广西区内食品销售者参与食品安全追溯体系的影响因素  CNKI文献

目的探究广西食品销售者参与食品安全追溯体系构建的主要影响因素。方法通过理论假设及问卷调查,以广西区内120家食品销售单位为实例,主要从内部影响因素、购销行为、对食品安全状况的认知、对质量安全追溯体系的认知...

梁光纤 王华... 《食品安全质量检测学报》 2021年01期 期刊

规则波作用下柔性植物蜂巢护岸水动力特性试验研究  CNKI文献

将植物引入到生态护岸工程当中,利用植物削弱波浪、增强岸坡的稳定性,可以达到环境效益和经济效益兼得的效果.基于天津市水域岸坡的现场调研,选取坡度为1∶3.5的单式护岸断面,在波浪水槽中建立考虑盐生植物的蜂巢生态...

张娜 张金凤... 《天津大学学报(自然科学与工程技术版)》 2021年05期 期刊

规则波中船舶艏摇运动失稳及横甩临界波高分析  CNKI文献

本文研究了船舶艏摇运动失稳及发生横甩运动的临界波高.建立船舶艏摇运动响应单自由度方程模拟船舶艏摇运动,以内倾船为例,分别采用多尺度法和龙格库塔法求解艏摇运动方程.基于多尺度法求出了运动方程的1阶近似解,给出...

王丽元 李焱... 《天津大学学报(自然科学与工程技术版)》 2021年05期 期刊

基于分期设权理想点法的水文模型参数多目标优化  CNKI文献

针对水文模型参数多目标优化问题中计算复杂且多目标之间存在相互矛盾的问题,提出了基于分期设权理想点法的水文模型参数多目标优化方法.以ABCD水文模型为月径流预报模型,构建径流总水量误差、平均相对误差、高水流量...

康艳 伊丽... 《天津大学学报(自然科学与工程技术版)》 2021年05期 期刊

生命线:电力系统对供水系统抗震可靠性影响模型  CNKI文献

随着我国城镇化和现代化建设的不断推进,为城市正常运转提供保障的生命线工程系统抗震可靠性受到了广泛关注.虽然国内外学者已在电力系统、供水系统等多个独立系统的研究取得了大量成果,但是电力系统对供水系统可靠性...

刘晓航 贺金川... 《天津大学学报(自然科学与工程技术版)》 2021年05期 期刊

From the editors  CNKI文献

Dear Members of the Editorial Board,Contributors and Friends of the journal,This issue of Earthquake Engineering and Engineering Vibration (Vol.20,No.1) incl...

Xiaozhai Qi George C.Lee 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

A shake table investigation of dynamic behavior ...  CNKI文献

Bridges are a part of vital infrastructure, which should operate even after a disaster to keep emergency services running. There have been numerous bridge failures during major past earthquakes...

Piyush Mohanty Xu Dan... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Practical seismic resilience evaluation and cris...  CNKI文献

The objective of this paper is to demonstrate how assessment of seismic vulnerability can be effective in protection against earthquakes. Findings are reported from a case stu...

Peyman Narjabadifam Ramin Hoseinpour... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Seismic force demands on acceleration-sensitive nonstr...  CNKI文献

Nonstructural components(NSCs) are parts, elements, and subsystems that are not part of the primary loadbearing system of building structures but are subject to seismic loadin...

Wang Tao Shang Qingxue... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Topographic effects observed at Amatrice hill during ~...  CNKI文献

The estimate of seismic site effects by experimental approaches is based on different assumptions aimed at simplifying the complex actual site conditions and related uncertain...

Gerardo Grelle Laura Bonito... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Introducing an effective coherence function to generat...  CNKI文献

In this study, a comprehensive parametric analysis was performed on non-uniform excitation of V-shaped topography using the boundary element method in time domain. For this pu...

Mohsen Isari Reza Tarinejad 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

A frequency and velocity-dependent impedance met...  CNKI文献

This paper presents an efficient numerical tool for the prediction of railway dynamic response. A behavior calibration of the infinite Euler-Bernoulli beam resting on co...

Reda Mezeh Marwan Sadek... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Earthquake acceleration analysis using wavelet method  CNKI文献

There are several methods for analyzing the acceleration of an earthquake. In this research, a discrete wavelet theory based on the Mallat method was employed to analyze th

Ali Heidari Noorollah Majidi 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Seismic collapse simulation of existing masonry ...  CNKI文献

Masonry buildings are primarily constructed out of bricks and mortar which become discrete pieces and cannot sustain horizontal forces created by a strong earthquake. The coll...

Ge Dongdong Du Chunbo... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Seismic response of large-span spatial str...  CNKI文献

To achieve rational and precise seismic response predictions of large span spatial structures(LSSSs), the inherent non-uniformity and multidimensionality characteristics...

Zhang Jie Li Hongnan... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Test on mechanical behavior of SRC L-shaped colu...  CNKI文献

Investigations of the seismic behavior of steel reinforced concrete L-shaped columns under constant axial compression and cycled bending-shear-torsion load were performed. Six...

Chen Zongping Ning Fan... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Seismic performance of high-rise buildings in  CNKI文献

The design code for each country is revised and updated based on an expected zone's seismic intensities, geotechnical site classifications, structural systems, construction materials ...

Sayed Mahmoud Mohamed Alsearheed... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Residual drift spectra for RC bridge columns subjected...  CNKI文献

Permanent displacement of a bridge column can be directly measured during the inspection after near-fault earthquakes. However, the engineer needs to estimate the expected res...

S.M.Seyed Ardakani M.Saiid Saiidi... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Model updating of a bridge structure using vibra...  CNKI文献

Model updating issues with high-dimensional and strong-nonlinear optimization processes are still unsolved by most optimization methods. In this study, a hybrid methodology that combines ...

Xia Zhiyuan Li Aiqun... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊

Dynamic response analysis of train-induced...  CNKI文献

Train-induced vibration exhibits a potential dynamic impact on historic buildings and especially on those with high historical and cultural value. Under the long-term reciprocating ...

Li Minghang Ma Meng... 《Earthquake Engineering and Engineering Vibr...》 2021年01期 期刊