WO2018107659A1 - Composite water-permeable brick and manufacturing method therefor - Google Patents

Composite water-permeable brick and manufacturing method therefor Download PDF

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WO2018107659A1
WO2018107659A1 PCT/CN2017/085242 CN2017085242W WO2018107659A1 WO 2018107659 A1 WO2018107659 A1 WO 2018107659A1 CN 2017085242 W CN2017085242 W CN 2017085242W WO 2018107659 A1 WO2018107659 A1 WO 2018107659A1
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layer
permeable brick
water
cement
composite permeable
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PCT/CN2017/085242
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French (fr)
Chinese (zh)
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贾屹海
赵凯
王希宏
陈思颖
王川行
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东莞深圳清华大学研究院创新中心
贾屹海
赵凯
王希宏
陈思颖
王川行
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Priority to CN201611156584.7A priority patent/CN106630825B/en
Application filed by 东莞深圳清华大学研究院创新中心, 贾屹海, 赵凯, 王希宏, 陈思颖, 王川行 filed Critical 东莞深圳清华大学研究院创新中心
Publication of WO2018107659A1 publication Critical patent/WO2018107659A1/en

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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
    • 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
    • C04B28/006Compositions 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 mineral polymers, e.g. geopolymers of the Davidovits type
    • 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
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/06Pavings made of prefabricated single units made of units with cement or like binders
    • E01C5/065Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
    • 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
    • C04B2111/00017Aspects relating to the protection of the environment
    • 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
    • C04B2111/0075Uses 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

A composite water-permeable brick and a manufacturing method therefor, comprising a surface layer and a bottom layer. Raw materials for the surface layer comprise a construction aggregate, a surface layer binding agent, an aqueous epoxy resin, an aqueous epoxy curing agent, a cement alkaline inhibitor, a water reducer, and water. Raw materials for the bottom layer comprise a construction aggregate, sand, a cement, a redispersible latex powder, a cement alkaline inhibitor, and a water reducer. With colored sand serving as the construction aggregate for the surface layer, an adequate amount of cement serving as the binding agent for the surface layer and the bottom layer, and combined with a certain additive, effectively solved is the problem of surface layer aging, sand crumbling, color fading, expensiveness, and insecure binding with the bottom layer caused by an organic binding agent, and at the same time, also prevented is the problem of the coloring effects and water permeability of the surface layer being affected by an inorganic binding agent such as a cement.

Description

一种复合透水砖及其制备方法Composite permeable brick and preparation method thereof 技术领域Technical field
本发明属于固体废弃物利用领域,具体涉及一种复合透水砖及其制备方法。The invention belongs to the field of solid waste utilization, and particularly relates to a composite permeable brick and a preparation method thereof.
背景技术Background technique
随着我国经济迅速发展,越来越多的城市地表被混凝土、水泥、沥青、砖、石板等密闭硬化材料所覆盖,阻碍城市路面水分与热量的流通,从而引起城市内涝与热岛效应等问题。因此,为了解决城市路面密闭问题,维持城市生态平衡,同时响应国家“加强海绵城市建设”的政策,透水砖作为一种具有良好透水透气性能的功能性建筑材料,近年来得到专家学者的广泛关注。With the rapid development of China's economy, more and more urban surface is covered by concrete, cement, asphalt, brick, slate and other closed hardening materials, which hinders the circulation of water and heat in urban roads, which causes problems such as urban internal heat and heat island effect. Therefore, in order to solve the problem of urban road closure, maintain the urban ecological balance, and respond to the national policy of “strengthening the construction of sponge cities”, permeable bricks, as a functional building material with good water permeability and permeability, have received extensive attention from experts and scholars in recent years. .
目前,国内市场上的透水砖主要有陶瓷透水砖、树脂粘结砂基透水砖、透水混凝土以及复合透水砖。陶瓷透水砖需要开采大量陶瓷原料,破坏生态环境,且这种透水砖一般需要1000℃以上高温烧结,工艺复杂,成本较高;树脂粘结砂基透水砖,使用树脂作为粘结剂,该类产品价格昂贵,且易老化;透水混凝土是通过骨料间的大孔透水,表面不美观,且很容易被堵塞;复合透水砖一般是由砂基表层和混凝土底层组成,既解决了透水混凝土表面粗糙,易堵塞等问题,同时与砂基透水砖相比也大大降低了成本,具有广阔的应用前景。At present, the permeable bricks on the domestic market mainly include ceramic permeable bricks, resin bonded sand-based permeable bricks, permeable concrete and composite permeable bricks. Ceramic permeable bricks need to extract a large amount of ceramic raw materials, destroying the ecological environment, and such permeable bricks generally require high temperature sintering above 1000 ° C, the process is complicated and the cost is high; resin bonded sand-based permeable bricks, using resin as a binder, such a class The product is expensive and easy to age; the permeable concrete is permeable to water through the large holes between the aggregates, the surface is not beautiful, and it is easy to be blocked; the composite permeable brick is generally composed of a sand-based surface layer and a concrete bottom layer, which solves the permeable concrete surface. Rough, easy to block and other problems, and greatly reduce the cost compared with sand-based permeable bricks, has a broad application prospects.
中国专利CN10167187A《水泥混凝土透水砖、透水路面及其生产方法》中提出一种复合透水砖的制备方法,其面层配比为:水泥20-30%、沙子15-25%、无机颜料2-18%、吸水树脂0.1-0.5%、沥青粉1-15%、扩散剂1-6%、减水剂2-15%、石子0-10%,该面层中骨料较少,而水泥等粘结剂占很大的比重,使其透水性能较差,而且由于其骨料颜色单一,只是通过外加无机颜料改变外观,此时大量的水泥也会影响其着色效果。Chinese patent CN10167187A "Cement concrete permeable brick, permeable pavement and its production method" proposes a preparation method of composite permeable brick, the surface layer ratio is: cement 20-30%, sand 15-25%, inorganic pigment 2- 18%, water-absorbing resin 0.1-0.5%, asphalt powder 1-15%, diffusing agent 1-6%, water reducing agent 2-15%, stone 0-10%, the surface layer has less aggregate, and cement The binder accounts for a large proportion, making it poor in water permeability, and because of its single color, it only changes its appearance by adding inorganic pigments. At this time, a large amount of cement will also affect its coloring effect.
中国专利CN1966861B《复合透水砖》中涉及一种复合透水砖制备方法,其面层骨料为0.05mm-2mm的石英砂,粘结剂为有机树脂及少量的无机粘结剂,这种有机树脂一般价格昂贵,且易老化,使得透水砖面层成本高、且容易出现褪色、掉砂现象。Chinese patent CN1966861B "Composite permeable brick" relates to a preparation method of composite permeable brick, the surface layer aggregate is 0.05mm-2mm quartz sand, the binder is organic resin and a small amount of inorganic binder, the organic resin Generally, the price is expensive, and it is easy to age, so that the permeable brick surface layer is high in cost, and it is prone to fading and sand falling.
中国专利CN103664060A《一种预覆膜新沙及其制备方法以及复合透水砖》中将透水砖面层骨料天然砂用环氧树脂树脂进行预覆膜,再添加有机树脂作为粘结剂,这样虽然增强了面层骨料间的粘合强度,但工艺复杂,不易进行工业化生产,而且底层使用水泥等无机粘结剂,面层与底层粘结剂的差别,容易使二者结合不紧密。Chinese patent CN103664060A "A pre-coated new sand and its preparation method and composite permeable brick", the permeable brick surface layer natural sand is pre-coated with epoxy resin, and then organic resin is added as a binder, so that Although the bonding strength between the top layer aggregates is enhanced, the process is complicated and it is difficult to carry out industrial production, and the inorganic binder such as cement is used for the bottom layer, and the difference between the surface layer and the bottom layer binder is easy to make the combination of the two not tight.
中国专利CN104452525B《一种透水砖及其制备方法》中透水砖表层骨料为建筑淤土免烧陶粒破碎而成的陶砂,粒径为0-5mm,颜色单一,粒径较大,使得透水砖的美观性变差,限制其实际应用场合;且陶粒破碎得到的陶砂形状不规则,球形度差,造成透水砖的透水性能 较差,而且随着使用时间的延长其透水性能会衰减。Chinese patent CN104452525B "A permeable brick and its preparation method", the surface layer of the permeable brick is a ceramic sand broken by building silt-free ceramsite, the particle size is 0-5mm, the color is single, the particle size is large, so that The aesthetic appearance of the permeable bricks is deteriorated, which limits its practical application; and the ceramic sand obtained by the ceramsite crushing is irregular in shape and the sphericity is poor, resulting in the water permeability of the permeable brick. Poor, and its water permeability will decay as time goes by.
发发明内容Invention content
针对目前制备复合透水砖技术中存在的问题,本发明以彩砂作为面层骨料,适量水泥作为面层与底层的粘结剂,并结合一定的添加剂,即能有效地解决有机粘结剂引起的面层老化、掉砂、褪色、价格昂贵、与底层结合不牢等问题,同时又能避免水泥等无机粘结剂引起的面层着色效果差、透水性能差、且透水性长期易衰减等问题,提供一种复合透水砖及其制备方法。In view of the problems existing in the current technology for preparing composite permeable bricks, the present invention uses colored sand as the surface layer aggregate, and an appropriate amount of cement as the binder of the surface layer and the bottom layer, and combined with certain additives, can effectively solve the organic binder. The surface layer is aged, sanded, faded, expensive, and not well bonded to the bottom layer. At the same time, it can avoid the poor coloring effect of the surface layer caused by inorganic binder such as cement, poor water permeability, and long-term easy attenuation of water permeability. And the like, a composite permeable brick and a preparation method thereof are provided.
为实现本发明的目的,本发明提供了以下技术方案:In order to achieve the object of the present invention, the present invention provides the following technical solutions:
一种复合透水砖,包括面层和底层,面层的原料包括骨料、面层粘结剂、水性环氧树脂、水性环氧固化剂、水泥抑碱剂、减水剂和水,底层的原料包括骨料、砂子、水泥、可再分散乳胶粉、水泥抑碱剂、减水剂和水;面层的原料重量份数分别为:A composite permeable brick comprising a surface layer and a bottom layer, the raw materials of the surface layer include aggregate, surface layer binder, waterborne epoxy resin, waterborne epoxy curing agent, cement alkali inhibitor, water reducing agent and water, bottom layer The raw materials include aggregate, sand, cement, dispersible polymer powder, cement alkali inhibitor, water reducing agent and water; the raw material weight fraction of the surface layer is:
Figure PCTCN2017085242-appb-000001
Figure PCTCN2017085242-appb-000001
面层骨料为10-100目的天然彩砂、彩色陶砂、经烧结的彩色陶瓷粉粒。The top layer aggregate is 10-100 mesh natural colored sand, colored ceramic sand, and sintered colored ceramic powder.
底层的原料重量份数分别为:The raw material weight fraction of the bottom layer is:
Figure PCTCN2017085242-appb-000002
Figure PCTCN2017085242-appb-000002
底层骨料为石子、陶粒、废瓷碎粒、尾矿一种或多种,粒径为1-15mm,优选为3-10mm。The underlayer aggregate is one or more of stone, ceramsite, waste porcelain granules and tailings, and has a particle diameter of 1-15 mm, preferably 3-10 mm.
所述面层的原料还包括重量分数为0.01-0.5份的甜菜碱。The raw material of the top layer further includes betaine in a weight fraction of 0.01 to 0.5 parts.
所述面层粘结剂为水泥或地质聚合物粘结剂的任一种。The facing binder is any of cement or geopolymer binder.
所述地质聚合物粘结剂是由100份高岭土、30-40份矿粉、5-10份氢氧化钠、20-35份 的水玻璃混合配制而成。The geopolymer binder is composed of 100 parts of kaolin, 30-40 parts of mineral powder, 5-10 parts of sodium hydroxide, 20-35 parts. The water glass is mixed and prepared.
所述水性环氧树脂为固含量为50-100%的水溶性环氧树脂或标准液体环氧树脂;水性环氧固化剂为固含量为30%-70%的水溶性环氧固化剂,优选为:水性环氧树脂与对应的水性环氧固化剂的质量比为1∶1-10∶1。The waterborne epoxy resin is a water-soluble epoxy resin or a standard liquid epoxy resin having a solid content of 50-100%; the waterborne epoxy curing agent is a water-soluble epoxy curing agent having a solid content of 30% to 70%, preferably The mass ratio of the aqueous epoxy resin to the corresponding aqueous epoxy curing agent is 1:1 to 10:1.
所述水泥抑碱剂为硅灰、粉煤灰、煅烧高岭土的任一种或两种以上。The cement alkali inhibitor is any one or more of silica fume, fly ash, and calcined kaolin.
所述减水剂为萘系高效减水剂、脂肪族高效减水剂、氨基高效减水剂、聚羧酸高效减水剂或Light Polymers公司的CT017减水剂等一种或多种。The water reducing agent is one or more of a naphthalene type superplasticizer, an aliphatic superplasticizer, an amino superplasticizer, a polycarboxylic acid superplasticizer or a CT017 water reducing agent of Light Polymers.
一种复合透水砖的制备方法,其特征在于:包括如下步骤:a、按配方要求称取面层各原料和底层各原料,分别混合均匀,为待用的面层原料和底层原料;b、采用振动压制的方法将底层原料在模具进行压制,清理压头,制得底层,在底层上面放置面层原料并压制成型;c、将步骤b制得的成型样品在温度为20-35℃,湿度为70%-95%的条件下养护3-28天,得到复合透水砖。The invention relates to a method for preparing a composite permeable brick, which comprises the following steps: a, weighing the raw materials of the surface layer and the raw materials of the bottom layer according to the formulation requirements, and uniformly mixing them separately, which are the surface layer raw materials and the bottom raw materials to be used; b. The bottom material is pressed in the mold by vibration pressing, the indenter is cleaned, the bottom layer is prepared, the surface material is placed on the bottom layer and pressed and formed; c, the molded sample obtained in step b is at a temperature of 20-35 ° C, The composite permeable brick is obtained by curing for 3-28 days under the condition of humidity of 70%-95%.
复合透水砖的面层厚度为4-10mm;底层厚度为30-100mm,优选为40-80mm。The composite permeable brick has a surface layer thickness of 4-10 mm; the bottom layer has a thickness of 30-100 mm, preferably 40-80 mm.
甜菜碱为具有强烈吸湿性能的烷基甜菜碱、烷基酰胺甜菜碱或磺丙基甜菜碱一种或多种。Betaine is one or more of an alkylbetaine, an alkylamide betaine or a sulfopropylbetaine having a strong hygroscopic property.
底层所用的可分散乳胶粉为具有极为突出粘结强度的的乙烯/醋酸乙烯酯的共聚物、醋酸乙烯/叔碳酸乙烯共聚物、丙烯酸共聚物、苯乙烯与丁二烯共聚胶粉一种或多种。The dispersible polymer powder used in the bottom layer is an ethylene/vinyl acetate copolymer having a very outstanding bond strength, a vinyl acetate/stea carbonate copolymer, an acrylic copolymer, a styrene and butadiene copolymer rubber powder or A variety.
本发明的优点在于:The advantages of the invention are:
1.本发明制备透水砖面层所用骨料优选为彩色陶砂或彩色喷雾造粒陶瓷粉,经高温煅烧,骨料本身具有类似陶瓷的着色效果,不会褪色,有效的避免了水泥等粘结剂影响着色效果;1. The aggregate used in the preparation of the permeable brick surface layer of the invention is preferably colored ceramic sand or colored spray granulated ceramic powder. After high temperature calcination, the aggregate itself has a ceramic-like coloring effect, does not fade, and effectively avoids stickiness of cement and the like. The knot affects the coloring effect;
2.本发明制备透水砖面层所用骨料为经高温烧结的球形颗粒,使得制备的透水砖强度高,耐磨性好,透水性好,且不易堵塞。2. The aggregate used in the preparation of the permeable brick surface layer of the invention is spherical particles which are sintered at a high temperature, so that the prepared permeable brick has high strength, good wear resistance, good water permeability and is not easy to be blocked.
3.本发明制备透水砖面层所用粘结剂主要为无机粘结剂,如水泥、地质聚合物粘结剂等,只用了少量的水性环氧树脂,降低了原料成本,同时也避免了有机粘结剂造成的易老化、掉砂等问题;3. The binder used in the preparation of the permeable brick surface layer of the invention is mainly an inorganic binder, such as cement, geopolymer binder, etc., only a small amount of water-based epoxy resin is used, which reduces the cost of raw materials and avoids Problems such as aging and sand loss caused by organic binders;
4.面层所用甜菜碱具有强烈的吸湿性能,可以增强透水砖的透水性,同时作为一种两性表面活性剂,在水泥水化的碱性环境下,甜菜碱中-COO-基团易与环氧树脂环氧基团反应结合,使其在水中不易流失,可以长期保持其增强透水的功能,使透水砖的透水性长期不衰减。4. The betaine used in the top layer has strong hygroscopicity and can enhance the water permeability of the permeable brick. At the same time, as an amphoteric surfactant, the -COO - group in betaine is easy to be used in the alkaline environment of cement hydration. The epoxy resin epoxy group reacts and combines, so that it is not easily lost in water, and can maintain its function of enhancing water permeability for a long time, so that the water permeability of the water-permeable brick is not attenuated for a long time.
5.面层与底层都为无机粘结剂,结合较好,面层与底层结合牢固;5. Both the top layer and the bottom layer are inorganic binders, and the combination is good, and the surface layer and the bottom layer are firmly combined;
6.本发明原料易得、制备工艺简单,有利于产业化。6. The raw material of the invention is easy to obtain, the preparation process is simple, and the industrialization is favorable.
具体实施方式detailed description
为了更详细地说明本发明,给出下述制备实例。但本发明的范围并不局限于此。 In order to explain the present invention in more detail, the following preparation examples are given. However, the scope of the invention is not limited thereto.
实施例1Example 1
面层配方:黄色陶砂(40-80目)100g,P.O42.5水泥30g,水性环氧树脂1.5g,水性环氧固化剂0.4g,甜菜碱0.15g,硅灰1g,聚羧酸减水剂0.3g,水14g;Top layer formula: yellow pottery sand (40-80 mesh) 100g, P.O42.5 cement 30g, waterborne epoxy resin 1.5g, waterborne epoxy curing agent 0.4g, betaine 0.15g, silica fume 1g, polycarboxylic acid Water reducing agent 0.3g, water 14g;
底层配方:石子(3-7mm)1200g,P.O42.5级水泥380g,砂子320g,可再分散乳胶粉3g,硅灰10g,聚羧酸减水剂2.4g,水96g。The bottom layer formula: stone (3-7mm) 1200g, P.O42.5 grade cement 380g, sand 320g, redispersible latex powder 3g, silica fume 10g, polycarboxylic acid water reducing agent 2.4g, water 96g.
(1)按配方要求称取面层与底层原料,二者分别混合均匀待用;(1) Weigh the surface layer and the bottom material according to the formulation requirements, and mix the two separately for use;
(2)采用振动压制的方法,先将底层混合料放置在150×150×65mm的钢模中布料压制,清理压头,再在底层上面进行面层布料并压制成型;(2) Using the method of vibration pressing, the bottom layer mixture is first placed in a 150×150×65mm steel mold, and the fabric is pressed, the indenter is cleaned, and then the surface layer is clothed on the bottom layer and pressed and formed;
(3)将成型好的样品,在温度为25℃、湿度为80%的条件下养护28天,得到复合透水砖;(3) The formed sample is cured for 28 days under the conditions of a temperature of 25 ° C and a humidity of 80% to obtain a composite permeable brick;
(4)将养护好的透水砖按照JG/T376-2012测试透水系数与抗压强度,如表1所示。(4) Test the permeability coefficient and compressive strength according to JG/T376-2012 for the cured permeable bricks, as shown in Table 1.
实施例2Example 2
面层配方:红色陶瓷喷雾造粒粉(40-60目)120g,P.O42.5水泥25g,水性环氧树脂2.25g,水性环氧固化剂0.6g,甜菜碱0.15g,粉煤灰1.5g,减水剂0.3g,水16g;Top layer formula: red ceramic spray granulated powder (40-60 mesh) 120g, P.O42.5 cement 25g, waterborne epoxy resin 2.25g, waterborne epoxy curing agent 0.6g, betaine 0.15g, fly ash 1.5 g, water reducing agent 0.3g, water 16g;
底层配方:陶粒(3-7mm)1200g,P.O42.5水泥300g,砂子280g,可再分散乳胶粉2g,硅灰12g,减水剂2.4g,水110g。The bottom layer formula: ceramsite (3-7mm) 1200g, P.O42.5 cement 300g, sand 280g, redispersible latex powder 2g, silica fume 12g, water reducing agent 2.4g, water 110g.
(1)按配方要求称取面层与底层原料,二者分别混合均匀待用;(1) Weigh the surface layer and the bottom material according to the formulation requirements, and mix the two separately for use;
(2)采用振动压制的方法,先将底层混合料放置在150×150×65mm的钢模中布料压制,清理压头,再在底层上面进行面层布料并压制成型;(2) Using the method of vibration pressing, the bottom layer mixture is first placed in a 150×150×65mm steel mold, and the fabric is pressed, the indenter is cleaned, and then the surface layer is clothed on the bottom layer and pressed and formed;
(3)将成型好的样品,在温度为25℃、湿度为90%的条件下养护28天,得到复合透水砖;(3) The formed sample is cured for 28 days under the conditions of a temperature of 25 ° C and a humidity of 90% to obtain a composite permeable brick;
(4)将养护好的透水砖按照JG/T376-2012测试透水系数与抗压强度,如表1所示。(4) Test the permeability coefficient and compressive strength according to JG/T376-2012 for the cured permeable bricks, as shown in Table 1.
实施例3Example 3
面层配方:蓝色天然彩砂(40-60目)120g,高岭土24g,矿粉9g,氢氧化钠1.65,水玻璃6.6,水性环氧树脂2.4g,水性环氧固化剂0.6g,甜菜碱0.15g,高岭土1.3g,萘系高效减水剂0.2g,水17g;Top layer formula: blue natural colored sand (40-60 mesh) 120g, kaolin 24g, mineral powder 9g, sodium hydroxide 1.65, water glass 6.6, waterborne epoxy resin 2.4g, waterborne epoxy curing agent 0.6g, betaine 0.15g, kaolin 1.3g, naphthalene high-efficiency water reducing agent 0.2g, water 17g;
底层配方:陶粒(3-7mm)1200g,P.O42.5水泥240g,砂子220g,可再分散乳胶粉3g,硅灰15g,萘系高效减水剂2.6g,水100g。The bottom layer formula: ceramsite (3-7mm) 1200g, P.O42.5 cement 240g, sand 220g, redispersible latex powder 3g, silica fume 15g, naphthalene high-efficiency water reducing agent 2.6g, water 100g.
(1)按配方要求称取面层与底层原料,二者分别混合均匀待用,其中氢氧化钠先与水玻璃混合,并搅拌至氢氧化钠溶解配置成激发剂,再将激发剂与面层其他原料一起混合;(1) Weigh the surface layer and the bottom material according to the formulation requirements, and mix the two separately for use. The sodium hydroxide is first mixed with the water glass, and stirred until the sodium hydroxide is dissolved and arranged as an activator, and then the activator is combined with the surface. Mixing other materials of the layer together;
(2)采用振动压制的方法,先将底层混合料放置在150×150×65mm的钢模中布料压制,清理压头,再在底层上面进行面层布料并压制成型;(2) Using the method of vibration pressing, the bottom layer mixture is first placed in a 150×150×65mm steel mold, and the fabric is pressed, the indenter is cleaned, and then the surface layer is clothed on the bottom layer and pressed and formed;
(3)将成型好的样品,在温度为25℃、湿度为80%的条件下养护28天,得到复合透水砖; (3) The formed sample is cured for 28 days under the conditions of a temperature of 25 ° C and a humidity of 80% to obtain a composite permeable brick;
(4)将养护好的透水砖按照JG/T376-2012测试透水系数与抗压强度,如表1所示。(4) Test the permeability coefficient and compressive strength according to JG/T376-2012 for the cured permeable bricks, as shown in Table 1.
对比例1Comparative example 1
与实施例2对比,面层未添加甜菜碱,其他配方与实验步骤完全相同,将养护好的透水砖按照JG/T376-2012测试透水系数与抗压强度,如表1所示。Compared with Example 2, the surface layer was not added with betaine. The other formulations were identical to the experimental procedures. The water-permeable coefficient and compressive strength of the cured permeable bricks were tested according to JG/T376-2012, as shown in Table 1.
对比例2Comparative example 2
与实施例2对比,底层中未添加可再分散乳胶粉,其他配方与实验步骤完全相同,将养护好的透水砖按照JG/T376-2012测试透水系数与抗压强度,如表1所示。Compared with Example 2, no redispersible latex powder was added to the bottom layer, and other formulations were identical to the experimental procedures. The water-permeable coefficient and compressive strength of the cured permeable bricks were tested according to JG/T376-2012, as shown in Table 1.
  抗压强度(MPa)Compressive strength (MPa) 透水系数(cm/s)Water permeability coefficient (cm/s)
实施例1Example 1 50.350.3 4.2×10-2 4.2×10 -2
实施例2Example 2 48.548.5 5.0×10-2 5.0×10 -2
实施例3Example 3 45.645.6 6.5×10-2 6.5×10 -2
对比例1Comparative example 1 49.149.1 3.1×10-2 3.1×10 -2
对比例2Comparative example 2 35.535.5 5.1×10-2 5.1×10 -2
通过以上数据可以看出,本发明的实施例2与对比例1相比,强度变化不大,但透水性能明显具有优势,本发明的实施例2与对比例2相比,透水系数变化不大,但抗压强度明显具有优势。同时,本发明制备的透水砖在强度与透水性能方面都具有明显的优势。It can be seen from the above data that the embodiment 2 of the present invention has little change in strength compared with the comparative example 1, but the water permeability is obviously advantageous. Compared with the comparative example 2, the water permeability coefficient of the embodiment 2 of the present invention does not change much. However, the compressive strength is obviously advantageous. At the same time, the permeable brick prepared by the invention has obvious advantages in strength and water permeability.
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。 The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope of the present invention. All should be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims (10)

  1. 一种复合透水砖,包括面层和底层,其特征在于:面层的原料包括骨料、面层粘结剂、水性环氧树脂、水性环氧固化剂、水泥抑碱剂、减水剂和水,底层的原料包括骨料、砂子、水泥、可再分散乳胶粉、水泥抑碱剂、减水剂和水;面层的原料重量份数分别为:A composite permeable brick comprising a surface layer and a bottom layer, characterized in that: the raw material of the surface layer comprises aggregate, surface layer binder, waterborne epoxy resin, waterborne epoxy curing agent, cement alkali inhibitor, water reducing agent and Water, the raw materials of the bottom layer include aggregate, sand, cement, dispersible polymer powder, cement alkali inhibitor, water reducing agent and water; the raw material weight fraction of the surface layer is:
    Figure PCTCN2017085242-appb-100001
    Figure PCTCN2017085242-appb-100001
    面层骨料为10-100目的天然彩砂、彩色陶砂、经烧结的彩色陶瓷粉粒。The top layer aggregate is 10-100 mesh natural colored sand, colored ceramic sand, and sintered colored ceramic powder.
  2. 根据权利要求1所述的复合透水砖,其特征在于:底层的原料重量份数分别为:The composite permeable brick according to claim 1, wherein the raw material weight fraction of the bottom layer is:
    Figure PCTCN2017085242-appb-100002
    Figure PCTCN2017085242-appb-100002
    底层骨料为石子、陶粒、废瓷碎粒、尾矿一种或多种,粒径为1-15mm。The bottom aggregate is one or more of stone, ceramsite, waste porcelain granules and tailings, and the particle size is 1-15 mm.
  3. 根据权利要求1所述的复合透水砖,其特征在于:所述面层的原料还包括重量分数为0.01-0.5份的甜菜碱。The composite permeable brick according to claim 1, wherein the raw material of the top layer further comprises betaine in a weight fraction of 0.01 to 0.5 parts.
  4. 根据权利要求1所述的复合透水砖,其特征在于:所述面层粘结剂为水泥或地质聚合物粘结剂的任一种。The composite permeable brick according to claim 1, wherein the surface layer binder is any one of cement or a geopolymer binder.
  5. 根据权利要求4所述的复合透水砖,其特征在于:所述地质聚合物粘结剂是由100份高岭土、30-40份矿粉、5-10份氢氧化钠、20-35份的水玻璃混合配制而成。The composite permeable brick according to claim 4, wherein the geopolymer binder is composed of 100 parts of kaolin, 30-40 parts of mineral powder, 5-10 parts of sodium hydroxide, and 20-35 parts of water. The glass is mixed and prepared.
  6. 根据权利要求1所述的复合透水砖,其特征在于:所述水性环氧树脂为固含量为50-100%的水溶性环氧树脂或标准液体环氧树脂;水性环氧固化剂为固含量为30%-70%的水溶性 环氧固化剂。The composite permeable brick according to claim 1, wherein the aqueous epoxy resin is a water-soluble epoxy resin or a standard liquid epoxy resin having a solid content of 50-100%; and the aqueous epoxy curing agent is a solid content. 30%-70% water solubility Epoxy curing agent.
  7. 根据权利要求1或2所述的复合透水砖,其特征在于:所述水泥抑碱剂为硅灰、粉煤灰、煅烧高岭土的任一种或两种以上。The composite permeable brick according to claim 1 or 2, wherein the cement base inhibitor is any one or more of silica fume, fly ash, and calcined kaolin.
  8. 根据权利要求1或2所述的复合透水砖,其特征在于:所述减水剂为萘系高效减水剂、脂肪族高效减水剂、氨基高效减水剂、聚羧酸高效减水剂或Light Polymers公司的CT017减水剂等一种或多种。The composite permeable brick according to claim 1 or 2, wherein the water reducing agent is a naphthalene-based superplasticizer, an aliphatic superplasticizer, an amino superplasticizer, and a polycarboxylic acid superplasticizer. Or one or more of the CT017 water reducing agent of Light Polymers.
  9. 一种权利要求1-6任一项所述的复合透水砖的制备方法,其特征在于:包括如下步骤:a、按配方要求称取面层各原料和底层各原料,分别混合均匀,为待用的面层原料和底层原料;b、采用振动压制的方法将底层原料在模具进行压制,清理压头,制得底层,在底层上面放置面层原料并压制成型;c、将步骤b制得的成型样品在温度为20-35℃,湿度为70%-95%的条件下养护3-28天,得到复合透水砖。The invention relates to a method for preparing a composite permeable brick according to any one of claims 1 to 6, which comprises the following steps: a, weighing the raw materials of the surface layer and the raw materials of the bottom layer according to the formulation requirements, respectively, mixing uniformly, waiting for The surface layer raw material and the bottom material used; b, the bottom material is pressed in the mold by vibration pressing, the indenter is cleaned, the bottom layer is prepared, the surface layer material is placed on the bottom layer and pressed and formed; c, the step b is prepared The molded sample is cured for 3-28 days at a temperature of 20-35 ° C and a humidity of 70%-95% to obtain a composite permeable brick.
  10. 根据权利要求9所述的复合透水砖的制备方法,其特征在于:复合透水砖的面层厚度为4-10mm;底层厚度为30-100mm。 The method for preparing a composite permeable brick according to claim 9, wherein the composite permeable brick has a surface layer thickness of 4-10 mm; and the bottom layer has a thickness of 30-100 mm.
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