CN205314285U - That adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure - Google Patents
That adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure Download PDFInfo
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- CN205314285U CN205314285U CN201620078330.7U CN201620078330U CN205314285U CN 205314285 U CN205314285 U CN 205314285U CN 201620078330 U CN201620078330 U CN 201620078330U CN 205314285 U CN205314285 U CN 205314285U
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Abstract
The utility model belongs to the technical field of civil engineering structure shock attenuation anti -wind, a that adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure is provided. Should prevent bucking power consumption bearing structure uses in the middle of the wide core in narrow both ends as the major structure, region that the core both ends are widened symmetry respectively is equipped with two floors of putting more energy into, the formation tip is criss -cross structure, the both ends extend portion of core is equipped with the screw for cross installation connection plate on the installation connection plate, bearing structure passes through GFRP high strength bolt and is connected with frame construction with the installation connection plate, four GFRP angle steel set up respectively around the core, constitute the cross, and rethread GFRP high strength bolt is together fixed with the core. The restraint part is for adopting the GFRP angle steel, its self light in weight, and intensity is high, the common light weight, high strength who says promptly. Remove in addition, its is anticorrosive, fatigue resistance can be good, can tingle, alkali, villaumite and moist medium -term and long -term use of environment, therefore can improve the life of structure.
Description
Technical field
This utility model belongs to civil engineering structure damping wind resistance technical field, a kind of flexion-proof energy consumption supporting structure adopting GFRP angle steel to retrain.
Background technology
Modern building fabric have to consider the anti-seismic performance of building structure in the design process, is particularly at the building structure of earthquake district occurred frequently. Except needs prevent eaerthquake damage, the design of many building structure also needs to consider its wind resistance.
Structure systems with energy dissipation, will be more superior in safety, economy and technological rationality compared with traditional Aseismic Structure System. The ultimate principle of traditional anti-seismic structure is to resist geological process by the anti-seismic performance (intensity, rigidity) of enhancing structure itself, namely relies on the damage of structure itself and supporting member to store, change and earthquake energy. Structural seismic capacity depends primarily on ability of elastic-plastic deformation and the hysteretic loop energy dissipation capacity of structure, and structure itself does not possess the ability of self regulation, it may be said that be passive passive earthquake resistant construction.
Structure systems with energy dissipation is owing to being provided with non-bearing dissipative member (energy dissipation brace, energy-consuming shear wall etc.); they have bigger energy dissipation capacity; in macroseism, dissipative cell energy rate is introduced into power consumption state; consume the earthquake response of the seismic energy in input structure and attenuating structure; protection agent structure and component exempt from damage, so that it is guaranteed that the safety that structure is in macroseism. For Passive Energy Dissipation Structures is the earthquake response being reduced structure by the mode of " flexible energy dissipation ", agent structure and the energy dissipator division of labor are clearly, the supporting member of agent structure is responsible for bearing primary load, and energy dissipator nonload bearing element, only undertake and provide bigger damping, the effect of the seismic energy of dissipation input structure into structure. Can reducing the setting of structural elements, section and arrangement of reinforcement so on the one hand, on the other hand due to the coordination of energy dissipator, dissipated a part of seismic energy, thus improve the quake-resistant safety degree that structure is overall.Engineering data shows, adopts seismic energy dissipation structure system, can save the cost of structure 5%～10% for new building. Development along with Building technology, high-strength light material is more and more used, structural elements section is more and more less, height of house is more and more higher, structural span is also increasing, to meet the requirement of structural seismic, the simple strength and stiffness relying on component in tradition aseismic theory cannot be adopted, the method resisting earthquake in the way of " very stiff and demanding ", For Passive Energy Dissipation Structures is then more prone to " defeating a force with a tenderness ", structure is more high, more soft, span is more big, and energy-dissipating and shock-absorbing effect is more notable. Thus, For Passive Energy Dissipation Structures adapts to the development of modern building technology more.
In present architectural structural system, frame structure and frame-brace structure application are very extensive. The anti-side rigidity of pure frame structure is limited, and under earthquake and high wind load action, lateral displacement is relatively big, limits his application height. The problem that frame-brace structure to some extent solves structure anti-side rigidity, but it is easily generated flexing phenomenon under severe earthquake action during pressurized, very easily cause support itself or the destruction linked and inefficacy, support the Hysteresis Behavior after flexing less able simultaneously, it is difficult to effective power consumption, makes the shock resistance of structure reduce. For solving to support the problem of compressive buckling, some scholars develop a kind of supporting member that can prevent flexing, are called buckling-restrained energy-dissipation. Buckling-restrained energy-dissipation is generally made up of 3 parts, i.e. core cell, constraint element and sliding mechanism unit. Common buckling-restrained energy-dissipation includes two types, i.e. grouting-type and clean steel type. Grouting-type refers to that constraint material is concrete material, and clean steel type then refers to that whole product only uses the situation of steel. Grouting-type product is early production, uses relatively broad in various countries, and clean steel type then develops later relatively, but owing to himself is with the obvious advantage, has started to use in various countries' large area. But, there is a common issue in the buckling-restrained energy-dissipation of both types, it is simply that a support arrangement own wt is too big, brings very big inconvenience to installation and application.
Social science and technology and civil engineering structure discipline development are rapid, and this has benefited from the new material of excellent, the application of new technique and development to a great extent. Wherein GFRP (GlassFiberReinforcedPlastics) with the mechanical property of its excellence and adapts to modern project structure to the big demand across, towering, heavily loaded, lightweight development, just it is applied in science of bridge building, all kinds of civil buildings, ocean engineering, underground engineering more and more widely, is received the extensive concern of Structural Engineering circle. GFRP various aspects of performance is as follows: (1) tensile strength is high. The tensile strength of GFRP is obviously higher than reinforcing bar, and similar with high tensile steel wire tensile strength, 2 times that are usually reinforcing bar even reach 10 times. (2) GFRP material is anticorrosive, anti-fatigue performance good, it is possible to use for a long time in the environment of acid, alkali, villaumite and humidity, thus can improve the service life of structure, and this is that other structural material is difficult to. (3) very light in weight, but intensity is significantly high, namely usually said high-strength light. Therefore adopting GFRP material can alleviate dead load, easy construction, its weight is generally the 20% of steel. (4) good designability. GFRP belongs to artificial material, can adopt different fibrous material, fiber content according to requirement of engineering and elaborate the different process such as mode and design the GFRP product that varying strength index, elastic modelling quantity and property require, and GFRP shape of product can flexible design.(5) can factorial praluction, in-site installation, advantageously ensure that construction quality, raise labour efficiency and building industrialization.
Utility model content
The purpose of this utility model is to solve the existing anti-buckling following two aspect problems supporting existence: (1) existing grouting-type and anti-buckling support of clean steel type exist from problem great, that not easily install; (2) it is welded to connect anti-buckling support of assembled to exist constraint component generation damage, and once weld, constraint component is not easily separated, the problem that also will damage constraint component time separately.
The technical solution of the utility model:
A kind of flexion-proof energy consumption supporting structure adopting GFRP angle steel to retrain, including central layer, antifriction layer, GFRP angle steel, GFRP high-strength bolt, installs gusset plate and ribbed stiffener;
The longitudinal direction composition of this flexion-proof energy consumption supporting structure is divided into three parts: surrender section c without constraint non-compliant section a, constraint non-compliant section b and constraint;
Constraint surrender section c is the interlude of flexion-proof energy consumption supporting structure, is completely encapsulated in constraint component GFRP angle steel, and its cross section adopts in-line; Constraint non-compliant section b is the extension of constraint surrender section c, is wrapped in constraint component GFRP angle steel, increases the cross-sectional width of constraint non-compliant section b by welding ribbed stiffener 6; Without the extension that constraint non-compliant section a is constraint non-compliant section b, its not restrained parts GFRP angle steel wraps up, and it is support the part being connected with frame structure; Avoid installing between gusset plate 5 and constraint component GFRP angle steel 3 and contact, outside headspace d is being set without constraint non-compliant section a place;
This flexion-proof energy consumption supporting structure central layer 1 wide with middle narrow two ends is for agent structure, and the region that central layer two ends are widened is respectively symmetrically and is provided with two floors 6 of putting more energy into, and forming end is criss-cross structure; The extension, two ends of central layer 1 is that cross installs gusset plate 5, installs gusset plate 5 and is provided with screw, and supporting construction is connected with frame structure by GFRP high-strength bolt 4 and installation gusset plate 5; Four GFRP angle steel 3 are separately positioned on around central layer 1, form cross, are fixed together again through GFRP high-strength bolt and central layer 1. Antifriction layer 2 it is additionally provided with between described central layer 1 and constraint component GFRP angle steel 3.
Described central layer 1 is typical Low Yield Point Steel 08F steel, and its yield strength only has 176N/mm2, and its yield strength dispersion degree is only small, only ± 20N/mm2, it does not have significantly yield point, and ductility Hysteresis Behavior is fine, just surrenders power consumption when only small deformation, is a kind of extraordinary power consumption energy material.
Described antifriction layer 2 is soap-free emulsion polymeization expandable material, such as rubber, polyethylene, silica gel, latex etc., is effectively reduced or eliminates the frictional force between central layer 1 and constraint component GFRP angle steel 3 and shearing.
The beneficial effects of the utility model:
1, the flexion-proof energy consumption supporting structure of GFRP angle steel constraint is compared with other general anti-buckling support, and constraint component is adopt the angle steel of GFRP material, and himself is lightweight, and intensity is high, namely usually said high-strength light. In addition, it is anticorrosive, anti-fatigue performance good, it is possible to uses for a long time in the environment of acid, alkali, villaumite and humidity, thus can improve the service life of structure;
2, the central layer of flexion-proof energy consumption supporting structure of GFRP angle steel constraint and GFRP angle steel are fitted together by bolt, when angle steel or kernel central layer can conveniently be dismantled after being damaged, it is easy to change;
3, the flexion-proof energy consumption supporting structure of GFRP angle steel constraint is bolt-connected on gusset plate, can avoid Site Welding and detection, easy for installation and economical.
Accompanying drawing explanation
Fig. 1 is Whole structure model figure of the present utility model.
Fig. 2 is internal structure composition diagram of the present utility model.
Fig. 3 is two ends of the present utility model sectional views.
Fig. 4 is outer surface level structure composition diagram of the present utility model.
Fig. 5 is Section A-A figure of the present utility model.
Fig. 6 is section B-B figure of the present utility model.
In figure: 1 central layer; 2 antifriction layers; 3GFRP angle steel; 4GFRP high-strength bolt; 5 install gusset plate; 6 ribbed stiffeners; A is without constraint non-compliant section; B retrains non-compliant section; C constraint surrender section; The outside headspace of d.
Detailed description of the invention
Below in conjunction with accompanying drawing and technical scheme, further illustrate detailed description of the invention of the present utility model.
This utility model provides the flexion-proof energy consumption supporting structure of a kind of GFRP angle steel constraint, and its procedure of processing and detailed description of the invention are as follows:
Procedure of processing:
One, prepare central layer 1 welding to put more energy into floor 6: the constraint non-compliant section welding at the kernel unit central layer of anti-buckling support is put more energy into floor 6, obtain band and put more energy into the anti-buckling support kernel unit central layer 1 of floor; Two, prepare GFRP angle steel 3: the band obtained according to step one is put more energy into the anti-buckling support kernel unit central layer 1 of floor, prepare four identical, and sizeable GFRP angle steel 3; Three, preparation GFRP high-strength bolt 4: utilize GFRP material to prepare a number of high-strength bolt 4; Four, hole on GFRP angle steel 3: the GFRP angle steel 3 obtained according to step 2 and three and GFRP high-strength bolt 4, on GFRP angle steel 3, drill through the bolt hole of applicable bolt; Five, soap-free emulsion polymeization processes: carries out soap-free emulsion polymeization process using rubber as the put more energy into anti-buckling support kernel unit central layer 1 of floor of the band that step one is obtained by the antifriction layer of soap-free emulsion polymeization 2, obtains the anti-buckling support kernel unit after soap-free emulsion polymeization processes; Six, parcel is assembled: the GFRP high-strength bolt 4 that four the GFRP angle steel 3 utilizing step 2 to obtain and step 3 obtain, soap-free emulsion polymeization process rear defence buckling support kernel unit step 5 obtained is clamped and is fitted together, and completes to assemble the flexion-proof energy consumption supporting structure obtaining the constraint of GFRP angle steel. The flexion-proof energy consumption supporting structure finally retrained by GFRP angle steel is by being connected in frame structure on GFRP high-strength bolt 4 and installation gusset plate 5.
Under geological process, the responsive to axial force that anti-buckling support arrangement bears all is born by the central layer 1 at the center of support, and this central layer 1 surrenders power consumption under axial tension and pressure effect; And the constraint component GFRP angle steel 3 of periphery is supplied to central layer 1 bending restriction, increase the rigidity of central layer 1, prevent central layer 1 from complete buckling occurring when pressurized and retrains its cripling, make central layer 1 be attained by the abundant surrender of total cross-section under pulling force and pressure effect, it is ensured that stablizing of hysteresis loop; Due to poisson effect, central layer 1 can expand in pressurized situation, is therefore provided with one layer of antifriction layer rubber lamella 2 of soap-free emulsion polymeization between central layer 1 and constraint component GFRP angle steel 3, it is possible to reduce or pass to constraint component GFRP angle steel 3 when eliminating central layer 1 by axle power; In constraint non-compliant section, central layer 1 is provided with ribbed stiffener 6 and amasss to increase member section, guarantees that it works at elastic stage with this.
Claims (3)
1. one kind adopts the flexion-proof energy consumption supporting structure that GFRP angle steel retrains, it is characterised in that this flexion-proof energy consumption supporting structure includes central layer, antifriction layer, GFRP angle steel, GFRP high-strength bolt, installs gusset plate and ribbed stiffener;
The longitudinal direction composition of this flexion-proof energy consumption supporting structure is divided into three parts: surrender section without constraint non-compliant section, constraint non-compliant section and constraint;
Constraint surrender section is the interlude of flexion-proof energy consumption supporting structure, is completely encapsulated in constraint component GFRP angle steel, and its cross section adopts in-line; Constraint non-compliant section is the extension of constraint surrender section, is wrapped in constraint component GFRP angle steel, increases the cross-sectional width of constraint non-compliant section by welding ribbed stiffener; Without the extension that constraint non-compliant section is constraint non-compliant section, its not restrained parts GFRP angle steel wraps up, and it is support the part being connected with frame structure; Avoid installing between gusset plate and constraint component GFRP angle steel and contact, outside headspace is being set without constraint non-compliant section place;
This flexion-proof energy consumption supporting structure central layer wide with middle narrow two ends is for agent structure, and the region that central layer two ends are widened is respectively symmetrically and is provided with two floors of putting more energy into, and forming end is criss-cross structure; The extension, two ends of central layer is that cross installs gusset plate, installs gusset plate and is provided with screw, and supporting construction is connected with frame structure by GFRP high-strength bolt and installation gusset plate; Four GFRP angle steel are separately positioned on around central layer, form cross, fix again through GFRP high-strength bolt and central layer; Antifriction layer it is additionally provided with between described central layer and constraint component GFRP angle steel.
2. flexion-proof energy consumption supporting structure according to claim 1, it is characterised in that described central layer is low-yield 08F steel, and yield strength is 176N/mm2。
3. flexion-proof energy consumption supporting structure according to claim 1 and 2, it is characterized in that, described antifriction layer is soap-free emulsion polymeization expandable material: rubber, polyethylene, silica gel or latex, effectively reduces or eliminates the frictional force between central layer and constraint component GFRP angle steel and shearing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078330.7U CN205314285U (en) | 2016-01-26 | 2016-01-26 | That adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620078330.7U CN205314285U (en) | 2016-01-26 | 2016-01-26 | That adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure |
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| CN205314285U true CN205314285U (en) | 2016-06-15 |
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| CN201620078330.7U Withdrawn - After Issue CN205314285U (en) | 2016-01-26 | 2016-01-26 | That adopts restraint of GFRP angle steel prevents bucking power consumption bearing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696719A (en) * | 2016-01-26 | 2016-06-22 | 大连理工大学 | Buckling restrained energy-consuming support structure restrained by adopting GFRP angle steel |
| CN107338720A (en) * | 2017-07-05 | 2017-11-10 | 中铁二院工程集团有限责任公司 | Board-like suspension rod wind resistance guiding device |
-
2016
- 2016-01-26 CN CN201620078330.7U patent/CN205314285U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696719A (en) * | 2016-01-26 | 2016-06-22 | 大连理工大学 | Buckling restrained energy-consuming support structure restrained by adopting GFRP angle steel |
| CN105696719B (en) * | 2016-01-26 | 2018-06-08 | 大连理工大学 | A kind of flexion-proof energy consumption supporting structure constrained using GFRP angle steel |
| CN107338720A (en) * | 2017-07-05 | 2017-11-10 | 中铁二院工程集团有限责任公司 | Board-like suspension rod wind resistance guiding device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20180608 |