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学者姓名：阙云
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Abstract ：
为揭示移动荷载作用下公路隧道复合式路面结构力学响应，通过现场试验与有限元法相结合及模型精度验证的手段，基于响应面试验设计方法分析有仰拱和无仰拱的隧道复合式路面力学响应。结果表明，无论有仰拱，还是无仰拱，轴载对各项力学指标的影响最大，混凝土基层厚度对各项力学指标的影响较小，水平荷载对混凝土面板板底拉应力和沥青面层层间剪应力的影响较大、对沥青面层层底拉应变影响较小；无仰拱时围岩模量对各项力学指标的影响大于有仰拱；有仰拱时混凝土面层厚度对沥青面层层底拉应变的影响大于沥青面层厚度，混凝土面层厚度对沥青面层层间剪应力的影响大于基层厚度，无仰拱时影响相反；有仰拱隧道复合式路面结构轴载换算系数得到混凝土面层设计轴次是现行规范的1.8倍，无仰拱是1.3倍；有仰拱、无仰拱时混凝土面层疲劳寿命分别比设计轴载大17和8个数量级，沥青面层疲劳寿命均比设计轴载大1个数量级。研究结果可为隧道复合式路面结构设计研究提供参考。
Keyword ：
力学响应 力学响应 响应面 响应面 疲劳寿命 疲劳寿命 移动荷载 移动荷载 隧道复合式路面 隧道复合式路面
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| GB/T 7714 | 翁斌 , 张超 , 阙云 et al. 基于响应面法的隧道复合式路面力学响应分析 [J]. | 森林工程 , 2024 , 40 (02) : 176-187 . |
| MLA | 翁斌 et al. "基于响应面法的隧道复合式路面力学响应分析" . | 森林工程 40 . 02 (2024) : 176-187 . |
| APA | 翁斌 , 张超 , 阙云 , 章灿林 , 徐松 . 基于响应面法的隧道复合式路面力学响应分析 . | 森林工程 , 2024 , 40 (02) , 176-187 . |
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In order to characterize the mesoscopic seepage of pore spaces within undisturbed granite residual soil (UGRS). The 2D/ 3D pore models of UGRS were reconstructed using computed tomography (CT) scanning and image processing technology. The lattice Boltzmann method (LBM) was employed to simulate the seepage displacement process and water distribution in UGRS pores through programming. Results indicate that isolated pores have minimal impact on seepage outcomes. Only a few large, straight pores with good connectivity become dominant channels, generating preferential flow. Throughout the seepage process, the maximum velocity in the dominant passage shifts from the inlet to the middle and then to the outlet region. The influence of pore structure characteristics on seepage is more significant than pore proportion. Using industrial CT scanning technology and LBM provides a better description of real soil pore flow. The 2D model intuitively illustrates the preferential flow phenomenon of macropores, suitable for qualitative research. The 3D model, closer to reality, accurately calculates soil permeability, making it suitable for quantitative research. © 2024 Editorial Board of Journal of Basic Science and. All rights reserved.
Keyword ：
3D modeling 3D modeling Computerized tomography Computerized tomography Granite Granite Groundwater flow Groundwater flow Kinetic theory Kinetic theory Numerical methods Numerical methods Pore structure Pore structure Seepage Seepage Soils Soils Water supply systems Water supply systems Wetting Wetting
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| GB/T 7714 | Que, Yun , Chen, Xian , Jiang, Guoping et al. Simulation of 2D/3D Mesoscopic Seepage in Undisturbed Granite Residual Soils Based on the LBM [J]. | Journal of Basic Science and Engineering , 2024 , 32 (1) : 193-207 . |
| MLA | Que, Yun et al. "Simulation of 2D/3D Mesoscopic Seepage in Undisturbed Granite Residual Soils Based on the LBM" . | Journal of Basic Science and Engineering 32 . 1 (2024) : 193-207 . |
| APA | Que, Yun , Chen, Xian , Jiang, Guoping , Cai, Peichen , Wu, Yingxiong . Simulation of 2D/3D Mesoscopic Seepage in Undisturbed Granite Residual Soils Based on the LBM . | Journal of Basic Science and Engineering , 2024 , 32 (1) , 193-207 . |
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Asphalt mixture is a typical granular material, and its macroscopic properties are closely related to the interaction behavior of aggregate particles at the micro scales. Discrete element method (DEM), as an important numerical simulation method in granular mechanics, plays an increasingly important role in analyzing the aggregate packing characteristics, skeleton features, predicting mechanical and pavement performance of asphalt mixtures. However, the complexity of the composition of asphalt mixtures, including the particle size, shape, spatial distribution of aggregate particles, and the viscoelasticity of asphalt binders sensitive to temperature, load, and time, increases the difficulty of constructing DEM models of asphalt mixtures, selecting contact constitutive models, and determining parameters, which directly affects the accuracy and efficiency of DEM simulations. In this review, the generation methods of idealized models, image models, and user-defined models currently used to generate DEM models of asphalt mixtures were summarized in detail. Conventional contact constitutive models, including elastic and viscoelastic contact stiffness constitutive models, as well as fracture models including bonding models and cohesive softening models, were discussed. Moreover, special contact constitutive models, such as damage, self-healing, and two-stage contact models considering compaction evolution, were also summarized and discussed. Then, the contact constitutive model parameters were classified and related determination methods were summarized, and the latest application directions of DEM in current asphalt mixture research were classified. On this basis, relevant discussions were carried out, and the challenges and future development prospects faced by DEM in asphalt mixture research were proposed.
Keyword ：
Application Application Asphalt mixture Asphalt mixture Contact constitutive model Contact constitutive model Discrete element method Discrete element method Model generation method Model generation method
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| GB/T 7714 | Xue, Bin , Que, Yun , Pei, Jianzhong et al. A state-of-the-art review of discrete element method for asphalt mixtures: Model generation methods, contact constitutive models and application directions [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 414 . |
| MLA | Xue, Bin et al. "A state-of-the-art review of discrete element method for asphalt mixtures: Model generation methods, contact constitutive models and application directions" . | CONSTRUCTION AND BUILDING MATERIALS 414 (2024) . |
| APA | Xue, Bin , Que, Yun , Pei, Jianzhong , Ma, Xiaoyan , Wang, Di , Yuan, Yan et al. A state-of-the-art review of discrete element method for asphalt mixtures: Model generation methods, contact constitutive models and application directions . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 414 . |
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为了揭示聚氨酯胶结料的过早破坏机制,更好地优化配方和施工工艺,通过分析抗拉强度、剪切强度、黏结强度以及断裂伸长率、微观形貌和官能团,对聚氨酯胶结料的破坏机制进行规律总结.结果表明,老化480 h后,水热老化的断裂伸长率是热氧老化下降量的2.44倍,黏结强度和剪切强度的下降比例分别为热氧老化的4.01倍和8.95倍.并且,紫外老化对抗拉强度的削弱作用远大于后固化而增加的强度,其老化速率加快,抗拉强度下降速率也随之加快.此外,在路面施工过程中,应尽量保证水泥路面的含水率低于4%,降雨后干燥24 h左右便可继续施工,工期紧张时可以采用大功率落地式工业电风扇或者红外加热车等降低路面含水率,以确保聚氨酯胶结料的施工质量.
Keyword ：
材料老化 材料老化 破坏分析 破坏分析 紫外老化 紫外老化 聚氨酯胶 聚氨酯胶
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| GB/T 7714 | 徐松 , 王叶飞 , 魏必成 et al. 聚氨酯铺装材料的过早破坏机制研究 [J]. | 湖南大学学报（自然科学版） , 2024 , 51 (9) : 99-110 . |
| MLA | 徐松 et al. "聚氨酯铺装材料的过早破坏机制研究" . | 湖南大学学报（自然科学版） 51 . 9 (2024) : 99-110 . |
| APA | 徐松 , 王叶飞 , 魏必成 , 袁燕 , 阙云 , 林存辉 . 聚氨酯铺装材料的过早破坏机制研究 . | 湖南大学学报（自然科学版） , 2024 , 51 (9) , 99-110 . |
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为刻画原状土体内部孔隙细观渗流特征，选取东南沿海地区某地原状花岗岩残积土作为研究对象，基于计算机断层扫描(CT)和图像处理技术对2D/3D原状土体模型进行重构，并结合格子Boltzmann方法(LBM),通过自编程序模拟土体孔隙内水分渗流及分布情况.结果表明：孤立孔隙对渗流结果影响甚微，仅个别连通性好、孔径大且笔直的大孔隙会成为优势通道并产生优先流；渗流从开始至稳定过程中，最大流速主要出现在孔隙通道由宽变窄处，孔隙结构形态对渗流的影响较孔隙占比更为显著.基于工业CT扫描技术和LBM能较好刻画真实土体孔隙渗流特征，2D模型可更直观表现大孔隙优先流现象，适用于定性研究；3D模型更接近实际情况，可精确计算土体渗透率，适用于定量研究.
Keyword ：
CT扫描切片 CT扫描切片 优先流 优先流 原状花岗岩残积土 原状花岗岩残积土 大孔隙 大孔隙 格子玻尔兹曼 格子玻尔兹曼 细观渗流 细观渗流
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| GB/T 7714 | 阙云 , 陈宪 , 蒋国平 et al. 基于LBM的2D/3D原状花岗岩残积土细观渗流模拟 [J]. | 应用基础与工程科学学报 , 2024 , 32 (01) : 193-207 . |
| MLA | 阙云 et al. "基于LBM的2D/3D原状花岗岩残积土细观渗流模拟" . | 应用基础与工程科学学报 32 . 01 (2024) : 193-207 . |
| APA | 阙云 , 陈宪 , 蒋国平 , 蔡沛辰 , 吴应雄 . 基于LBM的2D/3D原状花岗岩残积土细观渗流模拟 . | 应用基础与工程科学学报 , 2024 , 32 (01) , 193-207 . |
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The use of soil tuff, an industrial solid waste, for the modification of lead-zinc tailings as subgrade fillers presents a sustainable solution for concurrently addressing the negative impacts of tailings accumulation and resource depletion resulting from road construction. To demonstrate this, we conducted a thorough series of macroscopic and microscopic experiments, including the physical performance, durability, and microstructural behaviors of soil tuff-modified lead-zinc tailings sand (STM-LZTS) and cement-modified LZTS with varying modifier dosages, compaction degrees, and curing ages. Furthermore, we conducted a comprehensive comparison of the sustainability performance of these two modified LZTSs in terms of cost, CO2 emissions, and energy consumption. The results indicate that the incorporated 6% soil tuff filled the voids with the hydrated calcium silicate gel generated during the hydration process, which improved the structural stability. The CBR value was further enhanced to over 4% upon modification. With an increase in compaction degree to 96%, the CBR value escalated to over 8% (>4%). The STM-LZTS specimens exhibited compressive strengths ranging from 0.818 to 0.958 (>0.3 MPa). The variations in shear strength ranged between 200 and 550 kPa. Meanwhile, the modification of LZTS with soil tuff considerably delayed the deterioration of specimens under dry-wet, freeze-thaw, and salt-solution immersion conditions. Furthermore, compared with the cement-modified LZTS, the modified material formed a denser binder and a more robust nonparticle gel due to its lower calcium-silica ratio and higher aluminum-silica ratio, exhibiting superior performances in terms of compressive strength and resistance to salt corrosion. In addition, the use of soil tuff substantially reduced the cost, carbon emissions, and energy consumption, making it a promising and ecofriendly alternative for waste management and achieving carbon neutrality goals in subgrade engineering.
Keyword ：
Microscopic analysis Microscopic analysis Polymetallic lead-zinc tailings sand Polymetallic lead-zinc tailings sand Soil tuff Soil tuff Subgrade engineering Subgrade engineering Sustainability analysis Sustainability analysis
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| GB/T 7714 | Que, Yun , Chen, Jian'an , Ma, Huaisen et al. Using soil tuff-modified polymetallic lead - zinc tailings sand to facilitate sustainable development of subgrade engineering [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 426 . |
| MLA | Que, Yun et al. "Using soil tuff-modified polymetallic lead - zinc tailings sand to facilitate sustainable development of subgrade engineering" . | CONSTRUCTION AND BUILDING MATERIALS 426 (2024) . |
| APA | Que, Yun , Chen, Jian'an , Ma, Huaisen , Lin, Yiqian , Jiang, Zhenliang . Using soil tuff-modified polymetallic lead - zinc tailings sand to facilitate sustainable development of subgrade engineering . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 426 . |
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传统边坡稳定性分析方法仅对潜在滑动面进行整体稳定性评估，无法获取各点的安全系数.基于稳定系数场理论，综合考虑水-气耦合作用，对降雨条件下边坡稳定性进行分析.结果表明：1)稳定系数场法能够直观地体现水-气耦合作用下边坡的具体破坏区域，得到各点的安全系数；2)孔隙气压力对边坡降雨入渗有一定阻碍作用，并且随着降雨时间的推移阻渗效果愈明显，相同条件下降雨40 h时，两相流湿润锋深度较单向流减小了28.6%; 3)相同条件下，考虑水-气耦合作用将降低边坡稳定性，以降雨40 h为例，两相流边坡失稳面积约为单向流的1.7倍.因此，在实际工程中对边坡稳定性分析时考虑水-气耦合作用，工程偏于安全.
Keyword ：
土质边坡 土质边坡 水-气耦合 水-气耦合 湿润锋 湿润锋 灾害防治 灾害防治 稳定性 稳定性 稳定系数场 稳定系数场
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| GB/T 7714 | 姚晓琴 , 张豪杰 , 阙云 et al. 水-气耦合下的土质边坡稳定系数场分析 [J]. | 福州大学学报(自然科学版) , 2024 , 52 (03) : 337-344 . |
| MLA | 姚晓琴 et al. "水-气耦合下的土质边坡稳定系数场分析" . | 福州大学学报(自然科学版) 52 . 03 (2024) : 337-344 . |
| APA | 姚晓琴 , 张豪杰 , 阙云 , 丁辉 , 许泽钦 , 何燕清 . 水-气耦合下的土质边坡稳定系数场分析 . | 福州大学学报(自然科学版) , 2024 , 52 (03) , 337-344 . |
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The two-phase seepage fluid (i.e., air and water) behaviors in undisturbed granite residual soil (U-GRS) have not been comprehensively studied due to a lack of accurate and representative models of its internal pore structure. By leveraging X-ray computed tomography (CT) along with the lattice Boltzmann method (LBM) enhanced by the Shan–Chen model, this study simulates the impact of internal pore characteristics of U-GRS on the water–gas two-phase seepage flow behaviors. Our findings reveal that the fluid demonstrates a preference for larger and straighter channels for seepage, and as seepage progresses, the volume fraction of the water/gas phases exhibits an initial increase/decrease trend, eventually stabilizing. The results show the dependence of two-phase seepage velocity on porosity, while the local seepage velocity is influenced by the distribution and complexity of the pore structure. This emphasizes the need to consider pore distribution and connectivity when studying two-phase flow in undisturbed soil. It is observed that the residual gas phase persists within the pore space, primarily localized at the pore margins and dead spaces. Furthermore, the study identifies that hydrophobic walls repel adjacent fluids, thereby accelerating fluid movement, whereas hydrophilic walls attract fluids, inducing a viscous effect that decelerates fluid flow. Consequently, the two-phase flow rate is found to increase with then-enhanced hydrophobicity. The apex of the water-phase volume fraction is observed under hydrophobic wall conditions, reaching up to 96.40%, with the residual gas-phase constituting 3.60%. The hydrophilic wall retains more residual gas-phase volume fraction than the neutral wall, followed by the hydrophobic wall. Conclusively, the investigations using X-ray CT and LBM demonstrate that the pore structure characteristics and the wettability of the pore walls significantly influence the two-phase seepage process. © 2024 by the authors.
Keyword ：
Air Air Computerized tomography Computerized tomography Gases Gases Hydrophilicity Hydrophilicity Hydrophobicity Hydrophobicity Kinetic theory Kinetic theory Phase interfaces Phase interfaces Pore structure Pore structure Soils Soils Two phase flow Two phase flow Volume fraction Volume fraction Wetting Wetting
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| GB/T 7714 | Jiang, Zhenliang , Lin, Yiqian , Chen, Xian et al. Simulating Two-Phase Seepage in Undisturbed Soil Based on Lattice Boltzmann Method and X-ray Computed Tomography Images [J]. | Sensors , 2024 , 24 (13) . |
| MLA | Jiang, Zhenliang et al. "Simulating Two-Phase Seepage in Undisturbed Soil Based on Lattice Boltzmann Method and X-ray Computed Tomography Images" . | Sensors 24 . 13 (2024) . |
| APA | Jiang, Zhenliang , Lin, Yiqian , Chen, Xian , Li, Shanghui , Cai, Peichen , Que, Yun . Simulating Two-Phase Seepage in Undisturbed Soil Based on Lattice Boltzmann Method and X-ray Computed Tomography Images . | Sensors , 2024 , 24 (13) . |
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为解决传统四参数随机生长(quartet structure generation set, QSGS)方法重构模型与真实土体情况不符的缺陷，提出一种改进的QSGS方法，在综合考虑各向异性、孔隙率、土体颗粒大小情况下构建各向异性多孔介质模型.采用两点自相关函数法验证模型的有效性，并结合格子玻尔兹曼方法自编Matlab程序来模拟细观渗流过程.实验发现，各向同性模型和土体CT切片的两点相关系数最大差值是各向异性模型的2.5倍以上，且流体粒子在孔道中线处的渗流速度最大，达到0.03,在孔壁处渗流速度接近于0.结果表明，各向异性模型在孔隙结构和空间分布上更接近真实土体情况，流体在渗流后期出现大孔隙优先流现象和指进现象.
Keyword ：
四参数随机生长法 四参数随机生长法 格子玻尔兹曼 格子玻尔兹曼 水分迁移 水分迁移 细观渗流 细观渗流 重构土体模型 重构土体模型
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| GB/T 7714 | 阙云 , 邱婷 , 蔡沛辰 et al. 基于改进QSGS-LBM法的各向异性重构土体的渗流模拟 [J]. | 福州大学学报(自然科学版) , 2024 , 52 (04) : 471-478 . |
| MLA | 阙云 et al. "基于改进QSGS-LBM法的各向异性重构土体的渗流模拟" . | 福州大学学报(自然科学版) 52 . 04 (2024) : 471-478 . |
| APA | 阙云 , 邱婷 , 蔡沛辰 , 谢秀栋 , 薛斌 . 基于改进QSGS-LBM法的各向异性重构土体的渗流模拟 . | 福州大学学报(自然科学版) , 2024 , 52 (04) , 471-478 . |
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To investigate the influence of macropore parameters on the non-uniform migration and stability of slopes under rainfall, a solution model was developed based on the two-domain model and the stability coefficient field principle. This model addressed non-uniform flow and slope stability under rainfall infiltration. Using the COMSOL Multiphysics finite element platform, a corresponding model solving program was created. The numerical results were validated through indoor rainfall tests on macropore soil columns. A comparison was made between slope volume water content and point stability coefficient under conditions of uniform and non-uniform flow. Subsequently, the impact of macropore parameters (namely, the proportion of macropore domain ωf, the ratio of water conductivity between macropore and matrix domain μ, and the macropore empirical parameter rw) on slope seepage field and stability coefficient field was analyzed. The findings revealed that compared to scenarios without macropores, considering macropores led to a 7.7% increase in volume water content in the matrix domain and a 5.1% decrease in the macropore domain. Additionally, infiltration depth increased by 83.3% and 150.0%, respectively, and the shallow instability area of the slope expanded by 3.9%. Infiltration depth decreased with an increase in ωf for both the matrix and macropore domains. Conversely, with an increase in μ, infiltration depth decreased for the matrix domain and increased for the macropore domain. There was no significant relationship observed with the empirical parameter rw. At the end of the rainfall, volume water content in the matrix domain peaked, while the macropore domain increased with higher values of ωf and μ, showing minimal impact from the empirical parameter rw. Water exchange was categorized into negative exchange area, positive exchange area, and no exchange area along the profile. The equilibrium depth of water exchange aligned with the change in infiltration depth of the matrix domain. Both the negative and positive exchange areas exhibited peak values that decreased with higher ωf and increased with higher μ and rw values. Under varying parameter values, the slope experienced shallow instability failures. Higher values of ωf and μ corresponded to deeper instability layers and lower point stability coefficients, indicating that macropores were detrimental to slope stability. © 2024 Sichuan University. All rights reserved.
Keyword ：
Infiltration Infiltration Rain Rain Slope stability Slope stability
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| GB/T 7714 | Que, Yun , Li, Shanghui , Zhan, Xiaojun et al. Influence of Macropore Parameters on Slope Non-uniform Flow and Stability [J]. | Advanced Engineering Sciences , 2024 , 56 (3) : 122-133 . |
| MLA | Que, Yun et al. "Influence of Macropore Parameters on Slope Non-uniform Flow and Stability" . | Advanced Engineering Sciences 56 . 3 (2024) : 122-133 . |
| APA | Que, Yun , Li, Shanghui , Zhan, Xiaojun , Zhang, Jisong , Xue, Bin , Xie, Xiudong . Influence of Macropore Parameters on Slope Non-uniform Flow and Stability . | Advanced Engineering Sciences , 2024 , 56 (3) , 122-133 . |
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