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杨凯等:考虑围岩松动圈支护体影响的深埋圆形隧道衬砌优化设计 ·843· 化设计的目标函数 method.Chin J Rock Mech Eng,2004,23 (20)3509 (3)在衬砌材料弹性模量的优化设计时,无论I (贺少辉,马万权,曹德胜,等.隧道湿喷纤维高性能混凝土 和Ⅱ层混凝土的抗压强度是否相等,结构弹性模量比 单层永久衬砌研究.岩石力学与工程学报,2004,23(20): 3509) 值E,/E,和E,/E,随着围岩应力的增大均减小,且在 [6]Du G P,Liu X R,Zhu Y H,et al.Performance examination of 相同大小的围岩应力作用下,总有E,/E,<E2/E.因 steel fiber reinforced shotcrete in tunnel and its engineering appli- 此为达到最优的衬砌弹性模量设计,建议I层衬砌的 cation.Chin J Rock Mech Eng,2008,27(7):1448 弹性模量应大于围岩松动圈支护体的弹性模量. (杜国平,刘新荣,祝云华,等.隧道钢纤维喷射混凝土性能 (4)在衬砌厚度的优化设计时,无论I和Ⅱ层混 试验及其工程应用,岩石力学与工程学报,2008,27(7): 凝土的抗压强度是否相等,三层结构弹性模量比值如 1448) 何变化,I层衬砌的厚度随着围岩应力的增大均增大. ]Du G P.Research on Stability of Fiber Reinforced Concrete among Single Layer Tunneling Lining [Dissertation ]Chongqing: 在相同大小的围岩应力作用下,当E2/E,>E,/E时所 Chongqing University,2013 求得的I层衬砌最优厚度总是小于E,/E,<E2/E3时 (杜国平.纤维混凝土单层衬砌隧道稳定性研究[学位论文] 所求得的【层衬砌厚度,因此可通过改变I层衬砌和 重庆:重庆大学,2013) 围岩松动圈支护体的弹性模量相对大小来调整I和Ⅱ [8]Li A Z,Zhang L Q.Inversion of the functionally graded material 层衬砌的厚度 for subvertical to improve its elastic limit bearing capacity /Pro- ceedings of the Tenth National Symposium on Rock Mechanics and Engineering.Beijing,2008:131 参考文献 (吕爱钟,张路青.用于提高立井井壁弹性极限承载力的梯度 功能材料反演//第十届全国岩石力学与工程学术大会论文 [1]Zhao Z R,Zhang Y Q,Ji L J,et al.The test study of the sur- 集.北京,2008:131) rounding rock pressure acting on the composite lining in weak rock [9]Lii A Z,Zhang N.Inversion of functionally graded materials to of Nanling double track railway tunnel.J Hydraul Eng,1985,16 improve the elastie ultimate bearing capacity of thick-walled hollow (10):29 cylinder.Ade Mater Res,2012,378-379:116 (赵子荣,张玉琴,季良杰,等.南岭双线铁路隧道软岩复合 [10]Lii A Z,Xu G S,Zhang L Q,et al.Optimum design method for 式衬砌围岩压力的试验研究.水利学报,1985,16(10):29) double-ayer thick-walled concrete cylinder with different modu- 2]Xie LC.Experiments and research of the multilayer lining of the lus.Mater Struct,2011,44(5):923 Dayao mountain tunnel:the influence of overbreak backfilling 01] Yang G T.Introduction to Elasticity and Plasticity.2nd Ed.Bei- layer on the bearing capacity of the multilayer lining structure. jing:Tsinghua University Press,2013 Raihwe Sci Eng,1987.5(2):77 (杨桂通.弹塑性力学引论.2版.北京:清华大学出版社, (谢连城.大瑶山隧道复合式衬砌模型试验研究:超挖回填层 2013) 对复合式衬砌承载能力的影响.铁道科学与工程学报,1987, 02] Guo Z H,Wang C Z.Investigation of strength and failure criteri- 5(2):77) on of concrete under multi-axial stresses.China Cir Eng J, Franzen T.Shotcrete for underground support:a state of the art 1991,24(3):1 report with focus on steel-fibre reinforcement.Tunnelling Under- (过镇海,王传志.多轴应力下砼的强度和破坏准则研究研 ground Space Technol,1992,7(4):381 究.土木工程学报,1991,24(3):1) [4]Craig R.A 1994 update of study in progress.Tunnels Tunnelling, [13]Guo Z H.Introduction of multiaxial strength of concrete.Build 1994,26(12):37 Sudt,1991,15(6):72 [5]He S H,Ma W Q,Cao DS,et al.Permanent single-ayer tunnel (过镇海.砼的多轴强度介绍.建筑结构学报,1994,15 lining by fibre-reinforced high performance shotcrete and wet-mix (6):72)杨 凯等: 考虑围岩松动圈支护体影响的深埋圆形隧道衬砌优化设计 化设计的目标函数. ( 3) 在衬砌材料弹性模量的优化设计时,无论Ⅰ 和Ⅱ层混凝土的抗压强度是否相等,结构弹性模量比 值 E2 /E1 和 E2 /E3 随着围岩应力的增大均减小,且在 相同大小的围岩应力作用下,总有 E2 /E1 < E2 /E3 . 因 此为达到最优的衬砌弹性模量设计,建议Ⅰ层衬砌的 弹性模量应大于围岩松动圈支护体的弹性模量. ( 4) 在衬砌厚度的优化设计时,无论Ⅰ和Ⅱ层混 凝土的抗压强度是否相等,三层结构弹性模量比值如 何变化,Ⅰ层衬砌的厚度随着围岩应力的增大均增大. 在相同大小的围岩应力作用下,当 E2 /E1 > E2 /E3 时所 求得的Ⅰ层衬砌最优厚度总是小于 E2 /E1 < E2 /E3 时 所求得的Ⅰ层衬砌厚度,因此可通过改变Ⅰ层衬砌和 围岩松动圈支护体的弹性模量相对大小来调整Ⅰ和Ⅱ 层衬砌的厚度. 参 考 文 献 [1] Zhao Z R,Zhang Y Q,Ji L J,et al. The test study of the sur￾rounding rock pressure acting on the composite lining in weak rock of Nanling double track railway tunnel. J Hydraul Eng,1985,16 ( 10) : 29 ( 赵子荣,张玉琴,季良杰,等. 南岭双线铁路隧道软岩复合 式衬砌围岩压力的试验研究. 水利学报,1985,16( 10) : 29) [2] Xie L C. Experiments and research of the multilayer lining of the Dayao mountain tunnel: the influence of overbreak back-filling layer on the bearing capacity of the multilayer lining structure. J Railw Sci Eng,1987,5( 2) : 77 ( 谢连城. 大瑶山隧道复合式衬砌模型试验研究: 超挖回填层 对复合式衬砌承载能力的影响. 铁道科学与工程学报,1987, 5( 2) : 77) [3] Franzen T. Shotcrete for underground support: a state of the art report with focus on steel-fibre reinforcement. Tunnelling Under￾ground Space Technol,1992,7( 4) : 381 [4] Craig R. A 1994 update of study in progress. Tunnels Tunnelling, 1994,26( 12) : 37 [5] He S H,Ma W Q,Cao D S,et al. Permanent single-layer tunnel lining by fibre-reinforced high performance shotcrete and wet-mix method. Chin J Rock Mech Eng,2004,23( 20) : 3509 ( 贺少辉,马万权,曹德胜,等. 隧道湿喷纤维高性能混凝土 单层永久衬砌研究. 岩石力学与工程学报,2004,23 ( 20) : 3509) [6] Du G P,Liu X R,Zhu Y H,et al. Performance examination of steel fiber reinforced shotcrete in tunnel and its engineering appli￾cation. Chin J Rock Mech Eng,2008,27( 7) : 1448 ( 杜国平,刘新荣,祝云华,等. 隧道钢纤维喷射混凝土性能 试验及其工程应用,岩石力学与工程学报,2008,27 ( 7) : 1448) [7] Du G P. Research on Stability of Fiber Reinforced Concrete among Single Layer Tunneling Lining [Dissertation]. Chongqing: Chongqing University,2013 ( 杜国平. 纤维混凝土单层衬砌隧道稳定性研究[学位论文]. 重庆: 重庆大学,2013) [8] Lü A Z,Zhang L Q. Inversion of the functionally graded material for subvertical to improve its elastic limit bearing capacity / / Pro￾ceedings of the Tenth National Symposium on Rock Mechanics and Engineering. Beijing,2008: 131 ( 吕爱钟,张路青. 用于提高立井井壁弹性极限承载力的梯度 功能材料反演 / / 第十届全国岩石力学与工程学术大会论文 集. 北京,2008: 131) [9] Lü A Z,Zhang N. Inversion of functionally graded materials to improve the elastic ultimate bearing capacity of thick-walled hollow cylinder. Adv Mater Res,2012,378-379: 116 [10] Lü A Z,Xu G S,Zhang L Q,et al. Optimum design method for double-layer thick-walled concrete cylinder with different modu￾lus. Mater Struct,2011,44( 5) : 923 [11] Yang G T. Introduction to Elasticity and Plasticity. 2nd Ed. Bei￾jing: Tsinghua University Press,2013 ( 杨桂通. 弹塑性力学引论. 2 版. 北京: 清华大学出版社, 2013) [12] Guo Z H,Wang C Z. Investigation of strength and failure criteri￾on of concrete under multi-axial stresses. China Civ Eng J, 1991,24( 3) : 1 ( 过镇海,王传志. 多轴应力下砼的强度和破坏准则研究研 究. 土木工程学报,1991,24( 3) : 1) [13] Guo Z H. Introduction of multiaxial strength of concrete. J Build Struct,1991,15( 6) : 72 ( 过镇海. 砼 的 多 轴 强度 介 绍. 建 筑 结 构 学 报,1994,15 ( 6) : 72) · 348 ·
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