CN206941799U - The prestressing force assembling type node construction of beam-ends friction energy-dissipating - Google Patents
The prestressing force assembling type node construction of beam-ends friction energy-dissipating Download PDFInfo
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- CN206941799U CN206941799U CN201720523837.3U CN201720523837U CN206941799U CN 206941799 U CN206941799 U CN 206941799U CN 201720523837 U CN201720523837 U CN 201720523837U CN 206941799 U CN206941799 U CN 206941799U
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- mild steel
- reinforced concrete
- steel
- prestressing force
- friction energy
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Abstract
The utility model discloses a kind of prestressing force assembling type node of beam-ends friction energy-dissipating construction, including precast reinforced concrete beam, prefabricated reinforced concrete column and mild steel frcition damper, mild steel frcition damper insertion precast reinforced concrete beam end, the axis direction of precast reinforced concrete beam leaves a plurality of built-in pipe, presstressed reinforcing steel is set in built-in pipe, precast reinforced concrete beam is connected by presstressed reinforcing steel with prefabricated reinforced concrete column and mild steel frcition damper.Mild steel frcition damper can be placed at the beam-ends inclined plane of assembling frame structure in the utility model, it is not take up floor location, damper installation can be completed before precast reinforced concrete beam and prefabricated reinforced concrete column assembling to connect, and is attached by tensioned prestressing bar, it is easy for construction；Except the beam-to-column joint interface cementation of fissures needs a small amount of mortar in assembling process, the connection of remaining component is without situ wet operation, short construction period, production efficiency height.
Description
Technical field
It the utility model is related to technical field of civil engineering, the prestressing force assembled section of specifically a kind of beam-ends friction energy-dissipating
Point construction.
Background technology
With social development, engineering construction problem encountered is increasingly serious, and prefabricated assembled concrete structure starts fluffy
The exhibition of breaking out.Using prefabricated assembled concrete structure, site operation can be reduced to rings such as places with effectively save resource and the energy
The requirement of border condition, efficiency of the material in terms of building energy conservation and structural behaviour is realized is improved, improve building function and structural
Can, effectively realize the Green Development requirement of " environmental protection of four section one ".
China is located at the violent earthquake band of the world two-between circum-Pacific seismic belt and Eurasian earthquake zone, by Pacific-oceanic plate,
The extruding of Indian and Philippine Sea plate, Earthquake Fault Zone is very active, and paroxysmal earthquake often causes huge
Property loss and social influence.
Prestressing force assembly concrete frame structure is a kind of structure type of suitable industrialized production, short construction period,
Situ wet operation is few, simultaneously as realizing resilience using presstressed reinforcing steel as assembling means, structure using prestressing technique, has
There is good automatic recovery ability.Existing research shows that prestressing force assembly concrete frame structure has problems with present：
1st, the Structural Energy Dissipation scarce capacity assembled using presstressed reinforcing steel merely；2nd, the structure for being configured with power consumption part or damper is present
The problems such as energy-dissipating property is undesirable, construction is inconvenient, space-consuming influences to use.
Utility model content
Purpose of utility model：In order to overcome the deficiencies in the prior art, the utility model provides a kind of beam-ends friction
The prestressing force assembling type node construction of power consumption.
Technical scheme：A kind of in order to solve the above technical problems, prestressing force assembling of beam-ends friction energy-dissipating of the present utility model
Formula joint structure, including precast reinforced concrete beam, prefabricated reinforced concrete column and mild steel frcition damper, mild steel frictional damping
Device insertion precast reinforced concrete beam end, the axis direction of precast reinforced concrete beam leave a plurality of built-in pipe, set in built-in pipe
Precast reinforced concrete beam is connected by presstressed reinforcing steel, presstressed reinforcing steel with prefabricated reinforced concrete column and mild steel frcition damper.
Wherein, precast reinforced concrete beam end has inclined plane symmetrical above and below, and anchor hole is set in inclined plane；Inclined plane
The space for accommodating mild steel frictional property damper is formed between prefabricated reinforced concrete column so that mild steel frcition damper does not influence
Floor slab construction.
Wherein, mild steel frcition damper includes two pieces of mild steel frids, hold-down bolt and anchor bolt；Mild steel frid includes one
Block rectangle mild steel bottom plate, interval is extended with multiple mild steel blocks, one of mild steel frid on a side of mild steel bottom plate
On mild steel block can correspond to insert in the interval on another mild steel frid between multiple mild steel blocks；On each mild steel block
Chute is provided with, after mild steel block is mutually embedded in, arc chute insertion overlaps, and is installed with the arc chute of insertion for being fastenedly connected
The clamping screw of mild steel block.
Wherein, each mild steel frid both sides are provided with stress rib hole and anchor hole, and anchor hole is respectively used to and inclined plane
And prefabricated reinforced concrete column anchor connection, presstressed reinforcing steel hole are used to pass through presstressed reinforcing steel.
Wherein, clamping screw is stretched into and passed from the both ends of the chute, and the side joint outside screw rod both ends and mild steel block
Pad is reserved in contacting surface, and then tightening nuts apply pretightning force.
Wherein, the mild steel frid uses mild steel material, when earthquake occurs, is mutually rotated and rubbed by the mild steel block
Wipe, into yielding stage, produce plastic deformation, earthquake energy.
Wherein, mild steel block is shaped as triangle or sector.
Wherein, chute is arc chute.
Beneficial effect：A kind of prestressing force assembling type node construction of beam-ends friction energy-dissipating of the present utility model, has following
Beneficial effect：
1st, mild steel frcition damper of the present utility model can be placed at the beam-ends inclined plane of assembling frame structure, be not take up
Floor location, damper installation connection can be completed before precast reinforced concrete beam and prefabricated reinforced concrete column assembling, and
It is attached by tensioned prestressing bar, it is easy for construction；Except the beam-to-column joint interface cementation of fissures needs a small amount of mortar in assembling process,
The connection of remaining component is high without situ wet operation, short construction period, production efficiency.
2nd, energy-dissipating and shock-absorbing is realized by mild steel frcition damper, the opening and closing of beam column contact surface drives mild steel frictional damping
The pivoting friction of the mild steel frid of device, surrender power consumption, the damage deformation of structural elements is transferred to damper, control damage position
Put, reduce the plastic deformation of structure in itself；The shear-carrying capacity of beam column contact surface contact surface as caused by compressing presstressed reinforcing steel rubs
The frictional force wiped between power and damper mild steel block provides jointly, and Conception of Structure Design is clear and definite, has application prospect.
Brief description of the drawings
Fig. 1 is the utility model midplane frame joint joining method schematic diagram；
Fig. 2 is the utility model midplane frame joint joining method overall situation front view；
Fig. 3 is the utility model midplane frame joint joining method detail drawing；
Fig. 4 is that schematic diagram is completed in the splicing of the utility model midplane frame joint；
Fig. 5 is that design sketch is completed in the splicing of the utility model midplane frame joint；
Fig. 6 is that detail drawing is completed in the splicing of the utility model midplane frame joint；
Fig. 7, which is that hollow frame joint of the utility model is assembled, completes schematic diagram；
Fig. 8, which is that hollow frame joint of the utility model is assembled, completes detail drawing；
Fig. 9 is mild steel frcition damper connection method schematic diagram in the utility model.
In figure：1- precast reinforced concrete beams, 2- prefabricated reinforced concrete columns, 3- mild steel frcition dampers, 4- prestressing force
Muscle, 5- presstressed reinforcing steel built-in pipes, 6- presstressed reinforcing steel built-in pipes, 7- anchor holes, 8- anchor holes, 9- anchor holes, 10- presstressed reinforcing steels
Hole, 11- mild steel frids, 12- mild steel frids, 13- mild steel blocks, 14- chutes, 15- inclined planes, 16- hold-down bolts, 17- anchorings
Bolt, 18- anchor pads, 19- anchorage nuts, 20- clamping nuts, 21- compress gaskets, 22- styletable protruding bars.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1-Fig. 9, the utility model discloses a kind of prestressing force assembling type node of beam-ends friction energy-dissipating to construct,
Utility model thinking is：Mild steel frcition damper 3 is embedded at the inclined plane 15 at the end of precast reinforced concrete beam 1, by advance should
Precast reinforced concrete beam 1, prefabricated reinforced concrete column 2, mild steel frcition damper 3 are attached by power muscle 4, are formed overall
Prestressing force assembled additional friction energy-consumption damper frame joint.
As shown in figs 1-9, the prestressing force assembling type node construction of a kind of beam-ends friction energy-dissipating of the present utility model, including it is pre-
Reinforced beam 1, prefabricated reinforced concrete column 2 and mild steel frcition damper 3 processed.The axis direction of precast reinforced concrete beam 1
Leave a plurality of built-in pipe 5, and mild steel frid 11 with mild steel frcition damper 3,12 ends reserve presstressed reinforcing steel hole 10, pre-manufactured steel
Reinforced concrete Column border node core space built-in pipe 6 is mutually corresponding, and then ensures presstressed reinforcing steel through connection.Pass through post-tensioned prestressing muscle
4, precast reinforced concrete beam 1 is connected with prefabricated reinforced concrete column 2.
As shown in figures 1 to 6, the end section of precast reinforced concrete beam 1 is inclined plane 15, and anchor hole 7 is reserved in inclined plane 15,
And it is embedded in mild steel friction energy-dissipating damper 3 in inclined plane 15 and realizes Structural Energy Dissipation, mild steel frcition damper 3 and precast reinforced coagulation
The flush of native beam 1, does not influence floor slab construction.
As shown in figure 9, mild steel frcition damper 3 includes two pieces of mild steel frids 11,12, hold-down bolt 16 and anchor bolt
17；The mild steel block 13 that mild steel frid 11,12 is stretched out by one piece of rectangle mild steel bottom plate and interval respectively forms, on mild steel block 13
The chute 14 of arc is provided with, between mild steel block is embedded in mutually on relative mild steel frid between mild steel block in groove, and can be
Realize and rotate in certain limit, arc chute 14 is realized and is mutually communicated.Reserved anchor hole 9 on two pieces of mild steel frids 11,12
It is corresponding with the anchor hole 8 that anchor hole 7 that beam-ends is reserved, Column border node core space end are reserved respectively, and pass through precompressed pad 18, plant
Enter screw rod 17, tightening nuts 19 carry out anchor connection；Clamping screw 16 is stretched into and passed from the both ends of arc chute 14, and is tightened
Nut 20 applies pretightning force.
When by geological disasters such as earthquakes, precast reinforced concrete beam 1, the contact surface of prefabricated reinforced concrete column 2
Opening and closing drive mild steel frcition damper 3 mild steel frid 11,12 pivoting friction, surrender power consumption, by structural elements
Damage deformation is transferred to mild steel friction energy-dissipating damper 3, and realizes Self-resetting using the presstressed reinforcing steel 4 in structure；It is precast reinforced
Beams of concrete 1, the shear-carrying capacity of the contact surface of prefabricated reinforced concrete column 2 compress caused contact surface friction by presstressed reinforcing steel 4
Frictional force between power and damper mild steel block 13 provides jointly.
The utility model is in construction, in the steps below：
Step 1：By precast reinforced concrete beam 1, prefabricated reinforced concrete column 2 in the prefabricated completion of factory or job site,
The end section of precast reinforced concrete beam 1 sets inclined plane 15 symmetrical above and below, and inclined plane 15 reserves anchor hole 7；It is precast reinforced mixed
Coagulate the native axis direction of beam 1 and leave presstressed reinforcing steel built-in pipe 5, anchor hole 8 is left in the joint cores end of prefabricated reinforced concrete column 2
With presstressed reinforcing steel built-in pipe 6；
Step 2：The inclined plane 15 of one piece of both ends anchor hole 9 of mild steel frid 11 and precast reinforced concrete beam 1 is reserved into anchor
The correspondence of solid hole 7, by precompressed pad 18, screw rod 17 being implanted into, tightening nuts 19 carry out anchor connection,
Step 3：By another piece of both ends anchor hole 9 of mild steel frid 12 and the joint cores end of prefabricated reinforced concrete column 2
The reserved correspondence of anchor hole 8, by precompressed pad 18, screw rod 17 is implanted into, tightening nuts 19 carry out anchor connection；
Step 4：Precast reinforced concrete beam 1, prefabricated reinforced concrete column 2 are lifted in place, presstressed reinforcing steel 4 is worn successively
Enter to precast reinforced concrete beam built-in pipe 5, mild steel frcition damper frid end and reserve presstressed reinforcing steel hole 10, precast reinforced mixed
Solidifying earth pillar joint cores built-in pipe 6, and passed from the precast reinforced concrete beam built-in pipe 5 of the other end；
Step 5：Tensioned prestressing bar 4, and realize and anchor in beam-ends；
Step 6：Clamping screw 16 is stretched into and passed from the both ends of arc chute 14, and in the both ends of screw rod 16 and mild steel
Pad 21 is reserved on the contact outside face of block 13, and then tightening nuts 20 apply pretightning force；
Step 7：Reinforcing bar 22 is stretched out at the both ends of prefabricated reinforced concrete column 2, and connects with upper strata and lower floor's post reserving hole slurry anchor
Connect or sleeve connection；
Step 8：In precast reinforced concrete beam 1 and the link position of prefabricated reinforced concrete column 2, filled with high-strength grout
Seam, strengthen beam column integrated connection performance.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (8)
- A kind of 1. prestressing force assembling type node construction of beam-ends friction energy-dissipating, it is characterised in that：Including precast reinforced concrete beam, Prefabricated reinforced concrete column and mild steel frcition damper, mild steel frcition damper insertion precast reinforced concrete beam end, pre-manufactured steel The axis direction of Concrete Beam Reinforced leaves a plurality of built-in pipe, sets presstressed reinforcing steel in built-in pipe, and presstressed reinforcing steel is by precast reinforced coagulation Tu Liang is connected with prefabricated reinforced concrete column and mild steel frcition damper.
- 2. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 1, it is characterised in that：Pre-manufactured steel Reinforced concrete beam-ends has inclined plane symmetrical above and below, and anchor hole is set in inclined plane；Inclined plane and prefabricated reinforced concrete column Between formed accommodate mild steel frictional property damper space.
- 3. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 1 or 2, it is characterised in that：It is soft Steel frcition damper includes two pieces of mild steel frids, hold-down bolt and anchor bolt；Mild steel frid includes one piece of rectangle mild steel bottom plate, It is spaced on a side of mild steel bottom plate and is extended with multiple mild steel blocks, the mild steel block on one of mild steel frid can In the corresponding interval inserted on another mild steel frid between multiple mild steel blocks；Chute, mild steel block are provided with each mild steel block Mutually after insertion, arc chute insertion is overlapped body phase, and the compression for being fastenedly connected mild steel block is installed with the arc chute of insertion Screw rod.
- 4. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 3, it is characterised in that：Each mild steel Frid both sides are provided with presstressed reinforcing steel hole and anchor hole.
- 5. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 3, it is characterised in that：Compress spiral shell Bar is stretched into and passed from the both ends of the chute, and pad is reserved on screw rod both ends and mild steel block contact outside face.
- 6. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 3, it is characterised in that：It is described soft Steel tank plate uses mild steel material.
- 7. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 3, it is characterised in that：Mild steel block Body is shaped as triangle or sector.
- 8. the prestressing force assembling type node construction of beam-ends friction energy-dissipating according to claim 5, it is characterised in that：Chute is Arc chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523837.3U CN206941799U (en) | 2017-05-12 | 2017-05-12 | The prestressing force assembling type node construction of beam-ends friction energy-dissipating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523837.3U CN206941799U (en) | 2017-05-12 | 2017-05-12 | The prestressing force assembling type node construction of beam-ends friction energy-dissipating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206941799U true CN206941799U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720523837.3U Withdrawn - After Issue CN206941799U (en) | 2017-05-12 | 2017-05-12 | The prestressing force assembling type node construction of beam-ends friction energy-dissipating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119799A (en) * | 2017-05-12 | 2017-09-01 | 东南大学 | The prestressing force assembling type node construction and its construction method of beam-ends friction energy-dissipating |
| CN108867862A (en) * | 2018-08-14 | 2018-11-23 | 大连理工大学 | Post-tensioning prestressing without bondn precast concrete can restore bean column node |
| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
-
2017
- 2017-05-12 CN CN201720523837.3U patent/CN206941799U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119799A (en) * | 2017-05-12 | 2017-09-01 | 东南大学 | The prestressing force assembling type node construction and its construction method of beam-ends friction energy-dissipating |
| CN108867862A (en) * | 2018-08-14 | 2018-11-23 | 大连理工大学 | Post-tensioning prestressing without bondn precast concrete can restore bean column node |
| CN108867862B (en) * | 2018-08-14 | 2023-09-05 | 大连理工大学 | Post-tensioned unbonded prestressed precast concrete recoverable beam column node |
| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20220826 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180130 Effective date of abandoning: 20220826 |