济南千佛山断裂与文化桥断裂导水透水性研究
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摘要
针对已有资料,推断出济南市区段千佛山断裂与文化桥断裂的构造形成过程,通过整理千佛山断裂与文化桥断裂周围分布的大量钻孔数据,从地层岩性特点,重点研究市区内千佛山断裂与文化桥断裂的导水性与透水性。研究表明,地垒处东南高、西北低的地势特点,对四大泉群的形成具有重要作用。千佛山断裂在市区内从南郊宾馆至明湖北路4km范围内具有透水性,明湖北路以北断裂EW向隔水不连通。文化桥断裂在市区内经十路至明湖北路之间3.7km范围内为EW向透水断裂;在经十路以南部分,断裂处南北向导水受阻,这是由于浅层强风化闪长岩钙华沉积所致。位于四大泉群正西方向的千佛山断裂,东西两侧透水性好,垂直方向上导水畅通,但由于上部沉积较厚粘土隔水层,因而没有出现泉水喷涌。
Based on the existing data,the formation process of Qianfoshan fault and Wenhuaqiao fault in Jinan urban area have been conducted in this paper.The characteristics of formation lithology of these two faults have been discussed by using plenty of borehole data.From lithology characteristics,water conductivity and permeability of two faults in urban area have been studied.It is showed that the topography of horst which is high in southeast and low in northwest plays an important role in the formation of the four big spring groups.Qianfoshan fault has water permeability in the range of 4 km from Nanjiao Hotel to Minghubei Road,but the fault to the north of Minghubei Road is impermeable.The Wenhuaqiao fault is permeable within the range of 3.7 km from Jingshi Road to Minghubei Road,but because of the travertine deposition in shallow intense weathering diorite,the water conductivity to the south of Jingshi Road is blocked from south to north.The part of Qianfoshan fault which in the due west of four big spring groups has good water permeability in horizontal direction and good conductivity in vertical direction,but on account of the thick acquiclude of clay overlying,there is no spring occur.It has important significance for subway construction in the future.
Based on the existing data,the formation process of Qianfoshan fault and Wenhuaqiao fault in Jinan urban area have been conducted in this paper.The characteristics of formation lithology of these two faults have been discussed by using plenty of borehole data.From lithology characteristics,water conductivity and permeability of two faults in urban area have been studied.It is showed that the topography of horst which is high in southeast and low in northwest plays an important role in the formation of the four big spring groups.Qianfoshan fault has water permeability in the range of 4 km from Nanjiao Hotel to Minghubei Road,but the fault to the north of Minghubei Road is impermeable.The Wenhuaqiao fault is permeable within the range of 3.7 km from Jingshi Road to Minghubei Road,but because of the travertine deposition in shallow intense weathering diorite,the water conductivity to the south of Jingshi Road is blocked from south to north.The part of Qianfoshan fault which in the due west of four big spring groups has good water permeability in horizontal direction and good conductivity in vertical direction,but on account of the thick acquiclude of clay overlying,there is no spring occur.It has important significance for subway construction in the future.
引文
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[3]张兰新,徐扬,张慧.济南白泉泉群形成机理研究[J].山东国土资源,2017,33(8):58-62.
[4]崔爱萍,于翠翠.百脉泉泉群流量动态特征及影响因素分析[J].山东国土资源,2016,32(9):32-37.
[5]胡丙忠.明水泉群成因机理及泉域岩溶地下水数值模拟[D].青岛:山东科技大学,2012:41-45.
[6]邹连文,商广宇,张明泉,等.济南泉水来源区域探讨[J].中国水利,2008(7):22-24.
[7]赵延铸.济南泉水地理[M].济南:济南出版社,2015:73-85.
[8]韩连山,汪玉静,韩昱.千佛山与趵突泉泉水形成关系研究[J].山东国土资源,2015,31(12):27-32.
[9]孙斌,彭玉明,李常锁,等.济南岩溶水系统划分及典型泉域水力联系[J].山东国土资源,2016,32(10):32-36.
[10]刘国爱,赵新华.济南泉域岩溶水动态特征及有关问题讨论[J].山东地质,1997,13(2):67-73.
[11]陈鸿汉,张永祥.中国北方岩溶区地下岩溶水库-地表水库联合调蓄[J].地学前缘,2001,8(1):185-190.
[12]刘莉莉,宋苏林,崔春梅.济南泉水的成因及保泉对策研究[J].山东水利,2013(5):17-18.
[13]郝永艳.三给地垒岩溶地下水系统及水源地保护区划分研究[D].太原:太原理工大学,2011:29-36.
[14]陶晓风,刘登忠,朱利东,等.西藏措勤地区夏康坚地垒的形成及隆升特征[J].地质通报,2003,22(11~12):941-943.
[15]陈喜昌.压性断裂的导水性研究[J].山地研究,1985,3(1):60-65.
[16]QIAN J,ZHAN H B,WU Y F,et al.Fractured-karst spring-flow protections:a case study in Jinan,China[J].Hydrogeology Journal,2006,14(7):1192-1205.
[17]陈宏峰,张发旺,何愿,等.地质与地貌条件对岩溶系统的控制与指示[J].水文地质工程地质,2016,43(5):42-47.