Zobrazeno 1 - 10
of 39
pro vyhledávání: '"力学性能"'
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 66-75 (2024)
火灾发生时钢管混凝土内部会产生水蒸气，为探讨热-湿-力耦合作用对高温后方钢管混凝土轴压力学性能的影响，进行了10根高温后方形钢管混凝土短柱轴压力学性能试验，研究排气孔数量、
Externí odkaz:
https://doaj.org/article/bb52e8cf9b54445385bff2fee598e8e2
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 43-53 (2024)
为得到带悬臂的张弦梁拉索-支座复杂节点在不同工况下的力学性能变化规律，以及在设计荷载组合下的破坏模式，结合某大跨度张弦梁实际工程，通过建立多尺度有限元模型以及现场试验的
Externí odkaz:
https://doaj.org/article/4699d463d8cd4176b9fcc309317a4ed0
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Pp 1-10 (2024)
基于扩孔螺栓连接型耗能段和自复位SMA支撑，提出一种新型自复位耗能段，具有强耗能、高延性、低残余变形和低损伤等特点，可进一步提高偏心支撑结构的抗震性能和震后功能恢复能力。
Externí odkaz:
https://doaj.org/article/382e1b621eed409daac295c634a6a2b5
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Pp 1-13 (2024)
为实现模块化钢框架结构的高效装配，本研究对课题组提出的新型模块化钢框架模块间全螺栓装配式内套筒连接节点进行了有限元与理论分析。采用经验证的ABAQUS有限元模型，分别对静力和
Externí odkaz:
https://doaj.org/article/829257249a154c9f8c07e91e5a989fe4
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Pp 1-10 (2024)
在既有混凝土框架结构中引入Y形偏心钢支撑，可得到新型既有混凝土框架-Y形偏心支撑结构，具有抗侧刚度大、抗震性能好和震后功能可恢复等特点。其中，既有混凝土梁-耗能段组合节点是
Externí odkaz:
https://doaj.org/article/f858943b3fb04b4aa99452e54eb6f301
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 25, Pp 46-57 (2023)
提出了一种双向耗能钢板-形状记忆合金（SSMA）丝阻尼器，用于解决传统钢板阻尼器塑性变形不可恢复的问题。该阻尼器是一种结合了耗能钢板和超弹性SMA丝的复合阻尼器，结合了两种耗能
Externí odkaz:
https://doaj.org/article/890cb8bf0d334d989ad1eb5de8f87843
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 25, Pp 1-13 (2023)
可拆装式箱型轻钢结构房屋采用复杂冷弯构件，节点采用无螺母高强螺栓，结构特殊，力学性能复杂。通过ABAQUS有限元软件建立了箱型房屋精细化模型和多尺度模型，与箱型房屋模块单体的
Externí odkaz:
https://doaj.org/article/f0612cf992b848478acfb1c0447a0a36
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 24, Pp 34-46 (2022)
为克服传统黏弹性阻尼器与金属阻尼器的不足，提出了新型金属-黏弹复合阻尼器（metallic-viscoelastic hybrid damper，MVHD），并对MVHD力学模型的滞回性能及应用进行研究，提出了MVHD的滞回曲线、
Externí odkaz:
https://doaj.org/article/881408f415684af1a5b8899b9fba215d
Autor:
Ricardo Mendoza-Quiroga, Nohora Mercado-Caruso, Jonathan Fabregas-Villegas, Jennifer Villa Domínguez, Jairo Chimento
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 15, Pp 11818-11830 (2022)
This study is intended to improve the methodology to calculate the tensile properties of natural coconut fiber and increasing confidence in the use of sustainable natural fibers as reinforcing in composites used for different components in the naval
Externí odkaz:
https://doaj.org/article/6e2ee42173e54977862264ff22755f77
Autor:
Janaki Dehury, Jyoti Ranjan Mohanty, Subhakanta Nayak, PriyaRanjan Samal, Sujit Kumar Khuntia, Chandrabhanu Malla, Saumya Darsan Mohanty, Jagannath Mohapatra
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 14, Pp 9457-9470 (2022)
This research is based on evaluation of fiber treatment and concentration on physical (density), mechanical (tensile strength, Young’ modulus, flexural, impact strength) and thermal properties of untreated and treated date-palm petiole fiber reinfo
Externí odkaz:
https://doaj.org/article/6bf3f5a9a0f04537b90059e6ffa804fd