中科新闻网魏三利讲病全集:英语高手请进27
来源：百度文库 编辑：中科新闻网 时间：2024/04/27 12:00:22
可能问题太多有几个跑到 英语四六级里了 去那里也翻译哦 血本~
2.9. Composite and plasterboard construction
Cold-formed steel structural members can become even more effective when used
in conjunction with other materials. Two common ways to do this are to use the
cold-formed sections as composite beams in concrete slab systems, and lined with
gypsum plasterboard as wall studs in residential construction.
A paper by Hanaor [44] provides tests of composite beams with cold-formed sections.
The main problem in implementation of the designs is ensuring adequate shear
transfer between the concrete slab and the cold-formed section. Push-out connections
between the concrete slab and the cold-formed section, and complete beams were
tested to determine the characteristics of the connections and their effects on the
beams. The tests indicate that design of shear connectors can in most cases be conservatively
based on codes of practice for the design of cold-formed connections.
Full-scale tests indicate high ductility and capacity which exceeds design assumptions.
Three papers by different groups of authors have described investigations on the
influence of gypsum plasterboard on the behaviour of steel wall frames and studs
used for residential construction. Gad et al. [45] investigated the contribution of
plasterboard to the lateral resistance of cold-formed steel-framed residential struc482
G.J. Hancock / Journal of Constructional Steel Research 59 (2003) 473–487
tures. Finite element models are developed and compared with lateral load tests on
full-scale house frames. It is concluded that a wall with corner returns, ceiling cornices
and skirting boards has more than three times the lateral capacity of an identical
isolated wall panel. Telue and Mahendran [46] concentrated on the strengthening
effect of plasterboard on the axial load carrying capacity of wall frames and studs.
Tests were conducted on lined one side, lined both sides and unlined walls. Comparisons
with Australian and American standards are provided. Recommendations on
effective lengths for use in design are given. Lee and Miller [47] also investigated
the axial strength of C-section wall studs with gypsum sheathing/sheeting attached
to both flanges with screws at regular intervals. The strength is found to be independent
of stud spacing, reflecting the localised nature of the wallboard deformations,
rather then the shear diaphragm behaviour assumed in the AISI Specification.
2.9. 组合和石膏板建筑
冷成型钢构件用于和其他材料连接时可能变的更加有效。达到这个目的的两个普通办法是采用冷成型面作为混凝土板系统的组合梁，和和石膏板连接作为住宅建筑中的墙体。[44]一文提供了冷成型面组合梁的测试。设计执行的主要问题是确保混凝土板和冷成型面之间有足够的抗剪位移。测试了全部梁的混凝土板和冷成型面之间的外推连接以确定连接的特性及其对梁的影响。测试显示多数情况下抗剪连接件能够适当地复合冷成型连接件的设计应用规范。全面测试显示超过了设计假定中的高延展性和容量。不同作者群体的3篇论文描述了石膏板对用于住宅建筑的钢墙框架的行为的影响。Gad等[45]调查了冷成型钢框架住宅建筑的石膏板侧面抗性的分布。有限元模型被开发并与全面住房框架的侧面负载测试相比较。 得出结论是有回角、屋檐和滑板的墙壁有三倍于一个相似的隔离墙板的侧面容量。Telue和Mahendran[46]致力于研究石膏板对轴墙壁框架承载量的向负载的增强效果。测试在一面有线纹、两面有线纹、以及无纹墙上进行。提供了澳大利亚和美国标准的比较。给出了设计中用的有效长度的建议。Lee和Miller[47]也研究了两缘有规则间距的螺丝钉的石膏板包被/防护的C-型钢墙壁的轴向强度。该强度发现不依赖于墙壁空间，反映了墙板变形的局部性特征，而不是AISI规范中假设的剪膜行为。
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Composite and plasterboard construction
Cold-formed steel structural members can become even more effective when used
in conjunction with other materials. Two common ways to do this are to use the
cold-formed sections as composite beams in concrete slab systems, and lined with
gypsum plasterboard as wall studs in residential construction.
A paper by Hanaor [44] provides tests of composite beams with cold-formed sections.
The main problem in implementation of the designs is ensuring adequate shear
transfer between the concrete slab and the cold-formed section. Push-out connections
between the concrete slab and the cold-formed section, and complete beams were
tested to determine the characteristics of the connections and their effects on the
beams. The tests indicate that design of shear connectors can in most cases be conservatively
based on codes of practice for the design of cold-formed connections.
Full-scale tests indicate high ductility and capacity which exceeds design assumptions.
Three papers by different groups of authors have described investigations on the
influence of gypsum plasterboard on the behaviour of steel wall frames and studs
used for residential construction. Gad et al. [45] investigated the contribution of
plasterboard to the lateral resistance of cold-formed steel-framed residential struc482
G.J. Hancock / Journal of Constructional Steel Research 59 (2003) 473–487
tures. Finite element models are developed and compared with lateral load tests on
full-scale house frames. It is concluded that a wall with corner returns, ceiling cornices
and skirting boards has more than three times the lateral capacity of an identical
isolated wall panel. Telue and Mahendran [46] concentrated on the strengthening
effect of plasterboard on the axial load carrying capacity of wall frames and studs.
Tests were conducted on lined one side, lined both sides and unlined walls. Comparisons
with Australian and American standards are provided. Recommendations on
effective lengths for use in design are given. Lee and Miller [47] also investigated
the axial strength of C-section wall studs with gypsum sheathing/sheeting attached
to both flanges with screws at regular intervals. The strength is found to be independent
of stud spacing, reflecting the localised nature of the wallboard deformations,
rather then the shear diaphragm behaviour assumed in the AISI Specification.
2楼回答的很好 建议试试
2.9. 综合和石膏板建筑冷被形成的钢结构成员能开始更加有效当使用与其它材料一道。二种共同的方式做这将使用冷被形成的部分作为综合射线在混凝土板系统, 和标示用石膏石膏板当墙壁螺柱在住宅建设。 一张纸由Hanaor [ 44 ] 提供综合射线测试以冷被形成的部分。主要问题在设计的实施保证充分剪调动在混凝土板和冷被形成的部分之间。Push-out 连接在混凝土板和冷被形成的部分之间, 和完全射线被测试确定连接和他们的对射线的作用的特征。测试表明, 剪连接器设计可能保守地在许多情况下根据编码应用为冷被形成的连接设计。全方位测试表明超出设计假定的高延展性和容量。三篇论文由不同的小组作者描述了调查在石膏石膏板的影响对钢墙壁框架和螺柱行为被使用为住宅建设。游荡等。[ 45 ] 调查了石膏板的贡献对冷被形成的铁造的住宅struc482 G.J. 汉考克/学报侧向抵抗建设钢研究59 (2003) 473.C487 tures 。有限元素模型被开发和与对全方位房子框架的侧向装载测试比较。它结束, 墙壁以角落返回, 天花板cornices 并且壁脚板有超过三倍一个相同被隔绝的墙板的侧向容量Telue 和Mahendran [ 46 ] 集中了石膏板的加强作用在墙壁框架和螺柱轴向装载运载量。测试进行了在排行一边、被排行的双方和没有衬里的墙壁。与澳大利亚和美国标准的比较被提供。 关于有效的长度的建议用于设计被给。李和米勒[ 47 ] 并且调查了C 部分墙壁螺柱轴向力量与石膏sheathing/sheeting 附有两耳轮缘与螺丝在正则区间。力量被发现独立螺柱间距, 反射墙板变形的地方化的本质, 宁可然后剪膜片行为被承担在AISI 规格。