基于嫦娥五号月球样品的月壤残余内摩擦角预测  

Predicting residual friction angle of lunar regolith based on Chang’e-5 lunar samples

作　　者：聂家岩 崔一飞 Kostas Senetakis 郭丹 王瑜 王国栋 冯鹏 贺怀宇 张徐航 张小平 李存惠 郑虎 胡伟 牛富俊 刘权兴 李安原 Jiayan Nie;Yifei Cui;Kostas Senetakis;Dan Guo;Yu Wang;Guodong Wang;Peng Feng;Huaiyu He;Xuhang Zhang;Xiaoping Zhang;Cunhui Li;Hu Zheng;Wei Hu;Fujun Niu;Quanxing Liu;Anyuan Li(State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China;School of Civil Engineering,Wuhan University,Wuhan 430072,China;Department of Architecture and Civil Engineering,City University of Hong Kong,Hong Kong 999077,China;State Key Laboratory of Tribology,Tsinghua University,Beijing 100084,China;Key Laboratory of Mountain Hazards and Surface Process,Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu 610041,China;Department of Civil Engineering,Tsinghua University,Beijing 100084,China;State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;State Key Laboratory of Lunar and Planetary Sciences,Macao University of Science and Technology,Macao 999078,China;Science and Technology on Vacuum Technology and Physics Laboratory,Lanzhou Institute of Physics,Lanzhou 730000,China;Department of Geotechnical Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China;State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059,China;South China Institute of Geotechnical Engineering,South China University of Technology,Guangzhou 510641,China;School of Mathematical Sciences,Shanghai Jiao Tong University,Shanghai 200240,China;Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province,Shaoxing University,Shaoxing 312000,China)

机构地区：[1]State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China [2]School of Civil Engineering,Wuhan University,Wuhan 430072,China [3]Department of Architecture and Civil Engineering,City University of Hong Kong,Hong Kong 999077,China [4]State Key Laboratory of Tribology,Tsinghua University,Beijing 100084,China [5]Key Laboratory of Mountain Hazards and Surface Process,Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu 610041,China [6]Department of Civil Engineering,Tsinghua University,Beijing 100084,China [7]State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China [8]State Key Laboratory of Lunar and Planetary Sciences,Macao University of Science and Technology,Macao 999078,China [9]Science and Technology on Vacuum Technology and Physics Laboratory,Lanzhou Institute of Physics,Lanzhou 730000,China [10]Department of Geotechnical Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China [11]State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059,China [12]South China Institute of Geotechnical Engineering,South China University of Technology,Guangzhou 510641,China [13]School of Mathematical Sciences,Shanghai Jiao Tong University,Shanghai 200240,China [14]Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province,Shaoxing University,Shaoxing 312000,China

出　　处：《Science Bulletin》2023年第7期730-739,共10页科学通报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(42241109 and 42202297);Tsinghua University Initiative Scientific Research Program(20211080097).

摘　　要：随着人类探月工程的快速发展,月球基地建设以及月表资源开发利用有望更快实现,合理预测月壤工程力学性质对于未来深层次探月工程意义重大,我国嫦娥五号返回月球样品为研究月壤工程力学特性提供了直接的实测材料。然而,月球样品极其珍贵,难以满足传统土工试验测试.为了应对这一科学挑战,本研究从无损分析月球样品颗粒属性入手,使用高精度X-射线μCT扫描、三维白光干涉、原子力显微镜等无损测试手段,分析了不同类型月壤颗粒的三维多尺度形态、弹性力学和摩擦属性等指标.在此基础上,基于颗粒材料宏微观物理力学理论和数值模型尝试预测了嫦娥五号采样处月壤残余内摩擦角。本研究为基于月球样品信息跨尺度分析月壤工程力学性质提供了可行思路。With the rapid development of human lunar exploration projects,the lunar base establishment and resource utilization are on the way,and hence it is urgent and significant to reasonably predict engineering properties of the lunar regolith,which remains to be unclear due to limited lunar samples currently accessible for geotechnical tests.In this contribution,we aim to address this outstanding challenge fromthe perspective of granular material mechanics.To this end,the 3D multi-aspect geometrical characteristics and mechanical properties of Chang’e-5 lunar samples are for the first time evaluated with a series of nondestructive microscopic tests.Based on the measured particle surface roughness and Young’s modulus,the interparticle friction coefficients of lunar regolith particles are well predicted through an experimental fitting approach using previously published data on terrestrial geomaterials or engineering materials.Then the residual friction angle of the lunar regolith under low confining pressure is predicted as 53to 56according to the particle overall regularity and interparticle friction coefficients of Chang’e-5 lunar samples.The presented results provide a novel cross-scale method to predict engineering properties of the lunar regolith from particle scale information to serve for the future lunar surface engineering construction.

关 键 词：Chang’e-5 lunar samples Geometry MECHANICS TRIBOLOGY Residual friction angle Cross-scale prediction 

分 类 号：V476.3[航空宇航科学与技术—飞行器设计] P184.5[天文地球—天文学]