CC BY
4
UDC: 625.721.2
Dadaxodjayev A., c.a.s.
Associate Professor NamECI Mamajonov M. Senior Lecturer NamECI Ergashv M. Senior Lecturer NamECI Mamajonov M. teacher NamECI
AUTOMATED DRAWING OF ROADS IN CREDO COMPLEX
PROGRAM
Annotation: This article discusses the capabilities of the CREDO complex program, the structure of the complex program, the technology of automated design on highways using the CREDO complex program and the process of their use.
Keywords: CREDO, CREDO-DIALOG, complex, interface, AutoCAD.
Introduction. The project is a set of documents (explanatory letter, drawings, estimates, etc.) required for the construction and subsequent maintenance of the road and its structures. Advanced modern concepts require a systematic, unified approach to design. A unified, systematic approach is provided through certain steps. Each stage sets specific goals and objectives for the designers.
Road projects will be developed in two phases (pre-project and project).
Pre-project phase:
• Road Development Program (RD),
• Investment justification (IA).
Project phase:
• Engineering Project (ML),
• working documents (IH).
In the pre-project phase, the goal of the road development program is to determine the sequence and economic feasibility of complete construction, reconstruction and repair of roads and road structures. Road development programs use cartographic materials, diagnostic results, design and survey data, research, statistics, and other materials. There are a number of programs used in design work. The most popular and widely used programs are AutoCAD, CorelDRAW, HDM, CREDO MX ROAD.
The main part. The automated design system was developed by CREDO ALT "CREDO-DIALOG" (Minsk, Belarus). The system covers all design processes designed for the development of projects for the construction and reconstruction of roads, as well as from the processing of technical survey data for other industrial and civil construction facilities to the preparation of project documentation. . The CREDO complex program is certified by the certification body of the Russian Federation GOSTSTROY in accordance with the requirements of existing regulations.
CREDO PRO subsystem with other systems of technical graphics, such as AutoCAD, MicroStation, calculation of graphic editing in the development of two- and three-dimensional geometric design, drawings, diagrams, tables, explanatory notes of roads and other engineering objects allows two- and three-dimensional modeling of interactions.
Figure 1. CREDO TER subsystem working environment.
The CREDO Interface uses standardized components of the CUA (Common User Access): a button menu of functions and processes, a launch and interaction path, a pop-up window, and more. CREDO has a lot in common with similar or universal system interfaces, such as Windows.
Figure 2. CREDO_DAT 2.0 (DOS) work window view.
Figure 1 shows the CREDO TER subsystem operating environment as an example. At the top of the screen are two rows of control buttons. Use the top row of buttons to select the order of operation: "data", "relief", "situation", "path axis", "drawing", "dimensions", "output".
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Figure 3. CREDO DAT 3.0 (WINDOWS) working window view.
When you activate any of them, a drop-down menu called Functions will appear on the screen. This occurs in accordance with the above workflow. After activating the selected function, a second set of buttons called Processes will appear.
Figure 4. Project solution and automated project in CAD_CREDO system.
In addition, the CREDO complex program (CREDO-TER) uses relief digital model (RRM), situation (VRM) and geological digital models (GRM). RRM is formed on the basis of points, structural lines and relief contour (appearance). This creates a network of triangles, which can be used to calculate
the height of points with certain coordinates in the plan, to create a cross-section of the surface in the specified direction, to reflect the relief with the help of horizontals and a conditional image of side slopes.
Acknowledgements. We thank the research director A.Inamov and N.Ergasheva for their help for translate into English.
Conclusion. Personally, through this system, many project organizations have begun the process of complex automation of work. Many CREDO system computational schemes and algorithms are considered innovative today and are used by other software developers. Like all other sectors, the road sector is developing rapidly. It is difficult to imagine these developments without programs. That's why we as road engineers need to know not only the traditional design but also the automated design of highways using software.
References:
1. П.И.Поспелов и др. Основам автоматизированного проектирования автомобильных дорог. (на базе программного комплекса CREDO). М. СП «Кредо-Диалог» - ООО. 2007 г.
2. CREDO. Проектирование автомобильных дорог. CAD-CREDO. Минск. 2000 г. Книга 1.
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