BE  AWARE OF EARTHQUAKE !
Shaking is dangerous ……… If Shilpa Shetty shakes,  many hearts fail. If ground shakes,  many buildings fail.
Damages  due to EARTHQUAKE
 
 
 
 
 
 
 
 
 
 
Earthquake  not only  damages buildings  but also  takes lives.
 
Why not we take precaution to save our lives ?
SAFETY PRECAUTION  OF BUILDINGS  IN  SEISMIC ZONES Engineers' Unity for Technical Development Welcome to
<ul><li>TOTAL ZONES:4  (ZONE- II, III, IV &V) </li></ul>Engineers' Unity for Technical Development II IV V Seismic Zones III
<ul><li>comes under </li></ul><ul><li>2 seismic zones  </li></ul><ul><li>i.e.  Zone – II & III </li></ul>EAST COAST RAILWA...
<ul><li>FRAMED  & </li></ul><ul><li>BOX TYPE </li></ul><ul><li>(popularly known as Load Bearing Masonry) </li></ul>TYPE OF...
BIS CODES TO BE FOLLOWED FOR  SEISMIC RESISTANCE <ul><li>IS 1893( PART-1)-2002 </li></ul><ul><li>(FOR ALL CONSTRUCTIONS) <...
BRIEF ON  FRAMED CONSTRUCTION Engineers' Unity for Technical Development
BAR BENDING  TO BE CHECKED AT SITE   (AT COLUMN-BEAM JUNCTION) Ld + 10 dia of bar WRONG CORRECT Engineers' Unity for Techn...
(LATERAL TIES &  SHEAR REINFORCEMENT) <ul><li>IMPORTANT NOTE FOR LAPPING OF BARS </li></ul><ul><li>LAPPING OF BAR SHOULD N...
FOCUS ON LOAD BEARING CONSTRUCTION Engineers' Unity for Technical Development
BUILDING  CATEGORIES <ul><li>Depends on IMPORTANCE FACTOR “ I ” </li></ul><ul><li>HOSPITALS, SCHOOLS,MONUMENTAL STRUCTURES...
BUILDING CATEGORIES (ZONEWISE) Engineers' Unity for Technical Development D C 1.5 C B 1.0 Zone-III Zone-II I
HEIGHT  OF BUILDING <ul><li>MAXIMUM HEIGHT = 15.00 m  </li></ul><ul><li>(from mean ground level to top of roof slab) </li>...
MORTAR MIX   (MINIMUM) Engineers' Unity for Technical Development 1 : 4 D 1 : 6 B & C cement : sand Category
CONCRETE GRADE   (MINIMUM) <ul><li>FOR RCC WORK : M20  (as per IS 456:2000) </li></ul><ul><li>(1 cement:1.5 sand:3 aggrega...
BRICKS <ul><li>The crushing strength should not be less than 35 Mpa (N/mm 2 ) </li></ul>Engineers' Unity for Technical Dev...
SEISMIC STRENGTHENING ARRANGEMENTS <ul><li>BANDS (a, b & c) </li></ul><ul><li>VERTICAL STEEL AT CORNERS & JUNCTION OF WALL...
REQUIREMENTS Engineers' Unity for Technical Development a,b,c,d,e &  DOWEL BARS 3 & 4 a,b,c,d,e 1 & 2 D a,b,c,d,e 3 & 4 a,...
<ul><li>NOTES </li></ul><ul><li>PLINTH BAND (a) : It is to be provided where strip footings of masonry (other than RCC) ar...
<ul><li>Two bars in lintel band (over walls):   </li></ul><ul><li>Minimum thickness was 75 mm for two bars. However, it wi...
<ul><li>Four bars in lintel band (very common): </li></ul><ul><li>Minimum thickness was 150 mm for four bars. However, it ...
ARRANGEMENT OF BARS IN ANY BAND <ul><li>FOR DETAILS OF BARS, REFER TABLE-6 OF IS 4326 </li></ul><ul><li>FOR ROOM SIZE GREA...
 
SIZE & POSITION  OF OPENINGS IN WALLS <ul><li>X = Distance from the inside corner of outside wall  </li></ul><ul><li>For B...
ARRANGEMENT OPENING REINFORCED   CONCRETE WALL LINTEL BAND Engineers' Unity for Technical Development WALL
FOR FURTHER SAFETY STANDARDS IN BUILDINGS REFER IS 4326 : 1993 Engineers' Unity for Technical Development
HAVE  A BEAUTIFUL  &  SAFE BUILDING Engineers' Unity for Technical Development
<ul><li>EAST COAST RAILWAY </li></ul><ul><li>ENGINEERS ASSOCIATION </li></ul><ul><li>BHUBANESWAR </li></ul><ul><li>(Affili...
T H A N Q  U  A L L Engineers' Unity for Technical Development
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1 -safety of buildingd-bobin moahnty

  1. 1. BE AWARE OF EARTHQUAKE !
  2. 2. Shaking is dangerous ……… If Shilpa Shetty shakes, many hearts fail. If ground shakes, many buildings fail.
  3. 3. Damages due to EARTHQUAKE
  4. 14. Earthquake not only damages buildings but also takes lives.
  5. 16. Why not we take precaution to save our lives ?
  6. 17. SAFETY PRECAUTION OF BUILDINGS IN SEISMIC ZONES Engineers' Unity for Technical Development Welcome to
  7. 18. <ul><li>TOTAL ZONES:4 (ZONE- II, III, IV &V) </li></ul>Engineers' Unity for Technical Development II IV V Seismic Zones III
  8. 19. <ul><li>comes under </li></ul><ul><li>2 seismic zones </li></ul><ul><li>i.e. Zone – II & III </li></ul>EAST COAST RAILWAY Engineers' Unity for Technical Development
  9. 20. <ul><li>FRAMED & </li></ul><ul><li>BOX TYPE </li></ul><ul><li>(popularly known as Load Bearing Masonry) </li></ul>TYPE OF BUILDING CONSTRUCTION Engineers' Unity for Technical Development
  10. 21. BIS CODES TO BE FOLLOWED FOR SEISMIC RESISTANCE <ul><li>IS 1893( PART-1)-2002 </li></ul><ul><li>(FOR ALL CONSTRUCTIONS) </li></ul><ul><li>IS 13920-1993 </li></ul><ul><li>(FOR FRAMED CONSTRUCTION) </li></ul><ul><li>IS 4326-1993 </li></ul><ul><li>(FOR BRICK MASONRY CONSTRUCTION) </li></ul>Engineers' Unity for Technical Development
  11. 22. BRIEF ON FRAMED CONSTRUCTION Engineers' Unity for Technical Development
  12. 23. BAR BENDING TO BE CHECKED AT SITE (AT COLUMN-BEAM JUNCTION) Ld + 10 dia of bar WRONG CORRECT Engineers' Unity for Technical Development REINFORCEMENT COLUMN BEAM REINFORCEMENT COLUMN BEAM
  13. 24. (LATERAL TIES & SHEAR REINFORCEMENT) <ul><li>IMPORTANT NOTE FOR LAPPING OF BARS </li></ul><ul><li>LAPPING OF BAR SHOULD NOT BE PROVIDED INBETWEEN QUARTER LENGTH OF MEMBER FROM JOINT & IT SHOULD BE STAGGERED. </li></ul>WRONG CORRECT Engineers' Unity for Technical Development 45 0 10 x dia of bar 45 0
  14. 25. FOCUS ON LOAD BEARING CONSTRUCTION Engineers' Unity for Technical Development
  15. 26. BUILDING CATEGORIES <ul><li>Depends on IMPORTANCE FACTOR “ I ” </li></ul><ul><li>HOSPITALS, SCHOOLS,MONUMENTAL STRUCTURES, TELEPHONE EXCHAGES, LARGE COMMUNITY BUILDINGS, STATION BUILDINGS, etc. : I =1.5 </li></ul><ul><li>OTHER BUILDINGS : I =1.0 </li></ul>Engineers' Unity for Technical Development
  16. 27. BUILDING CATEGORIES (ZONEWISE) Engineers' Unity for Technical Development D C 1.5 C B 1.0 Zone-III Zone-II I
  17. 28. HEIGHT OF BUILDING <ul><li>MAXIMUM HEIGHT = 15.00 m </li></ul><ul><li>(from mean ground level to top of roof slab) </li></ul><ul><li>MAXIMUM STOREY = 4 STOREYS </li></ul><ul><li>ZONE-II </li></ul><ul><li>4 storeys for all categories </li></ul><ul><li>ZONE-III </li></ul><ul><li> preferably 2 storeys for important categories & </li></ul><ul><li>4 storeys for other categories </li></ul>
  18. 29. MORTAR MIX (MINIMUM) Engineers' Unity for Technical Development 1 : 4 D 1 : 6 B & C cement : sand Category
  19. 30. CONCRETE GRADE (MINIMUM) <ul><li>FOR RCC WORK : M20 (as per IS 456:2000) </li></ul><ul><li>(1 cement:1.5 sand:3 aggregates) </li></ul><ul><li>FOR MCC WORK : M15 (as per IS 456:2000) </li></ul><ul><li>(1 cement:2 sand:4 aggregates) </li></ul>Engineers' Unity for Technical Development
  20. 31. BRICKS <ul><li>The crushing strength should not be less than 35 Mpa (N/mm 2 ) </li></ul>Engineers' Unity for Technical Development
  21. 32. SEISMIC STRENGTHENING ARRANGEMENTS <ul><li>BANDS (a, b & c) </li></ul><ul><li>VERTICAL STEEL AT CORNERS & JUNCTION OF WALLS (d) </li></ul><ul><li>VERTICAL STEEL AT JAMBS OF WINDOW (e) </li></ul>PLINTH BAND (a) LINTEL BAND (b) ROOF BAND (c) P.L. Engineers' Unity for Technical Development
  22. 33. REQUIREMENTS Engineers' Unity for Technical Development a,b,c,d,e & DOWEL BARS 3 & 4 a,b,c,d,e 1 & 2 D a,b,c,d,e 3 & 4 a,b,c 1 & 2 C a,b,c,d 4 a,b,c 1 to 3 B PROVISION NO OF STOREYS CATEGORY
  23. 34. <ul><li>NOTES </li></ul><ul><li>PLINTH BAND (a) : It is to be provided where strip footings of masonry (other than RCC) are used and soil is either soft or uneven in its properties as frequently happens in hilly areas. </li></ul><ul><li>The top of all lintels (over openings & walls) should be at one level. </li></ul>BANDS
  24. 35. <ul><li>Two bars in lintel band (over walls): </li></ul><ul><li>Minimum thickness was 75 mm for two bars. However, it will be more based on exposure condition as per IS 456 : 2000. </li></ul><ul><li>Mild Exposure condition: thickness = 75 mm (clear cover = 33 mm) </li></ul><ul><li>Moderate Exposure condition: thickness = 90 mm (clear cover = 38 mm) </li></ul><ul><li>Severe Exposure condition: thickness = 115 mm (clear cover = 53 mm) </li></ul>
  25. 36. <ul><li>Four bars in lintel band (very common): </li></ul><ul><li>Minimum thickness was 150 mm for four bars. However, it will be more based on exposure condition as per IS 456 : 2000. </li></ul><ul><li>Mild Exposure condition, thickness = 150 mm (clear cover = 33 mm) </li></ul><ul><li>Moderate Exposure condition, thickness = 150 mm (clear cover = 38 mm) </li></ul><ul><li>Severe Exposure condition, thickness = 175 mm (clear cover = 53 mm) </li></ul>
  26. 37. ARRANGEMENT OF BARS IN ANY BAND <ul><li>FOR DETAILS OF BARS, REFER TABLE-6 OF IS 4326 </li></ul><ul><li>FOR ROOM SIZE GREATER THAN 8.OO m, IT IS DESIRED TO INSERT PILLASTERS/BUTTRESSES TO REDUCE THE LENGTH </li></ul>THICKNESS TWO BARS FOUR BARS
  27. 39. SIZE & POSITION OF OPENINGS IN WALLS <ul><li>X = Distance from the inside corner of outside wall </li></ul><ul><li>For B category, x = zero </li></ul><ul><li> C category, x = 230 mm </li></ul><ul><li> D category, x = 450 mm </li></ul><ul><li>For other details, refer Table – 4 of IS 4326 </li></ul><ul><li>If openings do not comply with above, they should be strengthened by providing reinforced concrete as shown in next page. </li></ul>x
  28. 40. ARRANGEMENT OPENING REINFORCED CONCRETE WALL LINTEL BAND Engineers' Unity for Technical Development WALL
  29. 41. FOR FURTHER SAFETY STANDARDS IN BUILDINGS REFER IS 4326 : 1993 Engineers' Unity for Technical Development
  30. 42. HAVE A BEAUTIFUL & SAFE BUILDING Engineers' Unity for Technical Development
  31. 43. <ul><li>EAST COAST RAILWAY </li></ul><ul><li>ENGINEERS ASSOCIATION </li></ul><ul><li>BHUBANESWAR </li></ul><ul><li>(Affiliated with ALL INDIA RAILWAY ENGINEERS FEDERATION) (AIREF) </li></ul>Courtesy Engineers' Unity for Technical Development
  32. 44. T H A N Q U A L L Engineers' Unity for Technical Development

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