检索范围:
排序: 展示方式:
Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS
《结构与土木工程前沿(英文)》 2016年 第10卷 第2期 页码 214-223 doi: 10.1007/s11709-016-0332-3
关键词: carbon nanotubes strain resilient cementitious composite polypropylene fibers tensile bending bond
《结构与土木工程前沿(英文)》 页码 1341-1356 doi: 10.1007/s11709-023-0988-4
关键词: steel fiber reinforced concrete freeze–thaw cycling Brazilian disc splitting test acoustic emission technique dynamic splitting tensile acoustic emission properties
QI Dongming, SHAO Jianzhong, WU Minghua, NITTA Kohhei
《化学科学与工程前沿(英文)》 2008年 第2卷 第4期 页码 396-401 doi: 10.1007/s11705-008-0077-1
关键词: maximal uniaxial tensile unfilled excellent tensile influence
《结构与土木工程前沿(英文)》 2022年 第16卷 第1期 页码 75-85 doi: 10.1007/s11709-021-0798-5
Improved prediction of pile bending moment and deflection due to adjacent braced excavation
《结构与土木工程前沿(英文)》 doi: 10.1007/s11709-023-0961-2
关键词: pile responses excavation prediction deflection bending moments
An artificial neural network model on tensile behavior of hybrid steel-PVA fiber reinforced concrete
Fangyu LIU, Wenqi DING, Yafei QIAO, Linbing WANG
《结构与土木工程前沿(英文)》 2020年 第14卷 第6期 页码 1299-1315 doi: 10.1007/s11709-020-0712-6
关键词: artificial neural network hybrid fiber reinforced concrete tensile behavior sensitivity analysis stress-strain curve
Biranchi PANDA,A. GARG,Zhang JIAN,Akbar HEIDARZADEH,Liang GAO
《机械工程前沿(英文)》 2016年 第11卷 第3期 页码 289-298 doi: 10.1007/s11465-016-0393-y
Friction stir welding (FSW) process has gained attention in recent years because of its advantages over the conventional fusion welding process. These advantages include the absence of heat formation in the affected zone and the absence of large distortion, porosity, oxidation, and cracking. Experimental investigations are necessary to understand the physical behavior that causes the high tensile strength of welded joints of different metals and alloys. Existing literature indicates that tensile properties exhibit strong dependence on the rotational speed, traverse speed, and axial force of the tool that was used. Therefore, this study introduces the experimental procedure for measuring tensile properties, namely, ultimate tensile strength (UTS) and tensile elongation of the welded AA 7020 Al alloy. Experimental findings suggest that a welded part with high UTS can be achieved at a lower heat input compared with the high heat input condition. A numerical approach based on genetic programming is employed to produce the functional relationships between tensile properties and the three inputs (rotational speed, traverse speed, and axial force) of the FSW process. The formulated models were validated based on the experimental data, using the statistical metrics. The effect of the three inputs on the tensile properties was investigated using 2D and 3D analyses. A high UTS was achieved, including a rotational speed of 1050 r/min and traverse speed of 95 mm/min. The results also indicate that 8 kN axial force should be set prior to the FSW process.
关键词: tensile properties ultimate tensile strength tensile elongation friction stir welding tool rotational speed genetic programming welding speed
《结构与土木工程前沿(英文)》 2021年 第15卷 第4期 页码 905-913 doi: 10.1007/s11709-021-0683-2
关键词: fatigue life Delale and Erdogan method RMS–SIF approach stainless steel torsion and bending load fatigue crack growth
Nazim Abdul NARIMAN
《结构与土木工程前沿(英文)》 2017年 第11卷 第2期 页码 131-142 doi: 10.1007/s11709-016-0376-4
关键词: aeroelastic instability structural damping flutter wind speed bending stiffness torsional stiffness
Biaxial tensile-compressive experiment of concrete at high temperatures
SONG Yupu, ZHANG Zhong, QING Likun, YU Changjiang
《结构与土木工程前沿(英文)》 2007年 第1卷 第1期 页码 94-98 doi: 10.1007/s11709-007-0009-z
关键词: increase Offshore Engineering temperature relationship addition
《结构与土木工程前沿(英文)》 页码 901-914 doi: 10.1007/s11709-023-0915-8
关键词: shield tunnel segment joint joint structural model failure mechanism
《结构与土木工程前沿(英文)》 页码 1021-1032 doi: 10.1007/s11709-023-0952-3
关键词: bending behavior pile embankment soil−structure interaction failure mode
《机械工程前沿(英文)》 2022年 第17卷 第2期 doi: 10.1007/s11465-022-0709-z
Parameter prediction in laser bending of aluminum alloy sheet
WANG Xuyue, XU Weixing, CHEN Hua, WANG Jinsong
《机械工程前沿(英文)》 2008年 第3卷 第3期 页码 293-298 doi: 10.1007/s11465-008-0046-x
郝景新,刘文金,吴新凤
《中国工程科学》 2014年 第16卷 第4期 页码 92-95
最大弯曲正应力是衡量夹层梁弯曲性能的重要参数之一,本文推导出了将软夹芯夹层梁等效成等 截面均质单层梁计算最大弯曲正应力的方法,并在此基础上进行三点弯曲试验的算例研究。结果表明:修正单层梁理论与层合梁理论计算的结果是一致的。当破坏载荷与夹层梁横截面的尺寸一定时,随着芯层与总厚度比的增加,修正单层梁理论计算的最大正应力值逐渐增加,而单层梁理论计算的结果为一恒定值。最大弯曲正应力修正公式的建立为夹层梁的工程应用提供理论基础。
标题 作者 时间 类型 操作
The effect of carbon nanotubes and polypropylene fibers on bond of reinforcing bars in strain resilient cementitious composites
Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS
期刊论文
Acoustic emissions evaluation of the dynamic splitting tensile properties of steel fiber reinforced concrete
期刊论文
A new meshless approach for bending analysis of thin plates with arbitrary shapes and boundary conditions
期刊论文
An artificial neural network model on tensile behavior of hybrid steel-PVA fiber reinforced concrete
Fangyu LIU, Wenqi DING, Yafei QIAO, Linbing WANG
期刊论文
Characterization of the tensile properties of friction stir welded aluminum alloy joints based on axial
Biranchi PANDA,A. GARG,Zhang JIAN,Akbar HEIDARZADEH,Liang GAO
期刊论文
growth behavior of a 170 mm diameter stainless steel straight pipe subjected to combined torsion and bending
期刊论文
A novel structural modification to eliminate the early coupling between bending and torsional mode shapes
Nazim Abdul NARIMAN
期刊论文
Biaxial tensile-compressive experiment of concrete at high temperatures
SONG Yupu, ZHANG Zhong, QING Likun, YU Changjiang
期刊论文
Analytical algorithms of compressive bending capacity of bolted circumferential joint in metro shield
期刊论文
A simplified method for investigating the bending behavior of piles supporting embankments on soft ground
期刊论文
Erratum to: Bending and vibration of a discontinuous beam with a curvic coupling under different axial
期刊论文
Parameter prediction in laser bending of aluminum alloy sheet
WANG Xuyue, XU Weixing, CHEN Hua, WANG Jinsong
期刊论文