CN101942802A - Two-fabric one-membrane sliding layer paving method and tensioning device thereof - Google Patents
Two-fabric one-membrane sliding layer paving method and tensioning device thereof Download PDFInfo
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- CN101942802A CN101942802A CN 201010512205 CN201010512205A CN101942802A CN 101942802 A CN101942802 A CN 101942802A CN 201010512205 CN201010512205 CN 201010512205 CN 201010512205 A CN201010512205 A CN 201010512205A CN 101942802 A CN101942802 A CN 101942802A
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Abstract
The invention discloses a two-fabric one-membrane sliding layer tensioning device. A two-fabric one-membrane sliding layer (4) comprises a lower geotextile positioned on a bottom layer, a geomembrane positioned on an intermediate layer and an upper geotextile positioned on an upper layer. The two-fabric one-membrane sliding layer tensioning device comprises a tensioner (1) of which one end is fixed on the geomembrane and the upper geotextile while the other end is fixed on a stationary fixing device (2). In the tensioning device, the geomembrane and the geotextile are tensioned by connecting one end of the tensioning device with the geomembrane and the upper geotextile and connecting the other end of the tensioner with the stationary fixing device, so as to ensure the close adhesion of two fabrics and one membrane and effectively solves the problem of blistering of the two fabrics and the one membrane before casting concrete; and the sliding layer has the characteristics of simple structure, easy process and convenient assembly and disassembly. The invention also discloses a two-fabric one-membrane sliding layer paving method using the tensioning device.
Description
Technical field
The present invention relates to CRTS II template formula non-fragment orbit sliding layer laying technology field, more particularly, relate to a kind of two cloth, one film sliding layer laying method and take-up device thereof.
Background technology
China's passenger dedicated railway line development is rapid, and CRTS II template formula non-fragment orbit still belongs to new technology at home, does not have identical experience to use for reference.Two cloth, one film sliding layer is the important step in the unballasted track bed plate construction, lower floor's geotextiles and upper strata geotextiles that it has comprised the geomembrane of water leakage and has laid respectively at geomembrane lower floor and upper strata.
The laying step of two cloth, one film sliding layer generally comprises:
1. bridge floor is thoroughly cleared up, particularly pollutions such as greasy dirt should be cleared up especially, guarantee the bridge floor cleaning;
2. in being coated with brush, scrapes by cementing agent coating adhesive.Cementing agent should be coated with to be scraped evenly, and THICKNESS CONTROL is about 0.5mm, and with being coated with the shop, once brushing length is long when the laying of geotextiles in requirement.At beam-ends shearing teeth groove and geotextiles joint, the both sides (direction across bridge) of Ying Zailiang seam, shearing teeth groove and geotextiles butt joint are respectively brushed the wide cementing agent of 30cm one;
3. the bottom geotechnique is laid to put on the beam face starting point of brushing cementing agent and slowly launch, and scrape on geotextiles with floating rule and to press several times, it is firm that itself and beam face are bondd, and forbids to have had phenomenons such as drum, foaming;
4. geomembrane is launched on lower floor's geotextiles and wipes off, must not be wrinkling, its seam adopts the hot-melt welding machine welding, should avoid damaging lower floor during welding and spread geotextiles;
5. the upper strata geotextiles that on geomembrane, paves, geotextiles continuous monoblock in upper strata is laid;
6. after sliding layer is laid and finished, put bed plate bar shaped concrete pad at the sliding layer end face.
It is more that preceding two cloth of bed plate concreting one film sliding layer plays bulging phenomenon, and the drum phenomenon has appearred in two cloth, one film sliding layer in laying, and its main cause is analyzed as follows:
(1) deposits and cause distortion in the transportation;
(2) two cloth one film sliding layer when construction temperature influence, film should not be sprawled, or low temperature lays that to finish back temperature difference before concreting bigger, caused bulging, be out of shape;
The hollowing phenomenon of two cloth, one film sliding layer will have a strong impact on the construction quality of bed plate, and therefore, out-of-flatness is laid in counteracting, variations in temperature causes the hollowing phenomenon of two cloth, one film to seem very important.
Summary of the invention
In view of this, the invention provides a kind of two cloth, one film sliding layer laying method and take-up device thereof,, reduce of the influence of hollowing phenomenon the bed plate construction quality to avoid the generation of two cloth, one film sliding layer hollowing phenomenon.
For achieving the above object, the invention provides following technical scheme:
A kind of two cloth, one film sliding layer take-up device, described two cloth, one film sliding layer comprises lower floor's geotextiles of being positioned at bottom, be positioned at the geomembrane in intermediate layer and be positioned at the upper strata geotextiles on upper strata, comprise: an end is fixed on described geomembrane and the upper strata geotextiles, and the other end is fixed on the strainer on the fixed fastening devices.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described fastening devices is the WELDING STUDS in the Bridge Beam end shear groove.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, also comprise the clamping plate that are used to clamp described geomembrane and upper strata geotextiles, an end of described strainer links to each other with described clamping plate.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described clamping plate are provided with hangers, and described strainer links to each other with described hangers.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described hangers is two, and two hangers are continuous by rope, and described strainer links to each other with described rope.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described clamping plate are a plurality of, and are evenly distributed on described geomembrane and the upper strata geotextiles.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described clamping plate are 1, and the two ends of these clamping plate are near the both sides of described geomembrane and upper strata geotextiles.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described strainer is extension spring or feed screw apparatus.
Preferably, in above-mentioned two cloth, one film sliding layer take-up device, described strainer is a flower basket bolt.
A kind of two cloth, one film sliding layer laying method after described two cloth, one film sliding layer laying finishes, is installed aforesaid take-up device.
From above-mentioned technical scheme as can be seen, the present invention is connected on geomembrane and the upper strata geotextiles by strainer one end, and the other end is connected the tension that realizes on the fixed fastening devices geomembrane and upper strata geotextiles.Thereby can guarantee the closely connected of two cloth, one film, effectively solve two cloth, one film rising before concreting and rouse phenomenon, and the sliding layer clamp structure be simple, is easy to processing, installs and convenient disassembly.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of two cloth, the one film sliding layer take-up device that Fig. 1 provides for the embodiment of the invention one;
The structural representation of two cloth, the one film sliding layer take-up device that Fig. 2 provides for the embodiment of the invention two;
The structural representation of two cloth, the one film sliding layer take-up device that Fig. 3 provides for the embodiment of the invention three.
The specific embodiment
The invention discloses a kind of two cloth, one film sliding layer laying method and take-up device thereof,, reduce of the influence of hollowing phenomenon the bed plate construction quality to avoid the generation of two cloth, one film sliding layer hollowing phenomenon.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
See also Fig. 1-Fig. 3, the structural representation of two cloth, the one film sliding layer take-up device that Fig. 1 provides for the embodiment of the invention one; The structural representation of two cloth, the one film sliding layer take-up device that Fig. 2 provides for the embodiment of the invention two; The structural representation of two cloth, the one film sliding layer take-up device that Fig. 3 provides for the embodiment of the invention three.
Wherein, 1 is strainer, and 2 is fastening devices, and 3 is clamping plate, and 4 is two cloth, one film sliding layers, and 5 is rope.
Two cloth, one film sliding layer 4 comprises lower floor's geotextiles of being positioned at bottom, be positioned at the geomembrane in intermediate layer and be positioned at the upper strata geotextiles on upper strata, two cloth, one film sliding layer take-up device provided by the invention, comprise: an end is fixed on described geomembrane and the upper strata geotextiles, and the other end is fixed on the strainer 1 on the fixed fastening devices 2.Need to prove, fastening devices 2 is fixed devices, and fastening devices 2 is connected by strainer 1 with the upper strata geotextiles with the geomembrane that sticks together, and strainer 1 has the pretension function, can regulate the distance between the two, guarantee that geomembrane and upper strata geotextiles are in tensioning state.
In sum, the present invention is connected on geomembrane and the upper strata geotextiles by strainer 1 one ends, and the other end is connected the tension that realizes on the fixed fastening devices 2 geomembrane and upper strata geotextiles.Thereby can guarantee the closely connected of two cloth, one film, effectively solve two cloth, one film rising before concreting and rouse phenomenon, and the sliding layer clamp structure be simple, is easy to processing, installs and convenient disassembly.
Preferably, fastening devices 2 can be chosen as the WELDING STUDS in the Bridge Beam end shear groove.By selecting for use WELDING STUDS as fastening devices 2 of the present invention, can save the step of making fastening devices, directly strainer 1 is connected WELDING STUDS and gets final product.
Further, in order to optimize technique scheme, take-up device provided by the invention also comprises the clamping plate 3 that are used to clamp described geomembrane and upper strata geotextiles, and an end of described strainer 1 links to each other with described clamping plate 3.Clamping plate 3 are that the two boards body forms, and the top and bottom that the two boards body places geomembrane and upper strata geotextiles respectively add geomembrane and upper strata geotextiles holds, and the two boards body passes through bolton.
Preferably, clamping plate 3 are provided with hangers, and described strainer 1 links to each other with described hangers.Hangers is provided with in the connection of strainer 1 for convenience, can easily the hook hook be located at the connection that realizes the two on the hangers as hook is set on strainer 1.
In order to make strainer 1 more even with being connected of clamping plate 3, hangers is preferably two, and two hangers are continuous by rope 5, and described strainer 1 links to each other with described rope.Make strainer 1 be connected with clamping plate 3 uniformly by rope 5 and two hangers, avoided geomembrane and the skew of upper strata geotextiles that the tightening force skew of 1 pair of clamping plate 3 of strainer causes or be torn.
Clamping plate 3 are for being evenly distributed in a plurality of on described geomembrane and the upper strata geotextiles, also can be 1, when clamping plate 3 are one, make the both sides of the two ends of clamping plate 3 near described geomembrane and upper strata geotextiles, promptly the length of these clamping plate is near the width of described geomembrane and upper strata geotextiles.If a plurality of clamping plate 3 are set on the width of geomembrane and upper strata geotextiles, then the length of clamping plate 3 is shorter, if be provided with one, then the length of clamping plate 3 is longer.The length of clamping plate 3 can design according to actual needs voluntarily.
The present invention also provides a kind of two cloth, one film sliding layer laying method, comprises step:
(1) bridge floor is thoroughly cleared up, particularly pollutions such as greasy dirt should be cleared up especially, guarantee the bridge floor cleaning;
(2) in being coated with brush, scrapes by cementing agent coating adhesive;
Cementing agent should be coated with to be scraped evenly, and THICKNESS CONTROL is about 0.5mm, and with being coated with the shop, once brushing length is long when the laying of geotextiles in requirement.At beam-ends shearing teeth groove and geotextiles joint, the both sides (direction across bridge) of Ying Zailiang seam, shearing teeth groove and geotextiles butt joint are respectively brushed the wide cementing agent of 30cm one.
(3) the bottom geotechnique is laid put on the beam face starting point of brushing cementing agent and slowly launch, and scrape on geotextiles with floating rule and to press several times, it is firm that itself and beam face are bondd, and forbids to have had phenomenons such as drum, foaming;
(4) geomembrane is launched on lower floor's geotextiles and wipes off, must not be wrinkling, its seam adopts the hot-melt welding machine welding, should avoid damaging lower floor during welding and spread geotextiles;
(5) the upper strata geotextiles that on geomembrane, paves, geotextiles continuous monoblock in upper strata is laid;
(6) after sliding layer is laid and finished, put bed plate bar shaped concrete pad at the sliding layer end face;
(7) when two cloth, one film sliding layer lay finish after, two cloth, one film sliding layer take-up device recited above is installed, and geomembrane and upper strata geotechnique's charity are added prestressing force strains.
Each embodiment adopts the mode of going forward one by one to describe in this manual, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. cloth one film sliding layer take-up device, described two cloth, one film sliding layer (4) comprises lower floor's geotextiles of being positioned at bottom, be positioned at the geomembrane in intermediate layer and be positioned at the upper strata geotextiles on upper strata, it is characterized in that, comprise: an end is fixed on described geomembrane and the upper strata geotextiles, and the other end is fixed on the strainer (1) on the fixed fastening devices (2).
2. two cloth, one film sliding layer take-up device as claimed in claim 1 is characterized in that described fastening devices (2) is the WELDING STUDS in the Bridge Beam end shear groove.
3. two cloth, one film sliding layer take-up device as claimed in claim 1 is characterized in that, also comprises the clamping plate (3) that are used to clamp described geomembrane and upper strata geotextiles, an end of described strainer (1) link to each other with described clamping plate (3).
4. two cloth, one film sliding layer take-up device as claimed in claim 3 is characterized in that described clamping plate (3) are provided with hangers, and described strainer (1) links to each other with described hangers.
5. two cloth, one film sliding layer take-up device as claimed in claim 4 is characterized in that described hangers is two, and two hangers are continuous by rope (5), and described strainer (1) links to each other with described rope (5).
6. two cloth, one film sliding layer take-up device as claimed in claim 3 is characterized in that described clamping plate (3) are a plurality of, and is evenly distributed on described geomembrane and the upper strata geotextiles.
7. two cloth, one film sliding layer take-up device as claimed in claim 3 is characterized in that described clamping plate (3) are 1, and the both sides of close respectively described geomembrane in the two ends of these clamping plate (3) and upper strata geotextiles.
8. two cloth, one film sliding layer take-up device as claimed in claim 1 is characterized in that described strainer (1) is extension spring or feed screw apparatus.
9. two cloth, one film sliding layer take-up device as claimed in claim 1 is characterized in that described strainer (1) is a flower basket bolt.
10. cloth one a film sliding layer laying method is characterized in that, after described two cloth, one film sliding layer laying finishes, installs as each described take-up device of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010512205XA CN101942802B (en) | 2010-10-19 | 2010-10-19 | Two-fabric one-membrane sliding layer paving method and tensioning device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010512205XA CN101942802B (en) | 2010-10-19 | 2010-10-19 | Two-fabric one-membrane sliding layer paving method and tensioning device thereof |
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| Publication Number | Publication Date |
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| CN101942802A true CN101942802A (en) | 2011-01-12 |
| CN101942802B CN101942802B (en) | 2012-07-04 |
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| CN201010512205XA Expired - Fee Related CN101942802B (en) | 2010-10-19 | 2010-10-19 | Two-fabric one-membrane sliding layer paving method and tensioning device thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121215A (en) * | 2011-03-29 | 2011-07-13 | 中交第四公路工程局有限公司 | Pre-tension paving method for slide layer of high-speed railway ballastless track |
| CN109112935A (en) * | 2018-10-17 | 2019-01-01 | 安徽徽风新型合成材料有限公司 | A kind of Novel geotechnical grid is laid with tool and method |
| CN110468783A (en) * | 2019-07-02 | 2019-11-19 | 中铁十局集团第五工程有限公司 | A kind of geomembrane protection construction method based under dynamic load |
| CN115162735A (en) * | 2022-08-15 | 2022-10-11 | 陈建 | Standardized construction presses down dirt cloth laying device |
| CN107144468B (en) * | 2017-06-19 | 2023-05-23 | 中铁六局集团有限公司 | Ballastless track horizontal pulling and pressing loading system and loading method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121215A (en) * | 2011-03-29 | 2011-07-13 | 中交第四公路工程局有限公司 | Pre-tension paving method for slide layer of high-speed railway ballastless track |
| CN102121215B (en) * | 2011-03-29 | 2012-04-25 | 中交第四公路工程局有限公司 | Pre-tension paving method for slide layer of high-speed railway ballastless track |
| CN107144468B (en) * | 2017-06-19 | 2023-05-23 | 中铁六局集团有限公司 | Ballastless track horizontal pulling and pressing loading system and loading method |
| CN109112935A (en) * | 2018-10-17 | 2019-01-01 | 安徽徽风新型合成材料有限公司 | A kind of Novel geotechnical grid is laid with tool and method |
| CN109112935B (en) * | 2018-10-17 | 2020-08-07 | 安徽徽风新型合成材料有限公司 | Tool and method for laying geocell |
| CN110468783A (en) * | 2019-07-02 | 2019-11-19 | 中铁十局集团第五工程有限公司 | A kind of geomembrane protection construction method based under dynamic load |
| CN115162735A (en) * | 2022-08-15 | 2022-10-11 | 陈建 | Standardized construction presses down dirt cloth laying device |
| CN115162735B (en) * | 2022-08-15 | 2023-12-12 | 杭州万载市政园林工程有限公司 | Dust suppression cloth laying device for standardized construction |
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