CN104032839A - Connecting structure of frictional type damper assembling type frame joint and constructing method thereof - Google Patents

Connecting structure of frictional type damper assembling type frame joint and constructing method thereof Download PDF

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Publication number
CN104032839A
CN104032839A CN201410312614.3A CN201410312614A CN104032839A CN 104032839 A CN104032839 A CN 104032839A CN 201410312614 A CN201410312614 A CN 201410312614A CN 104032839 A CN104032839 A CN 104032839A
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China
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reinforced concrete
damper
column
built
precast reinforced
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CN201410312614.3A
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Chinese (zh)
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CN104032839B (en
Inventor
韩建强
刘冉冉
廖永
付秀艳
王宇亮
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河北联合大学
鹏达建设集团有限公司
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Abstract

Disclosed is a connecting structure of a frictional type damper assembling type frame joint. Prestress steel strands are arranged in steel strand embedded pipes of the structure, precast reinforced concrete beams are connected with precast reinforced concrete columns through the prestress steel strands, the seams between the beams and the columns are filled of high-strength grouting materials, and beam and column connecting joints are formed. Frictional type dampers are arranged at the positions of the beam and column connecting joints, and the connecting structure of the whole frictional type damper assembling type frame joint attached with prestress is formed. The constructing method comprises the steps that the precast reinforced concrete beams are aligned to the damper embedded pipes on the precast reinforced concrete columns; the steel strands are arranged in the steel strand embedded pipes of the precast reinforced concrete beams in a penetrating mode; the seams are filled with the high-strength grouting materials, and the whole beam and column joints are formed; frictional damper fixing screw rods are arranged in the damper embedded pipes in a penetrating mode to mount the frictional type dampers. According to the structure, the energy-dissipating capacity of the assembling type frame structure under the earthquake action can be effectively improved, effective connection of the columns and the beams is ensured, the earthquake energy can be effectively consumed, and the building structure is protected.

Description

Syndeton and the construction method thereof of friction damper assembling frame node

Technical field

The present invention relates to a kind of syndeton and construction method thereof of friction damper assembling frame node, is that a kind of novel pre-fabricated one node connects and power consumption technology, belongs to assembly concrete frame construction anti-seismic technology field in civil engineering.

Background technology

China is a multiple country of earthquake, and most areas is in the district that provides fortification against earthquakes, and in Practical Project construction, assembling frame structure can reduce construction costs, accelerates speed of application, reduces resource consumption, reduces environment pollution.It is one of direction of Building Trade in China development.Compare with cast-in-situ steel reinforced concrete frame construction, assembled steel tendon concrete frame structure node energy dissipation capacity is slightly inadequate, and the energy dissipation ability of assembling frame structure node lower be the factor that hinders construction industry development always.Applicant has invented application number and is for this reason: 2014201172513 " assembling frame architectural node friction dampers ", through retrieval, not yet find that there is with friction of joint type damper as assembling frame structure node, and improve the report of anti seismic efficiency.

Summary of the invention

The object of the invention is to the lower defect of energy dissipation ability for prior art assembling frame structure node, while occurring due to earthquake, the node strength of building structure and energy dissipation capacity are the important indicators of anti-seismic performance, in order to reduce earthquake to structural damage degree, provide a kind of syndeton and construction method thereof of friction damper assembling frame node.

Realize foregoing invention object by the following technical solutions:

A kind of syndeton of friction damper assembling frame node, this structure comprises prefabricated reinforced concrete column, precast reinforced concrete beam and friction damper, in prefabricated reinforced concrete column and precast reinforced concrete beam, be respectively equipped with many steel strand built-in pipes and many dampers installation built-in pipes, it is characterized in that, in described steel strand built-in pipe, be provided with prestress wire, precast reinforced concrete beam is connected by prestress wire with prefabricated reinforced concrete column, and connect with high-strength grout grouting at beam column seam crossing, form beam-column connection, friction damper is arranged on beam-column connection place, form the syndeton of whole prestressing force additional friction type damper assembling frame node.

Further, many dampers installation built-in pipes in prefabricated reinforced concrete column parallel and are arranged in precast reinforced concrete beam post, precast reinforced concrete beam.

Further, many steel strand built-in pipes are parallel to each other and are arranged in precast reinforced concrete beam post, precast reinforced concrete beam.

Further, friction damper standing screw penetrates in damper built-in pipe, with nut, fixes.

A construction method for the syndeton of friction damper assembling frame node, comprises the steps:

A. hoisting prefabricated reinforced concrete beam, to design attitude, aligns the damper built-in pipe on precast reinforced concrete beam and prefabricated reinforced concrete column;

B. un-bonded prestressed steel strand is penetrated in the steel strand built-in pipe of precast reinforced concrete beam;

C. the seam crossing of prefabricated reinforced concrete column and the precast reinforced concrete beam high-strength grout cementation of fissures, forms beam column integral node;

D. treat that grouting material reaches design strength post-stress steel strand and prefabricated reinforced concrete column and precast reinforced concrete beam applied to the prestressing force of design;

E. in damper built-in pipe, penetrate friction damper standing screw, friction damper is installed and is tightened hold-down nut;

F. the friction plate of tightening friction damper presses nut, to friction plate, exerts pressure.

Adopt technique scheme, compared with prior art, because the present invention enables friction damper as assembling frame structure node syndeton, friction damper can rotate around the moving axis that rotates under external force, friction plate rationally utilizes the sliding friction friction energy-dissipating of steel plate simultaneously, make structure on the basis that guarantees globality, realize the effectively effect of power consumption, can effectively improve the energy dissipation capacity of assembling frame structure node.The present invention can improve assembling frame structure energy dissipation capacity under geological process effectively; when earthquake occurs; prestress wire can guarantee effective connection of prefabricated reinforced concrete column, precast reinforced concrete beam, and effectively earthquake energy, protects building structure.

The present invention can be used for newly-built engineering structures, also can be used for reinforcing and the improvement of building.Have design concept clear and definite, construct simple, safe and reliable, save cost, the feature such as durable in use, the economy of Hui Gei China and social development will bring huge benefit, have broad application prospects.

Accompanying drawing explanation

Fig. 1 is Integral connection structure schematic diagram of the present invention.

Fig. 2 is the front elevation view of frcition damper of the present invention.

Fig. 3 is the side elevational view of frcition damper.

Fig. 4 is prefabricated reinforced concrete column front elevation view of the present invention.

Fig. 5 is the sectional view of prefabricated reinforced concrete column.

Fig. 6 is precast reinforced concrete beam top plane view of the present invention.

Fig. 7 is precast reinforced concrete beam end view drawing of the present invention.

Fig. 8 is precast reinforced concrete beam structural representation of the present invention.

In figure, damper is installed built-in pipe 1, prefabricated reinforced concrete column 2, frcition damper 3, precast reinforced concrete beam 4, steel strand built-in pipe 5, erection bolt hole 6, middle friction plate 7, slide plate presses bolt 8, pad 9, limit friction plate 10, presses bolt hole 11, bolt slide channel 12, turning cylinder 13, stirrup 14, vertical muscle 15, beam stirrup 16, beam is indulged muscle 17.

The specific embodiment

The present invention will be further described by reference to the accompanying drawings for face below.

The invention discloses a kind of syndeton and construction method thereof of friction damper assembling frame node.Its invention thought is: at prefabricated reinforced concrete column 2 and precast reinforced concrete beam 4 Nodes, friction damper 3 is installed, is formed the syndeton of whole prestressing force additional friction type damper assembling frame node.This design, guarantees that assembly concrete frame construction is when earthquake occurs, and realizes effective connection of node and effectively power consumption.

Concrete structure referring to accompanying drawing 1-8,this prestressing force additional friction type damper assembling frame structure node syndeton is comprised of prefabricated reinforced concrete column 2, precast reinforced concrete beam 4 and friction damper 3 three parts.The Integral connection structure of three parts is shown in Fig. 1, Fig. 4, Fig. 5, and prefabricated reinforced concrete column 2 is indulged muscle 15 by post, column tie-bar 14, steel strand built-in pipe 5, damper built-in pipe 1 and concrete form.Precast reinforced concrete beam 4 is indulged muscle 17 by beam, beam stirrup 16, and steel strand built-in pipe 5, damper built-in pipe 1 and concrete form.In prefabricated reinforced concrete column 2, be provided with many dampers of installing that are parallel to each other built-in pipe 1 and many steel strand built-in pipes 5 that are arranged in parallel are installed.In precast reinforced concrete beam 4, be provided with many be arranged in parallel steel strand built-in pipe 5 and many dampers installation built-in pipes 1 that are arranged in parallel.In steel strand built-in pipe 5, be installed with prestress wire, precast reinforced concrete beam 4 is connected by prestress wire with prefabricated reinforced concrete column 2.Friction damper 3 is connected with prefabricated reinforced concrete column 2 bolts, forms whole prestressing force additional friction type damper node connecting structure.

Referring to accompanying drawing 2, Fig. 3, friction damper 3 by two friction plate sheets, in friction plate sheet 7, slide plate presses bolt 8 and turning cylinder 13 4 major parts form.Two friction plate plates press bolt 8 with middle friction plate 7 plates with slide plate and are connected, and two friction plate plates are arranged on turning cylinder 13, and wherein two friction plates comprise: installation screw 6, limit friction plate 10, bolt slide channel 12, turning cylinder 13; Middle friction plate comprises: erection bolt hole 6, turning cylinder 13, press bolt hole 11, middle friction plate 7.

In damper built-in pipe 1, penetrate the standing screw of friction damper 3, with bolt tightening, friction damper 3 is connected with prefabricated reinforced concrete column 2.Limit friction plate 10 is arranged in the outside of friction plate 7, limit friction plate 10, middle friction plate 7 are enclosed within on turning cylinder 13, on middle friction plate plate, be provided with a plurality of erection bolts hole 6, bolt slide channel 12 is arranged on limit friction plate 10, in bolt slide channel 12, there is the bolt hole of pressing 11, slide plate presses bolt 8, and limit friction plate 10 is fixing with middle friction plate 7, at slide plate, presses between bolt 8 and limit friction plate 10 and is lined with pad 9.

Referring to accompanying drawing 4, accompanying drawing 5, prefabricated reinforced concrete column 2 is indulged muscle 15 by post, column tie-bar 14, and steel strand built-in pipe 5, damper built-in pipe 1 and concrete form.Precast reinforced concrete beam 4 is indulged muscle 17 by beam, beam stirrup 16, and steel strand built-in pipe 5, damper built-in pipe 1 and concrete form.

Damper built-in pipe 1 and steel strand built-in pipe 5 all adopt PVC material or corrugated steel tube to make, and diameter is 16 ~ 30 mm.Steel strand are that steel material is made, and diameter is 15.2mm.

Friction damper is selected number of patent application: 2014201172513 product.

The construction method of the syndeton of friction damper assembling frame node of the present invention is carried out according to the following step:

1. prepare precast reinforced concrete beam 4, prefabricated reinforced concrete column 2 and 3, three kinds of products of friction damper by prefabrication.

2. hoisting prefabricated reinforced concrete column 2 is to design attitude, and on attention prefabricated reinforced concrete column 2, reserved steel strand built-in pipe 5 and the pre-buried mounting pipe 1 of damper is in the right direction errorless.

3. hoisting prefabricated reinforced concrete beam 4 is to design attitude, and prefabricated reinforced concrete column 2 will align with the steel strand built-in pipe 5 of precast reinforced concrete beam 4.

4. un-bonded prestressed steel strand is passed in the steel strand built-in pipe 5 in prefabricated reinforced concrete column 2 and reinforced concrete beam 4 processed.

5. the seam crossing high-strength grout cementation of fissures of prefabricated reinforced concrete column 2 and precast reinforced concrete beam 4, forms the integral node of prefabricated reinforced concrete column 2 and reinforced concrete beam 4 processed.

6. treat that grouting material reaches design strength post-stress steel strand and prefabricated reinforced concrete column 2 and reinforced concrete beam 4 processed applied to the prestressing force of design.

7. in the damper built-in pipe in prefabricated reinforced concrete column 2 and reinforced concrete beam 4 processed, 1 penetrate damper standing screw, installation friction damper 3 is also tightened hold-down nut.

8. tighten friction plate and press bolt 8, to friction plate, apply the compaction forces of design.

Can rotate under external force moving axis 13 of friction damper 3 rotates; when earthquake occurs; two friction plate plates of this damper rotate around the axis; relative sliding between single friction plate of while and two friction plate; the effective earthquake energy of moving successively; effectively improve the energy dissipation capacity of assembling frame structure node, protection building structure.After external force disappears, unclamp friction plate and press bolt, damper can restore to the original state.

Above-described embodiment has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (5)

1. the syndeton of a friction damper assembling frame node, this structure comprises prefabricated reinforced concrete column, precast reinforced concrete beam and friction damper, in prefabricated reinforced concrete column and precast reinforced concrete beam, be respectively equipped with many steel strand built-in pipes and many dampers installation built-in pipes, it is characterized in that, in described steel strand built-in pipe, be provided with prestress wire, precast reinforced concrete beam is connected by prestress wire with prefabricated reinforced concrete column, and with high-strength grout grouting, be connected with the seam crossing of prefabricated reinforced concrete column at precast reinforced concrete beam, form beam-column connection, friction damper is arranged on beam-column connection place, form the syndeton of whole prestressing force additional friction type damper assembling frame node.
2. the syndeton of friction damper assembling frame node according to claim 1, is characterized in that, many dampers installation built-in pipes in prefabricated reinforced concrete column parallel and are arranged in prefabricated reinforced concrete column, precast reinforced concrete beam.
3. the syndeton of friction damper assembling frame node according to claim 1, is characterized in that, many steel strand built-in pipes are parallel to each other and are arranged in precast reinforced concrete beam post, precast reinforced concrete beam.
4. the syndeton of friction damper assembling frame node according to claim 1, is characterized in that, friction damper standing screw penetrates in damper built-in pipe, with nut, fixes.
5. a construction method for the syndeton of friction damper assembling frame node, is characterized in that, comprises the steps:
A. hoisting prefabricated reinforced concrete beam, to design attitude, aligns the damper built-in pipe on precast reinforced concrete beam and prefabricated reinforced concrete column;
B. un-bonded prestressed steel strand is penetrated in steel strand built-in pipe;
C. the seam crossing of prefabricated reinforced concrete column and the precast reinforced concrete beam high-strength grout cementation of fissures, forms beam column integral node;
D. treat that grouting material reaches design strength post-stress steel strand and prefabricated reinforced concrete column and precast reinforced concrete beam applied to the prestressing force of design;
E. in damper built-in pipe, penetrate friction damper standing screw, friction damper is installed and is tightened hold-down nut;
F. the friction plate of tightening friction damper presses nut, to friction plate, exerts pressure.
CN201410312614.3A 2014-07-03 2014-07-03 Syndeton and the construction method thereof of friction damper assembling frame node CN104032839B (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107675801A (en) * 2017-08-29 2018-02-09 孔金河 Assembling type steel structure beam-column connection and attaching method thereof
CN108979283A (en) * 2018-08-01 2018-12-11 华侨大学 A kind of performance of no additional mass can Quality of recovery tuned mass damping structure
CN109235638A (en) * 2018-10-23 2019-01-18 王虹 A kind of anti-seismic prefabricated bean column node and its construction method for assembled architecture

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048577A (en) * 1990-08-02 1991-01-16 魏庆礼 Frictional energy consumption type antiseismic structure
JPH10338967A (en) * 1997-06-09 1998-12-22 Artes:Kk Column-beam joint structure of steel frame structure
JP2003268878A (en) * 2002-03-18 2003-09-25 Kajima Corp Beam-column joint structure
KR20080038623A (en) * 2006-10-30 2008-05-07 한국전력공사 Apparatus for damping movement of structures
CN103195183A (en) * 2013-03-28 2013-07-10 中铁建设集团有限公司 Standard unit assembled shock isolating and damping structure system
CN103835387A (en) * 2014-03-17 2014-06-04 河北联合大学 Assembly-type frame structure joint friction damper
CN203924363U (en) * 2014-07-03 2014-11-05 河北联合大学 The syndeton of friction damper assembling frame node

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048577A (en) * 1990-08-02 1991-01-16 魏庆礼 Frictional energy consumption type antiseismic structure
JPH10338967A (en) * 1997-06-09 1998-12-22 Artes:Kk Column-beam joint structure of steel frame structure
JP2003268878A (en) * 2002-03-18 2003-09-25 Kajima Corp Beam-column joint structure
KR20080038623A (en) * 2006-10-30 2008-05-07 한국전력공사 Apparatus for damping movement of structures
CN103195183A (en) * 2013-03-28 2013-07-10 中铁建设集团有限公司 Standard unit assembled shock isolating and damping structure system
CN103835387A (en) * 2014-03-17 2014-06-04 河北联合大学 Assembly-type frame structure joint friction damper
CN203924363U (en) * 2014-07-03 2014-11-05 河北联合大学 The syndeton of friction damper assembling frame node

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107675801A (en) * 2017-08-29 2018-02-09 孔金河 Assembling type steel structure beam-column connection and attaching method thereof
CN107675801B (en) * 2017-08-29 2019-06-18 江苏承天新型建材有限公司 Assembling type steel structure beam-column connection and attaching method thereof
CN108979283A (en) * 2018-08-01 2018-12-11 华侨大学 A kind of performance of no additional mass can Quality of recovery tuned mass damping structure
CN109235638A (en) * 2018-10-23 2019-01-18 王虹 A kind of anti-seismic prefabricated bean column node and its construction method for assembled architecture
CN109235638B (en) * 2018-10-23 2020-05-05 中贤建设集团有限公司 Anti-seismic prefabricated beam-column joint for prefabricated building and construction method thereof

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