CN101353265A - Cellular concrete product - Google Patents

Cellular concrete product Download PDF

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Publication number
CN101353265A
CN101353265A CNA2008101208800A CN200810120880A CN101353265A CN 101353265 A CN101353265 A CN 101353265A CN A2008101208800 A CNA2008101208800 A CN A2008101208800A CN 200810120880 A CN200810120880 A CN 200810120880A CN 101353265 A CN101353265 A CN 101353265A
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weight
powder
water
foam
concrete
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周照柱
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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
    • 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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A foamed concrete product is characterized in that Portland cement or ordinary Portland cement is taken as gelling material; zeolite powder, metakaolin powder, limestone powder, fly ash or silicon ash powder are taken as admixtures; protein hydrolysate of hoof and horn of animals is taken as a foaming agent; an acrylate coagulator or a polycarboxylic acid type water reducing agent is taken as an adjuvant, and water is active water. In order to improve the early strength, the later compressive strength, the bending strength and the anti-tensile splitting strength of the low-density foamed concrete, a plurality of admixtures comprising the zeolite powder, the metakaolin powder, the silicon ash powder or the limestone powder are chosen, by mutual collocation of the components and contents of the admixtures, the comprehensive improvement of various strengths is achieved, and the multifunctional effects of insulating heat, adjusting moisture, preserving heat, and the like, are obtained. In the foamed concrete blocks of the ordinary Portland cement, the density is 500-800kg/m<3>, the compressive strength is 6-8MPa and the water absorption rate is 5-10%, the heat preserving property and the heat insulating property are obviously improved, the water absorption performance and the moisture adjusting index are remarkably improved, and the better cost performance ratio is obtained.

Description

Cellular concrete product
Technical field
The present invention relates to a kind of material of construction, especially a kind of cement foam concrete product.
Background technology
At present the domestic construction industry is carried out the materials for wall reform gradually, and the building block of multiple hole structure begins progressively to replace the tradition brick of building a wall, and alleviating the buildings deadweight, improving story height, enlarges usable floor area, has obtained unusual effect.Along with social progress and the people further raising to the dwelling house condition, modern architecture thing structure proposes requirements at the higher level to material of construction, for example wall body structure is required to alleviate the body of wall deadweight, and the high anti-seismic performance of intensity is good again, not only be incubated but also heat insulation, with save energy.For adapting to this development trend, building trade is obtaining remarkable effect aspect the mixed foamed concrete material of cement foamed manufacturing both at home and abroad, and is progressively applying.But promoting foamed concrete material on probation at present exists the technical problem that will solve quite a few, just compare with traditional brick and alleviate the buildings deadweight greatly as foamed concrete, increase story height, save building area, meanwhile along with building increase, body of wall load-bearing pressure also increases, therefore improve the load bearing stength of foamed concrete, the weight capacity of unit volume particularly, just become and improve one of primary technical problem of foam concrete block, improve fire-retardant on the heat preservation and insulation basis, noise reduction, anti-seismic performance also must solve.
Summary of the invention
The present invention is directed to present foam concrete block exists the resistance to compression load bearing stength not adapt to development of the situation needs problem, a kind of technical solution is proposed, reach and to alleviate deadweight, have resistance to compression load bearing stength height again, the antidetonation fire retardancy is strong, also has the multifunctional foam concrete product that heat-insulation and heat-preservation is regulated the humidity function simultaneously.
A kind of cellular concrete product, it comprises gelating material, extra material, whipping agent, auxiliary and water, it is characterized in that gelating material is silicate cement or ordinary Portland cement, extra material is zeolite powder, metakaolin powder, limestone powder, flyash or wollastonite powder, whipping agent is an animal hoof and foot protolysate, auxiliary is esters of acrylic acid setting accelerator or poly carboxylic acid series water reducer, and water is active water.
A kind of cellular concrete product, it is characterized in that foam concrete block comprises ordinary Portland cement 60～70% weight, flyash 9～13% weight, river sand 8～6% weight, limestone powder 5～8% weight, zeolite powder 4～4.5% weight, metakaolin powder 2～2.5% weight, animal hoof and foot protolysate whipping agent 0.5～1% weight, esters of acrylic acid setting accelerator 0.5～1% weight, poly carboxylic acid series water reducer 0.4～0.5% weight.
The manufacture method of cellular concrete product may further comprise the steps:
A, foam process: with the ratio of whipping agent and water in 0.3～0.6: 1 ratio preparation, foam while stirring with the pressure foaming machine, check foam normally standby;
B, slip mix: silicate cement and extra material being fed intake by design proportion, stir in concrete mixer, is that 1: 0.3～0.6 ratio arm adds water stirring 2～3 minutes by solid materials and water gross weight ratio, evenly standby;
C, slip and foamy are mixed technology: the grout that will stir is sent in the speed change stirrer and is stirred, and divides secondary slowly to add described foam, and slip is 1: 2～4 times with the lather volume ratio, 20～30 rev/mins of speed, stirred 1～2 minute, and suitably quickened or subtract, stirred 2～3 minutes;
D, moulding and maintenance: will mix the qualified grout of bubble and be transported on the mould, casting mold is water seasoning after 12～14 hours, supports 3～7 days, and every days two, water seasoning was 5～6 times, cut into building block or plate product after 5～7 days.
Active water is a small stream river flowing water, non-tap water.
Silicate cement comprises silicate cement or ordinary Portland cement.Portland clinker is 100%, and ordinary Portland cement is that Portland clinker is mixed 5～15% various active mixed materials.The silicate cement label is selected for use No. 52.5, and it is No. 42.5 that ordinary Portland cement is selected label for use.
Flyash is the first level flour coal ash.Flyash is beige, is generally particulate state.Main component is SiO 2, Al 2O 3, Fe 2O 3, some time is also contained CaO, unburnt lime, the mineral that do not change and fragment etc.Select the first level flour coal ash of standard GB 1596-91 regulation for use.
Limestone powder is to wear into fine powder with natural limestone, major ingredient is a lime carbonate, as concrete extra material can with the aluminate water generation reaction aluminium carbonate Calucium Silicate powder in silicate cement and the zeolite, promote the tricalcium silicate aquation, improve concrete intensity, to early strength and the later stage ultimate compression strength effect that is improved.
Zeolite powder is a volcano matter silico-aluminate, and main chemical compositions is SiO 2And Al 2O 3Account for 80% of zeolite group mineral total amount, zeolite and calcium oxide generate hydrated calcium silicate and drated calcium aluminate, thereby zeolite has greater activity, exist in the zeolite crystal regularly arranged in a large number, size evenly, hole and the passage that connects and link to each other each other with the external world, active silica and aluminum oxide are through the aquation and the setting and harden process of passage participation gelling material, the gluing of gathering materials be can improve, concrete density and intensity improved.
Metakaolin (Al 2O 3SiO 2, AS 2) be white in color, be kaolin (Al 2O 32SiO 22H 2O, AS 2H) at 500～600 ℃ of anhydrous aluminium silicates that dewater and form down, metakaolin is used to improve concrete glutinous poly-property and water-retentivity, mix metakaolin and can show raising early strength and longtime compressive strength, bending strength and tensile splitting strength in concrete, the common admixture concrete of metakaolin and flyash also improves concrete flowability.
The main component of wollastonite powder is SiO 2, generally accounting for about 90%, the overwhelming majority is unbodied silicon oxide, other compositions are as Fe 2O 3, CaO, SO etc. generally are no more than 1%, loss on ignition is about 1.5～3%, it is generally Steel Gray or silvery white, under electron microscope, observe, the silicon ash be shaped as amorphous spheroidal particle, smooth surface.Wollastonite powder can obviously increase viscosity after mixing concrete, prevents segregation, can be apt to pumpability, and wollastonite powder and high efficiency water reducing agent add the intensity that concrete can improve foamed concrete simultaneously.
Water reducer is poly-hydroxy acid based water reducer.Main component is alkene and poly carboxylic acid multipolymer or acrylate and acrylate copolymer.Water reducer is a kind of tensio-active agent, water reducer mixes concrete increases air content, trickle bubble is introduced and is helped improving concrete workability, freeze proof impermeability, the water-reducing effect of high efficiency water reducing agent increases with the increase of incorporation, when concrete strength is increased to maximum value, continues to increase the decline that incorporation may cause concrete strength, therefore polycarboxylic acid series high efficiency water reducing agent also can improve the intensity of foamed concrete within suitable incorporation.
Setting accelerator is a kind of esters of acrylic acid setting accelerator.Can select soluble resins such as trolamine and polyacrylic acid, polymethyl acrylic acid, hydroxyl acrylic, calcium acrylate for use.
Whipping agent is the animal hoof and foot foaming agent.This class A foam A agent is that the keratoprotein with animal hoof and foot is a main raw material, taked certain technology to extract lipid acid, add auxiliary agents such as hydrochloric acid, magnesium oxide again, through heating for dissolving, dilution, filtration, high temperature, dehydration and the high-grade surface-active substance that obtains, outward appearance is a dun liquid, certain corruption flavor is arranged, and PH is 6.5～7.5.Animal hoof and foot foaming agent performance is fine, and foam stabilization sends the foam preservation and still had major part to retain in 24 hours.
Top priority of the present invention is to improve the intensity of foamed concrete, and intensity is relevant with the volume density requirement of foamed concrete, and foamed concrete is characteristic with the low density, generally at 800kg/m 3Below, for improving the concrete intensity of low density foam, comprise early strength, later stage ultimate compression strength, the anti-tensile splitting strength of bending strength, the present invention focuses on and selects the multiple outer bleed that can improve intensity, comprise zeolite powder, metakaolin powder, wollastonite powder or limestone powder, select them effectively to improve the performance combination of intensity, in conjunction with selecting organic setting accelerator and water reducer, cooperatively interact by component and content, comprehensive improve various intensity in, also have multi-functional effects such as heat insulation, damping, insulation.Normal silicate foam concrete block density is 500～800kg/m 3Ultimate compression strength be 6～8MPa, water-intake rate is 5～10%, thermal and insulating performance is significantly improved, water-absorbent and damping index improve significantly, obtain preferable performance price ratio.
Embodiment
The concrete formulation examples of silicate cement foamed concrete.
(1) compositing formula of the foamed concrete exterior wall building block of density 800～900 kilograms per cubic meter
The component content ratio
Ordinary Portland cement 700kg 61%
Flyash 130kg 11%
River sand 110kg 10%
Limestone powder 100kg 8.8%
Zeolite powder 50kg 4.4%
Metakaolin powder 20kg 2%
Whipping agent 12kg 1.0%
Setting accelerator 10kg 1%
Poly carboxylic acid series water reducer 6kg 0.5%
According to the requirement of strength of high-density silicon acid salt cement, increase river sand in the composition, improve the content of flyash and limestone powder simultaneously, accelerate premature coagulation speed and intensity.Actual measurement exterior wall building block 60cm * 30cm * 12cm=0.0216m 3, 15 minutes presetting periods, final setting time 2 hours, 46 every cube.Through 18 days defects liability periods, steep in the water that water-intake rate is 5～10% after 2 hours, volume density 800～900kg/m 3, mean compressive strength 6～8MPa.
(2) compositing formula of density (500～600 kilograms per cubic meter) foamed concrete interior wall building block in
The component content ratio
Ordinary Portland cement 500kg 70%
Flyash 80kg 9.4%
River sand 40kg 5.5%
Limestone powder 40kg 5.5%
Zeolite powder 30kg 4.2%
Metakaolin powder 15kg 2.1%
Whipping agent 5kg 0.5%
Setting accelerator 5kg 0.5%
Poly carboxylic acid series water reducer 3kg 0.42%
(3) compositing formula of low density (200～300 kilograms per cubic meter) foamed concrete decorative sheet
The component content ratio
Silicate cement 190kg 85%
Silicon ash 10kg 4.5%
Metakaolin powder 10kg 4.5%
Zeolite powder 7kg 3.0%
Whipping agent 2kg 1%
Poly carboxylic acid series water reducer 4kg 2%
Polyphenyl foam particle powder 1kg 0.5%
Low-density foamed concrete is mainly used in body of wall or top ceiling is decorated, and requires good processability, and counter-bending, anti-splitting, tensile strength height replace the extra material that plays filling effect with polyphenyl foam particle powder.
Production craft step:
(1) foam process: according to the production technique of raw-material quality and various places, its technological process is with water: whipping agent is 1: 0.3～0.6 to mix, just 10 jin of water drop into whipping agent stoste becomes the whipping agent diluent for 3～6 jin, make fine and closely woven foam soap by the pressure foaming machine, the check foam is normally standby.
(2) slip mixes: cement and unclassified stores are poured hopper in proportion into and are delivered to stir in the stirrer again and add entry again, just determine according to temperature.Temperature is controlled at 0.3% 25 ℃ of following water consumptions, and temperature is controlled between 0.6% in water consumption more than 25 ℃, stirs and does not do the making of finishing slip when wet to the slip denseness in 2～3 minutes.
(3) slip and foamy are mixed technology: the slip that metering is prepared is with the airtight feeding of worm conveyor, under stirrer starts, add the bubble foam successively and add dispersion agent or high efficiency water reducing agent, slip is 1: 2～4 times with the lather volume ratio, adopt speed governing stirrer 20～30 cycle per minute clocks earlier, stirred 1～2 minute, and looked the thickness situation and quicken again or slow down to stir 2～3 minutes.
(4) casting and maintenance: generally pour into a mould and carry out water seasoning after 14 hours, maintenance is 3 days continuously, and maintenance every day 5 times is built after 7 days and cut.Block cuts back finished product maintenance 2 days warehouse-in or delivery at least again.
The present invention compared with prior art has the following advantages: the present invention selects for use clinoptilolite 650 ℃ of heating most of maintenances of original crystalline structure after 12 hours continuously, characteristics such as zeolite powder self is preserved moisture, lightweight, sound insulation, also has the damping effect, because a lot of cavitys and acupoint in the zeolite powder, it can hold a lot of water moleculess, the characteristic that has automatic moisture absorption or moisture releasing when ambient moisture changes can make concrete regulate humidity automatically.Temperature rises into, the energy moisture releasing; When temperature descends, can moisture absorption.Can very big adsorption surface in foamed concrete, make foam disperse effectively, it is also non-rising that foam and slip are not sunk, and the bubble diameter size is consistent.
Metakaolin is heated to dehydration about 600 ℃ by kaolin and generates.An amount of admixture metakaolin can improve concrete cohesiveness and water-retentivity, and foam requires to condense fast in that concrete is early stage, mixes metakaolin and can significantly improve early stage and longtime compressive strength, bending strength, tensile strength.Can also increase flexural toughness, the inhibition alkali-aggregate reaction of Steel Fiber Reinforced Concrete, thereby the contraction that reduces cement has reduced the negative pressure in the concrete hole.
The present invention avoids adopting organism as far as possible on addition material is selected, the setting accelerator of selected a small amount of or water reducer break away from goods inside in condensation cure, therefore cement foam concrete product of the present invention adapts to the needs of modern architecture material development aspect the fire retardant energy-saving environmental protection.

Claims (6)

1, a kind of cellular concrete product, it comprises gelating material, extra material, whipping agent, auxiliary and water, it is characterized in that gelating material is silicate cement or ordinary Portland cement, extra material is zeolite powder, metakaolin powder, limestone powder, flyash or wollastonite powder, whipping agent is an animal hoof and foot protolysate, auxiliary is esters of acrylic acid setting accelerator or poly carboxylic acid series water reducer, and water is active water.
2, cellular concrete product according to claim 1, it is characterized in that foam concrete block comprises ordinary Portland cement 60～70% weight, flyash 9～13% weight, river sand 8～6% weight, limestone powder 5～8% weight, zeolite powder 4～4.5% weight, metakaolin powder 2～2.5% weight, animal hoof and foot protolysate whipping agent 0.5～1% weight, esters of acrylic acid setting accelerator 0.5～1% weight, poly carboxylic acid series water reducer 0.4～0.5% weight.
3, cellular concrete product according to claim 2 is characterized in that the compositing formula of foamed concrete exterior wall building block: ordinary Portland cement 61% weight, flyash 11% weight, river sand 10% weight, limestone powder 8.8% weight, zeolite powder 4.4% weight, metakaolin powder 2% weight, whipping agent 1.0% weight, setting accelerator 1% weight, poly carboxylic acid series water reducer 0.5% weight.
4, cement foam concrete product according to claim 2 is characterized in that the compositing formula of foamed concrete interior wall building block: ordinary Portland cement 70% weight, flyash 9.4% weight, river sand 5.5% weight, limestone powder 5.5% weight, zeolite powder 4.2% weight, metakaolin powder 2.1% weight, whipping agent 0.5% weight, setting accelerator 0.5% weight, poly carboxylic acid series water reducer 0.42% weight.
5, according to the described a kind of cellular concrete product of claim 1, it is characterized in that the compositing formula of foamed concrete decorative sheet: silicate cement 85% weight, silicon ash 4.5% weight, metakaolin powder 4.5% weight, zeolite powder 3.0% weight, whipping agent 1% weight, poly carboxylic acid series water reducer 2% weight, polyphenyl foam particle powder 0.5% weight.
6, the manufacture method of cement foam concrete product according to claim 1, its feature may further comprise the steps:
A, foam process: with the ratio of whipping agent and water in 0.3～0.6: 1 ratio preparation, foam while stirring with the pressure foaming machine, check foam normally standby;
B, slip mix: silicate cement and extra material being fed intake by design proportion, stir in concrete mixer, is that 1: 0.3～0.6 ratio arm adds water stirring 2～3 minutes by solid materials and water gross weight ratio, evenly standby;
C, slip and foamy are mixed technology: the grout that will stir is sent in the speed change stirrer and is stirred, and divides secondary slowly to add described foam, and slip is 1: 2～4 times with the lather volume ratio, 20～30 rev/mins of stirring velocitys, stirred 1～2 minute, and suitably quickened or subtract, stirred 2～3 minutes;
D, moulding and maintenance: mixed soaked slurry transportation that will be qualified pours into mould water seasoning after 12～14 hours to mould, foster 3～7 days, every days two, water seasoning was 5～6 times, cut into building block or plate product after 5～7 days.
CNA2008101208800A 2008-09-11 2008-09-11 Cellular concrete product Pending CN101353265A (en)

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Cited By (36)

* Cited by examiner, † Cited by third party
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CN101497533B (en) * 2009-02-27 2011-06-08 中国科学院武汉岩土力学研究所 Foam concrete and preparing process thereof
CN102198696A (en) * 2011-05-11 2011-09-28 武汉理工大学 Method for preparing high-strength high-performance concrete tubular pile
US8070876B1 (en) * 2011-05-05 2011-12-06 Haihong Jiang Fireproof insulating cementitious foam comprising phase change materials
CN101580364B (en) * 2009-06-18 2012-01-04 浙江大学宁波理工学院 Cement concrete with water permeability
CN101643348B (en) * 2009-09-15 2012-02-08 中建三局建设工程股份有限公司 Lightweight aggregate concrete with zeolite powder and natural river sand and preparation method thereof
CN102344385A (en) * 2011-07-01 2012-02-08 西南科技大学 Preparation method and application of lauramide concrete foaming agent
CN102674760A (en) * 2012-04-24 2012-09-19 本钢板材股份有限公司 Composition for manufacturing explosion-proof concrete
CN101786834B (en) * 2010-01-25 2012-09-19 重庆鹏方路面工程技术研究院有限公司 Porous salt storage aggregate and preparation method thereof
CN102701652A (en) * 2012-06-08 2012-10-03 罗云峰 Steam pressure foam concrete block, production method and application thereof
CN103011896A (en) * 2012-12-21 2013-04-03 王寿光 Foam concrete
EP2593635A2 (en) * 2010-07-15 2013-05-22 Lafarge Low density cementitious compositions using limestone
CN103601451A (en) * 2013-12-04 2014-02-26 海南大学 High-strength impervious foam concrete prepared by solar energy curing
CN103979855A (en) * 2014-03-31 2014-08-13 安徽鑫润新型材料有限公司 Ultraviolet resistant concrete and preparation method thereof
CN104003683A (en) * 2014-05-23 2014-08-27 安庆市金鹰新型建材科技股份有限公司 Flyash concrete brick
CN104108912A (en) * 2014-06-19 2014-10-22 广东省建筑科学研究院 Lightweight high-performance foam concrete and preparation method thereof
CN104446622A (en) * 2014-11-25 2015-03-25 张家港保税区冠祥贸易有限公司 Foam concrete with high waterproofness and preparation method thereof
CN104478364A (en) * 2014-12-25 2015-04-01 王明忠 Foam concrete self-insulation building block and production method thereof
CN104478356A (en) * 2014-11-27 2015-04-01 罗海军 Fiber porous plate
CN104874348A (en) * 2015-04-22 2015-09-02 中国建筑材料科学研究总院 Composite adsorption material capable of reducing precipitation rate of radon in concrete
CN104909644A (en) * 2015-05-08 2015-09-16 盐城工学院 Foamed cement concrete and preparation method thereof
CN105036666A (en) * 2013-11-29 2015-11-11 纳米及先进材料研发院有限公司 Hydrophobic low shrinkage lightweight cementitious matrix
CN105060931A (en) * 2015-08-04 2015-11-18 南通科达建材股份有限公司 Easily biodegradable foam concrete
CN105198298A (en) * 2015-10-13 2015-12-30 安徽芜湖飞琪水泥制品有限公司 Foam cement pile material composition and preparation method thereof
CN105198484A (en) * 2015-10-29 2015-12-30 郑州航空工业管理学院 Method for preparing cement foaming agent by using fish scales
CN105503077A (en) * 2015-12-18 2016-04-20 卓达新材料科技集团威海股份有限公司 Foaming cement and preparation method thereof
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CN106007792A (en) * 2016-05-25 2016-10-12 句容联众科技开发有限公司 Fireproof foam concrete and preparation method thereof
CN106082870A (en) * 2016-06-21 2016-11-09 烟台驰龙建筑节能科技有限公司 A kind of sponge foam concrete and preparation method thereof
CN106396734A (en) * 2016-09-28 2017-02-15 何伟祖 Damp-proof anti-microbial anti-cracking high-strength light building block or batten used for building
CN107056164A (en) * 2017-05-25 2017-08-18 佛山市蓝瑞欧特信息服务有限公司 A kind of composite architectural materials
CN108467239A (en) * 2018-04-08 2018-08-31 赵顺全 A kind of complex cement slurry
CN108503279A (en) * 2017-02-28 2018-09-07 北京城泰混凝土制品有限公司 Frost-resistant concrete and preparation method thereof
CN108840716A (en) * 2018-07-25 2018-11-20 南京航空航天大学 Big fluidised form light foam composite soil
CN110194622A (en) * 2019-05-13 2019-09-03 浙江大东吴集团建设有限公司 A kind of foamed concrete production technology
CN114149204A (en) * 2021-11-11 2022-03-08 湖州鸿鼎混凝土制品有限公司 Green and environment-friendly concrete for heat-preservation and heat-insulation building and preparation method thereof
CN114605166A (en) * 2022-03-07 2022-06-10 上海市地江建筑科技有限公司 Carbon-immobilized biological foam concrete and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101497533B (en) * 2009-02-27 2011-06-08 中国科学院武汉岩土力学研究所 Foam concrete and preparing process thereof
CN101580364B (en) * 2009-06-18 2012-01-04 浙江大学宁波理工学院 Cement concrete with water permeability
CN101643348B (en) * 2009-09-15 2012-02-08 中建三局建设工程股份有限公司 Lightweight aggregate concrete with zeolite powder and natural river sand and preparation method thereof
CN101786834B (en) * 2010-01-25 2012-09-19 重庆鹏方路面工程技术研究院有限公司 Porous salt storage aggregate and preparation method thereof
EP2593635A4 (en) * 2010-07-15 2014-04-16 Lafarge Sa Low density cementitious compositions using limestone
US8858704B2 (en) 2010-07-15 2014-10-14 Lafarge Low density cementitious compositions using limestone
EP2593635A2 (en) * 2010-07-15 2013-05-22 Lafarge Low density cementitious compositions using limestone
US8070876B1 (en) * 2011-05-05 2011-12-06 Haihong Jiang Fireproof insulating cementitious foam comprising phase change materials
CN102198696B (en) * 2011-05-11 2012-09-05 武汉理工大学 Method for preparing high-strength high-performance concrete tubular pile
CN102198696A (en) * 2011-05-11 2011-09-28 武汉理工大学 Method for preparing high-strength high-performance concrete tubular pile
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Application publication date: 20090128