CN102190477A - 复合改性菱镁砼配方 - Google Patents

复合改性菱镁砼配方 Download PDF

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CN102190477A
CN102190477A CN2010101209285A CN201010120928A CN102190477A CN 102190477 A CN102190477 A CN 102190477A CN 2010101209285 A CN2010101209285 A CN 2010101209285A CN 201010120928 A CN201010120928 A CN 201010120928A CN 102190477 A CN102190477 A CN 102190477A
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composite modified
magnesite concrete
concrete composition
magnesium
modified magnesite
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吴长峰
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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
    • 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
    • C04B20/10—Coating or impregnating
    • 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
    • C04B28/30—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 containing magnesium cements or similar cements
    • C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
    • 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 & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

本发明涉及一种复合改性菱镁砼配方。尤适用于矿井下巷道棚护、挡护，建筑领域和道桥涵洞棚护，以及市政用井盖、盖板等菱镁制品的生产。这种复合改性菱镁砼配方的原料为氧化镁100份，氯化镁水溶液40-65份。辅料为硫酸镁1.5-4份，二氧化硅0.5-3份，硫酸铝0.3-0.8份，硫酸亚铁0.3-0.8份，磷酸0.1——0.6份，增韧剂1-3.5份，防水剂1-3.5份，硅丙乳液0.3-0.8份，玻纤短丝0.2-0.7份，钢纤维1-3.5份。填充料为粉煤灰50-70份。本发明的目的是提供一种能够综合克服菱镁制品普遍存在的吸潮返卤，翘曲变形，龟裂老化，硬脆易折等缺陷，使之具有较高的韧性，更大的干湿强度，较稳定的制品形状和防水性能及成本优势，用于菱镁制品生产的复合改性菱镁砼配方。

Description

复合改性菱镁砼配方
本发明涉及一种复合改性菱镁砼配方，尤适用于矿井下巷道棚护、挡护，建筑领域和道桥涵洞棚护，以及市政用井盖、盖板等菱镁制品生产。
菱镁制品在具有阻燃、耐磨、隔热、保温、硬度高等优点的同时，也普遍存在易吸潮返卤，翘曲变形，龟裂老化，硬脆易折四大缺陷。CN1034912、CN1054237、CN1055726、CN1098394A、CN1830883A等专利针对以上四大缺陷做出了不同程度和侧重点的改进，但仍存在一些不尽人意之处。如何综合克服菱镁制品普遍存在的四大缺陷，仍然是菱镁胶凝材料研究和改进的重要课题。
本发明的目的，是提供一种能综合克服菱镁制品普遍存在的四大缺陷，使之具有较高的韧性，更大的干湿强度，较稳定的产品形状和防水性能及成本优势，用于菱镁制品生产的复合改性菱镁砼配方。
本发明按重量计，原料为氧化镁100份，氯化镁水溶液40-65份。辅料为硫酸镁1.5-4份，二氧化硅0.5-3份，硫酸铝0.3-0.8份，硫酸亚铁0.3-0.8份，增韧剂1-3.5份，防水剂1-3.5份，硅丙乳液0.3-0.8份，玻纤短丝0.2-0.7份，钢纤维1-3.5份，磷酸0.1-0.6份。填充料为粉煤灰50-70份。
氧化镁含量大于80％，粒度为120目以上；氯化镁含量43％以上；氯化镁水溶液的波美度为20-24。钢纤维在使用前进行防锈蚀处理。
复合改性菱镁砼配方的六组配比实施例如下：。
(见下页)
Figure GSA00000050379500021
制备料浆时，先将氧化镁与粉煤灰、二氧化硅、玻纤短丝、钢纤维混合搅拌，均匀无结团时，加入已溶解并搅拌均匀的含有硫酸镁、硫酸铝、硫酸亚铁和磷酸的氯化镁水溶液，搅拌3-5分钟后，依次加入增韧剂、硅丙乳液和防水剂，继续搅拌3分钟即可使用。使用液压机械流水生产菱镁制品时，适当减少氯化镁水溶液的加入量；人工生产时，料浆的稠度同水泥砼。

Claims (5)

1.一种复合改性菱镁砼配方，其特征在于：这种菱镁砼配方中的原料为氧化镁100份，氯化镁水溶液40-65份。
2.一种复合改性菱镁砼配方，其特征在于：这种菱镁砼配方中的辅料为硫酸镁1.5-4份，二氧化硅0.5-3份，硫酸铝0.3-0.8份，硫酸亚铁0.3-0.8份，增韧剂1-3.5份，防水剂1-3.5份，硅丙乳液0.3-0.8份，玻纤短丝0.2-0.7份，钢纤维1-3.5份，磷酸0.1-0.6份。
3.一种复合改性菱镁砼配方，其特征在于：这种菱镁砼配方中的填充料为粉煤灰50-70份。
4.根据权利要求1所述的复合改性菱镁砼配方，其特征在于：所述氯化镁水溶液的波美度为20-24。
5.根据权利要求2所述的复合改性菱镁砼配方，其特征在于：所述钢纤维在使用前经过防锈蚀处理。
CN2010101209285A 2010-03-10 2010-03-10 复合改性菱镁砼配方 Pending CN102190477A (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661029A (zh) * 2012-05-29 2012-09-12 贵阳维德环保板材有限公司 厨卫圆弧形支烟道的生产工艺及其排烟气道
CN102661028A (zh) * 2012-05-26 2012-09-12 贵阳维德环保板材有限公司 用于生产厨卫排烟气道系列产品的玻镁板
CN102677871A (zh) * 2012-05-29 2012-09-19 贵阳维德环保板材有限公司 无动力高效排烟气风帽及其生产工艺
CN103130487A (zh) * 2011-11-26 2013-06-05 费雄略 一种格氏反应废水的回收处理方法
EP3094606A4 (en) * 2014-01-17 2017-10-04 Luxe Crete, LLC Cement compositions, structures, and methods of use

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103130487A (zh) * 2011-11-26 2013-06-05 费雄略 一种格氏反应废水的回收处理方法
CN102661028A (zh) * 2012-05-26 2012-09-12 贵阳维德环保板材有限公司 用于生产厨卫排烟气道系列产品的玻镁板
CN102661029A (zh) * 2012-05-29 2012-09-12 贵阳维德环保板材有限公司 厨卫圆弧形支烟道的生产工艺及其排烟气道
CN102677871A (zh) * 2012-05-29 2012-09-19 贵阳维德环保板材有限公司 无动力高效排烟气风帽及其生产工艺
CN102677871B (zh) * 2012-05-29 2014-07-23 贵阳维德环保板材有限公司 无动力高效排烟气风帽的生产工艺
EP3094606A4 (en) * 2014-01-17 2017-10-04 Luxe Crete, LLC Cement compositions, structures, and methods of use

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Application publication date: 20110921