CN108277880A - A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame - Google Patents
A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame Download PDFInfo
- Publication number
- CN108277880A CN108277880A CN201810069345.0A CN201810069345A CN108277880A CN 108277880 A CN108277880 A CN 108277880A CN 201810069345 A CN201810069345 A CN 201810069345A CN 108277880 A CN108277880 A CN 108277880A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- controlled element
- automatic control
- follow
- self controlled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 27
- 238000005265 energy consumption Methods 0.000 title abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 6
- 210000003205 muscle Anatomy 0.000 claims description 23
- 210000002435 tendon Anatomy 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
Abstract
The invention discloses a kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frames, including ordinary reinforced concrete column and it placed the no-bonding pre-stress concrete beam of modified self controlled element, modified self controlled element includes transfer, deformation box, locating bar, bearing plate and filled and process.The stressed member of modified self controlled element uses glass mat material, utilize the property of its brittle break, under normal use and common earthquake state, self controlled element keeps normal stress, it does not change, and under rarely occurred earthquake, the stress that self controlled element is passed to by device reaches a certain threshold value, brittle break occurs immediately for the stressed member of self controlled element, and a degree of displacement occurs in Impact direction, presstressed reinforcing steel is set to relax, to reduce the stress in presstressed reinforcing steel, reduce the bearing capacity of frame, ultimately form beam hinge energy consumption mechanism, improve the energy dissipation capacity of unbonded prestressed reinforced concrete frame.
Description
Technical field
The present invention relates to a kind of structural engineering technical fields, and in particular to a kind of follow-on automatic control energy consumption soap-free emulsion polymeization
Prestressed concrete frame.
Background technology
Geological process is that have powerful destructiveness and randomness, it is desirable that is maintained at bullet modeling in violent earthquake effect lower structure
Character state, it is very uneconomic not occur to destroy.Not only economic but also safety Aseismic Design was to allow to tie under violent earthquake effect
Structure destroys seriously, but should not collapse.Therefore, the characteristics of energy of earthquake is Aseismic Design is consumed by elastic-plastic deformation, improved
Deformation, energy dissipation capacity and the whole shock resistance of structure prevent " big shake " higher than fortification intensity from not falling, form beam and cut with scissors energy consumption machine
System is Aseismic Design target to be achieved, and automatic control energy consumption unbonded prestressed reinforced concrete frame is exactly to be designed under this thought
Come.
Invention content
The purpose of the invention is to overcome, the ratio of reinforcement is high in unbonded prestressed concrete structure beam, is not easy to form beam hinge
The problem of energy consumption mechanism, and previous generation automatic control dissipative cell unbonded prestressed reinforced concrete frames are improved, it provides
A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame.
The technical solution adopted by the present invention is：A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame, packet
Include ordinary reinforced concrete column and no-bonding pre-stress concrete beam；The ordinary reinforced concrete column includes that muscle, outer is indulged in inside
Muscle, stirrup are indulged in side, and stirrup indulges muscle around inside and muscle arrangement is indulged in outside；The no-bonding pre-stress concrete beam includes that top is vertical
Muscle, lower part indulge muscle, stirrup, and stirrup indulges muscle arrangement around upper longitudinal bar and lower part,；
The no-bonding pre-stress concrete beam further include modified self controlled element, turner bar, unbonded prestressing tendon and
Anchor, the unbonded prestressing tendon carry out broken line type arrangement by turner bar in no-bonding pre-stress concrete beam,
The modified self controlled element is mounted on the turning point on the downside of unbonded prestressing tendon, and unbonded prestressing tendon both side ends pass through
Anchor carries out anchor connection；
The modified self controlled element includes transfer, bearing plate, deforms box, filled and process and locating bar, described fixed
The stirrup of turning point is welded and is positioned on the downside of position stick and presstressed reinforcing steel, and the bearing plate is filled by construction structure glue and steering
It sets, deform box connection, the deformation box is made of two pieces of trapezoidal side shields and a block length square floor, and bottom plate both sides are equipped with positioning
Stick, deformation box are internally provided with filled and process.
It is arranged preferably, the stirrup is encrypted in unbonded prestressing tendon turning point.
Preferably, the transfer is made of circular cylinder steel member and steel plate welding, prestressing without bondn is born
The load that muscle turning point is transmitted passes to downside bearing plate by lower steel plate dispersion, improves the bearing capacity of component,
Enhance energy dissipation capacity.
Preferably, the bearing plate is made of glass mat, it is complete using the feature of glass mat brittle break
At core design.The length of bearing plate is slightly wider 50mm than deformation box both sides, can be consolidated with concrete after concreting, shape
At fixed end, bearing capacity is improved.
Preferably, the side shield and bottom plate of the deformation box are all made of carbon fiber making.Both sides side shield is trapezoidal, is held
By the load transmitted by bearing plate, and resist coagulation earth lateral pressure；Bottom is made of the rectangular carbon fiber board of a block length,
There are the spaces of 2cm to bond locating bar for both sides.Both sides side shield lower edge and bottom plate are bonding by construction structure glue.
Preferably, the locating bar is made of circular cylinder steel member, both ends and the stirrup at modified self controlled element
Welding, to which modified self controlled element be fixed on the positioning.
Preferably, the filled and process uses EPE pearl wool, water proof is moisture-proof, and toughness is good, is filled in inside deformation box,
It can be effectively prevent the infiltration of concrete, prevent it from influencing the performance of modified self controlled element.
The present invention, which thes improvement is that, designs a kind of modified self controlled element, and the material of main stressed member is changed into glass
Glass fiberboard, this be one kind using glass fibre as reinforcing material, fibre reinforced plastics of the thermosetting plastics as matrix, with the previous generation
It is compared by the self controlled element of main material of cast iron, modified self controlled element performance is more stablized, and intensity is high, corrosion-resistant, anti-ageing
Change, waterproof, can design strong；Next converted the force way of self controlled element, and former generation self controlled element is pressure-containing member and prestressing force
Muscle direction is identical, and material itself is caused to occupy Free up Memory, and release distance is limited, and presstressed reinforcing steel stress decrease amplitude is smaller.This
The pressure-containing member of secondary modified self controlled element is vertical with presstressed reinforcing steel direction, and it is presstressed reinforcing steel that can make the height of self controlled element
Falling head, the Free up Memory bigger of presstressed reinforcing steel causes self controlled element design size to become smaller, and dead weight lightens, and cost is lower
Honest and clean, technical solution is more ripe.
Advantageous effect：A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame provided by the invention, is being protected
Improvement is made while the advantages of staying automatic control energy consumption unbonded prestressed reinforced concrete frame.By change load component material and
The force modes of self controlled element, improve the stability of self controlled element stress first, while effectively increasing the energy consumption of self controlled element
Ability.While material itself is not take up Free up Memory, make the Free up Memory bigger of unbonded prestressing tendon, to a greater degree
The bearing capacity for reducing Vierendeel girder makes beam hinge be faster than column hinge and occurs, unbonded prestressed reinforced concrete frame is faster promoted to form beam
Cut with scissors energy consumption mechanism.
Description of the drawings
Fig. 1 is a kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame structural schematic diagram；
Fig. 2 is sectional view at A-A in Fig. 1；
Fig. 3 is sectional view at B-B in Fig. 1；
Fig. 4 is the no-bonding pre-stress concrete beam Local map that placed modified self controlled element；
Fig. 5 is partial enlarged view at C in Fig. 4；
Fig. 6 is partial enlarged view at D in Fig. 4；
Fig. 7 is modified self controlled element tomograph；
Fig. 8 is the modified self controlled element front view after destroying；
Fig. 9 is the modified self controlled element tomograph after destroying.
Specific implementation mode
The specific implementation mode of the present invention is further described below in conjunction with the accompanying drawings：
As shown in figs 1-9, a kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame, including regular reinforcement are mixed
Solidifying earth pillar 1 and the no-bonding pre-stress concrete beam 2 that placed modified self controlled element.The ordinary reinforced concrete column 1 wraps
It includes inside and indulges muscle 3, the vertical muscle 3 in outside, stirrup 4, the no-bonding pre-stress concrete beam 2 that placed modified self controlled element is wrapped
Include upper longitudinal bar 3, muscle 3, stirrup 4, modified self controlled element 5, turner bar 6, unbonded prestressing tendon 7, anchor are indulged in lower part
8；
As shown in figure 3, the stirrup 4 of the ordinary reinforced concrete column indulges muscle 3 around inside and outside is indulged muscle 3 and arranged；
As shown in figure 4, unbonded prestressing tendon 7 is anchored by anchor 8 with beam；
As shown in figure 5, the turner bar 6 is welded with stirrup 4, the upside of unbonded prestressing tendon 7 passes through turner bar 6
Carry out broken line type arrangement；
As shown in fig. 6, modified self controlled element 5 is located at the turning point on the downside of beam mounted on unbonded prestressing tendon, pass through
Locating bar 13 is installed with the welding of stirrup 4；
As shown in fig. 7, the modified self controlled element 5 includes transfer 9, bearing plate 10, deformation box 11, filled and process
12 and locating bar 13.The stirrup 4 of locating bar 13 and turning point on the downside of presstressed reinforcing steel is welded and is positioned, and the bearing plate 10 is logical
It crosses construction structure glue to connect with transfer 9, deformation box 11, the deformation box 11 is rectangular by two pieces of trapezoidal side shields and a block length
Bottom plate is formed by building structure gluing knot, and bottom plate is filled out by building structure gluing knot locating bar 13, the 11 inside setting of deformation box
Fill foam 12.
In unbonded prestressed reinforced concrete frame is consumed energy in modified automatic control, peace of the modified self controlled element in Vierendeel girder
Steps are as follows for dress：
1, muscle and stirrup are indulged in binding beam upper longitudinal bar, lower part；
2, unbonded prestressing tendon is bound, and arrangement stirrup is encrypted in the turning point of design；
3, it in the downside turning point of unbonded prestressing tendon, is welded by the locating bar and stirrup of modified self controlled element,
Modified self controlled element is installed；
4, it in the upside turning point of unbonded prestressing tendon, is welded by turner bar and stirrup, carries out broken line type arrangement；
5, casting concrete；
6, tensioning is carried out to unbonded prestressing tendon, is anchored by anchor.
Function and effect：As Figure 8-9, modified self controlled element 5 plays a role, and bearing plate 10 is destroyed, presstressed reinforcing steel
It is released.
Embodiments of the present invention are described in detail above in association with attached drawing, but the present invention is not limited to described reality
Apply mode.For those of ordinary skill in the art, in the range of the principle of the present invention and technological thought, to these implementations
Mode carries out a variety of variations, modification, replacement and deformation and still falls in protection scope of the present invention.
Claims (7)
- The unbonded prestressed reinforced concrete frame 1. a kind of follow-on automatic control is consumed energy, it is characterised in that：Including regular reinforcement coagulation Earth pillar and no-bonding pre-stress concrete beam；The ordinary reinforced concrete column includes that muscle is indulged in inside, muscle, stirrup are indulged in outside, hoop Muscle enclose indulges muscle around inside and muscle arrangement is indulged in outside；The no-bonding pre-stress concrete beam includes upper longitudinal bar, the vertical muscle in lower part, hoop Muscle, stirrup indulge muscle arrangement around upper longitudinal bar and lower part,；The no-bonding pre-stress concrete beam further includes modified self controlled element, turner bar, unbonded prestressing tendon and anchoring Device, the unbonded prestressing tendon carries out broken line type arrangement by turner bar in no-bonding pre-stress concrete beam, described Modified self controlled element is mounted on the turning point on the downside of unbonded prestressing tendon, and unbonded prestressing tendon both side ends pass through anchoring Device carries out anchor connection；The modified self controlled element includes transfer, bearing plate, deformation box, filled and process and locating bar, the locating bar Weld and is positioned with the stirrup of turning point on the downside of presstressed reinforcing steel, the bearing plate by construction structure glue and transfer, Box connection is deformed, the deformation box is made of two pieces of trapezoidal side shields and a block length square floor, and bottom plate both sides are equipped with locating bar, Deformation box is internally provided with filled and process.
- The unbonded prestressed reinforced concrete frame 2. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The stirrup is encrypted in unbonded prestressing tendon turning point and is arranged.
- The unbonded prestressed reinforced concrete frame 3. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The transfer is made of circular cylinder steel member and steel plate welding.
- The unbonded prestressed reinforced concrete frame 4. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The bearing plate is made of glass mat, and the length of bearing plate is wider 50mm than deformation box both sides.
- The unbonded prestressed reinforced concrete frame 5. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The side shield and bottom plate of the deformation box are all made of carbon fiber making.
- The unbonded prestressed reinforced concrete frame 6. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The locating bar is made of circular cylinder steel member.
- The unbonded prestressed reinforced concrete frame 7. a kind of follow-on automatic control according to claim 1 is consumed energy, feature exist In：The filled and process uses EPE pearl wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069345.0A CN108277880A (en) | 2018-01-24 | 2018-01-24 | A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069345.0A CN108277880A (en) | 2018-01-24 | 2018-01-24 | A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108277880A true CN108277880A (en) | 2018-07-13 |
Family
ID=62804906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810069345.0A Withdrawn CN108277880A (en) | 2018-01-24 | 2018-01-24 | A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN108277880A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924680A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Precast concrete beam and square-rectangular concrete-filled steel tube column combining joint employing unbonded prestressed and ordinary reinforcement for connection |
| CN105401655A (en) * | 2015-12-16 | 2016-03-16 | 南京工业大学 | Self-control energy consumption unbonded prestressed concrete framework |
| RU165473U1 (en) * | 2016-04-11 | 2016-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный архитектурно-строительный университет" КГАСУ | STEEL-CONCRETE PRE-STRESSED BEAM |
| CN107152097A (en) * | 2017-05-12 | 2017-09-12 | 东南大学 | Band attached prestressing force assembled outside plate framework of encorbelmenting consumes energy the structure of frame strengthening |
| CN107165272A (en) * | 2017-06-22 | 2017-09-15 | 中国建筑股份有限公司 | Prestressing force assembly concrete frame joint attachment structure and its construction method |
| CN107237402A (en) * | 2016-08-02 | 2017-10-10 | 北京市建筑工程研究院有限责任公司 | A kind of low damage Self-resetting assembly concrete two-way frame bean column node |
| CN207846657U (en) * | 2018-01-24 | 2018-09-11 | 南京工业大学 | A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame |
-
2018
- 2018-01-24 CN CN201810069345.0A patent/CN108277880A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924680A (en) * | 2014-04-14 | 2014-07-16 | 北京工业大学 | Precast concrete beam and square-rectangular concrete-filled steel tube column combining joint employing unbonded prestressed and ordinary reinforcement for connection |
| CN105401655A (en) * | 2015-12-16 | 2016-03-16 | 南京工业大学 | Self-control energy consumption unbonded prestressed concrete framework |
| RU165473U1 (en) * | 2016-04-11 | 2016-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный архитектурно-строительный университет" КГАСУ | STEEL-CONCRETE PRE-STRESSED BEAM |
| CN107237402A (en) * | 2016-08-02 | 2017-10-10 | 北京市建筑工程研究院有限责任公司 | A kind of low damage Self-resetting assembly concrete two-way frame bean column node |
| CN107152097A (en) * | 2017-05-12 | 2017-09-12 | 东南大学 | Band attached prestressing force assembled outside plate framework of encorbelmenting consumes energy the structure of frame strengthening |
| CN107165272A (en) * | 2017-06-22 | 2017-09-15 | 中国建筑股份有限公司 | Prestressing force assembly concrete frame joint attachment structure and its construction method |
| CN207846657U (en) * | 2018-01-24 | 2018-09-11 | 南京工业大学 | A kind of follow-on automatic control energy consumption unbonded prestressed reinforced concrete frame |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180713 |
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| WW01 | Invention patent application withdrawn after publication |