Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 465

Conference Videos 17

Year

2023 19

2022 25

2021 44

2020 24

2019 31

2018 23

2017 19

2016 15

2015 19

2014 11

2013 20

2012 37

2011 18

2010 49

2009 44

2008 24

2007 17

2006 9

2005 5

2004 6

open ︾

Keywords

suspension bridge 21

bridge 16

cable-stayed bridge 12

Sutong Bridge 10

Taizhou Bridge 9

Hong Kong-Zhuhai-Macao Bridge 4

bridge engineering 4

dynamic response 4

steel box girder 4

the Fourth Nanjing Yangtze River Bridge 4

China 3

DX pile 3

bearing capacity 3

safety 3

seismic performance 3

BNLAS 2

Beijing-Tianjin inter-city railway 2

Bridge 2

FEM 2

open ︾

Search scope:

排序： Display mode:

Study on temperature effects of single expansion joint bridge

Zhao Yibin and Shao Xudong

Strategic Study of CAE 2012, Volume 14, Issue 10, Pages 103-112

Abstract: style="text-align: justify;">There are some problems of easy damage and arduous maintenance in the expansionjoints at abutment, and a new type of single expansion joint bridge (SEJB) is herein proposed to deal

Keywords： single expansion bridge temperature effect stress and deformation theoretical formula parameter analysis

HTML PDF Collect

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3, Pages 374-380 doi: 10.1007/s11709-011-0122-x

Abstract: This paper addresses the problem of condition assessment of bridge expansion joints using long-term measurementThe effects of temperature, traffic loading and wind on the expansion joint displacements are analyzedStatistical process control using mean value control charts is further used to detect damage to the bridgeexpansion joints.had a good capability for detecting the damage-induced 1.0% variances of the annual changes in the expansion

Keywords： structural health monitoring displacement expansion joint temperature effect wind effect traffic loading statistical process control suspension bridge

HTML PDF Collect

Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particle

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Frontiers in Energy 2007, Volume 1, Issue 2, Pages 202-206 doi: 10.1007/s11708-007-0026-6

Abstract: The model is employed to simulate gas-particle flows in a sudden-expansion chamber.Simulation results are compared with the experimental results and with those obtained by the single-scaleIt is shown that the two-scale model is with higher calculating accuracy than the single-scale model.

Keywords： gas-particle single-scale second-order large-scale fluctuation second-order sudden-expansion

HTML PDF Collect

Typical diseases of a long-span concrete-filled steel tubular arch bridge and their effects on vehicle-induced

Jianling HOU, Weibing XU, Yanjiang CHEN, Kaida ZHANG, Hang SUN, Yan LI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4, Pages 867-887 doi: 10.1007/s11709-020-0649-9

Abstract: A long-span concrete-filled steel tubular (CFST) arch bridge suffers severe vehicle-induced dynamic responsesstudy the effects of typical diseases on the vehicle-induced dynamic response of a typical CFST arch bridgeThe results show that a support void results in a height difference between both sides of the expansion

Keywords： long-span arch bridge expansion joint disease vehicle-bridge coupling vibration dynamic response

HTML PDF Collect

A MATLAB code for the material-field series-expansion topology optimization method

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 607-622 doi: 10.1007/s11465-021-0637-3

Abstract: This paper presents a MATLAB implementation of the material-field series-expansion (MFSE) topo-logy optimizationWith the series-expansion method for bounded fields, this material field is described with the characteristic

Keywords： MATLAB implementation topology optimization material-field series-expansion method bounded material

HTML PDF Collect

An approach for evaluating the impact of an intermittent renewable energy source on transmission expansion

Rongrit CHATTHAWORN,Surachai CHAITUSANEY

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10, Pages 871-882 doi: 10.1631/FITEE.1500049

Abstract: optimization approach to evaluate the impact of an intermittent renewable energy source on transmission expansionscenarios representing the intermittent renewable energy generation and loads is proposed to obtain robust expansionMoreover, the impact of an intermittent renewable energy source on TEP was evaluated by comparing expansion

Keywords： Adaptive tabu search Renewable energy generation Robust optimization Transmission expansion planning

HTML PDF Collect

Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0758-y

Abstract: In this study, an effective material-field series-expansion (MFSE)-based topology optimization design

Keywords： nodal line topology optimization structural dynamics design material-field series-expansion

HTML PDF Collect

Research on Expansion Theory of Ammonium Nitrate

Lü Chunxu

Strategic Study of CAE 2001, Volume 3, Issue 9, Pages 58-63

Abstract:

In this paper, expansion process of AN is described, its physical chemical parameters are calculatedand determined, the influeucing factors of AN expansion process are studied and a possible mechanismof expansion process is also given.

Keywords： expanded ammonium nitrate expansion theory physical chemical parameter influencing factor

HTML PDF Collect

Modelling autogenous expansion for magnesia concrete in arch dams

JIN Feng, LUO Xiaoqing, ZHANG Chuhan, ZHANG Guoxin

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3, Pages 211-218 doi: 10.1007/s11709-008-0025-7

Abstract: To evaluate the effects of autogenous expansion on the stresses of arch dams, a simple model of autogenousexpansion for Magnesia Concrete in dam engineering is presented.This model is based on three assumptions: 1) the total amount of autogenous expansion of Magnesia Concreteis related only to the properties of materials and mixing of concrete; 2) the autogenous expansion ofelement arch dam simulation software, this model is employed to simulate the effects of autogenous expansion

Keywords： field-measured irreversibility temperature irreversible element arch

HTML PDF Collect

Scheme Study and Strategy on Expansion of Ethylene Plant to 660 kt/a at Yanshan Petrochemical Company

Cao Xianghong

Strategic Study of CAE 2003, Volume 5, Issue 11, Pages 34-46

Abstract:

Yanshan Petrochemical Company after having expanded its 300 kt/a steam cracking unit to 450kt/k in 1994 is still experiencing such problems as low feedstock flexibility, high energy consumption and smaller scale as compared to other ethylene units constructed in the same time. In order to fully improve technical capability of steam crackers, reduce energy consumption, improve feedstock flexibility and increase production capacity, a lot of technical revamp cases on steam cracking were studied and compared with attention focused on the feasibility, safety, operability of the related revamp cases, as well as the advanced nature and economical features of the cases studied. As regards the pyrolysis-quench-compression system, the steam crackers will be retrofitted on the site with the pyrolysis gasoline fractionation tower, quench water tower, pyrolysis gas compressor and steam turbine replaced by new ones, respectively. The separation system will adopt a low-pressure methane removal technology with the demathanizer tower replaced, coupled with the C₃ catalytic rectification/hydrogenation technology, while the high-pressure depentanizer will be replaced with the addition of a propylene rectification tower. The fractionation flow sheet and equipment will be adjusted with the addition of a propylene compressor and compressor for binary mixture of methane-ethylene cooling agents. This revamp has expanded the ethylene capacity to the target of 660 kt/a with the actual capacity reaching 710 kt/a. This revamp project has remarkably reduced the energy consumption, which is capable of using naphtha, light diesel fuel, heavy diesel fuel and the hydrocracked tail oil as the steam cracking feedstock. This project is the first to apply refrigeration by means of a mixed ccx)ling agent and has succeeded in using C₃ catalytic rectification/ hydrogenation technology, which has given an impetus to the progress of steam cracking industry in the world.

Keywords： ethylene plant expansion scheme stady

HTML PDF Collect

Lagrangian simulation of deposition of CO gas-solid sudden expansion flow

HUANG Dongping, DING Guoliang, QUACK Hans

Frontiers in Energy 2008, Volume 2, Issue 2, Pages 216-221 doi: 10.1007/s11708-008-0032-3

Abstract: Freezing and blockage resulting from the deposition of solid CO formed because of sudden expansion ofTo overcome this problem, the characteristics of the CO gas-solid sudden expansion flow are studied by

Keywords： comparison gas-solid downstream blockage Lagrangian

HTML PDF Collect

The research of competence set expansion’s

Wang Huating, Feng Junweng, Miao Chenglin, Wang Jian

Strategic Study of CAE 2008, Volume 10, Issue 8, Pages 51-55

Abstract:

Competence set expansion is a process that decision-maker expands theThis paper analyses the concept of competence set and its expansion and provides competence set expansion

Keywords： expansion of competence set habitual domain managerial decision making

HTML PDF Collect

Industrial land expansion in rural China threatens environmental securities

Chi Zhang, Wenhui Kuang, Jianguo Wu, Jiyuan Liu, Hanqin Tian

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1321-2

Abstract: . • RIL expansion cost 9% of China’s crop production and threatened human/ecosystem safety. • The underprivilegedAccelerated rural industrial land expansion, particularly in regions under high geo-hazard risks, ledMoreover, negative effects from rural industrial land expansion could partially offset the crop productionThis study aims to inspire policy makers and researchers to rethink the current model of industrial expansion

Keywords： Industrialization Land-use change Environment risks Environmental security Urbanization China

HTML PDF Collect

Major bridge development in Hong Kong, China—past, present and future

Michael CH HUI, Doris YAU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4, Pages 405-414 doi: 10.1007/s11709-011-0136-4

Abstract: The first “modern” type of vehicular bridge was built in Hong Kong China in the 1920s.Four of these bridges, including the Tsing Ma Bridge, Kap Shui Mun Bridge, Ting Kau Bridge, and the cable-stayedbridge on the Hong Kong- Shenzhen Western Corridor, are considered to be major bridges supported byAt the same time, the Hong Kong-Zhuhai-Macao Bridge will be in its detailed design stage soon.While efforts have been made by bridge builders to construct these giant structures, the upkeeping of

Keywords： Tsing Ma Bridge Kap Shui Mun Bridge Ting Kau Bridge Stonecutters Bridge Hong Kong-Zhuhai-Macao Bridge

HTML PDF Collect

Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4, Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation forIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerWhen undeformed chip thickness is in the atomic scale, two kinds of single atomic layer removal mechanismsexist in cutting-based single atomic layer removal, namely, dislocation motion and extrusion, due to

Keywords： ACSM single atomic layer removal mechanism crystallographic orientation effect mechanical cutting Manufacturing