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SUMMER TRAINING PRESENTATION
U.P. PWD. LUCKNOW
H.O.D CIVIL
ENGINEERING
MR. A.P.SINGH
BANSAL INSTITUTE OF
ENGINEERING. &
...
2
INTRODUCTION
 Development of a country depends on the connectivity of various places
with adequate road network.
 Road...
3
TYPES OF PAVEMENTS
There are various types of pavements depending upon the materials used; a
briefs description of all t...
4
Longitudinal joint
Transverse joint
Subgrade
Base
Surface Texture
Surface smoothness Thickness Design
Dowel bars
Concret...
1. Preparation of base
2. Form working
3. Preparation of subgrade
4. Watering of base
5. Joints
6. Material mix & placing
...
1. As base material of W.B.M. Road; stone ballast, concrete 10-15cm
layer are used. For bonding between concrete slab & W....
Material for form work-
Wooden sheets, battens, plywood, fibre hard board, steel plates.
1. before using form work, it sho...
Where is necessary to provide transverse,
Longitudinal joints; there wedge of woods,
metals fix on level of concrete.
Afte...
Mixer is equipment that mix the concrete using distinct
amount of cement , concrete, sand and water. Concrete
slab should ...
8. Finishing of surface
1.Floating-
For levelling the surface use floating, scree-
ding , power trowel. So that there is n...
2.Belting-
For making surface clean used belting
process. Belt is nothing but a 15-30cm thick
sheets of canvass which have...
9. Curing
Curing is the name of increasing the hydration process
of cement.
after setting the concrete , curing process do...
11. Edging
To protect damaging the sides of concrete
pavements used over burnt brick work.
in place of brick, provided ker...
THANK YOU.
14
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Mukesh ppt cc road

  1. 1. 1 SUMMER TRAINING PRESENTATION U.P. PWD. LUCKNOW H.O.D CIVIL ENGINEERING MR. A.P.SINGH BANSAL INSTITUTE OF ENGINEERING. & TECHNOLOGY LUCKNOW MUKESHKUMAR JAISWAL VII SEM 1342200093 SUBMITTED TO - SUBMITTED BY -
  2. 2. 2 INTRODUCTION  Development of a country depends on the connectivity of various places with adequate road network.  Roads constitute the most important mode of communication in areas where railways have not developed much.  India has one of the largest road networks in the world (over 3 million km at present).For the purpose of management and administration, roads in India are divided into the following five categories: • National Highways (NH) • State Highways (SH) • Major District Roads (MDR) • Other District Roads (ODR) • Village Roads (VR)
  3. 3. 3 TYPES OF PAVEMENTS There are various types of pavements depending upon the materials used; a briefs description of all types is given here- FLEXIBLE PAVEMENT Bitumen has been widely used in the construction of flexible pavements for a long time.  Have low flexural strength  Load is transferred by grain to grain contact  Have low completion cost but repairing cost is high  Have low life span (High Maintenance Cost) RIGID PAVEMENT Rigid pavements, though costly in initial investment, are cheap in long run because of low maintenance costs. Deformation in the sub grade is not transferred to subsequent layers. Have high flexural strength. No such phenomenon of grain to grain load transfer exists. Life span is more as compare to flexible (Low Maintenance Cost).
  4. 4. 4 Longitudinal joint Transverse joint Subgrade Base Surface Texture Surface smoothness Thickness Design Dowel bars Concrete materials Tiebars Basic Components of a Concrete Pavement
  5. 5. 1. Preparation of base 2. Form working 3. Preparation of subgrade 4. Watering of base 5. Joints 6. Material mix & placing 7. Compaction 8. Finishing of surface 9. Floating 10. Belting 11 Curing 12. Joint filling 13. Edging 14. Open to traffic 5
  6. 6. 1. As base material of W.B.M. Road; stone ballast, concrete 10-15cm layer are used. For bonding between concrete slab & W.B.M. used 1:2 cement wash on W.B.M. 2. Concrete base On the road used 10cm Cement concrete(1:2:4). 1. Rolling on sub grade by roller 2. Filling the granular soil in the weak part and pot holes 3. Correct the soil coat , Camber , longitudinal slop When concrete direct laid on subgrade, For preventing the water-seepaging into the soil , used water proof paper on entire length. 6
  7. 7. Material for form work- Wooden sheets, battens, plywood, fibre hard board, steel plates. 1. before using form work, it should free from all type material like as dust ,cement. 2. To placing the concrete in appropriate depth used 2.5-5cm thick and 3mtr long wooden sheeting. 3. The depth of wooden block must be same as level of slab thick. 4. After 24hrs form work displaced next length of road. If base is dry Than using the sprinkling process on it properly after that placing the concrete. 7
  8. 8. Where is necessary to provide transverse, Longitudinal joints; there wedge of woods, metals fix on level of concrete. After setting of concrete it should be pull out. If provided the dowel bar in joints, bars should be fit at right position. 8
  9. 9. Mixer is equipment that mix the concrete using distinct amount of cement , concrete, sand and water. Concrete slab should have more than 5-10cm thick cause of drying. Used two type mixer- 1. Batch mixer- at site, used for small road construction 2. Continuous mixer- Continuous mixer used for large construction . if distance is more from site , mix concrete transported at site within setting time. 9
  10. 10. 8. Finishing of surface 1.Floating- For levelling the surface use floating, scree- ding , power trowel. So that there is no acceptable more than 3mm variation in concrete level surface. 10 Purpose of compaction is that to pull out air from void and make concrete harden. Compaction done by- 1. mechanically surface vibrator 2. manually hand tempers
  11. 11. 2.Belting- For making surface clean used belting process. Belt is nothing but a 15-30cm thick sheets of canvass which have more length than road. 3. Brooming- Brooming is the process in which we made rough surface parallel to road by brush. It useful in avoiding slip & comfortable travelling on road . 11
  12. 12. 9. Curing Curing is the name of increasing the hydration process of cement. after setting the concrete , curing process done till 14-28days. 12 10. Filling joint After drying road, clean the joints and fill the shelling compound or hot bitumen . 12
  13. 13. 11. Edging To protect damaging the sides of concrete pavements used over burnt brick work. in place of brick, provided kerb of pre mix concrete. 13 Generally after a month, road should be open to traffic. If used rapid hardening cement it take 7 days to open traffic. 13
  14. 14. THANK YOU. 14

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