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Summer training ppt on cc road construction

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Summer training ppt on cc road construction

  1. 1. JAIPUR ENGINEERING COLLEGE AND RESEARCH CENTRE • A Presentation • On • Cement Road Construction • SUBMITTED TO:- SUBMITTED BY:- Mr. YOGESH AGARWAL VIJAYPAL BAGARIYA • (ASSISTANT PROFESSOR VIJENDRA SAINI • OF CIVIL DEPARTMENT )
  2. 2. Using mix Concrete, there Some Point to Construct the road- • 1. preparation of Subgrade • 2. Preparation of base • 3. Watering of base 4. Formwork • 5. Joints • 6. Material mix & placing • 7. Compaction
  3. 3. 8. Finishing of Surface 9. Curing • 10. Joint filling & Edging • 11. Open to traffic
  4. 4. 1.Preparation of Subgrade • 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 slope. • When concrete direct laid on subgrade, For preventing the water-seepaging into the soil , used water proof paper on entire length.
  5. 5. 2.Preparation of Base W.B.M. base :- As base material of W.B.M. Road; stone ballast & concrete 10-15cm layer are used With Water.  For bonding between concrete slab & W.B.M. used 1:2 cement wash on W.B.M. •
  6. 6. 3.Watering of Base • If base is dry then using the sprinkling process on it properly after that placing the concrete.
  7. 7. 4. Formwork • Material for formwork:- • Wooden sheets, battens, plywood, fibre hard board, steel plates, angles, rope, minerals. 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. After 24hrs form work displaced next length of road.
  8. 8. 5. Joints  Where it 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. Types of joints:- • 1. Logitudinal Joints • 2. Transverse Joints
  9. 9. 6. Material Mix & Placing • Mixer is equipment that mix the concrete using cement, concrete, sand and water.
  10. 10. 7. Compaction • 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. 8. Finishing of Surface For levelling the surface use floating, screeding , power trowel. So that there is no acceptable more than 3mm variation in concrete level surface.
  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. • Some method of curing are:- • 1. Covering with gunny bags • 2. Sprinkling of water • 3.By ponding • 4. Membrane curing • 5. Steam curing
  13. 13. 10. Filling Joint & Edging  After drying road, clean the joints and fill the shelling compound or hot bitumen .  Also bitumen fill road bank. To protect damaging the sides of concrete pavements used over burnt brick work.  In place of brick, provided kerb of pre mix concrete.
  14. 14. 11. Open to Traffic Generally after a month, road should be open to traffic.  If used rapid hardening cement it take 7 days to open traffic.

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