Seismic Behavior Of Isolated Bridges

Introduction
Bridges are lifeline structures. They act, as an important page link in surface transportation network and failure of bridges during a seismic event will seriously hamper the relief and rehabilitation work. There are many cases of damage of bridges in the past earthquakes all over the world. Due to their structural simplicity, bridges are particularly vulnerable to damage and even collapse when subjected to earthquakes. The fundamental period of vibration of a majority of bridges is in the ....etc

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POLY JET PROCESS

PRESENTED BY
K.SRI RAM VIKAS
V.S.R.KISHORE.B
D.M.S S.VH COLLEGE OF ENGINEERING, Machilipatnam, AP- 521002


Different types of RP methods

The Poly jet process
Stereo lithography (SLA for stereo lithography apparatus),
Selective laser sintering (SLS),
Fused deposition modeling (FDM),
Laminated object manufacturing (LOM),
Inkjet systems and three dimensional printing (3DP).
Solid Ground Curing


Rapid prototyping is a layer -based fabrication that quickly create ....etc

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Analysis of soil classification using normalized piezocone parameters
Analysis of soil classification using normalized piezocone parameters

Introduction
The number of variables which influence cone tip resistance, penetration pore pressures, and CPT sleeve friction typically exceed the range of variables covered by databases of sites used for calibration of correlations for soil classification charts. Therefore, it is important to understand the mechanisms which influence piezocone parameters during the development of design recommendati ....etc

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Poly Fuse

Polyfuse is a new standard for circuit protection. It is resettable. Many manufacturers also call it polyswitch or multifuse. Polyfuses are not fuses but polymeric positive temperature co-efficient (PPTC) thermistors.

Current limiting can be accomplished by using resistors , fuses , switches or positive temperature co-efficient devices. Resistors are rarely an acceptable solution because the high power resistors that are usually required are expensive. One-shot fuses can be used, but they might fatigue, and they must be replaced ....etc

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Polyfuses is a new standard for circuit protection. It is re-settable by itself. Many manufactures also call it as Polyswitch or Multifuse. Polyfuses are not fuses but Polymeric Positive temperature Coefficient Thermistors (PPTC). We can use several circuit protection schemes in 'power supplies to provide protection against fault condition and the resultant and over temperature damage. Current can be accomplished by using resistors, fuses, switches, circuit breakers or positive temperature coefficient devices.Resistors are rarely an acceptable ....etc

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Non-Linear Analysis and Design of Perforated Thin-walled Steel Strutures

Introduction
Perforated thin-walled steel structures are widely used, however, current design guidelines for them are limited to very few specific cases.
The seminar will try to describe a proposed method to develop new design guidelines for this kind of structures by using the Direct Strength Method (DSM) which is a fast and easy design method for cold-formed steel structures, with great potential for complex and optimized cross sections.

Based on the recently de ....etc

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