Title The Preparation and Performence Investigation of CeremsiteEnhanced Mineral Concrete

AbstractThis article focused on the performence of no-sintering shell ceramsite that madeby wasted autoclaved aerated concrete(FAAC) and mixed with steel fiber as wellas the compressive strength of concret made with it.Motivated by the recycle ofwaste material,FAAC was utilized and re-used in this research in order to solvethe problem of disposing the wasted.This experiment used FAAC,fly ash,quartz sandand cement as raw material ,mixing with steel fiber to improve performence ,throughhydrothermal synthesis process to prepare the high performence no-sinteringsilicate-shell-ceramsit.Meanwhile,the performence of ceramsite was investigatedthoroughly in this research.The results showed that water absorption of thisno-sintering ceremsite was lower than 5% and the highest cylinder compressivestrength of ceramsite reached 35MPa.What’s more,its tap density and apparentdensity were better that of mixed ceramsite.The compressive strength of lightweight aggregate concrete usingsilicate-shell-ceramsit as coarse aggregate was investigated in this research.Theoutcome showed that the compressive strength of concrete ,furthest came up73.20MPa,that mixed with no-sintering shell ceramsite was far more better thatthose made by mixed creamste.Its average compressive strength was higher about31.28%.Furthermore,its structure distribution inside was better-distributed.Withstrength assused ,these ceremsite also reduced the weight of concret block,whichmade it gaining a promising propect in the field of building material.

Keywords wasted autoclaved aerated concrete silicate-shell-ceramsitperformence lightweight aggregate concrete compressive strength

目次

1绪论1

1.1研究背景1

1.1.1建筑行业对新型材料的迫切需求.1

1.1.2建筑材料发展历史1

1.2废加气混凝土1

1.3免烧陶粒2

1.4新型建筑材料——轻集料混凝土2

1.5本实验研究内容3

2实验过程.4

2.1实验原材料与实验设备.4

2.1.1实验原材料.4

2.1.2仪器设备.5

2.2实验方法8

2.2.2混凝土试块的制备与养护9

2.3性能测试13

2.3.1陶粒吸水率.13

2.3.2陶粒堆积密度.13

2.3.3陶粒表观密度.14

2.3.4陶粒粒型系数.14

2.3.5陶粒筒压强度.14

2.3.6混凝土抗压强度测试15

3.实验结果与讨论16

3.1陶粒性能表征16

3.1.1陶粒吸水率.16

3.1.2陶粒堆积密度.16

3.1.3陶粒表观密度.17