application of shape memory alloys in seismic isolation: a review

نویسندگان

shaghayegh alvandi

m.sc., student, school of civil engineering, college of engineering, university of tehran, p.o. box: 11155-4563, tehran, iran. mehdi ghassemieh

associate professor, school of civil engineering, college of engineering, university of tehran, p.o. box: 11155-4563, tehran, iran.

چکیده

in the last two decades, there has been an increasing interest in structural engineering control methods. shape memory alloys and seismic isolation systems are examples of passive control systems that use of any one alone, effectively improve the seismic performance of the structure. characteristics such as large strain range without any residual deformation, high damping capacity, excellent re-centering, high resistance to fatigue and corrosion and durability have made shape memory alloy an effective damping device or part of base isolators. a unique characteristic of shape memory alloys is in recovering residual deformations even after strong ground excitations. seismic isolation is a device to lessen earthquake damage prospects. in the latest research studies, shape memory alloy is utilized in combination with seismic isolation system and their results indicate the effectiveness of the application of them to control the response of the structures. this paper reviews the findings of research studies on base isolation system implemented in the building and/or bridge structures by including the unique behavior of shape memory alloys. this study includes the primary information about the characteristic of the isolation system as well as the shape memory material. the efficiency and feasibility of the two mechanisms are also presented by few cases in point.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Application of Shape Memory Alloys in Seismic Isolation: A Review

In the last two decades, there has been an increasing interest in structural engineering control methods. Shape memory alloys and seismic isolation systems are examples of passive control systems that use of any one alone, effectively improve the seismic performance of the structure. Characteristics such as large strain range without any residual deformation, high damping capacity, excellent re...

متن کامل

Seismic Response Control Using Shape Memory Alloys: A Review

Shape memory alloys (SMAs) are a class of alloys that possess numerous unique characteristics. They offer complete shape recovery after experiencing large strains, energy dissipation through hysteresis of response, excellent resistance to corrosion, high fatigue resistance and high strength. These features of SMAs which can be exploited for the use in control of civil structures subjected to se...

متن کامل

Applications of Shape Memory Alloys: A Review

Shape memory alloys (SMAs) impart a potential application in a wide range in microand nano-industrial world. Classic properties such as free recovery or pseudo-elasticity still needed further specifications in smart materials or micro-actuators applications. Nowadays, a primary goal is achieved that these materials offer a price-competitive advantage compared to other functional materials desig...

متن کامل

Evaluation of Seismic Response of Concrete Structures Reinforced by Shape Memory Alloys (Technical Note)

Shape memory alloys (SMAs) are unique smart materials that have many advantages, such as ability to resist large strains without leaving residual strains and ability to recover original form. However, the high costs of SMAs have limited their usage. This paper evaluates the behavior of concrete structures equipped with SMAs in an optimal manner as they are being used along the plastic hinge of ...

متن کامل

A 3d Micro-Plane Model for Shape Memory Alloys

are compared with the experimental results. In these test results the shape memory alloys behavior as: super elasticity under various temperatures, loading rate effects, asymmetry in tension and pressure, various loops of loading and unloading, hydrostatic pressure effects, different proportional tension-shear biaxial loading and unloading, and also deviation from normality due to non-proportio...

متن کامل

Use of shape-memory alloys in construction: a critical review

Shape-memory alloys are known to have two unique characteristics: a shape-memory effect and superelasticity. The shape-memory effect is the ability of the alloys to revert to their initial shape upon being heated until they enter their phase transformation temperature. Superelasticity is where the alloys exhibit comparatively large recoverable strain. Different families of shape-memory alloys h...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
civil engineering infrastructures journal

جلد ۴۷، شماره ۲، صفحات ۱۵۳-۱۷۱

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023