| 1. | Then the paper gives the suggestions and some questions about hfrp in structure engineering
并提出了混杂纤维复合材料在当前工程应用中存在的问题。 |
| 2. | To improve the same load carrying capacity and stiffness of the specimens , hfrp can enable the strengthened columns certain ductility and a significant decrease of strengthening cost
在提高相同承载力和刚度的前提下，既能显著提高被加固柱的延性，又能大幅度降低加固成本。 |
| 3. | In the light of this , we decide to use imported carbon fiber ( cf ) and local high - strength glass fiber ( sgf ) to manufacture the hfrp which is adapted to concrete structure strengthening
据此，决定以用进口碳纤维( cf )和国产高强玻璃纤维( sgf )混杂配制适于混凝土结构加固的hfrp作为第一阶段研究任务。 |
| 4. | According to the results of the above experimental research , the reasonable matching of hfrp and construction technique of hydraulic pad - exerting - pressure were applied to a bending strengthening project of roofing frame beams
在以上研究基础上，将hfrp的合理匹配、水垫加接触压施工方法，用于一项屋面梁抗弯加固工程实践。 |
| 5. | And a comparative experiment of hfrp with different matching was carried out to study their failure feature and mechanism . the test results prove that , besides lower cost , the strength and the elongation ratio of hfrp in matching of volume ratios of cf vc = 0 . 198 and 0 . 247 are much higher than those of other matching of hfrp and sole cfrp , with a slight influence on stiffness
提出了几种hfrp配合比进行较为详细的拉伸对比试验研究，探讨破坏特征、工作机理，结果表明cf体积数v _ c = 0 . 198和0 . 247的hfrp较单一cfrp与其它配比的hfrp强度高，延性好，且价格低，仅刚度略低，匹配相对合理。 |
| 6. | In response to some researcher ' s doubt on the durability and stiffness of hfrp in the world , the durability , stiffness of hfrp and its feasibility to strengthen concrete structure were discussed , based on the summary of properties of hfrp as well as its successful applications in several related fields
鉴于国内外均有人对hfrp的耐久性和刚度提出疑问，笔者以综合分析hfrp各组分性能为基础，借鉴hffp在各行业成功运用的实例，讨论hfrp的耐久性和刚度问题，探讨hfrp加固混凝土研究的可行性。 |
| 7. | Based on the discussion above , a primary comparative experiment of concrete columns externally wrapped with hfrp , carbon fiber reinforced polymer ( cfrp ) and high - strength glass fiber reinforced polymer ( sgfrp ) was carried out to study the ductility , load carrying capacity , strengthening cost of strengthened columns and the exerting efficiency of cf . test results showed that the hfrp can fully exploit the advantages and overcome shortages of the materials
在此基础上，以加固柱的延性、承载力、加固价格和cf性能发挥效率为指标，设计并进行了hfrp 、碳纤维复合材料( cfrp )和高强玻璃纤维复合材料( sgfrp )加固柱的探索性对比实验研究，结果表明hfrp充分发挥了两种纤维各自的性能优势，克服了单一frp的缺点。 |
| 8. | At last some further research proposals of strengthening concrete structures with hfrp were presented : besides the theoretical descriptions of the durability of hfrp and its successful applications , further experimental research should be carried out to study its feasibility in strengthening concrete ; in order to inspect and amend the practical effect of the reasonable matching , experimental study of concrete columns and beams ( the author have fabricated 30 hfrp strengthening concrete columns with a diameter to height ratio of 1 : 3 and 15 concret
汕头大学硕士学位论文摘要最后提出了今后hfrp加固混凝土结构的研究设想，主要是: hfrp的耐久性除进行合理的应用实例和理论分析外，还需通过试验研究进一步论证其可行性。应将合理匹配用于梁柱加固试件(作者已制作30个直径/高为1 : 3的hfrp加固柱试件和15根混凝土梁试件供后续实验研究之用。 ) ，检验实际效果，并进行修正。 |
| 9. | In order to improve the efficiency of strengthening concrete structure with sole fiber reinforced plastic ( frp ) and overcome the disadvantages of the primary research of hybrid fiber reinforced plastic ( hfrp ) , a new idea that strengthening concrete structure with reasonable matching of hfrp was proposed in this thesis firstly
针对现今单一纤维复合材料( frp )加固混凝土结构加固效率低的问题，以及已有混杂纤维复合材料( hfrp )探索性研究存在的缺点，本文首次提出hfrp的合理匹配及其在混凝土结构加固中的应用研究。 |
