CN112125593A - 抗渗防裂混凝土及其制备方法 - Google Patents
抗渗防裂混凝土及其制备方法 Download PDFInfo
- Publication number
- CN112125593A CN112125593A CN202011138970.XA CN202011138970A CN112125593A CN 112125593 A CN112125593 A CN 112125593A CN 202011138970 A CN202011138970 A CN 202011138970A CN 112125593 A CN112125593 A CN 112125593A
- Authority
- CN
- China
- Prior art keywords
- parts
- stone
- concrete
- particle size
- cracking
- 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.)
- Withdrawn
Links
Images
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
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本发明公开了抗渗防裂混凝土及其制备方法,所述抗渗防裂混凝土由以下重量配比的各种组分配制而成:研磨后石料790~845份、经煅烧研磨后的粉煤灰110~150份、水泥310~330份、酚醛纤维29~31份、聚偏氯乙烯纤维28~31份、水89~101份和固态高效减水剂5.85~6.05份。本发明制备方法中运用经煅烧研磨后的粉煤灰与研磨后石料粉末混合煅烧后,形成集陶瓷、玻璃及研磨后石料于一体的混合材料,粉碎为不同粒径的砂研磨后石料混合材料作为混凝土骨架,进一步提高混凝土骨架的抗压性能,使混泥土的抗渗防裂能力显著提高。
Description
技术领域
本发明涉及混凝土制造领域,具体是抗渗防裂混凝土及其制备方法。
背景技术
混凝土是一种脆性材料,其抗拉强度低、极限拉应变小,当其在凝结硬化过程中,由于干燥收缩、化学收缩、碳化收缩等原因引起体积收缩而产生的内应力超过其本身的抗拉强度时,混凝土必然开裂,其结构的抗渗性遭到破坏,因此,需要对混凝土进行相应的抗渗防裂保护措施。
发明内容
为此,本发明提出抗渗防裂混凝土及其制备方法以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供以下技术方案:抗渗防裂混凝土,其特征在于,所述抗渗防裂混凝土由以下重量配比的各种组分配制而成:研磨后石料790~845份、经煅烧研磨后的粉煤灰110~150份、水泥310~330份、酚醛纤维29~31份、聚偏氯乙烯纤维28~31份、水89~101份和固态高效减水剂5.85~6.05份。
具体的,更进一步的,所述固态高效减水剂由羰基焦醛高效减水剂7.1~7.6份、偏铝酸钠类速凝剂6.3~6.5份、柠檬酸-壳聚糖粘合剂7.15~7.4份和硅藻土粉8.9~9.2份组成。
具体的,更进一步的,所述的柠檬酸-壳聚糖粘合剂制备方法:将柠檬酸按照质量比1:3的比例溶解于水中,搅拌至形成均一溶液,然后加入柠檬酸质量40%的壳聚糖,搅拌至壳聚糖完全溶解,并在8~12℃密封保存。
具体的,更进一步的,所述的聚偏氯乙烯纤维长度为9~11mm,酚醛纤维长度为5~6mm。
抗渗防裂混凝土的制备方法,其制备工艺步骤如下:
(1)粉磨:将研磨后石料粉碎至粒径小于32.05mm,进行粉磨处理,粉磨至粒度为0.08~0.12mm,放入水中,浸泡245-250小时,然后取出烘干,加入经煅烧研磨后的粉煤灰,混合均匀,得混合粉末;
(2)煅烧:将步骤(1)的混合粉末在1200~1280℃下煅烧3.5h,冷却后研磨,至粒径为小于26mm,其中,粒度小于6mm颗粒占总质量35%,粒径12~29mm颗粒占总质量50%,即为煅烧料,备用;
(3)混合:向步骤(2)煅烧料中按比例加入水泥、酚醛纤维、聚偏氯乙烯纤维、水和固态高效减水剂,搅拌均匀,即为抗渗防裂混凝土。
与现有技术相比,本发明的有益效果是:本发明制备方法中运用经煅烧研磨后的粉煤灰与研磨后石料粉末混合煅烧后,形成集陶瓷、玻璃及研磨后石料于一体的混合材料,粉碎为不同粒径的砂研磨后石料混合材料作为混凝土骨架,进一步提高混凝土骨架的抗压性能,使混泥土的抗渗防裂能力显著提高。
附图说明
图1为抗渗防裂混凝土及其制备方法的流程示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例:请参阅附图1,本发明提供一种技术方案:抗渗防裂混凝土,所述抗渗防裂混凝土由以下重量配比的各种组分配制而成:研磨后石料790~845份、经煅烧研磨后的粉煤灰110~150份、水泥310~330份、酚醛纤维29~31份、聚偏氯乙烯纤维28~31份、水89~101份和固态高效减水剂5.85~6.05份。
本实施例中,所述固态高效减水剂由羰基焦醛高效减水剂7.1~7.6份、偏铝酸钠类速凝剂6.3~6.5份、柠檬酸-壳聚糖粘合剂7.15~7.4份和硅藻土粉8.9~9.2份组成。
本实施例中,所述的柠檬酸-壳聚糖粘合剂制备方法:将柠檬酸按照质量比1:3的比例溶解于水中,搅拌至形成均一溶液,然后加入柠檬酸质量40%的壳聚糖,搅拌至壳聚糖完全溶解,并在8~12℃密封保存。
本实施例中,所述的聚偏氯乙烯纤维长度为9~11mm,酚醛纤维长度为5~6mm。
抗渗防裂混凝土的制备方法,其制备工艺步骤如下:
(1)粉磨:将研磨后石料粉碎至粒径小于32.05mm,进行粉磨处理,粉磨至粒度为0.08~0.12mm,放入水中,浸泡245-250小时,然后取出烘干,加入经煅烧研磨后的粉煤灰,混合均匀,得混合粉末;
(2)煅烧:将步骤(1)的混合粉末在1200~1280℃下煅烧3.5h,冷却后研磨,至粒径为小于26mm,其中,粒度小于6mm颗粒占总质量35%,粒径12~29mm颗粒占总质量50%,即为煅烧料,备用;
(3)混合:向步骤(2)煅烧料中按比例加入水泥、酚醛纤维、聚偏氯乙烯纤维、水和固态高效减水剂,搅拌均匀,即为抗渗防裂混凝土。
根据抗渗防裂混凝土的实验数据得出:
a.掺量:抗裂防裂混凝土掺胶凝材料8~12%;
b.限制膨胀率:水中7d≥0.025%,水中28d≤0.01%;
c.抗压强度不低于基准混凝土;
d.坍落度损失与基准混凝土基本相同,凝结时间略短;
e.与化学固态高效减水剂适应性好,碱含量低,不会引起碱集料反应;
f.耐久性能:抗渗等级>P20,抗冻等级>F150;不含氯离子,对钢筋无锈蚀作用,抗化学侵蚀、耐磨性、抗碳化能力均优于普通混凝土,无毒、无味、对水质无影响。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (5)
1.抗渗防裂混凝土,其特征在于,所述抗渗防裂混凝土由以下重量配比的各种组分配制而成:研磨后石料790~845份、经煅烧研磨后的粉煤灰110~150份、水泥310~330份、酚醛纤维29~31份、聚偏氯乙烯纤维28~31份、水89~101份和固态高效减水剂5.85~6.05份。
2.根据权利要求1所述的抗渗防裂混凝土,其特征在于:所述固态高效减水剂由羰基焦醛高效减水剂7.1~7.6份、偏铝酸钠类速凝剂6.3~6.5份、柠檬酸-壳聚糖粘合剂7.15~7.4份和硅藻土粉8.9~9.2份组成。
3.根据权利要求2所述的抗渗防裂混凝土,其特征在于:所述的柠檬酸-壳聚糖粘合剂制备方法:将柠檬酸按照质量比1:3的比例溶解于水中,搅拌至形成均一溶液,然后加入柠檬酸质量40%的壳聚糖,搅拌至壳聚糖完全溶解,并在8~12℃密封保存。
4.根据权利要求1所述的抗渗防裂混凝土,其特征在于:所述的聚偏氯乙烯纤维长度为9~11mm,酚醛纤维长度为5~6mm。
5.抗渗防裂混凝土的制备方法,其制备工艺步骤如下:
(1)粉磨:将研磨后石料粉碎至粒径小于32.05mm,进行粉磨处理,粉磨至粒度为0.08~0.12mm,放入水中,浸泡245-250小时,然后取出烘干,加入经煅烧研磨后的粉煤灰,混合均匀,得混合粉末;
(2)煅烧:将步骤(1)的混合粉末在1200~1280℃下煅烧3.5h,冷却后研磨,至粒径为小于26mm,其中,粒度小于6mm颗粒占总质量35%,粒径12~29mm颗粒占总质量50%,即为煅烧料,备用;
(3)混合:向步骤(2)煅烧料中按比例加入水泥、酚醛纤维、聚偏氯乙烯纤维、水和固态高效减水剂,搅拌均匀,即为抗渗防裂混凝土。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011138970.XA CN112125593A (zh) | 2020-10-22 | 2020-10-22 | 抗渗防裂混凝土及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011138970.XA CN112125593A (zh) | 2020-10-22 | 2020-10-22 | 抗渗防裂混凝土及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112125593A true CN112125593A (zh) | 2020-12-25 |
Family
ID=73854241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011138970.XA Withdrawn CN112125593A (zh) | 2020-10-22 | 2020-10-22 | 抗渗防裂混凝土及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112125593A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105060786A (zh) * | 2015-08-06 | 2015-11-18 | 济南鸿旺混凝土有限公司 | 一种长石废料混凝土及其制备方法 |
CN107200519A (zh) * | 2017-06-26 | 2017-09-26 | 浙江慧峰建材科技有限公司 | 一种混凝土的超细复合料及其生产装置 |
CN108341612A (zh) * | 2017-03-27 | 2018-07-31 | 温州创新新材料股份有限公司 | 一种抗裂防渗混凝土及其制备方法 |
CN109133746A (zh) * | 2018-09-04 | 2019-01-04 | 徐州金盟新型建材有限公司 | 一种建筑工程用高强度混凝土 |
-
2020
- 2020-10-22 CN CN202011138970.XA patent/CN112125593A/zh not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105060786A (zh) * | 2015-08-06 | 2015-11-18 | 济南鸿旺混凝土有限公司 | 一种长石废料混凝土及其制备方法 |
CN108341612A (zh) * | 2017-03-27 | 2018-07-31 | 温州创新新材料股份有限公司 | 一种抗裂防渗混凝土及其制备方法 |
CN107200519A (zh) * | 2017-06-26 | 2017-09-26 | 浙江慧峰建材科技有限公司 | 一种混凝土的超细复合料及其生产装置 |
CN109133746A (zh) * | 2018-09-04 | 2019-01-04 | 徐州金盟新型建材有限公司 | 一种建筑工程用高强度混凝土 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111233364B (zh) | 一种复合矿物掺合料及其制备方法和含所述复合矿物掺合料的人工砂混凝土材料 | |
CN105000851B (zh) | 一种以尾矿为骨料的防冻混凝土的制备方法 | |
CN104016617B (zh) | 一种混凝土强效剂及其制备方法 | |
CN110330282B (zh) | 复合胶凝材料及其制备方法和应用 | |
CN112279578B (zh) | 一种建筑用阻裂增强型混凝土及其制备方法 | |
CN113896466B (zh) | 一种基于碳酸化反应的赤泥固结方法及获得的碳化制品 | |
CN112250355A (zh) | 一种碱激发粉煤灰/矿渣再生混凝土及其制备方法 | |
CN103819114A (zh) | 喷射混凝土用低碱聚合物高效液态速凝剂的制备方法 | |
CN115806407B (zh) | 一种加气砖用氧化钙填充剂及其生产工艺 | |
CN104478402A (zh) | 一种废料烧结砖及其制备方法 | |
CN106810289A (zh) | 高抗压强度烧结多孔砖及其制备方法 | |
CN111302741A (zh) | 一种利用铅锌渣制备的生态胶凝材料及其制备方法 | |
CN103482940A (zh) | 一种高抗裂混凝土 | |
CN113880506A (zh) | 一种磷酸激发富镁镍渣地质聚合物胶凝材料及制备方法 | |
CN103467037A (zh) | 一种活性粉末水泥基复合材料及其制备方法 | |
CN110451854B (zh) | 一种用于河道的轻质防水混凝土砌块及其制备方法 | |
CN109970405A (zh) | 一种混凝土及其制备方法 | |
CN108529925B (zh) | 一种盾构管片混凝土抗裂早强剂及其使用方法 | |
CN112551957B (zh) | 一种氧化石墨烯增强碳化硬化复合材料及其制备方法 | |
CN109133883A (zh) | 一种耐火浇注料 | |
CN112341116A (zh) | 一种脱硫石膏超硫水泥混凝土及其制备方法 | |
CN108191346A (zh) | 一种装配式建筑套筒灌浆料 | |
CN112125593A (zh) | 抗渗防裂混凝土及其制备方法 | |
CN109250929B (zh) | 一种g85级钢铁渣粉及其制备方法 | |
CN107879726B (zh) | 一种粉煤灰烧结砖的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201225 |