CN109208643A - One kind is inverse to make station rectangular steel-tube concrete column structure - Google Patents
One kind is inverse to make station rectangular steel-tube concrete column structure Download PDFInfo
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- CN109208643A CN109208643A CN201811128835.XA CN201811128835A CN109208643A CN 109208643 A CN109208643 A CN 109208643A CN 201811128835 A CN201811128835 A CN 201811128835A CN 109208643 A CN109208643 A CN 109208643A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
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Abstract
The present invention, which discloses, a kind of inverse makees station rectangular steel-tube concrete column structure, including rectangular steel pipe 1, uplift pile 10, top beam 11, middle stringer 12, bottom girder 13；The top of the rectangular steel pipe 1 is equipped with top beam 11, and bottom end is equipped with bottom girder 13, and middle part is uniformly provided with multiple middle stringers 12；The bottom end of the bottom girder 13 is equipped with uplift pile 10；The rectangular steel pipe 1 is located at the part in uplift pile 10 equipped with multiple shear studs 9；The junction of the top beam 11 and rectangular steel pipe 1 is equipped with top beam resistance to compression shearing resistance construction 3；The middle stringer 12 is connected to rectangular steel pipe 1 by middle stringer tension steel plate 4；The lower section of the middle stringer 12 and the junction of rectangular steel pipe 1 are equipped with middle stringer shearing resistance resistance to compression construction 5.The present invention, which can reach, makes full use of section mechanical property, improves resistance to compression, anti-bending bearing capacity, reduces pillar and deck-siding, reduces station structure column section area, reduces the beneficial effect of station width.
Description
Technical field
The invention belongs to urban rail transit technology fields, in particular to one kind is inverse makees station rectangular steel-tube concrete column knot
Structure.
Background technique
Urban subway station majority is reinforced concrete frame structure, and structural column majority is also armored concrete
Column, the limitation of the structural column of underground station often restricted ultimate limit states axial compression ratio.According to " urban track traffic structure
Earthquake resistant design code " GB 50909-2014, underground station structural column seismic behavior is second level, and the axial compression ratio of station structure column is
0.75, for the requirement for meeting axial compression ratio and structural column bearing capacity, Metro Station Structure column needs to do larger size, especially exists
Multilayer, ultra-deep underground station, if routinely armored concrete rod structure designs, structure column cross-section size is very big, leads to station station
Platform is widened, and then station scale and cost is caused to increase, and causes that space is limited, effect is poor.
The domestic inverse structural column majority for making station is using circular steel tube concrete column, and such structure type is in general underground
Two~tri- layers of station have preferable application, but when station is four layers of underground, five layers even more, circular steel tube concrete column
Size also need it is very big, because the arrive at a station distance of edge of table of cylinder directly determines the scale at station and using the superiority and inferiority of function, in engineering
What the station that construction ambient conditions are complicated, governing factor is more was embodied becomes apparent, and rectangular steel-tube concrete column can be sufficiently sharp
With section feature, reduce wide column, reduction deck-siding, reduction station scale and cost, while there is preferable mechanical property and beauty
Effect.
Summary of the invention
The present invention for the technical problems in the prior art, provides and a kind of inverse makees station rectangular steel-tube concrete column knot
Structure can reach and make full use of section mechanical property, improve resistance to compression, anti-bending bearing capacity, reduce pillar and deck-siding, reduce station structure
Column section area reduces the beneficial effect of station width.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: one kind is inverse to make station concrete-filled rectangular steel tube
Rod structure, including rectangular steel pipe (1), uplift pile (10), top beam (11), middle stringer (12), bottom girder (13)；
The top of the rectangular steel pipe (1) is equipped with top beam (11), and bottom end is equipped with bottom girder (13), and middle part is uniformly provided with more
A middle stringer (12)；The bottom end of the bottom girder (13) is equipped with uplift pile (10)；The bottom end perforation bottom of the rectangular steel pipe (1) is vertical
Beam (13) is simultaneously embedded in uplift pile (10)；The rectangular steel pipe (1) is located at the part in uplift pile (10) equipped with multiple shear studs
(9)；
The junction of the top beam (11) and rectangular steel pipe (1) is equipped with top beam resistance to compression shearing resistance construction (3)；It is indulged in described
Beam (12) is connected to rectangular steel pipe (1) by middle stringer tension steel plate (4)；The lower section of the middle stringer (12) and rectangular steel pipe
(1) junction is equipped with middle stringer shearing resistance resistance to compression construction (5)；The bottom girder (13) and the junction of rectangular steel pipe (1) are equipped with
Bottom girder shearing resistance resistance to compression constructs one (6), is equipped with bottom girder shearing resistance resistance to compression inside the bottom girder (13) and constructs two (7) and bottom girder
Tension steel plate (8).
Preferably, the top beam resistance to compression shearing resistance construction (3) is welded on the side wall of rectangular steel pipe (1) by bushing pipe, and
It is connected by dowel and rectangle steel reinforcement cage with top beam (11), forms one and just connect entirety.
Preferably, the top bars of the middle stringer (12) are welded in middle stringer tension steel plate (4)；The middle stringer is anti-
It draws steel plate (4) to be welded in the side wall of rectangular steel pipe (1), forms one and just connect entirety.
Preferably, the middle stringer shearing resistance resistance to compression construction (5) is welded in the side wall of rectangular steel pipe (1), and it is equipped with rectangle
Concealed beam is constructed, connection is reinforced by reinforcing bar inside concealed beam.
Preferably, the bottom girder shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7) and is welded in
The side wall of rectangular steel pipe (1)；The transverse direction of concealed beam, longitudinal reinforcement constructs and rectangular steel pipe (1) by reinforcing for the bottom girder (13)
Perfect rigidity connects.
Preferably, the bottom girder tension steel plate (8) is located at bottom girder (13) interior lower end, and it is welded in rectangular steel pipe
(1) side wall；Bottom girder (13) lower rebar is welded in bottom girder tension steel plate (8), remaining reinforcing bar of stringer passes through bent anchor
Enter in bottom beam joint strengthening construction concealed beam, guarantees that rectangular steel pipe (1) and the rigid of bottom girder (13) connect.
Preferably, the interior fill concrete of the rectangular steel pipe (1) (2).
Preferably, the top beam resistance to compression shearing resistance construction (3) is top beam resistance to compression ring flat-plate and shearing resistance steel corbel；Middle stringer
It is shearing resistance steel corbel and rectangle resistance to compression ring flat-plate that shearing resistance resistance to compression, which constructs (5),；It is shearing resistance steel corbel that bottom girder shearing resistance resistance to compression, which constructs one (6),
One and rectangle resistance to compression ring flat-plate one；It is shearing resistance steel corbel two and rectangle resistance to compression ring flat-plate two that bottom girder shearing resistance resistance to compression, which constructs two (7),.
Preferably, the rectangular steel pipe (1), top beam resistance to compression shearing resistance construction (3), middle stringer tension steel plate (4), in indulge
Beam shearing resistance resistance to compression constructs (5), bottom girder shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7), bottom girder tension
Steel plate (8) is all made of Q235, Q345, Q390, Q420 steel；16~40mm of thickness of steel product, Rectangular Concrete strength grade principle
It is upper to be not less than C50.
Preferably, the inverse construction method for making station rectangular steel-tube concrete column structure is as follows:
(a) rectangular steel pipe (1) is processed in factory's merogenesis first, and carries out ultrasound examination；
(b) top beam resistance to compression shearing resistance construction (3) is soldered to rectangular steel pipe (1) top in factory, by middle stringer tension
Steel plate (4), middle stringer shearing resistance resistance to compression construction (5) are welded in rectangular steel pipe (1) side wall；By bottom girder tension steel plate (8), bottom girder
Shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7) and is soldered to rectangular steel pipe (1) side wall, and all welding are both needed to full
Sufficient code requirement reaches first-order weld quality, and carries out monitoring ultrasonic；
(c) shear stud (9) is poured into rectangular steel pipe (1) side wall in factory, and meets peg shear behavior；
(d) pore-forming, pore-forming to designed elevation are carried out using mechanical along station jack-post net position, and carries out borehole cleaning；
(e) uplift pile (10) steel reinforcement cage is transferred, the underwater concrete of uplift pile (10) is poured；
(f) after splicing the rectangular steel pipe of merogenesis (1) at the scene, shape is integral, in place by rectangular steel pipe (1), rectangle
Below steel pipe (1) in insertion uplift pile (10) steel reinforcement cage, and cast-in-situ bored pile inner concrete is poured to bottom girder (13) bottom, to this
After part concrete reaches design strength, then the concrete at the remaining position in rectangle steel tubing string is poured, until one below top beam
Measured length；
(g) makees station process in conjunction with inverse, gradually bind top beam (11) reinforcing bar, and with reinforcing bar and dowel by rectangular steel pipe
(1) and top beam (11) connection, one-piece casting concrete form rigid joint；
(h) make station process in conjunction with inverse, gradually excavate downwards, successively stringer (12) reinforcing bar in binding, on middle stringer (12)
Portion's main reinforcement and middle stringer tension steel plate (4) are welded, and fail the main reinforcement of welding by bending into joint strengthening concealed beam and and rectangular steel pipe
(1) sidewall weld, the connection of stringer (12) and rectangular steel pipe (1) in guarantee；
(i) make station process in conjunction with inverse, gradually excavate downwards, successively binding bottom girder (13) reinforcing bar, under bottom girder (13)
Portion's main reinforcement and bottom girder tension steel plate weld, remaining row's main reinforcement bend into reinforce in concealed beam and with rectangular steel pipe (1) sidewall weld, protect
Demonstrate,prove the connection of bottom girder (13) and rectangular steel pipe (1).
Compared with prior art, the present invention has the beneficial effects that
(1) under identical load action, compared to rectangular concrete column, be conducive to reduce structural column area of section；It compares
In typical round steel pipe column, column edge and platform edge apart from it is identical under the premise of, be conducive to reduce station width；Especially
Ultra-deep, multiple level station (four layers of underground or more) and side formula station, the effect for reducing station scale and cost become apparent；
(2) when station periphery, governing factor is more, and when changing shifting or removal difficulty and larger cost, such as ancient and famous trees, pipe
Line, buildings or structures etc., inverse station of making can reduce station width, reduced engineering removal expense using rectangular steel-tube concrete column
With saving urban land improves space utilization rate；
(3) inverse to make rectangular steel-tube concrete column and reduce concrete and amount of reinforcement, greatly save project cost；
(4) station structure column section product reduces, and span can suitably increase, and architectural effect is more preferable；
(5) rectangular steel-tube concrete column is constructed in advance, can greatly improve the inverse construction efficiency for making station.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is front view of the invention；
Fig. 3 is cross sectional view of the invention；
Fig. 4 is the inverse rectangular steel tube with concrete infilled and circular steel tube concrete column made of the invention to station widths affect
Compare plan view.
1- rectangular steel pipe in figure, 2- concrete, 3- top beam resistance to compression shearing resistance construct, stringer tension steel plate in 4-, indulge in 5-
Beam shearing resistance resistance to compression construction, 6- bottom girder shearing resistance resistance to compression construct the shearing resistance resistance to compression of one, 7- bottom girder and construct two, 8- bottom girder tension steel
Plate, 9- shear stud, 10- uplift pile, 11- top beam, stringer in 12-, 13- bottom girder.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments
It elaborates to the present invention.
Embodiment of the invention discloses a kind of against station rectangular steel-tube concrete column structure is made, as shown in the figure comprising
Rectangular steel pipe (1), uplift pile (10), top beam (11), middle stringer (12), bottom girder (13)；
The top of rectangular steel pipe (1) is equipped with top beam (11), and bottom end is equipped with bottom girder (13), and middle part is uniformly provided in multiple
Stringer (12)；The bottom end of bottom girder (13) is equipped with uplift pile (10)；Bottom end perforation bottom girder (13) of rectangular steel pipe (1) is simultaneously embedded in
Uplift pile (10)；Rectangular steel pipe (1) is located at the part in uplift pile (10) equipped with multiple shear studs (9)；
The junction of top beam (11) and rectangular steel pipe (1) is equipped with top beam resistance to compression shearing resistance construction (3)；Middle stringer (12) is logical
It crosses middle stringer tension steel plate (4) and is connected to rectangular steel pipe (1)；The lower section of middle stringer (12) and the junction of rectangular steel pipe (1) are set
There is middle stringer shearing resistance resistance to compression construction (5)；The junction of bottom girder (13) and rectangular steel pipe (1) is constructed equipped with bottom girder shearing resistance resistance to compression
One (6), bottom girder (13) is internal to be equipped with bottom girder shearing resistance resistance to compression two (7) of construction and bottom girder tension steel plate (8).
In the present embodiment, top beam resistance to compression shearing resistance construction (3) is welded on the side wall of rectangular steel pipe (1) by bushing pipe, and leads to
It crosses dowel and rectangle steel reinforcement cage to be connected with top beam (11), forms one and just connect entirety.
In the present embodiment, the top bars of middle stringer (12) are welded in middle stringer tension steel plate (4)；Middle stringer tension steel plate
(4) it is welded in the side wall of rectangular steel pipe (1), one is formed and just connects entirety.
In the present embodiment, middle stringer shearing resistance resistance to compression construction (5) is welded in the side wall of rectangular steel pipe (1), and is equipped with rectangle structure
Concealed beam is made, connection is reinforced by reinforcing bar inside concealed beam.
In the present embodiment, bottom girder shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7) and is welded in square
The side wall of shape steel pipe (1)；Bottom girder (13) is by reinforcing the transverse direction of concealed beam, longitudinal reinforcement is constructed with rectangular steel pipe (1) completely just
Property connects.
In the present embodiment, bottom girder tension steel plate (8) is located at bottom girder (13) interior lower end, and is welded in rectangular steel pipe
(1) side wall；Bottom girder (13) lower rebar is welded in bottom girder tension steel plate (8), remaining reinforcing bar of stringer enters bottom by bent anchor
Girder connection is reinforced in construction concealed beam, guarantees that rectangular steel pipe (1) and the rigid of bottom girder (13) connect.
In the present embodiment, rectangular steel pipe (1) interior fill concrete (2).
In the present embodiment, it is top beam resistance to compression ring flat-plate and shearing resistance steel corbel that top beam resistance to compression shearing resistance, which constructs (3),；Middle stringer is anti-
Cutting resistance to compression construction (5) is shearing resistance steel corbel and rectangle resistance to compression ring flat-plate；It is shearing resistance steel corbel one that bottom girder shearing resistance resistance to compression, which constructs one (6),
With rectangle resistance to compression ring flat-plate one；It is shearing resistance steel corbel two and rectangle resistance to compression ring flat-plate two that bottom girder shearing resistance resistance to compression, which constructs two (7),.
In the present embodiment, rectangular steel pipe (1), top beam resistance to compression shearing resistance construct (3), middle stringer tension steel plate (4), middle stringer
Shearing resistance resistance to compression constructs (5), bottom girder shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7), bottom girder tension steel
Plate (8) is all made of Q235, Q345, Q390, Q420 steel；16~40mm of thickness of steel product, Rectangular Concrete strength grade is in principle
Not less than C50.
In the present embodiment, the inverse construction method for making station rectangular steel-tube concrete column structure is as follows:
(a) rectangular steel pipe (1) is processed in factory's merogenesis first, and carries out ultrasound examination；
(b) top beam resistance to compression shearing resistance construction (3) is soldered to rectangular steel pipe (1) top in factory, by middle stringer tension
Steel plate (4), middle stringer shearing resistance resistance to compression construction (5) are welded in rectangular steel pipe (1) side wall；By bottom girder tension steel plate (8), bottom girder
Shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7) and is soldered to rectangular steel pipe (1) side wall, and all welding are both needed to full
Sufficient code requirement reaches first-order weld quality, and carries out monitoring ultrasonic；
(c) shear stud (9) is poured into rectangular steel pipe (1) side wall in factory, and meets peg shear behavior；
(d) pore-forming, pore-forming to designed elevation are carried out using mechanical along station jack-post net position, and carries out borehole cleaning；
(e) uplift pile (10) steel reinforcement cage is transferred, the underwater concrete of uplift pile (10) is poured；
(f) after splicing the rectangular steel pipe of merogenesis (1) at the scene, shape is integral, in place by rectangular steel pipe (1), rectangle
Below steel pipe (1) in insertion uplift pile (10) steel reinforcement cage, and cast-in-situ bored pile inner concrete is poured to bottom girder (13) bottom, to this
After part concrete reaches design strength, then the concrete at the remaining position in rectangle steel tubing string is poured, until one below top beam
Measured length；
(g) makees station process in conjunction with inverse, gradually bind top beam (11) reinforcing bar, and with reinforcing bar and dowel by rectangular steel pipe
(1) and top beam (11) connection, one-piece casting concrete form rigid joint；
(h) make station process in conjunction with inverse, gradually excavate downwards, successively stringer (12) reinforcing bar in binding, on middle stringer (12)
Portion's main reinforcement and middle stringer tension steel plate (4) are welded, and fail the main reinforcement of welding by bending into joint strengthening concealed beam and and rectangular steel pipe
(1) sidewall weld, the connection of stringer (12) and rectangular steel pipe (1) in guarantee；
(i) make station process in conjunction with inverse, gradually excavate downwards, successively binding bottom girder (13) reinforcing bar, under bottom girder (13)
Portion's main reinforcement and bottom girder tension steel plate weld, remaining row's main reinforcement bend into reinforce in concealed beam and with rectangular steel pipe (1) sidewall weld, protect
Demonstrate,prove the connection of bottom girder (13) and rectangular steel pipe (1).
It is described the invention in detail above by embodiment, but the content is only exemplary implementation of the invention
Example, should not be considered as limiting the scope of the invention.Protection scope of the present invention is defined by the claims.All utilizations
Technical solutions according to the invention or those skilled in the art are under the inspiration of technical solution of the present invention, in reality of the invention
In matter and protection scope, designs similar technical solution and reach above-mentioned technical effect, or to made by application range
All the changes and improvements etc. should still belong to patent of the invention and cover within protection scope.It should be noted that in order to clear
It is stated, part and protection scope of the present invention is omitted in explanation of the invention without being directly significantly associated with but this field skill
The statement of component known to art personnel and processing.
Claims (9)
- Make station rectangular steel-tube concrete column structure 1. a kind of inverse, which is characterized in that including rectangular steel pipe (1), uplift pile (10), Top beam (11), middle stringer (12), bottom girder (13)；The top of the rectangular steel pipe (1) is equipped with top beam (11), and bottom end is equipped with bottom girder (13), and middle part is uniformly provided in multiple Stringer (12)；The bottom end of the bottom girder (13) is equipped with uplift pile (10)；The bottom end of the rectangular steel pipe (1) penetrates through bottom girder (13) and uplift pile (10) are embedded in；The rectangular steel pipe (1) is located at the part in uplift pile (10) equipped with multiple shear studs (9)；The junction of the top beam (11) and rectangular steel pipe (1) is equipped with top beam resistance to compression shearing resistance construction (3)；The middle stringer (12) rectangular steel pipe (1) is connected to by middle stringer tension steel plate (4)；The lower section and rectangular steel pipe (1) of the middle stringer (12) Junction be equipped with middle stringer shearing resistance resistance to compression construction (5)；The junction of the bottom girder (13) and rectangular steel pipe (1) is vertical the bottom of equipped with Beam shearing resistance resistance to compression constructs one (6), is equipped with bottom girder shearing resistance resistance to compression inside the bottom girder (13) and constructs two (7) and bottom girder tension Steel plate (8).
- 2. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that the top is vertical Beam resistance to compression shearing resistance construction (3) is welded on the side wall of rectangular steel pipe (1) by bushing pipe, and vertical by dowel and rectangle steel reinforcement cage and top Beam (11) is connected, and forms one and just connects entirety.
- 3. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that indulged in described The top bars of beam (12) are welded in middle stringer tension steel plate (4)；The middle stringer tension steel plate (4) is welded in rectangular steel pipe (1) side wall forms one and just connects entirety.
- 4. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that indulged in described Beam shearing resistance resistance to compression construction (5) is welded in the side wall of rectangular steel pipe (1), and is equipped with rectangular configuration concealed beam, passes through reinforcing bar inside concealed beam Reinforce connection.
- 5. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that the bottom is vertical Beam shearing resistance resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs the side wall that two (7) are welded in rectangular steel pipe (1)；The bottom is vertical Beam (13) is by reinforcing the transverse direction of concealed beam, longitudinal reinforcement constructs and connects with rectangular steel pipe (1) perfect rigidity.
- 6. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that the bottom is vertical Beam tension steel plate (8) is located at bottom girder (13) interior lower end, and is welded in the side wall of rectangular steel pipe (1)；The bottom girder (13) Lower rebar is welded in bottom girder tension steel plate (8), remaining reinforcing bar of stringer enters bottom beam joint strengthening by bent anchor and constructs in concealed beam, Guarantee that rectangular steel pipe (1) and the rigid of bottom girder (13) connect.
- 7. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that the rectangle Steel pipe (1) interior fill concrete (2).
- 8. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that the top is vertical It is top beam resistance to compression ring flat-plate and shearing resistance steel corbel that beam resistance to compression shearing resistance, which constructs (3),；Middle stringer shearing resistance resistance to compression construction (5) is shearing resistance steel ox Leg and rectangle resistance to compression ring flat-plate；It is shearing resistance steel corbel one and rectangle resistance to compression ring flat-plate one that bottom girder shearing resistance resistance to compression, which constructs one (6),；Bottom girder It is shearing resistance steel corbel two and rectangle resistance to compression ring flat-plate two that shearing resistance resistance to compression, which constructs two (7),.
- 9. one kind according to claim 1 is inverse to make station rectangular steel-tube concrete column structure, which is characterized in that inverse to make station The construction method of rectangular steel-tube concrete column structure is as follows:(a) rectangular steel pipe (1) is processed in factory's merogenesis first, and carries out ultrasound examination；(b) top beam resistance to compression shearing resistance construction (3) is soldered to rectangular steel pipe (1) top in factory, by middle stringer tension steel plate (4), middle stringer shearing resistance resistance to compression construction (5) is welded in rectangular steel pipe (1) side wall；By bottom girder tension steel plate (8), bottom girder shearing resistance Resistance to compression constructs one (6), bottom girder shearing resistance resistance to compression constructs two (7) and is soldered to rectangular steel pipe (1) side wall, and all welding are both needed to meet rule Model requirement, reaches first-order weld quality, and carry out monitoring ultrasonic；(c) shear stud (9) is poured into rectangular steel pipe (1) side wall in factory, and meets peg shear behavior；(d) pore-forming, pore-forming to designed elevation are carried out using mechanical along station jack-post net position, and carries out borehole cleaning；(e) uplift pile (10) steel reinforcement cage is transferred, the underwater concrete of uplift pile (10) is poured；(f) after splicing the rectangular steel pipe of merogenesis (1) at the scene, shape is integral, in place by rectangular steel pipe (1), rectangular steel pipe (1) in lower section insertion uplift pile (10) steel reinforcement cage, and cast-in-situ bored pile inner concrete is poured to bottom girder (13) bottom, to this part After concrete reaches design strength, then the concrete at the remaining position in rectangle steel tubing string is poured, until a fixed length below top beam Degree；(g) makees station process in conjunction with inverse, gradually binds top beam (11) reinforcing bar, and with reinforcing bar and dowel by rectangular steel pipe (1) and Top beam (11) connection, one-piece casting concrete form rigid joint；(h) make station process in conjunction with inverse, gradually excavate downwards, successively stringer (12) reinforcing bar in binding, middle stringer (12) top master Muscle and middle stringer tension steel plate (4) are welded, fail the main reinforcement of welding by bend into joint strengthening concealed beam and with rectangular steel pipe (1) side Wall welds, the connection of stringer (12) and rectangular steel pipe (1) in guarantee；(i) make station process in conjunction with inverse, gradually excavate downwards, successively bind bottom girder (13) reinforcing bar, bottom girder (13) lower part master Muscle and bottom girder tension steel plate weld, remaining row's main reinforcement bend into reinforce in concealed beam and with rectangular steel pipe (1) sidewall weld, guarantee bottom The connection of stringer (13) and rectangular steel pipe (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109826190A (en) * | 2019-02-15 | 2019-05-31 | 深圳市市政工程总公司 | The construction method of pile integral structure |
| CN109914460A (en) * | 2019-02-27 | 2019-06-21 | 重庆大学 | A kind of novel suction cartridge type composite structure wind power foundation suitable for shallow sea |
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| CN109826190A (en) * | 2019-02-15 | 2019-05-31 | 深圳市市政工程总公司 | The construction method of pile integral structure |
| CN109914460A (en) * | 2019-02-27 | 2019-06-21 | 重庆大学 | A kind of novel suction cartridge type composite structure wind power foundation suitable for shallow sea |
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Application publication date: 20190115 |