CN105781006A - 一种梯度复合发泡混凝土轻质隔断及其制备方法 - Google Patents
一种梯度复合发泡混凝土轻质隔断及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种梯度复合发泡混凝土轻质隔断,包括内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层,所述内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层依次层叠粘接。本发明还公开了该梯度复合发泡混凝土轻质隔断的制备方法,将内层自流平砂浆摊铺均匀后浇注发泡混凝土层,待发泡混凝土层有一定强度后切除高出部分,清除碎屑,铺放抗裂层,最后将面层自流平砂浆摊铺于抗裂层上,经自然养护而成。本梯度复合发泡混凝土轻质隔断具备占据空间面积小、收缩小、轻质、保温隔热、耐火等级高、抗冲击能力强、可切割、可钉和施工快捷等特点。
Description
技术领域
本发明属于建筑领域,具体涉及一种梯度复合发泡混凝土轻质隔断及其制备方法。
背景技术
轻质隔断墙材作为一种新型建筑内围护墙体材料,具有增加使用面积,减轻墙体自重,改善使用功能,降低建筑综合造价,提高建筑施工效率等特点。目前,砌块式隔墙、板材隔墙与骨架隔墙板是常见的几种隔断方式。砌块式隔墙,优点是稳固、隔声、保温,缺点是一旦砌筑成墙体,不可拆开调整,而且多占用较大面积,减少实际使用面积;板材隔墙,优点是稳固、轻质、隔声、耐潮,缺点是易产生由收缩引起接缝开裂的问题;骨架隔墙板,多是以木材、金属型材等设置龙骨,两面以各种木质板、防火板、塑料板、纸面石膏等板材做罩面板,中间再填充岩棉等保温、隔声材料的三明治夹芯结构,轻钢龙骨石膏板隔墙就是这类结构。其优点是干作业、施工便捷、伸缩率较小,有效克制了其它轻质板材在运用过程中由于本身收缩较大而引起接缝开裂的缺陷,缺点是不能做卫生间和厨房间的隔墙,罩面板受到冲击后极易形成凹陷等缺陷,影响美观。目前,建筑市场迫切需要一种能够克服上述问题的新型轻质隔断方式。
发明内容
本发明目的之一是提供一种梯度复合发泡混凝土轻质隔断,该隔断占据空间面积小、收缩小、轻质、保温隔热、耐火等级高、抗冲击能力强、可切割、可钉、施工快捷。
为实现上述目的,本发明通过如下的技术方案来实现:一种梯度复合发泡混凝土轻质隔断,包括内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层,所述内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层依次层叠粘接。
所述内层自流平砂浆层的厚度为3~10mm。
所述发泡混凝土层的发泡混凝土的容重为150~350kg/m3。
所述发泡混凝土层的厚度为50~100mm。
所述抗裂层为耐碱玻璃纤维网格布。
所述面层自流平砂浆层的厚度为3~10mm。
进一步地,所述发泡混凝土和自流平砂浆均具有抗裂组分。所述抗裂组分为聚丙烯纤维。
具体地,所述自流平砂浆包括以下组分:普通硅酸盐水泥20~30份,硫铝酸盐水泥10~15份,粉煤灰8~12份,矿渣0~8份,硅灰0~6份,石膏5~10份,细集料45~65份,填料20~30份,减水剂0.1~0.8份,保水剂0.02~0.05份,可再分散乳胶粉2~6份,早强剂0.2~3.0份,消泡剂0.1~1.2份,促凝剂0.1~0.3份,纤维0.1~1.0份,水18~24份。
所述发泡混凝土包括以下组分:普通硅酸盐水泥120~260份,促凝剂1.0~2.6份,稳泡剂0.5~1.2份,减水剂1.2~2.6份,发泡剂9~14份,纤维0.1~0.3份,水50~130份。
本发明的目的之二在于提供上述梯度复合发泡混凝土轻质隔断的制备方法。
为实现上述目的,本发明通过如下的技术方案来实现:一种梯度复合发泡混凝土轻质隔断的制备方法,包括以下步骤:
(1)组装好模具,并均匀的涂刷上一层脱模剂;
(2)分别拌制自流平砂浆和发泡混凝土;
(3)按照所需厚度将适量的自流平砂浆均匀铺摊在模具内,并用消泡滚筒轻轻滚压排除气泡,而后立刻将发泡混凝土浆料均匀的浇注在自流平砂浆层上,进行自然养护;
(4)按照所需的发泡混凝土层厚度,切除高出指定厚度部分的发泡混凝土,并清除切除过程中产生并遗留在发泡混凝土表面上的碎屑;
(5)将合适大小的耐碱玻璃纤维网格布铺放于发泡混凝土层表面;
(6)按所需厚度将适量自流平砂浆浇注在耐碱玻璃纤维网格布上,自然养护后脱模,即得梯度复合发泡混凝土轻质隔断。
本发明的有益效果:
(1)本发明提供的梯度复合发泡混凝土轻质隔断厚度薄、抗裂性好、表面强度高,克服了类似砌块式隔墙占据空间面积大、板材隔墙收缩较大导致接缝开裂、轻钢龙骨石膏板隔墙受冲击表面凹陷等不足,同时成本与其他隔断方式相当。
(2)本发明中,在发泡混凝土和自流平砂浆中均有聚丙烯纤维,减少轻质隔断的自身收缩。同时,耐碱玻璃纤维网格布层可有效改善面层的机械强度,防止面层自流平砂浆抵抗自然界温、湿度变化及意外撞击所引起的开裂。
(3)本发明中,采用梯度复合的方式,有效限制平面变形,结构相比轻钢龙骨石膏板隔墙更加稳定;充分利用水泥基材料的粘结能力,优化制备流程,全程无需使用有机粘结剂,更加安全环保。
附图说明
图1是本发明梯度复合发泡混凝土轻质隔断的截面结构示意图。
1.内层自流平砂浆层;2.发泡混凝土层;3.抗裂层;4.面层自流平砂浆层。
具体实施方式
为了进一步理解本发明,以下结合具体实施例子来说明,下述各实施例子仅用于说明本发明而非对本发明的限制。
实施例1
图1所示的梯度复合发泡混凝土轻质隔断包括内层自流平砂浆层1、发泡混凝土层2、抗裂层3和面层自流平砂浆层4共4层,摊铺均匀内层自流平砂浆层1后立刻浇注发泡混凝土层2,待发泡混凝土层2具备一定强度后切除高出指定厚度部分,并清除碎屑,将抗裂层3即耐碱玻璃纤维网格布铺放在发泡混凝土层2上,随后摊铺面层自流平砂浆层4。其中,内层自流平砂浆层的厚度为5mm,发泡混凝土层的发泡混凝土的容重为350kg/m3,发泡混凝土层的厚度为50mm,面层自流平砂浆层的厚度为3mm。
自流平砂浆的组成:普通硅酸盐水泥30份,硫铝酸盐水泥15份,粉煤灰8份,矿渣4份,硅灰3份,石膏5份,细集料45份,填料20份,减水剂0.8份,保水剂0.05份,可再分散乳胶粉6份,早强剂3.0份,消泡剂1.2份,促凝剂0.3份,纤维1.0份,水18份。
发泡混凝土的组成:普通硅酸盐水泥260份,促凝剂2.6份,稳泡剂1.2份,减水剂2.6份,发泡剂12份,纤维0.3份,水104份。
制备流程:
(1)组装好模具,并均匀的涂刷上一层脱模剂。
(2)分别拌制自流平砂浆和发泡混凝土。
(3)按照所需厚度将适量的自流平砂浆均匀铺摊在模具内,并用消泡滚筒轻轻滚压排除气泡,而后立刻将发泡混凝土浆料均匀的浇注在自流平砂浆层上,进行自然养护。
(4)待发泡混凝土层具备一定强度后,按照所需的发泡混凝土层厚度,切除高出指定厚度部分的发泡混凝土,并清除切除过程中产生并遗留在发泡混凝土表面上的碎屑。
(5)将合适大小的耐碱玻璃纤维网格布铺放于发泡混凝土层表面。
(6)按所需厚度将适量自流平砂浆浇注在耐碱玻璃纤维网格布上,自然养护后脱模,即得梯度复合发泡混凝土轻质隔断。
实施例2
与实施例1不同的是:内层自流平砂浆层的厚度为8mm,发泡混凝土层的发泡混凝土的容重为250kg/m3,发泡混凝土层的厚度为80mm,面层自流平砂浆层的厚度为4mm。
自流平砂浆的组成:普通硅酸盐水泥25份,硫铝酸盐水泥12份,粉煤灰10份,硅灰4份,石膏10份,细集料55份,填料25份,减水剂0.5份,保水剂0.03份,可再分散乳胶粉4份,早强剂1.5份,消泡剂0.8份,促凝剂0.2份,纤维0.5份,水20份。
发泡混凝土的组成:普通硅酸盐水泥200份,促凝剂2.4份,稳泡剂0.9份,减水剂2份,发泡剂11份,纤维0.2份,水90份。
实施例3
与实施例1不同的是:内层自流平砂浆层的厚度为10mm,发泡混凝土层的发泡混凝土的容重为150kg/m3,,发泡混凝土层的厚度为100mm,面层自流平砂浆层的厚度为5mm。
自流平砂浆的组成:普通硅酸盐水泥26份,硫铝酸盐水泥13份,粉煤灰10份,矿渣3份,硅灰5份,石膏5份,细集料48份,填料25份,减水剂0.6份,保水剂0.05份,可再分散乳胶粉4份,早强剂2.0份,消泡剂1.0份,促凝剂0.3份,纤维0.5份,水20份。
发泡混凝土的组成:普通硅酸盐水泥130份,促凝剂1.0份,稳泡剂1.0份,减水剂1.3份,发泡剂11份,纤维0.3份,水50份。
实施例4
与实施例1不同的是:内层自流平砂浆层的厚度为8mm,发泡混凝土层的发泡混凝土的容重为200kg/m3,发泡混凝土层的厚度为80mm,面层自流平砂浆层的厚度为8mm。
自流平砂浆的组成:普通硅酸盐水泥24份,硫铝酸盐水泥13份,粉煤灰10份,矿渣1份,硅灰5份,石膏7份,细集料55份,填料30份,减水剂0.5份,保水剂0.05份,可再分散乳胶粉4份,早强剂2.0份,消泡剂1.0份,促凝剂0.3份,纤维0.4份,水20份。
发泡混凝土的组成:普通硅酸盐水泥180份,促凝剂1.0份,稳泡剂1.0份,减水剂1.8份,发泡剂13份,纤维0.3份,水70份。
实施例5
与实施例1不同的是:内层自流平砂浆层的厚度为10mm,发泡混凝土层的发泡混凝土的容重为300kg/m3,发泡混凝土层的厚度为100mm,面层自流平砂浆层的厚度为5mm。
自流平砂浆的组成:普通硅酸盐水泥22份,硫铝酸盐水泥11份,粉煤灰10份,矿渣5份,石膏8份,细集料63份,填料20份,减水剂0.5份,保水剂0.02份,可再分散乳胶粉4份,早强剂1.0份,消泡剂0.4份,促凝剂0.2份,纤维0.6份,水24份。
发泡混凝土的组成:普通硅酸盐水泥240份,促凝剂1.8份,稳泡剂1.1份,减水剂1.8份,发泡剂9份,纤维0.1份,水108份。
Claims (8)
1.一种梯度复合发泡混凝土轻质隔断,其特征在于,包括内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层,所述内层自流平砂浆层、发泡混凝土层、抗裂层和面层自流平砂浆层依次层叠粘接。
2.如权利要求1所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述底层自流平砂浆层的厚度为3~10mm。
3.如权利要求1所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述发泡混凝土层的发泡混凝土的容重为150~350kg/m3,厚度为50~100mm。
4.如权利要求1所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述抗裂层为耐碱玻璃纤维网格布。
5.如权利要求1所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述面层自流平砂浆层的厚度为3~10mm。
6.如权利要求1-5任一项所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述自流平砂浆包括以下组分:普通硅酸盐水泥20~30份,硫铝酸盐水泥10~15份,粉煤灰8~12份,矿渣0~8份,硅灰0~6份,石膏5~10份,细集料45~65份,填料20~30份,减水剂0.1~0.8份,保水剂0.02~0.05份,可再分散乳胶粉2~6份,早强剂0.2~3.0份,消泡剂0.1~1.2份,促凝剂0.1~0.3份,纤维0.1~1.0份,水18~24份。
7.如权利要求6所述的梯度复合发泡混凝土轻质隔断,其特征在于,所述发泡混凝土包括以下组分:普通硅酸盐水泥120~260份,促凝剂1.0~2.6份,稳泡剂0.5~1.2份,减水剂1.2~2.6份,发泡剂9~14份,纤维0.1~0.3份,水50~130份。
8.一种权利要求1~7任一项所述的梯度复合发泡混凝土轻质隔断的制备方法,包括以下步骤:
(1)组装好模具,并均匀的涂刷上一层脱模剂;
(2)分别拌制自流平砂浆和发泡混凝土;
(3)按照所需厚度将适量的自流平砂浆均匀铺摊在模具内,并用消泡滚筒轻轻滚压排除气泡,而后立刻将发泡混凝土浆料均匀的浇注在自流平砂浆层上,进行自然养护;
(4)按照所需的发泡混凝土层厚度,切除高出指定厚度部分的发泡混凝土,并清除切除过程中产生并遗留在发泡混凝土表面上的碎屑;
(5)将合适大小的耐碱玻璃纤维网格布铺放于发泡混凝土层表面;
(6)按所需厚度将适量自流平砂浆浇注在耐碱玻璃纤维网格布上,自然养护后脱模,即得梯度复合发泡混凝土轻质隔断。
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