The Application Of The Secondary Development Of AutoCAD In Concrete Structure Plans Drawing

The Secondary Development of CAD technology and its applications is the one of the most popular research direction in recently. This paper mainly discusses the application of The Secondary Development of CAD technology in concrete structure plans drawing. Mainly include the following contents:1 The present situation about the application of CAD technology in the structural design of building. This text mainly introduced the developing history of the project CAD technology and present major CAD software.2 Present drawing method and characteristic of the structural construction plans drawing. Mainly expounds the drawing method uses extensively in our country at present -" The Plane integration expression method" .And analyze its characteristic in CAD drawing.3 The content and direction of AutoCAD secondary development technology when it applied in the concrete structural construction plans drawing. Briefly introduce the concept, principle, general course and key technology of CAD secondary development.Deeply analysis the Development content of AutoCAD secondary development technology in the present structural construction drawing.4 The application embodiment of AutoCAD secondary development technology in the concrete structural construction drawing. Introduce the treatment which develops some key problems met in the course.AutoCAD secondary development technology is a cross discipline, it involves the software realization technology and professional knowledge application two aspects.This text has laid particular emphasis on introducing the application of the professional knowledge.