CN106567498A - Structure for relieving expansion stress of steel frame embedded glass reinforced plastic stiffened plates - Google Patents
Structure for relieving expansion stress of steel frame embedded glass reinforced plastic stiffened plates Download PDFInfo
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- CN106567498A CN106567498A CN201510655381.1A CN201510655381A CN106567498A CN 106567498 A CN106567498 A CN 106567498A CN 201510655381 A CN201510655381 A CN 201510655381A CN 106567498 A CN106567498 A CN 106567498A
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- Prior art keywords
- steel
- stiffened panel
- fiberglass
- stress
- eliminating
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 140
- 239000010959 steel Substances 0.000 title claims abstract description 140
- 239000011152 fibreglass Substances 0.000 title claims abstract description 48
- 239000011521 glass Substances 0.000 claims description 29
- 230000008961 swelling Effects 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 13
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 37
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 229920006387 Vinylite Polymers 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004635 Polyester fiberglass Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The invention provides a structure for relieving the expansion stress of steel frame embedded glass reinforced plastic stiffened plates. The structure comprises a rectangular steel frame and the multiple glass reinforced plastic stiffened plates arranged on the inner side of the rectangular steel frame. Each glass reinforced plastic stiffened plate is provided with a first end and a second end, wherein the first end is fixed to the inner side of the rectangular steel frame, and a stress relieving device is arranged between the second end and the rectangular steel frame. The stress relieving device comprises angle steel fixed to the glass reinforced plastic stiffened plates and steel lugs fixed to the rectangular steel frame; the steel lugs are provided with strip-shaped holes; the angle steel is provided with bolts; and the angle steel is arranged in the strip-shaped holes through the bolts in a penetrating mode so as to be connected with the steel lugs. According to the structure for relieving the expansion stress of the steel frame embedded glass reinforced plastic stiffened plates, the stress relieving device is arranged between the glass reinforced plastic stiffened plates and the rectangular steel frame, so that excessive expansion of the glass reinforced plastic stiffened plates is absorbed in time, and the technical problem that the steel frame is overall deformed or disengaged due to the expansion effect is solved.
Description
Technical field
It is the present invention relates to glass fiber reinforced plastics product mounting technique more particularly to a kind of for eliminating steel framework embedded glass
The structure of steel stiffened panel swelling stress, belongs to glass-reinforced plastic material mounting technique field.
Background technology
In some engineering practical structures, fiberglass stiffened panel needs to be embedded in steel framework structure.As schemed
Shown in 1, fiberglass reinforcement is embedded in steel framework, and reinforcement is welded to connect with steel framework.After expanded by heating,
The deformation of muscle is limited by steel framework, due to both fiberglass and steel thermal coefficient of expansions it is different, therefore meeting
Thermal expansion stress is produced, so as to bring hidden danger.
Two different materials of thermal coefficient of expansion are bonded together, and during temperature change, thermal coefficient of expansion is big
Compression chord, the little tension stress of thermal coefficient of expansion.Such as, the thermal coefficient of expansion of ordinary carbon steel is 12.5
× 10-6/ DEG C, determine that its thermal expansion is more complicated (with making the characteristics of the non-isotropy of fiberglass
Technique, material are relevant with direction), the enhanced thermosetting polyester fiberglass of glass cloth of accurate orthogonal laying
The coefficient of expansion (15-30) × 10-6/ DEG C, the fiber glass epoxy coefficient of expansion (20-50) × 10-6/ DEG C,
Glass woven roving strengthens about 20 × 10-6/ DEG C of the thermal coefficient of expansion of vinylite.
Knowable to data, the expansion coefficient difference of fiberglass and steel is between 1 times and 2 times.It is so big
Thermal expansion coefficient difference produce larger thermal stress.If steel or fiberglass either party deformation are received
Limit, thermal stress will be transmitted to the interface of the two, and thermal stress can change into shear stress or peel stress,
So weaken significantly the bearing capacity of structure.Fiberglass stiffened panel is embedded in steel framework, and the deformation of muscle is just
Limited by steel framework, therefore potential safety hazard will be produced.Therefore it is necessary to correct process is embedded in steel framework
On fiberglass stiffened panel and steel framework type of attachment.
The content of the invention
The present invention provides a kind of structure for eliminating steel framework embedded glass steel stiffened panel swelling stress, to solve
Because expansion stroke difference is susceptible to cracking when certainly in prior art, fiberglass stiffened panel is embedded in steel framework
Technical problem.
The structure for eliminating steel framework embedded glass steel stiffened panel swelling stress of the embodiment of the present invention, including：
Rectangle steel framework, and it is arranged at a plurality of fiberglass stiffened panel of the rectangle steel inframe side；
There is first end and the second end per fiberglass stiffened panel described in bar, the first end is fixed on the square
The inner side of shape steel framework；Stress eliminating device is provided between second end and the rectangle steel framework；
The stress eliminating device includes：The angle steel being fixed on the fiberglass stiffened panel, and it is fixed
Steel ear on the rectangle steel framework；
Bar hole is offered on the steel ear, on the angle steel, bolt is provided with；The angle steel is by described
Bolt is worn in the bar hole, to be connected with the steel ear.
The structure for being used to eliminate steel framework embedded glass steel stiffened panel swelling stress as above, wherein, often
Described in bar, fiberglass stiffened panel includes：Steel reinforcement and the glass for being arranged at the steel reinforcement surface
Outer steel shell layer；
The angle steel is fixed on the steel reinforcement.
The structure for being used to eliminate steel framework embedded glass steel stiffened panel swelling stress as above, wherein, institute
The length direction for stating bar hole is consistent with the length direction of the fiberglass stiffened panel.
The structure for being used to eliminate steel framework embedded glass steel stiffened panel swelling stress as above, wherein, institute
Stating stress eliminating device also includes：The pad being arranged on the bolt；
The bolt is connected in the bar hole by compressing the pad.
The structure for being used to eliminate steel framework embedded glass steel stiffened panel swelling stress as above, wherein, institute
State and be mutually perpendicular between a plurality of fiberglass stiffened panel and parallel connection.
The structure for being used to eliminate steel framework embedded glass steel stiffened panel swelling stress as above, wherein, institute
State and on steel ear, offer two bar holes, on the angle steel, be provided with two bolts.
The structure for eliminating steel framework embedded glass steel stiffened panel swelling stress of the present invention, due in glass
Stress eliminating device is employed between steel stiffened panel and rectangle steel framework, so that the excess of fiberglass stiffened panel
Expansion can be absorbed in time, it is to avoid as expansion makes steel framework bulk deformation or peeling-off skill
Art problem.
Description of the drawings
Fig. 1 be prior art in be embedded in steel framework fiberglass stiffened panel structural perspective；
Structures for eliminate steel framework embedded glass steel stiffened panel swelling stress of the Fig. 2 for the embodiment of the present invention
Schematic diagram.
Specific embodiment
Such as Fig. 2, and with reference to Fig. 1；The embodiment of the present invention it is swollen for eliminating steel framework embedded glass steel stiffened panel
The structure of swollen stress, including：Rectangle steel framework 2, and be arranged at a plurality of on the inside of the rectangle steel framework 2
Fiberglass stiffened panel 1；Per fiberglass stiffened panel 1 described in bar with first end and the second end, described first
End is fixed on the inner side of the rectangle steel framework 2；It is provided between second end and the rectangle steel framework 2
Stress eliminating device.Generally, such as Fig. 1, it is mutually perpendicular between a plurality of fiberglass stiffened panel
With parallel connection.
The stress eliminating device includes：The angle steel 10 being fixed on the fiberglass stiffened panel 1, and
The steel ear 20 being fixed on the rectangle steel framework 2；Bar hole 21 is offered on the steel ear 20, it is described
Bolt 11 is provided with angle steel 10；The angle steel 10 wears the bar hole 21 by the bolt 11
It is interior, to be connected with the steel ear 20.
Generally, include per fiberglass stiffened panel 1 described in bar：Steel reinforcement and it is arranged at described
The glass fibre reinforced plastics casing layer on steel reinforcement surface；The angle steel 20 is normally fixed to the steel reinforcement
On.As steel reinforcement intensity is high, it is unlikely to deform, after angle steel 20 is fixed, loosening will not be produced, easily
Predetermined direction release is installed in swelling stress.
When the present invention is used, when fiberglass stiffened panel expands, as one end is fixed, the other end necessarily leads to
Deformation；Deformation one end absorbs stress and deformation by stress eliminating device.It is fixed on the fiberglass reinforcement
Angle steel 10 on plate 1 is moved to the side of rectangle steel framework 2, due to the structure of bar hole with bolts,
Slide in spiral ability bar hole, so that having relative motion between angle steel and steel ear, absorb stress change
Shape.
The structure for eliminating steel framework embedded glass steel stiffened panel swelling stress of the embodiment of the present invention, due to
Stress eliminating device is employed between fiberglass stiffened panel and rectangle steel framework, so that fiberglass stiffened panel
Excessive expansion can be absorbed in time, it is to avoid as expansion makes steel framework bulk deformation or stripping occurs
From technical problem.
The structure for eliminating steel framework embedded glass steel stiffened panel swelling stress of the present embodiment, the bar shaped
The length direction in hole 21 is consistent with the length direction of the fiberglass stiffened panel 1.So advantageously in change
The timely transformation of shape, most quickly eliminates stress.
Further, in the present embodiment, the stress eliminating device also includes：It is arranged on the bolt
Pad；The bolt 11 is connected in the bar hole 21 by compressing the pad.So as to ensure
It is not easily disconnected between bolt 11 and bar hole 21；Especially in the presence of the normal deformation movements of Jing, increase
Pad ensure that the stability of structure.
In addition, two bar holes 21 are offered on the steel ear 20, two on the angle steel 10, are provided with
Bolt 11, further to increase connective stability.
In fiber glass reinforced plastic smoke flue practical application, the measurement data of the structure of the present embodiment is as follows：
Consider that the glass steel surface temperature difference is 30 DEG C, the matrix temperature difference is 10 DEG C, and woven roving strengthens vinylite glass
The swell increment of glass steel is：6 × E-4, the swell increment of steel matrix is 1.25 × E-4.According to rectangular glass steel
10 meters of flue length, wide 5 meters of calculating, each layer swell increment such as table 1 below, interface residual stress and remnants should
Become such as table 2.
Table 1
(the tensile modulus of elasticity 22GPa of fiberglass, modulus of elasticity in comperssion 16GPa take from Niu Chunliang chief editors
Chimney design handbook in May, 2014, it is contemplated that cured in place is poor, stretching play mould and take 20GPa, press
Contracting plays mould and takes 15GPa)
| Fiberglass/steel matrix | |
| Overstrain | 4.75×E-4 |
| Residual stress | 9.5MPa |
Table 2
Epimere residual stress will be carried in the fatigue load at bonding interface, slowly releases with the military service of structure
Put.And interface binding intensity is generally below 7MPa, safety coefficient is certainly less than 1, even if improve interface gluing
Knotting strength, safety coefficient is also less than 2.
After the structure for eliminating steel framework embedded glass steel stiffened panel swelling stress using the present embodiment,
Residual stress and participate in the following table of strain numerical value 3.
| Fiberglass/steel matrix | |
| Overstrain | Result is not detected |
| Residual stress | 0.1MPa |
Table 2
Finally it should be noted that：Various embodiments above is only illustrating technical scheme rather than right
Its restriction；Although being described in detail to the present invention with reference to foregoing embodiments, this area it is common
Technical staff should be understood：Which still can be modified to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part or all technical characteristic；And these modifications or replacement, and
The scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution is not made.
Claims (6)
1. a kind of structure for eliminating steel framework embedded glass steel stiffened panel swelling stress, it is characterised in that
Including：Rectangle steel framework, and it is arranged at a plurality of fiberglass stiffened panel of the rectangle steel inframe side；
There is first end and the second end per fiberglass stiffened panel described in bar, the first end is fixed on the square
The inner side of shape steel framework；Stress eliminating device is provided between second end and the rectangle steel framework；
The stress eliminating device includes：The angle steel being fixed on the fiberglass stiffened panel, and it is fixed
Steel ear on the rectangle steel framework；
Bar hole is offered on the steel ear, on the angle steel, bolt is provided with；The angle steel is by described
Bolt is worn in the bar hole, to be connected with the steel ear.
2. the knot for eliminating steel framework embedded glass steel stiffened panel swelling stress according to claim 1
Structure, it is characterised in that include per fiberglass stiffened panel described in bar：Steel reinforcement and it is arranged at the steel
The glass fibre reinforced plastics casing layer on reinforcement surface processed；
The angle steel is fixed on the steel reinforcement.
3. the knot for eliminating steel framework embedded glass steel stiffened panel swelling stress according to claim 1
Structure, it is characterised in that the length direction one of the length direction of the bar hole and the fiberglass stiffened panel
Cause.
4. the knot for eliminating steel framework embedded glass steel stiffened panel swelling stress according to claim 1
Structure, it is characterised in that the stress eliminating device also includes：The pad being arranged on the bolt；
The bolt is connected in the bar hole by compressing the pad.
5. the knot for eliminating steel framework embedded glass steel stiffened panel swelling stress according to claim 1
Structure, it is characterised in that be mutually perpendicular to and parallel connection between a plurality of fiberglass stiffened panel.
6. the knot for eliminating steel framework embedded glass steel stiffened panel swelling stress according to claim 1
Structure, it is characterised in that two bar holes are offered on the steel ear, is provided with two spiral shells on the angle steel
Bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655381.1A CN106567498A (en) | 2015-10-12 | 2015-10-12 | Structure for relieving expansion stress of steel frame embedded glass reinforced plastic stiffened plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655381.1A CN106567498A (en) | 2015-10-12 | 2015-10-12 | Structure for relieving expansion stress of steel frame embedded glass reinforced plastic stiffened plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106567498A true CN106567498A (en) | 2017-04-19 |
Family
ID=58506918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510655381.1A Pending CN106567498A (en) | 2015-10-12 | 2015-10-12 | Structure for relieving expansion stress of steel frame embedded glass reinforced plastic stiffened plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567498A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327444A (en) * | 2020-10-10 | 2021-02-05 | 昆山丘钛微电子科技有限公司 | Lens assembly, camera module and terminal equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269978A (en) * | 1995-03-31 | 1996-10-15 | P N- C:Kk | Concrete encasing method for support base |
| CN2802299Y (en) * | 2005-05-13 | 2006-08-02 | 张喜清 | Frame chimney of boiler |
| CN202324539U (en) * | 2011-12-01 | 2012-07-11 | 周学义 | Combined draught flue |
| CN203834888U (en) * | 2014-03-31 | 2014-09-17 | 江西省电力设计院 | Novel low-resistance wear-resisting flue inner supporting rod for dust remover front flue |
| CN203836994U (en) * | 2014-03-31 | 2014-09-17 | 江西省电力设计院 | Novel boiler dust remover front flue |
| CN104847155A (en) * | 2015-03-26 | 2015-08-19 | 河北省电力勘测设计研究院 | Release device of temperature stress for super-long structure |
| CN205024954U (en) * | 2015-10-12 | 2016-02-10 | 国电科学技术研究院 | A structure for eliminating embedded glass steel of steel framework adds gusset expansion stress |
-
2015
- 2015-10-12 CN CN201510655381.1A patent/CN106567498A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269978A (en) * | 1995-03-31 | 1996-10-15 | P N- C:Kk | Concrete encasing method for support base |
| CN2802299Y (en) * | 2005-05-13 | 2006-08-02 | 张喜清 | Frame chimney of boiler |
| CN202324539U (en) * | 2011-12-01 | 2012-07-11 | 周学义 | Combined draught flue |
| CN203834888U (en) * | 2014-03-31 | 2014-09-17 | 江西省电力设计院 | Novel low-resistance wear-resisting flue inner supporting rod for dust remover front flue |
| CN203836994U (en) * | 2014-03-31 | 2014-09-17 | 江西省电力设计院 | Novel boiler dust remover front flue |
| CN104847155A (en) * | 2015-03-26 | 2015-08-19 | 河北省电力勘测设计研究院 | Release device of temperature stress for super-long structure |
| CN205024954U (en) * | 2015-10-12 | 2016-02-10 | 国电科学技术研究院 | A structure for eliminating embedded glass steel of steel framework adds gusset expansion stress |
Non-Patent Citations (1)
| Title |
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| 陈秉林、侯辉: "《供热、锅炉房及其环保设计技术措施》", 31 August 1989 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327444A (en) * | 2020-10-10 | 2021-02-05 | 昆山丘钛微电子科技有限公司 | Lens assembly, camera module and terminal equipment |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |