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Waterproof of rock joint with lead strip for splitting tuff sheet in ancient China quarrying caverns

Science China(Technological Sciences) 2012年第4期55卷 960-969页

作者： YANG ZhiFa ZHANG LuQing YUE ZhongQi ZHANG ZhongJian YANG TianYao LIN XianJian TAO KeJie ZHU JieWang Key Laboratory of Engineering Geomechanics Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Department of Civil Engineering University ofHong Kong Hong Kong China Shepandao Hotspring Resort Co. Ltd. Sanmen 317100 China State Key Laboratory of Lithospheric Evolution Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Civil Engineering Institute Shandong Construction University Jinan 250001 China

This paper presents the relics of rock joints caulked with lead strips, unearthed by the authors in 2007 and 2008. The relics were in ancient quarry caverns in Shepan Island, Zhejiang Province, eastern China. The quarry activities were mainly carried out for production of regular tuff stone plates about 800 years ago. Each of the lead strips was sealed into a rock joint by punching manually and carefully. At present, the lead strips still contact tightly with the rock joints and new mineral cerussite is found to have formed at the contact surfaces between the lead strip and its caulked rock joint. The use of lead strips caulking rock joints in quarry caverns is found for prevention of water from seeping out of the country rocks into quarry cavern bases, where all of the in-situ intact tuff rock was manually and near-horizontally split into thin rock sheets one by one for production of regular tuff plates. Furthermore, it is found that the tensile splitting of tuff sheets at the cavern base required the intact rocks at the cavern base had to be dry. Through this horizontal base splitting for tuff sheets from the top to the bottom, a dome-shape interior space was formed for each rock cavern with the near horizontal imprints of thin sheet layers permanently on the sidewalls.

关键词： rock cavern lead strips sealant joints waterproof tuff splitting quarry

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Waterproof of rock joint with lead strip for splitting tuff sheet in ancient China quarrying caverns

Waterproof of rock joint with lead strip for splitting tuff ...

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中国科学院地质与地球物理研究所2012年度（第12届）学术年会

This paper presents the relics of rock joints caulked with lead strips,unearthed by the authors in 2007 and *** relics were in ancient quarry caverns in Sliepan Island,Zhejiang Province,eastern *** quarry activities were mainly carried out for production of regular tuff stone plates about 800 years *** of the lead strips was sealed into a rock joint by punching manually and *** present,the lead strips still contact tightly with the rock joints and new mineral cerussite is found to have formed at the contact surfaces between the lead strip and its caulked rock *** use of lead strips caulking rock joints in quarry caverns is found for prevention of water from seeping out of the country rocks into quarry cavern bases, where all of the in-situ intact tuff rock was manually and near-horizontally split into thin rock sheets one by one for production of regular tuff ***,it is found that the tensile splitting of tuff sheets at the cavern base required the intact rocks at the cavern base had to be *** this horizontal base splitting for tuff sheets from the top to the bottom,a dome-shape interior space was formed for each rock cavern with the near horizontal imprints of thin sheet layers permanently on the sidewalls.

关键词： rock cavern lead strips sealant joints waterproof tuff splitting quarry

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