复合结构生态透水砖设计及性能分析
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摘要
以水泥细石透水混凝土为基层材料、树脂砂基混合料为面层材料,制备复合结构生态透水砖(EP-BCS).通过分析树脂、水泥、有机物X及石英粉对复合结构砂基透水砖的抗折强度、抗压强度,以及透水系数的影响规律,确定透水砖的基本结构和组分,并对其透水机理进行分析.研究表明:掺入4%石英粉作为矿物外掺料,可以在保证树脂砂基混合料强度的基础上有效改善材料的透水性能;当树脂掺量为3%～5%时,有利于面层砂基混合料力学性能的改善;当树脂掺量为5%,石英粉掺量为4%,以及体积分数10%的有机物X掺量为2%,基层透水混凝土的主要组分掺量为细石∶水泥∶水=3.0∶0.8∶0.3时,复合结构生态透水砖的抗压强度高于25.0MPa,且透水系数均高于2.3×10-2 cm·s-1,满足相关规范对一般透水砖的性能要求.
Taking cement pervious concrete with fine stone as base material,and resin-sand mixture as surface material,these two kinds of materials were used to prepare the ecological permeable brick with composite structure(EPBCS).The basic structure and composition of EPBCS were designed by analyzing the effect of resin,cement,organic-X and quartz powder on the flexural strength,compressive strength and permeability coefficient of EPBCS;and the permeability mechanism was studied.It is shown that:on the basis of guaranteeing the basic mechanical properties,adding 4%quartz powder improves effectively the water permeability of resin-sand mixture;adding 3%-5% resin improves the mechanical properties of resin-sand mixture.Adding5%resin,4% quartz powder,2% organic-X with 10% concentration,and ratio of the main components of base permeable concrete is that fine stone∶cement∶water=3.0∶0.8∶0.3,the compressive strength of all the specimens of EPBCS exceeds 25.0 MPa,and the permeability coefficients are higher than 2.3×10-2 cm·s-1,which meets the requirements of relevant specifications.
Taking cement pervious concrete with fine stone as base material,and resin-sand mixture as surface material,these two kinds of materials were used to prepare the ecological permeable brick with composite structure(EPBCS).The basic structure and composition of EPBCS were designed by analyzing the effect of resin,cement,organic-X and quartz powder on the flexural strength,compressive strength and permeability coefficient of EPBCS;and the permeability mechanism was studied.It is shown that:on the basis of guaranteeing the basic mechanical properties,adding 4%quartz powder improves effectively the water permeability of resin-sand mixture;adding 3%-5% resin improves the mechanical properties of resin-sand mixture.Adding5%resin,4% quartz powder,2% organic-X with 10% concentration,and ratio of the main components of base permeable concrete is that fine stone∶cement∶water=3.0∶0.8∶0.3,the compressive strength of all the specimens of EPBCS exceeds 25.0 MPa,and the permeability coefficients are higher than 2.3×10-2 cm·s-1,which meets the requirements of relevant specifications.
引文
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[19]王萍萍,徐向舟.砂基透水砖的制备及性能优化研究[J].新型建筑材料,2013(8):44-47.DOI:10.3969/j.issn.1001-702X.2013.08.013.
[20]许军凯,辛梅华,李明春,等.硅材料改性水性聚氨酯的研究进展[J].华侨大学学报(自然科学版),2018,39(5):627-635.DOI:10.11830/ISSN.1000-5013.201806002.
[21]曾宪沂,彭红涛,卞立波,等.砂基多孔隙透水材料探析[J].施工技术,2018,47(6):1278-1279.
[22]蔡润泽,满都拉,沉思晗.砂基透水混凝土路面砖胶结料试验研究[J].硅酸盐通报,2018,37(6):1995-2001.DOI:10.16552/j.cnki.issn1001-1625.2018.06.033.
[23]杨三强,黄士周.水胶比、级配对砂基透水砖透水系数及强度的影响[J].长沙理工大学学报(自然科学版),2017,14(4):30-35.
[24]汪俊松,韩雪颖,张玉.透水铺装材料湿物理性质测定[J].土木建筑与环境工程,2018,40(4):20-26.DOI:10.11835/j.issn.1674-4764.2018.04.004.
[25]李鹏.聚合物改性再生骨料透水砖的性能研究[J].新型建筑材料,2018(2):137-140.DOI:10.3969/j.issn.1001-702X.2018.02.036.
[26]许静贤.砂基透水砖的黏模问题研究[J].混凝土与水泥制品,2018(2):77-81.DOI:10.3969/j.issn.1000-4637.2018.02.017.
[27]王萍萍.树脂砂基透水砖的制备及性能研究[D].大连:大连理工大学,2013:6-28.
[2]王奕仁,李春萍,王爱勤,等.垃圾衍生燃料气化后的无机底渣制备透水砖试验研究[J].环境工程,2014,32(增刊1):619-622.
[3]ZONG Lan,FEI Zhengyue,ZHANG Shiping,et al.Permeability of recycled aggregate concrete containing fly ash and clay brick waste[J].Journal of Cleaner Production,2014,70:175-182.DOI:10.1016/j.jclepro.2014.02.040.
[4]吕淑珍,顾幸勇.利用萤石尾矿和珍珠岩废矿粉研制陶瓷透水砖[J].新型建筑材料,2009(8):31-34.DOI:10.3969/j.issn.1001-702X.2009.08.011.
[5]NISHIGAKI M.Producing permeable blocks and pavement bricks from molten slag[J].Waste Management,2000,20(2/3):185-192.DOI:10.1016/S0956-053X(99)00323-2.
[6]马养志.透水砖的生产工艺与发展前景[J].砖瓦,2004(7):47-49.DOI:10.16001/j.cnki.1001-6945.2004.07.017.
[7]JIAN Quanji,LU Yueshi,LIU Yujia,et al.Application of waste bamboo materials on produced eco-brick[J].Journal of Shanghai Jiaotong University(Science),2012,17(3):380-384.DOI:10.1007/s12204-012-1292-y.
[8]赵耀芳.碱激发固硫灰地聚物制备透水砖的工艺研究[J].商品混凝土,2017(9):40-43.
[9]苏有文,聊若寒,周良峥,等.聚合物改善透水混凝土性能试验研究[J].混凝土与水泥制品,2018(6):7-10,34.DOI:10.19761/j.1000-4637.2018.06.002.
[10]刘璐.混凝土基透水砖制备与铺装设计研究[D].大连:大连理工大学,2014:19-39.
[11]LI Ying,YANG Jianrong,GUO Tingting.The study of convertibility of water cement ratio in recycled water permeable concrete[J].Advanced Materials Research,2011,250/251/252/253:218-221.DOI:10.4028/www.scientific.net/AMR.250-253.218.
[12]蔡润泽,满都拉,陈思晗.砂基透水混凝土路面砖胶结料试验研究[J].硅酸盐通报,2018,37(6):1995-2001.
[13]LEIPARD A R,KEVERN J T,RICHARDSON J R.Hydraulic characterization and design of permeable interlocking concrete pavement[C]∥World Environmental and Water Resources Congress.Austin:American Society of Civil Engineers,2015:292-301.DOI:10.1061/9780784479162.028.
[14]LUCKE T,WHITE R,NICHOLS P,et al.A simple field test to evaluate the maintenance requirements of permeable interlocking concrete pavements[J].Water,2015,7(6):2542-2554.DOI:10.3390/w7062542.
[15]STARKE P,GBEL P,COLDEWEY W G.Effects on evaporation rates from different water-permeable pavement designs[J].Water Science and Technology,2011,63(11):2619-2627.DOI:10.2166/wst.2011.168.
[16]黄展魏,陈伟,李秋,等.水性环氧树脂改性水泥砂浆力学性能基微观结构[J].硅酸盐通报,2017,36(8):2530-2535.DOI:10.16552/j.cnki.issn1001-1625.2017.08.003.
[17]BERLINEANU A,王学智.新型生态环保透水砂浆的制备和应用[J].化工新型材料,2005,33(3):66-68.DOI:10.3969/j.issn.1006-3536.2005.03.020.
[18]贺图升,赵旭光,赵三银,等.复合结构透水砖配合比参数研究[J].武汉理工大学学报,2014,36(1):34-38.DOI:10.3963/j.issn.1671-4431.2014.01.006.
[19]王萍萍,徐向舟.砂基透水砖的制备及性能优化研究[J].新型建筑材料,2013(8):44-47.DOI:10.3969/j.issn.1001-702X.2013.08.013.
[20]许军凯,辛梅华,李明春,等.硅材料改性水性聚氨酯的研究进展[J].华侨大学学报(自然科学版),2018,39(5):627-635.DOI:10.11830/ISSN.1000-5013.201806002.
[21]曾宪沂,彭红涛,卞立波,等.砂基多孔隙透水材料探析[J].施工技术,2018,47(6):1278-1279.
[22]蔡润泽,满都拉,沉思晗.砂基透水混凝土路面砖胶结料试验研究[J].硅酸盐通报,2018,37(6):1995-2001.DOI:10.16552/j.cnki.issn1001-1625.2018.06.033.
[23]杨三强,黄士周.水胶比、级配对砂基透水砖透水系数及强度的影响[J].长沙理工大学学报(自然科学版),2017,14(4):30-35.
[24]汪俊松,韩雪颖,张玉.透水铺装材料湿物理性质测定[J].土木建筑与环境工程,2018,40(4):20-26.DOI:10.11835/j.issn.1674-4764.2018.04.004.
[25]李鹏.聚合物改性再生骨料透水砖的性能研究[J].新型建筑材料,2018(2):137-140.DOI:10.3969/j.issn.1001-702X.2018.02.036.
[26]许静贤.砂基透水砖的黏模问题研究[J].混凝土与水泥制品,2018(2):77-81.DOI:10.3969/j.issn.1000-4637.2018.02.017.
[27]王萍萍.树脂砂基透水砖的制备及性能研究[D].大连:大连理工大学,2013:6-28.
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