CN208268567U - A kind of glass reinforced plastic composite concrete push pipe - Google Patents
A kind of glass reinforced plastic composite concrete push pipe Download PDFInfo
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- CN208268567U CN208268567U CN201820545089.3U CN201820545089U CN208268567U CN 208268567 U CN208268567 U CN 208268567U CN 201820545089 U CN201820545089 U CN 201820545089U CN 208268567 U CN208268567 U CN 208268567U
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Abstract
本实用新型公开了一种玻璃钢复合混凝土顶管，包括玻璃钢内衬套筒、玻璃纤维立体织物层和混凝土顶管；玻璃钢内衬套筒包括玻璃钢内衬层和采用玻璃纤维环向、交叉交替缠绕在玻璃钢内衬层外壁上形成的缠绕层；缠绕层通过粘接树脂固定在玻璃钢内衬层的外侧；玻璃纤维立体织物层包括单面层和凸起于单面层表面的多根凸起纤维；玻璃纤维立体织物层的单面层包覆在缠绕层的外层并通过粘接树脂固定；混凝土顶管浇筑于玻璃纤维立体织物层外层并将玻璃纤维立体织物层的多根凸起纤维完全包裹在混凝土顶管中；该玻璃钢复合混凝土顶管通过增加玻璃钢内衬层使内壁不易被腐蚀，有效提升管道的使用寿命，同时内壁的糙率系数的增加有效提升了管道内液体的流动效率。
The utility model discloses a fiberglass composite concrete jacking pipe, which comprises a glass fiber reinforced plastic lining sleeve, a glass fiber three-dimensional fabric layer and a concrete jacking pipe; The winding layer formed on the outer wall of the FRP inner lining layer; the winding layer is fixed on the outside of the FRP inner lining layer by adhesive resin; the fiberglass three-dimensional fabric layer includes a single-sided layer and a plurality of raised fibers raised on the surface of the single-sided layer The single side layer of the glass fiber three-dimensional fabric layer is wrapped on the outer layer of the winding layer and fixed by bonding resin; the concrete jacking pipe is poured on the outer layer of the glass fiber three-dimensional fabric layer and the multiple raised fibers of the glass fiber three-dimensional fabric layer Completely wrapped in the concrete jacking pipe; the FRP composite concrete jacking pipe makes the inner wall not easy to be corroded by adding the FRP inner lining layer, effectively improving the service life of the pipe, and at the same time, the increase of the roughness coefficient of the inner wall effectively improves the flow efficiency of the liquid in the pipe .
Description
Technical Field
The utility model relates to a plumbing technical field, in particular to glass steel composite concrete push pipe.
Background
The prefabricated reinforced concrete jacking pipe is widely applied to the fields of municipal construction, drainage engineering and the like, but the reinforced concrete pipeline is relatively poor in water resistance due to the limitation of material performance of the reinforced concrete pipeline, and even in an area with a low underground water level, the medium in the pipeline leaks due to the fact that the medium is soaked and permeated for a long time, and meanwhile, a steel bar structure serving as a supporting framework in the pipeline is corroded and damaged, so that the overall mechanical performance of the pipeline is reduced, and the service life of the pipeline is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can promote the compound concrete push pipe of glass steel of concrete lining section of jurisdiction impermeability under the prerequisite of promoting a small amount of product cost.
Therefore, the utility model discloses technical scheme as follows:
a glass fiber reinforced plastic composite concrete jacking pipe comprises a glass fiber reinforced plastic lining sleeve, and a glass fiber three-dimensional fabric layer and a concrete jacking pipe which are sequentially coated on the outer side of the glass fiber reinforced plastic lining sleeve from inside to outside; wherein,
the glass fiber reinforced plastic lining sleeve comprises a glass fiber reinforced plastic lining layer and a winding layer formed by winding glass fibers on the outer wall of the glass fiber reinforced plastic lining layer alternately in a hoop winding mode and a cross winding mode; the winding layer is fixed on the outer side of the glass fiber reinforced plastic lining layer through bonding resin;
the glass fiber three-dimensional fabric layer comprises a single-sided layer and a plurality of protruding fibers protruding from the surface of the single-sided layer; the single-face layer of the glass fiber three-dimensional fabric layer is coated on the outer layer of the winding layer and is fixed through bonding resin, and the plurality of protruding fibers are vertical to the surface of the single-face layer and are in a vertical protruding state;
the concrete top pipe is poured on the outer layer of the glass fiber three-dimensional fabric layer, so that the protruding fibers on the glass fiber three-dimensional fabric layer are completely embedded in the concrete top pipe.
Preferably, the glass fiber reinforced plastic inner liner is a pipe body formed by glass fiber and resin composite materials, and the thickness of the pipe body is 1.2-2 mm.
Preferably, the thickness of the winding layer is 5-7 mm; wherein the ratio of the number of hoop winding layers to the number of cross winding layers is 1:1 to 1: 2.
Preferably, the axial height of the protruding fibers of the glass fiber three-dimensional fabric layer is 5-10 mm, and the distance between two adjacent protruding fibers is 10-15 mm.
The glass fiber reinforced plastic composite concrete top pipe has the advantages that the glass fiber reinforced plastic lining layer is additionally arranged on the inner wall of the concrete lining segment, so that the inner wall of the concrete pipe is not easy to corrode, and meanwhile, compared with the inner wall roughness coefficient of the traditional reinforced concrete pipe, the roughness coefficient of the inner wall of the concrete pipe is increased by 40%, and the flowing efficiency of liquid in the pipeline is effectively improved; in addition, through the single surface layer bonding of the three-dimensional fabric layer of glass fiber fix in the glass steel inside lining sleeve outside with protruding spacing and concrete push pipe pour the structural design as an organic whole realize the anchoring reinforcing effect between glass steel inside liner and the concrete pipe inner wall, guarantee in its use difficult emergence fracture phenomenon between glass steel inside liner and the concrete pipe inner wall, effectively promote the life of pipeline.
Drawings
FIG. 1 is a schematic structural view of a glass fiber reinforced plastic composite concrete jacking pipe of the present invention;
fig. 2 is a partially enlarged schematic view of fig. 1.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.
Taking DN2000 pipeline as an example, as shown in figures 1-2, the glass fiber reinforced plastic composite concrete jacking pipe comprises a glass fiber reinforced plastic lining sleeve 3, and a glass fiber three-dimensional fabric layer 2 and a concrete jacking pipe 1 which are sequentially coated on the outer side wall surface of the glass fiber reinforced plastic lining sleeve 3 from inside to outside; wherein,
the glass fiber reinforced plastic lining sleeve 3 comprises a glass fiber reinforced plastic lining layer and a winding layer; in particular, the amount of the solvent to be used,
the glass fiber reinforced plastic inner liner is a pipe body made of a composite material of glass fiber and resin, wherein the mixing ratio of the glass fiber to the resin is 7: 3; the thickness of the glass fiber reinforced plastic inner liner is 1.5 mm;
the winding layer is formed by winding glass fiber on the outer wall of the glass fiber reinforced plastic lining layer alternately in an annular winding mode and a cross winding mode; the ratio of the number of layers of hoop winding to the number of layers of cross winding is 1:2, namely, the glass fiber is wound in the hoop direction for one layer and then wound in the cross winding for two layers; during winding, the glass fiber is firstly immersed into the liquid adhesive resin and then wound on the outer side of the glass fiber reinforced plastic lining layer by layer, so that the winding layer is wound and fixed on the outer side of the glass fiber reinforced plastic lining layer, and the thickness of the finally formed winding layer is 7 mm;
the glass fiber three-dimensional fabric layer 2 comprises a single-sided layer and a plurality of protruding fibers protruding from the surface of the single-sided layer, and can be used after one surface layer of a commercially available two-sided layer glass fiber three-dimensional fabric layer is cut; specifically, the single-sided layer of the glass fiber three-dimensional fabric layer 2 is immersed in liquid bonding resin and then coated on the outer layer of the winding layer, after the bonding resin is cured, the single-sided layer of the glass fiber three-dimensional fabric layer 2 is firmly fixed on the outer side of the winding layer, and a plurality of cured raised fibers are in an upright state vertical to the single-sided layer; after the selected glass fiber three-dimensional fabric layer 2 is cured, the axial height of each protruding fiber is 10mm, and the distance between every two adjacent protruding fibers is 10 mm;
the concrete top pipe 1 is poured on the outer layer of the glass fiber three-dimensional fabric layer 2, and a plurality of convex fibers of the glass fiber three-dimensional fabric layer 2 are completely embedded in the concrete top pipe 1; specifically, after the glass fiber three-dimensional fabric layer 2 is cured, a hole is formed in the position, corresponding to a grouting opening of a pouring grinding tool, of the glass fiber reinforced plastic lining sleeve 3, the position of the hole corresponds to the position of the grouting opening, resin glue is used for smearing and sealing the grouting opening and the joint of the lining sleeve, and the sealing thickness is 10 mm; and after the resin adhesive is cured, the lining sleeve is wholly sleeved in the internal mold of the concrete casting mold for concrete casting, and the glass fiber reinforced plastic composite concrete jacking pipe is obtained.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The glass fiber reinforced plastic composite concrete jacking pipe is characterized by comprising a glass fiber reinforced plastic lining sleeve (3), and a glass fiber three-dimensional fabric layer (2) and a concrete jacking pipe (1) which are sequentially coated on the outer side of the glass fiber reinforced plastic lining sleeve (3) from inside to outside; wherein,
the glass fiber reinforced plastic lining sleeve (3) comprises a glass fiber reinforced plastic lining layer and a winding layer formed by winding glass fibers on the outer wall of the glass fiber reinforced plastic lining layer alternately in a hoop winding mode and a cross winding mode; the winding layer is fixed on the outer side of the glass fiber reinforced plastic lining layer through bonding resin;
the glass fiber three-dimensional fabric layer (2) comprises a single-sided layer and a plurality of protruding fibers protruding from the surface of the single-sided layer; the single-sided layer of the glass fiber three-dimensional fabric layer (2) is coated on the outer layer of the winding layer and is fixed through bonding resin;
the concrete top pipe (1) is poured on the outer layer of the glass fiber three-dimensional fabric layer (2), so that the protruding fibers on the glass fiber three-dimensional fabric layer (2) are completely embedded into the concrete top pipe (1).
2. The glass fiber reinforced plastic composite concrete ceiling coil of claim 1, wherein the glass fiber reinforced plastic inner liner is a tube body formed by a glass fiber and resin composite material, and the thickness of the tube body is 1.2-2 mm.
3. The glass fiber reinforced plastic composite concrete jacking pipe as claimed in claim 1, wherein the thickness of the winding layer is 5-7 mm; wherein the ratio of the number of hoop winding layers to the number of cross winding layers is 1:1 to 1: 2.
4. The glass fiber reinforced plastic composite concrete jacking pipe as claimed in claim 1, wherein the axial height of the protruding fibers of the glass fiber three-dimensional fabric layer (2) is 5-10 mm, and the distance between two adjacent protruding fibers is 10-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545089.3U CN208268567U (en) | 2018-04-17 | 2018-04-17 | A kind of glass reinforced plastic composite concrete push pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545089.3U CN208268567U (en) | 2018-04-17 | 2018-04-17 | A kind of glass reinforced plastic composite concrete push pipe |
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| Publication Number | Publication Date |
|---|---|
| CN208268567U true CN208268567U (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820545089.3U Expired - Fee Related CN208268567U (en) | 2018-04-17 | 2018-04-17 | A kind of glass reinforced plastic composite concrete push pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814413A (en) * | 2021-01-04 | 2021-05-18 | 浙江亚德复合材料有限公司 | Glass fiber reinforced plastic liner for concrete surface |
-
2018
- 2018-04-17 CN CN201820545089.3U patent/CN208268567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814413A (en) * | 2021-01-04 | 2021-05-18 | 浙江亚德复合材料有限公司 | Glass fiber reinforced plastic liner for concrete surface |
| CN112814413B (en) * | 2021-01-04 | 2023-09-01 | 浙江亚德复合材料有限公司 | Glass fiber reinforced plastic gasket for concrete surface |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |