CN110725473B - Be applied to configuration strengthening rib roof beam component of building - Google Patents
Be applied to configuration strengthening rib roof beam component of building Download PDFInfo
- Publication number
- CN110725473B CN110725473B CN201911105876.1A CN201911105876A CN110725473B CN 110725473 B CN110725473 B CN 110725473B CN 201911105876 A CN201911105876 A CN 201911105876A CN 110725473 B CN110725473 B CN 110725473B
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- Prior art keywords
- beam member
- strength
- reinforcing
- ratio
- value
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- 238000005728 strengthening Methods 0.000 title description 2
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 239000004567 concrete Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 23
- 239000010959 steel Substances 0.000 abstract description 23
- 239000002699 waste material Substances 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The application discloses a beam member for reinforcing ribs for building, which comprises a beam body and reinforcing ribs arranged in the beam body, and is characterized in that the ratio of the cross section area of the reinforcing ribs to the effective cross section area of the beam body is defined as the value of the reinforcing rib ratio beta, which is calculated according to a formula I: Wherein a is a coefficient, b is an aspect ratio of the beam member, M is a strength design value of the beam member, h0 is an effective height of the beam member, and fy is a tensile strength design value of the reinforcing rib. The invention provides a reasonable reinforcement ratio value range of the beam member for configuring the high-strength steel bar, solves the problem of application to the high-strength steel bar in the prior art, avoids waste caused by excessive reinforcing bars, saves steel, fully plays the excellent performance of the high-strength steel bar, and can ensure enough bearing capacity of the beam member.
Description
Technical Field
The application relates to the field of buildings, in particular to a reinforcing rib beam member for construction.
Background
A support is a common material used in construction, i.e. a building material, typically made of steel and concrete materials, and there are beams, plates, columns, etc. Taking a beam member as an example, because of weak tensile capacity of a concrete material, in order to enhance the bearing capacity of the beam member, a reasonable number of steel bars are generally arranged in a tension zone of the beam member, so that the compressive strength of the concrete in a compression zone of the beam member and the good tensile strength of the steel bars in the tension zone are fully exerted. The appearance of the high-strength steel bars at 600MPa level and above can greatly save the consumption of the steel bars in the reinforced concrete structure, save consumables and reduce cost, but the unreasonable selection of the quantity of the high-strength steel bars and concrete materials is easy to cause material waste.
Disclosure of Invention
The application mainly aims to provide a reinforcing rib beam component for construction, which is used for solving the problem of unreasonable material proportion selection.
In order to achieve the above object, according to one aspect of the present application, there is provided a configuration reinforcing bar beam member applied to a building.
The configuration reinforcing bar beam member applied to a building according to the present application includes: the reinforcing rib comprises a beam body and reinforcing ribs arranged in the beam body, and is characterized in that the ratio of the cross section area of the reinforcing ribs to the effective cross section area of the beam body is defined as the value of a reinforcing rib ratio beta, which is calculated according to a formula I:
wherein a is a coefficient, b is an aspect ratio of the beam member, M is a strength design value of the beam member, h0 is an effective height of the beam member, and fy is a tensile strength design value of the reinforcing rib.
Further, the beam body is made of a concrete material.
Further, the reinforcing ribs are high-strength reinforcing steel bars with strength of 601MPa to 730 MPa.
Further, the reinforcement ratio β ranges from 0.2% to 1.741%.
Further, the reinforcing ribs are disposed in the tension zone of the beam body.
Further, the value range of the height-width ratio b of the beam member is 2 to 3.5.
Further, the value range of the coefficient a is 1.062 to 1.292.
Further, the value of the coefficient a is calculated according to a formula II:
Wherein b is the height-to-width ratio of the beam member, M is the strength design value of the beam member, h0 is the effective height of the beam member, and fc is the compressive strength design value of the beam body.
The invention provides a reasonable reinforcement ratio value range of the beam member for configuring the high-strength steel bar, solves the problem of application to the high-strength steel bar in the prior art, avoids waste caused by excessive reinforcing bars, saves steel, fully plays the excellent performance of the high-strength steel bar, and can ensure enough bearing capacity of the beam member.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:
FIG. 1 is a schematic view of a beam member structure according to one embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, a beam member for configuring high-strength steel bars applied to a building comprises a beam body 1 and reinforcing bars 2. The beam body is made of concrete materials; high-strength steel bars with the reinforcing ribs of 601MPa to 730 MPa; the reinforcing ribs are arranged in the tension zone of the beam body; the strength design value of the beam member is M; the effective height of the beam member is h 0; the design value of the tensile strength of the high-strength steel bars of the beam members is f y; the ratio of the cross-sectional area of the high-strength steel bars configured by the beam member to the effective cross-sectional area value of the beam body is defined as a reinforcement ratio beta, and the reinforcement ratio beta ranges from 0.2% to 1.741%. The beam member reinforcement ratio beta, the strength design value M, the effective height h0 of the beam member and the tensile strength design value f y of the high-strength steel bar meet the following relation:
The value range of the coefficient a is 1.062 to 1.292, and the value of the coefficient a is related to the compressive strength design value f c of the concrete selected by the beam body, the effective height h 0 of the beam member, the height-width ratio b of the beam member and the design strength M of the beam member, so that the following relation is satisfied:
the coefficient b represents the height-width ratio of the beam member and has a value ranging from 2 to 3.5.
Examples
As a specific embodiment, a beam member for a construction provided with high-strength reinforcing bars is provided. The beam body is made of concrete materials with the strength grade of C50; the reinforcing ribs are high-strength steel bars with the pressure of 601-730MPa, and 630MPa is selected as an example; the reinforcing ribs are arranged in the tension zone of the beam body; the range of the reinforcement ratio beta of the reinforcing ribs is 0.2-1.741 percent.
As a specific embodiment, a high-strength steel bar of 630MPa is selected as an example. The strength design value of the beam member is M250 kN.m; the cross-sectional dimension of the beam member is 250mm multiplied by 500mm, and the effective height of the beam member is h 0 mm and is 460mm; the design value of the tensile strength of the high-strength steel bars of the beam member is f y which is equal to 545MPa; the beam member reinforcement ratio beta and the strength design value M, the effective height h 0 of the beam member and the tensile strength design value f y of the high-strength steel bar are given by the calculation relational expression:
Substituting the reinforcing steel bar to obtain the reinforcing steel bar with the size of 1.094%, wherein the reinforcing steel bar range of the beam member for configuring the high-strength reinforcing steel bar provided by the invention is 0.2% -1.741%.
The value range of the coefficient a is 1.062-1.292, and the coefficient a is substituted according to the selected compressive strength design value f c of the concrete, the effective height h 0 of the beam members, the height-width ratio b of the two members and the design strength M of the beam members, and the coefficient a has the value relation:
obtaining a coefficient a, wherein the coefficient a is 1.161; the coefficient b represents the aspect ratio of the beam member and takes a value of 2.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The reinforcing rib beam member comprises a beam body and reinforcing ribs arranged in the beam body, and is characterized in that the ratio of the cross section area of the reinforcing ribs to the effective cross section area of the beam body is defined as the value of a reinforcing rib ratio beta, which is calculated according to a formula I:
Wherein a is a coefficient, b is the height-width ratio of the beam member, M is the strength design value of the beam member, h 0 is the effective height of the beam member, and f y is the tensile strength design value of the reinforcing rib;
The value of the coefficient a is calculated according to a formula II:
Wherein b is the height-to-width ratio of the beam member, M is the strength design value of the beam member, h 0 is the effective height of the beam member, and f c is the compressive strength design value of the beam body;
the reinforcement ratio beta ranges from 0.2% to 1.741%.
2. The structural reinforcement beam member for use in construction according to claim 1, wherein the beam body is made of a concrete material.
3. The structural reinforcement beam member for construction according to claim 1, wherein the reinforcing bars are high-strength bars having a strength of 601MPa to 730 MPa.
4. The structural reinforcement beam member for use in construction according to claim 1, wherein the reinforcing bars are disposed in a tension zone of the beam body.
5. The structural reinforcement beam member for use in construction according to claim 1, wherein the beam member has an aspect ratio b ranging from 2 to 3.5.
6. The structural reinforcement beam member for construction according to claim 1, wherein the coefficient α has a value in the range of 1.062 to 1.292.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105876.1A CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105876.1A CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
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| Publication Number | Publication Date |
|---|---|
| CN110725473A CN110725473A (en) | 2020-01-24 |
| CN110725473B true CN110725473B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911105876.1A Active CN110725473B (en) | 2019-11-13 | 2019-11-13 | Be applied to configuration strengthening rib roof beam component of building |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116335342B (en) * | 2022-12-21 | 2024-04-30 | 安徽吾兴新材料有限公司 | Configuration strengthening rib post component based on high-strength longitudinal rib |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105157A (en) * | 1994-10-04 | 1996-04-23 | Toshiro Suzuki | Reinforced concrete member and reinforcing rod for concrete |
| WO2007137365A1 (en) * | 2006-05-31 | 2007-12-06 | The University Of Wollongong | Reinforced structural concrete members and methods concerning same |
| CN102359229A (en) * | 2011-08-05 | 2012-02-22 | 重庆大学 | Suitable method for determining ideal ratio of reinforcement of reinforced concrete beam under usage of bending moment |
| JP2012057311A (en) * | 2010-09-06 | 2012-03-22 | Tokyu Construction Co Ltd | Design method of reinforced concrete beam and reinforced concrete beam |
| CN108018993A (en) * | 2018-01-11 | 2018-05-11 | 姚圣法 | Supporting item applied to building |
| CN211369256U (en) * | 2019-11-13 | 2020-08-28 | 江苏森林建筑新材料股份有限公司 | Be applied to configuration strengthening rib roof beam component of building |
-
2019
- 2019-11-13 CN CN201911105876.1A patent/CN110725473B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105157A (en) * | 1994-10-04 | 1996-04-23 | Toshiro Suzuki | Reinforced concrete member and reinforcing rod for concrete |
| WO2007137365A1 (en) * | 2006-05-31 | 2007-12-06 | The University Of Wollongong | Reinforced structural concrete members and methods concerning same |
| JP2012057311A (en) * | 2010-09-06 | 2012-03-22 | Tokyu Construction Co Ltd | Design method of reinforced concrete beam and reinforced concrete beam |
| CN102359229A (en) * | 2011-08-05 | 2012-02-22 | 重庆大学 | Suitable method for determining ideal ratio of reinforcement of reinforced concrete beam under usage of bending moment |
| CN108018993A (en) * | 2018-01-11 | 2018-05-11 | 姚圣法 | Supporting item applied to building |
| CN211369256U (en) * | 2019-11-13 | 2020-08-28 | 江苏森林建筑新材料股份有限公司 | Be applied to configuration strengthening rib roof beam component of building |
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| CN110725473A (en) | 2020-01-24 |
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