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·752. 工程科学学报,第38卷,第6期 2014,39(5):861 12 (王俊,孙书伟,陈冲.饱水黄土基底排土场地质力学模型实 10 验研究.煤炭学报,2014,39(5):861) 2]Sun K,Tian B.Discussion on application of resection in the sub- sidence monitoring of the dump.Geomatics Spat Inf Technol,2014 6 实测沉降率 (11):219 数值模拟监测点A,工后沉降率 (孙坤,田彬.后方交会在排土场沉降监测中应用的探讨.测 数值模拟监测点A,工后沉降率 数值模拟监测点A,工后沉降率 绘与空间地理信息,2014(11):219) 数值模拟各监测点平均工后沉降率 B] Kan S L,Sun S G,Li X F,et al.Numerical analysis of slope de- 定常burgers模型工后沉降率 formation and destroy law for huge soft hill base on hillside stack dump.Nonferrous Met Min Sect,2010(6):49 567 (阚生雷,孙世国,李晓芳,等.山坡堆积型排土场厚软基底边 时间a 坡变形破坏规律数值分析.有色金属(矿山部分),2010(6): 图9数值计算工后沉降率变化曲线 49) Fig.9 Numerical calculation curves of post-construction settlement [4 Sowers G F.Settlement of waste disposal fills /Proceeding of the rate 8th International Conference on Solid Mechanies and Foundation Engineering.New York:Springer,1973 18 ·一非定常然变各单层工后沉降率 [5 Du WW,Liu B C.The calculation of displacements of a waste 一数值模拟各单层工后沉降率 15 dump on horizontal foundation.Min Metallurgical Eng,1990 (1):2 12 (杜维吾,刘宝琛.水平地基排土场沉降位移计算.矿治工程, 1990(1):2) 9 Zhu ML.Zhu Z D,Li Z J,et al.Preliminary study of non-sta- 6 tionary shear rheological model of wall rock of long,large and deep buried tunnel.Chin J Rock Mech Eng,2008,27 (7)1436 下层 中间层 上层 (朱明礼,朱珍德,李志敬,等。深埋长大隧洞围岩非定常剪切 流变模型初探.岩石力学与工程学报,2008,27(7):1436) U 3 456 78910 ] Chen X P,Zhu HH,Zhou Q J.Study on modified generalized 第单层 Kelvin creep consolidation model.Chin J Rock Mech Eng,2006. 图10数值模拟与非定常蠕变模型各单层工后沉降率对比 25(Suppl2):3428 Fig.10 Comparison of each monolayer postconstruction settlement (陈晓平,朱鸿鹄,周秋娟.修正广义K©vin蠕变固结模型研 rate between the numerical simulation and the non-steady Burgers 究.岩石力学与工程学报,2006,25(增刊2):3428) creep model 8] Li L Q,Xu W Y,Wang W.A nonlinear viscoelastoplastic rheo- logical model based on Nishihara's model.Chin Theor Appl 对齐大山铁矿排土场现场监测数据进行拟合,相关系 Mech,2009,41(5):671 数均较高,根据拟合曲线趋势,lO0a后定常Burgers模 (李良权,徐卫亚,王伟.基于西原模型的非线性黏弹塑性流 型曲线沉降值为I3.72m,非定常Burgers模型曲线沉 变模型.力学学报,2009,41(5):671) 降值为5.07m,对于发散型曲线的定常Burgers模型在 ] Kang Y G,Zhang X E.A non-stationary model for rock creep 沉降后期不能反映排土场真实沉降量,而非定常B- based on Burgers model.Rock Soil Mech,2011,32 (Suppl 1): ges模型最终沉降量和真实情况较为相符. 424 (康永刚,张秀娥.基于Burg©s模型的岩石非定常蠕变模型. (3)通过对排土场各单层工后沉降分析及蠕变 岩土力学,2011,32(增刊1):424) 数值计算,得出各单层沉降率的变化规律,即排土场 1o] Xiong L X,Yang L D,Zhang Y.Non-stationary Burgers model 各单层工后沉降量上层沉降值小于下层和中间层, for rock.J Cent South Univ Sci Technol,2010,41 (2):679 上层沉降量呈现单调递减,且越接近排土场顶部单 (熊良宵,杨林德,张尧.岩石的非定常Burgers模型.中南大 层沉降量越小,顶部单层沉降量达到最小,中间层沉 学学报(自然科学版),2010,41(2):679) 降量相对下层沉降量要大,其中第5单层沉降量最 01] Wang L C,He F,Liu X F,et al.Nonlinear creep model and stability analysis of rock.Chin J Rock Mech Eng,2004,23 大(共10层). (10):1640 (王来贵,何峰,刘向峰,等。岩石试件非线性蠕变模型及其 参考文献 稳定性分析.岩石力学与工程学报,2004,23(10):1640) [12]Ding Z K,Lii A Z.Parameter identification of non-stationary Wang J,Sun S W,Chen C.Geo-mechanical model experiment creep equation of rocks.Rock Soil Mech.2004,25(Suppl 1): research of dumping site on loess basement.J China Coal Soc,工程科学学报,第 38 卷,第 6 期 图 9 数值计算工后沉降率变化曲线 Fig. 9 Numerical calculation curves of post-construction settlement rate 图 10 数值模拟与非定常蠕变模型各单层工后沉降率对比 Fig. 10 Comparison of each monolayer post-construction settlement rate between the numerical simulation and the non-steady Burgers creep model 对齐大山铁矿排土场现场监测数据进行拟合,相关系 数均较高,根据拟合曲线趋势,100 a 后定常 Burgers 模 型曲线沉降值为 13. 72 m,非定常 Burgers 模型曲线沉 降值为 5. 07 m,对于发散型曲线的定常 Burgers 模型在 沉降后期不能反映排土场真实沉降量,而非定常 Bur￾gers 模型最终沉降量和真实情况较为相符. ( 3) 通过对排土场各单层工后沉降分析及蠕变 数值计算,得出各单层沉降率的变化规律,即排土场 各单层工后沉降量上层沉降值小于下层和中间层, 上层沉降量呈现单调递减,且越接近排土场顶部单 层沉降量越小,顶部单层沉降量达到最小,中间层沉 降量相对下层沉降量要大,其中第 5 单层沉降量最 大( 共 10 层) . 参 考 文 献 [1] Wang J,Sun S W,Chen C. Geo-mechanical model experiment research of dumping site on loess basement. J China Coal Soc, 2014,39( 5) : 861 ( 王俊,孙书伟,陈冲. 饱水黄土基底排土场地质力学模型实 验研究. 煤炭学报,2014,39( 5) : 861) [2] Sun K,Tian B. Discussion on application of resection in the sub￾sidence monitoring of the dump. Geomatics Spat Inf Technol,2014 ( 11) : 219 ( 孙坤,田彬. 后方交会在排土场沉降监测中应用的探讨. 测 绘与空间地理信息,2014( 11) : 219) [3] Kan S L,Sun S G,Li X F,et al. Numerical analysis of slope de￾formation and destroy law for huge soft hill base on hillside stack dump. Nonferrous Met Min Sect,2010( 6) : 49 ( 阚生雷,孙世国,李晓芳,等. 山坡堆积型排土场厚软基底边 坡变形破坏规律数值分析. 有色金属( 矿山部分) ,2010( 6) : 49) [4] Sowers G F. Settlement of waste disposal fills / / Proceeding of the 8th International Conference on Solid Mechanics and Foundation Engineering. New York: Springer,1973 [5] Du W W,Liu B C. The calculation of displacements of a waste dump on horizontal foundation. Min Metallurgical Eng,1990 ( 1) : 2 ( 杜维吾,刘宝琛. 水平地基排土场沉降位移计算. 矿冶工程, 1990( 1) : 2) [6] Zhu M L,Zhu Z D,Li Z J,et al. Preliminary study of non-sta￾tionary shear rheological model of wall rock of long,large and deep buried tunnel. Chin J Rock Mech Eng,2008,27( 7) : 1436 ( 朱明礼,朱珍德,李志敬,等. 深埋长大隧洞围岩非定常剪切 流变模型初探. 岩石力学与工程学报,2008,27( 7) : 1436) [7] Chen X P,Zhu H H,Zhou Q J. Study on modified generalized Kelvin creep consolidation model. Chin J Rock Mech Eng,2006, 25( Suppl 2) : 3428 ( 陈晓平,朱鸿鹄,周秋娟. 修正广义 Kelvin 蠕变固结模型研 究. 岩石力学与工程学报,2006,25( 增刊 2) : 3428) [8] Li L Q,Xu W Y,Wang W. A nonlinear viscoelastoplastic rheo￾logical model based on Nishihara' s model. Chin J Theor Appl Mech,2009,41( 5) : 671 ( 李良权,徐卫亚,王伟. 基于西原模型的非线性黏弹塑性流 变模型. 力学学报,2009,41( 5) : 671) [9] Kang Y G,Zhang X E. A non-stationary model for rock creep based on Burgers model. Rock Soil Mech,2011,32 ( Suppl 1) : 424 ( 康永刚,张秀娥. 基于 Burgers 模型的岩石非定常蠕变模型. 岩土力学,2011,32( 增刊 1) : 424) [10] Xiong L X,Yang L D,Zhang Y. Non-stationary Burgers model for rock. J Cent South Univ Sci Technol,2010,41( 2) : 679 ( 熊良宵,杨林德,张尧. 岩石的非定常 Burgers 模型. 中南大 学学报( 自然科学版) ,2010,41( 2) : 679) [11] Wang L G,He F,Liu X F,et al. Nonlinear creep model and stability analysis of rock. Chin J Rock Mech Eng,2004,23 ( 10) : 1640 ( 王来贵,何峰,刘向峰,等. 岩石试件非线性蠕变模型及其 稳定性分析. 岩石力学与工程学报,2004,23( 10) : 1640) [12] Ding Z K,Lü A Z. Parameter identification of non-stationary creep equation of rocks. Rock Soil Mech,2004,25( Suppl 1) : 37 · 257 ·
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