Many strengthening techniques are available depending on the purpose needed from strengthening. Some of those techniques are explained in details in the following sections. Why do we strengthen or retrofit buildings? Increase in the applied loads. Mistakes or unsafe design.... (Continue reading)
The construction joint shall be pre decided and fixed prior to start of the concreting. It is planned to have two construction joints for main building as decided. In case of major break down of the Batching plant, the additional... (Continue reading)
What is a flat slab? •a reinforced concrete slab supported directly by concrete columns without the use of beams Uses of column heads: •increase shear strength of slab •reduce the moment in the slab by reducing the clear or effective... (Continue reading)
Portal Frame Design with Example Design Steps: 1. Design of slabs 2. Preliminary design of beams and columns 3. Analysis 4. Design of beams 5. Design of Columns 6. Design of footings Problem: A portal frame hinged at base has... (Continue reading)
SLABS The floor construction of a dwelling must fulfill several criteria and the following design functions must be taken into consideration. n The provision of a uniform, level surface n Sufficient strength and stability n Exclusion of dampness from inside... (Continue reading)
Concrete with strengths above 50 MPa is currently used due to an increasing requirement for higher strengths and improved long-term properties. HSC is being utilised in many projects. High-strength concrete members exhibit, in some instances, different failure mechanisms and simply... (Continue reading)