| 1. | The effects of plain concrete expanding admixture on the early shrinkage of high performance concrete 普通混凝土膨胀剂对高性能混凝土早期收缩的影响 |
| 2. | Effects of shrinkage reducing admixture and polypropylene fiber on early age shrinkage cracking of concrete 减缩剂与聚丙烯纤维对混凝土早期收缩开裂的影响 |
| 3. | Simultanously , the influence of mineral admixture on the early - age shrinkge and early - age shrinkage mechanisms is studied in this paper 国内外关于减水剂对混凝土早期收缩影响的研究极少,本文对此进行了较为系统的研究。 |
| 4. | To the common concrete , adding fly ash or blast furnace slag can decrease the shrinkage rate , but adding silica fume deteriorate the shrinkage rate 其早期收缩主要是塑性收缩,而后是冷缩和自收缩,长期收缩以干燥收缩为主。 |
| 5. | Due to high quantity and grade of cement , early shrinkage of super high strength & high performance concrete is larger than that of ordinary concrete 超高强混凝土由于采用高水泥用量和高标号水泥,其早期收缩明显大于普通混凝土。 |
| 6. | By the apparatus for measuring early - age shrinkage , the principle of this shrinkage and the measures to control it has been studied in this paper 通过混凝土早期收缩试验,研究探索了这种收缩的影响规律并提出相应的改善或抑制措施。 |
| 7. | A new type of apparatus for measuring early - age shrinkage is presented on the basis of advantages and disadvantages of the fellow apparatus in or abroad 综合研究国内外早期收缩测试装置的优缺点,本文改进研制出一种混凝土早期收缩自动测试装置。 |
| 8. | The paper has studied the influence of water - cement ratio on the early - age shrinkge and whole shrinkge through self - deviced experimental apparatus for measuring early - age shrinkage 通过自行设计早期收缩测试装置研究了水灰比对混凝土早期收缩的影响规律并在此基础上测试了混凝土总收缩。 |
| 9. | The result of test shows it is not accurate to estimate concrete shrinkage if the early - age shrinkge is ignored , since the early - age shrinkge comprises the most part of the whole shrinkge 试验结果表明:混凝土早期收缩占混凝土总收缩较大的比例,忽视这种收缩不能准确反映混凝土收缩本质。 |
| 10. | The ring test result shows that tendency of concrete cracking is consistent with shrinkage and veritifies early - age shrinkage is responsible for the concrete early - age crack 通过圆环法混凝土抗裂试验,验证了混凝土收缩与开裂趋势的一致性,进一步证明了早期收缩对混凝土早期裂缝的重要影响。 |