CN103678735A - 面积管长比法划分雨排水汇水面积 - Google Patents

面积管长比法划分雨排水汇水面积 Download PDF

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CN103678735A
CN103678735A CN201210326178.6A CN201210326178A CN103678735A CN 103678735 A CN103678735 A CN 103678735A CN 201210326178 A CN201210326178 A CN 201210326178A CN 103678735 A CN103678735 A CN 103678735A
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施建刚
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Abstract

这是室外雨排水管渠计算中汇水面积划分的电算方案，该方案以总面积除以布线总长度得出一个数值（称为“面积管长比”），然后以各分管段长乘以“面积管长比”得出该管段的汇水面积。面积管长比机算方案是一种优化，更符合极限强度法推导计算暴雨强度的条件，提高了机算的效率，解决了计算的连续性，对于小区域机算及大区域规划均具有重要的实用价值。

Description

面积管长比法划分雨排水汇水面积
技术领域
室外雨排水管渠计算的汇水面积划分算法,在自动化计算设计软件输入数据的组织中提供数值。
背景技术
室外雨排水管渠的设计计算中需要输入汇水面积的大小，按现行的规范、手册只能采用量取面积手工输入的传统方法，这种方法一方面不能适应计算机的高效操作，另一方面从计算公式的推导来看也是一种近似的算法，与推导的原则出入很大。暴雨流量的计算是从极限强度法原理推导得出的，推导的基本假设是汇水面积随时间的增长速率为常数，传统方法与这个假设出入较大，而比面积法则更好地符合这个假设。
发明内容
在室外雨排水管渠的计算中，均匀布置管渠定线后，统计管渠线的总长度，以总面积除以此总长度得出一个数值（称为“面积管长比”），然后以每个分管线段乘以“面积管长比”即得出该管线段的汇水面积。面积管长比法划分雨排水汇水面积算法代替传统算法不仅提供了电脑的高效算法，也提高了管网的计算准确度，有益于市政雨排水管渠的建设。

Claims (3)

1.一种软件计算的算法，在室外雨排水的程序计算或数据表链计算中，累计计算区域所有管线分段的长度得出总管长，以相应计算区域的总面积除以总管长得出“面积管长比”，再由各分段的长度乘以“面积管长比”得出各分段的汇水面积。
2.一种数据库链接计算的算法，在服务器端从数据库提取室外雨排水的管长数据，累计计算区域所有管线分段的长度得出总管长，以相应计算区域的总面积除以总管长得出“面积管长比”，再由各分段的长度乘以“面积管长比”得出各分段的汇水面积。
3.一种数据表链计算的算法，在室外雨排水的数据表链计算中，累计计算区域所有管线分段的长度得出总管长，以相应计算区域总面积除以总管长得出“面积管长比”，再由各分段的长度乘以“面积管长比”得出各分段的汇水面积。
CN201210326178.6A 2012-09-06 2012-09-06 面积管长比法划分雨排水汇水面积 Pending CN103678735A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086863A1 (de) * 1982-02-18 1983-08-31 GebràœDer Sulzer Aktiengesellschaft Verfahren und Anlage zur biologischen Denitrifikation von Grundwasser
CN1897023A (zh) * 2006-06-29 2007-01-17 中国海洋大学 水资源信息管理与规划系统
CN102122395A (zh) * 2011-01-31 2011-07-13 武汉大学 一种保持地形特征的自适应尺度dem建模方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086863A1 (de) * 1982-02-18 1983-08-31 GebràœDer Sulzer Aktiengesellschaft Verfahren und Anlage zur biologischen Denitrifikation von Grundwasser
CN1897023A (zh) * 2006-06-29 2007-01-17 中国海洋大学 水资源信息管理与规划系统
CN102122395A (zh) * 2011-01-31 2011-07-13 武汉大学 一种保持地形特征的自适应尺度dem建模方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴小平等: "《市政排水管网节点汇面积自动化计算的方法和应用", 《武汉大学学报· 信息科学版》 *
施建刚, 蔡波妮: "面积管长比法划分汇水面积的探讨", 《中国给水排水》 *

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