裂隙-管道介质调蓄系数与补给强度之间关系的试验研究  

Experimental Study of Relationship between Regulating Coefficient and Recharge Rates Through Fissure-conduit Media Model

作　　者：王熹[1,2] 束龙仓[1] 苏佳林[3] 王茂枚 苏小茹[1] 张依楠[1] 

机构地区：[1]河海大学水文水资源与水利工程科学国家重点试验室,江苏南京210098 [2]国电南京自动化股份有限公司,江苏南京210032 [3]水利部水文局,北京100053 [4]江苏省水利科学研究院,江苏南京210017

出　　处：《水电能源科学》2016年第9期139-143,共5页Water Resources and Power

基　　金：国家自然科学基金项目(41172203)

摘　　要：为探究裂隙-管道介质调蓄功能的影响机制,提高岩溶水资源开发利用效率,通过建立裂隙-管道介质物理模型分析了不同补给方式下模型的调蓄系数与补给强度之间的关系。分别设计单独补给落水洞、单独补给裂隙、共同补给裂隙与落水洞三种补给方式的试验,在不同的补给强度下监测泉口流量过程。试验结果表明,随着补给强度的增大,调蓄系数逐渐增大,单独补给裂隙情景下,调蓄系数与补给强度呈指数型增加趋势;单独补给落水洞、共同补给裂隙与落水洞时,调蓄系数与补给强度呈线性增加趋势。当补给达到一定强度后,单独补给裂隙时,调蓄系数不随补给强度变化,而其他两种补给方式下,调蓄系数持续增大。To explore the influencing mechanism of regulating function in fissure-conduit media model and improve the utilization efficiency of water resources in karst area,this paper analyzed the relationship between regulating coefficient and recharge rates at different recharge modes through a fissure-conduit media model.The output flow processes with different recharge rates of the model were monitored in three kinds of recharge mode：single recharging sinkhole,single recharging fissure,and combination of recharging sinkhole and fissure.The results indicate that the regulating coefficient increases with the increasing of recharge rates.Furthermore,regulating coefficient increases in exponential relationship with recharge rates under the circumstance of single recharging sinkhole.As for the other two recharging modes,regulating coefficient increases with recharge rates linearly.The regulating coefficient keeps stable when recharge rates increases to be a specific value at the first recharge mode.However,the coefficient keeps increasing with recharge rates at the other two recharge modes.

关 键 词：调蓄系数 裂隙-管道介质 落水洞 补给强度 补给方式 

分 类 号：P64[天文地球—地质矿产勘探]