CN106971035B - Method for quickly identifying geological information in bridge foundation design - Google Patents
Method for quickly identifying geological information in bridge foundation design Download PDFInfo
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- CN106971035B CN106971035B CN201710176332.9A CN201710176332A CN106971035B CN 106971035 B CN106971035 B CN 106971035B CN 201710176332 A CN201710176332 A CN 201710176332A CN 106971035 B CN106971035 B CN 106971035B
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Abstract
The invention relates to a method for rapidly identifying geological information in bridge foundation design, which analyzes and arranges a physical and mechanical property table of each soil layer and sets codes of each soil layer; forming different closed areas, namely geological areas, on each different stratum of the geological profile, and performing multiple segmentation on a longer soil layer; filling corresponding soil layer codes into each geological domain; taking coordinates of the positions of the feature points in the geological vertical section, and establishing an integral corresponding relation with the mileage and the elevation of the bridge design; and (3) acquiring the ground elevation of the pier, the thickness of each soil layer and the physical and mechanical properties of the corresponding soil layer by analyzing the codes of the areas penetrating through the pier and the positions of the cross points, and completing the quick and accurate identification of geological information. According to the method, by establishing the concept of geological domains, corresponding soil layer codes are input in each domain only once, and the ground elevation at the pier, the thickness penetrating through each soil layer and the physical and mechanical properties of the corresponding soil layer are identified through the relation between the coordinates in the geological profile and the mileage elevation of the designed bridge, so that the result is accurate, and the efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a method for quickly identifying geological information in bridge foundation design.
Background
In recent years, the construction of national traffic infrastructure is rapidly developed, particularly, the development of high-speed railways represented by passenger dedicated lines and high-speed highways in highway engineering is prominent, the line length proportion occupied by bridges is continuously increased, the work load of bridge design is more and more increased, and in order to improve the working efficiency, bridge design engineers are all exploring the automatic design approaches of the foundation, wherein the most important point is how to rapidly identify the geological information at the foundation of the abutment.
The traditional method comprises the following steps: firstly, manually inputting stratum line and soil layer information under the line, and regenerating the stratum line after acquiring the end point coordinates of the line segment, so that the efficiency is low and errors are easy to make; secondly, soil layer codes are input at a plurality of positions among different soil layers in the geological profile, and soil layer information at the pier position is identified through fuzzy identification.
Disclosure of Invention
The invention aims to provide a method for quickly identifying geological information in bridge foundation design, which has the advantages of clearer and more accurate identification result and higher efficiency.
The technical scheme adopted by the invention is as follows:
the method for rapidly identifying geological information in bridge foundation design is characterized by comprising the following steps:
the method is realized by the following steps:
the method comprises the following steps: according to the geological information of the design project, finishing and perfecting the physical and mechanical property table of each soil layer, and setting codes of each soil layer;
step two: in the provided geological profile, forming different enclosed areas, namely geological areas, of each different stratum, and segmenting a longer soil layer for multiple times;
step three: filling soil layer codes corresponding to the soil layer properties of each enclosed area, namely a geological area;
step four: taking coordinates (X, Y) of the positions of the feature points in the geological profile, and establishing an integral corresponding relation with the mileage and the elevation of the bridge design;
step five: by analyzing the codes of all areas penetrated by the pier and the positions of the cross points, the ground elevation of the pier, the thickness of all soil layers penetrated by the pier and the physical and mechanical properties of the corresponding soil layers are obtained, and the geological information in the bridge foundation design is quickly and accurately identified.
A geological domain refers to a closed area with and only one closed outer boundary, and no or at most one closed inner boundary, which may overlap, but each area must be closed and unique.
The invention has the following advantages:
the invention adopts the geological longitudinal section provided by geological specialties as the basis and completes the rapid and accurate geological information identification by establishing the concept of geological domain. Compared with the traditional method, the method has the advantages that:
1. different soil layers are established into respective closed areas, and the soil layers are more flexible and free to define;
2. the geological area is displayed in real time by interactively filling the geological vertical section, so that the geological area is clearer and more accurate;
3. and the filling is only needed once in each geological domain, so that the efficiency is higher.
According to the method, the concept of the geological domain is established, the closed domains are formed among different soil layers, corresponding soil layer codes are input once in each domain, the ground elevation at the pier, the thickness penetrating through each soil layer and the physical and mechanical properties of the corresponding soil layer are identified according to the relation between the coordinates in the geological profile and the mileage elevation of the designed bridge, and the method is flexible and free, accurate in result and high in efficiency.
Drawings
FIG. 1 is a table of soil layer physical mechanical properties.
FIG. 2 is a geological domain representation.
FIG. 3 is a map of a populated geological domain.
Figure 4 is the geological information (ground elevation, soil thickness and code) after recognition.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a method for quickly identifying geological information in bridge foundation design, which puts forward a concept of establishing a geological domain according to the characteristic that geological soil layers are not overlapped in a cross way, wherein the geological domain refers to a closed region which has only one closed outer boundary and can have no or more than one closed inner boundaries, the boundaries can be partially overlapped, but each region needs to be closed and unique, and the method is shown in figure 2.
The method for quickly identifying geological information in bridge foundation design is realized by the following steps:
the method comprises the following steps: according to the geological information of the design project, finishing and perfecting the physical and mechanical property table of each soil layer, and setting codes of each soil layer as shown in figure 1;
step two: in the provided geological profile, different enclosed areas, namely geological areas, are formed by each different stratum, and longer soil layers can be segmented for multiple times;
step three: filling each enclosed area (i.e. geological area) with soil layer codes corresponding to soil layer properties of the area, as shown in fig. 3;
step four: and (3) taking coordinates (X, Y) of the positions of the feature points in the geological profile, and establishing an integral corresponding relation with the mileage and the elevation of the bridge design.
Step five: by analyzing the codes and the positions of the cross points of the areas penetrating through the pier, the ground elevation of the pier, the thickness of the areas penetrating through the soil layers and the physical and mechanical properties of the corresponding soil layers are obtained, and the geological information in the bridge foundation design is quickly and accurately identified, as shown in fig. 4.
The invention firstly provides the concept of the geological domain, can divide a longer stratum for multiple times and can define the geological domain more flexibly and freely. And (4) interactively filling, and clearly displaying the geological region at any time. The geological domain is unique, and the identified geological information is accurate and has no objection. And only once filling is needed in each geological domain, so that the efficiency is higher.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (2)
1. The method for rapidly identifying geological information in bridge foundation design is characterized by comprising the following steps:
the method is realized by the following steps:
the method comprises the following steps: according to the geological information of the design project, finishing and perfecting the physical and mechanical property table of each soil layer, and setting codes of each soil layer;
step two: in the provided geological profile, forming different enclosed areas, namely geological areas, of each different stratum, and segmenting a longer soil layer for multiple times;
step three: filling soil layer codes corresponding to the soil layer properties of each enclosed area, namely a geological area;
step four: taking coordinates (X, Y) of the positions of the feature points in the geological profile, and establishing an integral corresponding relation with the mileage and the elevation of the bridge design;
step five: by analyzing the codes of all areas penetrated by the pier and the positions of the cross points, the ground elevation of the pier, the thickness of all soil layers penetrated by the pier and the physical and mechanical properties of the corresponding soil layers are obtained, and the geological information in the bridge foundation design is quickly and accurately identified.
2. The method for rapidly identifying geological information in the bridge foundation design according to claim 1, wherein the method comprises the following steps:
a geological domain refers to a closed area with and only one closed outer boundary, and no or at most one closed inner boundary, which may overlap, but each area must be closed and unique.
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| CN114937283A (en) * | 2022-05-10 | 2022-08-23 | 中铁第一勘察设计院集团有限公司 | Method for automatically identifying stratum information by using two-dimensional geological profile |
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| EP2713185A1 (en) * | 2012-09-28 | 2014-04-02 | Dal Moro Giancarlo Ditta Individuale | Method and apparatus to detect and analyze seismic signals |
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