考虑溶蚀作用的灰岩力学性质劣化模型

doi:10.13722/j.cnki.jrme.2022.1110

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Abstract At present，there are few tests and constitutive models on the mechanical properties of limestone under dissolution. In order to reveal the influence of dissolution on the deterioration of mechanical properties of limestone，a constitutive model suitable for describing the deterioration of mechanical properties of limestone under dissolution was established. Firstly，based on the results of uniaxial compression tests of limestone under dissolution，the mechanical properties of limestone are deeply analyzed，and the results show that the elastic properties and strength properties of limestone are affected by dissolution and plastic characteristics. Secondly，based on the strain softening model，the deterioration model of mechanical properties of limestone under dissolution(DLDM) was established from three aspects：elastic increment rule，yield criterion，and flow rule. Then，the method of FLAC3D-machine learning was used to obtain the specific change law of limestone mechanical parameters(elastic modulus，cohesion，internal friction angle) with dissolution action and equivalent plastic strain. Finally，the rationality of the DLDM model was verified by comparing the existing experimental values with the calculated values. The validation analysis indicates that the calculation results of the DLDM model are consistent with the uniaxial compression test results of limestone，Therefore，the deterioration evolution law of elastic modulus and strength parameters during the failure process of limestone can be accurately described. Besides，the theoretical basis for the stability analysis of surrounding rock of underground engineering in karst strata is provided.

Key words： rock mechanics limestone dissolution mechanical properties constitutive model elastic modulus

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	Articles by authors
	TANG Yanchun1
	2
	LIU Yang1
	2
	HE Chenghu1
	2
	SHANG Yufan1
	2

Cite this article:

TANG Yanchun1,2,LIU Yang1, et al. Deterioration model of mechanical properties of limestone considering dissolution[J]. , 2023, 42(S2): 4091-4098.

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http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2022.1110 OR http://rockmech.whrsm.ac.cn/EN/Y2023/V42/IS2/4091

[1]	叶堃，丁浩江. 成贵铁路玉京山隧道岩溶管道水勘察研究[J]. 路基工程，2014，31(2)：210-212.(YE Kun，DING Haojiang. Study on investigation of karst conduit water at Yujingshan tunnel on Chengdu—Guiyang railway[J]. Subgrade Engineering，2014，31(2)：210-212.(in Chinese))
[8]	QIAO L P，WANG Z C，HUANG A D. Alteration of mesoscopic properties and mechanical behavior of sandstone due to hydro- physical and hydro-chemical effects[J]. Rock Mechanics and Rock Engineering，2017，50(2)：255-267.
[18]	秦向辉，谭成轩，孙进忠，等. 地应力与岩石弹性模量关系试验研究[J]. 岩土力学，2012，33(6)：1 689-1 695.(QIN Xianghui，TAN Chengxuan，SUN Jinzhong，et al. Experimental study of relation between in-situ crustal stress and rock elastic modulus[J]. Rock and Soil Mechanics，2012，33(6)：1 689-1 695.(in Chinese))
[2]	申志军，詹显军，尚海松，等. 齐岳山隧道大断层地段隧道结构长期安全监测分析[J]. 现代隧道技术，2013，50(2)：164-172.(SHEN Zhijun，ZHAN Xianjun，SHANG Haisong，et al. Analysis of long- term safety monitoring of a tunnel structure in a large fault[J]. Modern Tunnelling Technology，2013，50(2)：164-172.(in Chinese))
[4]	郭佳奇，刘希亮，乔春生. 自然与饱水状态下岩溶灰岩力学性质及能量机制试验研究[J]. 岩石力学与工程学报，2014，33(2)：296-308.(GUO Jiaqi，LIU Xiliang，QIAO Chunsheng. Experimental study of mechanical properties and energy mechanism of karst limestone under natural and saturated states[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(2)：296-308.(in Chinese))
[12]	王新志，汪稔，孟庆山，等. 南沙群岛珊瑚礁礁灰岩力学特性研究[J]. 岩石力学与工程学报，2008，27(11)：2 221-2 226.(WANG Xinzhi，WANG Ren，MENG Qingshan，et al. Research on characteristics of coral reef calcareous rock in Nansha islands[J]. Chinese Journal of Rock Mechanics and Engineering，2008，27(11)：2 221-2 226.(in Chinese))
[14]	张超，杨楚卿，白允. 岩石类脆性材料损伤演化分析及其模型方法研究[J]. 岩土力学，2021，42(9)：2 344-2 354.(ZHANG Chao，YANG Chuqing，BAI Yun. Investigation of damage evolution and its model of rock-like brittle materials[J]. Rock and Soil Mechanics，2021，42(9)：2 344-2 354.(in Chinese))
[22]	何春明，郭建春. 酸液对灰岩力学性质影响的机制研究[J]. 岩石力学与工程学报，2013，32(增2)：3 016-3 021.(HE Chunming，GUO Jianchun. Mechanism study of acid on mechanical properties of limestone[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(Supp.2)：3 016-3 021.(in Chinese))
[24]	汤艳春，周辉. 溶蚀作用下岩盐塑性力学模型研究[J]. 岩石力学与工程学报，2012，31(增1)：3 031-3 037.(TANG Yanchun，ZHOU Hui. Study of plastic mechanical model of rock salt with dissolving effect[J]. Chinese Journal of Rock Mechanics and Engineering，2012，31(Supp.1)：3 031-3 037.(in Chinese))
[26]	郑颖人. 岩土塑性力学的新进展—广义塑性力学[J]. 岩土工程学报，2003，25(1)：1-10.(ZHENG Yingren. New development of geotechnical plastic mechanics-generalized plastic mechanics[J]. Chinese Journal of Geotechnical Engineering，2003，25(1)：1-10.(in Chinese))
[9]	BAO T S，HASHIBA K，FUKUI K. Effects of water saturation and loading rate on direct shear tests of andesite[J]. Journal of Rock Mechanics and Geotechnical Engineering，2022，14(2)：653-662.
[19]	陈炳瑞，冯夏庭，姚华彦，等. 水化学溶液下灰岩力学特性及神经网络模拟研究[J]. 岩土力学，2010，31(4)：1 173-1 180.(CHEN Bingrui，FENG Xiating，YAO Huayan，et al. Study on mechanical behavior of limestone and simulation using neural network model under different water-chemical environment[J]. Rock and Soil Mechanics，2010，31(4)：1 173-1 180.(in Chinese))
[3]	陈卫昌，李黎，邵明申，等. 酸雨作用下碳酸盐岩类文物的溶蚀过程与机制[J]. 岩土工程学报，2017，39(11)：2 058-2 067.(CHEN Weichang，LI Li，SHAO Mingshen，et al. Experimental study on carbonate dissolution and erosion effect under attack of simulated sulphuric acid rain[J]. Chinese Journal of Geotechnical Engineering，2017，39(11)：2 058-2 067.(in Chinese))
[5]	李光雷，蔚立元，靖洪文，等. 酸腐蚀后灰岩动态压缩力学性质的试验研究[J]. 岩土力学，2017，38(11)：3 247-3 254.(LI Guanglei，YU Liyuan，JING Hongwen，et al. Experimental study of dynamic compressive mechanical properties of limestone after acid corrosion[J]. Rock and Soil Mechanics，2017，38(11)：3 247-3 254. (in Chinese))
[6]	ALT-EPPING P，DIAMOND L W，HARING M O，et al. Prediction of water-rock interaction and porosity evolution in a granitoid-hosted enhanced geothermal system，using constraints from the 5 km Basel-1 well[J]. Applied Geochemistry，2013，38：121-133.
[7]	FENG X T，DING W X. Experimental study of limestone micro-fracturing under a coupled stress，fluid flow and changing chemical environment[J]. International Journal of Rock Mechanics and Mining Sciences，2007，44(3)：437-448.
[10]	孙萍，殷跃平，吴树仁，等. 东河口滑坡岩石微观结构及力学性质试验研究[J]. 岩石力学与工程学报，2010，29(增1)：2 872-2 878. (SUN Ping，YING Yueping，WU Shuren，et al. Experimental study of microstructure and mechanical properties of rocks from Donghekou landslide[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(Supp.1)：2 872-2 878.(in Chinese))
[11]	SUN B，HOU S S，XIE J H，et al. Failure prediction of two types of rocks based on acoustic emission characteristics[J]. Advances in Civil Engineering，2019，2019(15)：1-11.
[13]	刘海峰，郑坤，朱长歧，等. 基于应力-应变曲线的礁灰岩脆性特征评价[J]. 岩土力学，2021，42(3)：673-680.(LIU Haifeng，ZHENG Kun，ZHU Changqi，et al. Brittleness evaluation of coral reef limestone base on stress-strain curve[J]. Rock and Soil Mechanics，2021，42(3)：673-680.(in Chinese))
[15]	黄波林，殷跃平，张枝华，等. 三峡工程库区岩溶岸坡消落带岩体劣化特征研究[J]. 岩石力学与工程学报，2019，38(9)：1 786-1 796. (HUANG Bolin，YIN Yueping，ZHANG Zhihua，et al. Study on deterioration characteristics of shallow rock mass in water the level fluctuation zone of karst bank slopes in Three Gorges Reservoir area[J]. Chinese Journal of Rock Mechanics and Engineering，2019，38(9)：1 786-1 796.(in Chinese))
[16]	CAO A Y，JING G C，DING Y L，et al. Mining-induced static and dynamic loading rate effect on rock damage and acoustic emission characteristic under uniaxial compression[J]. Safety Science，2019，116：86-96.
[17]	刘德峰，刘长武，郭兵兵，等. 不同围压下灰岩力学特性及破坏力学模型研究[J]. 四川大学学报：工程科学版，2016，48(增2)：8-12.(LIU Defeng，LIU Changwu，GUO Bingbing，et al. Study on mechanical characteristics and failure mechanics model for the limestone under different confining pressures[J]. Advanced Engineering Sciences，2016，48(Supp.2)：8-12.(in Chinese))
[20]	汤艳春，李炳华，朱泽民，等. 溶蚀作用对层状灰岩平行和垂直层面力学性质影响试验研究[J]. 水利水电技术：中英文，2021，52(8)：149-161.(TANG Yanchun，LI Binghua，ZHU Zemin，et al. Experimental study on influence from karstification on mechanical properties of parallel and vertical bedding-planes of layered limestone[J]. Water Resources and Hydropower Engineering，2021，52(8)：149-161.(in Chinese))
[21]	NASR-EL-DIN H A，AL-DRIWEESH S M，METCALF A S，et al. Fracture acidizing：What role does formation softening play in production response[J]. SPE Production and Operations，2008，23(2)：184-191.
[23]	高翔，蒋建方，吴川，等. 不同酸液条件下叙利亚灰岩溶蚀能力的实验研究[J]. 中国岩溶，2015，34(2)：195-200.(GAO Xiang，JIANG Jianfang，WU Chuan，et al. Experiments on solubility of different acidizing fluids to Syrian limestone[J]. Carsologica Sinica，2015，34(2)：195-200.(in Chinese))
[25]	姚华彦，冯夏庭，崔强，等. 化学侵蚀下硬脆性灰岩变形和强度特性的试验研究[J]. 岩土力学，2009，30(2)：338-344.(YAO Huayan，FENG Xiating，CUI Qiang，et al. Experimental study of effect of chemical corrosion on strength and deformation of hard brittle limestone[J]. Rock and Soil Mechanics，2009，30(2)：338-344.(in Chinese))