CN205776735U - A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node - Google Patents
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node Download PDFInfo
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- CN205776735U CN205776735U CN201620479555.3U CN201620479555U CN205776735U CN 205776735 U CN205776735 U CN 205776735U CN 201620479555 U CN201620479555 U CN 201620479555U CN 205776735 U CN205776735 U CN 205776735U
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- reinforcing steel
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Abstract
Open a kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " the assembling bean column node of this utility model, including precast concrete column, precast concrete beam and presstressed reinforcing steel, precast concrete column reserves the first horizontal arc presstressed reinforcing steel duct and post side bracket in beam column node area, and the beam-ends bottom of precast concrete beam is provided with tongue and groove；Run through precast concrete beam end and be provided with the second horizontal arc presstressed reinforcing steel duct, the mutual top-bottom cross in lateral symmetry position second horizontal arc presstressed reinforcing steel duct in precast concrete beam, first horizontal arc presstressed reinforcing steel duct and the second mutual para-position in position, horizontal arc presstressed reinforcing steel duct, form complete arc presstressed reinforcing steel duct after docking；Presstressed reinforcing steel passes presstressed reinforcing steel duct, precast concrete column and precast concrete beam crimping is integrated by post-tensioned prestressing.This utility model is prone to regulation and control assembling concrete frame structure performance, reduces prestressed pore passage friction loss, improves construction speed.
Description
Technical field
This utility model relates to a kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node, belongs to building
Engineering assembling concrete construction field.
Background technology
Precast Concrete Frame can be greatly improved construction ability and construction speed, saves a large amount of labour force, has ensured and built
Make quality, and be conducive to reaching the requirement of " four joint one environmental protection ", go into overdrive to carry out assembly concrete in country and build
Build, promote, under the background of green building and green construction, there is good development prospect.For from structural behaviour, prefabricated
The beam-column connection of concrete frame structure is related to the anti-seismic performance of total, and conventional structure earthquake shows that beam column is even
Connect destruction of a node and often become the main cause causing structural failure, therefore precast concrete beam-column connection is concrete
Soil frame structure is able to wide variety of key.
Prestressed concrete can preferably play precast concrete factorial praluction and the advantage of assembled installation, prestressing force
Prepressing type connects the restorability that can provide good, it is simple to the reparation after earthquake disaster, has obtained paying attention to widely.But,
The most conventional prepressing type prefabricated beam-to-column joint many employings prestress wire penetrates reserving hole channel in whole precast beam, prestressing force
Muscle perforation workload is big, the inconvenience of longer duct grouting construction, and is not easy to precast concrete and installs by cross, reduces
Precast concrete builds motility and speed of application.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, after this utility model provides a kind of beam-ends crossed arc
Tension prestress muscle " dry type " assembling bean column node, plays Precast Concrete Frame structure manufacture and quick for installation excellent
Gesture, keeps the stronger restorability of precompressed precast beam Column border node, reduces end loss of prestress, it is simple to pre-stress construction and
Assemble by cross, reduce the difficulty of construction of precast prestressed concrete structure.
Technical scheme: for achieving the above object, the technical solution of the utility model is as follows:
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node, including precast concrete column, prefabricated
Beams of concrete and presstressed reinforcing steel, described precast concrete column reserves the first horizontal arc presstressed reinforcing steel duct in beam column node area
With post side bracket, the beam-ends bottom of described precast concrete beam is provided with stepped tongue and groove, and described precast concrete beam passes through beam
The tongue and groove of end bottom is shelved on the bracket of post side；Run through described precast concrete beam end and be provided with the second horizontal arc prestressing force
Muscle duct, described first horizontal arc presstressed reinforcing steel duct and the second mutual para-position in position, horizontal arc presstressed reinforcing steel duct,
Form complete arc presstressed reinforcing steel duct in beam column node area after docking；Described complete arc presstressed reinforcing steel duct is two
More than layer or two-layer, and between the complete arc presstressed reinforcing steel duct of upper and lower two-layer symmetrically, and mutually stagger；Institute
State arc presstressed reinforcing steel duct complete after presstressed reinforcing steel passes docking, by " dry type " connected mode of post-tensioned prestressing
Precast concrete column and precast concrete beam are crimped and is integrated.
Further, described first horizontal arc presstressed reinforcing steel duct and the second horizontal arc presstressed reinforcing steel duct radius of curvature
Identical, it is circular arc.
Further, described precast concrete beam is pretensioned prestressed concrete girder or non-prestressed beam, and in its beam end both sides
Presstressed reinforcing steel anchoring recess is reserved in face, and presstressed reinforcing steel anchoring recess side fixes pre-embedded steel slab face and the presstressed reinforcing steel of nut
(7) axis is vertical, it is simple to presstressed reinforcing steel anchors with anchorage in beam end.
Further, the prestress steel screw rod that described presstressed reinforcing steel uses arc elongation percentage to be 15～17%.
Further, described first horizontal arc presstressed reinforcing steel duct can extend to post side bracket.
Beneficial effect: advantage is as follows:
(1) this utility model arranges post-tensioned prestressing muscle in portion of precast concrete beam end office (EO), pre-by beam-ends local posttension
Stress " dry type " precast beam, post crimping are connected as one by connected mode, reduce wet trade, it is simple to assemble by cross,
Improve construction motility and construction speed.
(2) local post-tensioned prestressing muscle is set to arc by this utility model, and intersect setting, it is simple to prestressing force is worn
Hole works, and reduces pre-stress construction difficulty, improves the efficiency of construction that the crimping of precast concrete post-tensioned prestressing connects.
(3) this utility model post-tensioned prestressing muscle is only arranged at prefabricated beam-ends, and length can require to carry out according to malformation
Design, has higher motility, reduces post-tensioned prestressing to integrally-built impact, decreases the use of presstressed reinforcing steel
Amount and the perforation workload of post-tensioned prestressing muscle, reduce cost.
Accompanying drawing explanation
Accompanying drawing 1 is structural front view of the present utility model；
Accompanying drawing 2 is structure top view of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
Such as attached Fig. 1 and 2, a kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node, including prefabricated
Concrete column 1, precast concrete beam 4 and presstressed reinforcing steel 7, described precast concrete column 1 reserves in beam column node area
One horizontal arc presstressed reinforcing steel duct 3 and post side bracket 2, according to the level course position according to presstressed reinforcing steel 7, the
One horizontal arc presstressed reinforcing steel duct 3 can extend to post side bracket 2.The beam-ends bottom of described precast concrete beam 4 is provided with
Stepped tongue and groove, described precast concrete beam 4 is shelved on post side bracket 2 by the tongue and groove of beam-ends bottom.Run through described
Precast concrete beam 4 end is provided with the second horizontal arc presstressed reinforcing steel duct 5, described first horizontal arc presstressed reinforcing steel hole
Road 3 is identical with the second horizontal arc presstressed reinforcing steel duct 5 radius of curvature, is circular arc；Described first horizontal arc is pre-
Stress rib duct 3 and the second mutual para-position in horizontal position, arc presstressed reinforcing steel duct 5, formed in beam column node area after docking
Complete arc presstressed reinforcing steel duct；The arc presstressed reinforcing steel duct that described presstressed reinforcing steel is complete after passing docking, by rear
Precast concrete column 1 and precast concrete beam 4 are crimped and are integrated by " dry type " connected mode of tension prestress.Described complete
Whole arc presstressed reinforcing steel duct needs can be set to more than two-layer or two-layer, and the arc that upper and lower two-layer is complete according to calculating
Intersect between shape presstressed reinforcing steel duct and be symmetrical arranged, and mutually stagger.
Precast concrete beam 4 is different according to span, and described precast concrete beam 4 is pretensioned prestressed concrete girder or non-prestressed
Beam, and presstressed reinforcing steel anchoring recess 6 is reserved in its beam end two sides, presstressed reinforcing steel anchoring recess 6 side fixes nut
Pre-embedded steel slab face vertical with presstressed reinforcing steel 7 axis, it is simple to presstressed reinforcing steel 7 anchors with anchorage 8 in beam end.
The prestress steel screw rod that presstressed reinforcing steel 7 described in this utility model uses arc elongation percentage to be 15～17%.
The above is only preferred implementation of the present utility model, it should be pointed out that: for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve
Also protection domain of the present utility model is should be regarded as with retouching.
Claims (5)
1. beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node, it is characterised in that: include pre-
Concrete column processed (1), precast concrete beam (4) and presstressed reinforcing steel (7), described precast concrete column (1) is at beam column
The first horizontal arc presstressed reinforcing steel duct (3) and post side bracket (2), described precast concrete beam (4) are reserved in node area
Beam-ends bottom be provided with stepped tongue and groove, described precast concrete beam (4) is shelved on post side by the tongue and groove of beam-ends bottom
On bracket (2)；Run through described precast concrete beam (4) end and be provided with the second horizontal arc presstressed reinforcing steel duct (5),
Described first horizontal arc presstressed reinforcing steel duct (3) and the second mutual para-position in horizontal arc presstressed reinforcing steel duct (5) position,
Form complete arc presstressed reinforcing steel duct in beam column node area after docking；Described complete arc presstressed reinforcing steel duct is two
More than layer or two-layer, and intersect between the complete arc presstressed reinforcing steel duct of upper and lower two-layer and be symmetrical arranged, and mutually
Stagger；The arc presstressed reinforcing steel duct that described presstressed reinforcing steel is complete after passing docking, by " dry type " of post-tensioned prestressing
Precast concrete column (1) and precast concrete beam (4) are crimped and are integrated by connected mode.
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node,
It is characterized in that: described first horizontal arc presstressed reinforcing steel duct (3) and the second horizontal arc presstressed reinforcing steel duct (5)
Radius of curvature is identical, is circular arc.
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node,
It is characterized in that: described precast concrete beam (4) is pretensioned prestressed concrete girder or non-prestressed beam, and in its beam end
Presstressed reinforcing steel anchoring recess (6) is reserved in two sides, and presstressed reinforcing steel anchoring recess (6) side fixes the pre-embedded steel slab of nut
Face is vertical with presstressed reinforcing steel (7) axis, it is simple to presstressed reinforcing steel (7) anchors with anchorage (8) in beam end.
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node,
It is characterized in that: the prestress steel screw rod that described presstressed reinforcing steel (7) uses arc elongation percentage to be 15～17%.
A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node,
It is characterized in that: described first horizontal arc presstressed reinforcing steel duct (3) can extend to post side bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479555.3U CN205776735U (en) | 2016-05-24 | 2016-05-24 | A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479555.3U CN205776735U (en) | 2016-05-24 | 2016-05-24 | A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node |
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| Publication Number | Publication Date |
|---|---|
| CN205776735U true CN205776735U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620479555.3U Expired - Fee Related CN205776735U (en) | 2016-05-24 | 2016-05-24 | A kind of beam-ends crossed arc post-tensioned prestressing muscle " dry type " assembling bean column node |
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| CN (1) | CN205776735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839775A (en) * | 2016-05-24 | 2016-08-10 | 东南大学 | Beam end crossed arc-shaped post-tensioned pre-stressed reinforcing steel dry-type assembling beam-column node |
| CN107795012A (en) * | 2017-11-01 | 2018-03-13 | 大连理工大学 | Active constraint formula cast in place frame bean column node system based on retarded adhesive prestressed technology |
| JP2021085150A (en) * | 2019-11-25 | 2021-06-03 | 黒沢建設株式会社 | Pc foundation structure and construction method thereof |
-
2016
- 2016-05-24 CN CN201620479555.3U patent/CN205776735U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839775A (en) * | 2016-05-24 | 2016-08-10 | 东南大学 | Beam end crossed arc-shaped post-tensioned pre-stressed reinforcing steel dry-type assembling beam-column node |
| CN107795012A (en) * | 2017-11-01 | 2018-03-13 | 大连理工大学 | Active constraint formula cast in place frame bean column node system based on retarded adhesive prestressed technology |
| JP2021085150A (en) * | 2019-11-25 | 2021-06-03 | 黒沢建設株式会社 | Pc foundation structure and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |