CN104120860A - Construction method for cement mortar ground leveling - Google Patents
Construction method for cement mortar ground leveling Download PDFInfo
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- CN104120860A CN104120860A CN201310154459.2A CN201310154459A CN104120860A CN 104120860 A CN104120860 A CN 104120860A CN 201310154459 A CN201310154459 A CN 201310154459A CN 104120860 A CN104120860 A CN 104120860A
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- cement
- mortar
- cement mortar
- construction method
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- 239000011083 cement mortar Substances 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 19
- 239000002344 surface layer Substances 0.000 claims abstract description 16
- 239000002023 wood Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 230000001680 brushing effect Effects 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000011398 Portland cement Substances 0.000 claims description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 235000015895 biscuits Nutrition 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The invention discloses a construction method for cement mortar ground leveling. The method comprises the following steps of (1) processing a base layer, (2) locating an elevation elastic line, (3) conducting watering and wetting, (4) plastering marl biscuits and locating ribs, (5) sitting mortar, (6) plastering a cement mortar combined layer, (7) laying a cement mortar surface layer, (8) conducting twisting and leveling with a wood float, (9) conducting press polishing with a trowel, and (10) conducting maintenance. According to the construction method for cement mortar ground leveling, the problems that the leveling thickness is large and the ground is still uneven through an existing construction method are solved, and the construction method is worthy of application and popularization during later construction.
Description
Technical field
The construction method that the present invention relates to a kind of cement mortar surface levelling, belongs to technical field of building construction, the cement mortar surface leveling layer while being blank premises face for industry with the cement mortar monolithic floor surface ground of civilian construction and designing requirement.
Background technology
The mixture of cement, sand and water, cement mortar, is usually used in the levelling on ground, the cement mortar surface leveling layer while being blank premises face for industry with the cement mortar monolithic floor surface ground of civilian construction and designing requirement.But it has two larger defects, the one, planeness is controlled and can not be accomplished that maximum accurately levelling thickness is high, be exactly secondly construction technology easily because the technical problem of construction party causes house earth surface to increase much, ground is injustice still but.
Inventor has createed a kind of construction method of novel cement mortar surface levelling through long Construction practices and test, has overcome above-mentioned defect.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, a kind of construction method of cement mortar surface levelling is provided, this construction method has overcome the still problem of injustice of the high and ground of original way levelling thickness.
Technical scheme: the construction method of a kind of cement mortar surface levelling of the present invention, comprises the steps:
(1) base treatment: the dust in Xian Jiang basic unit is swept, with wire brush and chisel outwash, pick grey laitance coating and ash bed, brushes off the greasy dirt in basic unit with 10% the caustic soda aqueous solution, and in time alkali lye is washed down with clear water;
(2) look for absolute altitude snap the line: according to horizon on wall, down measure surface layer absolute altitude, and bullet on the wall;
(3) sprinkle water moistening: with watering can by ground layer uniform sprinkling one time;
(4) plaster cake and mark muscle: according to the surface layer absolute altitude horizon of bullet on surrounding wall in room, determine finish coat thickness, then draw horizon to start the cake of plastering, anyhow spacing is 1.5～2.0m, on ash cake, plane is ground surface layer absolute altitude, smears mark muscle, and cement mortar is layered between ash cake, width is identical with ash cake, with wood float bat, smears into equal consistent with ash cake upper surface;
(5) stir mortar: cement mortar adopts cement and the sand of volume ratio 1:2, and its denseness is less than 35 ㎜, and strength grade is greater than M15, use mixer to stir, solid colour;
(6) swabbing mud setting course: brushing cement paste one deck before laying cement mortar, its water/binder ratio is 0.4～0.5, with brushing with paving layer mortar;
(7) mortar surface layer that lays cement: after brushing cement paste followed by the mortar that lays cement, between ash cake or between mark muscle by mortar paving evenly, then with wooden darby by ash cake or mark muscle height and strike off;
(8) wood float is rubbed with the hands flat: after wooden darby strikes off, rub with the hands and put down immediately with wood float, from inside to outside moving back and operating, and checking its planeness with 2 m guiding rulers;
(9) plasterer's trowel press polish;
(10) maintenance: 24h after ground press polish completion, paving sawdust or other material cover watering maintenance, keep moistening, and the time of maintenance is greater than 7d.
Further improve technique scheme, the concrete operation of described step (nine) is: first pass press polish, after wood float is floating, with plasterer's trowel, press first pass immediately, until pulp; Second time press polish, after the initial set of surface layer mortar, presses second time with plasterer's trowel, and limit is smeared flanging hole recess is filled and led up; The 3rd time press polish carried out in the 3rd time press polish before cement mortar final set, with plasterer's trowel, smearing stay while pressing whole for second time, smears line pressing, compacting and press polish.
Further, in described step (four), finish coat thickness is 20-30mm.
Further, must the ash cleaning of the cake of plastering is clean moistening with watering before described step (six) brushing.
Further, in described step (five), cement adopts portland cement or Portland cement, and its strength grade is higher than 32.5, and sand should be medium coarse sand, and mud content is less than 3%.
Compared with prior art, its beneficial effect is in the present invention: the construction method of cement mortar surface levelling of the present invention, overcome the still problem of injustice of original way levelling thickness height and ground, and be worth applying in construction afterwards.
The specific embodiment
Below technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
embodiment 1:a construction method for cement mortar surface levelling, comprises the steps:
(1) base treatment: the dust in Xian Jiang basic unit is swept, with wire brush and chisel outwash, pick grey laitance coating and ash bed, brushes off the greasy dirt in basic unit with 10% the caustic soda aqueous solution, and in time alkali lye is washed down with clear water;
(2) look for absolute altitude snap the line: according to horizon on wall, down measure surface layer absolute altitude, and bullet on the wall;
(3) sprinkle water moistening: with watering can by ground layer uniform sprinkling one time;
(4) plaster cake and mark muscle: according to the surface layer absolute altitude horizon of bullet on surrounding wall in room, determine finish coat thickness, thickness is 20-30mm, then draw horizon to start the cake of plastering, spacing is 1.5～2.0m anyhow, and on ash cake, plane is ground surface layer absolute altitude, smear mark muscle, cement mortar is layered between ash cake, and width is identical with ash cake, with wood float bat, smears into equal consistent with ash cake upper surface;
(5) stir mortar: cement mortar adopts cement and the sand of volume ratio 1:2, and its denseness is less than 35 ㎜, and strength grade is greater than M15, use mixer to stir, solid colour;
(6) swabbing mud setting course: brushing cement paste one deck before laying cement mortar, its water/binder ratio is 0.4～0.5, with brushing with paving layer mortar;
(7) mortar surface layer that lays cement: after brushing cement paste followed by the mortar that lays cement, between ash cake or between mark muscle by mortar paving evenly, then with wooden darby by ash cake or mark muscle height and strike off;
(8) wood float is rubbed with the hands flat: after wooden darby strikes off, rub with the hands and put down immediately with wood float, from inside to outside moving back and operating, and checking its planeness with 2 m guiding rulers;
(9) plasterer's trowel press polish;
(10) maintenance: 24h after ground press polish completion, paving sawdust or other material cover watering maintenance, keep moistening, and the time of maintenance is greater than 7d.
Wherein: the operation of described step (nine) is: first pass press polish, after wood float is floating, with plasterer's trowel, press first pass immediately, until pulp; Second time press polish, after the initial set of surface layer mortar, presses second time with plasterer's trowel, and limit is smeared flanging hole recess is filled and led up; The 3rd time press polish carried out in the 3rd time press polish before cement mortar final set, with plasterer's trowel, smearing stay while pressing whole for second time, smears line pressing, compacting and press polish.
Must the ash cleaning of the cake of plastering is clean moistening with watering before described step (six) brushing.
In described step (five), cement adopts portland cement or Portland cement, and its strength grade is higher than 32.5, and sand should be medium coarse sand, and mud content is less than 3%.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.
Claims (5)
1. a construction method for cement mortar surface levelling, is characterized in that, comprises the steps:
(1) base treatment: the dust in Xian Jiang basic unit is swept, with wire brush and chisel outwash, pick grey laitance coating and ash bed, brushes off the greasy dirt in basic unit with 10% the caustic soda aqueous solution, and in time alkali lye is washed down with clear water;
(2) look for absolute altitude snap the line: according to horizon on wall, down measure surface layer absolute altitude, and bullet on the wall;
(3) sprinkle water moistening: with watering can by ground layer uniform sprinkling one time;
(4) plaster cake and mark muscle: according to the surface layer absolute altitude horizon of bullet on surrounding wall in room, determine finish coat thickness, then draw horizon to start the cake of plastering, anyhow spacing is 1.5～2.0m, on ash cake, plane is ground surface layer absolute altitude, smears mark muscle, and cement mortar is layered between ash cake, width is identical with ash cake, with wood float bat, smears into equal consistent with ash cake upper surface;
(5) stir mortar: cement mortar adopts cement and the sand of volume ratio 1:2, and its denseness is less than 35 ㎜, and strength grade is greater than M15, use mixer to stir, solid colour;
(6) swabbing mud setting course: brushing cement paste one deck before laying cement mortar, its water/binder ratio is 0.4～0.5, with brushing with paving layer mortar;
(7) mortar surface layer that lays cement: after brushing cement paste followed by the mortar that lays cement, between ash cake or between mark muscle by mortar paving evenly, then with wooden darby by ash cake or mark muscle height and strike off;
(8) wood float is rubbed with the hands flat: after wooden darby strikes off, rub with the hands and put down immediately with wood float, from inside to outside moving back and operating, and checking its planeness with 2 m guiding rulers;
(9) plasterer's trowel press polish;
(10) maintenance: 24h after ground press polish completion, paving sawdust or other material cover watering maintenance, keep moistening, and the time of maintenance is greater than 7d.
2. the construction method of cement mortar surface levelling according to claim 1, is characterized in that, the operation of described step (nine) is: first pass press polish, after wood float is floating, with plasterer's trowel, press first pass immediately, until pulp; Second time press polish, after the initial set of surface layer mortar, presses second time with plasterer's trowel, and limit is smeared flanging hole recess is filled and led up; The 3rd time press polish carried out in the 3rd time press polish before cement mortar final set, with plasterer's trowel, smearing stay while pressing whole for second time, smears line pressing, compacting and press polish.
3. the construction method of cement mortar surface levelling according to claim 1, is characterized in that, in described step (four), finish coat thickness is 20-30mm.
4. the construction method of cement mortar surface levelling according to claim 1, is characterized in that, must the ash cleaning of the cake of plastering is clean moistening with watering before described step (six) brushing.
5. the construction method of cement mortar surface levelling according to claim 1, is characterized in that, in described step (five), cement adopts portland cement or Portland cement, and its strength grade is higher than 32.5, and sand should be medium coarse sand, and mud content is less than 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154459.2A CN104120860A (en) | 2013-04-28 | 2013-04-28 | Construction method for cement mortar ground leveling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154459.2A CN104120860A (en) | 2013-04-28 | 2013-04-28 | Construction method for cement mortar ground leveling |
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| Publication Number | Publication Date |
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| CN104120860A true CN104120860A (en) | 2014-10-29 |
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| CN201310154459.2A Pending CN104120860A (en) | 2013-04-28 | 2013-04-28 | Construction method for cement mortar ground leveling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801504A (en) * | 2016-12-30 | 2017-06-06 | 苏州麦垛信息科技有限公司 | A kind of construction technology of ground tile paving |
| CN107386416A (en) * | 2017-07-31 | 2017-11-24 | 中国十七冶集团有限公司 | A kind of basement boulder is from draining construction method of ground |
| CN108264291A (en) * | 2017-01-03 | 2018-07-10 | 五冶集团上海有限公司 | One kind is misfired concrete pouring construction method |
| CN109057356A (en) * | 2018-08-02 | 2018-12-21 | 上海聚通装饰集团有限公司 | A kind of fine leveling method of ground flat degree |
| CN109138353A (en) * | 2017-06-15 | 2019-01-04 | 五冶集团上海有限公司 | A kind of dry cement mortar surface construction method |
| CN113738061A (en) * | 2021-09-13 | 2021-12-03 | 中建八局第三建设有限公司 | Construction method of thin-layer composite heat-insulation terrace with foamed concrete plate |
-
2013
- 2013-04-28 CN CN201310154459.2A patent/CN104120860A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801504A (en) * | 2016-12-30 | 2017-06-06 | 苏州麦垛信息科技有限公司 | A kind of construction technology of ground tile paving |
| CN108264291A (en) * | 2017-01-03 | 2018-07-10 | 五冶集团上海有限公司 | One kind is misfired concrete pouring construction method |
| CN109138353A (en) * | 2017-06-15 | 2019-01-04 | 五冶集团上海有限公司 | A kind of dry cement mortar surface construction method |
| CN107386416A (en) * | 2017-07-31 | 2017-11-24 | 中国十七冶集团有限公司 | A kind of basement boulder is from draining construction method of ground |
| CN109057356A (en) * | 2018-08-02 | 2018-12-21 | 上海聚通装饰集团有限公司 | A kind of fine leveling method of ground flat degree |
| CN113738061A (en) * | 2021-09-13 | 2021-12-03 | 中建八局第三建设有限公司 | Construction method of thin-layer composite heat-insulation terrace with foamed concrete plate |
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Application publication date: 20141029 |