10.01.03.012
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Temperature & shrinkage effect on structural analysis: 1.Introduction:The deformation of structure can be occurred by stresses caused by external loads. But deformation & volume changes can also occur without any external loading. The most important of these are shrinkage & temperature effect. 2.Reasons for shrinkage: a.By evaporation of water. b.Drying of concrete. c.Increasing of temperature. 3.Temperature & Shrinkage effect: a.It may cause deleterious crack as in slabs,walls etc. b.In structure that are statically indeterminate & most concrete structure, it may cause large & harmful stresses. c.It may cause deformation of total structure. d.It may affect to the fixed joint. 4.Cracks due to temperature & shrinkage effect. 5.shrinkage crack. 6.Crack in wall. 7.Due to accident massive change in temperature of the structure causes the fall of twin tower. 8.Matter of concern during design: a. Careful during selection of material b.By analyzing previous weather report. c.By analyzing previous max temperature record. d. By predicting the future condition. e.The coefficient of thermal expansion & contraction should be within the allowable range. f.By increasing aggregate content. g.By adjusting water content. h.Careful curing is needed.
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10.01.03.012
- 2. PRESENTATION ON TEMPERATURE & SHRINKAGE EFFECT ON STRUCTURAL ANALYSIS
- 4. Introduction: The deformation of structure can be occurred by stresses caused by external loads. But deformation & volume changes can also occur without any external loading. The most important of these are shrinkage & temperature effect.
- 5. Structure mainly two types: 1.R.C.C Structure: 2. Steel Structure:
- 6. Reasons for shrinkage: 1.By evaporation of water. 2.Drying of concrete. 3.Increasing of temperature
- 7. Temperature & Shrinkage effect: 1.It may cause deleterious crack as in slabs,walls etc. 2.In structure that are statically indeterminate & most concrete structure, it may cause large & harmful stresses. 3.It may cause deformation of total structure. 4.It may affect to the fixed joint.
- 8. Cracks due to temperature & shrinkage effect:
- 10. Crack in wall:
- 12. Shrinkage in an unrestrained reinforced concrete member :
- 13. Shrinkage in a restrained reinforced concrete member :
- 14. Due to accident massive change in temperature of the structure causes the fall of twin tower:
- 15. Matter of concern during design: 1. Careful during selection of material 2.By analysing previous weather report. 3.By analysing previous max temperature record. 4. By predicting the future condition. 5.The coefficient of thermal expansion & contraction should be within the allowable range. 6.By increasing aggregate content. 7.By adjusting water content. 8.Careful curing is needed.
- 16. THANK YOU..
- 17. ANY QUISTION