CN104631829B - Technique for high-precision leveling of structural flooring - Google Patents

Technique for high-precision leveling of structural flooring Download PDF

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Publication number
CN104631829B
CN104631829B CN201410856136.2A CN201410856136A CN104631829B CN 104631829 B CN104631829 B CN 104631829B CN 201410856136 A CN201410856136 A CN 201410856136A CN 104631829 B CN104631829 B CN 104631829B
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floating screed
concrete
template
flooring
levelling
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CN104631829A (en
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王蕴
黄江敏
陈曲波
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Dongguan Vanke Architectural Technology Research Co Ltd
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Dongguan Vanke Architectural Technology Research Co Ltd
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Abstract

The invention provides a technique for high-precision leveling of structural flooring. The technique comprises the steps of a, fixing multiple screeding parts to a template, wherein the height of the screeding parts is matched with the thickness of a concrete layer, each screeding part is provided with a horizontal top surface, and the multiple screeding parts are evenly distributed on the upper surface of the template; b, conducting pouring with the top surfaces of the screeding parts as the base level of concreting, and making the upper surface of the concrete layer flush with or higher than the top surfaces of the screeding parts; c, leveling the upper surface of poured concrete with the top surfaces of the screeding parts as the benchmark before concrete setting. According to the technique, the screeding parts are poured into concrete and serve as the benchmark of concrete pouring and leveling, thickness consistency of the structural flooring is guaranteed on the premise that the strength of the concrete structural flooring is guaranteed, the flatness of the concrete ground can be controlled to be within 5 mm, leveling technique is simplified greatly, and leveling efficiency is improved.

Description

The levelling technique of structure flooring high accuracy
Technical field
A kind of the present invention relates to the realm of building construction, more particularly, it relates to the levelling technique of structure flooring high accuracy.
Background technology
Screed-coat be due to structure sheaf concreting exist be uneven or the gradient and carry out the basic unit of levelling laying, pass The flooring construction of system is general all specially to arrange screed-coat, is easy to surface construction and ensures flatness after flooring construction.Building () The traditional construction technique of face screed-coat be first cleaning structured base layer surface, then brush lean concrete grout, do ash cake, floating screed, after use water Cement mortar bottoming is levelling.This construction method is more numerous and diverse, and the problems such as floor empty drum, dusting easily, and constructs Long in time limit.
With the fast development of economic construction, the application on cast-in-place one-shot forming concrete building ground gets more and more.Cast-in-place In the construction on one-shot forming concrete building ground, the control of each floor plate ground flat degree, be such engineering construction emphasis and Difficult point.
Current terrace leveling method, topmost two kinds are:
(1) using mattess, nearby overhead part provides absolute altitude hanging wire, then presses elevation line levelling;
(2) substrate is utilized to control concrete ground face thickness, to ensure the flatness on ground.
Although both the above method is the more commonly used, for the armored concrete ground of high-precision requirement, due to top Protective layer too small it has not been convenient to install surface level-meter, therefore once levelling do not reach level requirements it is necessary to carry out secondary levelling, this is significantly Increased cost, and reduce efficiency of construction.
Content of the invention
The technical problem to be solved in the present invention is, for above-mentioned construction method complex process, less efficient, cost relatively High problem, provides a kind of structure flooring high accuracy levelling technique.
The technical scheme that the present invention solves above-mentioned technical problem is to provide a kind of levelling technique of structure flooring high accuracy, Comprise the following steps:
A the floating screed part that multiple height are matched with concrete layer thickness is fixed to template by (), described floating screed part has water Flat top surface and multiple floating screed part are evenly distributed on the upper surface of template, and described floating screed part is the prismatic table shape or prismatic of hollow, And the side of this floating screed part have for concrete flow into opening, top surface there is pore;
B () datum level with the top surface of described floating screed part as casting concrete is poured in template, make described coagulation The upper surface of soil layer is equal to or higher than the top surface of floating screed part;
(c) before described concrete setting, the upper surface to the concrete pouring on the basis of the top surface of described floating screed part Carry out levelling.
In the levelling technique of structure flooring of the present invention high accuracy, being spaced apart between adjacent floating screed part 1500mm~2000mm, and the distance positioned at the floating screed part distance template edge at edge is more than 150mm.
In the levelling technique of structure flooring of the present invention high accuracy, each described floating screed part is provided with nut, and This floating screed part passes through to pass through template below template and be threadedly coupled to being bolted to template of nut.
In the levelling technique of structure flooring of the present invention high accuracy, the bottom of described floating screed part has multiple Foot, and prop up in template upper surface by the plurality of leg, the gap of described leg constitutes the opening flowing into for concrete.
In the levelling technique of structure flooring of the present invention high accuracy, the central authorities of described floating screed part have vertical setting And the bolt block for penetrating for bolt, the top of described bolt block has recessed floating screed part top surface the spiral shell for installing nut Female seat.
In the structure flooring of the present invention levelling technique of high accuracy, the periphery of the side wall of described floating screed part has many Individual horizontally disposed capillary groove, and multiple capillary groove is at the differing heights of floating screed part.
In the structure flooring of the present invention levelling technique of high accuracy, the top surface of each described floating screed part is additionally provided with logical In groove, and step (a), multiple floating screed parts are fixed in template in groove direction identical mode;Described step (b) includes: Cross bar is set up between the adjacent floating screed part arranging along groove direction before casting concrete, and the top surface of described cross bar and floating screed The top surface of part flushes.
In the levelling technique of structure flooring of the present invention high accuracy, in described step (b), before casting concrete Also include: in upper surface colligation bottom muscle, the gluten of described template.
In the levelling technique of structure flooring of the present invention high accuracy, described step (c) includes:
(c1), before final set after described concrete initial set, it is adopted as thick stick chi or planker on the basis of the top surface of floating screed part to mixed The upper surface of solidifying soil carries out slightly levelling;
(c2) using trowel, the upper surface of described concrete is carried out with smart levelling and press polish.
The levelling technique of structure flooring high accuracy of the present invention, by being poured into floating screed part in concrete, and as mixed Solidifying soil pours and levelling benchmark, it is ensured that structure flooring thickness one while ensureing xoncrete structure flooring intensity Cause, and the flatness of mattess can be controlled within 5mm, and greatly simplify levelling technique, improve levelling operation effect Rate.
Brief description
Fig. 1 is the schematic flow sheet of the levelling process example of present configuration flooring high accuracy.
Fig. 2 is the schematic diagram in template upper table EDS maps for the floating screed part.
Fig. 3 is the schematic diagram of floating screed part bottom in Fig. 2.
Fig. 4 is the schematic diagram at floating screed part top in Fig. 2.
Fig. 5 is the schematic diagram in the section of floating screed part in Fig. 2.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and It is not used in the restriction present invention.
As shown in figure 1, being the schematic diagram of the levelling process example of present configuration flooring high accuracy, it can be applicable to no The building structure flooring needing screed-coat pours.The method comprises the following steps:
Step s11: the floating screed that multiple height are matched with concrete layer (building structure flooring to be poured) thickness Part is fixed to template.Above-mentioned floating screed part is made up of engineering plastics etc., and has the top surface of level and the plurality of floating screed part uniformly divides Cloth is in the upper surface of template.
Step s12: the datum level with the top surface of floating screed part as casting concrete carries out concreting in template, is used in combination Vibrator jolt ramming it is ensured that after concrete layer jolt ramming its upper surface be equal to or a little higher than floating screed part top surface (such as concrete floor height In floating screed part top surface 5mm) floating screed part is cast in concrete layer, as a part for concrete layer.
In this step, also including before casting concrete need to be at the upper surface colligation bottom muscle of template, gluten etc., above-mentioned bottom Muscle, gluten equally pour in concrete layer, as a part for concrete layer.
Step s13: before concrete setting, on the basis of the top surface of floating screed part, the upper surface of the concrete pouring is carried out Levelling.
Specifically, before this step mays include: final set after concrete initial set, on the basis of the top surface of floating screed part, it is adopted as thick stick Chi or planker carry out slightly levelling to the upper surface of concrete;Then using trowel the upper surface of concrete layer is carried out essence levelling with And press polish.
The said structure flooring levelling technique of high accuracy, by the top mark of floating screed part control structure building concrete layer high and its The flatness on surface, eliminates screed-coat, it is to avoid first clears up structured base layer surface, then brush lean concrete grout, does ash cake, floating screed etc. Work progress simplifies construction technology, has saved construction cost, avoid simultaneously set up screed-coat easily occur floor empty drum, rise The technical problem of sand etc..
As shown in Fig. 2 in the levelling technique of above-mentioned structure flooring high accuracy, it is fixed on the rushing of upper surface of template 10 The square latticed form of rib 20 is uniformly distributed, and is spaced apart 1500mm~2000mm, position between adjacent floating screed part 20 Distance in floating screed part 20 distance template 10 edge at edge is more than 150mm.According to test, the floating screed part being distributed by the way 20, the flatness of the structure flooring after can making to pour controls within 5mm (using the measurement of 2m guiding ruler).
Above-mentioned each floating screed part 20 is provided with nut, and this floating screed part 20 passes through to pass through template 10 spiral shell from template 10 lower section Stricture of vagina is connected to being bolted in template 10 of nut.
As in Figure 3-5, be floating screed part 20 in Fig. 2 structural representation.This floating screed part 20 is prismatic table shape or the rib of hollow Cylindricality (the truncated rectangular pyramids shape for example shown in figure), and the side of this floating screed part 20 have for concrete flow into opening, top surface tool There is pore 24.
In casting concrete, the opening from floating screed part 20 side for the concrete enters the cavity of floating screed part 20, and by punching Pore 24 air-out of rib 20 top surface, it is to avoid there is bubble in concrete layer and affect structural strength.According to test, and do not bury If the mode of floating screed part is compared, the structural strength being embedded with the concrete layer of floating screed part 20 is constant.
The bottom of above-mentioned floating screed part 20 can have multiple legs 22, and by the plurality of leg 22 in template 10 upper table Face.The gap of above-mentioned leg 22 constitutes the opening flowing into floating screed part 20 internal cavity for concrete.Specifically, when floating screed part 20 is four When terrace with edge or four prism type, respectively there is a leg 22 the bottom corner of this floating screed part 20, and each leg 22 is by floating screed part 20 Two sides are downwardly extending.
Especially, the central authorities of above-mentioned floating screed part 20 have and vertical arrange and be used for the bolt block 21 penetrating for bolt, this spiral shell The bottom of bolt seat 21 is located at same level with the bottom of leg 22, and the top of this bolt block has the top of recessed floating screed part 20 Face 23 nut seat 26 for installing nut.So, the bolt for fixed punch rib 20 is worn successively from the bottom of template 10 Cross template 10, bolt block 21 is entered nut seat 26, and is connected with the nut thread in nut seat 26, realizes the installation of floating screed part 20 Fixing.
When implementing, floating screed part 20 may also be employed other modes and fixes.
For not affecting the water resistance of structure flooring (being embedded with the concrete layer of floating screed part 20), in floating screed part 20 The periphery of side wall can arrange the capillary groove 27 (being illustrated as 3) of multiple levels, and the plurality of capillary groove 27 is located at floating screed part Differing heights at.
Additionally, the top surface 23 of above-mentioned floating screed part 20 also can arrange groove 25, and in step s11 of Fig. 1, multiple floating screeds Part is fixed in template in groove direction identical mode;And include in step s12: along groove 25 before casting concrete Cross bar (after the completion of bottom muscle, gluten colligation) is set up between the adjacent floating screed part of direction setting, and the top surface of cross bar and floating screed part Top surface flush.So, in step s13, according to cross bar, the upper surface of concrete layer can be carried out levelling.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims It is defined.

Claims (9)

1. a kind of levelling technique of structure flooring high accuracy it is characterised in that: comprise the following steps:
A the floating screed part that multiple height are matched with concrete layer thickness is fixed to template by (), described floating screed part has level Top surface and multiple floating screed part are evenly distributed on the upper surface of template;Described floating screed part is the prismatic table shape or prismatic of hollow, and should The side of floating screed part have for concrete flow into opening, top surface there is pore;
B () datum level with the top surface of described floating screed part as casting concrete is poured in template, make described concrete layer Upper surface be equal to or higher than floating screed part top surface;
C (), before described concrete setting, is carried out to the upper surface of the concrete pouring on the basis of the top surface of described floating screed part Levelling.
2. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: between adjacent floating screed part Be spaced apart 1500mm~2000mm, and be located at the distance at the floating screed part distance template edge at edge and be more than 150mm.
3. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: on each described floating screed part It is provided with nut, and this floating screed part passes through to pass through template below template and is threadedly coupled to being bolted to template of nut.
4. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: the bottom of described floating screed part There are multiple legs, and prop up in template upper surface by the plurality of leg, the gap of described leg is constituted for concrete inflow Opening.
5. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: the central authorities of described floating screed part Have vertical arrange and be used for the bolt block penetrating for bolt, the top of described bolt block has recessed floating screed part top surface and is used for The nut seat of installing nut.
6. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: the side wall of described floating screed part Periphery there are multiple horizontally disposed capillary grooves, and multiple capillary groove is at the differing heights of floating screed part.
7. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: each described floating screed part Top surface is additionally provided with groove, and in step (a), multiple floating screed parts are fixed in template in groove direction identical mode;Described step B () includes: set up cross bar between the adjacent floating screed part arranging along groove direction before casting concrete, and described cross bar Top surface flush with the top surface of floating screed part.
8. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: in described step (b), Also include before casting concrete: in upper surface colligation bottom muscle, the gluten of described template.
9. the levelling technique of structure flooring according to claim 1 high accuracy it is characterised in that: described step (c) includes:
(c1), before final set after described concrete initial set, it is adopted as thick stick chi or planker on the basis of the top surface of floating screed part to concrete Upper surface carry out slightly levelling;
(c2) using trowel, the upper surface of described concrete is carried out with smart levelling and press polish.
CN201410856136.2A 2014-12-31 2014-12-31 Technique for high-precision leveling of structural flooring Active CN104631829B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484434B (en) * 2015-12-16 2017-07-18 中国建筑第二工程局有限公司 The levelling Rotating fields of large span taper roofing and its construction method
CN107762154A (en) * 2017-10-25 2018-03-06 宝鸡市铭坤有色金属有限公司 It is a kind of to be used for levelling laser aid
CN109881550A (en) * 2019-03-18 2019-06-14 广州市第四装修有限公司 Anti- hollowing construction method of ground

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590614A1 (en) * 1985-11-26 1987-05-29 Sabaty Daniel Pattens for the pouring of concrete floors
CN2251011Y (en) * 1996-05-15 1997-04-02 张扬聪 Leveller
CN2799743Y (en) * 2005-06-21 2006-07-26 杨清晨 Cast-in-place concrete precise regulator and controller
CN100516436C (en) * 2007-11-16 2009-07-22 通州建总集团有限公司 Device for controlling concrete thickness
CN103184796B (en) * 2013-03-19 2015-11-18 中国建筑土木建设有限公司 The accurate leveling unit in cast-in-place one-shot forming concrete building ground and construction method thereof
CN203547151U (en) * 2013-10-24 2014-04-16 中建八局大连建设工程有限公司 Ground leveling tool
CN203905503U (en) * 2014-06-17 2014-10-29 中石化第十建设有限公司 Upper surface leveling device for large-area and large-section steel reinforced concrete pouring construction

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