Farmland Works Planning and Design Under Water Storage Pit Irrigation in Hilly Regions—A Case Study at Water-saving Irrigation Demonstration Garden in Taigu County of Shanxi Province

CAI Shangbin; MA Juanjuan; SUN Xihuan; GUO Xianghong; CHEN Qianqiu; CHAI Mengying

doi:10.13961/j.cnki.stbctb.2018.06.021

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Farmland Works Planning and Design Under Water Storage Pit Irrigation in Hilly Regions—A Case Study at Water-saving Irrigation Demonstration Garden in Taigu County of Shanxi Province

- Farmland Works Planning and Design Under Water Storage Pit Irrigation in Hilly Regions—A Case Study at Water-saving Irrigation Demonstration Garden in Taigu County of Shanxi Province
- Bulletin of Soiland Water Conservation Vol. 38, Issue 6, Pages: 138-143(2018)
- 作者机构：
  
  1. 太原理工大学水利科学与工程学院,山西,太原,030024
  2. 晋中学院,山西,晋中,030619
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2018.06.021
  CLC：
- Published：2018
- 稿件说明：
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CAI Shangbin, MA Juanjuan, SUN Xihuan, et al. Farmland Works Planning and Design Under Water Storage Pit Irrigation in Hilly Regions—A Case Study at Water-saving Irrigation Demonstration Garden in Taigu County of Shanxi Province[J]. Bulletin of Soiland Water Conservation, 2018, 38(6): 138-143.
DOI：

CAI Shangbin, MA Juanjuan, SUN Xihuan, et al. Farmland Works Planning and Design Under Water Storage Pit Irrigation in Hilly Regions—A Case Study at Water-saving Irrigation Demonstration Garden in Taigu County of Shanxi Province[J]. Bulletin of Soiland Water Conservation, 2018, 38(6): 138-143. DOI： 10.13961/j.cnki.stbctb.2018.06.021.

摘要

[目的] 对蓄水坑灌田间工程规划设计进行研究，解决蓄水坑灌未来推广运用中的问题，为推动山丘区蓄水坑灌的规模化、产业化发展奠定基础。[方法] 以山西省太谷县节水灌溉示范园区为背景，将蓄水坑灌田间工程基本要素与微灌工程技术和低压管道输水灌溉工程技术相结合，因地制宜地对蓄水坑灌田间工程进行设计。[结果] 采用水平集雨沟整地方法；每株果树布置4个蓄水坑，蓄水坑深度40 cm；在降雨径流蓄滞能力设计为5 a一遇24 h最大暴雨量标准下，蓄水坑设计直径为30 cm；坑内布置一体化设计的底板、固壁和顶盖；环状沟深度20 cm，宽度30 cm，半径50 cm；输配水闸管系统包括干管、支管、毛管3级，管材为聚乙烯；四孔出流毛管沿环状沟内径呈环形绕树布置；给出了各管道管径、长度及进口工作水头的计算方法，以及系统工作制度的确定方法。[结论] 对整地技术、蓄水坑设计与布置技术和低压管道系统设计技术的规划设计，能够满足山丘区蓄水坑灌的特殊灌溉要求。

Abstract

[Objective] The farmland works planning and design under water storage pit irrigation is studied to solve the problems of future promotion and application

in order to lay the foundation for promoting large-scale and industrialized development of water storage pit irrigation in hilly regions.[Methods] Taking the water-saving irrigation demonstration garden in Taigu County

Shanxi Province as an example

water storage pit irrigation farmland works planning and design was carried on

by reference to micro-irrigation projects and low-pressure pipeline irrigation projects.[Results] Parallel rainwater harvesting ditches were adopted in land leveling. Each tree was allocated 4 pits

the water storage pits were 40 cm deep. The pit diameter was 30 cm

under the detention capacity of rainfall runoff standard of 24 hours maximum rainstorm volume occurred every 5 years. Every pit was decorated with a baseplate

a solid wall and a head cover as a whole. The annular grooves were 20 cm deep

30 cm wide

with a radius of 50 cm. The pipe network included three levels:main pipes

branch pipes and laterals

made of polyethylene. The annular four-outlets lateral was around the tree; the calculation methods for the pipe diameters

lengths

and import working heads and the determination method for the working system were provided.[Conclusion] The planning and design of land leveling technology

water storage design and layout technology

and low-pressure pipeline system design technology can meet the special demand of water storage pit irrigation in hilly regions.

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references

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