Study on Tension Behavior of Waterproofing under Sustained Load 持续荷载作用下防水卷材拉伸性能的研究
Research on Freeze-Thaw Resistance Behavior of Bonded Joints between CFRP and High Strength Concrete under Sustained Load 持载作用下CFRP-高强混凝土界面的抗冻性能
Finite Element Analysis of Concrete Column Confined by CFRP under Sustained Load CFRP持载加固混凝土柱的有限元分析
Finite Element Analysis on Mechanical Properties of FRP-confined Concrete Columns with Sustained Load FRP带载约束加固混凝土柱力学性能有限元分析
A concrete box girder model prestressed with externally CFRP tendons was cast, and the stress redistribution, deflection and crack development of the girder model were tested for 1001d under sustained uniform load. 制作了体外配置碳纤维筋预应力混凝土箱梁模型,对持续均布荷载作用箱梁的截面应力重分布、长期挠曲变形及裂缝发展等规律进行了1001d的试验观测。
The relationship between softening rate and temperature and holding time at sustained load was analysed with the mathematical statistics. 用数理统计方法对保载软化率、温度、保载时间进行分析,计算出12Cr1MoV钢在一定温度范围内的挤压应变激活能。
The results showed that in text reading, pupil diameter decreased with fatigue, whereas increased with mental load and persisted with sustained mental load; 结果表明:在文本阅读中,疲劳会使瞳孔缩小,心理负荷增大会使瞳孔放大,一定的心理负荷可以起到维持瞳孔大小不变的作用;
Permeability of concrete under sustained compressive load 持续压荷载作用下混凝土的渗透性
At the same time, because the tests under sustained load have a long period and take a lot of labor, this study has preliminarily to make the computer simulation analysis on the preloaded concrete columns strengthen with FRP. 同时,本文还针对持载试验周期长、费工费时的特点,采用计算机模拟的方式对于FRP持载加固混凝土矩形柱试验的分析进行了初步的探讨。
In this paper, a new deflection expression is put forward, which can solve the rectangular plate bending with three corner points sustained under arbitrary load. 提出一种新的挠度表达式,可以解决三角点支承的矩形板在任意荷载作用下的弯曲。
Conclusions High sustained high G_x load will not lead to significant pathological changes in oral mucosal epithelia, but can induce enhanced expression of HSP-70 in the tissue. 结论高+Gx环境中猴口腔黏膜上皮组织结构未见改变,上皮细胞HSP70表达明显增强。
In this paper, the developing process of deformation and stress in eccentrically loaded reinforced concrete columns under sustained load is described. 本文对长期荷载作用下钢筋混凝土偏心受压柱的内力和变形进行了试验和理论研究。
This article introduces some contents relative to the test and assessment for function under sustained load& test items, test methods, assessment terms. 本文主要介绍了安全性评估中长期持续荷载作用下性能检测的相关内容&试验内容、检测方法及评估条件;
It is very important to study the influence of hydrogen environment on thermodynamical properties of Ti alloy and their fracture mechanics on sustained load crack growth in hydrazine environment at elevated temperature. 进行氢对其热力学性能的影响的试验研究,以及较高温度下肼环境中持续载荷裂纹生长断裂力学的试验研究十分重要。
A Time-effect Model for Concrete Compressive Strength under Sustained Load 持续荷载下混凝土抗压强度的时效模型
The effect of sustained uniaxial compressive load on the permeability of concrete was studied by a load-permeation testing device with pressed spring loads. 用以受压弹簧为荷载的压力渗透实验装置研究了持续单向压荷载作用对混凝土的水渗透性的影响。
So, it would be variable and widely used in the future to do the research on concrete structures confined by FRP under sustained load. 因此,对FRP持载加固混凝土结构的研究具有重要的工程价值和广泛的应用前景。
Due to the air transmission corridor constraints of large cities and the sustained rapid growth of city load, pure AC lines can no longer meet the needs of social and economic development. 由于大中城市的空中输电走廊的限制和不断发展的城市负荷,纯交流线路的城市配电网络已经越来越不能满足社会和经济发展的需求。
Not load the regional stress intensity change significantly, the role of groundwater seepage significant impact on the corresponding field. ( 3) Sustained by the load, the fractured rock in all directions on the displacement of little change, displacement do not changes with time. 未受荷载作用的区域应力强度变化明显,地下水渗流作用对应力场影响显著。(3)受持续荷载作用下,裂隙岩体在各个方向上的位移变化不大,位移随时间的变化也不大。
Sustained by the framework, the paper manages the QoS history at the service invoking, and then forcast the actual QoS based on the load of the service. 在此框架的支撑下,对服务被调用时所表现出的的QoS历史经验进行管理,并以此为基础结合服务的实际负载对服务的真实QoS进行预测。
In this group, no spiral fractures of distal tibia occurred. One specimen sustained comminuted distal tibial fracture due to violent vertical load and the other specimens sustained subluxation or dislocation of ankle joints. 本组标本均未发生胫骨干骨折,1例因轴向负荷过大导致胫骨远端粉碎骨折,其余各例发生踝关节半脱位或脱位。
The sustained load of the end-plate connections is related to many factors, such as: the pretension loads, the bolt locations, the bolt diameters, the bolt materials, and so on. 螺栓在端板连接中的受力与很多因数有关,如:螺栓的预紧力、螺栓的排列位置、螺栓的直径、螺栓的材料等。
As the existence of cracks in the dam,, the crack will continue to expand by the role of sustained load, eventually lead to further dam material brittle fracture, thus speeding up the structural failure. 由于坝体裂缝的存在,在荷载的持续作用下,裂缝可能会不断扩展,最终导致坝体材料的进一步脆性断裂,从而加速了结构的失效。
The major random contributions to structural stress are the uncertainties of prediction model of creep and elastic modulus, meanwhile, the influence of magnitude of sustained load cannot be ignored also. 徐变模型不确定性和混凝土弹性模量随机性是影响时变应力的重要随机变量,同时荷载大小的随机性同样不能忽略。