third through holes;
s64: and pouring concrete at the splicing joint through the reserved grouting hole.
Preferably, in S61 and S63, half of the first sleeve joint and the second sleeve joint in the height direction extend into the outer steel pipe, and the other half of the first sleeve joint and the second sleeve joint are respectively connected with the inner walls of the first channel steel joint and the second channel steel joint; the inner round steel pipe in the S62 protrudes by no less than 190mm in the length direction than the square steel pipe, and the heights of the first channel steel joint and the second channel steel joint in the S63 are no less than 400 mm.
The invention discloses a column assembly type node generation method of an inner circle and outer square duplex steel structure, wherein the column assembly type node of the inner circle and outer square duplex steel structure is the column assembly type node of the inner circle and outer square duplex steel structure, and the method specifically comprises the following steps:
s91, identifying columns in the design interface according to the types of the elements in the design interface, the generation positions of the elements and the attribute information of the elements;
s92, screening the columns according to the adjacent information of the columns obtained in the S91 to obtain a column combination; wherein, the column combination at least comprises two columns which accord with a preset relative position relation;
and S93, if the orientation information, the section size and the relative position of the generation point of each column in the column combination obtained in the step S91 meet the preset conditions, generating the column assembly type node of the inside-outside circular compound steel structure according to the generation point of the column meeting the preset conditions and the corresponding attribute information.
Preferably, S93 specifically includes:
s931, generating a first node joint, including: s9311, determining the upper column relative to the combined column as a first target column, and acquiring a top surface center generating point of the first target column according to the attribute information; s9312, determining the placement positions of the outer steel tube and the inner steel tube in the first target column according to the top surface center generating point of the first target column obtained in the S9311, and determining the bottom center point of the outer steel tube and the bottom center point of the inner steel tube according to the height of the outer steel tube and the height of the inner steel tube; s9313, determining the installation position of a first cross-shaped connecting panel according to the center point of the bottom of the inner round steel pipe obtained in the S9312, and determining the installation position of a first sleeve joint according to the attribute information to obtain a first node joint;
s932, generating a second node joint, specifically including: s9321, determining the column with the relative position of the combined column below as a second target column, and acquiring a bottom center generating point of the second target column according to the attribute information; s9322, determining the placement positions of the outer steel tube and the inner steel tube in the second target column according to the bottom surface center generating point of the second target column obtained in the S9321, and determining the top center point of the outer steel tube and the top center point of the inner steel tube according to the height of the outer steel tube and the height of the inner steel tube; s9323, determining the mounting position of a second icosahedron-shaped connecting panel according to the center point of the top of the inner circle steel pipe obtained in the S9322, determining the mounting position of a second sleeve joint according to the attribute information, and obtaining a second node joint;
s933, generating a column assembly type node of a double steel structure with an inner circle and an outer square, and specifically comprising the following steps: s9331, determining the column of the double steel structure with the inner circle and the outer square as a node target column, and acquiring a bottom center generating point of the node target column according to the attribute information; s9332, determining the position of the second target column according to the bottom center generating point of the node target column obtained in the S9331, and determining the position and the direction of the first target column according to the position, the direction and the height of the second target column; s9333, determining the installation positions of the first channel steel joint and the second channel steel joint according to the bottom center point of the outer steel pipe of the first target column obtained in the S9312 and the top center point of the outer steel pipe of the second target column obtained in the S9322;
and S9334, obtaining a second node joint according to the first node joint obtained in S931 and the mounting position of the second node joint, the first channel steel joint and the second channel steel joint obtained in S9333, and the position, the direction and the height of the first target column and the second target column obtained in S9332, and obtaining the column assembly type node of the inside-circle outside-circle duplex steel structure.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
(1) a column assembly type node with a duplex steel structure with an inner circle and an outer square and a connecting method thereof are characterized in that through reasonable arrangement of component structures, welding is adopted only through connection of a cross-shaped connecting panel and an inner circle steel pipe, and the connection is completed in a factory, so that the welding quality is ensured; the on-site construction is full-bolt connection, so that the construction difficulty caused by on-site welding is avoided, and the construction is convenient; meanwhile, the strength and the seismic performance of the node are improved.
(2) The column assembly type node and the connection method of the inner circle and outer square duplex steel structure can be prefabricated in a factory through reasonable arrangement of component structures, only a first connecting panel and a second connecting panel in a shape like a Chinese character 'ji' and a first channel steel joint and a second channel steel joint are connected through two bolt connection processes on the site, and construction is simple and convenient.
(3) The utility model provides a post assembled node and connection method of interior round square duplex steel construction, through to the reasonable setting of part structure, accomplishes pouring of node concatenation department concrete through the mode of predetermineeing the grout hole, pouring of concrete in the post is accomplished at the mill, avoids a large amount of wet operations in the job site, improves the efficiency of construction, reduce cost.
(4) A generation method of column assembly type nodes of a double steel structure with an inner circle and an outer circle can automatically generate column splicing nodes required by design software without manually selecting positions and setting parameters of connecting pieces by a user.
Drawings
FIG. 1 is a schematic connection diagram of a column-assembled node of the inside-out duplex steel structure of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view showing a structure in which the inner circular steel pipe and the first cross-shaped connection panel of FIG. 1 are connected;
FIG. 4 is a schematic view of the first slip joint of FIG. 1;
fig. 5 is a schematic structural view of a second channel joint of fig. 1;
FIG. 6 is a schematic view of the grout hole of FIG. 1;
FIG. 7 is a schematic connection diagram of a column of the duplex steel structure of inside-outside circular shape in FIG. 1;
fig. 8 is an application environment diagram of the method for producing a column-assembled type joint of a double steel structure having an inside and an outside circular shape according to the present invention.
The notations in the figures denote: 1-inner round steel pipe, 2-outer square steel pipe, 3-concrete, 4-grouting hole, 5-first sleeve joint, 6-first node joint, 7-second node joint, 8-first channel steel joint, 9-second channel steel joint, 10-second sleeve joint, 11-first cross-shaped connecting panel, 12-first through hole, 13-second through hole, 14-third through hole and 15-second cross-shaped connecting panel; 100-terminal.
The invention is described in detail below with reference to the drawings and the detailed description.
Detailed Description
The present invention will now be described in additional detail with reference to the following drawings, which are included by way of illustration and not by way of limitation.
Example 1
Embodiment 1 discloses a column assembly type node of a double steel structure with an inner circle and an outer circle, wherein the column of the double steel structure with the inner circle and the outer circle is obtained by sleeving an inner circle steel pipe 1 in an outer square steel pipe 2 and pouring concrete between interlayers of the outer square steel pipe 2 and the inner circle steel pipe 1; the node comprises a first node joint 6 and a second node joint 7, the first node joint 6 comprises a first cross-shaped connecting panel 11 connected with the lower end part of the upper side inner circle steel pipe 1, and the first node joint 6 further comprises a first sleeve joint 5 connected with the inner wall of the lower end part of the upper side outer circle steel pipe 2;
the second node joint 7 comprises a second cross-shaped connecting panel 15 connected with the upper end part of the lower side inner circle steel pipe 1, the second node joint 7 further comprises a second sleeve joint 10 connected with the inner wall of the upper end part of the lower side outer square steel pipe 2, the first sleeve joint 5 and the second sleeve joint 10 are consistent with the structure of the inner cavity of the outer square steel pipe 2 and extend out of the end part of the outer square steel pipe 2, and the first cross-shaped connecting panel 11 and the second cross-shaped connecting panel 15 are connected with each other;
still include first channel-section steel joint 8 and second channel-section steel joint 9, first channel-section steel joint 8 and second channel-section steel joint 9 establish at first sleeve joint 5 and 10 outer walls of second sleeve joint.
The function is as follows: the joint is used for assembling and splicing the ends of two columns with inner circle and outer square duplex steel structures; a first cross-shaped connecting panel 11 connected with the lower end part of the upper side inner circle steel pipe 1 and a second cross-shaped connecting panel 15 connected with the upper end part of the lower side inner circle steel pipe 1 are matched with the inner circle steel pipe 1 fixedly connected with the upper side and the lower side, and a first sleeve joint 5, a second sleeve joint 10, a first channel steel joint 8 and a second channel steel joint 9 are matched with the outer square steel pipe 2 fixedly connected with the upper side and the lower side; wherein two are only by first cross connection panel 11 and second cross connection panel 15 respectively with the connected mode of upper and lower inner circle steel pipe 1 adopt the welding and at the mill prefabricated, the connection of other parts is full bolted connection, when guaranteeing the intensity and the shock resistance of node, avoids the construction degree of difficulty that the field weld brought, the construction is convenient.
Specifically, the outer wall of the upper inner round steel pipe 1 is at least provided with 1 grouting hole 4, and the length of the grouting hole 4 is the same as that of the upper outer square steel pipe 2;
the function is as follows: after the grouting holes 4 are preset for splicing the nodes, concrete is poured into the nodes through the grouting holes 4, so that the strength and the seismic performance of the nodes are improved;
the preferred 2 grout holes 4 that regard interior circular steel tube 1 as centrosymmetric of this embodiment, the preferred diameter of 4 sizes in grout hole is not less than 30 mm.
Specifically, a first through hole 12 is reserved in each of the first cross-shaped connecting panel 11 and the second cross-shaped connecting panel 15, the thickness of each of the first cross-shaped connecting panel 11 and the second cross-shaped connecting panel 15 is not less than 10mm, and the width of each side is equal to that of each side and is not less than 100 mm;
in this embodiment, the thickness of the first cross-shaped connection panel 11 and the second cross-shaped connection panel 15 is 10mm, and the width of each side of the first cross-shaped connection panel 11 and the second cross-shaped connection panel 15 is equal and 120 mm;
the function is as follows: the first through hole 12 is used for fixing a first cross-shaped connection panel 11 connected with the lower end part of the upper side inner circle steel pipe 1 and a second cross-shaped connection panel 15 connected with the upper end part of the lower side inner circle steel pipe 1 through a bolt passing through the first through hole 12.
Specifically, a plurality of second through holes 13 are formed in four surfaces of the first sleeve joint 5 and the second sleeve joint 10, the peripheral sizes of the sections of the first sleeve joint 5 and the second sleeve joint 10 are not larger than the inner size of the section of the outer steel pipe 2, and the difference is not larger than 2 mm;
preferably, the second through holes 13 are arranged in 4 rows and 2 columns on each side wall of the sleeve joint in a rectangular manner;
in the embodiment, the cross-section peripheral dimension of the first sleeve joint 5 and the second sleeve joint 10 is equal to the cross-section inner dimension of the outer steel pipe 2;
the function is as follows: the second through holes 13 are used for fixing the first sleeve joint 5 and the second sleeve joint 10 with the outer steel pipes 2 on the upper side and the lower side respectively through bolts and fixing the first sleeve joint and the second sleeve joint with the first channel steel joint 8 and the second channel steel joint 9 respectively through bolts; the peripheral size of the cross section of the first sleeve joint 5 and the second sleeve joint 10 is not larger than the inner size of the cross section of the outer steel pipe 2 and the difference is not more than 2mm, so that the outer steel pipe 2 is sleeved on the outer walls of the first sleeve joint 5 and the second sleeve joint 10, and the joint is more stable.
Specifically, the length of the long edge of the end part of the first channel steel joint 8 is equal to the side length of the outer steel pipe 2, the length of the short edge of the end part of the first channel steel joint 8 is half of the side length of the outer steel pipe 2, and the thickness of the first channel steel joint 8 is equal to the thickness of the outer steel pipe 2; the first channel steel joint 8 and the second channel steel joint 9 are identical in structure, and a plurality of third through holes 14 are formed in the side faces of the first channel steel joint and the second channel steel joint;
preferably, the third through holes 14 are arranged on the side wall of the long side of the channel steel joint in 4 rows and 2 columns in a rectangular manner, and are arranged on the side wall of the short side of the channel steel joint in 4 rows and 1 column in a rectangular manner;
the function is as follows: the arrangement of the first channel steel joint 8 and the second channel steel joint 9 ensures that the first sleeve joint 5, the second sleeve joint 10, the first cross-shaped connecting panel 11 and the second cross-shaped connecting panel 15 between the outer steel pipes 2 on the upper side and the lower side are completely covered in the joint, so that concrete poured in the joint cannot leak out of the joint; the third through hole 14 is matched with the second through hole 13, and the first channel steel joint 8 and the second channel steel joint 9 are fixed with the first sleeve joint 5 and the second sleeve joint 10 through bolt penetration.
Embodiment 1 still discloses a post, including the post of two upper and lower coaxial settings's interior round outside duplex steel construction, still include the node of the adjacent tip assembly concatenation of the post of two interior round outside duplex steel constructions, the node is the post assembled node of the interior round outside duplex steel construction that this embodiment disclosed.
Example 2
Embodiment 2 discloses a column assembled node connection method of compound steel construction outside and inside circle, and the column assembled node of compound steel construction outside and inside circle is the column assembled node of compound steel construction outside and inside circle disclosed in embodiment 1, and specifically includes:
s61: respectively connecting the first sleeve joint 5 and the second sleeve joint 10 with the inner wall of the outer square steel pipe 2, and placing the inner round steel pipe 1 in the center of the outer square steel pipe 2;
s62: pouring concrete 3 in an interlayer between the inner round steel pipe 1 and the outer square steel pipe 2 until the concrete is flush with the cross section of the outer square steel pipe 2, and respectively welding a first cross-shaped connecting panel 11 and a second cross-shaped connecting panel 15 with the end parts of the two inner round steel pipes 1;
s63: the butt joint and fixation of the upper column and the lower column are realized through the first cross-shaped connecting panel 11 and the first through hole 12 of the second cross-shaped connecting panel 15, the first channel steel joint 8 and the second channel steel joint 9 surround the first sleeve joint 5 and the second sleeve joint 10, and the second through hole 13 is matched and connected with the third through hole 14;
s64: pouring concrete at the splicing node is completed through the reserved grouting hole 4;
the grouting holes 4 are used for pouring concrete at the joint, preferably 2 grouting holes 4 are symmetrical, and the diameter of each grouting hole 4 is not less than 30 mm.
Specifically, in S61 and S63, half of the height direction of the first sleeve joint 5 and the second sleeve joint 10 extends into the outer steel pipe 2, the other half of the first sleeve joint 5 and the second sleeve joint 10 are connected with the inner wall of the first channel steel joint 8 and the inner wall of the second channel steel joint 9 respectively, and the connection steps are as follows:
firstly, welding nuts at second through holes 13 on the inner walls of the first sleeve joint 5 and the second sleeve joint 10, then extending the first sleeve joint 5 and the second sleeve joint 10 into the outer steel pipe 2, aligning through the second through holes 13, and penetrating the bolts into the second through holes 13 for fixing, so that the connection of the first sleeve joint 5, the second sleeve joint 10 and the outer steel pipe 2 is realized; after the first channel steel joint 8 and the second channel steel joint 9 are wrapped by the first sleeve joint 5 and the second sleeve joint 10, the first sleeve joint 5 and the second sleeve joint 10 are connected with the first channel steel joint 8 and the second channel steel joint 9 through bolts penetrating into the second through hole 13 and the third through hole 14 and being fixed.
Specifically, the length direction of the inner round steel pipe 1 in the S62 is more than that of the square steel pipe 2 by no less than 190mm, the height of the first channel steel joint 8 and the height of the second channel steel joint 9 in the S63 are more than 400mm, and the specific size is determined by the sum of the thicknesses of the first cross-shaped connecting panel 11 and the second cross-shaped connecting panel 15 and the protruding length of the inner round steel pipe 1 more than that of the outer square steel pipe 2;
in the embodiment, the thickness of the first cross-shaped connecting panel 11 and the thickness of the second cross-shaped connecting panel 15 are both 10mm, and the inner round steel pipe 1 protrudes 200mm in the length direction compared with the square steel pipe 2; the height of the first channel joint 8 and the second channel joint 9 is 420 mm.
Example 3
A column assembly type node generation method of an inner circle and outer square compound steel structure is disclosed in example 1 and example 2. May be applied in the application environment as shown in fig. 8. The terminal 100 may be, but is not limited to, various personal computers, notebook computers, smart phones, and tablet computers. The terminal 100 includes a memory, a processor, and a display. The processor may run architectural design software, which may be stored in the memory in the form of a computer program. The memory also provides an operating environment for the architectural design software, and the memory can store operating information for the architectural design software. Specifically, the display screen can display a design interface of the building design software, and a user can input information through the design interface to design a building.
The processor of this embodiment is Intel (R) core (TM) i5-4210U CPU @1.70GHz 2.40GHz, the memory is 8GB RAM, and the display screen is DELL IN2030M resolution 1600 × 900.
The method for generating the column assembly type node of the double steel structure with the inner circle and the outer square in the embodiment specifically comprises the following steps:
s91, identifying columns in the design interface according to the types of the elements in the design interface, the generation positions of the elements and the attribute information of the elements;
the processor acquires the operation information of the architectural design software from the memory, and acquires the types of the elements, the generation positions of the elements and the attribute information of the elements in the current design interface according to the operation information; then, according to the type of the element, the generation position of the element and the attribute information of the element in the design interface, the column with the inside-circle and outside-circle duplex steel structure is obtained;
the attribute information is the structure, relative position, and size of each member in embodiment 1 and embodiment 2.
Optionally, the processor identifies elements of the inner-circle and outer-circle compound steel structure in the design interface according to the generation positions of the elements and the attribute information of the elements, and then identifies the columns in the inner-circle and outer-circle compound steel structure.
S92, screening the columns according to the adjacent information of the columns obtained in the S91 to obtain a column combination; the column combination at least comprises two columns which accord with a preset relative position relationship, and the preset relative position relationship is specifically an up-down position relationship;
specifically, the processor screens the columns according to the adjacent information of the columns to obtain a column combination; the column combination at least comprises two columns with the relative position relation of upper and lower, the processor screens out the columns without the adjacent columns from top to bottom, and the columns without the adjacent columns from top to bottom do not need to be provided with connecting nodes.
Optionally, if there is an adjacent column above and/or below a certain column, the processor combines the certain column and the adjacent column of the certain column as a column;
the above steps can be realized by using the existing adjacent algorithm.
And S93, if the orientation information, the section size and the relative position of the generation point of each column in the column combination obtained in the step S91 meet the preset conditions, generating the column assembly type node of the inside-outside circular compound steel structure according to the generation point of the column meeting the preset conditions and the corresponding attribute information.
Specifically, the processor first determines whether the orientation information, the cross-sectional size, and the relative position of the generation point of each column in the column combination meet preset conditions, and if the orientation information, the cross-sectional size, and the relative position of the generation point of each column in the column combination meet preset conditions, generates a column splicing node according to the generation point meeting the preset conditions and corresponding attribute information.
According to the generation method, the column splicing nodes required by the design software can be automatically generated without manual position selection and parameter setting of the connecting piece by a user.
In this embodiment, S93 specifically includes:
s931, generating a first node joint 6, specifically including:
s9311, determining the upper column relative to the combined column as a first target column, and acquiring a top surface center generating point of the first target column according to the attribute information;
s9312, determining the placing positions of the outer steel tube 2 and the inner circular steel tube 1 in the first target column according to the top surface center generating point of the first target column obtained in the S9311, and then determining the bottom center point of the outer steel tube 2 and the bottom center point of the inner circular steel tube 1 according to the height of the outer steel tube 2 and the height of the inner circular steel tube 1 respectively;
s9313, determining the installation position of the first cross-shaped connection panel 11 according to the center point of the bottom of the inner round steel pipe obtained in the S9312, determining the installation position of the first sleeve joint 5 according to the attribute information, and obtaining a first node joint 6;
s932, generating a second node joint 7, specifically including:
s9321, determining the column with the relative position of the combined column below as a second target column, and acquiring a bottom center generating point of the second target column according to the attribute information;
s9322, determining the placing positions of the outer steel tube 2 and the inner circular steel tube 1 in the second target column according to the bottom surface center generating point of the second target column obtained in the S9321, and then determining the top center point of the outer steel tube 2 and the top center point of the inner circular steel tube 1 according to the height of the outer steel tube 2 and the height of the inner circular steel tube 1 respectively;
s9323, determining the installation position of a second cross-shaped connecting panel 15 according to the center point of the top of the inner circular steel pipe 1 obtained in the S9322, determining the installation position of a second sleeve joint 10 according to the attribute information, and obtaining a second node joint 7;
s933, generating a column assembly type node of a double steel structure with an inner circle and an outer square, and specifically comprising the following steps:
s9331, determining the column of the double steel structure with the inner circle and the outer square as a node target column, and acquiring a bottom center generating point of the node target column according to the attribute information;
s9332, determining the position of the second target column according to the bottom center generating point of the node target column obtained in the S9331, and determining the position and the direction of the first target column according to the position, the direction and the height of the second target column;
s9333, determining the installation positions of the first channel steel joint 8 and the second channel steel joint 9 according to the bottom center point of the outer steel pipe 2 of the first target column obtained in the S9312 and the top center point of the outer steel pipe 2 of the second target column obtained in the S9322;
and S9334, obtaining the mounting positions of the first channel steel joint 8 and the second channel steel joint 9 obtained by the second node joint 7 and the S9333 and the positions, the directions and the heights of the first target column and the second target column obtained by the S9332 according to the first node joint 6 and the S932 obtained by the S931, and obtaining the column assembly type node of the double steel structure with the inner circle and the outer circle.
The node generated by the method of the embodiment accords with the detailed structure diagram of the steel structure node of the multi-story and high-rise civil building 16G519, the Steel structure design Specification GB 50017 + 2017, the building structure load Specification GB 50009 + 2012 and the Steel pipe concrete structure technical Specification GB 50936-2014.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. A column assembly type node of an inner circle and outer square duplex steel structure is characterized in that the node comprises a first node joint (6) and a second node joint (7), the first node joint (6) comprises a first cross-shaped connecting panel (11) connected with the lower end part of an upper side inner circle steel pipe (1), and the first node joint (6) further comprises a first sleeve joint (5) connected with the inner wall of the lower end part of the upper side outer square steel pipe (2);
the second node joint (7) comprises a second cross-shaped connecting panel (15) connected with the upper end part of the lower side inner circle steel pipe (1), the second node joint (7) further comprises a second sleeve joint (10) connected with the inner wall of the upper end part of the lower side outer square steel pipe (2), the first sleeve joint (5) and the second sleeve joint (10) are consistent with the inner cavity structure of the outer square steel pipe (2) and extend out of the end part of the outer square steel pipe (2), and the first cross-shaped connecting panel (11) and the second cross-shaped connecting panel (15) are connected with each other;
still include first channel-section steel joint (8) and second channel-section steel joint (9), first channel-section steel joint (8) and second channel-section steel joint (9) are established at first box head (5) and second box head (10) outer wall.
2. The column-assembled node of an inside-outside circular composite steel structure as claimed in claim 1, wherein the outer wall of the upper inside circular steel tube (1) is provided with at least 1 grouting hole (4), and the length of the grouting hole (4) is the same as that of the upper outside circular steel tube (2).
3. The column-assembled node of an inside-out duplex steel structure as claimed in any one of claims 1 or 2, wherein the first cross-shaped connection panel (11) and the second cross-shaped connection panel (15) are both reserved with a first through hole (12), the thickness of the first cross-shaped connection panel (11) and the thickness of the second cross-shaped connection panel (15) are not less than 10mm, and the width of each side is equal and not less than 100 mm.
4. The column-assembled node of an inside-out duplex steel structure according to any one of claims 1 or 2, wherein the first sleeve joint (5) and the second sleeve joint (10) are provided with a plurality of second through holes (13) on four sides, and the outer dimensions of the cross sections of the first sleeve joint (5) and the second sleeve joint (10) are not larger than the inner dimensions of the cross sections of the outside steel pipe (2) and differ by no more than 2 mm.
5. The column-assembled node of the inside-round and outside-square duplex steel structure as claimed in claim 1 or 2, wherein the length of the long side of the end of the first channel joint (8) is equal to the length of the side of the outside steel tube (2), the length of the short side of the end of the first channel joint (8) is half of the length of the side of the outside steel tube (2), and the thickness of the first channel joint (8) is equal to the thickness of the outside steel tube (2);
first channel-section steel connects (8) and second channel-section steel and connects (9) the structure the same, and its side all is equipped with a plurality of third through-holes (14).
6. A column is characterized by comprising an upper column and a lower column which are coaxially arranged and have an inner circle and outer square duplex steel structure, and further comprising a joint which is assembled and spliced at the adjacent ends of the two columns which have the inner circle and outer square duplex steel structure, wherein the joint is the column assembly type joint of the inner circle and outer square duplex steel structure according to any one of claims 1 to 5.
7. The column assembly type joint connection method of the inside-outside circular composite steel structure as claimed in any one of claims 1 to 5, which specifically comprises:
s61: respectively connecting a first sleeve joint (5) and a second sleeve joint (10) with the inner wall of the outer square steel pipe (2), and placing the inner round steel pipe (1) at the center of the outer square steel pipe (2);
s62: pouring concrete (3) in an interlayer between the inner round steel pipe (1) and the outer square steel pipe (2) until the concrete is flush with the section of the outer square steel pipe (2), and respectively welding a first cross-shaped connecting panel (11) and a second cross-shaped connecting panel (15) with the end parts of the two inner round steel pipes (1);
s63: the butt joint and the fixation of the upper column and the lower column are realized through the first cross-shaped connecting panel (11) and the first through hole (12) of the second cross-shaped connecting panel (15), the first channel steel joint (8) and the second channel steel joint (9) surround the first sleeve joint (5) and the second sleeve joint (10), and the second through hole (13) is matched and connected with the third through hole (14);
s64: and pouring the concrete (3) at the splicing joint through the reserved grouting hole (4).
8. The column fabricated node connecting method of inside-outside circular composite steel structure as claimed in claim 7, wherein half of the first socket joint (5) and the second socket joint (10) in the height direction of the S61 and S63 are extended into the outside steel pipe (2), and the other half of the first socket joint (5) and the second socket joint (10) are connected with the inner wall of the first channel joint (8) and the second channel joint (9), respectively;
the inner round steel pipe (1) in the S62 protrudes in the length direction by no less than 190mm compared with the square steel pipe (2), and the heights of the first channel steel joint (8) and the second channel steel joint (9) in the S63 are no less than 400 mm.
9. A column assembly type node generation method of an inner circle and outer square duplex steel structure is characterized in that the column assembly type node of the inner circle and outer square duplex steel structure is the column assembly type node of the inner circle and outer square duplex steel structure according to any one of claims 1 to 5, and specifically comprises the following steps:
s91, identifying columns in the design interface according to the types of the elements in the design interface, the generation positions of the elements and the attribute information of the elements;
s92, screening the column according to the adjacent information of the column obtained in the S91 to obtain a column combination;
wherein the column combination at least comprises two columns which accord with a preset relative position relation;
and S93, if the orientation information, the section size and the relative position of the generation point of each column in the column combination obtained in the step S91 meet preset conditions, generating the column assembly type node of the inner-circle and outer-circle compound steel structure according to the generation point of the column meeting the preset conditions and corresponding attribute information.
10. The column-assembled node generating method of an inside-out duplex steel structure according to claim 9, wherein S93 specifically includes:
s931, generating a first node joint (6), specifically including:
s9311, determining the upper column relative to the combined column as a first target column, and acquiring a top surface center generating point of the first target column according to the attribute information;
s9312, determining the placing positions of the outer square steel tube (2) and the inner round steel tube (1) in the first target column according to the top surface center generating point of the first target column obtained in the S9311, and then determining the bottom center point of the outer square steel tube (2) and the bottom center point of the inner round steel tube (1) according to the height of the outer square steel tube (2) and the height of the inner round steel tube (1) respectively;
s9313, determining the installation position of a first cross-shaped connecting panel (11) according to the center point of the bottom of the inner round steel pipe obtained in the S9312, determining the installation position of a first sleeve joint (5) according to the attribute information, and obtaining a first node joint (6);
s932, generating a second node joint (7), specifically including:
s9321, determining the column with the relative position below the combined column as a second target column, and acquiring a bottom center generating point of the second target column according to the attribute information;
s9322, determining the placement positions of the outer steel tube (2) and the inner steel tube (1) in the second target column according to the bottom surface center generating point of the second target column obtained in the S9321, and determining the top center point of the outer steel tube (2) and the top center point of the inner steel tube (1) according to the height of the outer steel tube (2) and the height of the inner steel tube (1) respectively;
s9323, determining the installation position of a second cross-shaped connecting panel (15) according to the top center point of the inner round steel pipe (1) obtained in the S9322, determining the installation position of a second sleeve joint (10) according to the attribute information, and obtaining a second node joint (7);
s933, generating a column assembly type node of a double steel structure with an inner circle and an outer square, and specifically comprising the following steps:
s9331, determining the column of the double steel structure with the inner circle and the outer circle as a node target column, and acquiring a bottom center generating point of the node target column according to the attribute information;
s9332, determining the position of the second target column according to the bottom surface center generating point of the node target column obtained in the S9331, and determining the position and the direction of the first target column according to the position, the direction and the height of the second target column;
s9333, determining the installation positions of the first channel steel joint (8) and the second channel steel joint (9) according to the bottom center point of the outer steel pipe (2) of the first target column obtained in the S9312 and the top center point of the outer steel pipe (2) of the second target column obtained in the S9322;
and S9334, obtaining the mounting positions of a second node joint (7), a first channel steel joint (8) and a second channel steel joint (9) obtained by S9333 and the positions, the directions and the heights of a first target column and a second target column obtained by S9332 according to the first node joint (6) and the S932 obtained by S931, and obtaining the column assembly type node of the inner circle and outer circle duplex steel structure.
CN202011146603.4A 2020-10-23 2020-10-23 Column assembly type node with double steel structure with inner circle and outer square, connection and generation method thereof Pending CN112282212A (en)

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