CN105986676A - Control system for flatness of large-span concrete floor and use method - Google Patents
Control system for flatness of large-span concrete floor and use method Download PDFInfo
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- CN105986676A CN105986676A CN201610531151.9A CN201610531151A CN105986676A CN 105986676 A CN105986676 A CN 105986676A CN 201610531151 A CN201610531151 A CN 201610531151A CN 105986676 A CN105986676 A CN 105986676A
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- concrete floor
- control system
- laser leveler
- construction
- flatness control
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a flatness control system for a large-span concrete floor and a use method. The flatness control system comprises a horizontal scraping ruler, a laser level meter and a corner ruler, wherein a short side of the corner ruler is fixed on the horizontal scraping ruler, and a long side of the corner ruler is vertical to the horizontal scraping ruler. The flatness control system and the use method are applicable to the construction of the large-span concrete floor. The flatness control system is simple in structure, convenient to operate and high in control precision, the number of detection and construction workers is decreased, the construction efficiency is improved, the consumption of concrete is saved, and the construction cost is lowered.
Description
Technical field
The present invention relates to technical field of concrete, particularly relate to a kind of large-span concrete floor flatness control system and using method.
Background technology
At present, the surface smoothness to xoncrete structure for the architectural engineering requires more and more higher, and when building structure floor slab construction, the flatness of structure floor is difficult to reach design and code requirement.
Existing flatness control methods is following two: marks absolute altitude on wall column reserved steel bar and controls or draw elevation line control, i.e. gets method ready, draws logical collimation method.
For drawing logical collimation method, owing to the randomness of operating personnel is too big and operating technology level differs, have a strong impact on the precision of measurement, especially the big concrete floor of span.
For getting method ready, control point is very few, it is difficult to accurately controls the flatness of concrete floor, when especially floor area is big, needs to arrange multiple control point, and each control point needs accurately measurement absolute altitude, then makes, takes time and effort；The protection difficulty at other control point is big, easily destroyed at the scene；For concrete floor thickness of slab bigger when, be not suitable for use and get method ready.
Therefore, the flatness control system that design a kind of is applicable to large-span concrete floor, simple to operate, control accuracy is high and using method are needed badly.
Content of the invention
It is an object of the invention to for above-mentioned technical problem, provide large-span concrete floor flatness control system and using method, it is applicable to the construction of large-span concrete floor, its simple in construction, easy to operate, control accuracy is high, decrease detection, the quantity of construction workmen, improve efficiency of construction, and save the usage amount of concrete, reduce construction cost.
Technical scheme
For solving above-mentioned technical problem, the large-span concrete floor flatness control system of present invention offer, including Horizontal scrapping rule, laser leveler and turning chi；The minor face of turning chi is fixed on Horizontal scrapping rule, and the long limit of turning chi is vertical with Horizontal scrapping rule.
Further, the quantity of described turning chi has two pieces, is separately positioned on the end of Horizontal scrapping rule, and the length that turning chi stretches out Horizontal scrapping rule is consistent.
Further, the quantity of described laser leveler and the dimensional fits of construction concrete floor are arranged, and the distance between adjacent laser level meter is not more than 60m.
Disclosed herein as well is the using method of large-span concrete floor flatness control system, specifically include following steps:
S1, according to the size of construction concrete floor, determines the quantity of laser leveler；
S2, selects fixing point, fixes laser leveler, and the height of the thickness regulation laser leveler according to concrete floor；
S3, the light plane that laser leveler is formed is level reference, adjusts the levelness of level reference；
S4, checks the levelness of level reference；
S5, uses the scale on turning Chi Chang limit, adjusts the construction height of Horizontal scrapping rule, the concrete on the low floor of shovel height pad.
Further, in step S2-S3, level reference and the distance in concrete floor formation face that laser leveler is formed are 200-300mm.
Further, in step s 4, high-precision level or transparent PHC horizontal tube is used to check the levelness of level reference.
The method have the benefit that
The large-span concrete floor flatness control system of present invention offer and using method are applicable to the construction of large-span concrete floor, its simple in construction, easy to operate, control accuracy is high, decrease detection, the quantity of construction workmen, improve efficiency of construction, and save the usage amount of concrete, reduce construction cost.
(1) simple in construction, easy to operate, detection is quick.Draw logical collimation method compared to tradition, during concreting, use the method for laser leveler control to be not necessarily to other bracing wire, can observe at any time during levelling construction, the speed of detection has been effectively ensured；Additionally all can detect whenever and wherever possible, effectively increase the quantity of test point.
(2) human cost is saved.Tradition draws logical collimation method it is generally required to two people's bracing wire control height, and another one people detects；Tradition gets the general 2-3m of method ready i.e. to be needed to arrange a control point guarantee precision, when floor area is bigger, needs to expend the substantial amounts of making being manually controlled a little and safeguards.Using the method for laser leveler control flatness, laser leveler spacing can reach 60m and arranges at one, decreases the quantity at control point；When measurement, operating personnel can shovel height and pad low, complete to construct accordingly.
(3) human intervention of personnel is decreased, it is ensured that construction precision.Use the method for laser leveler control flatness, all applicable for normal concrete floor and steel construction composite floor with profiled steel sheet, it is particularly suited for the floor of large area large span.Whole floor face all can control in the measurement of the levelling limit in limit, substantially without measurement control dead angle；Whole plate face elevation control datum level is consistent, both can ensure the flatness of floor local, also can control whole floor face absolute altitude, effectively reduces human error, improve construction precision.
(4) construction material cost is saved.Using laser leveler control concrete building plate flatness, construction precision improves, reduces the quantity of super punctuation bit, decrease the input of concrete material, thus reduce construction material cost.
Brief description
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will be apparent from and be easier to understand, and these accompanying drawings simply schematically, are not limiting as the present invention, wherein:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that schematic diagram fixed by the turning chi of the present invention；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the schematic diagram of the levelling level reference of turning chi；
Fig. 5 is the schematic diagram of the concrete floor after construction completes.
In accompanying drawing, the parts representated by each label are as follows:
1. laser leveler；2. Horizontal scrapping rule；3. turning chi.
Detailed description of the invention
It is described in detail below in conjunction with large-span concrete floor flatness control system and using method to the present invention for the specific embodiments and the drawings.
The embodiment recorded at this is the specific detailed description of the invention of the present invention, for the design of the present invention is described, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.In addition to the embodiment recorded at this, those skilled in the art can also use other technical schemes obvious based on the application claims and specification disclosure of that, and these technical schemes include using the technical scheme making any obvious substitutions and modifications to the embodiment recorded at this.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part and correlation thereof.Note that the structure of each parts for the ease of clearly showing the embodiment of the present invention, do not draw according to identical ratio between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1 to Fig. 5 is the accompanying drawings of large-span concrete floor flatness control system of the present invention and using method.
Large-span concrete floor flatness control system shown in Fig. 1 includes laser leveler 1 and Horizontal scrapping rule 2.
Large-span concrete floor flatness control system also includes turning chi 3, and Fig. 2 is that schematic diagram fixed by the turning chi of the present invention, and the minor face of turning chi 3 is fixed on Horizontal scrapping rule 2 by outer-hexagonal Self Drilling Screws, and the long limit of turning chi 3 is vertical with Horizontal scrapping rule 2；The scale of turning chi 3 is outside, to facilitate the scale reading on turning chi 3.
The quantity of described turning chi 3 has two pieces, is separately positioned on the end of Horizontal scrapping rule 2, and the length that turning chi 3 stretches out Horizontal scrapping rule 2 is consistent；Fig. 3 is the left view of Fig. 2, from the figure 3, it may be seen that turning chi 3 is fixed on the same side of Horizontal scrapping rule 2.
The quantity of described laser leveler 1 is arranged with the dimensional fits of construction concrete floor, and the distance between adjacent laser level meter 1 is not more than 60m.This is because laser leveler 1 projects scope all can guarantee that higher precision within 30m, within super punctuation bit can be controlled in 5%.
The using method of a kind of large-span concrete floor flatness control system, specifically includes following steps:
S1, according to the size of construction concrete floor, determines the quantity of laser leveler 1；
Concrete, owing to the distance between adjacent laser level meter 1 is not more than 60m, the flatness of concrete floor can ensure that higher precision, according to the size of concrete floor, can rationally determine the quantity of laser leveler 1.
S2, selects fixing point, fixes laser leveler 1, and the height of the thickness regulation laser leveler 1 according to concrete floor；
Specifically, at the construction field (site), (can include concrete column and steel column) on pillar and arrange support, it is also possible to arrange fixed platform separately, the installation for laser leveler is fixed.
When the distance that the level reference that laser leveler 1 is formed and concrete floor form face is 200-300mm, the flatness of concrete floor can ensure that higher precision, therefore, by both distance controlling within this range.
S3, the light plane that laser leveler 1 is formed is level reference, adjusts the levelness of level reference；
Specifically, regulate three pin of laser leveler 1, make bubble placed in the middle, it is ensured that the light plane level that laser leveler 1 is formed.
According to the size of floor area, several laser leveler 1 is set, it is ensured that whole floor face all can cover laser beam more；Considering instrument self precision, the level error of projection distance excessive laser leveler 1 projection is relatively big, needs to arrange a few place more, uses level measurement nearby can reduce error.
S4, checks the levelness of level reference；
Specifically, generally use high-precision level or the levelness of level reference checked by transparent PHC horizontal tube.
High-precision level specifically checks method: set up after adjusting spirit level, uses Sopwith staff to coordinate, and align bottom Sopwith staff laser level datum level, and whether measurement each point top reading is consistent, and pointwise examines laser leveler level reference whether on same absolute altitude.
Method specifically checked by PHC horizontal tube: pour water in PHC tubule, until close to two ends, according to law of connected vessels, one end liquid level making PHC horizontal tube by one point of laser leveler level reference and is fixed, then move the other end liquid level of pipe to other points, it whether is respectively positioned on level reference according to two ends liquid level, judge that whether 2 absolute altitudes are consistent.Become face principle according to 3, it is desirable to the absolute altitude of not three points on the same line at least checked by every laser leveler, must ensure that the overall projection surface of each laser leveler 1 is generally aligned in the same plane.
S5, uses the scale on the turning long limit of chi 3, adjusts the construction height of Horizontal scrapping rule 2, the concrete on the low floor of shovel height pad.
Specifically, the light plane projecting according to laser leveler 1, uses the Horizontal scrapping rule 2 with turning chi 3, and in concreting process, with pouring, progress shovel height pad is low, and the moment is accurately levelling.
Fig. 4 is the schematic diagram of the levelling level reference of turning chi, and in this embodiment, level reference and the distance in concrete floor formation face that laser leveler 1 is formed are 200mm.When construction, needing the fixed position of the height according to Horizontal scrapping rule 2 and turning chi 3, the final scale determining turning chi 3 aligns with the light plane that laser leveler 1 projects.Fig. 5 is the schematic diagram of the concrete floor after construction completes.
Large-span concrete floor flatness control system and using method that the present invention provides are applicable to normal concrete floor, roofing and the steel construction composite floor with profiled steel sheet etc. that flatness requirement is higher, span is big, are equally applicable to little span normal concrete floor, the composite floor with profiled steel sheet of routine；Flatness control system simple in construction, easy to operate, control accuracy is high, decreases detection, the quantity of the workmen that constructs, and improves efficiency of construction, and saves the usage amount of concrete, reduces construction cost.
The present invention is not limited to above-mentioned embodiment; anyone can draw other various forms of products under the enlightenment of the present invention; though but in its shape or structure, make any change, every have same as the present application or akin technical scheme, all falls within protection scope of the present invention.
Claims (6)
1. a large-span concrete floor flatness control system, it is characterised in that include laser leveler (1), Horizontal scrapping rule (2), turning chi (3)；The minor face of turning chi (3) is fixed on Horizontal scrapping rule (2), and the long limit of turning chi (3) is vertical with Horizontal scrapping rule (2).
2. large-span concrete floor flatness control system according to claim 1, it is characterised in that the quantity at described turning chi (3) has two pieces, is separately positioned on the end of Horizontal scrapping rule (2), and the length that turning chi (3) stretches out Horizontal scrapping rule (2) is consistent.
3. large-span concrete floor flatness control system according to claim 1, it is characterised in that the quantity of described laser leveler (1) is arranged with the dimensional fits of construction concrete floor, and the distance between adjacent laser level meter (1) is not more than 60m.
4. the using method of large-span concrete floor flatness control system according to claim 1, it is characterised in that comprise the following steps:
S1, according to the size of construction concrete floor, determines the quantity of laser leveler (1)；
S2, selects fixing point, fixes laser leveler (1), and the height of thickness regulation laser leveler (1) according to concrete floor；
S3, the light plane that laser leveler (1) is formed is level reference, adjusts the levelness of level reference；
S4, checks the levelness of level reference；
S5, uses the scale on the long limit in turning chi (3), adjusts the construction height of Horizontal scrapping rule (2), the concrete on the low floor of shovel height pad.
5. the using method of large-span concrete floor flatness control system according to claim 4, it is characterised in that in step S2-S3, the distance that the level reference that laser leveler (1) is formed forms face with concrete floor is 200-300mm.
6. the using method of large-span concrete floor flatness control system according to claim 4, it is characterised in that in step s 4, uses high-precision level or transparent PHC horizontal tube to check the levelness of level reference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531151.9A CN105986676B (en) | 2016-07-07 | 2016-07-07 | A kind of large-span concrete floor flatness control system and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610531151.9A CN105986676B (en) | 2016-07-07 | 2016-07-07 | A kind of large-span concrete floor flatness control system and application method |
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| CN105986676A true CN105986676A (en) | 2016-10-05 |
| CN105986676B CN105986676B (en) | 2018-07-10 |
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| CN201610531151.9A Expired - Fee Related CN105986676B (en) | 2016-07-07 | 2016-07-07 | A kind of large-span concrete floor flatness control system and application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385905A (en) * | 2018-02-12 | 2018-08-10 | 福建闽华防水材料工程有限公司 | A kind of foam concrete roofing gets the construction method for looking for slope ready |
| CN108827232A (en) * | 2018-08-03 | 2018-11-16 | 中国二十冶集团有限公司 | Longspan structure springing quantum rapid measurement device and method |
| CN108844502A (en) * | 2018-06-22 | 2018-11-20 | 中国冶集团有限公司 | A kind of device and method measuring building panel surface evenness |
| CN112196234A (en) * | 2020-10-21 | 2021-01-08 | 林大坤 | Ground and wall leveling device |
| CN113463607A (en) * | 2021-05-27 | 2021-10-01 | 诚业工程科技集团有限公司 | Construction method for controlling flatness precision of large-area building ground |
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| JPH09217492A (en) * | 1996-02-09 | 1997-08-19 | Fujita Corp | Concrete-placing apparatus |
| CN101845893A (en) * | 2009-03-23 | 2010-09-29 | 威克纽森股份有限公司 | Portable vibratory laser screed with remote grade indicator and folding handles |
| CN202280253U (en) * | 2011-10-25 | 2012-06-20 | 曹海文 | Full-automatic laser leveler |
| CN205857744U (en) * | 2016-07-07 | 2017-01-04 | 中国建筑第二工程局有限公司 | A kind of large-span concrete floor flatness control system |
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- 2016-07-07 CN CN201610531151.9A patent/CN105986676B/en not_active Expired - Fee Related
Patent Citations (6)
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| US4752156A (en) * | 1987-01-27 | 1988-06-21 | Owens Joe M | Laser-guided portable screed |
| JPH03275867A (en) * | 1990-03-27 | 1991-12-06 | Kajima Corp | Automatic leveling device for floor surface of building |
| JPH09217492A (en) * | 1996-02-09 | 1997-08-19 | Fujita Corp | Concrete-placing apparatus |
| CN101845893A (en) * | 2009-03-23 | 2010-09-29 | 威克纽森股份有限公司 | Portable vibratory laser screed with remote grade indicator and folding handles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108385905A (en) * | 2018-02-12 | 2018-08-10 | 福建闽华防水材料工程有限公司 | A kind of foam concrete roofing gets the construction method for looking for slope ready |
| CN108844502A (en) * | 2018-06-22 | 2018-11-20 | 中国冶集团有限公司 | A kind of device and method measuring building panel surface evenness |
| CN108827232A (en) * | 2018-08-03 | 2018-11-16 | 中国二十冶集团有限公司 | Longspan structure springing quantum rapid measurement device and method |
| CN112196234A (en) * | 2020-10-21 | 2021-01-08 | 林大坤 | Ground and wall leveling device |
| CN113463607A (en) * | 2021-05-27 | 2021-10-01 | 诚业工程科技集团有限公司 | Construction method for controlling flatness precision of large-area building ground |
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| CN105986676B (en) | 2018-07-10 |
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Granted publication date: 20180710 |