CN103741646A - YMZS-JT sealing strip and production method for concrete aqueduct expansion joints - Google Patents
YMZS-JT sealing strip and production method for concrete aqueduct expansion joints Download PDFInfo
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- CN103741646A CN103741646A CN201410031874.3A CN201410031874A CN103741646A CN 103741646 A CN103741646 A CN 103741646A CN 201410031874 A CN201410031874 A CN 201410031874A CN 103741646 A CN103741646 A CN 103741646A
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Abstract
The invention relates to a YMZS-JT sealing strip and production method for concrete aqueduct expansion joints, and aims to solve the problems that since an existing concrete aqueduct sealing components need anchoring and coating adhesive when being mounted, operating difficulty is high, time and force are wasted, time and temperature limitations exist on site, and pollution exists. The sealing strip comprises a strip pressure-sensitive layer and a strip expansion sealing layer in a composite manner. The strip pressure-sensitive layer is made of pressure-sensitive material, and the strip expansion sealing layer is made of expansion sealing material. The production method includes: 1, producing the strip pressure-sensitive layer by the pressure-sensitive material, then producing the strip expansion sealing layer by the expansion sealing material, and then pressing the two layers to obtain a sealing strip body; 2, producing the strip expansion sealing layer by the expansion sealing material, then coating pressure-sensitive adhesive on the expansion sealing layer to obtain a sealing strip. The adhesive cutting strength of the sealing strip is no less than 0.05MPa.
Description
Technical field
The present invention relates to sealing rod and preparation method thereof for concrete flume structure expansion joint.
Background technology
In recent years, for meeting the irrigation and water conservancy infrastructure project construction needs of ' last kilometer of agriculture water supply ', more and more stricter to the expanded joint structure of applying in concrete flume and sealing material performance requirement, to guarantee that shrinkage joint can keep good water stopping function, due to analysis on aqueduct structure deadweight, the impact of the factor such as creep of concrete and shrinkage stress, aqueduct expansion joints sealing material needs receiver internal water pressure, the effect of current scour and horizontal extension, therefore need aqueduct expansion joints sealing material to meet following performance requirement: (1) has certain intensity, high resiliency and high-flexibility, (2) adapt to groove body variations in temperature, weather-proof, high temperature resistant and low temperature resistant performance, (3) water stop structure is simple, technology maturation, constructability.
Current existing waterstop member when mounted, is first about to that it is anchored at concrete and crosses on (water) groove or first installation position is coated with to bonding adhesive and be fixed in concrete and cross on (water) groove often.Operation easier is large, wastes time and energy, and on-the-spot gluing is subject to time, temperature limiting and has pollution.
Summary of the invention
The present invention is large for solving the operation easier that existing concrete flume waterstop member needs anchoring, coating adhesive to cause when mounted, waste time and energy, on-the-spot gluing is subject to time, temperature limiting and has the problem of pollution, and YMZS-JT sealing rod and preparation method thereof for a kind of concrete flume structure expansion joint is provided.
Concrete flume structure expansion joint of the present invention is composited by banded varistor layer and banded expansion sealing layer with YMZS-JT sealing rod; Described banded varistor layer is pressure sensitive; Described band shape expansion sealing layer is expansion sealing material.
Concrete flume structure expansion joint of the present invention carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, pressure sensitive is prepared into band shape, obtains banded varistor layer;
Two, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Three, the band shape expansion sealing layer of the banded varistor layer of step 1 and step 2 is suppressed, obtained concrete flume structure expansion joint YMZS-JT sealing rod.
Concrete flume structure expansion joint of the present invention carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Two, on the band shape expansion sealing layer obtaining in step 1, apply one deck pressure sensitive, obtain concrete flume structure expansion joint YMZS-JT sealing rod.
Bond shear strength >=the 0.05Mpa of YMZS-JT sealing rod for concrete flume structure expansion joint of the present invention.
Concrete flume structure expansion joint of the present invention using while installing, tears (taking off) soffit protecting film with YMZS-JT sealing rod, slightly imposes contact and can be fixed on concrete and cross on (water) groove.
Concrete flume structure expansion joint of the present invention is easy and simple to handle, quick in use with YMZS-JT sealing rod, saves man-hour, has improved widely operating efficiency, has reached the effect of laborsaving, saving of labor, abridged edition consumption reduction, and has had environmental benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of YMZS-JT sealing rod for concrete flume structure expansion joint of the present invention; 1 is banded varistor layer, and 2 is banded expansion sealing layer.
The specific embodiment
The specific embodiment one: the concrete flume structure expansion joint of present embodiment is composited by banded varistor layer and banded expansion sealing layer with YMZS-JT sealing rod; Described banded varistor layer is pressure sensitive; Described band shape expansion sealing layer is expansion sealing material.
Bond shear strength >=the 0.05Mpa of YMZS-JT sealing rod for the concrete flume structure expansion joint of present embodiment.
The concrete flume structure expansion joint of present embodiment using while installing, tears (taking off) soffit protecting film with YMZS-JT sealing rod, slightly imposes contact and can be fixed on concrete and cross on (water) groove.
Present embodiment concrete flume structure expansion joint is easy and simple to handle, quick in use with YMZS-JT sealing rod, saves man-hour, has improved widely operating efficiency, has reached the effect of laborsaving, saving of labor, abridged edition consumption reduction, and has had environmental benefit.
The specific embodiment two: present embodiment is different from the specific embodiment one: described pressure sensitive is pressure sensitive adhesive.Other step is identical with the specific embodiment one with parameter.
The specific embodiment three: present embodiment is different from the specific embodiment one or two: described expansion sealing material is rubber, plastics or putty.Other step is identical with the specific embodiment one or two with parameter.
The specific embodiment four: present embodiment is different from one of specific embodiment one to three: described banded varistor layer thickness is 0.25mm～0.45mm, width is 15.0mm～25.0mm, described band shape expansion sealing layer thickness is 10mm～15mm, and width is 15.0mm～25.0mm.Other step is identical with one of parameter and specific embodiment one to three.
The specific embodiment five: the concrete flume structure expansion joint of present embodiment carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, pressure sensitive is prepared into band shape, obtains banded varistor layer;
Two, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Three, the band shape expansion sealing layer of the banded varistor layer of step 1 and step 2 is suppressed, obtained concrete flume structure expansion joint YMZS-JT sealing rod.
The concrete flume structure expansion joint of present embodiment using while installing, tears (taking off) soffit protecting film with YMZS-JT sealing rod, slightly imposes contact and can be fixed on concrete and cross on (water) groove.
The preparation method of present embodiment is easy and simple to handle, quick.
Bond shear strength >=the 0.05Mpa of YMZS-JT sealing rod for the concrete flume structure expansion joint of present embodiment.
Concrete flume structure expansion joint that present embodiment obtains is easy and simple to handle, quick in use with YMZS-JT sealing rod, saves man-hour, has improved widely operating efficiency, has reached the effect of laborsaving, saving of labor, abridged edition consumption reduction, and has had environmental benefit.
The specific embodiment six: present embodiment is different from the specific embodiment five: the pressure sensitive described in step 1 is pressure sensitive adhesive, the thickness of described banded varistor layer is 0.25mm～0.45mm, width is 15.0mm～25.0mm.Other step is identical with the specific embodiment five with parameter.
The specific embodiment seven: present embodiment is different from the specific embodiment five or six: the expansion sealing material described in step 2 is rubber, plastics or putty, the thickness of described band shape expansion sealing layer is 10mm～15mm, and width is 15.0mm～25.0mm.Other step is identical with the specific embodiment five or six with parameter.
The specific embodiment eight: the concrete flume structure expansion joint of present embodiment carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Two, on the band shape expansion sealing layer obtaining in step 1, apply one deck pressure sensitive, obtain concrete flume structure expansion joint YMZS-JT sealing rod.
The concrete flume structure expansion joint of present embodiment using while installing, tears (taking off) soffit protecting film with YMZS-JT sealing rod, slightly imposes contact and can be fixed on concrete and cross on (water) groove.
The preparation method of present embodiment is easy and simple to handle, quick.
Bond shear strength >=the 0.05Mpa of YMZS-JT sealing rod for the concrete flume structure expansion joint of present embodiment.
Concrete flume structure expansion joint that present embodiment obtains is easy and simple to handle, quick in use with YMZS-JT sealing rod, saves man-hour, has improved widely operating efficiency, has reached the effect of laborsaving, saving of labor, abridged edition consumption reduction, and has had environmental benefit.
The specific embodiment nine: present embodiment is different from the specific embodiment eight: the expansion sealing material described in step 1 is rubber, plastics or putty, the thickness of described band shape expansion sealing layer is 10mm～15mm, width is 15.0mm～25.0mm.Other step is identical with the specific embodiment eight with parameter.
The specific embodiment ten: present embodiment is different from the specific embodiment eight or nine: the pressure sensitive described in step 2 is pressure sensitive adhesive, coating thickness is 0.25mm～0.45mm.Other step is identical with the specific embodiment eight or nine with parameter.
With following verification experimental verification beneficial effect of the present invention:
The concrete flume structure expansion joint of test one, this test carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, pressure sensitive adhesive is prepared into band shape, obtains banded varistor layer;
Two, putty type PZ-150 sealing rod is prepared into band shape, obtains banded expansion sealing layer;
Three, the band shape expansion sealing layer of the banded varistor layer of step 1 and step 2 is suppressed, obtained PZ-150 putty type YMZS-JT sealing rod.
The thickness of the banded varistor layer that step 1 obtains is 0.25mm, and width is 20mm;
The band shape expansion sealing layer thickness that step 2 obtains is 10mm, and width is 20mm.
According to standard GB/T18173.3-2002, to testing a PZ-150 putty type YMZS-JT sealing rod obtaining, carry out Performance Detection, result is as shown in table 1.
Table 1
| Sequence number | Project | | Test result | |
| 1 | Volume expansion ratio % >= | 150 | 200 | |
| 2 | High temperature trickling property (80 ℃ * 5h) | Without trickling | Without trickling | |
| 3 | Low-temperature test (20 ℃ * 2h) | Without embrittlement | Without embrittlement | |
| 4 | Adhesive shear strength (Mpa) | ? | 0.075 |
The concrete flume structure expansion joint of test two, this test carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, pressure sensitive adhesive is prepared into band shape, obtains banded varistor layer;
Two, PZ-250 rubber is prepared into band shape, obtains banded expansion sealing layer;
Three, the band shape expansion sealing layer of the banded varistor layer of step 1 and step 2 is suppressed, obtained rubber type YMZS-JT sealing rod.
The thickness of the banded varistor layer that step 1 obtains is 0.25mm, and width is 20mm;
The band shape expansion sealing layer thickness that step 2 obtains is 10mm, and width is 20mm.
According to standard GB/T18173.3-2002, to testing the two rubber type YMZS-JT sealing rods that obtain, carry out Performance Detection, result is as shown in table 2.
Table 2
In table 15, submerging test parameter is repeatedly: water temperature is the 16h that soaks in the distilled water of 23 ± 5 ℃, after taking-up, at 70 ℃, dries 8h, and so iterative cycles is 4 times.
Claims (10)
1. concrete flume structure expansion joint YMZS-JT sealing rod, is characterized in that concrete flume structure expansion joint is composited by banded varistor layer and banded expansion sealing layer with YMZS-JT sealing rod; Described banded varistor layer is pressure sensitive; Described band shape expansion sealing layer is expansion sealing material.
2. a kind of concrete flume structure expansion joint YMZS-JT sealing rod according to claim 1, is characterized in that described pressure sensitive is pressure sensitive adhesive.
3. a kind of concrete flume structure expansion joint YMZS-JT sealing rod according to claim 1 and 2, is characterized in that described expansion sealing material is rubber, plastics or putty.
4. a kind of concrete flume structure expansion joint YMZS-JT sealing rod according to claim 3, it is characterized in that described banded varistor layer thickness is 0.25mm～0.45mm, width is 15.0mm～25.0mm, described band shape expansion sealing layer thickness is 10mm～15mm, and width is 15.0mm～25.0mm.
5. the preparation method of YMZS-JT sealing rod for concrete flume structure expansion joint as claimed in claim 1, is characterized in that concrete flume structure expansion joint carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, pressure sensitive is prepared into band shape, obtains banded varistor layer;
Two, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Three, the band shape expansion sealing layer of the banded varistor layer of step 1 and step 2 is suppressed, obtained concrete flume structure expansion joint YMZS-JT sealing rod.
6. the preparation method of YMZS-JT sealing rod for a kind of concrete flume structure expansion joint according to claim 5, it is characterized in that the pressure sensitive described in step 1 is pressure sensitive adhesive, the thickness of described banded varistor layer is 0.25mm～0.45mm, and width is 15.0mm～25.0mm.
7. according to a kind of concrete flume structure expansion joint described in claim 5 or 6, use the preparation method of YMZS-JT sealing rod, it is characterized in that the expansion sealing material described in step 2 is rubber, plastics or putty, the thickness of described band shape expansion sealing layer is 10mm～15mm, and width is 15.0mm～25.0mm.
8. a preparation method for YMZS-JT sealing rod for concrete flume structure expansion joint, is characterized in that concrete flume structure expansion joint carries out according to the following steps by the preparation method of YMZS-JT sealing rod:
One, expansion sealing material is prepared into band shape, obtains banded expansion sealing layer;
Two, on the band shape expansion sealing layer obtaining in step 1, apply one deck pressure sensitive, obtain concrete flume structure expansion joint YMZS-JT sealing rod.
9. the preparation method of YMZS-JT sealing rod for a kind of concrete flume structure expansion joint according to claim 8, it is characterized in that the expansion sealing material described in step 1 is rubber, plastics or putty, the thickness of described band shape expansion sealing layer is 10mm～15mm, and width is 15.0mm～25.0mm.
10. the preparation method of YMZS-JT sealing rod for a kind of concrete flume structure expansion joint according to claim 8 or claim 9, is characterized in that the pressure sensitive described in step 2 is pressure sensitive adhesive, and coating thickness is 0.25mm～0.45mm.
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| CN201410031874.3A CN103741646A (en) | 2014-01-23 | 2014-01-23 | YMZS-JT sealing strip and production method for concrete aqueduct expansion joints |
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| CN201410031874.3A CN103741646A (en) | 2014-01-23 | 2014-01-23 | YMZS-JT sealing strip and production method for concrete aqueduct expansion joints |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1285556A (en) * | 1968-07-17 | 1972-08-16 | Grace W R & Co | Method of sealing concrete joints |
| CN2482579Y (en) * | 2001-08-08 | 2002-03-20 | 郑远黎 | Self-adhesive sealing strap with dabber |
| CN2602084Y (en) * | 2002-06-28 | 2004-02-04 | 陈弦 | water expansion sealing strip possessing multiplestep expansion-time control characteristic |
| CN200949469Y (en) * | 2006-06-02 | 2007-09-19 | 郑远黎 | Self-adhering partition water-proof plates |
| CN201762828U (en) * | 2010-09-07 | 2011-03-16 | 衡水中铁建工程橡胶有限责任公司 | Uncovering-free self-adhesive water stop strip |
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2014
- 2014-01-23 CN CN201410031874.3A patent/CN103741646A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1285556A (en) * | 1968-07-17 | 1972-08-16 | Grace W R & Co | Method of sealing concrete joints |
| CN2482579Y (en) * | 2001-08-08 | 2002-03-20 | 郑远黎 | Self-adhesive sealing strap with dabber |
| CN2602084Y (en) * | 2002-06-28 | 2004-02-04 | 陈弦 | water expansion sealing strip possessing multiplestep expansion-time control characteristic |
| CN200949469Y (en) * | 2006-06-02 | 2007-09-19 | 郑远黎 | Self-adhering partition water-proof plates |
| CN201762828U (en) * | 2010-09-07 | 2011-03-16 | 衡水中铁建工程橡胶有限责任公司 | Uncovering-free self-adhesive water stop strip |
Non-Patent Citations (3)
| Title |
|---|
| 刘杰胜等: "大型渡槽伸缩缝止水材料与结构研究", 《水科学与工程技术》 * |
| 叶文武等: "水工建筑物伸缩缝止水材料的性能及应用初探", 《江苏水利》 * |
| 陆明等: "遇水膨胀类止水材料的应用技术", 《云南大学学报》 * |
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Application publication date: 20140423 |