搜索结果: 1-15 共查到“防灾减灾工程及防护工程 Seismic”相关记录23条 . 查询时间(0.093 秒)
A simplified design procedure for seismic retrofit of earthquake-damaged RC frames with viscous dampers
simplified seismic design procedure viscous damper RC frame energy dissipation equivalent damping ratio
2014/4/10
The passive energy dissipation technology has been proven to be reliable and robust for recent practical applications. Various dampers or energy dissipation devices have been widely used in building s...
Performance-based seismic analysis and design of code-exceeding tall buildings in Mainland China
performance-based seismic design tall buildings performance objective non-prescriptive performance evaluation
2014/4/10
Design codes provide the minimum requirements for the design of code-compliant structures to ensure the safety of the life and property. As for code-exceeding buildings, the requirements for design ar...
Seismic Behavior of Steel Buildings with Combined Rigid and Semi-Rigid Frames
Semi-rigid steel frames Welded connections Bolted connections Seismic behavior Connection rigidity
2009/10/12
The 1994 Northridge Earthquake (USA) has shown the vulnerability of welded moment connections in steel moment resisting frames (MRFs) subject to severe earthquake ground motions (EQGMs). Since then, a...
A SEISMIC RISK ASSESSMENT PROCEDURE FOR GRAVITY TYPE QUAY WALLS
quay wall deformation seismic risk seismic performance
2009/1/6
A seismic risk assessment procedure based on the fragility curve concept is proposed in this paper. First, damage criteria for gravity type quay walls in terms of normalized seaward displacement are ...
3D NONLINEAR PARALLEL FEM ANALYSIS FOR SEISMIC EARTH PRESSURES OF A SATURATED SOIL LAYER
parallel processing dynamic response earth pressure saturated layer
2009/1/6
In this study a 3D nonlinear parallel FEM formulation was derived for dynamic soil structure interaction problems. To express the nonlinear property of the saturated soil the simplified bounding su...
SEISMIC RISK IN GREECE: WHAT RECENT EARTHQUAKES HAVE TAUGHT US
Greece seismic risk seismic hazard seismic codes
2009/1/6
The following factors are identified to have a critical effect on seismic risk in Greece. First, exposure to seismic hazard is strongly non-uniform, with over half of the country’s 10 million populat...
ASSESSMENT OF SEISMIC HAZARD AND MICROZONING IN THE PHILIPPINES
seismic hazard hazard-consistent ground motion simulation soil amplification factor
2009/1/6
Seismic hazard and microzoning of the Philippines are presented. Seismic hazard analysis of the Philippines on rock-surface level is done to all land areas of the country. The analysis includes both ...
SEISMIC PERFORMANCE EVALUATION CHARTS FOR GRAVITY TYPE QUAY WALLS
quay wall liquefaction deformation seismic coefficient
2009/1/5
More than two hundred cases of effective stress analyses with variation of seismic coefficients and liquefaction resistance were conducted. Among the parameters considered in this study, the most sen...
INELASTIC SEISMIC RESPONSE OF BRIDGE PILES: EFFECTS OF SUPERSTRUCTURE PROPERTIES AND SOIL LAYERING
soil-pile interaction nonlinear behavior layered soil vertical excitation
2009/1/5
This paper has dealt with the nonlinear behavior of pile-supported bridge during earthquake motions. The formulation takes the FEM-BEM technique; the FEM for the near structure zone while the BEM for...
PARAMETRIC STUDY ON STEEL TOWER SEISMIC RESPONSE OF CABLE-STAYED BRIDGES UNDER GREAT EARTHQUAKE GROUND MOTION
steel tower cable-stayed bridge energy dissipation
2008/12/30
Analytical parametric study on dynamic characteristics of steel tower of cable-stayed bridges is performed to investigate the individual influence of different design aspects, such as damping mechani...
OPTIMIZATION OF DESIGN SEISMIC COEFFICIENT BASED ON TOTAL EXPECTED COST FOR GRAVITY TYPE QUAY WALLS
quay wall seismic coefficient seismic risk risk management
2008/12/30
An optimization procedure for the design seismic coefficient for gravity type quay walls is discussed based on the risk management concept. First, seismic risk evaluation for 280 ports in Japan is co...
VELOCITY-BASED DESIGN OF SEISMIC UNSEATING PREVENTION CABLE AND SHOCK ABSORBER FOR BRIDGES
bridge unseating prevention system response velocity impact stress shock absorber
2008/12/29
The design of connecting devices for preventing bridge girders from becoming unseated during strong seismic motion is extended to include consideration of the velocity response of the bridge. The nec...
A STUDY ON FORCE-DISPLACEMENT-BASED SEISMIC DESIGN OF SINGLE-COLUMN RC PIERS
acceleration-displacement response spectrum modified Park-Ang damage index
2008/12/29
As a fundamental study to develop a force-displacement-based seismic design of RC piers, the acceleration-displacement response spectrum (ADRS) of SDOF systems with elastic-plastic bilinear restoring...
SEISMIC PERFORMANCE OF SLIDING ISOLATION BEARINGS DURING VERTICAL MOVEMENT OF BRIDGE GIRDERS
sliding bearings friction coefficient impact tests uplift PTFE
2008/12/25
The behavior of sliding isolation bearings with respect to vertical movement due to earthquake excitation is investigated through experiments and simulations. Bridge girders may undergo vertical moti...
A STUDY ON SEISMIC ANALYSIS METHODS IN THE CROSS SECTION OF UNDERGROUND STRUCTURES USING STATIC FINITE ELEMENT METHOD
underground structure seismic design substructure method static finite element method seismic load
2008/12/24
Based on the dynamic substructure technique, the author proposes a static seismic analysis method, the Ground Response Method, for underground structures modeled on the structure and surrounding s...