Monthly Archive:: July 2012
Serviceability of a flexural beam can be achieved by limiting cracking. And the limitations on cracking can be achieved by imposing certain controls on deflections of beams. Deflection control ensures serviceability. If the deflection value is very large then it …
A beam will not fail if there is a good anchorage bond between steel and concrete. In such case, the beam will not be affected even bond get damaged along the entire span. If a valuable resistance is provided against …
Most of the reinforced beams cracks because of a loading that are well below the service level. Restrained shrinkage becomes one of the possible reasons for cracking in members. Flexural cracking is not only because of loading but, it also …
How structure will perform when it goes under load? It’s all depends on the type of stress, stress strain relationship and the properties of the material from which it is made. The stress – strain relationship has an importance in …
When the temperature changes then expansion and contraction of bricks occurs in the structure and that cause cracking in the building. This happens, in case of no provision of movement joints in the structure during construction. Movement joints are provided …
Conveying of concrete from the mixer or from transit mixer truck for most of the building is done either in dump buckets or by pumping. During conveying, one of the most important risk is of concrete segregation. Segregation is the …
With the passage of time, technology is getting more advanced and there has been a rapid growth in the concrete properties. Concrete is improving day by day. There is not yet been an exact definition of a word high strength …
The quality control is one of the most important aspects taken into account during the manufacturing of the materials. By little variation in water to cement ratio, strength drops very much. The cracking arises very easily in concrete because of …
When exposed area is large then temperature effect is also considered. Because, concrete expands with the increase in temperature and in the same manner it contracts with the decreasing temperature. This type of change in volume is similar to one …
Mineral admixtures and chemical admixtures are the extra ingredients other than water, cement, aggregates and fibers. These are added to the concrete batch plant during batch mixing or at the start when other quantities are added. Admixtures offer very favorable …