纤维对碱式硫酸镁水泥泡沫混凝土性能影响_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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纤维对碱式硫酸镁水泥泡沫混凝土性能影响

Study of Fiber on Performance of Magnesium Oxysulfide Cement Foam Concrete

2020年第9期

碱式硫酸镁水泥；泡沫混凝土；玻璃纤维；聚丙烯纤维；物理性能；力学性能

Magnesium oxysulfide cement foam concrete; Foam concrete; Glass fiber; Polypropylene fiber; Physical property; Mechanical property

2020年第9期

19761/j.1000-4637.2020.09.052.06

国家自然科学基金项目（51662035）；青海省科学技术厅应用基础研究计划项目（2019-ZJ-7005）。

宗京平1，刘潘潘1，吴成友1,2，余红发1,3

1.青海大学土木工程学院，青海西宁 810016；2.青海省建筑节能材料与工程安全重点实验室，青海西宁 810016；3.南京航空航天大学土木与机场工程系，江苏南京 210016

宗京平1，刘潘潘1，吴成友1,2，余红发1,3

宗京平,刘潘潘,吴成友,等.纤维对碱式硫酸镁水泥泡沫混凝土性能影响[J].混凝土与水泥制品,2020(9):52-56,73.

ZONG J P,LIU P P,WU C Y,et al.Study of Fiber on Performance of Magnesium Oxysulfide Cement Foam Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):52-56,73.

浏览量:

1000

摘要：采用化学发泡法制备了碱式硫酸镁水泥泡沫混凝土（MOSFC），研究了不同掺量的玻璃纤维（GF）和聚丙烯纤维（PP）对MOSFC干密度、导热系数、孔隙率、体积吸水率、软化系数和力学性能的影响，并结合XRD、SEM方法分析了其作用机理。结果表明，GF和PP的加入能够提高MOSFC的强度，且二者的最佳掺量分别为0.5%和1.5%；GF和PP在改善MOSFC力学性能的同时增大了干密度和导热系数，降低了保温性能；掺加1.0%的GF能有效改善MOSFC的抗水性能，但PP对MOSFC的抗水性能不利。 Abstract: The chemical foaming method was used to prepare magnesium oxysulfide cement foam concrete(MOSFC), and the effects of glass fiber(GF) and polypropylene fiber(PP) content on the dry density, thermal conductivity, porosity, volumetric water absorption, softening coefficient and mechanical properties of basic magnesium sulfate cement foam concrete were studied, and the mechanism was analyzed by XRD and SEM. The results show that the addition of GF and PP can increase the strength of MOSFC, and the optimal dosage of GF and PP is 0.5% and 1.5%, respectively. The addition of GF and PP can increase the dry density and thermal conductivity while improving the mechanical properties, and the thermal insulation performance decrease. Adding 1%GF can effectively improve the water resistance of MOSFC, but PP is detrimental to the water resistance of MOSFC.

英文名 : Study of Fiber on Performance of Magnesium Oxysulfide Cement Foam Concrete

刊期 : 2020年第9期

关键词 : 碱式硫酸镁水泥；泡沫混凝土；玻璃纤维；聚丙烯纤维；物理性能；力学性能

Key words : Magnesium oxysulfide cement foam concrete; Foam concrete; Glass fiber; Polypropylene fiber; Physical property; Mechanical property

刊期 : 2020年第9期

DOI : 19761/j.1000-4637.2020.09.052.06

文章编号 :

基金项目 : 国家自然科学基金项目（51662035）；青海省科学技术厅应用基础研究计划项目（2019-ZJ-7005）。

作者 : 宗京平1，刘潘潘1，吴成友1,2，余红发1,3

单位 : 1.青海大学土木工程学院，青海西宁 810016；2.青海省建筑节能材料与工程安全重点实验室，青海西宁 810016；3.南京航空航天大学土木与机场工程系，江苏南京 210016

宗京平1，刘潘潘1，吴成友1,2，余红发1,3

宗京平,刘潘潘,吴成友,等.纤维对碱式硫酸镁水泥泡沫混凝土性能影响[J].混凝土与水泥制品,2020(9):52-56,73.

ZONG J P,LIU P P,WU C Y,et al.Study of Fiber on Performance of Magnesium Oxysulfide Cement Foam Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):52-56,73.

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摘要

参数

结论

参考文献

引用本文

Abstract: The chemical foaming method was used to prepare magnesium oxysulfide cement foam concrete(MOSFC), and the effects of glass fiber(GF) and polypropylene fiber(PP) content on the dry density, thermal conductivity, porosity, volumetric water absorption, softening coefficient and mechanical properties of basic magnesium sulfate cement foam concrete were studied, and the mechanism was analyzed by XRD and SEM. The results show that the addition of GF and PP can increase the strength of MOSFC, and the optimal dosage of GF and PP is 0.5% and 1.5%, respectively. The addition of GF and PP can increase the dry density and thermal conductivity while improving the mechanical properties, and the thermal insulation performance decrease. Adding 1%GF can effectively improve the water resistance of MOSFC, but PP is detrimental to the water resistance of MOSFC.

关键词:

硫酸镁

the

and

mosfc

thermal

water

can

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