Stress-strain curveTo study the mechanical characteristics of PVC-CFRP confined concrete column with ring beam joint (PCRCJ), the experiment of nine PCRCJ specimens and one PVC confined concrete column with ring beam joint (PRCJ) subjected to axial compression, which were designed with the ...
图5 经向和纬向应力—应变曲线下载原图 Fig.5 Stress-strain curve of warp and weft direction 由以上膜材应力—应变曲线可以发现,PVC涂层织物类膜材单轴拉伸下的破坏过程分为三个阶段:第一阶段是低应力下少数纤维的早期断裂阶段;第二阶段是损伤的扩展阶段;第三阶段是最终破坏阶段三个阶段的发展都与纤维、基体...
Fig.1 Typical stress-strain curves in ISO 527-1 : 1993 关于塑料拉伸性能测定的一般条件, GB / T 8804.1 — 2003经ISO 6259-1 : 1997最终溯源到 ISO 527-1 : 1993 ,故ISO 527-1 : 1993中关于塑料 拉伸屈服点的定义适用于以GB / T 8804.1 ...
Key words: PVC-FRP tube, stress-strain model, load-carrying capacity, axial compressive strain, concrete column. 展开 关键词: PVC-FRP tube stress-strain model load-carrying capacity axial compressive strain concrete column DOI: 10.1126/science.1194869 被引量: 12 ...
All properties in the tables have been defined previously and toughness T of the material is defined as the area under the stress strain curve up to rupture point. The toughness index TI tabulated in the tables for each grain direction is defined as the toughness of the material divided by ...
the designer when using a material that has a steadily changing stress/strain curve is significant; the designer is able to give a facility owner a much safer installation, or one with a lower factor of safety and, therefore, a wider range of safe operating conditions. However, once again,...
increasing of thermal cycles times, the max.load(is the maximum strength in stress-strain curve) of sisal fiber showed downtendency in different conditions and decreased most obviously in composites. The effects of cycle process on crystalline transition behavior of sisal fiber were investigated...
Schedule 80 plumbing is stronger and more resistant than its 40 counterparts because of its thicker wall thickness. Use more significant pipes for the components in plumbing applications. They should be suitable for elevated pressure stress and mechanical stresses. ...
The intrinsic con- straints that influence the entrance and integration of for- eign DNA into a recipient genome include the exclusion surface that limits the entrance of specific sequences in some bacteria [3], the presence of CRISPR that decreases the quantity of transferred sequences insertion...
And WNPB-12C-125℃ had the best mechanical properties, the stress and strain of which reached 9.43 MPa and 268.2 %, respectively. Furthermore, there are two innovative results: 1) when the cross-linked polar rubber-plastic composites are reclaimed, the molecular chains of the rubber would be...