CN115203801B - Plate reinforcement dynamic association method and device based on intersection line identification - Google Patents
Plate reinforcement dynamic association method and device based on intersection line identification Download PDFInfo
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- CN115203801B CN115203801B CN202210830402.9A CN202210830402A CN115203801B CN 115203801 B CN115203801 B CN 115203801B CN 202210830402 A CN202210830402 A CN 202210830402A CN 115203801 B CN115203801 B CN 115203801B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention relates to the technical field of intelligent drawing of construction drawings of constructional engineering structures, in particular to a plate reinforcement dynamic association method and device based on intersection line identification, wherein the method specifically comprises the following steps: s1, extracting floor side lines and on-board reinforcing steel bar lines from CAD graphs; s2, judging whether the slab edge line is related to the slab represented by the slab edge line or not by judging the number of intersection points between the slab edge line and the distance of the slab edge line extending into the slab edge line. The method of the invention is used for matching the floor slab and the reinforcing steel bar, which not only accurately reflects the relevance between the reinforcing steel bar and the floor slab, but also contains a certain error of a designer in the drawing process, thereby being convenient for efficient checking, greatly improving the processing efficiency of a computer and making man-machine interaction more friendly.
Description
Technical Field
The invention relates to the technical field of intelligent drawing of construction drawings of constructional engineering structures, in particular to a plate reinforcing steel bar dynamic association method and device based on intersection line identification.
Background
In the reinforcement design of the constructional engineering structural slab, after a designer finishes the drawing of the floor slab reinforcement, a computer intelligent program is needed for assisting in modification and checking, the accurate running of the program depends on the accurate association of the slab reinforcement and the floor slab to which the reinforcement belongs, and if the association is inaccurate, the engineering hidden danger can be caused by the error of the computer modification and checking.
Meanwhile, improper operation of the designer in software often causes slight deviation of the plate reinforcing bars, and the part of the reinforcing bars can be omitted through excessively accurate matching in data, or the designer can increase a large amount of monotonously repeated workload to maintain the accurate positions of the plate reinforcing bars.
Moreover, the positioning error of the plate steel bars, which occurs in the design process of the designer, is automatically corrected through a program, the accurate association of the plate steel bars and the floor slab to which the steel bars belong depends on the accurate positioning of the plate steel bars, and the plate steel bars and the floor slab to which the steel bars belong are in circulation, so that the two are in contradiction.
The existing method mostly adopts the floor slab to be matched with the beam wall support, and then the beam wall support is matched with the floor slab to determine the association between the plate steel bars and the steel bars, so that the steps are complicated, and the efficiency is low.
Disclosure of Invention
The invention aims at: aiming at the problems that the steps for establishing the association between the floor slab and the floor slab steel bar through the beam wall support are complicated and the efficient checking and calculation are difficult, the method and the device for dynamically associating the floor slab steel bar based on intersection line identification are provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a plate reinforcement dynamic association method based on intersection line identification specifically comprises the following steps:
s1, extracting floor side lines and on-board reinforcing steel bar lines from CAD graphs;
s2, judging whether the slab edge line is related to the slab represented by the slab edge line or not by judging the number of intersection points between the slab edge line and the distance of the slab edge line extending into the slab edge line.
In a preferred embodiment of the present invention, in step S2, if the number of intersections between the slab edge and the slab reinforcing steel bar line is greater than or equal to 2, the slab reinforcing steel bar line is associated with the slab represented by the slab edge.
As a preferred aspect of the present invention, if the on-board reinforcing bar line penetrates through a plurality of floor edges, the on-board reinforcing bar line is associated with a floor represented by the plurality of floor edges.
As a preferred embodiment of the present invention, the on-board reinforcement wire includes a bottom-board reinforcement wire and a top-board reinforcement wire.
In step S2, if the number of intersections between the slab edge and the slab top reinforcement line is 1 and the distance that the slab top reinforcement line extends into the slab edge is not 0, the slab top reinforcement line is associated with the slab represented by the slab edge.
In step S2, if the number of intersections between the slab edge and the slab top reinforcement line is 1 and the distance that the slab top reinforcement line extends into the slab edge is 0, the slab top reinforcement line is not associated with the slab represented by the slab edge.
As a preferable scheme of the invention, if the two sides of the plate bottom steel bar line extend out of the extension lines of M drawing units respectively and then two intersection points are obtained between the extension lines and the floor side line, the plate bottom steel bar line is associated with the floor corresponding to the floor side line.
As a preferred embodiment of the present invention, the value of M is m=100 drawing units.
Based on the same conception, the invention also provides a plate reinforcement dynamic association device based on intersection line identification, which comprises at least one processor and a memory in communication connection with the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the intersection identification based sheet bar dynamic association method of any one of the above.
Based on the same conception, the invention also proposes a computer readable medium having stored thereon instructions executable by a processor, which when executed by the processor, cause the processor to perform the method for dynamically associating plate reinforcement based on intersection line recognition as described in any one of the above.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
the method of the invention is used for matching the floor slab and the reinforcing steel bar, which not only accurately reflects the relevance between the reinforcing steel bar and the floor slab, but also contains a certain error of a designer in the drawing process, thereby being convenient for efficient checking, greatly improving the processing efficiency of a computer and making man-machine interaction more friendly.
Drawings
FIG. 1 is a flow chart of a method for dynamically associating plate reinforcing steel bars based on intersection line recognition in embodiment 1 of the invention;
fig. 2 is a schematic view of a top reinforcement wire of a slab in embodiment 2 of the present invention;
fig. 3 is a schematic view of a plate bottom reinforcement in embodiment 2 of the present invention;
fig. 4 is a schematic view of a hooked plate bottom reinforcement bar according to example 2 of the present invention;
FIG. 5 is a schematic view showing the positional relationship between the outer edge of the floor and the beam wall in embodiment 2 of the present invention;
fig. 6 is a schematic view of a slab top reinforcement line and a slab outer edge line having an intersection point when slab upper reinforcement bars are arranged on both sides of the slab edge line in embodiment 2 of the present invention;
fig. 7 is a schematic view showing two points of intersection between the steel bar line on the top of the slab and the outer edge line of the slab when the upper steel bar of the slab is pulled through and arranged in embodiment 2 of the present invention;
fig. 8 is a schematic view of the present invention in which the distance between the intersection point and the side end point of the outer edge line of the slab is large when the upper reinforcing steel bar of the slab is disposed on only one side of the slab to establish the association between the reinforcing steel bar and the slab in embodiment 2;
fig. 9 is a schematic view showing that the distance between the intersection point and the side end point of the outer edge line of the slab is small when the upper reinforcing steel bar of the slab is disposed on only one side of the slab in example 2 of the present invention, and the reinforcing steel bar and the slab are not associated;
FIG. 10 is a schematic diagram showing that in the embodiment 2 of the present invention, when L1 and L2 are not 0, if there is an intersection with the outer line of the floor slab, correlation must occur;
FIG. 11 is a schematic view showing that P1 in example 2 of the present invention is inside the polygon formed by the outer edge of the plate, and the left side of P1 has a penetration length L1 of 0, so that the connection with the floor is not generated;
fig. 12 is a schematic diagram showing the relationship between P2 and the floor slab in embodiment 2 of the present invention, in which the length of the reinforcing steel bar extending into the floor slab is not 0 outside the polygon formed by the outer edge of the slab;
fig. 13 is a schematic diagram of the embodiment 2 of the present invention, when both sides of the through reinforcement are 0, it is necessary to determine whether P1 and P2 are inside the polygon formed by the outer edge of the slab in sequence, and both points are not inside the polygon, so that the length of the reinforcement extending into the slab is not 0, and the relationship between the reinforcement and the slab occurs;
fig. 14 is a schematic diagram showing that in embodiment 2 of the present invention, if a point is inside the polygon formed by the outer edges of the slab, the length of the steel bar extending into the slab is 0, and the steel bar and the slab are not associated;
fig. 15 is a schematic view showing the association between the upper reinforcing steel bar and the floor slab in embodiment 2 of the present invention;
fig. 16 is a schematic diagram of determining whether a slab bottom reinforcement is associated with a certain floor slab according to embodiment 2 of the present invention;
fig. 17 is a schematic view of the invention in example 2, wherein one bar is associated with multiple floors as the lower bar is pulled through more floors;
fig. 18 is a schematic diagram showing the relationship between the lower reinforcing steel bar and the floor slab in embodiment 2 of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
A plate reinforcement dynamic association method based on intersection line identification is shown in a flow chart as shown in fig. 1, and specifically comprises the following steps:
s1, extracting floor side lines and on-board reinforcing steel bar lines from CAD graphs;
s2, judging whether the slab edge line is related to the slab represented by the slab edge line or not by judging the number of intersection points between the slab edge line and the distance of the slab edge line extending into the slab edge line.
In a preferred embodiment of the present invention, in step S2, if the number of intersections between the slab edge and the slab reinforcing steel bar line is greater than or equal to 2, the slab reinforcing steel bar line is associated with the slab represented by the slab edge.
As a preferred aspect of the present invention, if the on-board reinforcing bar line penetrates through a plurality of floor edges, the on-board reinforcing bar line is associated with a floor represented by the plurality of floor edges.
As a preferred embodiment of the present invention, the on-board reinforcement wire includes a bottom-board reinforcement wire and a top-board reinforcement wire.
In step S2, if the number of intersections between the slab edge and the slab top reinforcement line is 1 and the distance that the slab top reinforcement line extends into the slab edge is not 0, the slab top reinforcement line is associated with the slab represented by the slab edge.
In step S2, if the number of intersections between the slab edge and the slab top reinforcement line is 1 and the distance that the slab top reinforcement line extends into the slab edge is 0, the slab top reinforcement line is not associated with the slab represented by the slab edge.
As a preferable scheme of the invention, if the two sides of the plate bottom steel bar line extend out of the extension lines of M drawing units respectively and then two intersection points are obtained between the extension lines and the floor side line, the plate bottom steel bar line is associated with the floor corresponding to the floor side line.
As a preferred embodiment of the present invention, the value of M is m=100 drawing units.
Example 2
1. A plate top steel bar line consists of an arrangement range line and two anchoring lines, and a schematic diagram of the plate top steel bar line is shown in fig. 2.
2. A plate bottom steel bar is composed of an arrangement range line, a plate bottom steel bar schematic diagram is shown in fig. 3, hooks are required to be drawn on two sides when hooks are required to be expressed, and a plate bottom steel bar schematic diagram with hooks is shown in fig. 4.
3. The outer edge line of the floor slab is a closed polygon formed by combining a plurality of line segments and is positioned in the middle of the beam wall, and the position relationship between the outer edge line of the floor slab and the beam wall is shown in figure 5.
4. Judging whether the plate top rib is associated with a certain floor slab or not.
And sequentially judging whether the plate top rib range line is intersected with the floor side line, and entering the next stage of judgment when an intersection point is obtained.
(1) When the steel bars at the upper part of the slab are arranged at two sides of the edge line of the floor slab, if the steel bar line at the top of the slab and the edge line of the floor slab obtain an intersection point, the relationship with the floor slab can be judged, as shown in fig. 6, the intersection point between the steel bar line L1 at the top of the slab and the edge line J1 of the floor slab at the left side is P1, and then the steel bar line at the top of the slab is related with the floor slab corresponding to the edge line J1 of the floor slab at the left side in a sending way.
(2) When the steel bars on the upper part of the floor slab are pulled through, two intersection points are obtained between the plate top steel bar line and the outer edge line of the floor slab, wherein any intersection point can be judged to be related to the floor slab, as shown in fig. 7, two intersection points P1 and P2 are arranged between the plate top steel bar line L2 and the outer edge line J2 of the floor slab, the relationship between the plate top steel bar line L2 and the floor slab corresponding to the outer edge line J2 of the floor slab can be judged through the P1 or the P2, and the relationship between the plate top steel bar line L2 and the floor slab corresponding to the outer edge line J2 of the floor slab can be directly understood. When the upper through steel bars pass through more floors, the associated floors can be obtained by the same method, and one steel bar is associated with a plurality of floors.
(3) When the upper floor rebar is disposed only on one side of the floor:
a. and the plate top steel bar line and the outer line of the floor slab are arranged on one side of the floor slab to obtain an intersection point, and the distance K1 between the intersection point and the side end point of the outer line of the floor slab is larger than the distance K2 between the intersection point and the side end point of the adjacent plate of the outer line of the floor slab, so that the plate top steel bar line can be judged to be associated with the floor slab corresponding to the distance K1 side, as shown in fig. 8.
b. The arrangement is at one side of the adjacent slab of the slab, at this time, the steel bar line at the top of the slab and the lateral line of the slab still can obtain an intersection point, but the distance K1 between the intersection point and the lateral end point of the lateral line of the slab is smaller than the distance K2 between the intersection point and the lateral end point of the adjacent slab of the lateral line of the slab, and the slab is not associated with the slab corresponding to the distance K1 side, as shown in figure 9. This situation can also be expressed as follows. If the plate top steel bar line has an intersection point with the outer edge line of the floor slab, if the length of the steel bar extending into the floor slab by the plate top steel bar line is not 0, the plate top steel bar line is associated with the extended floor slab; if the length of the reinforcing steel bar of the plate top reinforcing steel bar line extending into the floor slab is 0, the plate top reinforcing steel bar line is not related to the extending floor slab.
5. Judging whether the length of the steel bar extending into the floor slab is 0.
The plate top steel bar line consists of left and right 2 control points P1 and P2 and left and right extension lengths L1 and L2;
when neither L1 nor L2 is 0, the correlation must occur if there is an intersection with the floor slab outer line, as shown in FIG. 10.
When L1 is 0 and L2 is not 0, it is necessary to determine whether the floor is on the side where P1 is located.
By judgment, P1 is inside the polygon formed by the outer edge of the board, and the penetration length L1 of the left side of P1 is 0 at this time, so that no correlation occurs with the floor slab, as shown in fig. 11.
When L1 is not 0 and L2 is 0, it is necessary to determine whether the floor is on the side where P2 is located.
By judgment, P2 is outside the polygon formed by the outer edge of the plate, and the length of the steel bar extending into the floor slab is not 0, so that the steel bar is related to the floor slab, as shown in fig. 12.
In particular, when both sides of the pull-through reinforcement are 0 at the same time, it is necessary to determine whether P1 and P2 are inside the polygon formed by the outer edges of the slab in order, and at this time, both points are not inside the polygon, so that the length of the reinforcement extending into the slab is not 0, and the reinforcement is associated with the slab, as shown in fig. 13.
If a point is inside the polygon formed by the outer edges of the slab, the length of the reinforcing steel bar extending into the slab is 0, and the reinforcing steel bar is not associated with the slab, as shown in fig. 14.
6. The method for matching the upper steel bars of the floor slab accurately reflects the relevance between the upper steel bars and the floor slab, and also accommodates certain errors of a designer in the drawing process, so that the man-machine interaction is more friendly, as shown in fig. 15.
7. Judging whether the plate bottom steel bar is related to a certain floor slab or not.
And extending extension lines of M drawing units along two sides of the reinforcing steel bars at the lower part of the plate. Intersecting the extended plate bottom bar range line with the floor side line, and judging that the plate steel bar is related to the floor when two intersection points are obtained, as shown in fig. 16. For the plate bottom ribs, the method is simple and clear, and can be well adapted to various conditions. When the steel bars at the lower part of the plate are pulled through more floors as shown in fig. 17, the associated floors can be obtained by the same method, and at the moment, one steel bar is associated with a plurality of floors, the method is the same as the method for judging the association of the steel bars at the upper part of the plate.
Preferably, the two ends of the bottom rib of the board should be just on the edge line of the board under the correct drawing method, but because the drawing amount is large, it is impossible to actually draw thousands of steel bars in one project, the two ends of the bottom rib of the board are not just on the edge line of the board, but have certain errors, for example, in high resolution, the two ends of the bottom rib of the board are not intersected with the edge line of the board, but are worse by several drawing units, if the software determines that the two ends of the bottom rib of the board are just on the edge line of the board when the software performs the association, the situation of the above-mentioned worse drawing units is considered to be disjoint, not associated, and actually the association should be established. In order to avoid the situation that the associated erroneous judgment occurs due to errors caused by different drawing precision, the invention considers that the two sides of the reinforcing steel bar at the lower part of the plate are respectively extended with extension lines of M drawing units to carry out fuzzy judgment to a certain extent. If the two sides of the lower reinforcing steel bar of the plate are respectively extended with extension lines of M drawing units, the lower reinforcing steel bar of the plate is not intersected with the side line of the floor slab, and finally judging that the lower reinforcing steel bar of the plate is not intersected; if the two sides of the lower reinforcing steel bar of the plate are respectively extended with the extension lines of M drawing units, the lower reinforcing steel bar of the plate is intersected with the side line of the floor slab, and finally, the intersection is judged. The fault tolerance mechanism enables the method of the invention to be closer to the actual situation in the field, and solves the problem that the lower reinforcing steel bars which are required to be associated cannot be associated with the floor slab due to accurate judgment.
Further, m=100 is preferable in consideration of the value of M, because in most cases, the width of the beam and the wall is not less than 200 drawing units, while the two ends of the reinforcing bar at the bottom of the slab should be drawn on the center line of the beam and the wall, and in most cases, the minimum beam width and half of the wall width, that is, 100 drawing units are taken as drawing errors, and m=100 may include most cases where errors can be tolerated.
8. The method for matching the lower steel bars of the floor slab accurately reflects the relevance between the lower steel bars and the floor slab, and also contains certain errors of a designer in the drawing process, so that the man-machine interaction is more friendly, and a schematic diagram of the relevance between the lower steel bars and the floor slab is shown in fig. 18.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A plate reinforcement dynamic association method based on intersection line identification is characterized by comprising the following steps:
s1, extracting floor side lines and on-board reinforcing steel bar lines from CAD graphs;
s2, judging whether the slab edge line is associated with the slab represented by the slab edge line or not by judging the number of intersection points between the slab edge line and the distance between the slab edge line and the slab edge line;
in the step S2, if the number of the intersection points between the floor side lines and the plate steel bar lines is more than or equal to 2, the plate steel bar lines are associated with the floor represented by the floor side lines;
the plate upper steel bar line comprises a plate bottom steel bar line and a plate top steel bar line;
in step S2, if the number of intersection points between the floor side line and the plate top steel bar line is 1 and the distance that the plate top steel bar line stretches into the floor side line is not 0, the plate top steel bar line is associated with the floor represented by the floor side line;
if the number of the intersections between the floor side lines and the plate top reinforcing steel bars is 1 and the distance that the plate top reinforcing steel bars extend into the floor side lines is 0, the plate top reinforcing steel bars are not associated with the floor represented by the floor side lines.
2. A method of dynamically associating a sheet reinforcement based on intersection identification as claimed in claim 1, wherein if the sheet reinforcement is threaded through a plurality of floor edges, the sheet reinforcement is associated with a floor represented by the plurality of floor edges.
3. The method for dynamically associating plate steel bars based on intersection line recognition according to claim 1, wherein if two sides of a plate bottom steel bar line extend out of extension lines of M drawing units respectively and then two intersection points are obtained between the extension lines and floor slab side lines, the plate bottom steel bar line is associated with a floor slab corresponding to the floor slab side lines.
4. A method for dynamically associating plate tendons based on intersection line recognition according to claim 3, wherein the value of M is m=100 drawing units.
5. A plate reinforcement dynamic association device based on intersection line identification, which is characterized by comprising at least one processor and a memory in communication connection with the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the intersection recognition-based sheet reinforcement dynamic association method of any one of claims 1 to 4.
6. A computer readable medium having stored thereon instructions executable by a processor, which instructions, when executed by the processor, cause the processor to perform the intersection recognition based sheet reinforcement dynamic association method of any of claims 1 to 4.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005182167A (en) * | 2003-12-16 | 2005-07-07 | Aakitekku:Kk | Method, device and program for creating drawing |
| JP2009003846A (en) * | 2007-06-25 | 2009-01-08 | System Meisei Kk | Architectural drawing data conversion program |
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| GB2364813B (en) * | 2000-07-13 | 2004-12-29 | Vhsoft Technologies Company Lt | Computer automated process for analysing and interpreting engineering drawings |
| KR101607886B1 (en) * | 2015-07-30 | 2016-04-11 | 단국대학교 산학협력단 | Automatic generation system of rebar shop drawing using 3D model |
| JP7469987B2 (en) * | 2020-08-07 | 2024-04-17 | Ｊｆｅエンジニアリング株式会社 | Information processing device, information processing method, and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005182167A (en) * | 2003-12-16 | 2005-07-07 | Aakitekku:Kk | Method, device and program for creating drawing |
| JP2009003846A (en) * | 2007-06-25 | 2009-01-08 | System Meisei Kk | Architectural drawing data conversion program |
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