CN-121981878-A - Arch bridge arch ring disease distribution diagram drawing method

CN121981878ACN 121981878 ACN121981878 ACN 121981878ACN-121981878-A

Abstract

The invention discloses a method for drawing an arch ring disease distribution diagram of an arch bridge. The method comprises the steps of numbering a web plate of a base plate, a local coordinate system of the web plate, a disease position recording standard, an overall coordinate system, a disease position description standard of the base plate, a disease position description standard of the web plate and a disease pattern drawing standard. On one hand, the invention establishes an independent local coordinate system based on a horizontal projection plane and a vertical projection plane, which is convenient for recording disease positions, for each bottom plate and web plate of the arch bridge arch ring, on the other hand, the three-dimensional curved surface is unfolded into a two-dimensional curved surface along the forward bridge direction and the transverse bridge direction, an integral coordinate system reflecting the actual size of the arch ring is established, and the local disease coordinates are reflected in the actual positions of the arch bridge arch ring through coordinate transformation, so that the accurate drawing of the disease of the complex three-dimensional curved surface of the arch bridge arch ring is realized.

Inventors

GUO XUEBING
LIU ZHIHUA
ZHAO XIAOJIN
HAO YANJUN
GAO HAO
WANG ZHENGUO
SUN LIZHOU
YANG YANG
SUN XIAOYING
ZHENG YEXIN
LI KAIXIN
MA JIAN
LI YIYANG
GUO HAO
LI ANYU
WANG SHUAI
YANG YONGJIE
ZHANG ZILIANG
LI ZHEN
WANG NING
LUO HAOYANG

Assignees

山西省智慧交通研究院有限公司
山西省智慧交通实验室有限公司
山西交通科学研究院集团有限公司
山西省交通建设工程质量检测中心（有限公司）

Dates

Publication Date: 20260505
Application Date: 20251227

Claims (8)

1. The arch bridge arch ring disease distribution diagram drawing method is characterized by comprising a base plate web number (1), a base plate local coordinate system (2), a web plate local coordinate system (3), a base plate disease position recording standard (4), a web plate disease position recording standard (5), an overall coordinate system (6), a base plate disease position description standard (7), a web plate disease position description standard (8) and a disease pattern drawing standard (9); The base plate and web plate numbers (1) are split, the numbers are recorded, and the base plate horizontal projection plane forward-bridge direction size and the horizontal projection plane transverse-bridge direction size are recorded, and the web plate vertical projection plane forward-bridge direction size and web plate height are recorded; The local coordinate system (2) of the bottom plate and the local coordinate system (3) of the web plate take the horizontal projection surface of the bottom surface of the arch ring as a position recording surface of the bottom plate component and the diseases, and establish independent local coordinate systems of all the bottom plates of the arch ring on the horizontal projection surface; The base plate disease position recording standard (4) and the web plate disease position recording standard (5) are used for describing the positions of the diseases in the base plate local coordinate system (2) and the web plate local coordinate system (3), and primarily determining the spatial positions of the diseases; The integral coordinate system (6) is used for stretching all bottom plates and webs of the bottom surface and the side surface of the arch ring, which are actually three-dimensional space curved surfaces, into independent two-dimensional planes along the forward bridge direction and the transverse bridge direction, splicing all the independent two-dimensional planes into an integral two-dimensional plane, establishing the integral coordinate system (6) of the bottom surface and the side surface of the arch ring on the integral two-dimensional plane, and determining the actual space position of diseases on the basis of the integral two-dimensional plane; the base plate disease position description standard (7) is used for converting disease coordinates recorded on the base plate local coordinate system (2) through the base plate disease position recording standard (4) into coordinates on the integral coordinate system (6); The web defect position description standard (8) is used for converting defect coordinates recorded on the web local coordinate system (3) by the web defect position recording standard (5) into coordinates on the integral coordinate system (6); and the disease pattern drawing standard (9) is used for drawing diseases according to the converted coordinates on the integral coordinate system (6).
2. The arch bridge arch ring fault distribution diagram drawing method is characterized in that an independent bottom plate local coordinate system (2) and a web plate local coordinate system (3) are built for each bottom plate and web plate at the bottom of an arch ring, the bottom plate local coordinate system (2) takes the forward direction of a bridge as the X direction, the transverse direction of the bridge as the Y direction, the right end point of each bottom plate small pile number side edge is determined to be left and right based on the direction facing X increase, the horizontal projection plane forward direction dimension Lxi in the bottom plate web plate number (1) is taken as an X direction boundary, the horizontal projection plane transverse direction dimension Lyi is taken as a Y direction boundary, the web plate local coordinate system (3) takes the forward direction of the bridge as the X direction, the vertical direction is taken as a Y direction, the upper end point of each web plate small pile number side edge is taken as the origin, the vertical projection plane forward direction dimension Lxi in the bottom plate web plate number (1) is taken as an X direction boundary, and the vertical projection plane vertical direction dimension Lyi is taken as a Y direction boundary.
3. The arch bridge ring fault distribution map drawing method according to claim 1 is characterized by establishing a base plate fault position recording standard (4) and a web plate fault position recording standard (5), defining two end points and middle points of line faults and all folding points of the web plate faults along the circumference as nodes, defining the node with the smallest abscissa X as an X1 for the line faults, sequentially configuring the node with serial numbers Xi towards the large pile number side or the left side along the line fault, defining the distance between each node projection point and the small pile number side boundary of the horizontal projection plane or the vertical projection plane as an abscissa X, defining the distance between each node projection point on the base plate and the right boundary of the horizontal projection plane and the distance between each node projection point on the web plate and the upper boundary of the vertical projection plane as an ordinate y, and configuring the node with serial numbers Xi for the line fault, defining the node with the smallest abscissa X as an origin along the line fault, sequentially configuring the node with serial numbers Xi towards the large pile number side or the left side, and sequentially configuring the node with serial numbers Xi towards the beginning point Zhou Changshun along the line fault. If there are a plurality of nodes with the smallest abscissa, the node with the smallest ordinate is defined as a starting point X1, and the coordinates of each node are (X i ,y i ), and in particular, when the surface diseases are rectangles parallel to the forward bridge direction, only the coordinates of any two pairs of vertex nodes can be recorded.
4. The arch bridge and arch ring fault distribution diagram drawing method according to claim 1 is characterized in that the number size of each component, the coordinates of each node and the number of the node are recorded according to the method of the base plate web plate number (1), the base plate local coordinate system (2), the web plate local coordinate system (3), the base plate fault position recording standard (4) and the web plate fault position recording standard (5).
5. The arch bridge arch ring fault distribution diagram drawing method is characterized by establishing an integral coordinate system (6) of the arch ring bottom, stretching all bottom plates and webs of the arch ring bottom of an actual three-dimensional space curved surface into a two-dimensional plane along a forward bridge direction and a transverse bridge direction, wherein the forward bridge direction is taken as an X direction, the transverse bridge direction is taken as a Y direction, the left and right sides are determined based on the increasing direction facing the X direction, the right side end point of the small pile number side is taken as an origin, the integral of the arc length of all bottom plates and webs along the bridge direction arch axis equation between 0 and Lxi is calculated to be Lxi ', the vertical bridge dimension Lyi of all webs and the transverse bridge dimension Lyi of all bottom plate horizontal projection surfaces are calculated to be Ly' for all components at the boundary of the X direction, and Y direction boundary.
6. The arch bridge arch ring fault distribution diagram drawing method according to claim 1 is characterized in that a base plate fault location description standard (7) is established, faults are cooperatively drawn into two-dimensional faults along with the establishment of the integral coordinate system (6), an arc length integral of an arch axis equation between 0 and x i is calculated to be x i ' for a coordinate (x i ,y i ) recorded by a certain node under the base plate local coordinate system (2), yi plus the transverse bridge transverse dimension Lyi of all base plate horizontal projection surfaces and the vertical bridge vertical dimension Lyi of all web vertical projection surfaces on the right side of a component where the node is located are yi ', and the coordinate (x i ,y i ) recorded by the node under the base plate local coordinate system (2) is converted into the coordinate (x i `,y i ') under the integral coordinate system (6), and the coordinate of all nodes on all base plates is converted.
7. A method for drawing arch bridge arch ring fault distribution map according to claim 1 is characterized in that web fault location description standards (8) are established, faults are cooperatively stretched into two-dimensional faults along with the establishment of an overall coordinate system (6), the arc length integral of a web along a bridge arch axis equation between 0 and x i is calculated to be x i 'according to the coordinate (x i ,y i ) recorded by a web local coordinate system (3) of a certain node, if the web is a right web, yi is added with the horizontal projection plane transverse dimension Lyi of all bottom plates on the right side of a component where the node is located and the vertical projection plane vertical dimension Lyi of all web is yi', if the web is a left web, the vertical projection plane transverse dimension Lyi of the web where the node is subtracted by yi is added with the horizontal projection plane transverse dimension Lyi of all bottom plates on the right side of the component where the node is located and the vertical projection plane vertical dimension Lyi of all web is yi ', the coordinate (x i ,y i ) recorded by the web local coordinate system (3) of the web is converted into the coordinate system (x i `,y i ') of the overall coordinate system (6), and all the coordinates of the web are converted into the overall coordinate system (6) under all the conditions.
8. The arch bridge and arch ring disease distribution diagram drawing method according to claim 1 is characterized in that a disease pattern drawing standard (9) is established, an integral two-dimensional plane formed by the integral coordinate system (6) is used as a base diagram for drawing the disease distribution diagram, lxi 'is the length of each component, along the bridge direction, ly' is wide, and the transverse bridge direction.

Description

Arch bridge arch ring disease distribution diagram drawing method Technical Field The invention belongs to the technical field of bridge engineering, and particularly relates to a method for drawing an arch ring disease distribution diagram of an arch bridge. Background In bridge detection business, the distribution condition and the disease amount of apparent bridge diseases are often required to be known, and a common method is to draw a distribution diagram of the diseases on the surface of a structure. When drawing a disease distribution diagram, the most critical is to obtain the spatial position of the disease on the surface of the bridge structure. The bridge structure is a three-dimensional space structure, the common practice is to decompose the outer surface of the bridge structure into independent two-dimensional surfaces, and the positions of the diseases are recorded on each surface independently, so that the distribution condition of the diseases on the surface of the bridge structure is obtained. The traditional method can only be applied to a structure with a plane surface and a regular surface, and has the defects that (1) a coordinate system cannot be directly established on a curved surface, the size of a main arch ring cannot be described, 2) most of diseases on the main arch ring are three-dimensional, namely, a transverse bridge extends to the direction, a forward bridge extends to the direction and the vertical direction, the specific position and the size of the diseases cannot be described by the traditional method, and 3) the three-dimensional space position cannot be converted into a two-dimensional plane position and is unfolded into a two-dimensional distribution diagram and the like when facing three-dimensional curved surfaces such as an arch bridge and the like, in particular to a complex space curved surface such as a hyperbolic arch bridge. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides a method for drawing an arch bridge arch ring disease distribution diagram, which comprises the steps of establishing a set of independent horizontal projection plane-based local coordinate system for each bottom plate and web plate of the arch bridge arch ring, and conveniently recording the disease position, expanding a three-dimensional curved surface into a two-dimensional curved surface along the forward bridge direction and the transverse bridge direction, establishing an integral coordinate system reflecting the actual size of the arch ring, reflecting the local disease coordinate at the actual position of the arch bridge arch ring through coordinate transformation, and realizing the accurate drawing of the disease of the complex three-dimensional curved surface of the arch bridge arch ring. The arch bridge arch ring disease distribution diagram drawing method comprises a base plate web plate number, a base plate local coordinate system, a web plate local coordinate system, a base plate disease position recording standard, a web plate disease position recording standard, an integral coordinate system, a base plate disease position description standard, a web plate disease position description standard and a disease pattern drawing standard. The base plate and the web are numbered, the base plate and the web are detached, the numbers are recorded, and the horizontal projection plane of the base plate is along the bridge direction size and the horizontal projection plane is along the bridge direction size, and the vertical projection plane of the web is along the bridge direction size and the web is high. The local coordinate system of the bottom plate and the local coordinate system of the web plate take the horizontal projection surface of the bottom surface of the arch ring as a position recording surface of the bottom plate component and the diseases, and an independent local coordinate system of each bottom plate of the arch ring is established on the horizontal projection surface. The vertical projection surface of the arch ring web plates is used as a web plate component and a position recording surface of the diseases, and an independent local coordinate system of each web plate of the arch ring is established on the vertical projection surface. The base plate disease position recording standard and the web plate disease position recording standard are used for describing the positions of the diseases in the base plate local coordinate system and the web plate local coordinate system, and the spatial positions of the diseases are preliminarily determined. And the integral coordinate system is characterized in that each bottom plate and each web plate of the bottom surface and the side surface of the arch ring, which are actually three-dimensional space curved surfaces, are stretched into independent two-dimensional planes along the forward bridge direction and the transverse bridge direction, the independent two-dimensional plan