CN102584072A - No. 0 colloidal crystal special for shrinkage-free large flow state cement mortar and cement mortar - Google Patents

No. 0 colloidal crystal special for shrinkage-free large flow state cement mortar and cement mortar Download PDF

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Publication number
CN102584072A
CN102584072A CN2012100360224A CN201210036022A CN102584072A CN 102584072 A CN102584072 A CN 102584072A CN 2012100360224 A CN2012100360224 A CN 2012100360224A CN 201210036022 A CN201210036022 A CN 201210036022A CN 102584072 A CN102584072 A CN 102584072A
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cement mortar
weight part
special
weight parts
cement slurry
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CN2012100360224A
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温建忠
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Beijing Hua Qian Grouting Engineering Technology Co Ltd
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Abstract

The invention discloses a No. 0 colloidal crystal special for shrinkage-free large flow state cement mortar. The colloidal crystal comprises 1 to 4 weight parts of lithium carbonate, 3 to 10 weight parts of polycarboxylic water reducing agent, 4 to 14 weight parts of boric acid, 0.5 to 1 weight part of tartaric acid, 6 to 11 weight parts of calcium sulfoaluminate powder and 67 to 80 weight parts of fly ash. A preparation method for the colloidal crystal comprises the following steps of: (a), stirring; (b), packing; and (c), storing. By adopting a unique proportion, the early strength of the cement mortar is quickly promoted, and the promoting time is 1 to 3 hours; the cement mortar can adapt to special environments such as iron, chromium and the like; the compactness is improved, and pores are reduced; the cement mortar is good in flowability, low in slump degree, micro-expansive and shrinkage-free; and the final compressive strength of the cement mortar is improved from C40 to C55, the low-temperature construction performance of the cement mortar is improved, and the cement mortar can be normally constructed in an environment of 10-15 DEG C below zero.

Description

Do not have and shrink special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry and sand-cement slurry
Technical field
The present invention relates to cement specialist additive technical field, especially relate to a kind of nothing and shrink special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry and sand-cement slurry.
Background technology
In the prior art; Cement adds water and stirs back one-tenth slurry; Can materials such as sand, stone securely gluing be maximum a kind of material of construction and the engineering materials of usage quantity in the ceramic together, be widely used in building, water conservancy, road, oil, chemical industry and the military engineering.
But, sand-cement slurry under than the high viscosity state, be difficult to keep fluidised form preferably, appear at easily in the site operation and add the on the high side or improper various construction quality problems that cause of maintenance of water because of custom.And, the sand-cement slurry of existing admixture additive, its final ultimate compression strength is C40, also can only in subzero 5 ℃ environment, construct.
Summary of the invention
The present invention is intended to solve the weak point of above-mentioned prior art, and then a kind of early strength that significantly improves sand-cement slurry is provided, and avoids the nothing of construction quality problem to shrink special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry and sand-cement slurry.
The objective of the invention is to realize through following technical scheme.
It is brilliant that a kind of nothing is shunk the special-purpose 0# glue of big fluidised form sand-cement slurry, comprises the Quilonum Retard of 1-4 weight part, the polycarboxylate water-reducer of 3-10 weight part, the boric acid of 4-14 weight part, the tartrate of 0.5-1 weight part, the calcium sulphoaluminate powder of 6-11 weight part and the flyash of 67-80 weight part.
Further; It is brilliant that a kind of nothing is shunk the special-purpose 0# glue of big fluidised form sand-cement slurry, is to be mixed and made into by the Quilonum Retard of 1-3.33 weight part, the polycarboxylate water-reducer of 3-10 weight part, the boric acid of 4-13.33 weight part, the tartrate of 0.83-1 weight part, the calcium sulphoaluminate powder of 5.83-11 weight part and the flyash of 66.67-80 weight part.
A kind of admixture does not have the sand-cement slurry of shrinking the special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry, comprises 0# glue crystalline substance, cement and sandstone, and the brilliant addition content of said 0# glue is the 8-10% of cement weight.
A kind of admixture does not have the sand-cement slurry of shrinking the special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry, comprises 0# glue crystalline substance, cement and sandstone, and the brilliant addition content of said 0# glue is the 3-5% of cement weight.
A kind of preparation method who does not have the special-purpose 0# glue crystalline substance of the big fluidised form sand-cement slurry of contraction may further comprise the steps:
A. stir: put into mixing and blending machine to flyash and calcium sulphoaluminate powder by proportioning, put into Quilonum Retard, polycarboxylate water-reducer, boric acid and tartrate again, stir, it is mixed fully;
B. pack: the kraft paper plastic film bag that uses the moistureproof plastic film of liner is packing through step a mixture after being mixed;
C. store: the finished product bag after will packing is put into dry ventilation, avoids Exposure to Sunlight, guards against damp, waterproof.
Further, in said step a, the time of stirring is 5-8 minute.
Compared with prior art, beneficial effect of the present invention is: because the present invention has adopted unique proportioning, cause sand-cement slurry early strength fast lifting of the present invention, the time is 1-3 hour; Can adapt to special environment, like iron, chromium etc., improve compactness, pore reduces; Good fluidity, the slump is less, and microdilatancy does not have and shrinks; Final ultimate compression strength improves to be brought up to more than the C55 by original C 40, and the low-temperature construction performance improves, can be in subzero 10-15 ℃ environment normal construction.
The present invention has good education resistance; Under than the high viscosity state, still can keep fluidised form preferably; Effectively suppress and avoided adding the on the high side or improper various construction quality problems that cause of maintenance of water because of custom in the site operation; Simultaneously, can significantly improve early strength, final strength, flowability, micro-expansibility, education resistance ability and the low-temperature construction performance of sand-cement slurry, satisfy construction requirement.
During concrete the application, can be used for producing the sand-cement slurry of repairing material, ultra early-strength grouting material, bearing mortar, dry powder anchoring agent, railway spike anchoring agent and the requirement of fire-resistant temperature etc.
Embodiment
Below in conjunction with embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Embodiment 1
The C type
It is brilliant that the nothing of present embodiment is shunk the special-purpose 0# glue of big fluidised form sand-cement slurry A type, is made up of the starting material of following weight:
Its preparation method may further comprise the steps:
A. stir: put into mixing and blending machine to 400kg flyash and 55kg calcium sulphoaluminate powder by proportioning, put into 5kg Quilonum Retard, 15kg polycarboxylate water-reducer, 20kg boric acid and 5kg tartrate again, stir, it is mixed fully;
B. pack: the kraft paper plastic film bag that uses the moistureproof plastic film of liner is packing through step a mixture after being mixed, and packing specifications is 25kg ± 0.5kg/ bag;
C. store: the finished product bag after will packing is put into dry ventilation, avoids Exposure to Sunlight, guards against damp, waterproof, and the shelf lives is 12 months.
In the present embodiment, special-purpose 0# glue crystalline substance is when specifically preparing sand-cement slurry, and its addition content is the 8-10% of cement weight.
Embodiment 2
Type B
It is brilliant that the nothing of present embodiment is shunk the special-purpose 0# glue of big fluidised form sand-cement slurry Type B, is made up of the starting material of following weight:
Figure BSA00000671470400032
Figure BSA00000671470400041
Its preparation method may further comprise the steps:
B. stir: put into mixing and blending machine to 400kg flyash and 35kg calcium sulphoaluminate powder by proportioning, put into 20kg Quilonum Retard, 60kg polycarboxylate water-reducer, 80kg boric acid and 5kg tartrate again, stir, it is mixed fully;
B. pack: the kraft paper plastic film bag that uses the moistureproof plastic film of liner is packing through step a mixture after being mixed, and packing specifications is 25kg ± 0.5kg/ bag;
C. store: the finished product bag after will packing is put into dry ventilation, avoids Exposure to Sunlight, guards against damp, waterproof, and the shelf lives is 12 months.
In the present embodiment, special-purpose 0# glue crystalline substance is when specifically preparing sand-cement slurry, and its addition content is the 3-5% of cement weight.
C type in the embodiment of the invention or D type when specifically using, can be used for producing the sand-cement slurry of repairing material, ultra early-strength grouting material, bearing mortar, dry powder anchoring agent, railway spike anchoring agent and the requirement of fire-resistant temperature etc.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.

Claims (4)

1. one kind is not had the special-purpose 0# glue crystalline substance of the big fluidised form sand-cement slurry of contraction; It is characterized in that, comprise the Quilonum Retard of 1-4 weight part, the polycarboxylate water-reducer of 3-10 weight part, the boric acid of 4-14 weight part, the tartrate of 0.5-1 weight part, the calcium sulphoaluminate powder of 6-11 weight part and the flyash of 67-80 weight part.
2. do not shrink the special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry according to having described in the claim 1; It is characterized in that, be to be mixed and made into by the Quilonum Retard of 1-3.33 weight part, the polycarboxylate water-reducer of 3-10 weight part, the boric acid of 4-13.33 weight part, the tartrate of 0.83-1 weight part, the calcium sulphoaluminate powder of 5.83-11 weight part and the flyash of 66.67-80 weight part.
3. an admixture does not have the sand-cement slurry of shrinking the special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry, it is characterized in that, comprises 0# glue crystalline substance, cement and sandstone, and the brilliant addition content of said 0# glue is the 8-10% of cement weight.
4. an admixture does not have the sand-cement slurry of shrinking the special-purpose 0# glue crystalline substance of big fluidised form sand-cement slurry, it is characterized in that, comprises 0# glue crystalline substance, cement and sandstone, and the brilliant addition content of said 0# glue is the 3-5% of cement weight.
CN2012100360224A 2012-02-17 2012-02-17 No. 0 colloidal crystal special for shrinkage-free large flow state cement mortar and cement mortar Pending CN102584072A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290915A (en) * 2013-06-24 2013-09-11 徐金盛 Draining mesh board perforated strainer and manufacturing method thereof
CN110698145A (en) * 2019-11-27 2020-01-17 汝州郑铁三佳水泥制品有限公司 Trapezoidal sleeper square steel micro-expansion concrete

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1709821A (en) * 2005-06-08 2005-12-21 张振秋 Cement-base dual-liquid slip-casting material
CN101648797A (en) * 2009-06-29 2010-02-17 上海东升新材料有限公司 Self-leveling terrace powder mortar composite
CN101941824A (en) * 2010-08-10 2011-01-12 上海宝元化学建材有限公司 Self-leveling mortar of composite cement
CN102249636A (en) * 2011-05-18 2011-11-23 江苏名和集团有限公司 Cement-based shrinkage-free grouting mortar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1709821A (en) * 2005-06-08 2005-12-21 张振秋 Cement-base dual-liquid slip-casting material
CN101648797A (en) * 2009-06-29 2010-02-17 上海东升新材料有限公司 Self-leveling terrace powder mortar composite
CN101941824A (en) * 2010-08-10 2011-01-12 上海宝元化学建材有限公司 Self-leveling mortar of composite cement
CN102249636A (en) * 2011-05-18 2011-11-23 江苏名和集团有限公司 Cement-based shrinkage-free grouting mortar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290915A (en) * 2013-06-24 2013-09-11 徐金盛 Draining mesh board perforated strainer and manufacturing method thereof
CN110698145A (en) * 2019-11-27 2020-01-17 汝州郑铁三佳水泥制品有限公司 Trapezoidal sleeper square steel micro-expansion concrete

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Application publication date: 20120718