基于砖含量的再生砖混粗骨料分类研究

摘要/Abstract

摘要： 针对目前我国再生骨料分类标准适用范围窄,难以指导高砖含量再生骨料综合利用的问题,探究了砖含量对再生砖混骨料吸水率、表观密度和压碎指标等方面的影响规律,并结合现有文献资料统计分析,建立了砖含量与吸水率和压碎指标之间的一般线性关系公式。提出将砖含量作为主要分类控制指标,表观密度、吸水率和压碎指标作为技术控制指标的砖混骨料分级分类新方法。这种方法能够有效完善现有技术标准,使之与再生砖混骨料性质相适应,更加有效地指导砖混骨料在混凝土工程中的资源化利用。

关键词: 砖含量, 再生砖混骨料, 拆除垃圾, 分类, 技术标准, 资源化利用

Abstract: The existing recycled aggregate classification standard in China is inapplicable to guide the comprehensive utilization of recycled aggregate with high brick content. The influence of brick content on water absorption, apparent density and crushing index of recycled brick and concrete aggregate was studied. Based on data analysis, a general linear relationship formula between brick content and water absorption, crushing index was established. A new classification method of recycled brick and concrete aggregate was proposed, which took brick content as main control index, as well as apparent density, water absorption and crushing index as technical control index. This method can effectively improve the existing standards and make it adapt the properties of recycled brick and concrete aggregate. Moreover, it can guide the resource utilization of recycled brick and concrete aggregate in concrete engineering more effectively.

Key words: brick content, recycled brick and concrete aggregate, demolition waste, classification, technical standard, resource utilization

中图分类号:

TU528

陶航宇, 陈萍, 龚亦凡, 詹静芳, 章莉. 基于砖含量的再生砖混粗骨料分类研究[J]. 硅酸盐通报, 2021, 40(3): 957-963.

TAO Hangyu, CHEN Ping, GONG Yifan, ZHAN Jingfang, ZHANG Li. Classification of Recycled Brick and Concrete Coarse Aggregate Based on Brick Content[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(3): 957-963.

参考文献

[1] 兰聪,卢佳林,陈景,等.我国建筑垃圾资源化利用现状及发展分析[J].江西建材,2018(8):19+22.
LAN C, LU J L, CHEN J, et al. Status quo and development analysis of resource utilization of construction waste in China[J]. Jiangxi Building Materials, 2018(8): 19+22 (in Chinese).
[2] ANON. The recycling of concrete: the Japanese experience[C]. Proceedings the 4th Cnmet/ACI/JCI International Conference, 1998: 221-237.
[3] TAM V W Y, SOOMRO M, EVANGELISTA A C J. A review of recycled aggregate in concrete applications (2000—2017)[J]. Construction and Building Materials, 2018, 172: 272-292.
[4] 中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.混凝土用再生粗骨料:GB/T 25177—2010[S].北京:中国标准出版社,2011.
General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China, Standardization Administration. Recycled coarse aggregate for concrete: GB/T 25177—2010[S]. Beijing: Standards Press of China, 2011 (in Chinese).
[5] 中华人民共和国住房和城乡建设部.再生骨料应用技术规程:JGJ/T 240—2011[S].北京:中国建筑工业出版社,2011.
Ministry of Housing and Urban-Rural Development of the People’s Republic of China. Technical specification for application of recycled aggregate: JGJ/T 240—2011[S]. Beijing: China Architecture & Building Press, 2011 (in Chinese).
[6] 刘庆东,张信龙,秦文萍,等.废弃砖再生骨料的强化及其应用研究[J].混凝土,2018(2):42-45.
LIU Q D, ZHANG X L, QIN W P, et al. Study on strengthening and application of recycled aggregate of discarded brick[J]. Concrete, 2018(2): 42-45 (in Chinese).
[7] 张海燕,胡忠豪,吴波.粗骨料的分类及对再生混凝土抗压强度的影响[J].工业建筑,2018,48(1):138-144.
ZHANG H Y, HU Z H, WU B. Classification of coarse aggregates and its effect on compressive strength of recycled aggregate concrete[J]. Industrial Construction, 2018, 48(1): 138-144 (in Chinese).
[8] 肖建庄,雷斌,袁飚.废混凝土再生粗集料性能试验与分级标准研究[J].四川大学学报(工程科学版),2009,41(s1):23-28.
XIAO J Z, LEI B, YUAN B. On the properties and classification standard of recycled coarse aggregate derived from waste concrete[J]. Journal of Sichuan University (Engineering Science Edition), 2009, 41(s1): 23-28 (in Chinese).
[9] 吴瑾,朱磊,景宪航.再生粗骨料的随机特性及分级方法研究[J].工程力学,2015,32(2):97-104+130.
WU J, ZHU L, JING X H. Study on stochastic characteristics and classification criteria of recycled coarse aggregate[J]. Engineering Mechanics, 2015, 32(2): 97-104+130 (in Chinese).
[10] BONIFAZI G, PALMIERI R, SERRANTI S. Evaluation of attached mortar on recycled concrete aggregates by hyperspectral imaging[J]. Construction and Building Materials, 2018, 169: 835-842.
[11] 中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.建设用卵石、碎石:GB/T 14685—2011[S].北京:中国标准出版社,2012.
General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China, Standardization Administration. Pebble and crushed stone for construction: GB/T 14685—2011[S]. Beijing: Standards Press of China, 2012 (in Chinese).
[12] Standard test methods for sampling and testing concrete masonry units and related units: ASTM C140[S]. West Conshohocken, PA:ASTM International, 2018.
[13] 李鹏飞.再生混凝土多孔砖用骨料及配合比试验研究[D].长沙:长沙理工大学,2011.
LI P F. The experimental research on regeneration aggregate and proportioning of recycled concrete brick[D]. Changsha: Changsha University of Science & Technology, 2011 (in Chinese).
[14] 陈树建.再生材料生态混凝土配制技术及性能试验研究[D].泰安:山东农业大学,2013.
CHEN S J. Studies on preparation technology and performance tests of recycled materials ecological concrete[D]. Taian: Shandong Agricultural University, 2013 (in Chinese).
[15] 元成方,李爽,曾力,等.混合再生骨料材料性能试验研究[J].混凝土,2018(3):98-100.
YUAN C F, LI S, ZENG L, et al. Experimental study on material properties of mixed recycled aggregate[J]. Concrete, 2018(3): 98-100 (in Chinese).
[16] 陈阳.不同来源再生砂浆及混凝土的基本力学性能试验研究[D].南京:东南大学,2016.
CHEN Y. Experimental research on basic mechanical properties of recycled concrete and mortar with aggregates from different sources[D]. Nanjing: Southeast University, 2016 (in Chinese).
[17] 王智威.不同来源再生骨料的基本性能及其对混凝土抗压强度的影响[J].新型建筑材料,2007,34(7):57-60.
WANG Z W. Basic property of recycled aggregates from various sources and their influence on compression strength of concrete[J]. New Building Materials, 2007, 34(7): 57-60 (in Chinese).
[18] 王社良,景龙平,张博,等.砖含量对再生骨料性能影响的试验研究[J].混凝土,2011(2):83-85+88.
WANG S L, JING L P, ZHANG B, et al. Experimental analysis of properties of recycled aggregates with different brick contents[J]. Concrete, 2011(2): 83-85+88 (in Chinese).
[19] 刘秦.再生废砖粗骨料混凝土配合比及物理性能试验研究[D].郑州:郑州大学,2010.
LIU Q. Experimental study on mix design and fundamental properties for concrete using recycle crushed bricks coarse aggregate[D]. Zhengzhou: Zhengzhou University, 2010 (in Chinese).
[20] 王显利,李奇超,常广利.复掺废砖再生混凝土的抗压强度[J].北华大学学报(自然科学版),2017,18(4):528-532.
WANG X L, LI Q C, CHANG G L. Compressive strength of mixed waste recycled concrete[J]. Journal of Beihua University (Natural Science), 2017, 18(4): 528-532 (in Chinese).
[21] 刘军,李瑶,刘宇,等.无机预处理再生粗骨料的性能研究[J].沈阳建筑大学学报(自然科学版),2009,25(1):133-138.
LIU J, LI Y, LIU Y, et al. Study on property of recycled coarse aggregate pretreated with inorganic materials[J]. Journal of Shenyang Jianzhu University (Natural Science), 2009, 25(1): 133-138 (in Chinese).
[22] YAN H D, HUANG G H. Study on pervious road brick prepared by recycled aggregate concrete[J]. Key Engineering Materials, 2006, 302/303: 321-328.
[23] ZHU L H, DAI J, BAI G L, et al. Study on thermal properties of recycled aggregate concrete and recycled concrete blocks[J]. Construction and Building Materials, 2015, 94: 620-628.
[24] 赵玉青,邢振贤.超细粉煤灰配制碎砖骨料混凝土试验研究[J].混凝土,2011(10):142-144.
ZHAO Y Q, XING Z X. Experimental study on application of double-doped technology to recycled concrete[J]. Concrete, 2011(10): 142-144 (in Chinese).
[25] 宗明明,唐国才,顾月芹.碎砖骨料再生混凝土渗透性研究[J].江苏建筑,2017(2):107-109.
ZONG M M, TANG G C, GU Y Q. Permeability study of brick aggregate recycled concrete[J]. Jiangsu Construction, 2017(2): 107-109 (in Chinese).
[26] 安新正,牛薇,杨莹莹,等.废砖骨料对再生混凝土抗压与收缩性能的影响[J].河北工程大学学报(自然科学版),2017,34(3):56-59+73.
AN X Z, NIU W, YANG Y Y, et al. Influence of waste brick coarse aggregate on compressive and shrinkage of recycled concrete[J]. Journal of Hebei University of Engineering (Natural Science Edition), 2017, 34(3): 56-59+73 (in Chinese).
[27] 詹年欢.碎砖骨料再生混凝土砌墙砖耐久性试验研究[D].合肥:安徽建筑大学,2016.
ZHAN N H. Experimental research on durability of crushed bricks as aggregate in recycled concrete wall bricks[D]. Hefei: Anhui Jianzhu University, 2016 (in Chinese).
[28] 宋少民,王林.建筑垃圾再生混凝土配合比试验研究[J].武汉理工大学学报,2009,31(7):56-59.
SONG S M, WANG L. The experiment research on concrete with construction rubbish recycled aggregate[J]. Journal of Wuhan University of Technology, 2009, 31(7): 56-59 (in Chinese).
[29] 张学兵,方志,郭雪怡,等.DSP强化与预处理的再生骨料混凝土强度及破坏机理分析[J].工业建筑,2012,42(4):15-20.
ZHANG X B, FANG Z, GUO X Y, et al. Strength and failure mechanism analysis of recycled aggregate concrete improved by DSP grout[J]. Industrial Construction, 2012, 42(4): 15-20 (in Chinese).
[30] 沈建生,徐亦冬,周士琼,等.再生混凝土配合比试验研究[J].新型建筑材料,2007,34(8):18-20.
SHEN J S, XU Y D, ZHOU S Q, et al. Experimental study on mixing proportion of reclaimed concrete[J]. New Building Materials, 2007, 34(8): 18-20 (in Chinese).
[31] 顾荣军,袁江,耿欧,等.再生骨料的基本性能研究[J].混凝土,2009(9):85-86+106.
GU R J, YUAN J, GENG O, et al. Basic properties of recycled aggregate[J]. Concrete, 2009(9): 85-86+106 (in Chinese).
[32] 曾力,赵伟.再生粗骨料混凝土强度公式研究[J].混凝土,2009(5):80-82.
ZENG L, ZHAO W. Strength formula of recycled coarse aggregate concrete[J]. Concrete, 2009(5): 80-82 (in Chinese).
[33] 孔德玉.天然与再生骨料混凝土水灰比统一定则(Ⅰ):粗骨料强度的影响[J].建筑材料学报,2003,6(2):129-134.
KONG D Y. Unified bolomey’s formula of concrete made with natural and recycled coarse aggregate (Ⅰ): effect of strength of coarse aggregate[J]. Journal of Building Materials, 2003, 6(2): 129-134 (in Chinese).
[34] 张永娟,何舜,张雄,等.再生混凝土Bolomey公式的修正[J].建筑材料学报,2012,15(4):538-543.
ZHANG Y J, HE S, ZHANG X, et al. Modification of the Bolomey formula in recycled aggregate concrete[J]. Journal of Building Materials, 2012, 15(4): 538-543 (in Chinese).
[35] 杨青.再生骨料的吸水率对再生混凝土物理力学性能的影响研究[D].杭州:浙江大学,2011.
YANG Q. Research on physical and mechanical properties of recycled concrete affected by water absorption of recycled aggregate[D]. Hangzhou: Zhejiang University, 2011 (in Chinese).