CN110565808A - building structure prefabricated with ultra-narrow flange steel and building with same - Google Patents
building structure prefabricated with ultra-narrow flange steel and building with same Download PDFInfo
- Publication number
- CN110565808A CN110565808A CN201910929566.5A CN201910929566A CN110565808A CN 110565808 A CN110565808 A CN 110565808A CN 201910929566 A CN201910929566 A CN 201910929566A CN 110565808 A CN110565808 A CN 110565808A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- ultra
- steel
- column
- narrow flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 179
- 239000010959 steel Substances 0.000 title claims abstract description 179
- 239000012774 insulation material Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 13
- 238000009417 prefabrication Methods 0.000 claims description 11
- 230000007547 defect Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7637—Anchoring of separate elements through the lining to the wall
-
- 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
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/943—Building elements specially adapted therefor elongated
- E04B1/944—Building elements specially adapted therefor elongated covered with fire-proofing material
Abstract
The invention discloses a building structure prefabricated with ultra-narrow flange steel and a building with the same, wherein the building structure comprises: the steel structure column consists of two groups of ultra-narrow flange steel which are vertically connected with each other; the steel structure beam consists of a group of ultra-narrow flange steels; the boundary prefabricated structure is used for partially prefabricating a steel structure column or a steel structure beam; the column side prefabricated plate can be arranged on a concrete floor and is used for being connected with the boundary prefabricated structure; wherein one end of the boundary precast structure and the column-side precast slab adjacent thereto have the same first and second edge lines at both sides of the sectional width thereof, and the first and second edge lines are parallel to each other; the invention can effectively improve the cold bridge problem, reasonably utilizes the structure to arrange refractory materials and heat insulation materials, and improves the utilization rate of the structures.
Description
Technical Field
the invention relates to the technical field of building structure and assembly system engineering, in particular to a building structure prefabricated with ultra-narrow flange steel and a building with the same.
background
in the prior art, in a building structure and an assembly system, the constructed steel structure and the building have the following technical problems; firstly, the specification and size of a steel structure column and a steel structure beam in a building assembly structure are large, when an outer wall is constructed or prefabricated, the steel structure column and the steel structure beam both protrude out of the outer wall, the cold bridge phenomenon of the building is prominent under the structure, and particularly, the building structure at the flange and the web of section steel adopted by the steel structure column and the steel structure beam is obvious; thirdly, the flanges and the webs of the section steel occupy more effective building area, and the effective area of the building is relatively reduced after the wall surface is built; further, the actual usage of heat insulating materials, fire-proof materials, prefabricated materials, and heat insulating materials in the construction process of a building increases, the amount of work for the corresponding construction work also increases, and the construction cost is a major factor.
based on the above, a building structure that solves the above problems is not provided in the prior art, so that the building structure in the prior art is not perfect in functionality, low in integration, and incapable of effectively reducing the cost of construction engineering.
Disclosure of Invention
the invention aims to solve the problems of the building structure and the assembly system in the prior art, and provides a building structure prefabricated with ultra-narrow flange steel and a building with the building structure.
In order to solve the technical problems, the technical scheme of the invention is as follows:
in a first aspect, the present invention provides a building structure prefabricated with ultra-narrow flange steel, comprising: the steel structure column consists of two groups of ultra-narrow flange steel which are vertically connected with each other; the steel structure beam consists of a group of ultra-narrow flange steels; a plurality of construction units formed by connecting a plurality of the steel structure columns and a plurality of the steel structure beams; a first lateral plane located between the two sets of steel structural columns in one prearranged direction; the second side plane is positioned between the two groups of steel structure columns in the other prearrangement direction and is vertical to the first side plane;
wherein any one set of said construction elements comprises at least: the concrete floor can be arranged on the steel structure beam, and is respectively vertical to the first side plane and the second side plane; a boundary prefabrication structure for partially prefabricating the steel structure column or the steel structure beam; a column-side precast panel mountable on the concrete floor slab and used to be connected with the boundary precast structure;
wherein one end of any one group of the boundary precast structures and the column-side precast panels adjacent thereto have the same first and second edge lines at both sides of the sectional width thereof, and the first and second edge lines are parallel to each other;
wherein the flange width of the ultra-narrow flange steel is less than or equal to 100 mm;
wherein the boundary prefabrication structure is at least integrated with one or more of a thermal insulation material layer, a thermal insulation material layer or a fireproof material layer.
Specifically, the boundary preparation structure includes:
and the first boundary prefabricated structure is prefabricated between two flanges of the steel structure beam and distributed on two sides of the waist plate.
Specifically, the pillar-side precast panel includes: a first pillar side prefabricated panel disposed on the second side plane; the concave groove is formed in the width direction of the first column side precast slab;
wherein the concrete floor slab and the first boundary precast structure are fitted within the recessed groove;
The first boundary prefabricated structure and the first column side prefabricated plate form a first sideline and a second sideline in the height direction of the first column side prefabricated plate and on two sides of the width of the first column side prefabricated plate;
the first edge line and the second edge line are parallel.
specifically, the steel structure post is constructed by two sets of mutually perpendicular's super narrow flange steel and is connected:
a first ultra-narrow flange steel column structure comprising: a first narrow flange steel; the first waist plate is fixedly connected with one end of the first narrow flange steel waist plate; the other end of the first waist plate is fixedly connected with the first flange.
Specifically, the boundary preparation structure further includes: a second boundary prefabrication structure, a part of which is prefabricated between two flanges of the first narrow flange steel, and the other part of which is prefabricated on both sides of the first waist panel.
Specifically, the pillar-side prefabricated panel further includes: a second column side prefabricated panel disposed on the first plane; the second boundary prefabricated structure connects the second column side prefabricated plate and the third column side prefabricated plate;
wherein the second column side prefabricated plate and the third column side prefabricated plate are perpendicular to each other.
specifically, a third side line and a fourth side line are formed at two sides of the cross section width of the second boundary prefabricated structure and the second column side prefabricated plate at the connecting end part of the second boundary prefabricated structure and the second column side prefabricated plate;
the end part of the second boundary prefabricated structure connected with the third column side prefabricated plate forms a fifth sideline and a sixth sideline on two sides of the cross section width of the second boundary prefabricated structure and the third column side prefabricated plate;
Wherein the third side line and the fourth side line are parallel to each other;
wherein the fifth side line and the sixth side line are parallel to each other;
wherein the third edge line and the fifth edge line are perpendicular to each other.
Preferably, the first waist plate is fixedly connected to the center of the first narrow-flange steel waist plate; or
The first waist plate is fixedly connected to one end of the waist plate of the first narrow flange steel and is adjacent to the flange at one end of the first narrow flange steel.
preferably, the column-side prefabricated slab can be divided into a plurality of prefabricated slabs;
Wherein, the column side prefabricated slab can be divided into: at least two groups of first connecting prefabricated plates are connected with two groups of adjacent boundary prefabricated structures in one construction unit respectively; at least one second connecting prefabricated plate for prefabricating between the two first connecting prefabricated plates;
Wherein, in one construction unit, the second connecting prefabricated plates are arranged at a height lower than the heights of the two groups of first connecting prefabricated plates connected with the second connecting prefabricated plates.
In another aspect, the present invention also provides a building, including: the building structure is prefabricated with ultra-narrow flange steel; and an outer wall insulation layer;
when the building structure prefabricated with the ultra-narrow flange steel is arranged at the periphery or the corner of the house, the outer wall heat-insulating layer can be arranged on the building structure prefabricated with the ultra-narrow flange steel along the periphery or the corner of the house.
further, the method for constructing the first ultra-narrow flange steel column structure by two groups of ultra-narrow flange steel which are vertically connected with each other by the steel structure column comprises the following steps:
s101, taking a basic model based on a narrow flange steel structure as a main stress member to obtain first data;
the first data are geometric numerical values of the narrow-flange steel structure, and a section characteristic value is obtained through calculation;
S102, based on the first data and the corresponding section characteristic values, applying horizontal deformation to the basic type of the narrow flange steel structure to obtain a set of variation trend values;
The set is at least four sets of layer defect representative values calculated by addition;
wherein the defect value is used to represent the layer height of each group of defect layers;
S103, obtaining geometric deformation which takes the basic form of the narrow flange steel structure as a main stress member in a first-order buckling mode form based on the set of the variation trend numerical values, and calculating by a formula delta 0-e 0sin (pi x/L);
wherein e0 member is initially deformed at its point of emphasis, x is the distance from the end of the member, and L is the total length of the member;
S104, obtaining basic model size of the ultra-narrow flange steel column structure T1 according to geometric deformation, wherein the flange width range of the ultra-narrow flange steel is 120 mm;
s105, setting a flange width range lower line, and establishing a rigidity matrix for the basic model size of the ultra-narrow flange steel column structure T1 to perform static balance calculation based on the ultra-narrow flange width of the ultra-narrow flange steel with an optimal value being equal to or less than 120 mm;
s106, obtaining a stress calculation result of the ultra-narrow flange steel column structure T1 through nonlinear analysis through the rigidity matrix, and determining the lower limit of the range based on the result, wherein the lower limit of the range is 75 mm.
the invention has the following beneficial effects:
firstly, the boundary prefabricated structure and the column side prefabricated plate contain fireproof materials, have the effects of heat preservation and heat insulation, and can effectively reduce the problem of link cold bridge; and the structure is reasonably utilized to arrange refractory materials and heat insulation materials, so that the utilization rate between the structures is improved.
Second, the prefabricated structure in border is equivalent to hide among this structure, can not go extra occupation building area, improves the indoor usage space of building, has also improved the utilization ratio of prefabricated plate material in heat preservation, thermal-insulated, fire prevention simultaneously, can reduce engineering cost, also makes the performance of this structure more firm.
and thirdly, the connection of the boundary prefabricated structure and the column side prefabricated plate is more continuous and uniform, the surfaces of all the wall bodies are smooth, the using area of the building is further increased, and the building is more attractive and elegant.
fourthly, the structure can be applied to engineering practice, namely the steps of the method for constructing the first ultra-narrow flange steel column structure by two groups of ultra-narrow flange steel columns which are mutually and vertically connected by the steel structure column further illustrate the advantages and the generalization of the structure in application.
drawings
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a building structure prefabricated with ultra narrow flange steel of the present invention;
FIG. 2 is a detailed structural view of a building structure prefabricated with ultra-narrow flange steel of the present invention;
FIG. 3 is a schematic view of a first boundary preform structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second boundary preform structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of another embodiment of a second boundary preform structure according to the present invention;
FIG. 6 is a schematic view of an embodiment of a first and second connected prefabricated panels according to the present invention;
FIG. 7 is an analysis table based on characteristic values of sections of narrow-flange steels according to the present invention;
FIG. 8 is a schematic diagram of a set of trend values according to the present invention;
FIG. 9 is another schematic diagram of the set of trend values of the present invention;
FIG. 10 is a schematic diagram of a stiffness matrix static balance calculation of the present invention;
The reference numerals in the figures denote:
The steel structure column comprises a steel structure column 100, a steel structure beam 200, a construction unit 300, a concrete floor 400, a first side plane 1 and a second side plane 2;
a boundary prefabricated structure 10 and a column side prefabricated plate 20;
A first boundary precast structure 11, a first column-side precast panel 21, a concave groove 220;
A first edge line a1, a second edge line a 2;
a first ultra-narrow flange steel column structure T1, a first narrow flange steel 110;
A first waist panel 111, a first flange 112;
A second boundary preparation structure 12;
A second column side prefabricated plate 22 and a third column side prefabricated plate 23;
a third line A3, a fourth line a 4;
A fifth edge a5 and a sixth edge a 6;
the first connecting prefabricated slab 201, the second connecting prefabricated slab 202 and the outer wall heat-insulating layer 500;
layer height (h1, h2, h3, h4)
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The invention provides a building structure prefabricated with ultra-narrow flange steel and a building with the building structure, and aims to achieve the technical effects of improving the functionality of the building structure, improving the integration and effectively reducing the cost of construction engineering; in order to realize the technical effect, the following three aspects need to be guaranteed to realize, and the first is the influence of the cold bridge effect of effective reduction steel structure post and steel structure beam position, especially there is the protrusion of flange and web relative structure wholly to have the cave in, is the position that the cold bridge phenomenon takes place most easily. (ii) a Secondly, the effective building area is increased, so that the heat-insulating material, the fireproof material, the prefabricated material and the heat-insulating material can be effectively utilized; and thirdly, the building structure is optimized, and the effective building area is increased.
Based on the above, the present invention is implemented as follows, firstly, the technical solution proposes a building structure prefabricated with ultra-narrow flange steel, please refer to fig. 1, and the structure includes: the steel structure column 100 is composed of two groups of ultra-narrow flange steel which are vertically connected with each other; the steel structure beam 200 is composed of a group of ultra-narrow flange steel;
A plurality of construction units 300 formed by connecting a plurality of steel structural columns 100 and a plurality of steel structural beams 200 to each other; the plurality of construction units 300 correspond to the layout of the whole building structure, and the ultra-narrow flange steel is an improved section steel provided in the technical scheme, and the narrow flange steel is used as a basic model of the structure.
A first lateral plane 1 located between two sets of steel structural columns 100 in one prearranged direction; the second side plane 2 is positioned between the two groups of steel structure columns 100 in the other prearranged direction, and the second side plane 2 is vertical to the first side plane 1; it is to be understood that the first side plane 1 and the second side plane 2 are virtual planes as an aid to understanding to describe the present technical solution, and one prearranged direction and the other prearranged direction correspond to the lateral and longitudinal directions shown in fig. 1.
wherein any one set of building elements 300 comprises at least: a concrete floor 400 which can be installed on the steel structural beam 200, and the concrete floor 400 is perpendicular to the first side plane 1 and the second side plane 2, respectively; specifically, there is provided a manner of installation of the concrete floor 400.
a boundary prefabrication structure 10 for partially prefabricating the steel structural columns 100 or the steel structural beams 200;
a column-side prefabricated panel 20 that can be installed on the concrete floor 400 and is used to be connected with the boundary prefabricated structure 10; wherein one end of any one set of the boundary preform structures 10 and its adjacent column-side preform plates 20 have the same first and second edge lines on both sides of the sectional width thereof, and the first and second edge lines are parallel to each other.
the boundary prefabricated structure 10 at least integrates one or more of a heat insulation material layer, a heat insulation material layer or a fireproof material layer, and is arranged in such a way that the building structure does not need to be independently coated or a fireproof pattern layer is prefabricated, and the heat insulation and heat insulation effects can be realized, the boundary prefabricated structure 10 is partially prefabricated on the steel structure column 100 or the steel structure beam 200, namely the position between the flange and the web of the steel structure is filled, so that the influence of the cold bridge effect which is most easily generated at the positions of the steel structure column 100 and the steel structure 200 is greatly reduced, and particularly, the boundary prefabricated structure 10 can be manufactured into a plate shape; it will be appreciated that, by the above-described construction of the prefabricated structure, it is also possible to ensure that one end of any one set of the boundary prefabricated structures 10 and the adjacent column-side prefabricated panels 20 have the same first and second edge lines on both sides of the cross-sectional width thereof, and the first and second edge lines are parallel to each other, which corresponds to the thickness of the boundary prefabricated structure 10 and the thickness of the column-side prefabricated panels 20 being equal, so that the whole structure is free from the concavity or convexity, and the influence of the cold bridge effect is further reduced, while in fact the main occurrence position of the cold bridge effect is forming the convexity or concavity in the building structure, which obviously cannot be achieved by the prior art. Further, in order to achieve the above technical objects, in a specific embodiment, the flange width of the ultra-narrow flange steel is less than or equal to 100mm, and based on this, the structure does not need to increase the thickness of the column-side prefabricated panel 20, thereby saving more building area. Obviously, by the technical scheme, the invention realizes the technical effects, specifically:
the boundary prefabricated structure 10 can be prefabricated between the web and the flange of the narrow flange steel in a pouring connection mode; so set up, be equivalent to keep warm, thermal insulation material system boundary prefabricated construction 10 direct action is in producing the structure of the most outstanding narrow edge of a wing steel itself of cold bridge problem, be between web and the edge of a wing promptly, the effect that sets up like this has is, boundary prefabricated construction 10 is equivalent to hide among this building structure, can not remove extra occupation building area, improve the indoor usage space of building, also improved simultaneously and kept warm, thermal-insulated, the utilization ratio of prefabricated plate material is in advance prevented fires, can reduce engineering cost, also make the performance of this structure more firm.
the structure is not provided with bulges or depressions, so that the connection between the boundary prefabricated structure 10 and the column side prefabricated plate 20 is more continuous and uniform, the surfaces of all the walls are smooth, the using area of the building is further increased, and the building is more attractive and elegant.
in one embodiment, referring to fig. 2 and 3, the boundary preform structure 10 includes: the first boundary prefabricating structure 11 is prefabricated between two flanges of the steel structural beam 200 and is distributed at both sides of the waist plate, and the embodiment is provided at the specific steel structural beam 200.
Further, in this embodiment, referring to fig. 2, the pillar-side prefabricated panel 20 includes: a first pillar side prefabricated panel 21 disposed on the second side plane 2; a concave groove 220 opened in the width direction of the first column-side prefabricated panel 21;
Wherein the concrete floor 400 and the first boundary precast structure 11 are assembled in the depressed trench 220; wherein the first boundary precast structure 11 and the first column-side precast panel 21 form a first sideline a1 and a second sideline a2 in the height direction of the first column-side precast panel 21 and on both sides of the width thereof; the first side line a1 and the second side line a2 are parallel, and obviously, the concave groove 220 is also arranged to make the whole structure flat, not generate bulges or depressions, reduce the influence of cold bridge effect and facilitate prefabricated installation.
In addition, in the position of the steel structural column 100, the present invention provides two embodiments to correspond to the position of the building corner, which specifically includes:
referring to fig. 4 and 5, the steel structural column 100 is made of two groups of ultra-narrow flange steel which are vertically connected with each other: a first ultra narrow flange steel column structure T1 comprising: a first narrow flange steel 110; a first waist plate 111, one end of which is fixedly connected to the waist plate of the first narrow flange steel 110; the other end of the first flange 112 and the first waist panel 111 is fixedly connected to the first flange 112.
referring to fig. 4 and 5, the boundary prefabricating structure 10 further includes: the second boundary prefabrication structure 12, a part of which is prefabricated between the two flanges of the first narrow flange steel 110, and the other part of which is prefabricated on both sides of the first waist panel 111.
referring to fig. 3, the pillar-side prefabricated panel 20 further includes: a second column-side prefabricated panel 22 disposed on the first plane 1; a third column side prefabricated plate 23, wherein the second boundary prefabricated structure 12 connects the second column side prefabricated plate 22 with the third column side prefabricated plate 23; wherein the second column side prefabricated panel 22 and the third column side prefabricated panel 23 are perpendicular to each other.
referring to fig. 3, the end portion of the second boundary preform structure 12 connected to the second column-side preform plate 22 forms a third side line A3 and a fourth side line a4 at both sides of the cross-sectional width thereof; the end of the second boundary preform structure 12 to which the third column-side preform plate 23 is connected forms a fifth borderline a5 and a sixth borderline a6 at both sides of the cross-sectional width thereof;
wherein the third side line A3 and the fourth side line a4 are parallel to each other; wherein the fifth edge line a5 and the sixth edge line a6 are parallel to each other; wherein the third edge line A3 and the fifth edge line a5 are perpendicular to each other.
the difference between the two embodiments of fig. 4 and 5 is that the first waist plate 111 is fixedly connected to the center of the waist plate of the first narrow-flange steel 110; or the first waist panel 111 is fixedly attached to one end of the waist panel of the first narrow-flange steel 110 and adjacent to the flange of one end of the first narrow-flange steel 110.
obviously, other similar structural variations exist under the teaching of the present technical solution.
in a specific embodiment, referring to fig. 3, the column-side prefabricated panels 20 may be divided into a plurality of prefabricated panels; wherein, the column-side prefabricated panel 20 can be divided into: at least two groups of first connection prefabricated plates 201, wherein two groups of adjacent boundary prefabricated structures 10 are respectively connected in a construction unit; at least one second connected prefabricated panel 202 prefabricated between the two first connected prefabricated panels 202; wherein the second connecting prefabricated panels 202 are arranged at a lower height than the two sets of first connecting prefabricated panels 201 connected thereto within one construction unit. The main purpose of this design is to facilitate construction needs, and the column-side prefabricated panels 20 can be divided into a plurality of sections to facilitate prefabricated installation.
in a second aspect of the present invention, a building is provided, including: prefabricating a building structure with ultra-narrow flange steel; and an outer wall insulation layer 500;
When the building structure prefabricated with the ultra-narrow flange steel is arranged at the periphery or the corner of the house, the outer wall heat insulation layer 500 can be installed on the building structure prefabricated with the ultra-narrow flange steel along the periphery or the corner of the house.
in addition, in the technical scheme, the ultra-narrow flange steel specifically refers to the steel structural column 100 or the steel structural beam 200, the steel structural column 100 is a deformation formed by connecting two groups of narrow flange steel, it can be understood that one group of narrow flange steel lacks a straight flange, and one end lacking the flange is connected to a waist plate of the other group of narrow flange steel, the design mode is to adapt to a corner structure or a beam crossing position, so that the structure can be applied to engineering practice, and the ultra-narrow flange steel column structure T1 is obtained by the following method, namely the method for constructing the first ultra-narrow flange steel column structure T1 by two groups of mutually vertically connected ultra-narrow flange steel comprises the following steps:
s101, taking a basic model based on a narrow flange steel structure as a main stress member to obtain first data;
The first data are geometric numerical values of the narrow-flange steel structure, and a section characteristic value is obtained through calculation; in one embodiment, see table below or fig. 7;
asy: effective shear area in the y-axis direction of the unit local coordinate system;
Asz: effective shear area in the z-axis direction of the unit local coordinate system;
Ixx: the torsional inertia distance of the x axis of the unit local coordinate system;
Iyy: the inertia distance of the y axis of the unit local coordinate system;
izz: the inertia distance of the z axis of the unit local coordinate system;
cyp is: the distance from the neutral axis to the edge fiber in the section of the unit along the direction of the unit local coordinate system + y axis;
Cym: the distance from the neutral axis to the edge fiber in the section of the unit along the direction of the-y axis of the local coordinate system of the unit;
czp: the distance from the neutral axis to the edge fiber in the section of the unit along the direction of the unit local coordinate system plus the z axis;
Czm: the distance from the neutral axis to the edge fiber in the cross section of the cell in the direction of the z-axis of the local coordinate system of the cell;
qyb: a shear coefficient along a z-axis direction of the unit local coordinate system;
qzb: the shear coefficient along the y-axis direction of the unit local coordinate system;
o, Peri: perimeter of the outer contour of the cross section;
i of Peri: inner contour perimeter of box or tubular section;
c, Cent: y: the distance from the leftmost side of the cross-section to the mandrel;
and Cent: z: the distance from the lowermost end of the cross section to the mandrel;
y1, z 1: y and z coordinates of the most marginal point at the upper left of the section;
y2, z 2: y and z coordinates of the extreme edge point at the upper right of the section;
y3, z 3: y and z coordinates of the extreme edge point at the right lower part of the section;
y4, z 4: y and z coordinates of the extreme edge point at the lower left of the section;
s102, based on the first data and the corresponding section characteristic values, applying horizontal deformation to the basic type of the narrow flange steel structure to obtain a set of variation trend values;
The set is at least four sets of layer defect representative values calculated by addition;
wherein the defect value is used to represent the layer height of each group of defect layers;
in one embodiment, please refer to fig. 8 and 9;
the set of the trend values is represented as Δ 0, the four groups of defects are Δ 1, 2, 3, 4, the formula is calculated as Δ 0 ═ Δ 1 +/Δ 2 +/Δ 3 +/Δ 4, and the layer heights are h1, h2, h3, h 4.
S103, obtaining geometric deformation which takes the basic form of the narrow flange steel structure as a main stress member in a first-order buckling mode form based on the set of the variation trend numerical values, and calculating by a formula delta 0-e 0sin (pi x/L); wherein the e0 member is initially deformed at its focal point, x is the distance from the end of the member, and the total length of the L member, as shown in fig. 10;
S104, obtaining basic model size of the ultra-narrow flange steel column structure T1 according to geometric deformation, wherein the flange width range of the ultra-narrow flange steel is 120 mm; the maximum flange width is determined to be 120mm according to the total thickness of the wall minus the thickness of the fireproof materials on the two sides;
s105, setting a flange width range lower line, and establishing a rigidity matrix for the basic model size of the ultra-narrow flange steel column structure T1 to perform static balance calculation based on the ultra-narrow flange width of the ultra-narrow flange steel with an optimal value being equal to or less than 120 mm;
wherein, the static balance is obtained by the following calculation formula, which is shown in the following table:
| Name (R) | calculation formula |
| first calculation formula | [k]e＝∫v[B]T[D][B]dV； |
| Second calculation formula | [K]＝[K]1+[K]2+[K]3+…+[K]n； |
| Third formula of calculation | ([KE]+[KG]){u}＝{P}； |
| code number | means of |
| [k]e | unit stiffness matrix |
| [B] | Strain matrix |
| [D] | Elastic matrix |
| [K] | Integral stiffness matrix |
| [KE] | elastic stiffness matrix |
| [KG] | Geometryrigidity matrix |
| {u} | nodal displacement vector |
| {P} | node load vector |
S106, obtaining a stress calculation result of the ultra-narrow flange steel column structure T1 through nonlinear analysis through the rigidity matrix, and determining the lower limit of the range based on the result. In a specific embodiment, the minimum width is calculated as phi b ═ phi b' to obtain 75 mm. Wherein, the integral stability coefficient of the beam with phi b is calculated by the following formula: phi b is 1.07-0.282/phi b.
the invention has the following technical advantages:
Firstly, the boundary prefabricated structure 10 and the column side prefabricated plate 20 both contain fireproof materials, have the effects of heat preservation and heat insulation, and can effectively reduce the problem of link cold bridge; and the structure is reasonably utilized to arrange refractory materials and heat insulation materials, so that the utilization rate between the structures is improved.
secondly, the prefabricated structure 10 of boundary is equivalent to hide among this structure, can not go extra occupation building area, improves the indoor usage space of building, has also improved the utilization ratio of prefabricated plate material in heat preservation, thermal-insulated, fire prevention simultaneously, can reduce engineering cost, also makes the performance of this structure more firm.
thirdly, the connection of the boundary prefabricated structure 10 and the column side prefabricated slab 20 is more continuous and orderly, the surfaces of all the walls are smooth, the using area of the building is further increased, and the building is more attractive and elegant.
fourth, the advantage and generalizability of this structure in its application is further illustrated by the steps of the method of constructing the first ultra-narrow flange steel column structure T1 from two sets of ultra-narrow flange steel members connected perpendicular to each other by the steel structural column 100, which makes this structure applicable to engineering practice.
it should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. Building structure prefabricated with ultra-narrow flange steel, characterized by comprising:
The steel structure column (100) consists of two groups of ultra-narrow flange steel which are vertically connected with each other;
the steel structure beam (200) consists of a group of ultra-narrow flange steel;
a plurality of construction units (300) formed by connecting the plurality of steel structure columns (100) and the plurality of steel structure beams (200) to each other;
a first lateral plane (1) located between two sets of steel structural columns (100) in one prearranged direction;
A second lateral plane (2) which is located between two groups of steel structure columns (100) in the other prearranged direction, and the second lateral plane (2) is perpendicular to the first lateral plane (1);
wherein any one set of said construction elements (300) comprises at least:
a concrete floor (400) mountable on the steel structural beam (200), the concrete floor (400) being perpendicular to the first side plane (1) and the second side plane (2), respectively;
a boundary prefabrication structure (10) for partial prefabrication on the steel structural column (100) or the steel structural beam (200);
a column-side prefabricated panel (20) mountable on the concrete floor (400) and adapted to be connected with the boundary prefabricated structure (10);
wherein one end of each of the boundary precast structures (10) of one group and the column-side precast panel (20) adjacent thereto have the same first and second edge lines on both sides of the sectional width thereof, and the first and second edge lines are parallel to each other;
wherein the flange width range of the ultra-narrow flange steel is 75mm-120 mm;
wherein the boundary preform structure (10) is integrated with at least one or more of a layer of thermal insulation material, a layer of thermal insulation material or a layer of fire protection material.
2. the building structure prefabricated with ultra-narrow flange steel according to claim 1, wherein said boundary prefabrication structure (10) comprises:
and the first boundary prefabricating structure (11) is prefabricated between two flanges of the steel structure beam (200) and is distributed on two sides of the waist plate.
3. the building structure prefabricated with ultra-narrow flange steel according to claim 2, wherein said column-side prefabricated panels (20) comprise:
A first column-side prefabricated panel (21) arranged on the second side plane (2);
a concave groove (220) formed along the width direction of the first column-side prefabricated plate (21);
Wherein the concrete floor (400) and the first boundary preform structure (11) are fitted within the recessed groove (220);
Wherein the first boundary precast structure (11) and the first column-side precast slab (21) form a first sideline (A1) and a second sideline (A2) in the height direction of the first column-side precast slab (21) and on both sides of the width thereof;
The first edge line (A1) and the second edge line (A2) are parallel.
4. The building structure prefabricated with ultra-narrow flange steel according to claim 1, wherein said steel structural column (100) is constructed of two sets of ultra-narrow flange steel connected perpendicular to each other:
a first ultra-narrow flange steel column structure (T1) comprising:
A first narrow flange steel (110);
A first waist plate (111) with one end fixedly connected to the waist plate of the first narrow flange steel (110);
The other end of the first waist plate (111) is fixedly connected with the first flange (112).
5. the building structure prefabricated with ultra-narrow flange steel according to claim 4, wherein said boundary prefabrication structure (10) further comprises:
a second boundary prefabrication structure (12) which is partially prefabricated between two flanges of the first narrow flange steel (110) and is partially prefabricated on both sides of the first waist panel (111).
6. the prefabricated ultra narrow flange steel building structure of claim 5, wherein said column-side prefabricated panels (20) further comprise:
a second column side prefabricated panel (22) arranged on the first plane (1);
a third column side prefabricated panel (23), wherein the second boundary prefabricated structure (12) connects the second column side prefabricated panel (22) with the third column side prefabricated panel (23);
wherein the second column side prefabricated plate (22) and the third column side prefabricated plate (23) are perpendicular to each other.
7. The building structure prefabricated with ultra narrow flange steel according to claim 6, wherein the end of said second boundary prefabricated structure (12) connected with said second column side prefabricated panel (22) forms a third borderline (A3) and a fourth borderline (A4) at both sides of their cross-sectional width;
the end part of the second boundary prefabricated structure (12) connected with the third column side prefabricated plate (23) is arranged at two parts
the sides of the cross-sectional width form a fifth side line (A5) and a sixth side line (A6);
Wherein the third edge line (A3) and the fourth edge line (A4) are parallel to each other;
Wherein the fifth edge (A5) and the sixth edge (A6) are parallel to each other;
wherein the third edge line (A3) and the fifth edge line (A5) are perpendicular to each other.
8. the prefabricated ultra narrow flange steel building structure of claim 4 wherein said first waist panel (111) is fixedly attached to the center of said first narrow flange steel (110) waist panel; or
the first waist plate (111) is fixedly connected to one end of the waist plate of the first narrow flange steel (110) and is adjacent to the flange at one end of the first narrow flange steel (110).
9. the building structure prefabricated with ultra-narrow flange steel according to claim 1, wherein the column-side prefabricated panels (20) are dividable into a plurality for prefabrication;
wherein the pillar side prefabricated panel (20) is dividable into:
At least two first groups of connected prefabricated panels (201) divided in one of said building units
respectively connecting two groups of adjacent boundary prefabricated structures (10);
at least one second set of connected prefabricated panels (202) to be prefabricated between the two sets of first connected prefabricated panels (202);
wherein, in one construction unit, the second connecting prefabricated plates (202) are arranged at a lower height than the two groups of first connecting prefabricated plates (201) connected with the second connecting prefabricated plates.
10. A building, comprising:
a prefabricated ultra narrow flange steel building structure as claimed in any one of claims 1 to 9; and an outer wall insulation layer (500);
when the building structure prefabricated with the ultra-narrow flange steel is arranged at the periphery or the corner of the house, the outer wall heat-insulating layer (500) can be arranged on the building structure prefabricated with the ultra-narrow flange steel along the periphery or the corner of the house.
11. the prefabricated ultra narrow flange steel building structure of claim 4 wherein said steel structural column (100) is constructed from two sets of ultra narrow flange steel joined perpendicular to each other to form said first ultra narrow flange steel column structure (T1) by the steps of:
s101, taking the basic model based on the narrow flange steel structure as a main stress member to obtain first data;
The first data are geometric numerical values of the narrow-flange steel structure, and a section characteristic value is obtained through calculation;
s102, based on the first data and the corresponding section characteristic values, applying horizontal deformation to the basic type of the narrow-flange steel structure to obtain a set of variation trend values;
The set is at least four sets of layer defect representative values calculated by addition;
Wherein the defect value is used to represent the layer height of each group of defect layers;
S103, obtaining geometric deformation which takes the basic form of the narrow flange steel structure as a main stress member in a first-order buckling mode form based on the set of the variation trend numerical values, and calculating by a formula delta 0-e 0sin (pi x/L);
wherein e0 member is initially deformed at its point of emphasis, x is the distance from the end of the member, and L is the total length of the member;
S104, obtaining basic model size of the ultra-narrow flange steel column structure T1 according to geometric deformation, wherein the flange width range of the ultra-narrow flange steel is 120 mm;
s105, setting a flange width range lower line, and establishing a rigidity matrix for the basic model size of the ultra-narrow flange steel column structure T1 to perform static balance calculation based on the ultra-narrow flange width of the ultra-narrow flange steel with an optimal value being equal to or less than 120 mm;
s106, obtaining a stress calculation result of the ultra-narrow flange steel column structure T1 through nonlinear analysis through the rigidity matrix, and determining the lower limit of the range based on the result, wherein the lower limit of the range is 75 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929566.5A CN110565808B (en) | 2019-09-29 | 2019-09-29 | Building structure prefabricated with ultra-narrow flange steel and building with building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929566.5A CN110565808B (en) | 2019-09-29 | 2019-09-29 | Building structure prefabricated with ultra-narrow flange steel and building with building structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110565808A true CN110565808A (en) | 2019-12-13 |
| CN110565808B CN110565808B (en) | 2024-02-27 |
Family
ID=68783125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910929566.5A Active CN110565808B (en) | 2019-09-29 | 2019-09-29 | Building structure prefabricated with ultra-narrow flange steel and building with building structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565808B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184836A1 (en) * | 2001-06-06 | 2002-12-12 | Toru Takeuchi | Column-and-beam join structure |
| US20040244330A1 (en) * | 2001-06-06 | 2004-12-09 | Toru Takeuchi | Column-and-beam join structure |
| CN204753817U (en) * | 2015-06-24 | 2015-11-11 | 宿迁学院 | Steel structure beam column joint |
| CN110206147A (en) * | 2019-06-19 | 2019-09-06 | 中国航空规划设计研究总院有限公司 | The more high-rise assembling type steel structure systems and construction method of additional exterior wall horizontal rigidity |
-
2019
- 2019-09-29 CN CN201910929566.5A patent/CN110565808B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184836A1 (en) * | 2001-06-06 | 2002-12-12 | Toru Takeuchi | Column-and-beam join structure |
| US20040244330A1 (en) * | 2001-06-06 | 2004-12-09 | Toru Takeuchi | Column-and-beam join structure |
| CN204753817U (en) * | 2015-06-24 | 2015-11-11 | 宿迁学院 | Steel structure beam column joint |
| CN110206147A (en) * | 2019-06-19 | 2019-09-06 | 中国航空规划设计研究总院有限公司 | The more high-rise assembling type steel structure systems and construction method of additional exterior wall horizontal rigidity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110565808B (en) | 2024-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108360725B (en) | Z-shaped connection section steel concrete deformed column-invisible beam floor slab assembly system | |
| CN101492936A (en) | Overtravel main machine supporting beam construction system | |
| CN210164056U (en) | Assembled steel-concrete composite structure building system | |
| CN204919805U (en) | A bundled tube steel framework composition structure that is used for industrialization assembled steel construction house | |
| CN211571966U (en) | Building structure prefabricated with ultra-narrow flange steel and building with same | |
| EP3583274B1 (en) | Primary shell load-bearing support structure | |
| CN107908822B (en) | Design method of prefabricated double-connecting beam in integrally-assembled shear wall building structure | |
| CN213897479U (en) | Novel assembled steel frame structure | |
| CN110565808A (en) | building structure prefabricated with ultra-narrow flange steel and building with same | |
| CN105002982A (en) | Bundled tube steel framework combined structure for industrial assembled steel structure residence | |
| WO2023202490A1 (en) | Built-in laced-type lattice column double steel plate shear wall having wall-beam joint region | |
| CN105275121B (en) | Three layers of T-steel laced beam and preparation method thereof | |
| CN114541585B (en) | Truss structure design method based on large-space multi-layer building | |
| CN202767349U (en) | Prefabricated reinforced concrete member with grooves | |
| CN211007316U (en) | Enclosure structure of fabricated building and steel pipe column used by same | |
| CN115162814A (en) | Frame corrugated steel plate shear wall building | |
| CN110258918B (en) | Y-shaped variable cross-section bending box type truss structure and manufacturing method thereof | |
| CN211007146U (en) | Prefabricated external wall panel and connecting joint | |
| CN211007147U (en) | Fabricated building | |
| CN112942898A (en) | Modular integrally-assembled building system, building module unit and connecting node | |
| CN2490246Y (en) | Prestressed concrete floor with dense ribs | |
| CN113026936A (en) | Profiled hollow steel plate | |
| CN110397218A (en) | The building enclosure of assembled architecture and the steel pipe column used and steel pipe column processing technology | |
| CN214500302U (en) | Solve wall fluting structure of pipeline collision | |
| CN220486871U (en) | Ramp type hollow floor system unit, hollow floor system and multi-storey building structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Yongcun Inventor after: Yu Baoxi Inventor before: Huang Yongcun Inventor before: Jade seal |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |