CN108585925A - 一种自保温混凝土砌块 - Google Patents
一种自保温混凝土砌块 Download PDFInfo
- Publication number
- CN108585925A CN108585925A CN201810687772.5A CN201810687772A CN108585925A CN 108585925 A CN108585925 A CN 108585925A CN 201810687772 A CN201810687772 A CN 201810687772A CN 108585925 A CN108585925 A CN 108585925A
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- CN
- China
- Prior art keywords
- parts
- building block
- self heat
- concrete building
- flyash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000979 retarding Effects 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical group 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 NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 1
- 239000008030 superplasticizer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
本发明公开了一种自保温混凝土砌块,由以下按照重量份数的原料组成:水泥20‑30份、砂25‑55份、膨胀蛭石15‑25份、石灰15‑30份、粉煤灰30‑50份、矿渣粉2‑10份、玻化微珠10‑15份、减水剂2‑8份、发泡剂5‑10份、稳泡剂3‑5份、聚丙烯纤维3‑12。本发明中使用粉煤灰和矿渣粉作为材料,实现了工业废渣的资源再生和循环利用,降低了墙体的生产成本;用玻化微珠作为轻质骨料,可提高砂浆的和易流动性和自抗强度;聚丙烯纤维可有效的控制混凝土固塑性收缩、干缩、温度变化等因素引起的微裂缝,大大改善混凝土的阻裂抗渗性能,抗冲击及抗震能力;粉煤灰、矿渣粉和膨胀蛭石的使用可减轻砌块本身重量、使其内部产生多孔结构,增加其隔音、隔热效果。
Description
一种自保温混凝土砌块
技术领域
[0001] 本发明涉及建筑墙体技术领域,具体是一种自保温混凝土砌块。
背景技术
[0002] 混凝土,简称为“轮”:是指由胶凝材料将骨料胶结成整体的工程复合材料的统称。 通常讲的混凝土一词是指用水泥作胶凝材料,砂、石作骨料;与水(可含外加剂和掺合料)按 一定比例配合,经搅拌而得的水泥混凝土,也称普通混凝土,它广泛应用于土木工程。
[0003] 目前,在建筑领域广泛使用混凝土砌块来建造建筑墙体,由于其具有保温、隔音等 特点,从而被大范围使用。但是,现在我们所使用的混凝土砌块其保温效果已不能满足人们 的需求,且生产成本偏高,易开裂,抗震能力不强等缺点。
发明内容
[0004] 本发明的目的在于提供一种自保温混凝土砌块,以解决上述背景技术中提出的问 题。
[0005] 为实现上述目的,本发明提供如下技术方案:
[0006] —种自保温混凝土砌块,由以下按照重量份数的原料组成:
[0007] 水泥20-30份、砂25-55份、膨胀蛭石15-25份、石灰15-30份、粉煤灰30-50份、矿渣 粉2-10份、玻化微珠10-15份、减水剂2-8份、发泡剂5-10份、稳泡剂3-5份、聚丙烯纤维3-12。
[0008] —种自保温混凝土砌块制备过程,包括以下步骤:
[0009] 步骤一:秤取所述组分的重量份,备用;
[0010] 步骤二:将水泥、砂、膨胀蛭石、石灰、粉煤灰、矿渣粉、玻化微珠和聚丙烯纤维倒入 搅拌器中,搅拌均匀,得到干混料;
[0011] 步骤三:向搅拌器中加入适量的水,并将减水剂、发泡剂、稳泡剂加入搅拌器中,继 续搅拌使物料混合均匀,得到混合浆料;
[0012] 步骤四:将浆料注入模具中,经过预养、脱膜、切割、养护等工艺过程,制成混凝土 砌块。
[0013] 作为本发明进一步的方案:所述膨胀蛭石的粒径为15-20目。
[0014] 作为本发明再进一步的方案:所述减水剂为氨基高效减水剂、聚羧酸高性能减水 剂或脂肪族高效减水剂中的一种或多种。
[0015] 作为本发明再进一步的方案:所述发泡剂为十二烷基硫酸钠。
[0016] 作为本发明再进一步的方案:所述粉煤灰具体采用高钙粉煤灰,其颗粒的粒径范 围为0.5-300uM。
[0017] 作为本发明再进一步的方案:所述步骤二中搅拌时间为5-10分钟;所述步骤三中 搅拌时间为8-15分钟。
[0018] 作为本发明再进一步的方案:所述步骤四中预养是指先在60-65Γ温度下养护15-20小时,再在75-85 °C下养护2小时。
[0019] 作为本发明再进一步的方案:所述步骤二中采用中速搅拌,搅拌速度为100-150r/ min;所述步骤三中搅拌采用高速搅拌,搅拌速度为150-200r/min。
[0020] 与现有技术相比,本发明的有益效果是:
[0021] 本发明中使用粉煤灰和矿渣粉作为材料,实现了工业废渣的资源再生和循环利 用,降低了墙体的生产成本;玻化微珠具有优异的绝热、防火、吸音性能,用玻化微珠作为轻 质骨料,可提尚砂楽的和易流动性和自抗强度,减少材性收缩率,提尚广品综合性能;聚丙 烯纤维可有效的控制混凝土固塑性收缩、干缩、温度变化等因素引起的微裂缝,防止及抑止 裂缝的形成及发展,大大改善混凝土的阻裂抗渗性能,抗冲击及抗震能力;粉煤灰、矿渣粉 和膨胀蛭石的使用可减轻砌块本身重量、使其内部产生多孔结构,增加其隔音、隔热效果; 与现有的混凝土砌块相比,本发明具有防火阻燃、保温性强、隔离效果更好的特点。
具体实施方式
[0022] 下面结合具体实施方式对本发明的技术方案作进一步详细地说明。
[0023] 实施例1
[0024] —种自保温混凝土砌块,由以下按照重量份数的原料组成:
[0025] 水泥20份、砂25份、膨胀蛭石15份、石灰15份、粉煤灰30份、矿渣粉2份、玻化微珠10 份、减水剂2份、发泡剂5份、稳泡剂3份、聚丙烯纤维3。
[0026] 一种自保温混凝土砌块制备过程,包括以下步骤:
[0027] 步骤一:秤取所述组分的重量份,备用;
[0028] 步骤二:将水泥、砂、膨胀蛭石、石灰、粉煤灰、矿渣粉、玻化微珠和聚丙烯纤维倒入 搅拌器中,搅拌均匀,得到干混料;
[0029] 步骤三:向搅拌器中加入适量的水,并将减水剂、发泡剂、稳泡剂加入搅拌器中,继 续搅拌使物料混合均匀,得到混合浆料;
[0030] 步骤四:将浆料注入模具中,经过预养、脱膜、切割、养护等工艺过程,制成混凝土 砌块。
[0031] 实施例2
[0032] 一种自保温混凝土砌块,由以下按照重量份数的原料组成:
[0033] 水泥30份、砂55份、膨胀蛭石25份、石灰30份、粉煤灰50份、矿渣粉10份、玻化微珠 15份、减水剂8份、发泡剂10份、稳泡剂5份、聚丙烯纤维12。
[0034] —种自保温混凝土砌块制备过程,包括以下步骤:
[0035] 步骤一:秤取所述组分的重量份,备用;
[0036] 步骤二:将水泥、砂、膨胀蛭石、石灰、粉煤灰、矿渣粉、玻化微珠和聚丙烯纤维倒入 搅拌器中,搅拌均匀,得到干混料;
[0037] 步骤三:向搅拌器中加入适量的水,并将减水剂、发泡剂、稳泡剂加入搅拌器中,继 续搅拌使物料混合均匀,得到混合浆料;
[0038] 步骤四:将浆料注入模具中,经过预养、脱膜、切割、养护等工艺过程,制成混凝土 砌块。
[0039] 实施例3
[0040] 一种自保温混凝土砌块,由以下按照重量份数的原料组成:
[0041] 水泥23份、砂40份、膨胀蛭石25份、石灰20份、粉煤灰45份、矿渣粉8份、玻化微珠12 份、减水剂5份、发泡剂7份、稳泡剂4份、聚丙烯纤维9。
[0042] 一种自保温混凝土砌块制备过程,包括以下步骤:
[0043] 步骤一:秤取所述组分的重量份,备用;
[0044] 步骤二:将水泥、砂、膨胀蛭石、石灰、粉煤灰、矿渣粉、玻化微珠和聚丙烯纤维倒入 搅拌器中,搅拌均匀,得到干混料;
[0045] 步骤三:向搅拌器中加入适量的水,并将减水剂、发泡剂、稳泡剂加入搅拌器中,继 续搅拌使物料混合均匀,得到混合浆料;
[0046] 步骤四:将浆料注入模具中,经过预养、脱膜、切割、养护等工艺过程,制成混凝土 砌块。
[0047] 上述实施例试验效果如下:
[0049]上面对本发明的较佳实施方式作了详细说明,但是本发明并不限于上述实施方 式,在本领域的普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下 作出各种变化。
Claims (9)
1. 一种自保温混凝土砌块,其特征在于,由以下按照重量份数的原料组成: 水泥20-30份、砂25-55份、膨胀蛭石15-25份、石灰15-30份、粉煤灰30-50份、矿渣粉2-1 〇份、玻化微珠I 〇-15份、减水剂2-8份、发泡剂5-10份、稳泡剂3-5份、聚丙烯纤维3-12。
2. —种如权利要求1所述的一种自保温混凝土砌块的制备过程,其特征在于,包括以下 步骤: 步骤一:秤取所述组分的重量份,备用; 步骤二:将水泥、砂、膨胀蛭石、石灰、粉煤灰、矿渣粉、玻化微珠和聚丙烯纤维倒入搅拌 器中,搅拌均匀,得到干混料; 步骤三:向搅拌器中加入适量的水,并将减水剂、发泡剂、稳泡剂加入搅拌器中,继续搅 拌使物料混合均匀,得到混合浆料; 步骤四:将浆料注入模具中,经过预养、脱膜、切割、养护等工艺过程,制成混凝土砌块。
3. 根据权利要求1所述的自保温混凝土砌块,其特征在于,所述膨胀蛭石的粒径为15-20目。
4. 根据权利要求1所述的自保温混凝土砌块,其特征在于,所述减水剂为氨基高效减水 剂、聚羧酸高性能减水剂或脂肪族高效减水剂中的一种或多种。
5. 根据权利要求1所述的自保温混凝土砌块,其特征在于,所述发泡剂为十二烷基硫酸 钠。
6. 根据权利要求1所述的自保温混凝土砌块,其特征在于,所述粉煤灰具体采用高钙粉 煤灰,其颗粒的粒径范围为〇. 5-300uM。
7. 根据权利要求2所述的自保温混凝土砌块,其特征在于,所述步骤二中搅拌时间为5-1 〇分钟;所述步骤三中搅拌时间为8-15分钟。
8. 根据权利要求2所述的自保温混凝土砌块,其特征在于,所述步骤四中预养是指先在 60-65°C温度下养护15-20小时,再在75-85°C下养护2小时。
9. 根据权利要求2所述的自保温混凝土砌块,其特征在于,所述步骤二中采用中速搅 拌,搅拌速度为l〇〇_150r/min;所述步骤三中搅拌采用高速搅拌,搅拌速度为150-200r/ min〇
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