CN103360104A - Expanded and vitrified small ball-fiber reinforced foamed concrete - Google Patents

Expanded and vitrified small ball-fiber reinforced foamed concrete Download PDF

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Publication number
CN103360104A
CN103360104A CN2013102604980A CN201310260498A CN103360104A CN 103360104 A CN103360104 A CN 103360104A CN 2013102604980 A CN2013102604980 A CN 2013102604980A CN 201310260498 A CN201310260498 A CN 201310260498A CN 103360104 A CN103360104 A CN 103360104A
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CN
China
Prior art keywords
expanded
foamed concrete
vitrified small
small ball
fiber reinforced
Prior art date
Application number
CN2013102604980A
Other languages
Chinese (zh)
Inventor
王东
岳强
鲁统
叶强
何求生
温雪琴
高乙文
杨恒林
韦新东
Original Assignee
永升建设集团有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 永升建设集团有限公司 filed Critical 永升建设集团有限公司
Priority to CN2013102604980A priority Critical patent/CN103360104A/en
Publication of CN103360104A publication Critical patent/CN103360104A/en

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Abstract

The invention discloses expanded and vitrified small ball-fiber reinforced foamed concrete. The expanded and vitrified small ball-fiber reinforced foamed concrete comprises the following raw materials by weight: 42.5450kg of ordinary portland cement, 300kg of expanded and vitrified small balls, 200kg of water, 25kg of ash calcium, 15.5kg of re-dispersible latex powder, 5kg of alkali-resistant glass fibers, 3kg of a concrete foaming agent and 1.5kg of cellulose ether of which the viscosity is 100000mpas; and all the raw materials are subjected to stirring and pouring in proportions to obtain the expanded and vitrified small ball-fiber reinforced foamed concrete. The expanded and vitrified small ball-fiber reinforced foamed concrete contains the alkali-resistant glass fibers, the cellulose ether and the like, so that the bending resistance, fracture resistance, crack resistance and the like of a product can be strengthened, and after the expanded and vitrified small balls are added, the carrying capacity and strength of the product are improved; the use level of cement is reduced, so that the load generated to a base course is lighter, the construction can be carried out conveniently, the construction period is short, and the time limit for a project can be shortened; the construction cost is lowered; and the service life of the product is prolonged. The expanded and vitrified small ball-fiber reinforced foamed concrete overcomes the defects that the conventional construction foamed concrete generates a low load, the product cracks easily, a finished product is damaged easily and the like.

Description

Expanded and vitrified small ball-fiber reinforcement type foamed concrete
Technical field
The present invention relates to the foamed concrete technology, relate to lightweight, high-strength, cracking resistance foamed concrete production technology, especially expanded and vitrified small ball-fiber reinforcement type foamed concrete.
Background technology
In the prior art, common foamed concrete has the advantages such as load is light, easy construction, short construction period, its construction technology by wide popularization and application in building engineering construction.Common foamed concrete normally is prepared into foam with mechanical means with foaming agent, the aqueous solution, again foam is joined and contain in the slip that siliceous material, calcareous material, water and various admixtures etc. form, a kind of porous material that forms through mix and blend, casting, maintenance.According to the regulation of " foamed concrete " JG/T266-2011 6.1.2 bar, common foamed concrete average strength divides C0.3-C2011 grade, unit weight: 300-1300kg/m 3Although, owing to containing the tiny hole of a large amount of sealings in the common foamed concrete, make it have good physical and mechanical property, but owing to carrying point, the line load that applies at an upper portion thereof without concrete material object in the inner adulterant, if therefore when having loading end appearance point, line or concentrated load, breakoff phenomenon can appear in common foamed concrete, pit or slight crack appear in surface layer, severe patient can destroy final product quality, causes the phenomenon of doing over again.And cause foamed concrete very easily to ftracture owing to common foamed concrete cement usage quantity is large, hydration heat is inhomogeneous, lack the reason such as aggregate, resistance to cleavage is poor.Relevant improvement technology is rarely open.
Summary of the invention
Goal of the invention of the present invention provides a kind of expanded and vitrified small ball-fiber reinforcement type foamed concrete, forms exclusive proportioning, can improve common foamed concrete intensity and resistance to cleavage.
Purpose of the present invention will realize by following technical measures: starting material consist of proportioning and are:
With aforementioned Central Plains material proportion, stir, water and build up.
Especially, should basic unit is moistening before building, and at one plain-water slurry of basic unit brush or interface junction mixture, with the foamed concrete that stirs, moving back outward in the room and building; Vibrate or during roll extrusion low-lying place can before building, fill with plain concrete.
Especially, after surface layer red dog suction, firmly rub with the hands with wooden float beat, floating; First pass is smeared pressure: smear gently with plasterer's trowel and press one time until pulp; Smear pressure second time: after the initial set of surface layer mortar, with plasterer's trowel pit, sand holes are tamped floatingly, attention must not be leaked pressure; Smear pressure the 3rd time: before the final set of surface layer mortar, firmly smear pressure with plasterer's trowel, all are smeared line flatten press polish, reach facing surface closely knit bright and clean.
Especially, should be after construction is finished cover about 24 hours and the watering maintenance, be no less than 2 every day, and eye-catching sign is set forbids the people, preserving period, must not be less than 7 days.
Advantage of the present invention and effect: include alkali resistant glass fibre, ether of cellulose etc., can strengthen the performances such as the bending resistance of product, anti-folding, cracking resistance, improved supporting capacity, the intensity of product behind the adding expanded and vitrified small ball; Reduce the consumption of cement, basic unit is produced load lighter, easy construction, short construction period, but reduction of erection time; Reduced construction cost; Prolonged the work-ing life of product.Overcome that the load that tradition construction foamed concrete produces is low, the shortcomings such as product is easy to crack, finished product destructible.Under equal unit weight condition, the compressive strength rate currently available products strengthens 20%-25%, and folding strength increases by 15%, and rupture strength increases by 20%.
Embodiment
The invention will be further described below in conjunction with embodiment.
Starting material constitute among the present invention: normal silicate 42.5 cement, expanded and vitrified small ball, water, grey calcium, redispersable latex powder, alkali resistant glass fibre, concrete foamer and ether of cellulose.
Expanded and vitrified small ball among the present invention-fiber reinforcement type foamed concrete starting material consist of proportioning:
With aforementioned Central Plains material proportion, stir, water and build up expanded and vitrified small ball-fiber reinforcement type foamed concrete.
Among the present invention, expanded and vitrified small ball-fiber reinforcement type foamed concrete casting craft flow process:
Definite proportioning → the site technology of check raw material quality → test tell somebody what one's real intentions are → prepare plant → base cleaning → look for absolute altitude → stir, build foamed concrete → levelling, press polish → maintenance → inspect for acceptance.
1, base treatment: basic unit's rubbish etc. is cleaned out, and watering is moistening before building foamed concrete.
2, look for absolute altitude: according to horizontal control line and design thickness, around wall, pillar eject the top absolute altitude control line of surface layer.
3, foamed concrete stirs: the proportioning of foamed concrete should be determined by test according to design requirements.Feed intake and strictly to weigh, accurately control proportioning.
4, keep somewhere in accordance with regulations test block.
5, build: should basic unit is moistening before building, and at one plain-water slurry of basic unit brush or interface junction mixture, with the foamed concrete that stirs, moving back outward in the room and building; Vibrate or during roll extrusion low-lying place can before building, fill with plain concrete.
6, levelling, press polish: after surface layer red dog suction, firmly rub with the hands with wooden float beat, floating.
First pass is smeared pressure: smear gently with plasterer's trowel and press one time until pulp;
Smear pressure second time: after the initial set of surface layer mortar, with plasterer's trowel pit, sand holes are tamped floatingly, attention must not be leaked pressure;
Smear pressure the 3rd time: before the final set of surface layer mortar, firmly smear pressure with plasterer's trowel, all are smeared line flatten press polish, reach facing surface closely knit bright and clean.
7, maintenance: should be after construction is finished cover about 24 hours and the watering maintenance, be no less than 2 every day, and eye-catching sign is set forbids the people, preserving period, must not be less than 7 days.
Among the present invention, under equal unit weight condition, make expanded and vitrified small ball-fiber reinforcement type foamed concrete among the present invention, its compressive strength rate currently available products strengthens 20%-25%, and folding strength increases by 15%, and rupture strength increases by 20%.
Technique of the present invention has following advantage: include alkali resistant glass fibre, ether of cellulose etc., can strengthen the performances such as the bending resistance of product, anti-folding, cracking resistance, improved supporting capacity, the intensity of product behind the adding expanded and vitrified small ball; Reduce the consumption of cement, basic unit is produced load lighter, easy construction, short construction period, but reduction of erection time; Reduced construction cost; Prolonged the work-ing life of product.

Claims (4)

1. expanded and vitrified small ball-fiber reinforcement type foamed concrete; starting material constitute: normal silicate 42.5 cement, expanded and vitrified small ball, water, grey calcium, redispersable latex powder, alkali resistant glass fibre, concrete foamer and ether of cellulose; it is characterized in that, starting material consist of proportioning and are:
With aforementioned Central Plains material proportion, stir, water and build up.
2. expanded and vitrified small ball as claimed in claim 1-fiber reinforcement type foamed concrete, it is characterized in that, should basic unit is moistening before building, and at one plain-water slurry of basic unit's brush or interface junction mixture, with the foamed concrete that stirs, moving back outward in the room and building; Vibrate or during roll extrusion low-lying place can before building, fill with plain concrete.
3. expanded and vitrified small ball as claimed in claim 1-fiber reinforcement type foamed concrete is characterized in that, after surface layer red dog suction, firmly rub with the hands with wooden float beat, floating;
First pass is smeared pressure: smear gently with plasterer's trowel and press one time until pulp;
Smear pressure second time: after the initial set of surface layer mortar, with plasterer's trowel pit, sand holes are tamped floatingly, attention must not be leaked pressure;
Smear pressure the 3rd time: before the final set of surface layer mortar, firmly smear pressure with plasterer's trowel, all are smeared line flatten press polish, reach facing surface closely knit bright and clean.
4. expanded and vitrified small ball as claimed in claim 1-fiber reinforcement type foamed concrete; it is characterized in that, should after construction is finished, cover about 24 hours and the watering maintenance, be no less than every day 2 times; and eye-catching sign is set forbids the people, preserving period, must not be less than 7 days.
CN2013102604980A 2013-06-27 2013-06-27 Expanded and vitrified small ball-fiber reinforced foamed concrete CN103360104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102604980A CN103360104A (en) 2013-06-27 2013-06-27 Expanded and vitrified small ball-fiber reinforced foamed concrete

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Application Number Priority Date Filing Date Title
CN2013102604980A CN103360104A (en) 2013-06-27 2013-06-27 Expanded and vitrified small ball-fiber reinforced foamed concrete

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CN103360104A true CN103360104A (en) 2013-10-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104310901A (en) * 2014-09-28 2015-01-28 青岛佰众化工技术有限公司 High-temperature resistant anti-permeability concrete
CN105442793A (en) * 2014-09-24 2016-03-30 刘尊有 Environment-friendly cellular composite sheet material
CN109160786A (en) * 2018-09-29 2019-01-08 盐城工学院 Based on cured heat-insulating light mortar of waste incineration slag and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723632A (en) * 2009-11-23 2010-06-09 河北科技大学 Process for preparing load-bearing foam concrete blocks
CN102424556A (en) * 2011-09-16 2012-04-25 同济大学 Ultra-low apparent density and high-performance foam concrete material and its preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723632A (en) * 2009-11-23 2010-06-09 河北科技大学 Process for preparing load-bearing foam concrete blocks
CN102424556A (en) * 2011-09-16 2012-04-25 同济大学 Ultra-low apparent density and high-performance foam concrete material and its preparation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
江飞飞 等: ""玻化微珠保温砂浆断裂韧性研究"", 《砂浆•混凝土》, no. 3, 31 December 2010 (2010-12-31), pages 52 - 54 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442793A (en) * 2014-09-24 2016-03-30 刘尊有 Environment-friendly cellular composite sheet material
CN104310901A (en) * 2014-09-28 2015-01-28 青岛佰众化工技术有限公司 High-temperature resistant anti-permeability concrete
CN109160786A (en) * 2018-09-29 2019-01-08 盐城工学院 Based on cured heat-insulating light mortar of waste incineration slag and preparation method thereof
CN109160786B (en) * 2018-09-29 2020-12-01 盐城工学院 Heat-preservation light mortar solidified based on waste incineration slag and preparation method thereof

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Application publication date: 20131023

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