| 1. | Bonding behaviors between enamel coating and base metal for sprayed porcelain pipe 喷瓷管道瓷层与金属的密着行为研究 |
| 2. | An empirical study on the influence to public debt from banks holding bonds behavior 银行持债行为影响国债市场的实证研究 |
| 3. | Nonlinear fem analysis of bond behavior of rc beams strengthened with bottom bonded cfrp sheets 梁中粘结性能的非线性有限元分析 |
| 4. | Experiments on bonding behavior evaluation for new - to - old concrete by means of ultrasonic pulse velocity 超声波速评价新老混凝土粘结质量的试验研究 |
| 5. | Strengthening rc structures by frp is succeed or not mainly lies on the effect of the bond behavior between the concrete and frp 用frp加固混凝土结构的成功与否主要取决于frp与混凝土之间粘结性能的优劣。 |
| 6. | In this paper , several groups of concrete samples with reinforcing bar in center were made . by pulling out the reinforcing bar , the bond behavior between the self - compacting concrete and the reinforcing bar was figured out 本文采用拔出试验研究不同强度和外加剂组合的自密实高性能混凝土的粘结锚固性能,并与普通混凝土进行对比分析,为编制有关规程和工程应用提供科学依据。 |
| 7. | Bond behaviors of the interfaces between 3 surface patterns of prestressing tendons and concrete were compared , the bond mechanisms between the helical prestressing tendons and concrete were explained , and the main influencing factors on bond anchorage performance were discussed 根据试验结果,给出3种高强预应力钢筋在等幅重复荷载作用下的特征荷载值与应力水平上限的关系式。 |
| 8. | The differences between self - compacting concrete and ordinary concrete are notable , to assure the safety of reinforcing self - compacting concrete structures , it is necessary to discuss the bond behavior between self - compacting concrete and reinforcing bar ( 2 )自密实高性能混凝土与钢筋的粘结锚固性能研究。自密实混凝土与钢筋可靠的粘结锚固性能是自密实混凝土配筋结构安全性的重要保证。 |
| 9. | Through direct pullout test , we examine the effect of the water to cement ratio , contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ) , and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars , and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior 本文主要通过直接拉拔试验,考察水胶比、钢纤维掺量、硅灰掺量以及cfrp筋的表面处理类型等材料参数对粘结性能的影响,并对粘结效果较差的cfrp筋研究了表面处理方法,以提高cfrp筋与rpc的粘结性能;通过在cfrp筋表面粘贴应变片,测定了粘结应力沿cfrp筋埋长的分布情况,并对现有的粘结滑移本构模型与试验结果的拟合效果进行了比较。 |
| 10. | These problems that the influence of bond behavior among frp layers caused by the freeze - thaw action , and bond behavior between frp and concrete experienced freeze - thaw - iii - action are studied by test . in addition , the influence on integral structures by freeze - thaw action and wet - thermal condition is considered . 6 对于冻融循环对多层纤维增强复合材料之间粘结性能的影响、 frp片材与受到冻害混凝土的粘结性能问题、冻融循环对frp片材加固混凝土结构整体性能影响问题和湿热环境对frp片材与混凝土粘结性能的影响问题进行了试验研究。 |