In recent decades, many researchers have focused their attention on seismic evaluation and vulnerability of structures before and after the earthquakes. As recognizing the structure condition after an earthquake is of vital importance, the capability of enduring future earthquakes and continuous serviceability through estimating structural damage is defined … - Download [PDF]
In recent decades, many researchers have focused their attention on seismic evaluation and vulnerability of structures before and after the earthquakes. As recognizing the structure condition after an earthquake is of vital importance, the capability of enduring future earthquakes and continuous serviceability through estimating structural damage is defined …
The seismic capacity of a structure is determined by the performance index that reaches its ultimate bearing or deformation capacity first. This paper presents a multi-index seismic capacity evaluation method for accurately evaluating the seismic capacity of a structure. The normalized response curves of several indices are concurrently plotted to form a multi …
Our seismic battery racks are either certified, or built to, Seismic Zone 4 IBC/UBC standards. These earthquake-proof racks for static battery installations are approved for use in California, in earthquake Zone 4 as defined by the Uniform Building Code 1997. Available Styles. 2-Step; 2-Tier; 2-Step/2-Tier; 1-Row (1-Tier) 2-Row; Custom; Resources
Zhao [17] proposed the safety function curve of reticulated shell structure considering the whole process of construction and established a method for evaluating the collapse resistance performance of reticulated shells during the construction period based on the seismic resilience index. According to the post-earthquake damage characteristics ...
Determine seismic response during earthquake of the structure of battery rack. Predict overall structural strength to check the resistance to deformation. Optimize the designs and hence the strength of rack to withstand static & …
Empirical and probabilistic risk analysis methods can relatively accurately predict the seismic vulnerability of reinforced concrete (RC) structures. Using various intensity measures to estimate and forecast the seismic hazard of RC structures can contribute to the development of typical structural seismic resilience and vulnerability models. However, traditional empirical …
9. Strengthening existing structures for improved seismic resistance. Seismic events, such as earthquakes, have a devastating impact on buildings and infrastructure. In the aftermath of these events, it becomes crucial to evaluate the structural integrity of existing buildings and implement measures to enhance their seismic resistance.
This paper proposes a seismic resilience grading method for 110Kv and above high-voltage substations, and establishes a quantitative index for evaluating the substation seismic resilience ...
Design and Seismic Resistance Research of Battery Compartment for Containerized Energy Storage System[J]. Mechanical Research & Application, 2024, 37(4): 160-164. DOI: 10.16576/j.ISSN.1007-4414.2024.04.043 Citation: LIU Peng-fei, PANG Qing-shuai, GUO Jia, LIU Chen-yu. Design and Seismic Resistance Research of Battery Compartment for ...
Seismic resilience index (SRI) approach describes the post-seismic recovery phase of a single building by incorporating the time dimension. In recent decades, numerous …
This article focuses on the evaluation of key buildings in seismic mitigation planning, based on the modified seismic damage index. In the evaluation process, a computational model for key ...
The seismic capacity of a structure is determined by the performance index that reaches its ultimate bearing or deformation capacity first. This paper presents a multi-index seismic capacity evaluation method for …
The hybrid bridge pier can be damaged in stages under earthquakes, and have great repairability after earthquakes, but the existing seismic fortification objectives cannot reflect the superiority of the hybrid bridge pier. Therefore, higher seismic fortification objectives and the corresponding seismic design method are needed for the hybrid bridge pier. A design example …
formations. Quaternary formations correlate with damage to buildings after the earthquake, with Yogyakarta an average shear wave velocity character of 279-293.67 m/s, and are in a zone with a vulnerability index >20. Tertiary formations demonstrated higher seismic resistance compared to formations, indicating Quaternary their relative stability.
At present, the seismic structure of recoverable functional bridges based on seismic resilience is one of the hotspots in bridge seismic engineering research. Therefore, a new type of hybrid piers is designed in this paper, which mainly relies on replaceable components to achieve repairable structural performance after earthquakes. At the same time, four-level …
The estimation of the seismic vulnerability of regional structures has contributed positively to the development of seismic risk and resilience in large-scale building clusters. However, the empirical structural seismic damage and ground motion data used to validate the risk model are relatively outdated, resulting in insufficient evaluation accuracy of the …
Experimental investigation on seismic performance of RC shear walls reinforced with CFRP bars in boundary elements to enhance the resilience was presented which is expected for stable resistance capacity and small residual deformation. Six RC shear walls reinforced with CFRP bars as longitudinal tensile materials in boundary elements were tested under reversed …
Due to large earthquakes, reinforced concrete structures were damaged or eventually demolished. Various building codes (ACI 318-11, 2011; EN-8, 2004) for the design of buildings incorporated a seismic design approach to allow for ductility of building structures during an earthquake.This design approach has been effective in terms of protecting people''s …
Experimental investigation on seismic performance of RC shear walls reinforced with CFRP bars in boundary elements to enhance the resilience was presented which is expected for stable resistance capacity and small …
Seismic resilience index (SRI) approach describes the post-seismic recovery phase of a single building by incorporating the time dimension. In recent decades, numerous quantitative frameworks have ...
ABSTRACT. To understand the effect of connection type on the seismic fragility of concrete-filled steel tube (CFST) column frame-core tube structures, typical structures with different numbers of storeys (15, 30, 45, and 60) and different types of beam-end connections (rigid connections, hinged connections, and rigid connections with outriggers) are designed.
This material when applied as a thin coating (10 mm), was found to have improved seismic resistance of the structure by withstanding an earthquake of intensity 9–9.1 on Richter scale (Tohoku earthquake, Japan, 2011). At present, this technique has been suggested for retrofitting of the existing structures such as an elementary school building ...
Seismic resilience index (SRI) approach describes the post-seismic recovery phase of a single building by incorporating the time dimension.
Hence, both buildings seismic performance behaves similarly in terms of resilience due to the same structural system governed by gravitational loading resistance, and due to the absence of seismic design regulations, this also demonstrated and proved once the seismic vulnerability index (SVI) for each building is developed by Kassem et al. [17,18].
This study attempts to investigate the correlation between the regularity index (RI) with respect to seismic resilience index (SRI), seismic vulnerability index (SVI), and …
The results confirm the good seismic performance of the system under seismic loading and its capacity to develop self-centering properties under certain conditions. View Show abstract
the side rails closer to the battery jar for optimum seismic protection. SUPPORT RAIL Rails connected to the frame that supports the batteries. US-GNRACK-IM Section US-GNRACK-IM-001 Rev. – 4/04 Page 6 of 26 INSTRUCTIONS for ASSEMBLING CLASS 1E …
Researchers in the United Kingdom have analyzed lithium-ion battery thermal runaway off-gas and have found that nickel manganese cobalt (NMC) batteries generate larger specific off-gas volumes ...
According to the PNGV model, select the ohmic internal resistance of the battery as the state variable: 1 12 Rt t R t rt1 Δ Vt FSt R t U t gt (6) It is called the state space model of power battery. Among them, the state variable, that is, the variable ohmic internal resistance, and the noise of the state variable and the observational quantity,
For the complexity and difficulty of seismic research on subway station structure system embedded in soft soil foundation, the seismic research method is quite different from the ground structure.
In this paper, a suitable damage index is demonstrated to assess the seismic-resistant design of masonry wall buildings reinforced with double x-bracing concrete frames. As a criterion indicative of the damage level that might occur after an earthquake, the damage index can be calculated by using analytic results, by using the Park–Ang formula on masonry wall …
Objective The contemporary structural engineering notion of "seismic resilience" is to yield a public to its pre-earthquake state in precise time. The goal of our research is the OMRF (Ordinary Moment Resisting Frame), which is mid-rise building that had exposed to several earthquakes. The research examined the constructions mechanical act and seismic confrontation. Methods …
Seismic certicate for Open and Enclosed, Type DG1/DH1 (Not exceeding 250 hp), Type SVX/SPX (Not exceeding 200 hp), Wall Mounted. This document provides seismic certification data for low voltage adjustable frequency drives for type DG1/DH1 and SVX/SPX.
The concept of seismic robustness is proposed by combining the concept of seismic performance and structural robustness. The existing qualitative, quantitative and evaluation methods of seismic robustness are all direct researched on the whole structure, and the influence mechanism of its internal components on the overall seismic robustness is still …
Seismic design has been a fundamental concern in structural engineering since the early 19th century, with the development of various assessment techniques such as static equilibrium analysis and response spectrum methods. Despite these advancements, soil-structure interaction analysis has emerged as a preferred approach due to its realistic representation of …