CN114477878A - 一种纤维混凝土 - Google Patents
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 17
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- 239000003112 inhibitor Substances 0.000 claims abstract description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
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- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/26—Wood, e.g. sawdust, wood shavings
- C04B18/265—Wood, e.g. sawdust, wood shavings from specific species, e.g. birch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
本发明涉及一种纤维混凝土,具体由以下重量份的原料组成:水泥255份、细河砂600份、混凝土再生骨料740份、粉煤灰3.5份、水145份、玄武岩纤维6份、轻硅纤维阻裂增强剂5.5份、钢纤维7份、竹纤维11.5份、阻锈剂4份。本发明的优点在于:可以使混凝土体积变形明显减小,有效提高混凝土的抗拉、抗折和抗裂性能,同时提高混凝土的韧性、抗压强度,延长了使用年限。
Description
技术领域
本发明涉及混凝土技术领域,具体是指一种纤维混凝土。
背景技术
纤维混凝土复合材料混合理论把纤维混凝土简化为纤维为一相,混凝土基体为另一相的多种材料结合或混合之后所构成的材料整体是一个多相系统,其性能乃是各个相性能的综合。
通常混凝土材料结构不是匀质的,所以当受到拉力作用时,混凝土结构界面各点受力不均匀,存在大量不规则的应力集中点。这些应力集中点的应力首先达到抗拉强度极限,引起局部塑性变形如果混凝上没有配筋约束,在应力集中点就会出现裂缝。但是,在混凝土中的添加大量纤维,可约束混凝土的塑性变形,从而分散混凝土的应力集中,推迟或避免混凝土裂缝的出现。这样,纤维混凝土可以获得比普通混凝土更好的力学性能。现有的纤维复合混凝土的机械强度还有待提高。
发明内容
本发明要解决的技术问题是,克服现有技术中的不足,提供一种原料简单易得、生产成本低、机构强度高的一种纤维混凝土。
为解决上述技术问题,本发明提供的技术方案为:一种纤维混凝土,由以下重量份的原料组成:水泥200-300份、细河砂500-700份、混凝土再生骨料600-900份、粉煤灰3-5份、水100-200份、玄武岩纤维3-8份、轻硅纤维阻裂增强剂5-7份,钢纤维5-9份、竹纤维10-13份、阻锈剂3-5份。
具体由以下重量份的原料组成:水泥255份、细河砂600份、混凝土再生骨料740份、粉煤灰3.5份、水145份、玄武岩纤维6份、轻硅纤维阻裂增强剂5.5份、钢纤维7份、竹纤维11.5份、阻锈剂4份。
作为改进,所述玄武岩纤维、钢纤维、竹纤维的长度均为3-20mm,直径均为0.12mm-0.17mm。
作为改进,所述细河砂的粒径为1-2.5mm。
作为改进,所述混凝土再生骨料的的粒径为10-20mm。
所述的一种纤维混凝土,包括以下步骤制得:
(1)将先将混凝土再生骨料740份、水泥255份、细河砂600份、水145份放入到搅拌机中进行搅拌,搅拌时间5-7分钟;
(2)将粉煤灰3.5份、玄武岩纤维6份、钢纤维7份、竹纤维11.5份加入到步骤(1)混合好的混凝土内进行搅拌,搅拌时间3-5分钟;
(3)将轻硅纤维阻裂增强剂5.5份、阻锈剂4份加入到步骤(2)混合好的混凝土中进行搅拌,搅拌时间2-3分钟;
(4)搅拌完成后的混凝土即可进行浇筑,浇筑场地为潮湿环境,待其硬化后既得到混凝土。
本发明具有如下优点:玄武岩纤维、钢纤维、竹纤维和轻硅纤维阻裂增强剂和阻锈剂配伍使用,可以使混凝土体积变形明显减小,有效提高混凝土的抗拉、抗折和抗裂性能,同时提高混凝土的韧性、抗压强度,延长了使用年限。
具体实施方式
下面对本发明做进一步的详细说明。
一种纤维混凝土,由以下重量份的原料组成:水泥200-300份、细河砂500-700份、混凝土再生骨料600-900份、粉煤灰3-5份、水100-200份、玄武岩纤维3-8份、轻硅纤维阻裂增强剂5-7份,钢纤维5-9份、竹纤维10-13份、阻锈剂3-5份。
具体由以下重量份的原料组成:水泥255份、细河砂600份、混凝土再生骨料740份、粉煤灰3.5份、水145份、玄武岩纤维6份、轻硅纤维阻裂增强剂5.5份、钢纤维7份、竹纤维11.5份、阻锈剂4份。
所述玄武岩纤维、钢纤维、竹纤维的长度均为3-20mm,直径均为0.12mm-0.17mm。
所述细河砂的粒径为1-2.5mm。
所述混凝土再生骨料的的粒径为10-20mm。
一种纤维混凝土由以下步骤制得:
(1)将先将混凝土再生骨料740份、水泥255份、细河砂600份、水145份放入到搅拌机中进行搅拌,搅拌时间5-7分钟;
(2)将粉煤灰3.5份、玄武岩纤维6份、钢纤维7份、竹纤维11.5份加入到步骤(1)混合好的混凝土内进行搅拌,搅拌时间3-5分钟;
(3)将轻硅纤维阻裂增强剂5.5份、阻锈剂4份加入到步骤(2)混合好的混凝土中进行搅拌,搅拌时间2-3分钟;
(4)搅拌完成后的混凝土即可进行浇筑,浇筑场地为潮湿环境,待其硬化后既得到混凝土。
以上对本发明及其实施方式进行了描述,这种描述没有限制性,实际的结构并不局限于此。总而言如果本领域的普通技术人员受其启示,在不脱离本发明创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本发明的保护范围。
Claims (6)
1.一种纤维混凝土,其特征在于,由以下重量份的原料组成:水泥200-300份、细河砂500-700份、混凝土再生骨料600-900份、粉煤灰3-5份、水100-200份、玄武岩纤维3-8份、轻硅纤维阻裂增强剂5-7份,钢纤维5-9份、竹纤维10-13份、阻锈剂3-5份。
2.根据权利要求1所述的一种纤维混凝土,其特征在于:所述玄武岩纤维、钢纤维、竹纤维的长度均为3-20mm,直径均为0.12mm-0.17mm。
3.根据权利要求1所述的一种纤维混凝土,其特征在于:所述细河砂的粒径为1-2.5mm。
4.根据权利要求1所述的一种纤维混凝土,其特征在于:所述混凝土再生骨料的的粒径为10-20mm。
5.根据权利要求1所述一种纤维混凝土,其特征在于,具体由以下重量份的原料组成:水泥255份、细河砂600份、混凝土再生骨料740份、粉煤灰3.5份、水145份、玄武岩纤维6份、轻硅纤维阻裂增强剂5.5份、钢纤维7份、竹纤维11.5份、阻锈剂4份。
6.根据权利要求1所述的一种纤维混凝土的制作方法,其特征在于:包括以下步骤制得:
(1)将先将混凝土再生骨料740份、水泥255份、细河砂600份、水145份放入到搅拌机中进行搅拌,搅拌时间5-7分钟;
(2)将粉煤灰3.5份、玄武岩纤维6份、钢纤维7份、竹纤维11.5份加入到步骤(1)混合好的混凝土内进行搅拌,搅拌时间3-5分钟;
(3)将轻硅纤维阻裂增强剂5.5份、阻锈剂4份加入到步骤(2)混合好的混凝土中进行搅拌,搅拌时间2-3分钟;
(4)搅拌完成后的混凝土即可进行浇筑,浇筑场地为潮湿环境,待其硬化后既得到混凝土。
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CN116396039A (zh) * | 2023-02-14 | 2023-07-07 | 北科蕴宏环保科技(北京)有限公司 | 一种绿色低碳混凝土及其制备方法 |
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CN111689729A (zh) * | 2020-05-20 | 2020-09-22 | 深圳市东大洋建材有限公司 | 一种自密实混凝土及其制备方法 |
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US20130324643A1 (en) * | 2011-02-18 | 2013-12-05 | Yoshihiro Tanaka | Fiber reinforced cement based mixed material |
CN105712680A (zh) * | 2016-02-03 | 2016-06-29 | 陈翔 | 一种纤维复合混凝土 |
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CN116396039A (zh) * | 2023-02-14 | 2023-07-07 | 北科蕴宏环保科技(北京)有限公司 | 一种绿色低碳混凝土及其制备方法 |
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