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TECHNOLOGY AND ENGINERRING

TECHNOLOGY AND ENGINERRING. SKILL DEPARTEMEN PROGRAM : BUILDING TECHNOLOGY SKILL COMPETENCE : DRAWING BUILDING TECHNOLOGY. Implementating Statics and Voltage. Objectives : Student is able to describe the meaning of mechanic technique and building static

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TECHNOLOGY AND ENGINERRING

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  1. TECHNOLOGY AND ENGINERRING SKILL DEPARTEMEN PROGRAM : BUILDING TECHNOLOGY SKILL COMPETENCE : DRAWING BUILDING TECHNOLOGY

  2. Implementating Statics and Voltage Objectives : • Student is able to describe the meaning of mechanic technique and building static • Student s able to describe the meaning of force, vector resultant and force moment • Student s able to describe the process of structuring and describing force as gravities and analysis • Student s able to arrange and describe force as gravities and analysis Teknologi dan Rekayasa

  3. Implementating Statics and Voltage • Student is able to describe one force to become many forces as well as gravity • Student calculates force resultant • Student is able to calculate force moment • Student is able to describe the meaning and kinds of burden of calculating the building static construction Teknologi dan Rekayasa

  4. Implementating Statics and Voltage • Student is able to describe the working principle of force action and reaction • Student is able to describe the working principle of couple moment • Student is able to describe the working principle of force balance Teknologi dan Rekayasa

  5. The meaning of mechanic and building static MECHANICS OR MECHANICS TECHNIQUE STATIC CINEMATIC DYNAMIC Teknologi dan Rekayasa

  6. The meaning of mechanic and building static Science which learns about force balance where a construction stay not move though it has many moving forces. STATIC Teknologi dan Rekayasa

  7. The meaning of mechanic and building static CINEMATIC Science which only learn about yang hanya mempelajari movement of one thing without discussing the reason ot that movement. Teknologi dan Rekayasa

  8. The meaning of mechanic and building static DYNAMIC Science which learns movement and its reason of that movement. Teknologi dan Rekayasa

  9. The meaning of mechanic and building static CALCULATING OF BUILDING STATIC Science which learns stability dan strong of a building construction or parts of building itself. Teknologi dan Rekayasa

  10. The meaning of mechanic and building static CALCULATING OF BUILDING STATIC Including STABILITY CALCULATION DIMENSION CALCULATION STRONG CALCULATION CONTOL CALCULATION Teknologi dan Rekayasa

  11. The meaning of mechanic and building static STABILTY CALCULATION Pcalculation which be done in order that building always stay strong. In this case it must be controlled about condition of building foundation and land as a basic of foundation. Teknologi dan Rekayasa

  12. The meaning of mechanic and building static DIMENSION CALCULATIONI A calculation which determines measurement of supporting material which is needed to support burdens or forces o construction by thinking safety factor. Teknologi dan Rekayasa

  13. The meaning of mechanic and building static DIMENSION CALCULATION Thisdimension calculation erhitungan dimensiis important to be done to ensure the strength which will cause the use of material efficiently. Teknologi dan Rekayasa

  14. The meaning of mechanic and building static STRENGTH CALCULATION Calculation which is done to control the changes of shape, movements and need in construction more than it decided or not. Teknologi dan Rekayasa

  15. The meaning of mechanic and building static CONTROL CALCULATION Calculaton which is done by mean to check that building which will be established strong or rigid enough to the planed burden. Teknologi dan Rekayasa

  16. The meaning of force, vector, resultsnt and force moment • Meaning of force When we want to understand about force, look up the actions below. A ball is kicked, so it will turn round, by the other hand it happens the changes of ball place. Teknologi dan Rekayasa

  17. The meaning of force, vector, resultsnt and force moment A ball which is turning round being kicked agai, t will turn round faster. On the other hand it happens change of moving ball. Teknologi dan Rekayasa

  18. The meaning of force, vector, resultsnt and force moment A ball beside the wall is in static position. After beig kicked that ball is still in its position, but not so long it will happens the changes of it. Teknologi dan Rekayasa

  19. The meaning of force, vector, resultsnt and force moment The three actions of it can be concluded; “Force is something that can cause changes of place, movement, or shape of thing.” Teknologi dan Rekayasa

  20. P = m x a The meaning of force, vector, resultsnt and force moment P = force m = massa a = speed force formula Teknologi dan Rekayasa

  21. The meaning of force, vector, resultsnt and force moment TYPES OF FORCE HAVING BIGNESS HAVING WORKING LINE HAVING DIRECTION HAVING KEEP POINT Teknologi dan Rekayasa

  22. = 100 kg = 1000 N The meaning of force, vector, resultsnt and force moment FORCE HAS BIGNESS Example 100 kg, 1000 Newton and 50 Ton Teknologi dan Rekayasa

  23. The meaning of force, vector, resultsnt and force moment FORCE HAS KEEPING POINT A place point of force works Box is pushed to point A, it will move to the right Teknologi dan Rekayasa

  24. The meaning of force, vector, resultsnt and force moment Box is pushed to point B, it will not move but it will be up side down. Teknologi dan Rekayasa

  25. The meaning of force, vector, resultsnt and force moment Both actions on the pictures above idicate that force has working or keeping point. Teknologi dan Rekayasa

  26. The meaning of force, vector, resultsnt and force moment HAVING WORK LINE Force working line is stright line which is equal with force itself. Teknologi dan Rekayasa

  27. The meaning of force, vector, resultsnt and force moment SA force can be moved forward or backward but it must be in working line. Teknologi dan Rekayasa

  28. The meaning of force, vector, resultsnt and force moment HAVING DIRECTION Force has direction to the left, right, upward, downward, and so on.Force is a vector is bigness has direction. Teknologi dan Rekayasa

  29. The meaning of force, vector, resultsnt and force moment Force can’t be seen but can be felt. Therefore to imagine force in finishing building static tests are needed symbole. Symbole is a line scales and directs which is called vector. Teknologi dan Rekayasa

  30. The importance of force, vector, resultsnt and force moment Example force (P) = 100 kg Force Scale 1 cm = 20 kg so long of its vector = Force scale 1 cm = 20 kg meaned every 1 cm is the same with 20 kg force. Teknologi dan Rekayasa

  31. VECTOR IMPORTANCE TO FINISH BUILDING STATIC TESTS WITH PAINTING OR GRAFIC The meaning of force, vector, resultsnt and force moment Teknologi dan Rekayasa

  32. The meaning of force, vector, resultsnt and force moment RESULTANT Arranging force or calculate force or the other hand two forces or more can be combined to become one force substitution which is called RESULTANT. Teknologi dan Rekayasa

  33. The meaning of force, vector, resultsnt and force moment Resultant is symboled with R Look at the following picture: Being combined to be R has different bigness and directon P1 = Force 1 P2 = Force 2 R = Resultant Teknologi dan Rekayasa

  34. The meaning of force, vector, resultsnt and force moment FORCE MOMENT Moment is a situation where the action and reaction are not in one working line. Force momentis moment time distance. M = P x l M = Moment P = GForce l = Distance Teknologi dan Rekayasa

  35. The meaning of force, vector, resultsnt and force moment For moment has agreement : • If its rotation turns clockwise is called positive moment(+). • If its rotation turns anti-clockwise is called negative moment (-). LOOK AT PICTURE Teknologi dan Rekayasa

  36. Process of arranging and describing force as graphic and analysis Arranging Force Aarranging or cumulating force by mean to determine resultant (R), by the other hand two forces or more can be combined to become one substitution which iscalled resultant (R). Teknologi dan Rekayasa

  37. Arranging Force Analyis way Graphic way Painting way Calculating way Process of arranging and describing force as graphic and analysis Can be one with two ways Teknologi dan Rekayasa

  38. Process of arranging and describing force as graphic and analysis Arranging force as painting or graphic In arranging force as painting or graphic must use force scale and imagine it well. Drawing false will influence the real of its result. Teknologi dan Rekayasa

  39. Process of arranging and describing force as graphic and analysis Graphic way Arranging Force It is in one direction work line • Example : • Arrange force P1= 50 kg and P2 = 80 kg and one direction to become resultant (R). • Finishing : • Make sure force scale such as 1cm = 20 kg • Picture vector P1 • Join vector P2from the edge of P1 Teknologi dan Rekayasa

  40. P2 Work line P1 2,5 cm 4 cm Process of arranging and describing force as graphic and analysis graphic way Work line R R = (2,5 + 4) cm x 20 = 130 kg (to the right) Teknologi dan Rekayasa

  41. Process of arranging and describing force as graphic and analysis cara grafis Arranging Force It is in one work line and the opposite with each other Example : Arrange two forces P1= 150 kg to the left and P2 = 50 kg (to the right) to be one resultant (R). Finishing : Make sure force scale such as 1cm = 25 kg Teknologi dan Rekayasa

  42. P1 P2 2,5 cm 6 cm Process of arranging and describing force as graphic and analysis Graphic way Work line Work line 4 cm Teknologi dan Rekayasa

  43. Draw vector P1 = = 6 cm • Draw vectorP1 = = 2 cm • So R = ( 6 – 2 ) cm x 25 • = 100 kg ( to the left) Process of arranging and describing force as graphic and analysis Graphic way Teknologi dan Rekayasa

  44. One keeping point/ Different keeping point Arranging Force Yang berlainan garis kerja polygon Paralelogram Process of arranging and describing force as graphic and analysis Graphic way Teknologi dan Rekayasa

  45. Process of arranging and describing force as graphic and analysis cara grafis • Arranging force with Paralelogram Arranging force with Paralelogram is very easy to do, but for different forces which is different direction and different direction keep point, cause difficult picture. Teknologi dan Rekayasa

  46. Process of arranging and describing force as graphic and analysis Graphic way Example : Determine force resultant P1 = 100 kg P2 = 100 kg P3 = 125 kg With angles like picture Teknologi dan Rekayasa

  47. Process of arranging and describing force as graphic and analysis cara grafis Finishing : • Determine force scale example 1 cm = 25 kg. • Draw force position with scale. • Make paralelogram with P1 and P2 as the edge. • Pull diagonal (from shaped angle P1 and P2 and its R1). Teknologi dan Rekayasa

  48. Process of arranging and describing force as graphic and analysis Graphic way 5. Make parallelogram with R1 and P3 as the edge. 6.Pull diagonal from shaped angle R1 and P3 and its R. 7. Measure length of R then time with force scale and its big R. Teknologi dan Rekayasa

  49. Process of arranging and describing force as graphic and analysis cara grafis Look at picture : R = 10,2 cm x 25 = 280 kg If there is a lot of its forces, so the way to use is the same with previous matter. Teknologi dan Rekayasa

  50. Process of arranging and describing force as graphic and analysis • Arrange force with polygon force To determine resultant with polygon force, we only connect first force with another, then the first connecting line of keeping point with the last edge of force is called resultant (R), whereas its direction towards the last edge of force. Teknologi dan Rekayasa

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