Geometric Constructions in MicroStation: Engineering Design Graphics Exercise - Prof. Raym, Assignments of Civil Engineering

Download Geometric Constructions in MicroStation: Engineering Design Graphics Exercise - Prof. Raym and more Assignments Civil Engineering in PDF only on Docsity! CE 111 Engineering Design Graphics Geometric Constructions Handout (GCH) Computer Constructions (DR-5) Although MicroStation is equipped with a rich selection of “built in” geometric objects and construction tools, you will use the geometric construction techniques illustrated in the Geometric Constructions Handout to complete the drawings in this exercise. The MicroStation tools you are allowed to use are only those, which emulate the function of a traditional drafting instrument or technique. These tools are as follows: MicroStation Tool Analogous Drafting Instrument Place Line Pencil and Straight Edge Place Arc by Center Compass, Dividers Place Circle by Center Compass Place Point or Stream Curve French Curve, Adjustable Curve Length, Radius, Angle Options Scale, Triangles, Protractor, Compass Axis Lock T-Square, Triangles Grid Lock Scale, T-Square, Triangles Snap Lock & Any Snap Mode T-Square, Triangles, Eyeball Mirror Tracing Paper Delete, Trim, Extend, etc. Eraser Shield You will use the following seed files to complete this exercise: dr-5-1sd.dgn, dr-5- 2sd.dgn, dr-5-3sd.dgn, dr-5-4sd.dgn, dr-5-5sd.dgn, dr-5-6sd.dgn and dr-5-7sd.dgn. Change the (DR. BY) “drawn by” to your name and change the (DATE) before printing each drawing. You will use these seed files to practice proper construction techniques using only the tools listed above in MicroStation to simulate conventional mechanical drawing equipment. Refer to the Geometric Constructions Handout for help in completing each exercise. When printing your drawings show all constructions required to complete each drawing. DR-5-1, Constructing Lines Tangent to two Circles Using tangent snap draw a line tangent to the bottom of the two circles shown in dr-5- 1sd. Then snap to the endpoint of each tangent point using keypoint snap and draw a line to the center of each circle using center snap. Change the linestyle to dimension and use the dimension angle tool to display the angle formed by each tangent line and the line drawn to the center of each circle. The angle displayed should be 90° indicating that the line is tangent to the circle and is drawn properly. You are essentially repeating what has been done on the topside of the two circles.