CN106759875A - It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster - Google Patents

It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster Download PDF

Info

Publication number
CN106759875A
CN106759875A CN201611158656.1A CN201611158656A CN106759875A CN 106759875 A CN106759875 A CN 106759875A CN 201611158656 A CN201611158656 A CN 201611158656A CN 106759875 A CN106759875 A CN 106759875A
Authority
CN
China
Prior art keywords
sma
concrete structure
reinforced concrete
connecting rods
stainless steel
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.)
Pending
Application number
CN201611158656.1A
Other languages
Chinese (zh)
Inventor
徐新生
杨文静
徐晓达
潘美霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Jinan
Original Assignee
University of Jinan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Jinan filed Critical University of Jinan
Priority to CN201611158656.1A priority Critical patent/CN106759875A/en
Publication of CN106759875A publication Critical patent/CN106759875A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster, comprise the following steps:A, making SMA " plastic hinge " connector, SMA connecting rods are connected between two sections of reinforcing bars, connected by stainless steel sleeve head and the tail between reinforcing bar and SMA connecting rods, stainless steel sleeve is connected with bar connecting one end using taper thread, and stainless steel sleeve is connected one end and is fixedly connected using bolt presses with SMA connecting rods;B, the areas of plasticity hinge that SMA " plastic hinge " connector is positioned over reinforced concrete structure, areas of plasticity hinge are determined by structural anti-seismic capacity;C, fixed SMA " plastic hinge " connector, then casting concrete, is built into the reinforced concrete structure for being embedded with SMA " plastic hinge " connector.The present invention improves anti-seismic performance of the reinforced concrete structure under consecutive shock disaster.

Description

It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster
Technical field
It is more particularly to a kind of to improve reinforced concrete structure resistance continuously the invention belongs to architectural and civil engineering field The method of earthquake calamity evil.
Background technology
Reinforced concrete structure is the most widely used a kind of structure type in field of civil engineering, plays and extremely weighs The effect wanted.Although reinforcing bar has good intensity, rigidity, ductility and an applicability, however its can be produced after geological process compared with Big residual deformation, and the constantly accumulating residual deformation under the effect of consecutive shock disaster, cause structural seismic performance gradually to move back Change, or even collapse, so as to the feature after structure shake cannot be ensured, it is necessary to very big maintenance and rehabilitation cost.Therefore, carry The ability of reinforced concrete structure resistance consecutive shock disaster effect high turns into problem demanding prompt solution.
The content of the invention
The technical problem to be solved in the present invention is the drawbacks described above for how overcoming prior art, there is provided one kind improves reinforcing bar and mixes The method that Xtah Crude Clay structure resists consecutive shock disaster.The method causes that existing reinforced concrete structure is protected under consecutive shock effect Hold good anti-seismic performance.
In order to solve the above technical problems, the present invention is a kind of to improve the side that reinforced concrete structure resists consecutive shock disaster Method, comprises the following steps:
A, making SMA " plastic hinge " connector, connect SMA connecting rods, by not between reinforcing bar and SMA connecting rods between two sections of reinforcing bars Rust steel bushing head and the tail are connected, and stainless steel sleeve is connected with bar connecting one end using taper thread, and stainless steel sleeve connects with SMA connecting rods One end is connect to be fixedly connected using bolt presses;
B, the areas of plasticity hinge that SMA " plastic hinge " connector is positioned over reinforced concrete structure, areas of plasticity hinge pass through structure Seismic Calculation determines;
C, fixed SMA " plastic hinge " connector, then casting concrete, is built into the reinforcing bar for being embedded with SMA " plastic hinge " connector Concrete structure.
Used as optimization, the cross section of the stainless steel sleeve is cylindrical, and one end is provided with carries out taper thread machinery with reinforcing bar The cone cylinder shape groove of connection, the other end is provided with carries out the cylinder shape groove that bolt presses are fixedly connected with SMA connecting rods, connection Longitudinally arranged zigzag guide rail in the cylinder shape groove of the stainless steel socket end of SMA connecting rods, connects the stainless steel sleeve of SMA connecting rods The cylindrical hole slot inwall at cylinder end is provided with the zigzag guide rail groove matched with the zigzag guide rail.
Used as optimization, the zigzag guide rail is evenly arranged three along longitudinal direction, be respectively arranged in cylindrical hole slot inwall by In the zigzag guide rail groove of 120 grades point processing.
Used as optimization, the reinforced concrete structure is multilayer multiple bay frame structure, unilayer moltispan frame structure or FRP muscle Concrete structure.
The beneficial effects of the invention are as follows:
The present invention is directed to reinforced concrete structure, places SMA " plastic hinge " connector in its areas of plasticity hinge so that structure can Generation large deformation is not destroyed, while recovering deformation after geological process terminates, small residual deformation is only existed, so as to improve steel Anti-seismic performance of the tendon concrete structure under consecutive shock disaster.Reinforced concrete member is overcome to resist consecutive shock disaster ability Poor defect;In addition, do not change the appearance and size of concrete, and convenient, economically feasible of constructing, it is that one kind effectively improves reinforcing bar The method that concrete structure resists consecutive shock disaster ability.With preferable actual application value and promotional value.
Brief description of the drawings
Further is made to a kind of this method for improving reinforced concrete structure resistance consecutive shock disaster below in conjunction with the accompanying drawings Explanation:
Fig. 1 is the structural representation of SMA " plastic hinge " connectors that the present invention is used and reinforcing bar combined method;
Fig. 2 is the structural representation of 1-1 sections in Fig. 1;
Fig. 3 be three layer one of one embodiment of the invention across reinforced concrete frame structure schematic diagram.
In figure:1 is reinforcing bar, 2 is stainless steel sleeve, 3 is bolt, 4 is SMA connecting rods, 5 is zigzag guide rail, A is for SMA " is moulded Property hinge " connector, B be reinforced concrete structure, C be areas of plasticity hinge.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, right The present invention is further described.
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of this method for improving reinforced concrete structure resistance consecutive shock disaster, including with Lower step:
A, quantity and diameter according to reinforced concrete structure B and required reinforcing bar 1, the SMA " plasticity needed for making the present embodiment Hinge " connector A, connects SMA connecting rods 4 between two sections of reinforcing bars 1, by the head and the tail of stainless steel sleeve 2 between reinforcing bar 1 and SMA connecting rods 4 Connection, stainless steel sleeve 2 is connected one end with reinforcing bar 1 and is connected using taper thread, and stainless steel sleeve 2 is connected one end and adopts with SMA connecting rods 4 Connection is fixed with bolt 3;
B, the plasticity that the combination muscle that SMA " plastic hinge " connector A are connected formation with reinforcing bar 1 is positioned over reinforced concrete structure B Hinge region C, areas of plasticity hinge C are determined by structural anti-seismic capacity;
C, fixed SMA " plastic hinge " connector A are connected the combination muscle for being formed with reinforcing bar 1, and then casting concrete, is built into and is embedded with The reinforced concrete structure B of SMA " plastic hinge " connectors A.
Be so designed that, by reinforced concrete structure plastic hinge region set SMA " plastic hinge " connector, formed reinforcing bar- The combination muscle of SMA- reinforcing bars.SMA connecting rods are introduced in reinforced concrete structure, the anti-seismic performance of structure is not only increased, and The residual deformation of structure is significantly reduced so as to reduce the economic loss that earthquake is brought, can be protected under consecutive shock effect Hold good anti-seismic performance, it is ensured that life security and property safety.Further, since SMA connecting rods are very sensitive to indentation, use Screw thread can reduce its intensity, therefore using different processing methods when stainless steel sleeve and reinforcing bar, the connection of SMA connecting rods, with steel Muscle is connected one end and is connected using taper thread, is connected one end with SMA and is fixedly connected using bolt presses.
Specifically, the cross section of the stainless steel sleeve 2 is cylindrical, one end is provided with carries out taper thread machinery with reinforcing bar 1 The cone cylinder shape groove of connection, the other end is provided with carries out the cylinder shape groove that bolt presses are fixedly connected with SMA connecting rods 4, connection Longitudinally arranged zigzag guide rail 5 in the cylinder shape groove at the end of stainless steel sleeve 2 of SMA connecting rods 4, connects the stainless of SMA connecting rods 4 The cylindrical hole slot inwall at the end of steel bushing 2 is provided with the zigzag guide rail groove matched with the zigzag guide rail 5.So set Meter, is connected firmly, easy to use.
Specifically, the zigzag guide rail 5 along longitudinal direction be evenly arranged three, be respectively arranged in cylindrical hole slot inwall by In the zigzag guide rail groove of 120 grades point processing.It is so designed that, connection is more firm, using more convenient.
Above-mentioned specific embodiment is only specific case of the invention, is not the limitation for making other forms to the present invention, Any those skilled in the art are changed or are modified as equivalent variations possibly also with the technology contents of the disclosure above Equivalent embodiments.But every content without departing from technical solution of the present invention, implements according to technical spirit of the invention to more than Any simple modification, equivalent variations and remodeling that example is made, should all fall into scope of patent protection of the invention.

Claims (4)

1. it is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster, it is characterised in that to comprise the following steps:
A, making SMA " plastic hinge " connector:SMA connecting rods are connected between two sections of reinforcing bars, by not between reinforcing bar and SMA connecting rods Rust steel bushing head and the tail are connected, and stainless steel sleeve is connected with bar connecting one end using taper thread, and stainless steel sleeve connects with SMA connecting rods One end is connect to be fixedly connected using bolt presses;
B, the areas of plasticity hinge that SMA " plastic hinge " connector is positioned over reinforced concrete structure, areas of plasticity hinge pass through structure Seismic Calculation determines;
C, fixed SMA " plastic hinge " connector, then casting concrete, is built into the reinforcing bar for being embedded with SMA " plastic hinge " connector Concrete structure.
2. the method that a kind of raising reinforced concrete structure as claimed in claim 1 resists consecutive shock disaster, its feature exists In:The cross section of the stainless steel sleeve is cylindrical, and one end is provided with the cone cylinder that taper thread mechanical connection is carried out with reinforcing bar Groove, the other end is provided with carries out the cylinder shape groove that bolt presses are fixedly connected with SMA connecting rods, connects the stainless steel of SMA connecting rods Longitudinally arranged zigzag guide rail in the cylinder shape groove of socket end, connects the cylindrical hole of the stainless steel socket end of SMA connecting rods Groove inwall is provided with the zigzag guide rail groove matched with the zigzag guide rail.
3. the method that a kind of raising reinforced concrete structure as claimed in claim 2 resists consecutive shock disaster, its feature exists In:The zigzag guide rail is evenly arranged three along longitudinal direction, is respectively arranged in saw of the cylindrical hole slot inwall by 120 grades point processing In tooth form guide rail groove.
4. the method that a kind of raising reinforced concrete structure as claimed in claim 1 resists consecutive shock disaster, its feature exists In:The reinforced concrete structure is multilayer multiple bay frame structure, unilayer moltispan frame structure or FRP tendon concrete structures.
CN201611158656.1A 2016-12-15 2016-12-15 It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster Pending CN106759875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611158656.1A CN106759875A (en) 2016-12-15 2016-12-15 It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611158656.1A CN106759875A (en) 2016-12-15 2016-12-15 It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster

Publications (1)

Publication Number Publication Date
CN106759875A true CN106759875A (en) 2017-05-31

Family

ID=58888906

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611158656.1A Pending CN106759875A (en) 2016-12-15 2016-12-15 It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster

Country Status (1)

Country Link
CN (1) CN106759875A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107035203A (en) * 2017-06-07 2017-08-11 沈阳建筑大学 A kind of SMA energy consumers prestressing without bondn system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009228394A (en) * 2008-03-25 2009-10-08 Takenaka Komuten Co Ltd Joint structure of precast concrete member, joint method of precast concrete member, and building
CN202055415U (en) * 2011-02-12 2011-11-30 任谅恭 Rebar splicing device
CN104100049A (en) * 2014-07-18 2014-10-15 济南大学 FRP rib plastic hinge connector for concrete structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009228394A (en) * 2008-03-25 2009-10-08 Takenaka Komuten Co Ltd Joint structure of precast concrete member, joint method of precast concrete member, and building
CN202055415U (en) * 2011-02-12 2011-11-30 任谅恭 Rebar splicing device
CN104100049A (en) * 2014-07-18 2014-10-15 济南大学 FRP rib plastic hinge connector for concrete structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M. A. YOUSSEF等: ""Experimental Investigation on the Seismic Behavior of Beam-Column Joints Reinforced with Superelastic Shape Memory Alloys",M. A. YOUSSEF等,Journal of Earthquake Engineering, 2008年第12卷第7期,第1205-1221页,2008年9月", 《JOURNAL OF EARTHQUAKE ENGINEERING》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107035203A (en) * 2017-06-07 2017-08-11 沈阳建筑大学 A kind of SMA energy consumers prestressing without bondn system

Similar Documents

Publication Publication Date Title
CN203320725U (en) Self-resetting energy consumption support
CN206385726U (en) A kind of SMA muscle plasticity hinge connectors for reinforced concrete structure
CN105507923B (en) Bolt net and jet+anchor cable coupling supporting method in wide span underground chamber
CN106499124B (en) A kind of SMA muscle plasticity hinge connectors for FRP tendons concrete structure
CN106759875A (en) It is a kind of to improve the method that reinforced concrete structure resists consecutive shock disaster
CN203834744U (en) Frame type reinforced concrete hollow shear wall structure
CN208396061U (en) Structure draws seam plate
CN204252400U (en) A kind of reinforcing bar connector for earthquake-proof frame top story knee joint
CN202611223U (en) Recyclable bolt type scaffold wall connection piece
CN201801954U (en) Irregular self-stress tension integral structure
CN205976447U (en) Scaffold frame of connecting with straight screw sleeve links wall spare
CN205153212U (en) Steel pipe concrete shear force wall and building
CN204040476U (en) The steel form that a kind of single side formwork is reinforced
CN104088401A (en) Buckling-restrained steel bar construction
CN204163073U (en) Pile foundation steel bar cage sleeve reinforced bar joint structure
CN204960340U (en) Full -prestressed stretch -draw sleeve -board spare
CN206319491U (en) A kind of SMA muscle plasticity hinge connectors for FRP tendon concrete structures
CN203393904U (en) Reinforcement fabric hoop
CN103233470B (en) Recyclable anchor rod system for reinforcing joint surfaces of rocky slopes and mounting method of recyclable anchor rod system
CN203160198U (en) Wave wall construction reinforcing device
CN201801862U (en) Anchoring piece provided with bushing
CN204662788U (en) A kind of post vertical reinforcement locator
CN205591545U (en) Instrument is consolidated to log template
CN203834681U (en) Contained embedded-column joint connection structure of multi-layer overlapped wall
CN110725326A (en) Geotechnical engineering slope reinforcement device and method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170531