海下石油储库硫铝酸盐水泥注浆材料研究
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摘要
目前我国正在规划建设海下石油储库,其对岩体补强注浆材料提出了更高要求,需要在海水拌和条件下具有流动性好、早强、高强的性能,同时要在海水浸没条件下具有后期强度稳定不倒缩等特点。根据海下石油储库对注浆材料的约束条件,选用硫铝酸盐水泥为基料,在海水条件下对不同外加剂进行比选。试验发现,掺加相同的减水剂,采用海水拌和比采用淡水拌和的流动度会降低,采用硼酸作为缓凝剂调节凝结时间能获得较理想的线性度,采用UNF–5减水剂会使水泥强度产生较大波动,无法满足海下储库对注浆材料的要求,采用F10密胺系减水剂能保证材料早期强度高,后期强度不倒缩,整体保持稳定上升趋势。最终试验制备出了满足海下石油储库建设中破碎岩体补强要求的注浆材料。
The under-ground oil storage has been developing in China recently. Because of the specificity of under sea oil storage,the conditions of grouting material was more strict than other projects. The material must have good fluidity,high initial strength,and stable high strength in long term. Aims at the specific conditions of under sea storage grouting material,sulphoaluminate cement was selected as grouting basic material in this experiment,and different admixtures were selected to test the adaptation with cement. It was found that the fluidity was lower when mixed with sea water compared with fresh water;boric acid can adjust the initial and final set time with a good linearity;the strength of the cement was guaranteed by mixing F10 water reducer but the UNF–5 made it fluctuant. Therefore,the grouting material of under sea oil storage was mixed out which was satisfied with the constraint conditions.
The under-ground oil storage has been developing in China recently. Because of the specificity of under sea oil storage,the conditions of grouting material was more strict than other projects. The material must have good fluidity,high initial strength,and stable high strength in long term. Aims at the specific conditions of under sea storage grouting material,sulphoaluminate cement was selected as grouting basic material in this experiment,and different admixtures were selected to test the adaptation with cement. It was found that the fluidity was lower when mixed with sea water compared with fresh water;boric acid can adjust the initial and final set time with a good linearity;the strength of the cement was guaranteed by mixing F10 water reducer but the UNF–5 made it fluctuant. Therefore,the grouting material of under sea oil storage was mixed out which was satisfied with the constraint conditions.
引文
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[13]郭俊萍,肖忠明,黄芳,等.海水拌合硫铝酸盐水泥性能及机理分析[J].水泥,2017,(9):7-10.(GUO Junping,XIAO Zhongming,HUANG Fang,et al.Performance and mechanism analysis of sea water mixed sulfoaluminate cement[J].Cement,2017,(9):7-10.(in Chinese))
[14]廖宜顺,刘楚明,康爽,等.海水环境下掺合料对硫铝酸盐水泥的水化影响[C]//中国硅酸盐学会水泥分会第六届学术年会论文摘要集.[S.l.]:[s.n.],2016:1.(LIAO Yishun,LIU Chuming,KANGShuang,et al.Effect of mineral admixtures on the hydration of sulphoaluminate cement under seawater condition[C]//Abstract Collection of Papers of the 6th Annual Conference of Cement Branch of China Silicate Society.[S.l.]:[s.n.],2016:1.(in Chinese))
[15]杜纪锋.硫铝酸盐水泥基灌浆材料结构与性能的研究[济南大学学位论文][D].济南:济南大学,2008.(DU Jifeng.Study on the structure and properties of sulphoaluminate cement grouting materials[Master Dissertation,Jinan University].Jinan:Jinan University,2008.(in Chinese))
[16]WEI X,LIU X,DUAN Y,et al.Property transformation of a modified sulfoaluminate grouting material under pressure circulation for a water-sealed underground oil cavern[J].Construction and Building Materials,2017,140:210-220.
[17]中华人民共和国国家标准编写组.GB/T 8077-2012混凝土外加剂匀质性试验方法[S].北京:中国标准出版社,2013.(National Standard Compilation Group of the People?s Republic of China.GB/T8077-2012 Methods for testing uniformity of concrete admixture[S].Beijing:Standards Press of China,2013.(in Chinese))
[18]中华人民共和国国家标准编写组.GB/T 1346-2011水泥标准稠度用水量、凝结时间、安定性检验方法[S].北京:中国标准出版社,2011.(National Standard Compilation Group of the People’s Republic of China.GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the Portland cement[S].Beijing:Standards Press of China,2011.(in Chinese))
[2]杨庆,朱训国,栾茂田.全长注浆岩石锚杆双曲线模型的建立及锚固效应的参数分析[J].岩石力学与工程学报,2007,26(4):692-698.(YANG Qing,ZHU Xunguo,LUAN Maotian.Development of hyperbolic model for fully grouting rock bolt and parameters analysis for anchoring effect[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(4):692-698.(in Chinese))
[3]崔新健.中国石油安全的战略抉择分析[J].财经研究,2004,30(5):130-137.(CUI Xinjian.An analysis on the strategy choice of China’s oil security[J].Journal of Finance and Economics,2004,30(5):130-137.(in Chinese))
[4]陈毓川.建立我国战略性矿产资源储备制度和体系[J].国土资源,2002,(1):20-21.(CHEN Yuchuan.To establish a reserve system of strategic mineral resources in China[J].Land and Resources,2002,(1):20-21.(in Chinese))
[5]陶杰.新加坡建东南亚首个地下储油库[J].石油化工腐蚀与防护,2014,(5):23.(TAO Jie.Singapore established first underground oil storage in Southeast Asia[J].Corrosion and Protection in Petrochemical Industry,2014,(5):23.(in Chinese))
[6]某国家石油储备基地有限责任公司.某国家石油储备地下水封洞库工程主洞室及水幕巷道施工技术要求[EB].[S.l.]:某国家石油储备基地有限责任公司,2011.(A National Petroleum Reserve Base LLC.A national petroleum reserve base technical requirements of main chamber and water curtain in constructing underground water-sealed cavern[EB].[S.l.]:A National Petroleum Reserve Base LLC,2011.(in Chinese))
[7]魏雪斐.大型地下水封储库围岩松动圈主动承载体系研究[清华大学学位论文][D].北京:清华大学,2016.(WEI Xuefei.Research on rock loosen zone self-bearing system in large underground watersealed storage caverns[Ph.D.Thesis][D].Beijing:Tsinghua University,2016.(in Chinese))
[8]中华人民共和国国家标准编写组.GB20472-2006硫铝酸盐水泥[S].北京:中国标准出版社,2007.(The National Standards Compilation Group of People?s Republic of China.GB20472-2006 sulphoaluminate cement[S].Beijing:Standards Press of China,2007.(in Chinese))
[9]某国家石油储备地下水封洞库工程建设项目部.大型地下水封石洞油库建设关键技术集成创新方案[EB].[S.l.]:某国家石油储备地下水封洞库工程建设项目部,2011.(A Construction Department of National Underground Water-sealed Oil Storage.Integrated innovation of key technologies for construction of large underground water-sealed oil storage[EB].[S.l.]:A Construction Department of National Underground Water-sealed Oil Storage,2011.(in Chinese))
[10]某国家石油储备地下水封洞库工程建设项目部,大型地下水封石洞油库岩土工程勘察报告[EB].[S.l.]:某国家石油储备地下水封洞库工程建设项目部,2011.(A Construction Department of National Underground Water-sealed Oil Storage,Geotechnical investigation report of large underground water-sealed oil storage[EB].[S.l.]:AConstruction Department of National Underground Water-sealed Oil Storage,2011.(in Chinese))
[11]中华人民共和国国家标准编写组.GB 50455-2008地下水封石洞油库设计规范[S].北京:中国计划出版社,2009.(The National Standards Compilation Group of People?s Republic of China.GB50455-2008 Code for design of underground oil storage in rock caverns[S].Beijing:China Planning Press,2009.(in Chinese))
[12]王燕谋,苏慕珍,张量.硫铝酸盐水泥[M].北京:北京工业大学出版社,1999.(WANG Yanmou,SU Muzhen,ZHANG Ling.sulphoaluminate cement[M].Beijing:Beijing University of Technology Press,1999.(in Chinese))
[13]郭俊萍,肖忠明,黄芳,等.海水拌合硫铝酸盐水泥性能及机理分析[J].水泥,2017,(9):7-10.(GUO Junping,XIAO Zhongming,HUANG Fang,et al.Performance and mechanism analysis of sea water mixed sulfoaluminate cement[J].Cement,2017,(9):7-10.(in Chinese))
[14]廖宜顺,刘楚明,康爽,等.海水环境下掺合料对硫铝酸盐水泥的水化影响[C]//中国硅酸盐学会水泥分会第六届学术年会论文摘要集.[S.l.]:[s.n.],2016:1.(LIAO Yishun,LIU Chuming,KANGShuang,et al.Effect of mineral admixtures on the hydration of sulphoaluminate cement under seawater condition[C]//Abstract Collection of Papers of the 6th Annual Conference of Cement Branch of China Silicate Society.[S.l.]:[s.n.],2016:1.(in Chinese))
[15]杜纪锋.硫铝酸盐水泥基灌浆材料结构与性能的研究[济南大学学位论文][D].济南:济南大学,2008.(DU Jifeng.Study on the structure and properties of sulphoaluminate cement grouting materials[Master Dissertation,Jinan University].Jinan:Jinan University,2008.(in Chinese))
[16]WEI X,LIU X,DUAN Y,et al.Property transformation of a modified sulfoaluminate grouting material under pressure circulation for a water-sealed underground oil cavern[J].Construction and Building Materials,2017,140:210-220.
[17]中华人民共和国国家标准编写组.GB/T 8077-2012混凝土外加剂匀质性试验方法[S].北京:中国标准出版社,2013.(National Standard Compilation Group of the People?s Republic of China.GB/T8077-2012 Methods for testing uniformity of concrete admixture[S].Beijing:Standards Press of China,2013.(in Chinese))
[18]中华人民共和国国家标准编写组.GB/T 1346-2011水泥标准稠度用水量、凝结时间、安定性检验方法[S].北京:中国标准出版社,2011.(National Standard Compilation Group of the People’s Republic of China.GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the Portland cement[S].Beijing:Standards Press of China,2011.(in Chinese))