CN113779717A - Three-dimensional structure embedded part model selection method - Google Patents

Three-dimensional structure embedded part model selection method Download PDF

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CN113779717A
CN113779717A CN202111004834.6A CN202111004834A CN113779717A CN 113779717 A CN113779717 A CN 113779717A CN 202111004834 A CN202111004834 A CN 202111004834A CN 113779717 A CN113779717 A CN 113779717A
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embedded part
anchor
plate
reinforcement area
shear
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邹江
汪俊虎
陈默然
卢凤华
蒋迪
刘甜
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PowerChina Guizhou Electric Power Engineering Co Ltd
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Abstract

The invention discloses a three-dimensional structure embedded part model selection method, which comprises the following steps: s01, selecting a corresponding atlas table according to the embedded part position and the stress type; s02, calculating the minimum reinforcement area of the embedded part according to the stress type and the stress size of the embedded part; s03, comparing the minimum reinforcement area with the reinforcement area in the atlas table, and selecting the embedded part model with the reinforcement area larger than the minimum reinforcement area in the atlas table to obtain a candidate embedded part model set; and S04, comparing the embedded part model with the smallest reinforcement area in all the candidate embedded part model sets. The problem that the size of the selected embedded part in the prior art is often larger than the size required actually is solved.

Description

Three-dimensional structure embedded part model selection method
Technical Field
The invention relates to a three-dimensional structure embedded part model selection method, and belongs to the technical field of embedded part model selection.
Background
The method comprises the steps of firstly calculating the maximum values of tension, compression and bending moment of the embedded part according to the reinforcement area, and then searching a proper embedded part model in an embedded part selection table according to the maximum values of the tension, compression and bending moment of the embedded part. The existing embedded part model selection method has the following problems: the size of the selected embedded part is often larger than the size actually needed, because the maximum values of tension, compression and bending moment of the embedded part calculated through the reinforcement area are the maximum values, and when the maximum values of the tension, compression and bending moment of the embedded part are used for searching the embedded part model with the stress larger than the calculated maximum value in the embedded part selection table, the maximum values of the tension, compression and bending moment of the selected embedded part are large.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a three-dimensional structure embedded part model selection method to overcome the defects of the prior art.
The technical scheme of the invention is as follows: a method for selecting a three-dimensional structure embedded part, comprising the following steps:
s01, selecting a corresponding atlas table according to the embedded part position and the stress type;
s02, calculating the minimum reinforcement area of the embedded part according to the stress type and the stress size of the embedded part;
s03, comparing the minimum reinforcement area with the reinforcement area in the atlas table, and selecting the embedded part model with the reinforcement area larger than the minimum reinforcement area in the atlas table to obtain a candidate embedded part model set;
and S04, comparing the embedded part model with the smallest reinforcement area in all the candidate embedded part model sets.
Further, step S02 is specifically: and selecting a preliminary candidate embedded part model set in the atlas table according to the length and the width of the anchor plate, and calculating the minimum reinforcement area of the embedded part in the candidate embedded part model set according to the stress type and the stress magnitude.
Further, in the step S01,
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the position of the embedded part is the beam bottom and the stress type is that the axis is pulled, selecting a graph set table of the square anchor plate embedded part pulled at the beam bottom;
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the embedded part is positioned at the top of the plate and the stress type is axial compression, selecting a graph set table of the compressed rectangular anchor plate embedded part in the plate;
and if the embedded part is positioned at other positions and the stress type is axial tension, shear, compression shear or bending shear, selecting a rectangular anchor plate embedded part atlas table.
Further, the air conditioner is provided with a fan,
the chart set table of the rectangular anchor plate embedded part with the tensioned plate bottom is as follows:
Figure BDA0003236902180000021
the graph set table of the square anchor plate embedded part pulled at the beam bottom is as follows:
Figure BDA0003236902180000022
Figure BDA0003236902180000031
the chart set table of the pressed rectangular anchor plate embedded part in the plate is as follows:
Figure BDA0003236902180000032
Figure BDA0003236902180000041
the rectangular anchor plate embedded part atlas table is as follows:
Figure BDA0003236902180000042
Figure BDA0003236902180000051
Figure BDA0003236902180000061
Figure BDA0003236902180000071
Figure BDA0003236902180000081
Figure BDA0003236902180000091
Figure BDA0003236902180000101
Figure BDA0003236902180000111
further, the calculation method of the minimum reinforcement area is as follows:
when the type of force is in tension:
As＝Fz/(0.8*αa*αb*fy)；
when the type of force is shear:
As1＝Fx/(αr*αv*fy)；
As2＝Fy/(αr*αv*fy)；
As＝As1+As2；
when the stress type is compression shear:
As1＝(Fx-0.3Fz)/(αr*αv*fy)；
As2＝(Fy-0.3Fz)/(αr*αv*fy)；
As＝As1+As2；
when the stress type is pulling and shearing:
As1＝Fx/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As2＝Fy/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As＝As1+As2；
when the stress type is bending shear:
Asa＝As1+As3；
Asb＝As2+As4；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
Asa＝As1+As3+Asc；
Asb＝As2+As4+Asc；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
Asc＝Fz/(0.8*αa*αb*fy)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
As1＝(Fy-0.3Fz)/(αr*αv*fy)+(Mx-0.4Fz*yz)/(1.3*αr*αb*fy*yz)；
As2＝(Mx-0.4Fz*yz)/(0.4*αr*αb*fy*yz)；
As3＝(Fx-0.3Fz)/(αr*αv*fy)+(My-0.4Fz*xz)/(1.3*αr*αb*fy*xz)；
As4＝(My-0.4Fz*xz)/(0.4*αr*αb*fy*xz)；
Asa＝As1+As3；
Asb＝As2+As4；
As＝Max(Asa,Asb)；
wherein, Fx represents X-axis load, Fy represents Y-axis load, Fz represents Z-axis load, Mx represents X-axis moment arm, My represents Y-axis moment arm, alpharCoefficient of influence, f, representing the number of layers of anchor barsyIndicates the design value of tensile strength, alpha, of the anchor barvRepresenting the shear coefficient of the anchor bar, alphabRepresenting the bending deformation reduction factor, x, of the anchor platezDenotes the distance, y, between the centerlines of the two outermost anchor bars in the x-axis direction of the shear force acting directionzDenotes the distance, alpha, between the centerlines of the two outermost anchor bars in the y-axis direction of the shear force acting directionaRepresenting the reduction coefficient of the strength of the bar, As1、As2、As3、As4、Asa、AsbAnd AscIs the calculated median value of the minimum reinforcement area, AsRepresenting the minimum reinforcement area.
Further, when the anchor bars are arranged at equal intervals, the anchor bars are two layers of alpharThe value is 1.0, and the anchor bars are three layers of alpharThe value is 0.9; the anchor bars are four layers of alpharThe value is 0.85.
Further, fy is 270 when the anchor grade is HPB300, and fy is 300 otherwise.
Further, if bending deformation of the anchor plate is adopted, α isb＝0.6+0.25*t/d；
If b issWhen t is greater than 8, alphab＝(0.6+0.25*t/d)/(1+0.55*bsT-0.44), wherein d represents the anchor bar diameter, t represents the anchor plate thickness, bsIndicating the reduced width of the bending deformation of the anchor plate.
The invention has the beneficial effects that:
1) compared with the prior art, the minimum reinforcement area is calculated according to the stress type and the stress size of the embedded part, the embedded part with the reinforcement area larger than the minimum reinforcement area is screened out according to the minimum reinforcement area, and the embedded part model with the minimum reinforcement area is finally selected out;
2) according to the method, the preliminary candidate embedded part model set in the atlas table is selected according to the length and the width of the anchor plate, and embedded parts can be screened in advance, so that the screening efficiency is improved, and the calculated amount is reduced;
3) according to the method, different atlas tables are made according to the position and the stress type of the embedded part, so that the type selection of the embedded part is more efficient;
4) the invention can screen out the anchor plate meeting the requirement through setting the reinforcement area, the detailed diagram size, the anchor bar and the anchor plate in the diagram table in advance, and can also obtain the parameters of the arrangement, the spacing, the diameter, the length and the like of the anchor bar, so that the embedded part can be more quickly selected.
Drawings
FIG. 1 is a schematic view of an exemplary arrangement of anchor bars;
FIG. 2 is a flow chart of an embodiment of the present invention.
Detailed Description
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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
According to the embodiment of the application, the problem that the size of the embedded part selected in the prior art is often larger than the actually required size is solved through a three-dimensional structure embedded part type selection method, the embedded part type meeting the requirements is screened in the atlas table through the minimum reinforcement area, the embedded part type with the minimum reinforcement area is further screened in the embedded part type meeting the requirements, and therefore the optimal embedded part type is obtained.
In order to solve the problem that the size of the selected embedded part is often larger than the actually required size, the technical scheme in the embodiment of the application has the following general idea:
the minimum reinforcement area is calculated according to the stress type and the stress size of the embedded part, the embedded part with the reinforcement area larger than the minimum reinforcement area is screened out according to the minimum reinforcement area, and the embedded part model with the minimum reinforcement area is finally selected.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.
Example 1 was carried out: referring to fig. 1 to 2, a three-dimensional structure embedded part model selection method includes the following steps:
s01, selecting a corresponding atlas table according to the embedded part position and the stress type;
s02, calculating the minimum reinforcement area of the embedded part according to the stress type and the stress size of the embedded part;
s03, comparing the minimum reinforcement area with the reinforcement area in the atlas table, and selecting the embedded part model with the reinforcement area larger than the minimum reinforcement area in the atlas table to obtain a candidate embedded part model set;
and S04, comparing the embedded part model with the smallest reinforcement area in all the candidate embedded part model sets.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the calculated minimum reinforcement area just meets the actual stress requirement of the embedded part, the problem that the size of the embedded part selected in the prior art is often larger than the actually required size when the embedded part is selected is solved, and the embedded part selected in the embedded part type selection process is more accurate.
Further, step S02 is specifically: and selecting a preliminary candidate embedded part model set in the atlas table according to the length and the width of the anchor plate, and calculating the minimum reinforcement area of the embedded part in the candidate embedded part model set according to the stress type and the stress magnitude.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the embedded parts can be screened in advance, so that the screening efficiency is improved, and the calculated amount is reduced.
Further, in the step S01,
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the position of the embedded part is the beam bottom and the stress type is that the axis is pulled, selecting a graph set table of the square anchor plate embedded part pulled at the beam bottom;
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the embedded part is positioned at the top of the plate and the stress type is axial compression, selecting a graph set table of the compressed rectangular anchor plate embedded part in the plate;
and if the embedded part is positioned at other positions and the stress type is axial tension, shear, compression shear or bending shear, selecting a rectangular anchor plate embedded part atlas table.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
different atlas tables are made according to the positions and the stress types of the embedded parts, so that the type selection of the embedded parts is more efficient.
Further, the air conditioner is provided with a fan,
the chart set table of the rectangular anchor plate embedded part with the tensioned plate bottom is as follows:
Figure BDA0003236902180000161
the graph set table of the square anchor plate embedded part pulled at the beam bottom is as follows:
Figure BDA0003236902180000162
Figure BDA0003236902180000171
the chart set table of the pressed rectangular anchor plate embedded part in the plate is as follows:
Figure BDA0003236902180000172
Figure BDA0003236902180000181
the rectangular anchor plate embedded part atlas table is as follows:
Figure BDA0003236902180000182
Figure BDA0003236902180000191
Figure BDA0003236902180000201
Figure BDA0003236902180000211
Figure BDA0003236902180000221
Figure BDA0003236902180000231
Figure BDA0003236902180000241
Figure BDA0003236902180000251
the technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the reinforcement area, the detailed diagram size, the anchor bars and the anchor plates are preset in the diagram table, the anchor plates meeting the requirements can be screened out through the reinforcement area and the anchor plate length and width, and parameters such as arrangement, spacing, diameter and length of the anchor bars can be obtained, so that the embedded part is more quickly selected.
Further, the calculation method of the minimum reinforcement area is as follows:
when the type of force is in tension:
As＝Fz/(0.8*αa*αb*fy)；
when the type of force is shear:
As1＝Fx/(αr*αv*fy)；
As2＝Fy/(αr*αv*fy)；
As＝As1+As2；
when the stress type is compression shear:
As1＝(Fx-0.3Fz)/(αr*αv*fy)；
As2＝(Fy-0.3Fz)/(αr*αv*fy)；
As＝As1+As2；
when the stress type is pulling and shearing:
As1＝Fx/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As2＝Fy/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As＝As1+As2；
when the stress type is bending shear:
Asa＝As1+As3；
Asb＝As2+As4；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
Asa＝As1+As3+Asc；
Asb＝As2+As4+Asc；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
Asc＝Fz/(0.8*αa*αb*fy)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
As1＝(Fy-0.3Fz)/(αr*αv*fy)+(Mx-0.4Fz*yz)/(1.3*αr*αb*fy*yz)；
As2＝(Mx-0.4Fz*yz)/(0.4*αr*αb*fy*yz)；
As3＝(Fx-0.3Fz)/(αr*αv*fy)+(My-0.4Fz*xz)/(1.3*αr*αb*fy*xz)；
As4＝(My-0.4Fz*xz)/(0.4*αr*αb*fy*xz)；
Asa＝As1+As3；
Asb＝As2+As4；
As＝Max(Asa,Asb)；
wherein, Fx represents X-axis load, Fy represents Y-axis load, Fz represents Z-axis load, Mx represents X-axis moment arm, My represents Y-axis moment arm, alpharCoefficient of influence, f, representing the number of layers of anchor barsyIndicates the design value of tensile strength, alpha, of the anchor barvRepresenting the shear coefficient of the anchor bar, alphabRepresenting the bending deformation reduction factor, x, of the anchor platezDenotes the distance, y, between the centerlines of the two outermost anchor bars in the x-axis direction of the shear force acting directionzDenotes the distance, alpha, between the centerlines of the two outermost anchor bars in the y-axis direction of the shear force acting directionaRepresenting the reduction coefficient of the strength of the bar, As1、As2、As3、As4、Asa、AsbAnd AscIs the calculated median value of the minimum reinforcement area, AsRepresenting the minimum reinforcement area.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the minimum reinforcement area can be calculated according to the stress type and the stress size.
Further, when the anchor bars are arranged at equal intervals, the anchor bars are two layers of alpharThe value is 1.0, and the anchor bars are three layers of alpharThe value is 0.9; the anchor bars are four layers of alpharThe value is 0.85.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the influence coefficient of the number of anchor bar layers can be obtained according to the number of anchor machine layers, so that the influence of the number of anchor bar layers on the stress of the embedded part is considered in the type selection of the embedded part.
Further, fy is 270 when the anchor grade is HPB300, and fy is 300 otherwise.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the design value of the tensile strength of the anchor bar can be obtained according to the grade of the anchor bar, so that the stress influence of the grade of the anchor bar on the embedded part is considered in the selection of the embedded part.
Further, if bending deformation of the anchor plate is adopted, α isb＝0.6+0.25*t/d；
If b issWhen t is greater than 8, alphab＝(0.6+0.25*t/d)/(1+0.55*bsT-0.44), wherein d represents the anchor bar diameter, t represents the anchor plate thickness, bsIndicating the reduced width of the bending deformation of the anchor plate.
The technical scheme in the embodiment of the application at least has the following technical effects and advantages:
the bending deformation reduction coefficient of the anchor plate can be obtained according to the bending deformation of the anchor plate, so that the stress influence of the bending of the anchor plate on the embedded part is considered in the selection of the embedded part.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (8)

1. A three-dimensional structure embedded part model selection method is characterized by comprising the following steps:
s01, selecting a corresponding atlas table according to the embedded part position and the stress type;
s02, calculating the minimum reinforcement area of the embedded part according to the stress type and the stress size of the embedded part;
s03, comparing the minimum reinforcement area with the reinforcement area in the atlas table, and selecting the embedded part model with the reinforcement area larger than the minimum reinforcement area in the atlas table to obtain a candidate embedded part model set;
and S04, comparing the embedded part model with the smallest reinforcement area in all the candidate embedded part model sets.
2. The method for model selection of a three-dimensional structure embedded part according to claim 1, wherein the step S02 is specifically as follows: and selecting a preliminary candidate embedded part model set in the atlas table according to the length and the width of the anchor plate, and calculating the minimum reinforcement area of the embedded part in the candidate embedded part model set according to the stress type and the stress magnitude.
3. The method for model selection of a three-dimensional structure embedded part according to claim 1, characterized in that in the step S01,
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the position of the embedded part is the beam bottom and the stress type is that the axis is pulled, selecting a graph set table of the square anchor plate embedded part pulled at the beam bottom;
if the embedded part is positioned at the bottom of the plate and the stress type is that the axis is pulled, selecting a drawing set table of the rectangular anchor plate embedded part with the pulled bottom of the plate;
if the embedded part is positioned at the top of the plate and the stress type is axial compression, selecting a graph set table of the compressed rectangular anchor plate embedded part in the plate;
and if the embedded part is positioned at other positions and the stress type is axial tension, shear, compression shear or bending shear, selecting a rectangular anchor plate embedded part atlas table.
4. A method for model selection of a three-dimensional structured insert according to claim 3,
the chart set table of the rectangular anchor plate embedded part with the tensioned plate bottom is as follows:
Figure FDA0003236902170000011
Figure FDA0003236902170000021
the graph set table of the square anchor plate embedded part pulled at the beam bottom is as follows:
Figure FDA0003236902170000022
the chart set table of the pressed rectangular anchor plate embedded part in the plate is as follows:
Figure FDA0003236902170000031
the rectangular anchor plate embedded part atlas table is as follows:
Figure FDA0003236902170000041
Figure FDA0003236902170000051
Figure FDA0003236902170000061
Figure FDA0003236902170000071
Figure FDA0003236902170000081
Figure FDA0003236902170000091
Figure FDA0003236902170000101
Figure FDA0003236902170000111
5. the three-dimensional structure embedded part model selection method according to claim 1 or 2, characterized in that the minimum reinforcement area is calculated by the following method:
when the type of force is in tension:
As＝Fz/(0.8*αa*αb*fy)；
when the type of force is shear:
As1＝Fx/(αr*αv*fy)；
As2＝Fy/(αr*αv*fy)；
As＝As1+As2；
when the stress type is compression shear:
As1＝(Fx-0.3Fz)/(αr*αv*fy)；
As2＝(Fy-0.3Fz)/(αr*αv*fy)；
As＝As1+As2；
when the stress type is pulling and shearing:
As1＝Fx/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As2＝Fy/(αr*αv*fy)+Fz/(0.8*αa*αb*fy)；
As＝As1+As2；
when the stress type is bending shear:
Asa＝As1+As3；
Asb＝As2+As4；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
Asa＝As1+As3+Asc；
Asb＝As2+As4+Asc；
As1＝Fy/(αr*αv*fy)+Mx/(1.3*αa*αr*αb*fy*yz)；
As2＝Mx/(0.4*αa*αr*αb*fy*yz)；
As3＝Fx/(αr*αv*fy)+My/(1.3*αa*αr*αb*fy*xz)；
As4＝My/(0.4*αa*αr*αb*fy*xz)；
Asc＝Fz/(0.8*αa*αb*fy)；
As＝Max(Asa,Asb)；
when the stress type is bending shear:
As1＝(Fy-0.3Fz)/(αr*αv*fy)+(Mx-0.4Fz*yz)/(1.3*αr*αb*fy*yz)；
As2＝(Mx-0.4Fz*yz)/(0.4*αr*αb*fy*yz)；
As3＝(Fx-0.3Fz)/(αr*αv*fy)+(My-0.4Fz*xz)/(1.3*αr*αb*fy*xz)；
As4＝(My-0.4Fz*xz)/(0.4*αr*αb*fy*xz)；
Asa＝As1+As3；
Asb＝As2+As4；
As＝Max(Asa,Asb)；
wherein, Fx represents X-axis load, Fy represents Y-axis load, Fz represents Z-axis load, Mx represents X-axis moment arm, My represents Y-axis moment arm, alpharCoefficient of influence, f, representing the number of layers of anchor barsyIndicates the design value of tensile strength, alpha, of the anchor barvRepresenting the shear coefficient of the anchor bar, alphabRepresenting the bending deformation reduction factor, x, of the anchor platezDenotes the distance, y, between the centerlines of the two outermost anchor bars in the x-axis direction of the shear force acting directionzDenotes the distance, alpha, between the centerlines of the two outermost anchor bars in the y-axis direction of the shear force acting directionaRepresenting the reduction coefficient of the strength of the bar, As1、As2、As3、As4、Asa、AsbAnd AscIs the calculated median value of the minimum reinforcement area, AsRepresenting the minimum reinforcement area.
6. A method according to claim 5, characterized in that the anchor bars are two layers α when they are arranged at equal intervalsrThe value is 1.0, and the anchor bars are three layers of alpharThe value is 0.9; the anchor bars are four layers of alpharThe value is 0.85.
7. The method for model selection of a three-dimensional structure embedded part according to claim 5, wherein fy is 270 when the anchor bar grade is HPB300, and fy is 300 otherwise.
8. The method for model selection of a three-dimensional structured insert according to claim 5,
if bending deformation of anchor plate is adopted, then alphab＝0.6+0.25*t/d；
If b issWhen t is greater than 8, alphab＝(0.6+0.25*t/d)/(1+0.55*bsT-0.44), wherein d represents the anchor bar diameter, t represents the anchor plate thickness, bsIndicating the reduced width of the bending deformation of the anchor plate.
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