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Dr. Suresh Bhalla is Professor at the Department of Civil Engineering, IIT Delhi. His main areas of interest are smart structures, structural health monitoring, electro-mechanical...
Dr. SURESH BHALLA. Professor (Higher Administrative Grade) Department of Civil Engineering, IIT Delhi. President & Founder , Indian Structural Health Monitoring Society (ISHMS) Founder and Mentor, Smart Structures & Dynamics Lab (SSDL) and Structural Simulation Lab (SSL) Co PI and LDC Virtual Labs Project . Research Areas of Interest
A mechanical impedance approach for structural identification, health monitoring and non-destructive evaluation using piezo-impedance transducers. S Bhalla. 107. 2004. Dual use of PZT patches as sensors in global dynamic and local electromechanical impedance techniques for structural health monitoring.
- WHEN PILES SHOULD BE USED??
- INPUTS FROM SOIL REPORT
- Lateral load capacity
- DESIGN OF PILE FOUNDATION SYSTEM
- yt = M + H * D
- If oversafe
- 3.5 * Pile diameter or 1050mm (whichever is more)
- DESIGN FOR BENDING
- Critical section for one way shear
- CHECK FOR TWO WAY SHEAR
Soil is too weak Predominantly lateral loads High possibility of uplift Under marine environment The structural engineer should choose foundation type in consultation with the Geotechnical Engineer.
Pile type, diameter and length Load capacity in compression Load capacity in uplift
In addition, good Geotechnical Engineers generally provide pile reinforcement. Otherwise, they should provide details of lateral load analysis.
Number and layout of piles (pile layout) Will depend on the load and moments at the base of the columns. Design of pile caps
y x NUMBER AND LAYOUT OF PILES NUMBER AND LAYOUT OF PILES
Reduce number of piles NUMBER AND LAYOUT OF PILES P M y Hx D
It is always advisable to send the pile layout drawing to the Geotechnical engineer before approving for construction STRUCTURAL DESIGN
P Hx D F T Critical section for bending moment Top and bottom reinforcements can be found similar to an isolated footing
Face of col. In case of tension Safety against one way shear can be found similar to an isolated footing in case of footings on soil and at a distance equal to half the effective depth CHECK FOR ONE WAY SHEAR
P Critical section for two way shear Safety against two way shear can be found similar to an isolated footing
Dr. Suresh Bhalla Associate Professor Department of Civil Engineering Indian Institute of Technology Delhi Specialized Area:Specialized Structural health monitoring; Smart materials and structures; Nondestructive evaluation; System identification; Adaptation and transfer of aerospace technologies to mechanical and civil engineering systems;
Prof Suresh Bhalla. Male. Department of Civil Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi -110016 New Delhi, Delhi, India - 110016. http://web.iitd.ernet.in/~sbhalla/.
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- Indian Institute of Technology, Delhi
