CN208857974U - One kind being used for assembled integral bridge construction combination overhead station bean column node - Google Patents
One kind being used for assembled integral bridge construction combination overhead station bean column node Download PDFInfo
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- CN208857974U CN208857974U CN201821132089.7U CN201821132089U CN208857974U CN 208857974 U CN208857974 U CN 208857974U CN 201821132089 U CN201821132089 U CN 201821132089U CN 208857974 U CN208857974 U CN 208857974U
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Abstract
The utility model discloses one kind to be used for assembled integral bridge construction combination overhead station bean column node, mainly including longitudinal reinforcement and grout sleeve in prefabricated stand column, prefabricated bent cap, prefabricated bracket, prefabricated longitudinal framing beam, precast beam longitudinal reinforcement, reinforcing bar junction steel plate, column.Section is poured after the both ends of prefabricated longitudinal framing beam are reserved, prefabricated longitudinal framing beam bottom is indulged muscle and is welded to connect by junction steel plate and prefabricated bracket pre-embedded steel slab, and prefabricated longitudinal framing beam waist muscle and the reserved connection area waist Jin Houjiao of prefabricated bent cap are welded to connect.The pre-buried grout sleeve of preform lid beam bottom and prefabricated stand column top are reserved longitudinal reinforcement and are connected with each other, and the pre-buried grout sleeve of the pre-buried prefabricated frame trestle joint bar of preform lid back and prefabricated frame trestle bottom is connected with each other.The utility model reduces production and difficulty of construction, realizes complete rigid connection, ensure that the globality and anti-seismic performance of bean column node.
Description
Technical field
The utility model relates to one kind to be used for assembled integral bridge construction combination overhead station bean column node, and in particular to it connects
Construction is connect, civil engineering precast concrete technical field is belonged to.
Background technique
Bridge construction combination overhead station structure is mainly built-up by frame superstructure and lower pole bent cap structure, belongs to
A kind of structure type being most widely used in railway traffic engineering overhead station.Assembled integral bridge construction combination overhead station knot
Structure system meets building industrialization and the requirement of green building.Convenient and quick, quality stabilization can with construction for such structural system
It leans on, the advantages that small is influenced on traffic and environment.
The core technology of precast concrete assembled integral overhead station structure is precast concrete bent cap and concrete
The Joint's connection fabrication form of native column and longitudinal framing beam, quality directly influence the ultimate bearing capacity of the class formation and resist
Shock stability etc..Current existing frame structure bean column node interconnection technique is poured section by after and is arranged in beam column node core area, beam-ends
The steel bar end that certain length is stretched out in subordinate portion directly anchors into the construction in node area, beam bottom reinforcing bar protrude into node area often exist beam with
Beam or the mutual collision problem of Liang Yuzhu reinforcing bar, increase prefabricated and installation difficulty, the integrality of bent cap is poor, installation temporary support compared with
It is more, there is the problems such as applicability is insufficient, construction is inconvenient, larger to ground traffic impact, this assembles precast concrete
Monolithic construction is not obvious in the application advantage of overhead station.
How to construct stress performance is good, construction measure rationally, the convenient and fast novel upright post bent cap Joint's connection fabrication of construction,
It is the technological difficulties of assembled integral bridge construction combination overhead station.
Utility model content
Manufacture that difficulty is low, construction is convenient, type of attachment is simple, stress is bright the purpose of the utility model is to provide one kind
True is used for assembled integral bridge construction combination overhead station bean column node.
To achieve the goals above, the technical solution of the utility model is as follows: one kind is combined for assembled integral bridge construction
Overhead station bean column node, the node include prefabricated bent cap, the prefabricated bracket that the horizontal two sides of prefabricated bent cap are arranged in, are located at
The prefabricated longitudinal framing beams of the prefabricated horizontal two sides of bent cap, the prefabricated stand column below prefabricated bent cap and it is located at prefabricated bent cap
The prefabricated frame trestle of top；It is characterized by:
The horizontal both ends of prefabricated bent cap connect waist muscle, the preform lid with pre-buried stringer equipped with pre-buried stringer connection reinforcing bar
Beam bottom is equipped with column connection reinforcing bar and the connected pre-buried grout sleeve of reinforcing bar is connect with the column, and the preform lid back is matched
There is preburied frame trestle to connect reinforcing bar, is set in the prefabricated bracket and connect the connected pre-embedded steel slab of reinforcing bar with pre-buried stringer；
The bottom of the prefabricated longitudinal framing beam is connect equipped with lower part steel bar stress and with the lower part steel bar stress
It is furnished with waist muscle in the end of pre-embedded steel slab, the prefabricated longitudinal framing beam；
The prefabricated stand column sets up column longitudinal reinforcement；
The prefabricated frame trestle is equipped with longitudinal reinforcement and the pre-buried grout sleeve connecting with the longitudinal reinforcement；
The pre-buried grout sleeve of preform lid beam bottom is connected with the column longitudinal reinforcement on prefabricated stand column top, preform lid back preburied frame
Trestle connection reinforcing bar is connected with the pre-buried grout sleeve in frame column bottom；The prefabricated longitudinal framing beam lower part pre-embedded steel slab and prefabricated ox
Leg pre-embedded steel slab is welded to connect, and pours section after the both ends of prefabricated longitudinal framing beam are reserved, prefabricated longitudinal framing beam waist muscle passes through welding
It connect waist muscle with the pre-buried stringer of bent cap and pours section connection after.
Further, the prefabricated longitudinal framing beam lower part steel bar stress and stringer lower part pre-embedded steel slab use welding by both sides
It connects in succession；The pre-buried stringer connection reinforcing bar is connect with prefabricated bracket pre-embedded steel slab using two-sided welding.
Further, the prefabricated longitudinal framing beam lower part pre-embedded steel slab is connect with bracket pre-embedded steel slab using fillet weld.
Further, a section length in reserve is poured after prefabricated longitudinal framing beam, i.e., prefabricated bent cap edge and prefabricated longitudinal framing beam
The horizontal space of end is not less than 200mm, and meets waist muscle weld length requirement.
Further, prefabricated longitudinal framing beam is shelved on prefabricated bracket, and shelving length is not less than 200mm.
Further, prefabricated longitudinal framing beam lower part steel bar stress connect the diameter of reinforcing bar, intensity sum number with pre-buried stringer
Measure identical, the diameter of the column longitudinal reinforcement and preburied column connection reinforcing bar, intensity and quantity are identical, and the frame column is longitudinal
Reinforcing bar is identical as the diameter of frame column connection reinforcing bar, intensity and quantity.
The utility model compared with prior art, has the advantage that
(1) conventional bean column node interconnection technique pours section setting stress steel in beam column node core area, nucleus by after
Muscle is more and connection is complicated, and narrow space operation difficulty is big.On the one hand the utility model reduces precast concrete bean column node core
The complexity that steel bar stress connects in heart district domain, is conducive to being reliably connected between steel bar stress, guarantees the complete of joint cores
On the other hand whole property has been significantly reduced production, the installation difficulty of precast concrete beam, has improved the convenient of site operation
Property and high efficiency.
(2) it pours segment length after to be substantially reduced, prefabricated rate is high.
(3) conventional bean column node interconnection technique needs to be arranged temporary support when prefabricated components are installed, and installs temporary support
It is more, there is the problems such as applicability is insufficient, construction is inconvenient, larger to ground traffic impact.The utility model is integral prefabricated
The prefabricated bracket in bent cap side, prefabricated longitudinal framing beam directly rest on prefabricated bracket, realize and construct without temporary support, reduction pair
The influence of traffic above-ground.
Detailed description of the invention
Fig. 1 is that one kind of the utility model is used for assembled integral bridge construction combination overhead station bean column node connection signal
Figure.
Fig. 2 is the horizontal cross of Fig. 1 central sill Column border node.
It is indicated in figure: 1, prefabricated bent cap；2, prefabricated bracket；3, prefabricated longitudinal framing beam；4, prefabricated stand column；5, precast frame
Column；6, the cast-in-place region in composite beam top；7, section is poured after node；8, composite beam top steel bar stress；9, under prefabricated longitudinal framing beam
Portion's steel bar stress；10, stringer lower part pre-embedded steel slab；11, pre-buried stringer connects reinforcing bar；12, bracket pre-embedded steel slab；13, column is vertical
To reinforcing bar；14, column connects sleeve；15, preburied column connects reinforcing bar；16, frame column longitudinal reinforcement；17, frame column connector sleeve
Cylinder；18, frame column connects reinforcing bar；19, pre-buried stringer connects waist muscle；20, stringer waist muscle.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes one kind for assembled integral bridge construction combine
Overhead station bean column node is described in further detail.According to following explanation and claims, the advantages of the utility model and
Feature will become apparent from.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to side
Just, the purpose of the utility model embodiment is lucidly aided in illustrating.
Fig. 1 illustrates for one kind of the utility model for assembled integral bridge construction combination overhead station bean column node, and Fig. 2
Correspond to the horizontal cross of Fig. 1 central sill Column border node.As shown in Figure 1 and Figure 2, a kind of assembled integral bridge construction that is used for is in conjunction with overhead
Station bean column node, including prefabricated bent cap 1；Prefabricated bracket 2；Prefabricated longitudinal framing beam 3；Prefabricated stand column 4；Prefabricated frame trestle 5；It is folded
The cast-in-place region 6 in the top He Liang；Section 7 is poured after node；Composite beam top steel bar stress 8；Prefabricated longitudinal framing beam lower part steel bar stress
9；Stringer lower part pre-embedded steel slab 10；Pre-buried stringer connection reinforcing bar 11,；Bracket pre-embedded steel slab 12,；Column longitudinal reinforcement 13；Column
Connect sleeve 14；Preburied column connects reinforcing bar 15；Frame column longitudinal reinforcement 16；Frame column connects sleeve 17；Frame column connects steel
Muscle 18；Pre-buried stringer connects waist muscle 19；Stringer waist muscle 20.
As shown in Figure 1, the connected column steel bar stress 13 in both ends of the connection sleeve 14 with connect the straight of reinforcing bar 15
Diameter, intensity and arrangement are identical, and connection sleeve 14 is embedded in prefabricated 1 bottom of bent cap, and the both ends of the connection sleeve 17 are connected
Frame column steel bar stress 16 is identical as the diameter of connection reinforcing bar 18, intensity and arrangement, and connection sleeve 17 is embedded in prefabricated frame trestle 5
Bottom.
The prefabricated longitudinal framing beam lower part steel bar stress 9 and stringer lower part pre-embedded steel slab 10 uses welding by both sides in succession
It connects, weld strength should meet and 9 equality strength of steel bar stress；The pre-buried stringer connection reinforcing bar 11 is adopted with bracket pre-embedded steel slab 12
It is connected with two-sided welding, weld strength should meet and connect 11 equality strength of reinforcing bar；The prefabricated longitudinal framing beam lower part is pre-buried
Steel plate 10 is connect with 12 scene of bracket pre-embedded steel slab using fillet weld, and weld strength should meet and 9 equality strength of steel bar stress.
The prefabricated longitudinal framing beam waist muscle 20 connect about 19 waist muscle with the pre-buried stringer of bent cap and misplaces 1d(d as waist muscle
Diameter), section 7 is poured after beam-ends by being welded to connect, single-sided welding length is not less than 10d, and two-sided welding length is not less than 5d；Institute
Stating and pouring the length in reserve of section 7 after beam-ends is not less than 200mm and to meet waist muscle weld length；Prefabricated longitudinal framing beam 3 is shelved on
On prefabricated bracket 2, shelving length is not less than 200mm.
Above-mentioned one kind is as follows for assembled integral bridge construction combination overhead station bean column node fabrication and installation process:
(1) calculate and require according to design, pour prefabricated stand column 4, the prefabricated prefabricated bracket 2 of bent cap 1(in factory for prefabrication), in advance
Longitudinal framing beam 3 processed, prefabricated frame trestle 5.
(2) by prefabricated components prefabricated stand column 4, the prefabricated prefabricated bracket 2 of bent cap 1(), prefabricated longitudinal framing beam 3, precast frame
Column 5 is transported to construction site.
(3) it is installed lower layer's prefabricated stand column 4, opposition capital Mosaic face is measured and is surface-treated, and is laid with block pulp mould
Plate, and arranged in column top surface and adjust cushion block；The Mosaic face surface of prefabricated stand column 4 and prefabricated bent cap 1 is sufficiently soaked, is spread
If high strength and no shrinting cement grout material；After prefabricated bent cap 1 is precisely in place, to the connection sleeve being embedded in prefabricated bent cap 1 completely
14 are in the milk.
(4) it connects grouting material in sleeve 14 and reaches hoisting prefabricated longitudinal framing beam 3 after intensity, and adjusted according to design requirement
Height and position, prefabricated longitudinal framing beam lower part pre-embedded steel slab 10 are connect with 12 scene of bracket pre-embedded steel slab using fillet weld, in advance
Longitudinal framing beam waist muscle 20 processed, which with the pre-buried stringer of bent cap connect waist muscle 19 and pours section 7 after beam-ends, passes through welded connecting.
(5) stirrup in section 7 is poured after being laid with composite beam top steel bar stress 8 and beam-ends, overlapping layer concrete is poured, wait overlap
After layer concrete intensity reaches design requirement, hoisting prefabricated frame column 5, after precisely in place, to being embedded in prefabricated frame trestle 5 completely
Interior connection sleeve 17 is in the milk.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (5)
1. one kind is used for assembled integral bridge construction combination overhead station bean column node, which includes prefabricated bent cap, is arranged in institute
State the horizontal two sides of prefabricated bent cap prefabricated bracket, positioned at the horizontal two sides of prefabricated bent cap prefabricated longitudinal framing beam, be located at preform lid
Prefabricated stand column below beam and the prefabricated frame trestle above prefabricated bent cap；It is characterized by:
The horizontal both ends of prefabricated bent cap connect waist muscle, the preform lid beam bottom with pre-buried stringer equipped with pre-buried stringer connection reinforcing bar
Reinforcing bar is connected equipped with column and connect the connected pre-buried grout sleeve of reinforcing bar with the column, and the preform lid back is equipped with pre-
Frame column connection reinforcing bar is buried, is set in the prefabricated bracket and connect the connected pre-embedded steel slab of reinforcing bar with pre-buried stringer；
The bottom of the prefabricated longitudinal framing beam is equipped with lower part steel bar stress and connect with the lower part steel bar stress pre-buried
It is furnished with waist muscle in the end of steel plate, the prefabricated longitudinal framing beam；
The prefabricated stand column sets up column longitudinal reinforcement；
The prefabricated frame trestle is equipped with longitudinal reinforcement and the pre-buried grout sleeve connecting with the longitudinal reinforcement；
The pre-buried grout sleeve of preform lid beam bottom is connected with the column longitudinal reinforcement on prefabricated stand column top, preform lid back preburied frame trestle
Connection reinforcing bar is connected with the pre-buried grout sleeve in frame column bottom；The prefabricated longitudinal framing beam lower part pre-embedded steel slab and prefabricated bracket are pre-
Steel plate welded connecting is buried, section is poured after the both ends of prefabricated longitudinal framing beam are reserved, prefabricated longitudinal framing beam waist muscle passes through welding and lid
The pre-buried stringer connection waist muscle of beam pours section connection after.
2. according to claim 1 be used for assembled integral bridge construction combination overhead station bean column node, which is characterized in that institute
The prefabricated longitudinal framing beam lower part steel bar stress stated is connect with stringer lower part pre-embedded steel slab using two-sided welding；The pre-buried stringer
Connection reinforcing bar is connect with prefabricated bracket pre-embedded steel slab using two-sided welding.
3. according to claim 1 be used for assembled integral bridge construction combination overhead station bean column node, which is characterized in that institute
It states prefabricated longitudinal framing beam lower part pre-embedded steel slab and is connect with bracket pre-embedded steel slab using fillet weld.
4. according to claim 1 be used for assembled integral bridge construction combination overhead station bean column node, which is characterized in that pre-
A section length in reserve is poured after longitudinal framing beam processed, i.e., prefabricated bent cap edge and the horizontal space of prefabricated longitudinal framing beam end are not less than
200mm, and meet waist muscle weld length requirement.
5. according to claim 1 be used for assembled integral bridge construction combination overhead station bean column node, which is characterized in that pre-
Longitudinal framing beam processed is shelved on prefabricated bracket, and shelving length is not less than 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132089.7U CN208857974U (en) | 2018-07-17 | 2018-07-17 | One kind being used for assembled integral bridge construction combination overhead station bean column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132089.7U CN208857974U (en) | 2018-07-17 | 2018-07-17 | One kind being used for assembled integral bridge construction combination overhead station bean column node |
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| Publication Number | Publication Date |
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| CN208857974U true CN208857974U (en) | 2019-05-14 |
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ID=66412692
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821132089.7U Active CN208857974U (en) | 2018-07-17 | 2018-07-17 | One kind being used for assembled integral bridge construction combination overhead station bean column node |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319583A (en) * | 2021-12-20 | 2022-04-12 | 宁波市电力设计院有限公司 | Connecting structure of prefabricated frame beam and prefabricated frame column |
| WO2022083380A1 (en) * | 2020-10-22 | 2022-04-28 | 中铁上海设计院集团有限公司 | Overhead cover structure system applicable in operational railway line and implementation method for system |
-
2018
- 2018-07-17 CN CN201821132089.7U patent/CN208857974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083380A1 (en) * | 2020-10-22 | 2022-04-28 | 中铁上海设计院集团有限公司 | Overhead cover structure system applicable in operational railway line and implementation method for system |
| CN114319583A (en) * | 2021-12-20 | 2022-04-12 | 宁波市电力设计院有限公司 | Connecting structure of prefabricated frame beam and prefabricated frame column |
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