upvc塑料排水立管最大允许充水率α值试验的研究

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1、湖南大学学位论文原创性声明本人郑重声明所呈交的论文是本人在导师的指导下独立进行研究所取得的研究成果。除了文中特别加以标注引用的内容外，本论文不包含任何其他个人或集体。对本文的研究做出重要贡献的个已经发表或撰写的成果作品人和集体，均。已在文中以明确方式标明本人完全意识到本声明的法律后果由本人承担。作者签“清牵日期侧年了月日学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权湖南大学可以将本学位论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或

2、扫描等复制手段保存和汇编本学位论文。本学位论文属于、，。保密口在年解密后适用本授权书、不保密。口“丫”请在以上相应方框内打作者签名志伟日期夕即谁年月夕日导师签“一。。街司日期么年月日一一一一一一一一、在职人员你学力硕十学位论文目一录一，’“摘票匕七插画索引附表索弓第章少一一一一蕊一一…一…一……解姗井拼沂步····甲，一‘··········，·‘···一今一…升淤淤燕点蕊一川丫跳亨篡罢翼黑黑翼晏。、··‘，，，‘日本建筑排水立管理论计，’脚’一，’…，’，算公式一一，’，’二国内有关排水理论的试验研究现状，工本研究的提出及现实意义充水率的概念、‘一·一‘，’，’，’

3、“价，’，’，’一，··蕴蔽二…一·，’户第之章黑馨霖粼彗蘸镇几硫……一黑霖翼黑黑黑豁蓄黔二二一一一二冀︸︸﹃柳了不争，‘蒸蒸子鄂一不普通单立管伸顶通气条件下塑料排水立管通水能力的试验研究狱撇篇茗馨飞留黑偿粼黑童黑黑器翼一‘，当立管最大负压为礴功凡时最不利层的存水弯的水封损失的情、，，况冲乃·，·‘、同一高度下下同侧压点他压力变化的比较州脚价一，，’，’·一「、去变水头水箱一排水孔匀自径为水容认伸顶通气管为于条件下立管塑料排水立管最大允许充水率值的试验研究内压力波动的试验··············································”··

4、··················……试验数据整理与分析···············································。·……设专用通气立管条件下塑料排水立管通水能力的试验研究·····一一变水头、设专用通气立管管径为中条件下塑料排水立管通水能力的试验·····，，·········，··························································……一变水头、设专用通气立管管径为中条件下塑料排水立管通水能力的试验·······················，···········

5、·············，····························……，设专用通气立管小条件下塑料排水立管内压力波动的试验…，试验数据整理与分析···············，···················，，···················一············无通气条件下塑料排水立管通水能力的试验……，’……·········，··················斌························”本章小结………一…·····························，第章塑料排水立管终限流速的测定……··

6、··························，塑料排水立管终限流速的公式推导……水膜流状态时水流下落速度方程···································……·····································”…，’塑料排水立管的终限流速，’一··················，······················，····，塑料排水立管的终限长度…························，··········，”塑料排水立管终限流速的测定…················，八终限流速的测定方法

7、探讨一，’……，’…………···仅设伸顶通气管管径为中条件下立管终限流速的测定……设专用通气立管管径为小条件下立管终限流速的测定，’……无通气条件下立管终··························……限流速的测定本章小结········································································……。··················”第章塑料排水立管最大允许充水率的确定……，塑料排水立管最大允许充水率的确定···························……···