| 水泥石单一裂隙的渗流规律及其遇水自愈合性能 | |
| 卢子臣 ; 孔祥明 ; 岳蕾 ; 王其春 ; 刘伟 ; 曾敏 ; LU Zichen ; KONG Xiangming ; YUE Lei ; WANG Qichun ; LIU Wei ; ZENG Min | |
| 2016-03-30 ; 2016-03-30 | |
| 关键词 | 水泥石 裂缝 渗流规律 自愈合 harden cement paste crack water flow self-healing TU525 |
| 其他题名 | Water Flow Through Single Crack in Hardened Cement Paste and Self-healing Property of Crack |
| 中文摘要 | 采用不同压差下的渗水实验研究了水在水泥石单一裂缝中的渗流规律及裂缝的自愈合性能。结果表明:水在水泥石单一裂缝中的渗流符合平面层流的Poiseuille定律,由此可计算得到有效裂缝宽度。通过在静态水中浸泡及动态水中的渗流实验研究了水泥石裂缝的自愈合性能。单一裂隙水泥石无论是在静态水浸泡还是在动态水连续渗流过程中均能发生自愈合现象,裂隙表面生成CaCO3晶体;低压差下已经愈合的裂缝存在临界渗流压差,当水头压差超过临界压差时可重新发生渗流。; In order to clarify the water flow rule and self-healing property of cracks in harden cement paste(HCP),the water fluxes under various pressure differences were measured and the self-healing property was evaluated.The results show that the water flow through a single crack in hardened cement paste follows the Poiseuille law.The effective crack width can be calculated based on the law.The self-healing of cracks in HCP can be achieved under conditions of either the static water immersion or the dynamic water flow.The calcium carbonate is produced on the surface of crack.The threshold pressure gradient is exited in the healed crack and the seepage of water through the healed crack can occur above the threshold pressure gradient. |
| 语种 | 中文 ; 中文 |
| 内容类型 | 期刊论文 |
| 源URL | [http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/149007]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | 卢子臣,孔祥明,岳蕾,等. 水泥石单一裂隙的渗流规律及其遇水自愈合性能[J],2016, 2016. |
| APA | 卢子臣.,孔祥明.,岳蕾.,王其春.,刘伟.,...&ZENG Min.(2016).水泥石单一裂隙的渗流规律及其遇水自愈合性能.. |
| MLA | 卢子臣,et al."水泥石单一裂隙的渗流规律及其遇水自愈合性能".(2016). |
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