CN108238743A - 路面系统用多层透水混凝土 - Google Patents

路面系统用多层透水混凝土 Download PDF

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CN108238743A
CN108238743A CN201611216585.6A CN201611216585A CN108238743A CN 108238743 A CN108238743 A CN 108238743A CN 201611216585 A CN201611216585 A CN 201611216585A CN 108238743 A CN108238743 A CN 108238743A
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concrete
water
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董爱平
赵岩
张崇凤
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Dalian University of Technology
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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
    • 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
    • C04B28/001Compositions 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 unburned clay
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284Materials permeable to liquids
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Dispersion Chemistry (AREA)
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  • Laminated Bodies (AREA)

Abstract

本发明涉及一种路面系统用多层透水混凝土,属于地面建筑材料领域。所述混凝土由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比1:3~5:1.4~2组成;所述纤维层为至少一层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为4~4.5:0.26~0.32:1组成;所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。该路面系统混凝土为多层结构,该多层结构既保证了路面透水混凝土的强度要求又保证了其对透水性的要求。

Description

路面系统用多层透水混凝土
技术领域
本发明涉及一种路面系统用多层透水混凝土,属于地面建筑材料领域。
背景技术
透水混凝土铺设于地面上时能让雨水流入地下,有效补充地下水,并能有效的消除地面上的油类化合物等对环境污染的危害;同时,是保护地下水、维护生态平衡、能缓解城市热岛效应的优良的铺装材料;其有利于人类生存环境的良性发展及城市雨水管理与水污染防治等工作上,具有特殊的重要意义。透水混凝土在满足强度要求的同时,还需要保持一定的贯通孔隙来满足透水性的要求。
然而,实际上,透水混凝土的透水率和强度可以说是此消彼长的两个性能指标,这主要是由于渗透混凝土的透水性源于大颗粒骨料在养护时形成的多孔道结构,而孔道越大,孔隙率越大,则会影响混凝土的抗压强度。为解决上述矛盾,科研工作者做了大量的工作。
发明内容
本发明的目的是提供一种路面系统用多层透水混凝土,该路面系统混凝土为多层结构,该多层结构既保证了路面透水混凝土的强度要求又保证了其对透水性的要求。
路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,
所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.1~2.8:1:0.4~0.8组成;
所述纤维层为至少一层玻璃纤维布;
所述过渡层由9.5~16mm的卵石、水泥和水按质量比为2.8~4.0:1:0.26~0.3组成;
所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。
进一步地,所述大骨料透水层混凝土由水泥、骨料、水、掺和剂组成,其中,
所述水泥性能参数如下:初凝时间90~120min,终凝时间180~220min;7d抗压强度为35~45MPa,7d抗折强度为5.5~8MPa;
所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;
所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1~1.3构成,其中,
A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3
B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3
所述掺和剂为粉煤灰和矿渣微粉按质量比为1:0.75~1.5组成的混合物,
所述混凝土的水灰比为0.25~0.35,骨灰比为4.0~5.0。
进一步地,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.5:1:0.56组成。
进一步地,所述纤维层为至少4层玻璃纤维布。
进一步地,所述过渡层由9.5~16mm的卵石、水泥和水按质量比为3.3:1:0.28组成。
进一步地,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.3~2.65:1:0.45~0.7组成。
进一步地,所述细骨料用量为水泥的46%~55%。
进一步地,:所述掺和料用量为水泥的8~15%。
本发明一个优选的技术方案为:
路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.1~2.8:1:0.4~0.8组成;所述纤维层为至少一层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为2.8~4.0:1:0.26~0.3组成;
所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。
所述大骨料透水层混凝土由水泥、骨料、水、掺和剂组成,其中,所述水泥性能参数如下:初凝时间90~120min,终凝时间180~220min;7d抗压强度为35~45MPa,7d抗折强度为5.5~8MPa;所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1~1.3构成,其中,A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3;所述掺和剂为粉煤灰和矿渣微粉按质量比为1:0.75~1.5组成的混合物,所述混凝土的水灰比为0.25~0.35,骨灰比为4.0~5.0。所述细骨料用量为水泥的46%~55%。所述细骨料用量为水泥的46%~55%。
本发明的有益效果为:本发明提供的路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比1:3~5:1.4~2组成;所述纤维层为至少一层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为4~4.5:0.26~0.32:1组成;所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。该路面系统混凝土为多层结构,该多层结构既保证了路面透水混凝土的强度要求又保证了其对透水性的要求。
具体实施方式
下述非限制性实施例可以使本领域的普通技术人员更全面地理解本发明,但不以任何方式限制本发明。
下述实施例中所述试验方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均可从商业途径获得。
实施例1
路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.5:1:0.56组成。所述纤维层为4层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为3.3:1:0.28组成。透水混凝土的透水系数为1.29mm/s,7d抗压强度为29.8MPa,7d抗折强度为4.9MPa。
所述透水混凝土由水泥、骨料、水、掺和剂组成,其中,所述水泥性能参数如下:初凝时间90min,终凝时间180min;7d抗压强度为38.5MPa,7d抗折强度为6.2MPa;所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1.1构成,其中,A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3;所述掺和剂为粉煤灰和矿渣微粉按质量比为1:1.25组成的混合物,所述混凝土的水灰比为0.28,骨灰比为4.26,所述掺和料用量为水泥的10%。所述细骨料用量为水泥的46%。
上述透水混凝土的制备方法,是将水泥、粗骨料、50%的水和掺和剂于搅拌机中搅拌30s后加入细骨料和20%的水,再搅拌25s;最后加入余量水,搅拌60s,既得。
实施例2
路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.5:1:0.56组成。所述纤维层为4层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为3.3:1:0.28组成。所述透水混凝土的透水系数为1.22mm/s,7d抗压强度为30.2MPa,7d抗折强度为5.23MPa。
所述透水混凝土由水泥、骨料、水、掺和剂组成,其中,所述水泥性能参数如下:初凝时间100min,终凝时间200min;7d抗压强度为41.3MPa,7d抗折强度为7.8MPa;所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1.15构成,其中,A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3;B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3;所述掺和剂为粉煤灰和矿渣微粉按质量比为1:1.25组成的混合物,所述混凝土的水灰比为0.3,骨灰比为4.44,所述掺和料用量为水泥的10%。所述细骨料用量为水泥的46%。
上述透水混凝土的制备方法,是将水泥、粗骨料、50%的水和掺和剂于搅拌机中搅拌30s后加入细骨料和20%的水,再搅拌25s;最后加入余量水,搅拌60s,既得。
实施例3
路面系统用多层透水混凝土,由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.1:1:0.66组成;所述纤维层为至少一层玻璃纤维布;所述过渡层由9.5~16mm的卵石、水泥和水按质量比为2.8~4.0:1:0.26~0.3组成;
所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。所述透水混凝土由水泥、骨料、水、掺和剂组成,其中,所述水泥性能参数如下:初凝时间100min,终凝时间200min;7d抗压强度为41.3MPa,7d抗折强度为7.8MPa;所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1.15构成,其中,A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3;B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3;所述掺和剂为粉煤灰和矿渣微粉按质量比为1:1.25组成的混合物,所述混凝土的水灰比为0.3,骨灰比为4.44,所述掺和料用量为水泥的10%。所述细骨料用量为水泥的46%。
上述透水混凝土的制备方法,是将水泥、粗骨料、50%的水和掺和剂于搅拌机中搅拌30s后加入细骨料和20%的水,再搅拌25s;最后加入余量水,搅拌60s,既得。

Claims (8)

1.路面系统用多层透水混凝土,其特征在于:由下至上由碎石层、过渡层、纤维层、过渡层和透水层混凝土构成,其中,
所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.1~2.8:1:0.4~0.8组成;
所述纤维层为至少一层玻璃纤维布;
所述过渡层由9.5~16mm的卵石、水泥和水按质量比为2.8~4.0:1:0.26~0.3组成;
所述大骨料透水层混凝土的透水系数为1.22mm/s~1.29mm/s,7d抗压强度为29.8~30.2MPa,7d抗折强度为4.9~5.23MPa。
2.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述大骨料透水层混凝土由水泥、骨料、水、掺和剂组成,其中,
所述水泥性能参数如下:初凝时间90~120min,终凝时间180~220min;7d抗压强度为35~45MPa,7d抗折强度为5.5~8MPa;
所述骨料由细骨料和粗骨料组成,其中,所述细骨料为粒径为2~5mm的石子;
所述粗骨料为废弃混凝土碎石,其由A类和B类碎石按质量比为1:1~1.3构成,其中,
A类碎石的粒径为2.85~8.85mm,吸水率2.9%,堆积密度1387kg/m3,表观密度2990kg/m3
B类碎石的粒径为8.85~12.5mm,吸水率2.65%,堆积密度1411kg/m3,表观密度2931kg/m3
所述掺和剂为粉煤灰和矿渣微粉按质量比为1:0.75~1.5组成的混合物,
所述混凝土的水灰比为0.25~0.35,骨灰比为4.0~5.0。
3.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.5:1:0.56组成。
4.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述纤维层为至少4层玻璃纤维布。
5.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述过渡层由9.5~16mm的卵石、水泥和水按质量比为3.3:1:0.28组成。
6.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述碎石层由粒径为10~20mm的骨料、粘土和水按质量比2.3~2.65:1:0.45~0.7组成。
7.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述细骨料用量为水泥的46%~55%。
8.根据权利要求1所述的路面系统用多层透水混凝土,其特征在于:所述掺和料用量为水泥的8~15%。
CN201611216585.6A 2016-12-26 2016-12-26 路面系统用多层透水混凝土 Pending CN108238743A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963847A (zh) * 2018-01-25 2018-04-27 广西亿品投资有限公司 高强度砌砖及其制造方法
CN109371775A (zh) * 2018-11-23 2019-02-22 西南交通大学 道路行车道透水路面结构及其铺设方法
CN115959859A (zh) * 2022-11-30 2023-04-14 琼海鑫海混凝土有限公司 一种露骨料混凝土及其施工方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963847A (zh) * 2018-01-25 2018-04-27 广西亿品投资有限公司 高强度砌砖及其制造方法
CN109371775A (zh) * 2018-11-23 2019-02-22 西南交通大学 道路行车道透水路面结构及其铺设方法
CN109371775B (zh) * 2018-11-23 2023-12-12 西南交通大学 道路行车道透水路面结构及其铺设方法
CN115959859A (zh) * 2022-11-30 2023-04-14 琼海鑫海混凝土有限公司 一种露骨料混凝土及其施工方法

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