Next Article in Journal
Overload Control in Smart Transformer-Fed Grid
Next Article in Special Issue
Dynamic Response of a Simplified Turbine Blade Model with Under-Platform Dry Friction Dampers Considering Normal Load Variation
Previous Article in Journal
An Adaptive Buffering Scheme for P2P Live and Time-Shifted Streaming
Previous Article in Special Issue
Self-Tuning Fuzzy Control for Seismic Protection of Smart Base-Isolated Buildings Subjected to Pulse-Type Near-Fault Earthquakes
Article Menu
Issue 2 (February) cover image

Export Article

Open AccessArticle
Appl. Sci. 2017, 7(2), 201; doi:10.3390/app7020201

Preliminary Study on the Damping Effect of a Lateral Damping Buffer under a Debris Flow Load

1
State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
2
Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China
3
School of civil engineering, Southwest JiaoTong University, Chengdu 610031, China
*
Author to whom correspondence should be addressed.
Academic Editors: Gangbing Song, Steve C.S. Cai and Hong-Nan Li
Received: 29 December 2016 / Revised: 13 February 2017 / Accepted: 13 February 2017 / Published: 20 February 2017
View Full-Text   |   Download PDF [2811 KB, uploaded 20 February 2017]   |  

Abstract

Simulating the impact of debris flows on structures and exploring the feasibility of applying energy dissipation devices or shock isolators to reduce the damage caused by debris flows can make great contribution to the design of disaster prevention structures. In this paper, we propose a new type of device, a lateral damping buffer, to reduce the vulnerability of building structures to debris flows. This lateral damping buffer has two mechanisms of damage mitigation: when debris flows impact on a building, it acts as a buffer, and when the structure vibrates due to the impact, it acts as a shock absorber, which can reduce the maximum acceleration response and subsequent vibration respectively. To study the effectiveness of such a lateral damping buffer, an impact test is conducted, which mainly involves a lateral damping buffer attached to a two-degree-of-freedom structure under a simulated debris flow load. To enable the numerical study, the equation of motion of the structure along with the lateral damping buffer is derived. A subsequent parametric study is performed to optimize the lateral damping buffer. Finally, a practical design procedure is also provided. View Full-Text
Keywords: debris flow; shock absorbers; buffer; impact test; numerical simulation; parametric study debris flow; shock absorbers; buffer; impact test; numerical simulation; parametric study
Figures

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Lu, Z.; Yang, Y.; Lu, X.; Liu, C. Preliminary Study on the Damping Effect of a Lateral Damping Buffer under a Debris Flow Load. Appl. Sci. 2017, 7, 201.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top