CN1260333A - 管桩水泥的制作方法 - Google Patents

管桩水泥的制作方法 Download PDF

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Publication number
CN1260333A
CN1260333A CN98122869A CN98122869A CN1260333A CN 1260333 A CN1260333 A CN 1260333A CN 98122869 A CN98122869 A CN 98122869A CN 98122869 A CN98122869 A CN 98122869A CN 1260333 A CN1260333 A CN 1260333A
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cement
siliceous material
tubular pile
high siliceous
making method
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CN1098225C (zh
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蒋元海
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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 hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • C04B7/48Clinker treatment
    • C04B7/52Grinding ; After-treatment of ground cement
    • C04B7/527Grinding ; After-treatment of ground cement obtaining cements characterised by fineness, e.g. by multi-modal particle size distribution
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use 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)
  • Piles And Underground Anchors (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

本发明涉及一种管桩水泥的制作方法,其配料包括高硅质材料25%~45%;石膏1%~8%;硅酸盐水泥熟料42%~79%;以上配料比为重量百分比,其中高硅质材料要求二氧化硅含量大于85%,将上述的配料在水泥磨中混磨至细度为比表面积大于每公斤300平方米时即可确定这种水泥已经合成。它具有强度高、成本低的优点。

Description

管桩水泥的制作方法
本发明涉及一种水泥的制作方法。
目前的管桩生产一般使用硅酸盐水泥或普通硅酸盐水泥,用这二种水泥配制的混凝土其早强性能较好,但由于这二种水泥中的主要化学元素钙和硅的比值(C/S)较大,一般的c/s为2~3,在管桩生产时,经压蒸养护后,混凝土的强度并不很高,在混凝土的微观结构中仍大量分布Ca(OH)2,混凝土的强度没有得到发挥。水泥混凝土在压蒸养护时,水泥化学成分除通常进行的水泥水化反应外,还进行大量的水热合成反应,形成晶体强度较高的托贝莫来石,这种物质的C/S比接近等于1,其强度较其它水化产物的强度均要高。由于硅酸盐水泥、普通硅酸盐水泥中的钙、硅比较大,因此经水热合成反应后生成的托贝莫来石矿物的数量就少,强度很低的Ca(OH)2却大量形成,混凝土强度就偏低。
本发明的目的在于提供一种强度高的管桩水泥的制作方法。
本发明的技术方案是:一种管桩水泥的制作方法,其配料包括
高硅质材料        25%~45%;
石膏              1%~8%;
硅酸盐水泥熟料    42%~79%;
以上配料比为重量百分比,其中高硅质材料要求二氧化硅含量大于85%,将上述的配料在水泥磨中混磨至细度为比表面积大于每公斤300平方米时即可确定这种水泥已经合成。
本发明与现有技术相比具有下列优点:
通过增加高硅质材料,使水泥中的钙、硅比值(C/S)接近1,可满足最佳的水热合成条件,所形成的晶体强度较高的托贝莫来石含量高,该水泥在高强度混凝土管桩的生产时,所配制的混凝土经压蒸养护后,混凝土的强度得到了很大的提高,并且由于高硅质材料价格低,因此所生产的水泥的成本也低。
实施例:一种管桩水泥的制作方法,其配料包括
高硅质材料        25%~45%;
石膏              1%~8%;
硅酸盐水泥熟料    42%~79%;
以上配料比为重量百分比,其中高硅质材料要求二氧化硅含量大于85%,将上述的配料在水泥磨中混磨,在水泥粉磨时允许掺有助磨剂,混磨至细度为比表面积大于每公斤300平方米时即可确定这种水泥已经合成。所述的配料中可以增加石灰石,其所占的配比为0%至5%。所述的高硅质材料选用常见的洁净的建筑砂、石英砂等。所述的高硅质材料中可以部分用粉煤灰替代,所述的粉煤灰在高硅质材料中所占的重量比低于45%。
具体实施例:其配料包括
洁净建筑砂      25%;
石膏            4%;
硅酸盐水泥熟料  58%;
石灰石          3%;
粉煤灰          10%;
以上配料比为重量百分比,将上述的五种配料在水泥磨中混磨至细度为比表面积为每公斤420平方米时即可确定这种水泥已经合成。
用这种水泥生产水泥管桩时,混凝土经压蒸养护,其强度发展与采用其它水泥生产时的对比情况见下表所示:
                  砼脱模强度  砼压蒸强度  参考价格  每立方米砼中水
                  MPa         MPa         元/吨    泥成本(元)525号PII硅酸盐水泥    58.6        89.3        420      222.6525号普通硅酸盐水泥   54.5        87.4        400      212.0本发明                42.8        103.2       280      148.4注:1.混凝土配合比为:水泥∶砂∶碎石∶水=1∶1.18∶2.22∶0.30;
2.高效减水剂为:mighty-100,掺量为水泥用量的0.5%;
3.压蒸养护最高温度、压力、时间分别为183℃、10个大气压、4小时。
从表中可见,用该水泥在预应力高强度混凝土管桩生产中所配制的混凝土强度较使用其它硅酸盐水泥或普通硅酸盐水泥要高得多,管桩的使用性能大大提高,单位承载力成本降低很多,其成本也降低很多。

Claims (4)

1.一种管桩水泥的制作方法,其配料包括
高硅质材料        25%~45%;
石膏              1%~8%;
硅酸盐水泥熟料    42%~79%;
以上配料比为重量百分比,其中高硅质材料要求二氧化硅含量大于85%,将上述的配料在水泥磨中混磨至细度为比表面积大于每公斤300平方米时即可确定这种水泥已经合成。
2.根据权利要求1所述的管桩水泥的制作方法,其特征在于:所述的配料中还有石灰石,其所占的配比低于5%。
3.根据权利要求1所述的管桩水泥的制作方法,其特征在于:所述的高硅质材料为洁净的建筑砂、石英砂。
4.根据权利要求1所述的管桩水泥的制作方法,其特征在于:所述的高硅质材料可以部分由粉煤灰代替,所述的粉煤灰的代替量低于高硅质材料总重量的45%。
CN98122869A 1998-12-21 1998-12-21 管桩水泥的制作方法 Expired - Fee Related CN1098225C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261782A (zh) * 2014-09-18 2015-01-07 安徽芜湖飞琪水泥制品有限公司 管桩水泥及其制备方法和水泥管桩及其制备方法
CN109503000A (zh) * 2018-11-09 2019-03-22 高正春 一种环保水泥及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1023109C (zh) * 1987-01-05 1993-12-15 上海水泥厂 彩色矿渣硅酸盐水泥及其制备方法
CN1060831A (zh) * 1990-10-18 1992-05-06 抚顺水泥厂 低热粉煤灰硅酸盐水泥
CN1023211C (zh) * 1990-12-14 1993-12-22 山东省博兴县水泥厂 闪长岩混合材水泥的制备方法
CN1095049A (zh) * 1993-05-11 1994-11-16 河南省工业废渣综合利用研究所 多功能粉煤灰硅酸盐水泥
CN1049199C (zh) * 1995-08-16 2000-02-09 曹龙 一种高强多功能水泥的生产方法
CN1061951C (zh) * 1997-01-08 2001-02-14 中国建筑材料科学研究院水泥所阳泉联营特种水泥厂 超高强快硬硫铝酸盐水泥

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261782A (zh) * 2014-09-18 2015-01-07 安徽芜湖飞琪水泥制品有限公司 管桩水泥及其制备方法和水泥管桩及其制备方法
CN104261782B (zh) * 2014-09-18 2016-08-24 安徽芜湖飞琪水泥制品有限公司 管桩材料及其制备方法和水泥管桩及其制备方法
CN109503000A (zh) * 2018-11-09 2019-03-22 高正春 一种环保水泥及其制备方法

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