CN107034916A - Glass fibre composite reinforced plastics prefabricated assembly structural - Google Patents
Glass fibre composite reinforced plastics prefabricated assembly structural Download PDFInfo
- Publication number
- CN107034916A CN107034916A CN201710258354.XA CN201710258354A CN107034916A CN 107034916 A CN107034916 A CN 107034916A CN 201710258354 A CN201710258354 A CN 201710258354A CN 107034916 A CN107034916 A CN 107034916A
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- assembly structural
- prefabricated assembly
- reinforced plastics
- glass fibre
- fibre composite
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/12—Geometrical or physical properties corrugated
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/007—Resins including glasfibers
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention provides a kind of glass fibre composite reinforced plastics prefabricated assembly structural, it is characterized in that, it is the prefabricated assembly structural that the contour plate being pressed into glass fibre composite reinforced plastics assembles, the contour plate is shaped as arc or plate shaped, the thickness of the contour plate is 0.5mm~50mm, and multiple contour plates are prefabricated assembly structural by bolt and/or flange assembling.Glass fibre composite reinforced plastics prefabricated assembly structural proposed by the present invention is applied in pipe gallery, open cut tunnel, culvert, tunnel, the structure of windproof structure.Prefabricated assembly structural component is by ribbed stiffener or high-strength bolt connection between factory prefabricating, component.This structure has the advantages that construction technology is simple, the construction period is short, applied widely, and fiberglass reinforced plastics weight only has the 1/4 to 1/6 of steel, and has the advantages that anti-corrosion, insulation.
Description
Technical field
The invention belongs to railway construction technical field, and in particular to a kind of prefabricated assembly structural for being used to build railway structure
And its application.
Background technology
At present, prefabricated construction is gradually put on the agenda, and bellows (plate) structure is used as a kind of assembling structure
Using more.Prefabricated assembled corrugated steel pipe (plate) structure is generally referred to steel plate face being pressed into ripple, and phase is processed into through clod wash
Radian is answered, then is passed through using being made after the antirust treatments such as galvanizing by dipping, brushing polymer material layer between bellows (plate) piece, plate
High-strength bolt or section of jurisdiction solder design, the bearing structure of arch (circle) shape of formation.Bellows (plate) structural strength is high, and deformation is adapted to
Ability is strong；Working procedure is simple, low engineering cost.
Prefabricated assembled corrugated steel pipe (plate) structure is applied widely, available for highway, rolling stock pedestrian passage, contains
Hole；Municipal integrated pipe canal, sewage pipe；Tunnel liner cut-and-cover tunnel；The windproof passage of cold district；Hill side road rock-fall proof is protected
Hole；The defeated coal channel of open coal mine and tunnel；Military tank storehouse, hangar, bomb shelter, ammunition depot etc..
Although steel corrugated pipe (plate) has an above advantage, steel corrugated pipe (plate) has that weight is larger, on-site consolidation
Difficulty, and easily corrosion etc. defect, it is necessary to preservative treatment and insulation processing.
The content of the invention
For the weak point of this area, it is an object of the invention to provide a kind of glass fibre composite reinforced plastics are prefabricated
Assembling structure.
Second object of the present invention is the application of the glass fibre composite reinforced plastics prefabricated assembly structural described in proposition.
The technical scheme for realizing above-mentioned purpose of the present invention is：
A kind of glass fibre composite reinforced plastics prefabricated assembly structural, the prefabricated assembly structural is compound with glass fibre
The contour plate that reinforced plastics is pressed into assembles, and the contour plate is shaped as arc or plate shaped, the thickness of the contour plate
Spend for 0.5mm~50mm, multiple contour plates are prefabricated assembly structural, the prefabrication and assembly construction by bolt and/or flange assembling
The cross section of structure is circle, ellipse, pyriform, one kind synthesized in shape, box of closing, or is arc, the case for having opening
One kind in type.The synthesis shape, is the combination of two kinds of shapes, for example, arc and box combination.
Fiberglass reinforced plastics is also known as fiberglass, and it has lightweight, specific strength height, and corrosion-resistant, electrical insulation capability is good,
Heat transfer is slow, the characteristic such as thermal insulation is good.Fiberglass reinforced plastics proportion is the 1/4 to 1/6 of steel, compared to Steel Corrugated Pipes for Making plate,
Great convenience is brought to construction.
The contour plate can be flat board or the corrugated plating for having raised lines.As the preferred technical solution of the present invention it
One, projection arranged in parallel is suppressed with the contour plate, raised cross sectional shape is sinusoidal, trapezoidal, triangle, semicircle
Shape, it is square in one kind；Raised height is 10mm~300mm.
Wherein, the length direction of the glass fibre composite reinforced plastics prefabricated assembly structural and raised length direction hang down
Directly.
Wherein, glass fibre composite reinforced plastics prefabricated assembly structural is by polylith contour plate assembled formation, the mode of assembling
Rubber blanket is provided between the position overlapped for overlap joint, two pieces of contour plates, the position of overlap joint is fixed with bolt.
Or, glass fibre composite reinforced plastics prefabricated assembly structural, by polylith contour plate assembled formation, the mode of assembling is
Docking, two pieces of contour plate joints contain ring flange, and two ring flanges are fixed with bolt.
Preferably, rib is provided with the inside of the prefabricated assembly structural, the rib is that steel contour plate or glass fibre are compound
Reinforced plastics contour plate, the length direction of rib is ring or the axial direction of prefabricated assembly structural.
Alternatively, the width of rib be monolithic contour plate width 20~60%, preferably the 40 of monolithic contour plate width~
50%, rib can ring into a circle, can also be interrupted ribbing.The distance between adjacent rib rung into a circle can be 1m~5m,
Or be 2~3m.
Prefabricated assembly structural prepare can using conventional method, for example hand pasting forming, injection molding, compression molding work,
In the method such as molding compound shaping, fiber winding forming, pipe crimping shaping, flexible bag moulding, resin cast and injection moulding, RTM shapings
One or more.Wherein, the length direction of the glass fibre composite reinforced plastics prefabricated assembly structural and road extension side
To vertical, its cross sectional shape is circle, semicircle, ellipse, arc, pyriform, the one kind synthesized in shape, box.The glass
The ridge orientation of ripple is vertical on the length direction and corrugated plating of fiber composite reinforced plastics prefabricated assembly structural.
The present invention also proposes the application of described glass fibre composite reinforced plastics prefabricated assembly structural, and it is to be used to integrate
In piping lane, open cut tunnel, culvert, tunnel, the structure of windproof structure.
Glass fibre composite reinforced plastics prefabricated assembly structural can be directly used for newly built railway or road engineering；It can also be used for
Existing engineering reinforcement construction.Concrete construction method can be following two：
New construction is constructed, the side constructed using described glass fibre composite reinforced plastics prefabricated assembly structural
Method, including step：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) excavation pit, when foundation bearing capacity is unsatisfactory for requiring, carries out basement process；When satisfaction is required, it can be directly entered
Next process；
3) substrate is cleared up, the bed course matched somebody with somebody according to specific requirement, construction different-thickness and level；
4) assembled prefabricated assembly structural, the length direction and road of the glass fibre composite reinforced plastics prefabricated assembly structural
Road bearing of trend is vertical；
5) backfilled according to two side bottom wedge-shaped part positions, middle part backfill, the order of top backfill is carried out；Can be from prefabrication and assembly construction
Structure two ends promote to center and filled, and also can in opposite directions be backfilled from prefabricated assembly structural center to two ends；
6) import and export are handled.
For the construction of existing engineering reinforcement, the method for construction includes step：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) in-site measurement setting-out；
3) assembled prefabricated assembly structural；The length direction and road of the glass fibre composite reinforced plastics prefabricated assembly structural
Road bearing of trend is identical；
4) anchor pole positioning hole is set, anchor pole is installed；
5) behind space and/or cavity backfill, bolt grouting, install roof bolt plate, nut；
6) prefabricated assembly structural is connected with basis.
The material backfilled includes the one or more in rubble, sand, concrete, rubber layer and polyurethane.
The beneficial effects of the present invention are：
Glass fibre composite reinforced plastics prefabricated assembly structural proposed by the present invention is glass fiber compound material corrugated plating
It is prefabricated profiled.This structure has the advantages that construction technology is simple, the construction period is short, applied widely, glass fiber reinforcement modeling
Material weight only has the 1/4 to 1/6 of steel, and has the advantages that anti-corrosion, insulation, it is not necessary in corrugated plating external coating anti-corrosion material
And insulating materials, reach and reduce cost；Therefore preassembled bellows is lightweight, the easily controllable quality of pre-assembled technique and one
Cause property, makes the easy construction, time saving and energy saving of road or railway.
Brief description of the drawings
Fig. 1 overlaps compound section view for the contour plate of the prefabricated assembly structural of the embodiment of the present invention 3；
Fig. 2 docks compound section view for the contour plate of the prefabricated assembly structural of the embodiment of the present invention 4；Fig. 2 a illustrate for docking
Figure, Fig. 2 b are the external view that the contour plate that multi-disc is docked constitutes prefabricated assembly structural.Fig. 2 c are Fig. 2 a partial enlarged drawings.
Fig. 3 is the structural representation of cut-and-cover tunnel.
Fig. 4 is the glass fibre composite reinforced plastics prefabricated assembly structural shape of ribbing；
Fig. 5 is the synthesis cross-sectional profile of glass fibre composite reinforced plastics prefabricated assembly structural.
Fig. 6 is the pear-shaped section shape of glass fibre composite reinforced plastics prefabricated assembly structural.
The part of each numbering expression is in figure：1. tunnel basis, 2. prefabricated assembly structurals, 201. ring ribs, 3. injections are mixed
Xtah Crude Clay structure, 4. bolts, 5. rubber blankets, 6. contour plates, 601. ring flanges.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
It is term " on ", " under ", "front", "rear", "left", "right", " perpendicular in the description of the invention, it is necessary to explanation
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are based on orientation shown in the drawings or position
Relation, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
There is specific orientation, therefore be not considered as limiting the invention.
Unless otherwise specified, the conventional meanses that technological means used in embodiment is well known to those skilled in the art.
Below in conjunction with the accompanying drawings and specific implementation the invention will be further described.
Embodiment 1
Using the continuously shaped contour plate for being produced as sine wave cross sectional shape of mechanization, the width of monolithic contour plate 6：
1500mm, crest height 85mm, thickness 10mm；Density 1.45g/cm2；Tensile strength：92Mpa；Bending strength：141Mpa；Cut
Shearing stress 86MPa, impact strength：L kg steel balls are from 1.5m height free-fallings above product without damage.
Embodiment 2
Using the continuously shaped contour plate for being produced as sine wave cross sectional shape of mechanization, single piece plate width：1500mm, crest
Height 80mm, thickness 5mm；Density 1.45g/cm2；Tensile strength：97Mpa；Bending strength：146Mpa；Shear strength 86MPa,
Impact strength：L kg steel balls are from 2.0m height free-fallings above product without damage.
Embodiment 3
Using the continuously shaped contour plate for being produced as sine wave cross sectional shape of mechanization, monolithic contour plate width：1200mm,
Crest height 100mm, thickness 8mm；Density 1.45g/cm2；Tensile strength：99Mpa；Bending strength：146Mpa；Shear strength
101MPa, impact strength：L kg steel balls are from 2.5m height free-fallings above product without damage.
Referring to Fig. 1, glass fibre composite reinforced plastics prefabricated assembly structural is fixed by multiple contour plates 6 with bolt 4.Two panels
Contour plate is fixed with the mode of overlap joint, and overlapping part is lined with rubber blanket, then is fixed with bolt.In the present embodiment, die mould plate thickness
For 8mm, sine wave shape projection width 200mm, the 60% of the wide about ledge width of overlap.Multiple prefabricated assembly structurals
2 are fixed as a circle with bolt by ripple direction, and inner side is fixed as the prefabricated assembly structural such as Fig. 4 with ring rib 201 again, adjacent
The seam respectively enclosed is staggered setting.The material of rib is same glass fibre composite reinforced plastics contour plate.In the present embodiment, rib
Width is 45% (dimensional units are cm in Fig. 4) of single contour plate width.
Referring to Fig. 3, the present embodiment provides the cut-and-cover tunnel structure for including the prefabricated assembly structural, the cut-and-cover tunnel knot
Structure includes the prefabricated assembly structural 2 of glass fibre composite reinforced plastics from inside to outside, gunite concrete structure 3.The bottom in tunnel
Portion is tunnel basis 1.The wave peak width direction of prefabricated assembly structural is consistent with the length direction of pore passage structure, prefabricated assembly structural
2 and gunite concrete structure 3 fixed by anchor pole.
The method of construction is：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) excavation pit, basis layering is applied；
3) pressure measurement solidity, moisture；
4) the assembled prefabricated assembled glass fibre composite reinforced plastics structure in foundation ditch；
5) both sides back-filling in layers, top backfill, constitutes gunite concrete structure 3；
6) import and export are handled.
Embodiment 4
Referring to Fig. 2, glass fibre composite reinforced plastics prefabricated assembly structural is fixed by multiple contour plate bolts 4.Referring to
Fig. 2 a, the mode of two panels contour plate assembling is docking, and two pieces of contour plate joints are welded with ring flange, and two ring flanges 601 are used
Bolt is fixed；In the present embodiment, the cross section of prefabricated assembly structural 2 is the circle of closing, a diameter of 2500mm.Referring to Fig. 2 b,
The contour plate of multi-disc docking constitutes prefabricated assembly structural 2.Referring to Fig. 2 c partial enlarged drawing, the flange thickness of welding is 6mm,
High 55mm.
The present embodiment provide comprising it is described it is prefabricated assembled cross water culvert structure, the water culvert structure crossed is included by introversion
Outer glass fibre composite reinforced plastics prefabricated assembly structural.
For the existing strengthening construction for crossing water culvert, including step：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) in-site measurement setting-out,
3) substrate is cleared up, and backfills bed course；
4) prefabricated assembly structural is installed in culvert, according to actual conditions, pipe culvert is discharged.During installation first is discharged from side
Tube coupling, makes its tube hub parallel with basic longitudinal centre line, equally second pipe is placed in position, when between two pipe adjacent flanges
Away from 3~5cm gap, with the bolt hole on small crowbar alignment flange, make the stud alignment on its two pipe flanges, at this moment
Tube coupling is prized from the other end of second section pipe with crowbar, makes it to water culvert longitudinal translation is crossed, when two flange spacing are in 2cm or so
When, sealing gasket is put into, and each bolt is inserted into screw, after set top nut, slightly just twist, do not tighten nut.Treat all to have assembled
Bi Hou, then nut is tightened one by one.
5) behind space and/or cavity backfill, backfilling material is grouting material, cement and organic material.
Embodiment 5
The present embodiment, which is provided, includes the prefabricated assembled traffic culvert structure, and the traffic culvert structure is included by introversion
Outer glass fibre composite reinforced plastics prefabricated assembly structural 2.The section of glass fibre composite reinforced plastics prefabricated assembly structural
Be shaped as synthesis type (combination of Fig. 5, arc and box, sagitta be across 1/2).
The structure be the same as Example 3 of culvert structure.
Embodiment 6
The present embodiment provides the cut-and-cover tunnel structure for including the prefabricated assembled underlying structure, described to cross water culvert structure
It is mixed including the prefabricated assembled glass fibre composite reinforced plastics prefabricated assembly structural included from inside to outside from inside to outside, injection
Xtah Crude Clay structure 3.The cross sectional shape of prefabricated assembled glass fibre composite reinforced plastics prefabricated assembly structural and cutting for cut-and-cover tunnel
Face shape is identical, be pears type (Fig. 6, sagitta be across 1/2), the preparation be the same as Example 3 of prefabricated assembly structural 2.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of glass fibre composite reinforced plastics prefabricated assembly structural, it is characterised in that moulded with glass fibre composite strengthening
Expect the prefabricated assembly structural that the contour plate that is pressed into assembles, the contour plate is shaped as arc or plate shaped, the pressure
The thickness of template is 0.5mm~50mm, and multiple contour plates are prefabricated assembly structural by bolt and/or flange assembling, described
The cross section of prefabricated assembly structural is circle, ellipse, pyriform, one kind synthesized in shape, box of closing, or to there is opening
One kind in arc, box, semicircle.
2. glass fibre composite reinforced plastics prefabricated assembly structural according to claim 1, it is characterised in that the contour plate
On be suppressed with projection arranged in parallel, raised cross sectional shape is sinusoidal, trapezoidal, triangle, semicircle, it is square in one
Kind；Raised height is 10mm~300mm.
3. glass fibre composite reinforced plastics prefabricated assembly structural according to claim 2, it is characterised in that the glass fibers
The length direction for tieing up composite reinforced plastics prefabricated assembly structural is vertical with raised length direction.
4. glass fibre composite reinforced plastics prefabricated assembly structural according to claim 1, it is characterised in that glass fibre
Composite reinforced plastics prefabricated assembly structural is by polylith contour plate assembled formation, and the mode of assembling is overlap joint, two pieces of contour plate overlap joints
Position between be provided with rubber blanket, the position of overlap joint is fixed with bolt.
5. glass fibre composite reinforced plastics prefabricated assembly structural according to claim 1, it is characterised in that glass fibre
Composite reinforced plastics prefabricated assembly structural is by polylith contour plate assembled formation, and the mode of assembling is docking, two pieces of contour plate docking
Place is welded with ring flange, and two ring flanges are fixed with bolt.
6. the glass fibre composite reinforced plastics prefabricated assembly structural according to any one of Claims 1 to 5, its feature exists
In the prefabricated assembly structural inner side is provided with rib, and the rib is steel contour plate or glass fibre composite reinforced plastics pressure
Template, the length direction of rib is ring or the axial direction of prefabricated assembly structural.
7. the application of any described glass fibre composite reinforced plastics prefabricated assembly structural of claim 1~6, its feature exists
In in pipe gallery, open cut tunnel, culvert, tunnel, the structure of windproof structure.
8. the side that any described glass fibre composite reinforced plastics prefabricated assembly structural of application claim 1~6 is constructed
Method, it is characterised in that including step：
New construction is constructed, the method constructed using described glass fibre composite reinforced plastics prefabricated assembly structural, bag
Include step：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) excavation pit, when foundation bearing capacity is unsatisfactory for requiring, carries out basement process；When satisfaction is required, it can be directly entered next
Procedure；
3) substrate is cleared up, the bed course matched somebody with somebody according to specific requirement, construction different-thickness and level；
4) assembled prefabricated assembly structural, the length direction and road of the glass fibre composite reinforced plastics prefabricated assembly structural prolong
Stretch direction vertical；
5) backfilled according to two side bottom wedge-shaped part positions, middle part backfill, the order of top backfill is carried out；Can be from prefabricated assembly structural
Two ends promote to center and filled, and also can in opposite directions be backfilled from prefabricated assembly structural center to two ends；
6) import and export are handled.
9. the side that any described glass fibre composite reinforced plastics prefabricated assembly structural of application claim 1~6 is constructed
Method, it is characterised in that including step：
1) glass fibre composite reinforced plastics prefabricated assembly structural is used；
2) in-site measurement setting-out；
3) assembled prefabricated assembly structural；The length direction and road of the glass fibre composite reinforced plastics prefabricated assembly structural prolong
Stretch direction identical；
4) anchor pole positioning hole is set, anchor pole is installed；
5) behind space and/or cavity backfill, bolt grouting, install roof bolt plate, nut；
6) prefabricated assembly structural is connected with basis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258354.XA CN107034916A (en) | 2017-04-19 | 2017-04-19 | Glass fibre composite reinforced plastics prefabricated assembly structural |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258354.XA CN107034916A (en) | 2017-04-19 | 2017-04-19 | Glass fibre composite reinforced plastics prefabricated assembly structural |
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| CN107034916A true CN107034916A (en) | 2017-08-11 |
Family
ID=59535425
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710258354.XA Pending CN107034916A (en) | 2017-04-19 | 2017-04-19 | Glass fibre composite reinforced plastics prefabricated assembly structural |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571336A (en) * | 2018-06-08 | 2018-09-25 | 北京科技大学 | A kind of energy-absorbing backing plate suitable for deep mining tunnel |
| CN111705655A (en) * | 2020-07-03 | 2020-09-25 | 重庆市智翔铺道技术工程有限公司 | Prefabricated module splicing structure of steel bridge deck pavement structure |
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| CN111705655A (en) * | 2020-07-03 | 2020-09-25 | 重庆市智翔铺道技术工程有限公司 | Prefabricated module splicing structure of steel bridge deck pavement structure |
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Application publication date: 20170811 |
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