基于核磁共振技术的生物炭水泥砂浆强度及孔结构性能研究

doi:10.11896/cldb.25060140

材料导报

2026, Vol. 40

Issue (5): 25060140-8 https://doi.org/10.11896/cldb.25060140

生物质助力建筑材料可持续发展

基于核磁共振技术的生物炭水泥砂浆强度及孔结构性能研究

薛翠真^*, 李肖克, 苏丽, 冯琼, 乔宏霞

1 兰州理工大学土木与水利工程学院,兰州 730050;
2 西部先进土木工程材料创新研究中心,兰州 730050;
3 甘肃省先进土木工程材料工程研究中心,兰州 730050;
4 高性能土木工程材料国家重点实验室甘肃研究基地,兰州 730050

Study on Strength and Pore Structure Properties of Biochar Cement Mortar Based on Nuclear Magnetic Resonance Technology

XUE Cuizhen^*, LI Xiaoke, SU Li, FENG Qiong, QIAO Hongxia

1 School of Civil and Hydraulic Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
2 Western Advanced Civil Engineering Materials Innovation Research Center, Lanzhou 730050, China;
3 Gansu Advanced Civil Engineering Materials Engineering Research Center, Lanzhou 730050, China;
4 Gansu Research Base of State Key Laboratory of High Performance Civil Engineering Materials, Lanzhou 730050, China

摘要
参考文献
相关文章
推荐阅读
Metrics

下载:

全文 ( PDF ) ( 23058KB )
输出: BibTeX | EndNote (RIS)

摘要针对“双碳”目标下水泥及水泥基材料碳排放问题,以玉米秸秆生物炭为原材料,在研究其基本性能的基础上,借助核磁共振技术定量表征了生物炭掺量(5%、8%、12%、15%,均为质量分数)与粉磨时长(10 min、20 min、30 min)对水泥基材料孔隙分布特征与强度的影响规律,并通过分形维数理论对掺生物炭水泥基材料孔结构的复杂性与均匀性进行评价;最后,基于灰熵关联度理论定量分析了孔径分布与孔隙率对试件抗压强度影响的显著性。结果表明:粉磨后生物炭颗粒均小于水泥,粒径主要集中在1~10 μm范围内;随粉磨时长延长,细小颗粒含量逐渐增加,颗粒细度逐渐增大。当生物炭掺量较少(不大于8%)时,对水泥砂浆早期的抗压强度影响较小;生物炭掺量过高(大于8%)会显著降低水泥砂浆早期强度,但90 d抗压强度略高于基准砂浆;随掺量及粉磨时长的增加,试件28 d孔隙率总体呈上升的趋势,T₂图谱曲线主要表现为试件微小孔数量增加,其中凝胶孔占比对砂浆抗压强度的影响最为显著;此外,除个别配合比外,大孔及整体曲线分形维数均随掺量及粉磨时长的增加而增大。研究结果可为生物炭在水泥基材料中的推广应用提供理论价值,并助力碳达峰、碳中和国家战略。

	服务
	把本文推荐给朋友
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	薛翠真
	李肖克
	苏丽
	冯琼
	乔宏霞

关键词: 生物炭核磁共振抗压强度孔径分布分形维数灰熵关联度

Abstract: In response to the carbon emission issues of cement and cement-based materials under the dual carbon goals, using corn stalk biochar as the raw material, this study quantitatively characterized the effects of biochar dosage (5%, 8%, 12%, 15%) and grinding time (10 min, 20 min, 30 min) on the pore distribution characteristics and strength of cement-based materials based on the research of its basic properties, with the aid of nuclear magnetic resonance technology. The complexity and uniformity of the pore structure of biochar-containing cement-based mate-rials were evaluated through the fractal dimension theory. Finally, the significance of the influence of pore size distribution and porosity on the compressive strength of specimens was quantitatively analyzed based on the grey entropy correlation degree theory. The results show that after grinding, the biochar particles are all smaller than cement, and the particle size is mainly concentrated in the range of 1—10 μm. With the extension of grinding time, the content of fine particles gradually increases, and the particle fineness gradually increases. When the biochar dosage is relatively low (not more than 8%), it has a relatively small impact on the early compressive strength of cement mortar; when the biochar dosage is too high (more than 8%), it will significantly reduce the early strength of cement mortar, but the 90 day compressive strength is slightly higher than that of the reference mortar. The results of nuclear magnetic resonance show that with the increase of dosage and grinding time, the 28 day porosity of the specimens generally shows an upward trend, and the T₂ spectrum curve mainly shows an increase in the number of micro-pores in the specimens, among which the proportion of gel pores has the most significant impact on the compressive strength of mortar. The results of fractal dimension show that the fractal characteristics of the pore structure of biochar-containing cement mortar are significant. Except for a few mix ratios, the fractal dimensions of large pores and the overall curve increase with the increase of dosage and grinding time. The research results can provide theoretical value for the promotion and application of biochar in cement-based materials and contribute to the national strategy of carbon peaking and carbon neutrality.

Key words: biochar nuclear magnetic resonance compressive strength pore size distribution fractal dimension grey entropy correlation degree

出版日期: 2026-03-10 发布日期: 2026-03-10

ZTFLH:

TU528.1

基金资助: 国家自然科学基金(52568035;U21A20150);兰州理工大学红柳优青项目(04-062407)

通讯作者: ^*薛翠真,博士,兰州理工大学土木与水利工程学院副教授、硕士研究生导师。主要研究方向为水泥基及水泥混凝土材料结构、性能,混凝土耐久性能损伤规律及机理,建筑固废再生利用,机制砂及石粉再生利用技术等。xuecuizhen2008@163.com

引用本文:

薛翠真, 李肖克, 苏丽, 冯琼, 乔宏霞. 基于核磁共振技术的生物炭水泥砂浆强度及孔结构性能研究[J]. 材料导报, 2026, 40(5): 25060140-8.
XUE Cuizhen, LI Xiaoke, SU Li, FENG Qiong, QIAO Hongxia. Study on Strength and Pore Structure Properties of Biochar Cement Mortar Based on Nuclear Magnetic Resonance Technology. Materials Reports, 2026, 40(5): 25060140-8.

链接本文:

https://www.mater-rep.com/CN/10.11896/cldb.25060140 或 https://www.mater-rep.com/CN/Y2026/V40/I5/25060140

1 Gao Z P, Ni J B, Li N N. Journal of Agricultural Mechanization Research, 2022, 44(4), 1 (in Chinese).
高忠坡, 倪嘉波, 李宁宁. 农机化研究, 2022, 44(4), 1.
2 Li W Y, Cheng L K, Liu H H, et al. Concrete, 2024(7), 94 (in Chinese).
李汪阳, 程磊科, 刘慧慧, 等. 混凝土, 2024(7), 94.
3 Juenger M C G, Snellings R, Bernal S A. Cement and Concrete Research, 2019, 122, 257.
4 Chen L, Zhou T, Yang J, et al. Construction and Building Materials, 2023, 409, 134204.
5 Gupta S, Kua H W, Dai P S. Construction and Building Materials, 2018, 167, 874.
6 Beltrán M G, Barbudo A, Agrela F, et al. Construction and Building Materials, 2016, 112, 699.
7 Zhou A X, Zhang Y S, Qian R S, et al. Acta Materiae Compositae Sinica, 2024, 41(7), 3704 (in Chinese).
周翱翔, 张云升, 钱如胜, 等. 复合材料学报, 2024, 41(7), 3704.
8 Xue C Z, Shen A Q, Liu B, et al. Journal of Hefei University of Technology (Natural Science), 2017, 40(1), 71 (in Chinese).
薛翠真, 申爱琴, 刘波, 等. 合肥工业大学学报(自然科学版), 2017, 40(1), 71.
9 Zarnaghi V N, Fouroghi-Asl A, Nourani V, et al. Construction and Building Materials, 2018, 193, 557.
10 Xie C, Wang Q C, Li S, et al. Bulletin of the Chinese Ceramic Society, 2015, 34(12), 3695 (in Chinese).
谢超, 王起才, 李盛, 等. 硅酸盐通报, 2015, 34(12), 3695.
11 Jin S, Zhang J, Han S. Construction and Building Materials, 2017, 135, 1.
12 Lu Y, Zhang B, Shen H, et al. Foods, 2021, 11, 65.
13 Huang G S, Su L, Xue C Z, et al. Acta Materiae Compositae Sinica, 2025, 42(2), 1034 (in Chinese).
黄观送, 苏丽, 薛翠真, 等. 复合材料学报, 2025, 42(2), 1034.
14 Zhu X C, Zhang Y S, Liu Z Y, et al. Acta Materiae Compositae Sinica, 2024, 41(10), 5478 (in Chinese).
朱翔琛, 张云升, 刘志勇, 等. 复合材料学报, 2024, 41(10), 5478.
15 Dalas F, Korb J P, Pourchet S, et al. The Journal of Physical Chemistry C, Nanomaterials and Interfaces, 2014, 118, 8387.
16 Chen G F, Gao J M, Zhao Y S. Journal of Southeast University (Natural Science), 2020, 50(5), 858 (in Chinese).
陈高丰, 高建明, 赵亚松. 东南大学学报(自然科学版), 2020, 50(5), 858.
17 Jia Y Q. Research on the performance and ecological benefits of garbage charcoal concrete. Master's Thesis, Chang'an University, China, 2021 (in Chinese).
贾亚琪. 垃圾炭混凝土性能及生态效益研究. 硕士学位论文, 长安大学, 2021.
18 Zheng S S, Hu J H, Zhang X, et al. Journal of Hunan University (Natural Sciences), 2024, 51(9), 155 (in Chinese).
郑山锁, 胡锦华, 张欣, 等. 湖南大学学报(自然科学版), 2024, 51(9), 155.
19 Li Q, Zhao Y, Chen H, et al. Construction and Building Materials, 2021, 303, 124463.
20 Deng X, Gao X, Wang R, et al. Construction and Building Materials, 2021, 268, 121219.
21 Yao Y, Liu D, Che Y, et al. Fuel, 2010, 89, 1371.
22 Wei Y M, Chai J R, Qin Y, et al. Bulletin of the Chinese Ceramic Society, 2018, 37(3), 825 (in Chinese).
魏毅萌, 柴军瑞, 覃源, 等. 硅酸盐通报, 2018, 37(3), 825.
23 Zhang H L, Wang S L, Yuan X S. Journal of Materials Science and Engineering, 2022, 40(1), 40 (in Chinese).
张海龙, 王社良, 袁晓洒. 材料科学与工程学报, 2022, 40(1), 40.
24 Xue C Z, Shen A Q, Guo Y C. Materials Reports, 2019, 33(8), 1348 (in Chinese).
薛翠真, 申爱琴, 郭寅川. 材料导报, 2019, 33(8), 1348.
25 Chen W, Meng J, Han X, et al. Biochar, 2019, 1, 75.
26 Hu B, Ai Y, Jin J, et al. Biochar, 2020, 2, 47.
27 Zhou W J, Xue W, Xu D, et al. Bulletin of the Chinese Ceramic Society, 2023, 42(9), 3186 (in Chinese).
周文建, 薛文, 许丹, 等. 硅酸盐通报, 2023, 42(9), 3186.
28 Wang G. The influence of active admixtures on the hydration and properties of active powder concrete. Master's Thesis, Yangzhou University, China, 2022 (in Chinese).
王冠. 活性掺合料对活性粉末混凝土水化及性能的影响. 硕士学位论文, 扬州大学, 2022.
29 Wei X Q, Chen P, Wu K, et al. Science Technology and Engineering, 2021, 21(20), 8607 (in Chinese).
魏小棋, 陈盼, 邬凯, 等. 科学技术与工程, 2021, 21(20), 8607.
30 Yang Z H. Accelerated curing effect and mechanism of alternating electric field on cement-based materials. Ph. D. Thesis, Central South University, China, 2022 (in Chinese).
杨智涵. 交流电场对水泥基材料的加速养护效应及作用机理. 博士学位论文, 中南大学, 2022.
31 Shen P L. Design of micro expansion steel tube ultra high performance concrete and study on the mechanical properties of short columns. Ph. D. Thesis, Wuhan University of Technology, China, 2018 (in Chinese).
申培亮. 微膨胀钢管超高性能混凝土设计及短柱力学性能研究. 博士学位论文, 武汉理工大学, 2018.
32 Xue C Z, Zhu X C. Journal of Materials Science and Engineering, 2022, 40(3), 455 (in Chinese).
薛翠真, 朱翔琛. 材料科学与工程学报, 2022, 40(3), 455.
33 Shen A Q, Chen R W, Guo Y C, et al. Materials Reports, 2024, 38(7), 60 (in Chinese).
申爱琴, 陈荣伟, 郭寅川, 等. 材料导报, 2024, 38(7), 60.
34 Lai J, Wang G, Fan Z, et al. AAPG Bulletin, 2018, 102, 175.
35 Qin L, Zhai C, Liu S, et al. Powder Technology, 2018, 325, 11.
36 Wang Y S. Study on durability of recycled aggregate concrete in chloride environment. Ph. D. Thesis, Fuzhou University, China, 2022 (in Chinese).
王雅思. 氯盐环境下再生骨料混凝土耐久性研究. 博士学位论文, 福州大学, 2022.
37 Deng J L. World Science, 1983(7), 1 (in Chinese).
邓聚龙. 世界科学, 1983(7), 1.
38 He J H, Xue C Z, Liu Y G, et al. New Building Materials, 2023, 50(2), 7 (in Chinese).
何江红, 薛翠真, 刘玉果, 等. 新型建筑材料, 2023, 50(2), 7.
39 Zhang C L, Wang H Y, Wang B, et al. Materials Reports, 2025, 39(1), 181 (in Chinese).
张彩利, 王怀毅, 王犇, 等. 材料导报, 2025, 39(1), 181.
40 Shi D S, Huai B D, Ma Z, et al. Bulletin of the Chinese Ceramic Society, 2023, 42(1), 248 (in Chinese).
石东升, 淮炳栋, 马政, 等. 硅酸盐通报, 2023, 42(1), 248.

[1]	胡慧, 陈宇, 张亚梅. 生物炭在多功能涂层改性中的研究进展[J]. 材料导报, 2026, 40(5): 25090003-15.
[2]	寇长江, 许舒翔, 花倩, 吴正光, 康爱红. 面向路面径流重金属的生物炭复合滤料制备与净化机理研究[J]. 材料导报, 2026, 40(5): 25070056-12.
[3]	赵冰琴, 朱俊豪, 高儒章, 胡鑫凯, 吴欣, 夏栋, 赵自超, 许文年. 生物炭分层添加对黄河底泥基植生基材入渗特征和养分固持的影响[J]. 材料导报, 2026, 40(5): 25060109-8.
[4]	王剑烨, 李肖, 张进, 鲁爽, 彭丽云, 王冬勇. 糯米浆-脲酶诱导碳酸钙联合加固砂土强度研究[J]. 材料导报, 2026, 40(5): 25040239-7.
[5]	何俊, 左子威, 孙思琴, 康多运, 杨心语, 胡晓慧. 生物炭辅助固化土强度性质的研究进展[J]. 材料导报, 2026, 40(5): 25040059-8.
[6]	周琳琳, 胡翔, 陈伟, Amani Khaskhoussi, 郭帅成, 史才军. 全再生混凝土微粉制品的碳矿化研究[J]. 材料导报, 2026, 40(5): 25030051-8.
[7]	刘尧, 邓红卫, 蒋震, 王鹏, 虞松涛. 人工砂骨料砂浆孔隙结构及力学特征研究[J]. 材料导报, 2026, 40(4): 25020126-7.
[8]	马超毅, 朱超, 郭鑫, 刘超. 矿渣基胶凝材料固化电厂无机软化污泥机理及配合比优化研究[J]. 材料导报, 2026, 40(4): 25020130-8.
[9]	敬凌琨, 王洪博, 曹振玺, 张磊, 梁亚康, 王兴鹏. 鼠李糖脂改性对棉花秸秆生物炭结构特性及盐胁迫下植物生长的影响[J]. 材料导报, 2026, 40(4): 24110033-7.
[10]	姬仁林, 贾松岩, 唐家傲, 马亚丽, 郑强, 李雪. 磷酸盐调控高活性氧化镁制备硫氧镁水泥[J]. 材料导报, 2026, 40(3): 24120083-6.
[11]	薛斯亭, 陈曦平, 罗洪杰, 吴林丽, 姜昊, 逯奕含. 表面活性剂对多孔地聚物孔结构的调控研究[J]. 材料导报, 2026, 40(3): 25020007-7.
[12]	杨军兆, 张戎令, 薛彦瑾, 王小平, 窦晓峥, 宋毅. 基于分形维数的硫酸盐环境下混凝土抗蚀系数及微观机理研究[J]. 材料导报, 2025, 39(7): 24020033-7.
[13]	王张翔, 金浪, 陈培鑫, 陈飞翔, 姚天豫, 陈徐东. 基于CT和NMR技术的UHPC孔隙结构研究[J]. 材料导报, 2025, 39(5): 24020073-6.
[14]	钟新宇, 赖俊英, 阮少钦, 钱晓倩, 钱匡亮. 复合早强剂对掺石灰石粉砂浆强度和水化作用的影响[J]. 材料导报, 2025, 39(5): 24010244-8.
[15]	吴剑锋, 黄雨悦, 李赫赫, 马德源, 王彩华. 混凝土单轴压缩表面裂纹分布的一致分形特征[J]. 材料导报, 2025, 39(4): 23030047-7.

[1]	Huanchun WU, Fei XUE, Chengtao LI, Kewei FANG, Bin YANG, Xiping SONG. Fatigue Crack Initiation Behaviors of Nuclear Power Plant Main Pipe Stainless Steel in Water with High Temperature and High Pressure[J]. Materials Reports, 2018, 32(3): 373 -377 .
[2]	Miaomiao ZHANG,Xuyan LIU,Wei QIAN. Research Development of Polypyrrole Electrode Materials in Supercapacitors[J]. Materials Reports, 2018, 32(3): 378 -383 .
[3]	Congshuo ZHAO,Zhiguo XING,Haidou WANG,Guolu LI,Zhe LIU. Advances in Laser Cladding on the Surface of Iron Carbon Alloy Matrix[J]. Materials Reports, 2018, 32(3): 418 -426 .
[4]	Huaibin DONG,Changqing LI,Xiahui ZOU. Research Progress of Orientation and Alignment of Carbon Nanotubes in Polymer Implemented by Applying Electric Field[J]. Materials Reports, 2018, 32(3): 427 -433 .
[5]	Xiaoyu ZHANG,Min XU,Shengzhu CAO. Research Progress on Interfacial Modification of Diamond/Copper Composites with High Thermal Conductivity[J]. Materials Reports, 2018, 32(3): 443 -452 .
[6]	Anmin LI,Junzuo SHI,Mingkuan XIE. Research Progress on Mechanical Properties of High Entropy Alloys[J]. Materials Reports, 2018, 32(3): 461 -466 .
[7]	Qingqing DING,Qian YU,Jixue LI,Ze ZHANG. Research Progresses of Rhenium Effect in Nickel Based Superalloys[J]. Materials Reports, 2018, 32(1): 110 -115 .
[8]	Yaxiong GUO,Qibin LIU,Xiaojuan SHANG,Peng XU,Fang ZHOU. Structure and Phase Transition in CoCrFeNi-M High-entropy Alloys Systems[J]. Materials Reports, 2018, 32(1): 122 -127 .
[9]	Changsai LIU,Yujiang WANG,Zhongqi SHENG,Shicheng WEI,Yi LIANG,Yuebin LI,Bo WANG. State-of-arts and Perspectives of Crankshaft Repair and Remanufacture[J]. Materials Reports, 2018, 32(1): 141 -148 .
[10]	Xia WANG,Liping AN,Xiaotao ZHANG,Ximing WANG. Progress in Application of Porous Materials in VOCs Adsorption During Wood Drying[J]. Materials Reports, 2018, 32(1): 93 -101 .

Viewed

Full text

Abstract

Cited

Shared

Discussed