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Article(id=1226462302539526529, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1226462293408531329, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1730995200000, receivedDateStr=2024-11-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1770340999493, onlineDateStr=2026-02-06, pubDate=1761321600000, pubDateStr=2025-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770340999493, onlineIssueDateStr=2026-02-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770340999493, creator=13701087609, updateTime=1770340999493, updator=13701087609, issue=Issue{id=1226462293408531329, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='10', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1770340997315, creator=13701087609, updateTime=1770341205851, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1226463168155792201, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1226462293408531329, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1226463168155792202, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1226462293408531329, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=64, endPage=70, ext={EN=ArticleExt(id=1226462303088980394, articleId=1226462302539526529, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Uniaxial Damage Evolution Law of Loess-Slag-Based Cemented Filling Materials with Different Water-Cement Ratios, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to investigate the microscopic structural characteristics and uniaxial damage evolution law of loess-slag-based cemented filling materials with different water-cement ratios, scanning electron microscopy and acoustic emission tests were conducted on the loess-slag-based cemented filling materials. Furthermore, PFC2D was used to investigate the crack evolution and particle damage characteristics of cemented filling materials with different water-cement ratios under uniaxial compression. The results show that when the water-cement ratio is small, the cemented filling material can generate more hydration products and the structure of the specimen is denser. The acoustic emission ringing count curves of cemented filling materials can be divided into compaction stage, linear-elastic deformation stage, crack constant-velocity expansion stage, crack sudden increase stage, and post-peak stage, and the ringing count characteristics are correlated with the strength characteristics. As the water-cement ratio increases, the cracking stress and damage stress during the compression process of the specimen gradually decrease, and the ratio of cracking stress to peak stress and damage stress to peak stress are not affected by the water-cement ratio. When the cemented filling material is damaged, shear cracks are the main type. As the water-cement ratio decreases, the number of cracks increases and the maximum value of the force chain increases. Changing the water-cement ratio has little effect on the spatial distribution of internal cracks and force chains in the specimens.

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为探究不同水胶比下黄土–矿渣基胶结充填材料细观结构特征及单轴压缩下的破裂演化规律，对黄土–矿渣基胶结充填材料进行扫描电子显微镜试验和声发射试验，进一步通过PFC2D深入探究不同水胶比胶结充填材料在单轴受压过程中的裂纹演化规律和颗粒破坏特征。结果表明：水胶比较小时，胶结充填材料可生成更多的水化产物，试样结构更致密；胶结充填材料的声发射振铃计数曲线可分为压密阶段、线弹性变形阶段、裂纹恒速扩展阶段、裂纹突增阶段、峰后阶段，且振铃计数特征与强度特征具有相关性；随着水胶比的增大，试样受压过程中的裂纹起裂应力、损伤应力均逐渐变小，起裂应力、损伤应力与峰值应力的比值不受水胶比大小的影响；胶结充填材料破坏时以剪切裂纹为主，随着水胶比的减小，裂纹数增加，力链最大值变大，改变水胶比对试样内部裂纹和力链的空间分布影响较小。

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顾军（1998一），男，江苏南通人，硕士，主要从事岩石力学方面的研究。E-mail:
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王斌（1990一），男，内蒙古托克托县人，硕士，高级工程师，主要从事露天煤矿生产技术管理等工作。E-mail:

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王斌（1990一），男，内蒙古托克托县人，硕士，高级工程师，主要从事露天煤矿生产技术管理等工作。E-mail:

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王斌（1990一），男，内蒙古托克托县人，硕士，高级工程师，主要从事露天煤矿生产技术管理等工作。E-mail:

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Parameters assignment of numerical model

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水胶比颗粒密度/(kg/m3)颗粒最小直径/mm颗粒最大直径/mm摩擦因数刚度比有效模量/GPa抗压强度/MPa抗拉强度/MPa
0.92 5000.170.290.652753.043.95
1.02 5000.170.290.652702.633.67
1.12 5000.170.290.652301.432.10
1.22 5000.170.290.652260.841.05
), ArticleFig(id=1226462314254217620, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1226462302539526529, language=CN, label=表1, caption=

数值模型参数赋值

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水胶比颗粒密度/(kg/m3)颗粒最小直径/mm颗粒最大直径/mm摩擦因数刚度比有效模量/GPa抗压强度/MPa抗拉强度/MPa
0.92 5000.170.290.652753.043.95
1.02 5000.170.290.652702.633.67
1.12 5000.170.290.652301.432.10
1.22 5000.170.290.652260.841.05
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不同水胶比下黄土–矿渣基胶结充填材料的单轴破裂演化规律
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王斌 1 , 顾军 2 , 段东 3 , 张亚飞 2 , 张鹏姣 4 , 朱江森 5
矿业研究与开发 | 采矿与矿山充填 2025,45(10): 64-70
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矿业研究与开发 | 采矿与矿山充填 2025, 45(10): 64-70
不同水胶比下黄土–矿渣基胶结充填材料的单轴破裂演化规律
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王斌1 , 顾军2 , 段东3, 张亚飞2, 张鹏姣4, 朱江森5
作者信息
  • 1.国能准能集团哈尔乌素露天煤矿，内蒙古　鄂尔多斯市　010300
  • 2.中国矿业大学力学与土木工程学院，江苏　徐州市　221116
  • 3.太原理工大学矿业工程学院，山西　太原　030024
  • 4.国能准能集团有限责任公司，内蒙古　鄂尔多斯市　010300
  • 5.武汉船用机械有限责任公司，湖北　武汉　430084

    • 王斌（1990一），男，内蒙古托克托县人，硕士，高级工程师，主要从事露天煤矿生产技术管理等工作。E-mail:

通讯作者:

顾军（1998一），男，江苏南通人，硕士，主要从事岩石力学方面的研究。E-mail:
Uniaxial Damage Evolution Law of Loess-Slag-Based Cemented Filling Materials with Different Water-Cement Ratios
Bin WANG1 , Jun GU2 , Dong DUAN3, Yafei ZHANG2, Pengjiao ZHANG4, Jiangsen ZHU5
Affiliations
  • 1.Haerwusu Open-pit Coal Mine, CHN Energy Zhunneng Group Co., Ltd., Ordos, Inner Mongolia 010300, China
  • 2.School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
  • 3.College of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
  • 4.CHN Energy Zhunneng Group Co., Ltd., Ordos, Inner Mongolia 010300, China
  • 5.Wuhan Marine Machinery Plant Co., Ltd., Wuhan, Hubei 430084, China
出版时间: 2025-10-25
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为探究不同水胶比下黄土–矿渣基胶结充填材料细观结构特征及单轴压缩下的破裂演化规律，对黄土–矿渣基胶结充填材料进行扫描电子显微镜试验和声发射试验，进一步通过PFC2D深入探究不同水胶比胶结充填材料在单轴受压过程中的裂纹演化规律和颗粒破坏特征。结果表明：水胶比较小时，胶结充填材料可生成更多的水化产物，试样结构更致密；胶结充填材料的声发射振铃计数曲线可分为压密阶段、线弹性变形阶段、裂纹恒速扩展阶段、裂纹突增阶段、峰后阶段，且振铃计数特征与强度特征具有相关性；随着水胶比的增大，试样受压过程中的裂纹起裂应力、损伤应力均逐渐变小，起裂应力、损伤应力与峰值应力的比值不受水胶比大小的影响；胶结充填材料破坏时以剪切裂纹为主，随着水胶比的减小，裂纹数增加，力链最大值变大，改变水胶比对试样内部裂纹和力链的空间分布影响较小。

黄土–矿渣基胶结充填材料  /  水胶比  /  声发射计数  /  细观结构特征  /  破裂演化规律

In order to investigate the microscopic structural characteristics and uniaxial damage evolution law of loess-slag-based cemented filling materials with different water-cement ratios, scanning electron microscopy and acoustic emission tests were conducted on the loess-slag-based cemented filling materials. Furthermore, PFC2D was used to investigate the crack evolution and particle damage characteristics of cemented filling materials with different water-cement ratios under uniaxial compression. The results show that when the water-cement ratio is small, the cemented filling material can generate more hydration products and the structure of the specimen is denser. The acoustic emission ringing count curves of cemented filling materials can be divided into compaction stage, linear-elastic deformation stage, crack constant-velocity expansion stage, crack sudden increase stage, and post-peak stage, and the ringing count characteristics are correlated with the strength characteristics. As the water-cement ratio increases, the cracking stress and damage stress during the compression process of the specimen gradually decrease, and the ratio of cracking stress to peak stress and damage stress to peak stress are not affected by the water-cement ratio. When the cemented filling material is damaged, shear cracks are the main type. As the water-cement ratio decreases, the number of cracks increases and the maximum value of the force chain increases. Changing the water-cement ratio has little effect on the spatial distribution of internal cracks and force chains in the specimens.

Loess-slag-based cemented filling material  /  Water-cement ratio  /  Acoustic emission count  /  Microscopic structural characteristic  /  Damage evolution law
王斌, 顾军, 段东, 张亚飞, 张鹏姣, 朱江森. 不同水胶比下黄土–矿渣基胶结充填材料的单轴破裂演化规律. 矿业研究与开发, 2025 , 45 (10) : 64 -70 .
Bin WANG, Jun GU, Dong DUAN, Yafei ZHANG, Pengjiao ZHANG, Jiangsen ZHU. Uniaxial Damage Evolution Law of Loess-Slag-Based Cemented Filling Materials with Different Water-Cement Ratios[J]. Mining Research and Development, 2025 , 45 (10) : 64 -70 .
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0　引言
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煤炭在我国能源消费中占据主导地位，露天煤矿因具有生产能力大、开采成本低和安全条件好等诸多优势，在国家能源安全稳定供应中具有“压舱石”的地位[1-3]。然而，在露天矿端帮煤炭资源的开采过程中，普遍存在端帮滞留煤的问题[4-7]，为实现端帮煤柱安全高效回收，采用端帮充填开采技术是置换煤柱最有效的应对方法之一[8-10]。黄土–矿渣基胶结充填材料作为一种新型胶结充填材料，不仅具有优异的力学性能，而且可以解决矿山固体废弃物的排放及堆存问题[11-13]。然而，将充填材料充入采空区后，受空间环境的制约，从材料支撑上覆岩层后的变形破坏情况观察，无法准确评估端帮及整体边坡的稳定情况。因此，设计室内试验对胶结充填材料受压后的变形破坏开展研究具有重要意义。
目前，国内诸多学者对胶结充填材料的力学性能及变形破坏特征进行了相关研究[14-16]。李强等[17]通过单轴压缩试验发现胶结充填体的破坏程度与加载速率呈正比；赵康等[18]研究了灰砂比对尾砂胶结充填材料破坏特征的影响，发现充填材料的破坏模式为贯穿试样的张拉和剪切破坏；冉洪宇等[19]探究了不同水胶比下矸石胶结充填材料的蠕变破坏特征，发现水胶比越大，胶结充填材料的孔隙较多，破坏程度更为剧烈，整体性较差；李丹等[20]对全尾砂充填体展开三轴压缩试验，结果表明，增大围压会使充填体的破坏模式由张拉破坏变为剪切破坏且破坏产生的裂纹减少；宋卫东等[21]对胶结充填材料在三轴加-卸载条件下的能量耗散及损伤特性进行了研究；李龙福等[22]通过数值模拟发现，充填体的变形破坏是从充填体与围岩接触的底部开始，然后沿接触面向上或充填体倾斜方向发生破坏。
本文结合室内试验和数值模拟，对不同水胶比的黄土–矿渣基胶结充填材料的细观特征、力学特性和变形破坏特征开展研究。通过扫描电子显微镜试验分析了黄土–矿渣基胶结充填材料细观结构特征；通过声发射试验分析了胶结充填材料的破坏机制；借助PFC2D数值模拟软件从动态角度分析了胶结充填材料的裂纹及力链变化规律。
1　试样制备与试验方案
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本次试验采用黄土、矿渣、砂质骨料、水玻璃、氢氧化钠和水制备黄土–矿渣基胶结充填材料，其中黄土、矿渣及砂质骨料均取自露天矿剥离的废弃物料。制备不同水胶比ω(0.9,1.0,1.1,1.2)的胶结充填试样，拌和温度为35 ℃，在相同制备条件下养护7 d后，通过切割多余部分制成高为100 mm、直径为50 mm的标准试样，切割过程需确保切割面水平光滑。将处理好的试样用于后续试验。
（1）扫描电子显微镜试验。通过扫描电子显微镜观察胶结充填材料的细观结构特征，试验设备为TESCAN VEGA3型SEM测试系统。试验分别设置放大倍数为500倍和3 000倍，通过观察不同水胶比下胶结充填材料的细观结构特征（包括裂纹、凝胶产物、孔隙等），总结胶结充填材料细观特征随水胶比的变化规律。
（2）单轴压缩下的声发射(AE)试验。本研究对不同水胶比的胶结充填试样进行单轴压缩下的声发射试验，研究其声发射响应规律，揭示水胶比对黄土–矿渣基胶结充填材料破裂特征的影响规律。对试样受力破坏过程中试样内部发出的信号进行采集，AE传感器的工作频率范围为50~150 kHz，阈值为30 dB，增益为30 dB，模拟滤波器的下限和上限分别为1 kHz、200 kHz，采样频率为10 MHz。通过分析这些特征参数，可以揭示试样受力破坏内部裂纹的变化情况。
2　试验结果与分析
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2.1　不同水胶比胶结充填试样细观结构特征
不同水胶比胶结充填试样的细观结构特征如图1所示。由图1可知，水胶比为0.9时，胶结充填试样内部存在致密的黄土凝胶，少量矿渣凝胶被紧密包裹，试样内部存在少量细小的裂纹，整体较为致密；水胶比为1.0时，胶结充填试样内部黄土、矿渣凝胶交叉分布，存在少量裂纹，试样内部较为平坦，孔隙较少，结构较为致密；水胶比为1.1时，胶结充填试样凝胶物质较少，内部存在较为明显的结构缺陷，细小裂纹较多且部分裂纹之间呈相互贯通趋势，结构致密性较差；水胶比为1.2时，胶结充填试样的凝胶物质初步形成，骨料间的连接作用较小，存在较为明显的结构裂隙，细观结构较差。
由此可知，胶结充填试样在水胶比较小的情况下（水胶比为0.9, 1.0）生成了更多的凝胶产物，在微观图像上可以观察到分布均匀的黄土和矿渣凝胶物质；水胶比较大的情况下（水胶比为1.1, 1.2），在微观图像上仅见少量或未形成的凝胶产物。其原因为试样内部的水化反应受水含量的影响，较多的水会减缓水化反应的速率，导致相同的养护时间生成的水化产物更少，试样内部结构裂隙较多。
2.2　不同水胶比胶结充填试样的声发射特征
声发射是指试样在受到外力作用时，材料内部的能量会以弹性波的形式释放。试样在加载受力至破坏这一过程中，试样内部初始裂纹的扩展和贯通，以及新生裂纹的发育，产生了大量的声发射信号。通过对声发射信号的特征进行分析，有助于揭示试样内部的结构特征及其在破裂过程中的形态演变。
2.2.1　声发射振铃计数
对养护龄期为7 d时不同水胶比的胶结充填试样进行单轴压缩试验，得到该条件下的声发射振铃数计数曲线，如图2所示。由图2可知，黄土–矿渣基胶结充填材料在单轴压缩条件下的裂纹扩展(声发射特征)可划分为5个阶段。（1）压密阶段（Ⅰ）：声发射特征曲线初始阶段，试样内部结构趋于致密，孔隙逐渐闭合，出现波动峰后趋于平衡；（2）线弹性变形阶段（Ⅱ）：试样发生弹性变形，试样原材料中的骨料之间受力发生相对错动，表现为稀疏的声发射信号；（3）裂纹恒速扩展阶段（Ⅲ）：试样内裂纹之间出现交互连通并产生少量细小新生裂纹，表现为声发射振铃计数曲线以一定斜率稳定增长；（4）裂纹突增阶段（Ⅳ）：试样内部出现大量的新生裂纹且裂纹之间很快发生交互贯通，试样发出微弱的破裂声且表面出现明显的裂纹，振铃数在该阶段达到峰值；（5）峰后阶段（Ⅴ）：试样破坏程度加剧，表面裂纹增加但内部几乎不再产生新生裂纹，振铃次数缓慢下降。
从图2可以看出，不同水胶比下胶结充填试样的声发射振铃计数呈现出不同的变化趋势。当水胶比分别为0.9, 1.0, 1.1, 1.2时，胶结充填试样的最大声发射振铃计数依次为8.8×103、6.8×103、6.1×103、4.3×103，由此可知，胶结充填试样的最大声发射振铃计数随着水胶比的增大而逐渐减小。同时，最大声发射振铃计数与胶结充填试样的应力曲线峰值呈正比例关系，表明水胶比较低时胶结充填试样的强度较大，试样发生破坏所需的应变能更大。在声发射曲线的后段，较低水胶比(0.9, 1.0, 1.1)的胶结充填试样具有较强的脆性，发生破坏后声发射信号收集时间较短，声发射振铃计数表现为持续下降的趋势；水胶比为1.2的胶结充填试样具有一定的塑性，因此试样破坏后峰后持续时间较长，且声发射振铃计数整体较小。
2.2.2　裂纹起裂应力和损伤应力
分析单轴压缩过程中的裂纹起裂应力σci和损伤应力σcd对于胶结充填材料的研究具有重要意义。从声发射曲线的分析过程中可以得到不同水胶比胶结充填试样的特殊应力及其与峰值应力σc的比值，如图3、图4所示。
从图3可以看出，随着水胶比的增大，试样受压过程中的裂纹起裂应力、损伤应力逐渐变小。当水胶比从0.9增大到1.2时，起裂应力从8.05 MPa下降到1.68 MPa，下降了79.13%；损伤应力从9.50 MPa下降到2.04 MPa，下降了78.53%。究其原因，随着水胶比的增大，胶结充填材料中的含水量变大，试样内部水化反应结束后，内部还会存在未反应的水分子，导致试样的强度变低。
由图4可知，不同水胶比胶结充填试样的起裂应力与峰值应力的比值在77%~82%之间波动，损伤应力与峰值应力的比值在94%~97%之间波动，表明胶结充填材料的起裂应力、损伤应力与峰值应力的比值不受水胶比大小的影响。
3　不同水胶比胶结充填试样的破裂演化规律
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3.1　模型建立与参数选取
通过PFC2D颗粒流数值模拟软件建立宽50 mm、长100 mm的矩形模型，在无侧限的情况下对上、下墙体以0.005 mm/min的加载速度进行单轴压缩数值模拟。数值模型加载示意图见图5。
在室内条件下，对养护龄期为7 d时不同水胶比胶结充填试样进行单轴压缩试验，然后以室内试验数据为基础进行试错调整，使得模拟所得应力–应变曲线和室内试验所得的应力–应变曲线变化规律一致，应力–应变曲线对比见图6。由图6可知，试验与模拟的应力–应变曲线最大区别在曲线的压密阶段，其原因为：室内试验中试样与压头刚接触即开始记录数据，包括试样的压密过程；在数值模拟模型建立中，颗粒之间是紧密接触的，在压缩过程中不存在压密阶段。模型参数赋值见表1。
3.2　裂纹演化规律
图7和图8分别为不同水胶比胶结充填试样在峰值应力处的裂纹数量及空间分布。由图7可知，胶结充填试样的裂纹以剪切裂纹为主。水胶比分别为0.9, 1.0, 1.1, 1.2时，峰值应力处存在裂纹4 454条、3 978条、2 414条、1 870条，表明胶结充填试样裂纹数量随着水胶比的增大逐渐减少，二者呈负相关，与声发射振铃计数特征一致。结合试样的强度特征可知，裂纹数量与试样的强度相关，试样强度越大，峰值应力处的裂纹数越多。
图8中绿色线条代表剪切裂纹（颜色标识见电子版），红色线条代表拉伸裂纹。观察试样裂纹分布形态可知，室内单轴试验与PFC2D数值模拟得出的结果近似一致，均表现为一条从上至下倾斜一定角度的主裂纹和若干次生裂纹，这表明水胶比的变化对胶结充填试样裂纹的空间分布影响较小。
3.3　力链演化规律
图9和图10分别为不同水胶比胶结充填试样在峰值应力处的力链最大值和力链的空间分布。由图9可知，随着水胶比的增大，胶结充填试样的力链最大值逐渐减小，水胶比分别为0.9, 1.0, 1.1, 1.2时，力链最大值为14 154 N、12 658 N、6 084 N、3 791 N。颗粒之间力链最大值的减小使得颗粒间的相互作用力变小，从应力–应变曲线上表现为试样强度的降低，这表明试样的最大力链值与强度具有极强的相关性，呈正比例关系。由图10可知，峰值应力处不同水胶比胶结充填试样内部均出现力链空白区，力链的密集程度不高，在宏观层面表现为裂纹的形态。与裂纹的空间分布相似，水胶比的变化未对力链的空间分布造成较大影响。
4　结论
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（1）改变水胶比对胶结充填试样的细观结构造成显著影响：水胶比较小时（水胶比为0.9, 1.0），试样内水化反应可生成更多的凝胶产物，内部结构更致密；水胶比较大时（水胶比为1.1, 1.2），含水量的增多对水化反应速率产生负作用，内部结构裂隙较多。
（2）不同水胶比胶结充填试样的声发射振铃计数曲线可分为5个阶段：压密阶段、线弹性变形阶段、裂纹恒速扩展阶段、裂纹突增阶段、峰后阶段。声发射振铃计数特征与强度具有相关性，试样的强度越大，破坏时释放的能量越多，声发射振铃计数也更大。随着水胶比的增大，胶结充填试样的裂纹起裂应力、损伤应力都逐渐变小，而起裂应力、损伤应力与峰值应力的比值不受水胶比大小的影响。
（3）胶结充填试样的水胶比较小时，试样在峰值应力处的内部裂纹越多，力链最大值越大，强度越高；破坏时裂纹以剪切裂纹为主；改变水胶比对试样内部裂纹和力链的空间分布影响较小。
基金
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  • 鄂尔多斯市科技重大“揭榜挂帅”项目(JBGS-2023-003)
文献
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2025年第45卷第10期
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  • 接收时间：2024-11-08
  • 首发时间：2026-02-06
  • 出版时间：2025-10-25
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  • 收稿日期：2024-11-08
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鄂尔多斯市科技重大“揭榜挂帅”项目(JBGS-2023-003)
作者信息
    1.国能准能集团哈尔乌素露天煤矿，内蒙古　鄂尔多斯市　010300
    2.中国矿业大学力学与土木工程学院，江苏　徐州市　221116
    3.太原理工大学矿业工程学院，山西　太原　030024
    4.国能准能集团有限责任公司，内蒙古　鄂尔多斯市　010300
    5.武汉船用机械有限责任公司，湖北　武汉　430084

通讯作者:

顾军（1998一），男，江苏南通人，硕士，主要从事岩石力学方面的研究。E-mail:
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2种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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