CN113431212A - Take induced seam structure of reinforced concrete floor of S-shaped reinforcing bar of buckling - Google Patents
Take induced seam structure of reinforced concrete floor of S-shaped reinforcing bar of buckling Download PDFInfo
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- CN113431212A CN113431212A CN202110694133.3A CN202110694133A CN113431212A CN 113431212 A CN113431212 A CN 113431212A CN 202110694133 A CN202110694133 A CN 202110694133A CN 113431212 A CN113431212 A CN 113431212A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
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Abstract
The invention relates to the technical field of building materials, in particular to a reinforced concrete floor slab induced joint structure with S-shaped bent reinforcing steel bars, which comprises the following components: the reinforced concrete floor slab, the common steel bars of the floor slab, the S-shaped bent steel bars of the floor slab and the brackets; the reinforcing bar of floor S shape reinforcing bar of buckling includes: the steel bar body is provided with at least two straight line steel bar sections and at least one oblique line steel bar section; the first end of the oblique line steel bar section is connected with the first straight line steel bar section adjacent to the first end; the second end of the oblique line steel bar section is connected with the second straight line steel bar section adjacent to the second end; the first linear steel bar section and the second linear steel bar section are distributed in a staggered relation; the bracket is used for supporting the reinforced concrete floor slab at the bottom of the reinforced concrete floor slab; the bearing part of the bracket, the induction joint and the oblique line steel bar section of the S-shaped bent steel bar of the floor slab are correspondingly arranged.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a reinforced concrete floor slab induced joint structure with S-shaped bent reinforcing steel bars.
Background
The reinforcing steel bar is widely applied in the field of civil engineering, mainly bears the tensile force in a reinforced concrete structure, and cooperatively bears various load forms of pulling, pressing, bending, shearing, twisting and the like of the structure together with concrete. The reinforced concrete structure has good bearing capacity, but the traditional reinforced concrete structure can shrink due to dry shrinkage, creep, environmental temperature reduction and the like, so that shrinkage deformation or shrinkage stress is generated.
The shrinkage behavior of a concrete structure is greatly influenced by the structure, the larger the plane size of the structure is, the stronger the constraint at the periphery of the structure is, and the larger the temperature stress generated in the structure is, the more easily the concrete structure is cracked. Such cracks affect the visual sense of people, causing discomfort, while environmental factors more easily cause deterioration of internal concrete or reinforcing bars through cracks, thereby affecting the safety or durability of the structure.
With the development of society, the demand of large public buildings is rapidly increased, and the size of the structural plane is continuously increased. In order to reduce the influence of temperature stress, the traditional mode is that the structural plane is divided into regular smaller sizes by arranging expansion joints, each block structure expands and contracts in a respective small-scale range, the caused temperature stress is small, but the expansion joint part needs special building treatment, the use and the attractiveness are influenced, and the outdoor expansion joint has water leakage risk.
Therefore, the engineering industry is more and more inclined to avoid the seam, and only uniform, fine and dense cracks are ensured to appear through reasonable reinforcement, design reinforcing methods such as micro-expansion concrete or prestress application and construction measures such as reinforcing maintenance and the like, and high cost is paid.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a reinforced concrete floor slab induced joint structure with S-shaped bent reinforcing steel bars, and the bending basically has no influence on the strength of the reinforcing steel bars, so that a complicated design reinforcing method is not needed in the process of solving the problem of concrete temperature cracking, an additional reinforcing steel bar in the traditional induced joint structure is not needed, and the construction convenience and the economical efficiency are greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a reinforced concrete floor slab induced joint structure with S-shaped bent reinforcing steel bars, which comprises: the reinforced concrete floor slab, the common steel bars of the floor slab, the S-shaped bent steel bars of the floor slab and the brackets; the reinforced concrete floor is provided with an induction seam; the common reinforcing steel bars of the floor slab and the S-shaped bent reinforcing steel bars of the floor slab are horizontally staggered in the reinforced concrete floor slab; the reinforcing bar of floor S shape reinforcing bar of buckling includes: the steel bar body is provided with at least two straight line steel bar sections and at least one oblique line steel bar section; the first end of the oblique line steel bar section is connected with the first straight line steel bar section adjacent to the first end; the second end of the oblique line steel bar section is connected with the second straight line steel bar section adjacent to the second end; the first linear steel bar section and the second linear steel bar section are distributed in a staggered relation; the bracket is used for supporting the reinforced concrete floor slab at the bottom of the reinforced concrete floor slab; the bearing part of the bracket, the induction joint and the oblique line steel bar section of the S-shaped bent steel bar of the floor slab are correspondingly arranged.
Preferably, the corbel comprises: steel corbels or reinforced concrete corbels.
Preferably, the steel corbels are provided with thin partition plates between the reinforced concrete floors; the thin partition plate, the supporting part of the bracket, the induction joint and the oblique line steel bar section of the S-shaped bent steel bar of the floor slab are correspondingly arranged.
Preferably, the number of the S-shaped bent reinforcing steel bars of the floor slab is two, and the oblique line reinforcing steel bar sections of the two groups of S-shaped bent reinforcing steel bars of the floor slab are correspondingly arranged at the top and the bottom of the slab.
Preferably, the included angle between the first straight line reinforcing steel bar section and the oblique line reinforcing steel bar section is the same as the included angle between the second straight line reinforcing steel bar section and the oblique line reinforcing steel bar section.
Preferably, the included angle between the first straight line reinforcing steel bar section and the oblique line reinforcing steel bar section is different from the included angle between the second straight line reinforcing steel bar section and the oblique line reinforcing steel bar section.
Preferably, the inducing seam is blocked by a flexible filling material.
Preferably, the diagonal reinforcement segment includes: an oblique straight line segment; the first end of the inclined straight line segment is connected with the first straight steel bar segment adjacent to the first end of the inclined straight line segment; and the second end of the inclined straight line segment is connected with the second straight line steel bar segment adjacent to the second end of the inclined straight line segment.
Preferably, the diagonal reinforcement segment includes: a first oblique arc segment and a second oblique arc segment; the first end of the first oblique arc line section is connected with the first straight steel bar section adjacent to the first oblique arc line section; the second end of the first oblique arc line segment is connected with the first end of the second oblique arc line segment; and the second end of the second oblique arc line segment is connected with the second straight line steel bar segment adjacent to the second oblique arc line segment.
Preferably, the first end of the diagonal reinforcement section is connected with the first straight reinforcement section through a first transition section; and the second end of the oblique line steel bar section is connected with the second straight line steel bar section through a second transition section.
Preferably, the first transition section and the second transition section are both arc-shaped transition sections; the first transition section is respectively tangent with the first end of the oblique line steel bar section and the first straight line steel bar section; the second transition section is tangent to the second end of the oblique line steel bar section and the second straight line steel bar section respectively.
Preferably, the first end of the diagonal steel bar section is provided with an end straight-line segment, and the end straight-line segment of the first end of the diagonal steel bar section is connected with the first linear steel bar section through a mechanical connector, welding or lap joint; the second end of the oblique line steel bar section is provided with an end straight line section, and the end straight line section of the second end of the oblique line steel bar section is connected with the second straight line steel bar section through a mechanical connecting piece, welding or lapping.
Preferably, one diagonal steel bar section is arranged between the first straight steel bar section and the second straight steel bar section.
Preferably, a plurality of diagonal reinforcement sections are arranged between the first straight reinforcement section and the second straight reinforcement section.
Preferably, the mechanical connector is a metal sleeve.
Preferably, the steel bar body is of an integral structure and is formed by processing straight steel bars.
By adopting the technical scheme, the invention has the following beneficial effects:
because the S-shaped bent reinforcing steel bars are arranged, when the floor slab is pulled along the S-shaped bent reinforcing steel bars, the floor slab at the reinforcing steel bar dislocation part is weaker than the floor slab at the reinforcing steel bar non-dislocation part, so that the deformation of the floor slab is concentrated at the reinforcing steel bar dislocation part, and the floor slab at the reinforcing steel bar non-dislocation part is prevented from generating temperature cracks.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a first form of reinforcing bar according to an embodiment of the present invention;
FIG. 2 is a schematic view of a second form of reinforcement according to an embodiment of the present invention;
fig. 3 is a schematic view of a third form of the reinforcing bar according to the embodiment of the present invention;
fig. 4 is a schematic view of a fourth form of the reinforcing bar according to the embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a deformation of a reinforcing bar according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a reinforced concrete floor structure according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a reinforced concrete floor structure according to another embodiment of the present invention;
FIG. 8 is a top view of a reinforced concrete floor structure according to an embodiment of the present invention;
FIG. 9 is a schematic view of a split section disposed within an isolation sleeve according to an embodiment of the present invention;
fig. 10 is a schematic view of a split section disposed in an isolation sleeve according to another embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example one
Referring to fig. 1 to 8, the present embodiment provides a reinforced concrete floor 100 with S-shaped bent steel bars 101, which includes: the reinforced concrete floor comprises a reinforced concrete floor 100, common floor steel bars 102, S-shaped bent floor steel bars 101 and brackets 105; the reinforced concrete floor 100 is provided with an induction seam 103; the common floor slab reinforcing steel bars 102 and the S-shaped floor slab bending reinforcing steel bars 101 are horizontally arranged in a staggered manner in the reinforced concrete floor slab 100; the reinforcing bar of floor S shape reinforcing bar 101 includes: the steel bar body is provided with at least two straight line steel bar sections 2 and at least one oblique line steel bar section 1; the first end of the oblique line steel bar section 1 is connected with the adjacent first straight line steel bar section 21; the second end of the oblique line steel bar section 1 is connected with the adjacent second straight line steel bar section 22; the first linear reinforcing steel bar section 21 and the second linear reinforcing steel bar section 22 are distributed in a staggered relationship. The reinforcing steel bar body of the embodiment is provided with at least one oblique line reinforcing steel bar section 1, so that the straight line reinforcing steel bar section 2 presents a dislocation structure, and the reinforcing steel bar according to the embodiment of the invention can also be called as a dislocation reinforcing steel bar. The diagonal reinforcement section 1 of the 'dislocation reinforcement' can be straightened when receiving a tensile force, so that the 'dislocation reinforcement' has better extension deformability than the traditional linear reinforcement under the condition of the same strength as the traditional linear reinforcement, and the 'dislocation reinforcement' with different deformability can be formed by controlling the size, the structure and the like of the 'dislocation' (namely the diagonal reinforcement section 1). The bracket 105 is used for supporting the reinforced concrete floor 100 at the bottom of the reinforced concrete floor 100; the bearing part of the bracket 105, the induction joint 103 and the oblique line steel bar section of the S-shaped bent steel bar 101 of the floor slab are correspondingly arranged. Due to the fact that the S-shaped bent reinforcing steel bars 101 are arranged, when the floor slab is pulled along the S-shaped bent reinforcing steel bars 101, the floor slab at the reinforcing steel bar dislocation position is weaker than the floor slab at the reinforcing steel bar non-dislocation position, accordingly, floor slab deformation is concentrated at the reinforcing steel bar dislocation position, and the floor slab at the reinforcing steel bar non-dislocation position is guaranteed not to generate temperature cracks.
Preferably, the number of the S-shaped bent steel bars 101 of the floor slab is two, and the oblique line steel bar sections of the two sets of S-shaped bent steel bars 101 of the floor slab are correspondingly arranged at the top and the bottom of the slab.
Preferably, the S-shaped bent steel bars 101 are correspondingly arranged in each layer of steel bars of the floor slab structure, the dislocation directions of the same layer of the S-shaped bent steel bars 101 are consistent, and the dislocation directions of the different layers of the S-shaped bent steel bars 101 are consistent, so that uniform stress is realized, construction is simplified, and optimal floor slab deformability is obtained. For example, the left straight line segment of each layer of S-shaped bent steel bar 101 is higher than the right straight line segment, i.e. the oblique segment is in the upper left-lower right direction, or the offset direction of each layer and each row of "S-shaped bent steel bars 101" in the same layer is opposite to the offset direction.
Preferably, at the S-shaped bent reinforcing bars 101, the surface of the concrete floor may be provided with grooves to form concrete structure induction seams 103. The section shape of the groove comprises but is not limited to a square shape, a rectangular shape, a triangular shape, an arc shape or other curve shapes, and the main purpose is to enable the floor area at the S-shaped bent reinforcing steel bar 101 to be slightly smaller than that at the position where the S-shaped bent reinforcing steel bar 101 is not arranged, so that the slotted position is guaranteed to be cracked before the non-slotted position in the process that the concrete floor is subjected to tensile deformation.
After the concrete floor cracks at the grooving position, the S-shaped bent reinforcing steel bars 101 are gradually straightened at the same section position without generating obvious stress increase in the reinforcing steel bars, the reinforcing steel bars are prevented from being damaged, and even when the reinforcing steel bars are nearly straightened, the bearing capacity of the reinforcing steel bars can be improved to a certain degree. Therefore, the purpose that the floor slab is deformed without reducing the bearing capacity of the floor slab is achieved, and the deformable reinforced concrete floor slab 100 structure is formed.
Preferably, the corbel 105 comprises: steel corbels or reinforced concrete corbels.
The bracket 105 can be made of reinforced concrete or steel according to the actual situation of the construction site. When the reinforced concrete bracket is adopted, the thin partition plate 106 needs to be arranged between the bracket 105 and the floor slab so as to realize free deformation between the floor slab and the bracket 105 and avoid the bracket 105 from reinforcing the induction joint 103 so as to influence the cracking development of the reinforced concrete floor slab 100 at the induction joint 103. When a steel corbel is used, the steel corbel can be fixed by the front embedded part 1051, the back embedded part 1052 and the counter-pulling screw 1053 and the anchor bolt 1054 which draw and fix the two. The top of the front embedded piece 1051 can not be provided with a stud and is not required to be embedded into the reinforced concrete floor 100, so that good free deformation capacity between the front embedded piece 1051 and the floor is realized.
In some embodiments, the fixing manner of the steel corbel is not limited to the form of the penetrating and embedding piece, and when the beam is wide to enable the anchoring length to be enough, the front side embedding piece can also be directly fixed by using an anchor bar or a chemical anchor bolt, wherein the anchor bar can be used for reducing the anchoring length of the anchor bar in the forms of bending anchors, welding short steel bars, arranging anchor plates and the like.
Preferably, the steel brackets are provided with thin partitions 106 between the reinforced concrete floors 100, and the thin steel plates 105 may be thin plastic sheets, plastic films, thin wood sheets, or thin steel plates, but are not limited thereto. The thin partition plate 106, the supporting part of the bracket 105, the induction joint 103 and the oblique line steel bar section of the floor slab S-shaped bent steel bar 101 are correspondingly arranged. The reinforced concrete floor 100 can be ensured to be weaker at the induction joint 103 relative to other parts, so that cracks are more easily formed at the induction joint, and the floor is prevented from cracking at the position without the induction joint 103; the diagonal line segments are arranged correspondingly to the three, so that the deformation of the cracked reinforced concrete floor 100 can be ensured without causing excessive stress increase of the reinforcing steel bars.
Preferably, the inducing seam 103 is sealed by a flexible filling material. Avoid falling into sundries and enhance the water seepage prevention capability of the concrete floor after cracking at the induced joint 103. The flexible filling material can be selected from silica gel, waterproof sealant, foam polystyrene board, etc., but is not limited thereto.
Example two
The second embodiment provides a specific technical scheme of the steel bar on the basis of the first embodiment, the diagonal steel bar section 1 in the present embodiment is in the form of a diagonal straight section, the technical features disclosed in the first embodiment are also applicable to the second embodiment, and the technical features disclosed in the first embodiment are not described repeatedly.
Specifically, the present embodiment provides a reinforcing bar, which includes: the steel bar body is provided with at least two straight line steel bar sections 2 and at least one oblique line steel bar section 1; the first end of the oblique line steel bar section 1 is connected with the adjacent first straight line steel bar section 21; the second end of the oblique line steel bar section 1 is connected with the adjacent second straight line steel bar section 22; the first linear reinforcing steel bar section 21 and the second linear reinforcing steel bar section 22 are distributed in a staggered relationship. The reinforcing steel bar body of the embodiment is provided with at least one oblique line reinforcing steel bar section 1, so that the straight line reinforcing steel bar section 2 presents a dislocation structure, and the reinforcing steel bar according to the embodiment of the invention can also be called as a dislocation reinforcing steel bar. The diagonal reinforcement section 1 of the 'dislocation reinforcement' can be straightened when receiving a tensile force, so that the 'dislocation reinforcement' has better extension deformability than the traditional linear reinforcement under the condition of the same strength as the traditional linear reinforcement, and the 'dislocation reinforcement' with different deformability can be formed by controlling the size, the structure and the like of the 'dislocation' (namely the diagonal reinforcement section 1).
Preferably, the diagonal reinforcement bar section 1 includes: an oblique straight line segment; the first end of the inclined straight line segment is connected with the first straight steel bar segment 21 adjacent to the first end of the inclined straight line segment; the second end of the diagonal straight section is connected to the second straight section of rebar 22 adjacent to it.
Preferably, the first end of the diagonal reinforcement section 1 is connected with the first straight reinforcement section 21 through the first transition section 11; the second end of the diagonal reinforcement section 1 is connected with the second straight reinforcement section 22 through the second transition section 12.
Preferably, the first transition section 11 and the second transition section 12 are both arc transition sections; the first transition section 11 is respectively tangent to the first end of the oblique line steel bar section 1 and the first straight line steel bar section 21; the second transition section 12 is tangent to the second end of the diagonal reinforcement section 1 and the second straight reinforcement section 22 respectively.
Therefore, smooth transition is realized between the oblique line steel bar section 1 and the first straight line steel bar section 21 and between the oblique line steel bar section 1 and the second straight line steel bar section 22, and the deformability of the steel bars can be effectively improved.
Of course, it should be noted that the sizes of the oblique straight line segment, the first transition segment 11 and the second transition segment 12 can be flexibly set according to actual needs.
For example: the number of the diagonal reinforcement segments 1 between the first linear reinforcement segment 21 and the second linear reinforcement segment 22 may be one or more. The diagonal reinforcement section 1 includes: a first diagonal line segment and a second diagonal line segment; the first end of the first oblique straight line section is connected with the first straight steel bar section 21 through the first transition section 11; the second end of the first inclined straight line section is connected with the first end of the second inclined straight line section; the second end of the second diagonal segment is connected to the second straight rebar segment 22 through a second transition segment 12. The slopes of the first oblique straight line segment and the second oblique straight line segment are different, so that the first straight steel bar segment 21 and the second straight steel bar segment 22 are distributed in a staggered relation.
Another example is: the first transition section 11 and the second transition section 12 are arc transition sections, and the tops of the arcs are concave to form two-stage transition subsections.
Another example is: diagonal rebar segment 1 can also be set to be a helical rebar segment.
It should be understood that the above-mentioned technical solution is only one of many embodiments, and the written description is not meant to limit the technology, and further modifications and improvements made on the above-mentioned embodiment two by those skilled in the art are all within the technical scope of the present application.
EXAMPLE III
The third embodiment provides a specific technical scheme of the steel bar on the basis of the first embodiment, the oblique line steel bar section 1 in the first embodiment is in the form of an oblique arc line section, the technical features disclosed in the first embodiment are also applicable to the third embodiment, and the technical features disclosed in the first embodiment are not described repeatedly.
Specifically, the present embodiment provides a reinforcing bar, which includes: the steel bar body is provided with at least two straight line steel bar sections 2 and at least one oblique line steel bar section 1; the first end of the oblique line steel bar section 1 is connected with the adjacent first straight line steel bar section 21; the second end of the oblique line steel bar section 1 is connected with the adjacent second straight line steel bar section 22; the first linear reinforcing steel bar section 21 and the second linear reinforcing steel bar section 22 are distributed in a staggered relationship. The reinforcing steel bar body of the embodiment is provided with at least one oblique line reinforcing steel bar section 1, so that the straight line reinforcing steel bar section 2 presents a dislocation structure, and the reinforcing steel bar according to the embodiment of the invention can also be called as a dislocation reinforcing steel bar. The diagonal reinforcement section 1 of the 'dislocation reinforcement' can be straightened when receiving a tensile force, so that the 'dislocation reinforcement' has better extension deformability than the traditional linear reinforcement under the condition of the same strength as the traditional linear reinforcement, and the 'dislocation reinforcement' with different deformability can be formed by controlling the size, the structure and the like of the 'dislocation' (namely the diagonal reinforcement section 1).
Preferably, the diagonal reinforcement bar section 1 includes: a first oblique arc segment and a second oblique arc segment; the first end of the first oblique arc line segment is connected with the first straight steel bar segment 21 adjacent to the first oblique arc line segment; the second end of the first oblique arc line segment is connected with the first end of the second oblique arc line segment; the second end of the second oblique arc segment is connected to the second straight rebar segment 22 adjacent thereto. The first oblique arc line segment and the second oblique arc line segment are centrosymmetric.
The oblique arc segments in this embodiment may be partial arcs, parabolic arcs, or other arc shapes.
Similarly, the technical solution described above is only one of many embodiments, and the written description is not meant to be a limitation on the technology, and further modifications and improvements made by those skilled in the art in the third embodiment are all within the technical scope protected by the present application.
Example four
The fourth embodiment provides a specific technical scheme of the steel bar on the basis of the first embodiment, the second embodiment or the third embodiment, the technical features disclosed in the first embodiment, the second embodiment or the third embodiment are also applicable to the fourth embodiment, and the technical features disclosed in the first embodiment, the second embodiment or the third embodiment are not described repeatedly.
In this embodiment, a plurality of straight line reinforcing bar sections 2 can form a plurality of slash reinforcing bar sections 1 between two liang, form the staggered arrangement of straight line reinforcing bar section 2 and slash reinforcing bar section 1. For example: the steel bar body is provided with n straight steel bar sections 2; the adjacent straight line reinforcing steel bar sections 2 are connected through at least one oblique line reinforcing steel bar section 1; the straight line steel bar sections 2 are distributed in a staggered relation. Preferably, the lengths of the diagonal reinforcement segments 1 can be kept uniform. In addition, the length of each diagonal reinforcement section 1 can be flexibly adjusted according to needs, for example: may be sequentially incremented or decremented.
EXAMPLE five
The fifth embodiment provides a specific technical scheme of the steel bar on the basis of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment, the technical features disclosed in the first embodiment, the second embodiment, the third embodiment and the fourth embodiment are also applicable to the fifth embodiment, and the technical features disclosed in the first embodiment, the second embodiment, the third embodiment and the fourth embodiment are not described repeatedly.
In this embodiment, the first end of the diagonal reinforcement section 1 is provided with an end straight-line segment 13, and the end straight-line segment 13 of the first end of the diagonal reinforcement section 1 is connected with the first linear reinforcement section 21 through a mechanical connector, welding or overlapping; the second end of the oblique line steel bar section 1 is provided with an end straight line section 13, the end straight line section 13 of the second end of the oblique line steel bar section 1 is connected with the second straight line steel bar section 22 through a mechanical connecting piece, welding or lapping, so that the oblique line steel bar section 1 and the end straight line steel bar sections at two ends of the oblique line steel bar section 1 can form a 'dislocation short steel bar', two ends of the 'dislocation short steel bar' can be respectively connected with a straight line steel bar, namely the straight line section, and the 'dislocation steel bar' according to the embodiment of the invention is formed.
Preferably, the mechanical connector is a metal sleeve. Therefore, the fixation is convenient and firm. However, the invention is not limited thereto, for example, the "dislocated short steel bars" and the straight steel bars at the two ends may be fixed by welding or other methods.
Preferably, the steel bar body is of an integral structure and is formed by processing straight steel bars. For example, the body of rebar can be formed by cold working a conventional straight rebar. Therefore, the process is simple, the forming is convenient, and the cost can be effectively reduced.
EXAMPLE six
With reference to fig. 9 and 10, a sixth embodiment provides a technical solution of the spacer 200 configured by the S-shaped bent steel bar on the basis of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment, and the technical features disclosed in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment are also applicable to the sixth embodiment, and the same technical features are not described repeatedly, and only differences are described below.
For example: the S-shaped bent steel bar is sleeved with an isolation sleeve 200 at the dislocation position so as to isolate the dislocation section from the concrete. It can be understood that the S-shaped bent reinforcing steel bars are positioned at the staggered section which is the diagonal reinforcing steel bar section.
As a preferred embodiment, the whole dislocation section is accommodated in the corresponding isolation sleeve 200, in other words, the isolation sleeve 200 completely covers the "dislocation" part, so that the isolation sleeve 200 can effectively isolate the dislocation section from concrete, and the dislocation section can be sufficiently deformed when a wall body is pulled, such as temperature change.
In some embodiments, the isolation sleeve 200 may be sleeve-shaped, for example, may be a square sleeve, may be an oval sleeve, but is not limited thereto.
In some embodiments, the insulation sleeve 200 may be a rigid or flexible material such as, but not limited to, FRP, wood, foam, polystyrene board, rubber, and the like.
In some embodiments, the insulation sleeve 200 may be an FRP (fiber reinforced polymer/plastic, FRP) insulation sleeve. The FRP isolation sleeve can be formed by compounding fibers and a matrix through a certain process, and has the excellent characteristics of light weight, high strength, corrosion resistance and the like. Optionally, the FRP spacer may further be a Carbon Fiber (CFRP) spacer, a Glass Fiber (GFRP) spacer or an Aramid Fiber (AFRP) spacer.
In some embodiments, the isolation sleeve 200 may be a rubber isolation sleeve with strong deformability and stable chemical properties. Optionally, the rubber isolation sleeve may further be a natural rubber isolation sleeve, a synthetic rubber isolation sleeve.
In some embodiments, the two ends of the isolation sleeve 200 may be sealed, on one hand, when concrete is poured, the concrete is prevented from entering the gap between the "S-shaped steel bar" dislocation section and the isolation sleeve 200, so as to facilitate the free expansion and contraction of the "S-shaped steel bar" and the release deformation of the concrete wall structure; on the other hand, the spacer 200 can be easily fixed to the S-shaped reinforcing bars. For example, the sealing structure 201 can be bound by a rope or a steel wire at the end of the soft isolation sleeve 200; such as the sealing structure 201, the end of the hard isolation cover 200 is filled with sealant, wood chips, foam, etc. However, the sealing treatment is not limited to this.
In summary, according to the reinforcement assembly of the embodiment of the invention, the isolation sleeve 200 for isolating concrete is arranged at the "dislocation" position of the S-shaped reinforcement, so that the "dislocation" position can be sufficiently stretched when being subjected to a large external force, the deformation capability is ensured, a large local stress caused by the direct contact between the "dislocation" position and the concrete can be avoided, and the local damage of the concrete is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a take induced crack structure of reinforced concrete floor of S-shaped reinforcing bar of buckling which characterized in that includes: the reinforced concrete floor slab, the common steel bars of the floor slab, the S-shaped bent steel bars of the floor slab and the brackets;
the reinforced concrete floor is provided with an induction seam;
the common reinforcing steel bars of the floor slab and the S-shaped bent reinforcing steel bars of the floor slab are horizontally staggered in the reinforced concrete floor slab; the reinforcing bar of floor S shape reinforcing bar of buckling includes: the steel bar body is provided with at least two straight line steel bar sections and at least one oblique line steel bar section; the first end of the oblique line steel bar section is connected with the first straight line steel bar section adjacent to the first end; the second end of the oblique line steel bar section is connected with the second straight line steel bar section adjacent to the second end; the first linear steel bar section and the second linear steel bar section are distributed in a staggered relation; the bracket is used for supporting the reinforced concrete floor slab at the bottom of the reinforced concrete floor slab; the bearing part of the bracket, the induction joint and the oblique line steel bar section of the S-shaped bent steel bar of the floor slab are correspondingly arranged.
2. The reinforced concrete floor slab induced joint structure of claim 1,
the bracket includes: a steel corbel or a reinforced concrete corbel;
the steel corbels are provided with thin partition plates between the reinforced concrete floors;
the thin partition plate, the supporting part of the bracket, the induction joint and the oblique line steel bar section of the S-shaped bent steel bar of the floor slab are correspondingly arranged.
3. The induced joint structure of the reinforced concrete floor slab as claimed in claim 2, wherein the number of the S-shaped bent reinforcing bars of the floor slab is two, and the diagonal reinforcing bar sections of the two sets of S-shaped bent reinforcing bars of the floor slab are correspondingly arranged at the top and bottom of the slab.
4. The reinforced concrete floor induced joint structure of claim 1, wherein the induced joint is blocked by a flexible filling material.
5. The reinforcing bar of claim 1,
and the included angle between the first straight line reinforcing steel bar section and the oblique line reinforcing steel bar section is the same as the included angle between the second straight line reinforcing steel bar section and the oblique line reinforcing steel bar section.
6. The reinforcing bar of claim 1,
the included angle between the first straight line reinforcing steel bar section and the oblique line reinforcing steel bar section is different from the included angle between the second straight line reinforcing steel bar section and the oblique line reinforcing steel bar section.
7. The reinforced concrete floor induction joint structure of any one of claims 1 to 6, wherein the diagonal reinforcing bar segments comprise: an oblique straight line segment;
the first end of the inclined straight line segment is connected with the first straight steel bar segment adjacent to the first end of the inclined straight line segment;
and the second end of the inclined straight line segment is connected with the second straight line steel bar segment adjacent to the second end of the inclined straight line segment.
8. The reinforced concrete floor induction joint structure of any one of claims 1 to 6, wherein the diagonal reinforcing bar segments comprise: a first oblique arc segment and a second oblique arc segment;
the first end of the first oblique arc line section is connected with the first straight steel bar section adjacent to the first oblique arc line section;
the second end of the first oblique arc line segment is connected with the first end of the second oblique arc line segment;
and the second end of the second oblique arc line segment is connected with the second straight line steel bar segment adjacent to the second oblique arc line segment.
9. The reinforced concrete floor slab induced joint structure of claim 1,
the first end of the oblique line steel bar section is connected with the first straight line steel bar section through a first transition section;
the second end of the oblique line steel bar section is connected with the second straight line steel bar section through a second transition section;
the first transition section and the second transition section are both arc transition sections;
the first transition section is respectively tangent with the first end of the oblique line steel bar section and the first straight line steel bar section;
the second transition section is tangent to the second end of the oblique line steel bar section and the second straight line steel bar section respectively.
10. The reinforced concrete floor slab induced joint structure of claim 1,
the first end of the oblique line steel bar section is provided with an end straight line section, and the end straight line section of the first end of the oblique line steel bar section is connected with the first straight line steel bar section through a mechanical connecting piece, welding or lap joint;
the second end of the oblique line steel bar section is provided with an end straight line section, and the end straight line section of the second end of the oblique line steel bar section is connected with the second straight line steel bar section through a mechanical connecting piece, welding or lapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694133.3A CN113431212A (en) | 2021-06-22 | 2021-06-22 | Take induced seam structure of reinforced concrete floor of S-shaped reinforcing bar of buckling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694133.3A CN113431212A (en) | 2021-06-22 | 2021-06-22 | Take induced seam structure of reinforced concrete floor of S-shaped reinforcing bar of buckling |
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| CN113431212A true CN113431212A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110694133.3A Pending CN113431212A (en) | 2021-06-22 | 2021-06-22 | Take induced seam structure of reinforced concrete floor of S-shaped reinforcing bar of buckling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818578A (en) * | 2021-09-18 | 2021-12-21 | 北京市建筑设计研究院有限公司 | Induced seam structure with prefabricated connecting piece |
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2021
- 2021-06-22 CN CN202110694133.3A patent/CN113431212A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818578A (en) * | 2021-09-18 | 2021-12-21 | 北京市建筑设计研究院有限公司 | Induced seam structure with prefabricated connecting piece |
| CN113818578B (en) * | 2021-09-18 | 2023-04-18 | 北京市建筑设计研究院有限公司 | Induced seam structure with prefabricated connecting piece |
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