CN106220058A - Concrete and preparation method thereof - Google Patents

Concrete and preparation method thereof Download PDF

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Publication number
CN106220058A
CN106220058A CN201610584997.9A CN201610584997A CN106220058A CN 106220058 A CN106220058 A CN 106220058A CN 201610584997 A CN201610584997 A CN 201610584997A CN 106220058 A CN106220058 A CN 106220058A
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CN
China
Prior art keywords
parts
concrete
phase
haydite
slow
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.)
Pending
Application number
CN201610584997.9A
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Chinese (zh)
Inventor
潘先文
陈云松
李光明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING SANSHENG BUILDING MATERIALS Co Ltd
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CHONGQING SANSHENG BUILDING MATERIALS Co Ltd
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Priority to CN201610584997.9A priority Critical patent/CN106220058A/en
Publication of CN106220058A publication Critical patent/CN106220058A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to a kind of concrete and preparation method thereof.Purpose is to provide a kind of has good thermal and insulating performance and the concrete meeting pumping requirements and preparation method thereof.A kind of concrete includes following components by weight percent: 300 450 parts of haydites, 20 60 parts of phase-change materials, 220 300 parts of pottery sand, 200 280 parts of cement, 80 120 parts of flyash, 5 15 parts of glass beads, 0.2 1.0 parts of hydroxypropyl methyl cellulose ethers, 46 parts of slow-setting polycarboxylic acid water reducing agents and 180 220 parts of water.The dry apparent density of concrete prepared by the present invention can as little as 1030kg/m3;Thermal and insulating performance is improved;Optimised coagulation soil formula, on the premise of reducing heat conductivity, pumping construction further, makes concrete crushing strength reach 18.9MPa;Addition pottery sand, hydroxypropyl methyl cellulose ether improve the workability of mixture system, add slow-setting polycarboxylic acid water reducing agent to extend concrete coagulating time, reduce water consumption, concrete slump is made to can reach 220mm, and there is certain holding performance, and then meet pumping construction requirement, substantially increase efficiency of construction.

Description

Concrete and preparation method thereof
Technical field
The present invention relates to a kind of construction material and preparation method thereof, be specifically related to a kind of concrete and preparation method thereof.
Background technology
Since reform and opening-up, China's rapid economic development, growth continuous to energy demand, socio-economic development supplies with the energy Contradiction between Ying, the saving energy has become China and has realized a fundamental state policy of the sustainable development of socio-economy. At present, building energy consumption is still AND ENERGY RESOURCES CONSUMPTION IN CHINA rich and influential family, and building total energy consumption accounts for more than the 30% of society's terminal energy consumption, is energy-conservation The major fields reduced discharging, building energy conservation is forced in the whole country to advance.
For reaching 65% the most higher energy conservation standard, building flooring must take heat insulation measure.Current Way is laying one layer of heat preservation material on flooring structure sheaf, and conventional insulation material includes foam concrete, glass bead Inorganic heat insulation mortar, polyphenyl particle heat-insulating mortar, extruded polystyrene board, full lightweight concrete etc..Because of foam concrete, glass bead without Comprcssive strength or the compressive strength of the insulation materials such as machine thermal insulation mortar, polyphenyl particle heat-insulating mortar, extruded polystyrene board are far below 15MPa, therefore must be at the heat-insulation layer upper surface one layer of intensity of the overlay pea gravel concreten higher than 15MPa as protective facing, this both increased Add working procedure, also increase construction costs.And full lightweight concrete is on the basis of preferred raw material, optimized mix-proportion, its Thermal and insulating performance can meet requirement, and comprcssive strength is again more than 15MPa, thus can remove overlay protective facing from.
Patent about full lightweight concrete is the most few at present, patent " phase transformation full lightweight concrete energy-saving wall board " (application number: 201410497258.7) disclose the manufacture method of a kind of phase transformation full lightweight concrete energy-saving wall board, but it is not directed to full lightweight concrete Concrete formula, stirring with moulding process, the Technique performance parameter of full lightweight concrete.Patent " high-strength insulation full lightweight concrete And its preparation method and application " (application number: 201510478989.1) disclose a kind of high-strength insulation full lightweight concrete and Preparation method, its intensity is higher than 15MPa, but its heat conductivity is bigger than normal: more than 0.23W/ (m K), the slump only has 180mm, It is difficult to meet pumping construction requirement.
Summary of the invention
The invention aims to provide a kind of have good heat-proof quality and meet pumping requirements concrete and Preparation method.
For achieving the above object, the technical solution used in the present invention is: a kind of concrete includes following components by weight percent: 300- 450 parts of haydites, 20-60 part phase-change material, 220-300 part pottery sand, 200-280 part cement, 80-120 part flyash, 5-15 part glass Change microballon, 0.2-1.0 part hydroxypropyl methyl cellulose ether, 4-6 part slow-setting polycarboxylic acid water reducing agent and 180-220 part water.
It is further preferred that include following components by weight percent: 350-450 part haydite, 30-50 part phase-change material, 250-280 part Pottery sand, 230-260 part cement, 90-110 part flyash, 5-10 part glass bead, 0.4-0.8 part hydroxypropyl methyl cellulose ether, 5-6 part slow-setting polycarboxylic acid water reducing agent and 190-210 part water.
It is further preferred that include following components by weight percent: 400 parts of haydites, 40 parts of phase-change materials, 260 parts of pottery sand, 250 parts Cement, 100 parts of flyash, 8 parts of glass beads, 0.6 part of hydroxypropyl methyl cellulose ether, 5 parts of slow-setting polycarboxylic acid water reducing agents and 200 parts of water.
Further, described phase-change material: phase transition temperature is at 25-35 DEG C, and energy storage density is not less than 150J/g.
Further, described phase-change material is fatty acid phase-change material or/and polyalcohols phase-change material.
Further, bulk density 380-420kg/m of described haydite3, the mean diameter of described haydite is 5-25mm.
Further, bulk density 600-650kg/m of described pottery sand3, the mean diameter of described pottery sand is 0.1-5mm.
Further, described glass bead bulk density 100-110kg/m3, vitreous rate of closed hole in surface is more than 80%, vitreous The mean diameter of microballon is 0.1-5mm.
The preparation method of above-mentioned concrete includes step:
A. phase-change material is placed in melting channel, adds heat fusing, then put in melting channel fully soak drying haydite Stain, pulls out, naturally dries standby;
B. slow-setting polycarboxylic acid water reducing agent is completely dissolved in water;
C. haydite, pottery sand, cement, flyash, glass bead and hydroxypropyl methyl cellulose ether are put into blender, dry mixing 1min, the solution that then solution that step B prepares i.e. dissolved slow-setting polycarboxylic acid water reducing agent adds, and continues stirring 1min, Release, obtain product.
Adding glass bead in this novel full lightweight concrete, dry apparent density can as little as 1030kg/m3;Because introducing phase transformation material Expecting, thermal and insulating performance is improved, heat conductivity as little as 0.21W/ (m K);Optimised coagulation soil formula, is reducing further On the premise of heat conductivity, pumping construction, concrete crushing strength is made to reach 18.9MPa;Add pottery sand, hydroxypropyl methyl fiber Element ether improves the workability of mixture system, adds slow-setting polycarboxylic acid water reducing agent and extends concrete coagulating time, reduces and use The water yield, makes concrete slump reach 220mm, and has certain holding performance, and then meet pumping construction requirement, significantly carry High efficiency of construction.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.The described embodiment only present invention is preferable to carry out Example, is not limited to the present invention, and for a person skilled in the art, the present invention can have various change and change Change.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention Protection domain within.
Embodiment one
Being placed in melting channel by polyalcohols phase-change material and add heat fusing, its phase transition temperature is 35 DEG C, and energy storage density is 180J/g, then puts into the 400kg haydite dried and pulls out after being sufficiently impregnated with in melting channel, naturally dry standby, and haydite increases Weight 40kg;5kg slow-setting polycarboxylic acid water reducing agent is completely dissolved in 200kg water;Will dipping after haydite, 260kg pottery sand, 250kg cement, 100kg flyash, 8kg glass bead and 600g hydroxypropyl methyl cellulose ether input blender, dry mixing 1min, Then the above-mentioned solution having dissolved slow-setting polycarboxylic acid water reducing agent is added, continue stirring 1min, release, obtain product.
Bulk density 420kg/m of the haydite used3, the mean diameter of described haydite is 20mm;The heap of the pottery sand used Long-pending density 602kg/m3, the mean diameter of described pottery sand is 1.2mm;Glass bead bulk density 101kg/m used3, surface glass Changing rate of closed hole is 89%, and the mean diameter of glass bead is 4mm.
Embodiment two
Being placed in melting channel by fatty acid phase-change material and add heat fusing, its phase transition temperature is 25 DEG C, and energy storage density is 200J/g, then puts into the 450kg haydite dried and pulls out after being sufficiently impregnated with in melting channel, naturally dry standby, and haydite increases Weight 34kg;6kg slow-setting polycarboxylic acid water reducing agent is completely dissolved in 190kg water;Will dipping after haydite, 280kg pottery sand, 230kg cement, 110kg flyash, 5kg glass bead and 400g hydroxypropyl methyl cellulose ether input blender, dry mixing 1min, Then the above-mentioned solution having dissolved slow-setting polycarboxylic acid water reducing agent is added, continue stirring 1min, release, obtain product.
Bulk density 380kg/m of the haydite used3, the mean diameter of described haydite is 10mm;The heap of the pottery sand used Long-pending density 647kg/m3, the mean diameter of described pottery sand is 5mm;Glass bead bulk density 108kg/m used3, surface vitreous Rate of closed hole is 92%, and the mean diameter of glass bead is 0.5mm.
Embodiment three
The mixture of fatty acid phase-change material Yu polyalcohols phase-change material is placed in melting channel and adds heat fusing, its phase Temperature is 30 DEG C, and energy storage density is 190J/g, is then put into by the 300kg haydite dried and drags for after being sufficiently impregnated with in melting channel Go out, naturally dry standby, haydite weightening finish 56kg;4kg slow-setting polycarboxylic acid water reducing agent is completely dissolved in 220kg water;Will leaching Haydite, 220kg pottery sand, 270kg cement, 80kg flyash, 15kg glass bead and 1kg hydroxypropyl methyl cellulose ether after stain Put into blender, dry mixing 1min, then the above-mentioned solution having dissolved slow-setting polycarboxylic acid water reducing agent is added, continue stirring 1min, releases, obtains product.
Bulk density 418kg/m of the haydite used3, the mean diameter of described haydite is 20mm;The heap of the pottery sand used Long-pending density 642kg/m3, the mean diameter of described pottery sand is 0.5mm;Glass bead bulk density 109kg/m used3, surface glass Changing rate of closed hole is 81%, and the mean diameter of glass bead is 3mm.

Claims (9)

1. a concrete, it is characterised in that: include following components by weight percent: 300-450 part haydite, 20-60 part phase-change material, 220-300 part pottery sand, 200-280 part cement, 80-120 part flyash, 5-15 part glass bead, 0.2-1.0 part hydroxypropyl methyl Cellulose ether, 4-6 part slow-setting polycarboxylic acid water reducing agent and 180-220 part water.
Concrete the most according to claim 1, it is characterised in that: include following components by weight percent: 350-450 part haydite, 30- 50 parts of phase-change materials, 250-280 part pottery sand, 230-260 part cement, 90-110 part flyash, 5-10 part glass bead, 0.4- 0.8 part of hydroxypropyl methyl cellulose ether, 5-6 part slow-setting polycarboxylic acid water reducing agent and 190-210 part water.
Concrete the most according to claim 1, it is characterised in that: include following components by weight percent: 400 parts of haydites, 40 parts of phases Become material, 260 parts of pottery sand, 250 parts of cement, 100 parts of flyash, 8 parts of glass beads, 0.6 part of hydroxypropyl methyl cellulose ether, 5 Part slow-setting polycarboxylic acid water reducing agent and 200 parts of water.
4. according to the concrete described in any one in claim 1-3, it is characterised in that: the phase transition temperature of described phase-change material At 25-35 DEG C, energy storage density is not less than 150J/g.
Concrete the most according to claim 4, it is characterised in that: described phase-change material be fatty acid phase-change material or/ With polyalcohols phase-change material.
Concrete the most according to claim 4, it is characterised in that: bulk density 380-420kg/m of described haydite3, described The mean diameter of haydite is 5-25mm.
Concrete the most according to claim 4, it is characterised in that: bulk density 600-650kg/m of described pottery sand3, described The mean diameter of pottery sand is 0.1-5mm.
Concrete the most according to claim 4, it is characterised in that: described glass bead bulk density 100-110kg/m3, table Vitreous rate of closed hole in face is more than 80%, and the mean diameter of glass bead is 0.1-5mm.
9. according to the preparation method of the concrete described in any one in claim 1-8, it is characterised in that: include step:
A. phase-change material is placed in melting channel, adds heat fusing, then put in melting channel be sufficiently impregnated with drying haydite, drag for Go out, naturally dry standby;
B. slow-setting polycarboxylic acid water reducing agent is completely dissolved in water;
C. haydite, pottery sand, cement, flyash, glass bead and hydroxypropyl methyl cellulose ether are put into blender, dry mixing 1min, then adds the solution having dissolved slow-setting polycarboxylic acid water reducing agent, continues stirring 1min, releases, obtain product.
CN201610584997.9A 2016-07-22 2016-07-22 Concrete and preparation method thereof Pending CN106220058A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106927760A (en) * 2017-04-17 2017-07-07 珠海市振业混凝土有限公司 A kind of composition and preparation method thereof and the application for extending the concrete initial set time
CN108821639A (en) * 2018-06-28 2018-11-16 江苏百瑞吉新材料有限公司 A kind of anti-freeze type concrete pump-feed agent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671136A (en) * 2008-09-09 2010-03-17 同济大学 Method for preparing phase change thermal storage-based novel energy-storing and heat-insulating mortar
CN103951350A (en) * 2014-04-25 2014-07-30 中南大学 Lightweight aggregate concrete for heat preservation of structures
CN105036627A (en) * 2015-07-27 2015-11-11 浙江方远建材科技有限公司 Phase-change roof self-insulation ceramsite concrete
CN105330215A (en) * 2015-10-23 2016-02-17 潍坊德霖建材科技有限公司 Preparation method for warm-keeping mortar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671136A (en) * 2008-09-09 2010-03-17 同济大学 Method for preparing phase change thermal storage-based novel energy-storing and heat-insulating mortar
CN103951350A (en) * 2014-04-25 2014-07-30 中南大学 Lightweight aggregate concrete for heat preservation of structures
CN105036627A (en) * 2015-07-27 2015-11-11 浙江方远建材科技有限公司 Phase-change roof self-insulation ceramsite concrete
CN105330215A (en) * 2015-10-23 2016-02-17 潍坊德霖建材科技有限公司 Preparation method for warm-keeping mortar

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《混凝土材料技术及其质量控制管理》编委会编: "《混凝土材料技术及其质量控制管理》", 30 November 2013, 中国水利水电出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106927760A (en) * 2017-04-17 2017-07-07 珠海市振业混凝土有限公司 A kind of composition and preparation method thereof and the application for extending the concrete initial set time
CN108821639A (en) * 2018-06-28 2018-11-16 江苏百瑞吉新材料有限公司 A kind of anti-freeze type concrete pump-feed agent

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Application publication date: 20161214