CN109610842A - A kind of concrete jacking pump send construction method - Google Patents
A kind of concrete jacking pump send construction method Download PDFInfo
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- CN109610842A CN109610842A CN201910070280.6A CN201910070280A CN109610842A CN 109610842 A CN109610842 A CN 109610842A CN 201910070280 A CN201910070280 A CN 201910070280A CN 109610842 A CN109610842 A CN 109610842A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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Abstract
The invention discloses a kind of concrete jacking pumps to send construction method, comprising the following steps: S1, design prepare；S2, the installation of high pressure pump line；Concrete pump is installed, high pressure pump line is fixed on concrete pump；S3, coupling tube installation；Grout hole is opened up on side wall of the steel pipe column close to bottom, coupling tube is inserted into grout hole, is welded and fixed between coupling tube and steel pipe column；High pressure concrete shut-off valve is installed between coupling tube and high pressure pump line；S4, concrete lift-up；Starting concrete pump conveys concrete, after at the top of concrete pumping to steel pipe column, closes high pressure concrete shut-off valve；S5 is operated after the completion of pouring；After concrete initial set, the part that coupling tube extends to outside steel pipe column cut off simultaneously reinforcement.The present invention pours concrete from the bottom of steel pipe column upwards, to enhance agitation of the concrete inside steel pipe column, improves uniformity and compactness inside steel pipe column.
Description
Technical field
The present invention relates to technical field of concrete construction, more specifically, it relates to which a kind of concrete jacking pump send construction
Method.
Background technique
Pump concrete is the concrete that available concrete pump passes through pipeline mix.In order to accelerate speed of application,
Pump concrete usually applies to high-rise or high-rise construction.In super high-rise construction process, carried out with three layer of one segmented column
Concrete pours, and in order to using the gravity of concrete and reduce the energy consumed by pump concrete, high pressure pump line is from column
Top protrude into so that concrete is fallen to inside column from top to down.
It is in place of the deficiencies in the prior art, since the mode poured from top to bottom needs to be pumped by the top of Guan Congzhu
It protrudes into, and concrete is accumulated from bottom to top.Since the concrete of bottom pours at first, it is fixed faster to will lead to
Type, so that the concrete in later period entire column can not accomplish that internal self-compaction degree is consistent, so needing the vibrating to realize of later period
Consistent compactness.And the concrete that bottom first pours remains static, it may appear that dehydration and the problem of tentatively consolidate, thus
Leading to the integral strength of concrete after the completion of vibrating reduces.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of concrete jacking pump to send construction party
Method can be improved the compactness of steel pipe column inner concrete and the overall structural strength of steel pipe column.To achieve the above object, this hair
It is bright to provide following technical solution:
A kind of concrete jacking pump send construction method, comprising the following steps:
S1, design prepare
Concrete mix calculates, and carries out in-site modeling to concrete and detects its performance；Steel pipe column is checked；Pump line route
Planning.
S2, the installation of high pressure pump line
Concrete pump is installed, and high pressure pump line is fixed on concrete pump；It is mutual by flange between adjacent high pressure pump line
It is connected as entirety；
S3, coupling tube installation
Grout hole is opened up on side wall of the steel pipe column close to bottom, and is inserted into coupling tube in grout hole, coupling tube and steel pipe column
Between be welded and fixed；Coupling tube is the high pressure concrete pump line an of arc, and coupling tube is located at one end inside steel pipe column upward
Setting, and high pressure concrete shut-off valve is installed between coupling tube and high pressure pump line；
S4, concrete lift-up
Starting concrete pump conveys concrete, after at the top of concrete pumping to steel pipe column, closes high pressure concrete and cuts
Only valve, and remove high pressure pump line；The steel pipe column carries out elevated height in the form of adapter tube；Before taking over each time, to mixed
The slump and slump divergence for coagulating soil are detected, and are taken over again to steel pipe column after meeting the requirements, are continued the top of concrete
It rises；
S5 is operated after the completion of pouring
After concrete initial set, the part that coupling tube extends to outside steel pipe column cut off simultaneously reinforcement.
Through the above technical solutions, grout hole is opened up close to the position of bottom in steel pipe column, so that concrete is in concrete
It is entered inside steel pipe column from bottom to up under the action of pump by coupling tube.Since concrete enters from below always, so that
It is pushed upwards through entering under the pressure effect for the concrete that the concrete inside hair steel pipe column enters below, while rear
It is stirred under the uneven active force for the concrete that face enters, so that the concrete inside steel pipe column can be uniformly mixed.
Secondly, closing high pressure concrete shut-off valve, and it is remote to remove high pressure concrete shut-off valve after the completion of concrete casting
High pressure pump line from coupling tube one end, and high pressure pump line is connected on the steel pipe column that top is taken over, then carry out the top of concrete
It rises, so that pouring between each section steel pipe column is independent of each other, substantially increases construction efficiency.
After concrete initial set, concrete is also in semi-fluid condition, and convenient for cleaning but mobility is poor.At this time to mistake
It crosses pipe to be cut off beyond the part of steel pipe column, not will cause the case where concrete in coupling tube overflows appearance, then to mistake
The nozzle for crossing pipe excision position carries out reinforcement, so that the structural strength of steel pipe column in the position is guaranteed.
Further preferably are as follows: in the design of the S1 prepares, diaphragm plate, diaphragm plate pair are fixed with inside the steel pipe column
Girder steel is answered to be arranged；Pouring hole is offered in the middle part of diaphragm plate, and the edge of diaphragm plate there are multiple first row stomatas.
Using above-mentioned setting, diaphragm plate can be improved the structural strength that the position of girder steel is connected on steel pipe column.Work as concrete
When be filled into inside steel pipe column from bottom to up, original air can be extruded in steel pipe column, and the setting of first row stomata can
Convenient for the discharge of the air in steel pipe column, to improve the compactness of steel pipe column inner concrete, coagulation inside steel pipe column is avoided
There is hole after soil solidification.
Further preferably are as follows: in the design of the S1 prepares, multiple second rows are offered on the side wall of the steel pipe column
Stomata, the second row stomata are evenly arranged along the length direction of steel pipe column.
Using above-mentioned setting, further it is convenient for for the air inside steel pipe column being discharged.When concrete inside steel pipe column to
When upper movement, the mortar in concrete can overflow a part from second row stomata, consequently facilitating operator observes steel pipe column
The height of interior concrete lift-up.
Further preferably are as follows: the S3 coupling tube installation in, before coupling tube is inserted into grout hole, first incited somebody to action
Pipe, high pressure pump line and high pressure concrete shut-off valve is crossed to be attached；Then starting concrete pump deliver water into high pressure pump line and
Profit pipe is carried out in coupling tube, and then mortar is pumped into high-pressure pump pipe and coupling tube and carries out profit pipe；It was removed after the completion of profit pipe
It crosses pipe and inserts it into grout hole, and coupling tube and high pressure concrete shut-off valve are attached.
Using above-mentioned setting, moisten rubbing during capable of reducing concrete ability high pressure pump line and coupling tube inside transport after pipe
Resistance, to accelerate the progress of concrete construction.Under the premise of reducing frictional resistance between concrete and high-pressure pump inside pipe wall,
The inner frictional resistance between inside concrete mixture can be increased, to improve the mutual adhesiveness of concrete, and then accelerated
The transport of concrete reduces concrete and is stranded in the probability on high pressure pump line and transition inside pipe wall.
Further preferably are as follows: in the concrete lift-up of the S4, on side wall of each section steel pipe column close to bottom
Grout hole is opened up, and one radicle of grafting is connected with the coupling tube of high pressure concrete shut-off valve on grout hole.
Using above-mentioned setting, grout hole, high pressure concrete shut-off valve and coupling tube is arranged in volume on each section steel pipe column
Combination, so that directly high pressure pump line can be connected on high pressure concrete shut-off valve, carry out concrete after the completion of adapter tube
Jacking, substantially increases the efficiency of concrete construction.
Further preferably are as follows: in the concrete lift-up of the S4, when concrete blocks inside steel pipe column, if
The difference in height blocked between at the top of the position and steel pipe column of concrete is not more than 5 meters, then using high throwing mode by concrete from steel
It is poured onto steel pipe column at the top of tubing string；If the difference in height blocked between at the top of the position and steel pipe column of concrete is greater than 5 meters, in steel
It is located above blocking concrete position on tubing string side wall and opens up grout hole, and be inserted into coupling tube in grout hole, to concrete
Again it is jacked.
Using above-mentioned setting, the connectivity and compactness of steel pipe column inner concrete are improved.When the position of blocking concrete
When difference in height between steel pipe column top is not more than 5 meters, illustrates to need the amount of the concrete poured less, can use cart
Or other loading tools pour the capital of concrete transportation to steel pipe column.But when blocking concrete position with
When difference in height between at the top of steel pipe column is greater than 5 meters, the amount for the concrete for needing to pour is still huger, so needing separately to take
Grout hole re-starts grouting.The not far position in the top that blocking position is arranged in grout hole will can preferably block position
It sets and is filled secret room, the space above blocking position can also be poured, improve the close of steel pipe column inner concrete
Solidity.
Further preferably are as follows: in the S5 is operated after the completion of pouring, reinforcement is after cutting off coupling tube, in coupling tube
Cutting position cover one block of steel plate, and edges of plate is welded on steel pipe column.
Using above-mentioned setting, the structural integrity and structural strength of steel pipe column are improved, reduces steel pipe column in the position of grout hole
It sets and stress concentration occurs and steel pipe column is caused the appearance of the case where deformation occur.
Further preferably are as follows: in the S5 is operated after the completion of pouring, grout hole side is opened up on the steel pipe column
Reinforcing component is provided on outer wall；The reinforcing component includes the guide rail for being fixed on the grout hole two sides, and the guide rail is along perpendicular
To arrangement；It is sliding combined with steel plate between two guide rails, electric cylinders vertically, the electric cylinders are provided with above the steel plate
It is fixed on guide rail；The bottom of the steel plate is connected with the cutting assembly of detachable；Original state, the cutting assembly are supported on
In coupling tube；After starting electric cylinders and cutting assembly, cutting assembly cuts downwards coupling tube, while the part cut is covered by steel plate
Lid；After the completion of cutting, cutting assembly, guide rail and electric cylinders are removed, edges of plate is welded on steel pipe column.
Using above-mentioned setting, when needing to cut off coupling tube, start cutting assembly and electric cylinders.Electric cylinders push steel plate
It moves downward and cutting assembly is driven to cut coupling tube downwards.In the face that cutting assembly cutting is completed, steel plate will do it covering, from
And avoid the hypodynamic situation of support of the concrete inside steel pipe column in coupling tube position and occur, so that inside steel pipe column
Concrete can uniform force and preferably carry out final set, improve the overall structural strength of steel pipe column.
Further preferably are as follows: the cutting assembly includes the air pressure cutter being fixed on steel plate, the air pressure cutter direction
The side of steel pipe column is flushed with the side of the steel plate towards the steel pipe column；It is soft that an air guide is connected on the air pressure cutter
Pipe, the soft air-guide pipe are connected with air pump.
It using above-mentioned setting, enables to the section of coupling tube smooth, and reduces the coagulation remained on air pressure cutter
Soil, consequently facilitating the cleaning and secondary use of air pressure cutter.
Further preferably are as follows: attachment beam is fixed between the top of two guide rails, the electric cylinders are fixed on the company
It connects on beam；Connecting rod is fixed between the bottom of two guide rails；Pass through fixed group between two guide rails and steel pipe column
Part is fixed；The fixation kit includes being individually fixed in two cuff plates for mutually deviating from side on two guide rails,
Two cuff plates are fixed to each other far from the side of grout hole by bolt in steel pipe column；And it is fixed on the cuff plate useful
In the support rod being supported on floor.
Using above-mentioned setting, convenient for guide rail is fixed on the side wall of steel pipe column, and no longer aperture on steel pipe column, it reduces
To the Shanghai of steel pipe rod structure, the integral strength of steel pipe column is improved.Also, the installation and removal side of above-mentioned fixation kit
Just, it can reuse, improve resource utilization.
In conclusion the invention has the following advantages: concrete is poured upwards from the bottom of steel pipe column, from
And agitation of the concrete inside steel pipe column is enhanced, improve uniformity and compactness inside steel pipe column；After the completion of pouring
Cut off simultaneously reinforcement to coupling tube redundance, to enhance the structural integrity and stability of steel pipe column.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is high pressure concrete shut-off valve and overall structure diagram when coupling tube is not installed；
Fig. 3 is the A-A the schematic diagram of the section structure of Fig. 2；
Fig. 4 is the B-B the schematic diagram of the section structure of Fig. 2.
In figure, 1, steel pipe column；11, second row stomata；12, grout hole；2, diaphragm plate；21, pouring hole；22, first exhaust
Hole；3, concrete pump；4, high pressure pump line；5, high pressure concrete shut-off valve；6, coupling tube；7, reinforcing component；71, guide rail；711,
Attachment beam；712, connecting rod；72, steel plate；73, cutting assembly；731, air pressure cutter；732, soft air-guide pipe；733, air pump；8, electric
Cylinder；9, fixation kit；91, cuff plate；92, support rod；10, girder steel.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment: a kind of concrete jacking pump send construction method, and project profile is as follows:
The ideal safe city project of silver be located at Hangzhou, Zhejiang province city, welcome road, Yuhang District face with century avenue intersection Subway Line 1 it is flat
Initial station plot is the large scale business synthesis for collecting commercial off-the-shelf component, world first class 5A office.The ideal safe city the third stage of the project of silver is
The hotel and office part of entire project southeast corner, occupied area about 8000m2, 10.5 ten thousand m of overall floorage2；Under ground portion is 3
Layer basement, about 1.4 ten thousand m of construction area2；Overground part is 47 layers, about 9.2 ten thousand m of construction area2。
Concrete is drafted using self-compacting concrete, jacking construction process.Concrete strength requires as follows: C55(7 layers~
18 layers), C50(19 layers~22 layers), C45(23 layers~25 layers) and, C40(26 layers~47 layers).
Concrete jacking pump send construction method as follows:
S1, design prepare
Concrete mix calculates, and detects to the air content, the slump, divergence of concrete；Then concrete is carried out
In-site modeling detects its site operation performance；
Referring to Fig.1, steel pipe column 1 is checked, multiple second row stomatas 11, second exhaust is offered on the side wall of steel pipe column 1
Hole 11 is evenly arranged along the length direction of steel pipe column 1, pours height in steel pipe column 1 convenient for observation concrete；Steel pipe column 1
Inside is fixed with diaphragm plate 2, and the corresponding girder steel 10 of diaphragm plate 2 is arranged；The middle part of diaphragm plate 2 offers pouring hole 21(and sees Fig. 3), and
The quadrangle of diaphragm plate 2 offers a first row stomata 22(respectively and sees Fig. 3), convenient for the air in steel pipe column 1 is discharged；
4 route planning of high pressure pump line determines the trend and length of high pressure pump line 4, while determining the connecting node position of high pressure pump line 4
It sets；Fixed point on 4 length direction of high pressure pump line is planned, and the fixation bracket of corresponding construction site place situation is set
High pressure pump line 4 is supported.
S2, high pressure pump line 4 are installed
Quasi- HBT80C-1818D III (F) concrete pump 3 for selecting 31 heavy industrys of concrete pump 3, the setting of concrete pump 3 is in three phases east
South positions；After concrete pump 3 is in place, in the brick water blocking platform (not shown) of concrete pump 3 one weeks, with disposable pump sewage
Contaminated site；Water blocking platform high 300mm, wide 150mm.A water outlet is reserved on water blocking platform, water outlet passes through gutter and precipitating
Pond is connected, and the sewage of cleaning concrete pump 3 is after precipitation process with watering and lowering dust on site；
High pressure pump line 4 is fixed on concrete pump 3, passes through flanged joint between high pressure pump line 4 and concrete pump 3, and adjacent
High pressure pump line 4 between be connected to each other as a whole by flange；4 junction of high pressure pump line needs to pad matches with 4 pump line of high pressure pump line
The rubber ring of set is pressed into rubber ring recess after smearing butter on rubber ring；The flange of 4 junction of high pressure pump line is in mounting flange spiral shell
When bolt, first all bolts are screwed on but are not tightened, then symmetrically tighten bolt；
High pressure pump line 4 upstairs when selection elevator, pipe well, the logical straight position such as hole to be provided, specifically passing through position can be according to live real
The adjustment of border situation, it is with timber wedge wedging and secured with bracket erection is fixed on the flooring used, and in vertical pivoting angle and horizontal turn
Bracket is fixed at angle and is embedded in reinforcing bar fixation on floor.
S3, coupling tube 6 are installed
Coupling tube 6, high pressure pump line 4 and high pressure concrete shut-off valve 5 are attached combined with Figure 1 and Figure 2, coupling tube 6 is one
The high pressure concrete pump line of arc, to be inserted into inside steel pipe column 1；Then tap water is transported to height by starting concrete pump 3
Profit pipe is carried out in press pump pipe 4 and coupling tube 6, then mortar is pumped into high-pressure pump pipe 4 and coupling tube 6 and carries out profit pipe, mortar
Label it is consistent with the label of mortar used in the concrete that needs pump；Coupling tube 6 is removed after the completion of profit pipe and is inserted into
Into grout hole 12；
Grout hole 12 is opened up on side wall of the steel pipe column 1 close to bottom, and is inserted into coupling tube 6 in grout hole 12, so that transition
Pipe 6 is located at the nozzle of one end inside steel pipe column 1 upward；The edge of coupling tube 6 is welded on the outer wall of steel pipe column 1, then
Coupling tube 6 is installed on high pressure concrete shut-off valve 5.
S4, concrete lift-up
Starting concrete pump 3 conveys concrete, send after concrete pump 3 to 1 top of steel pipe column, closes high pressure concrete
Shut-off valve 5, and remove high pressure pump line 4；Steel pipe column 1 carries out elevated height in the form of adapter tube；And in each section steel pipe column 1
Grout hole 12 is opened up on the side wall of bottom, while one radicle of grafting is connected with high pressure concrete cut-off on grout hole 12
The coupling tube 6 of valve 5, coupling tube 6 and steel pipe column 1 are welded and fixed, directly to the steel pipe newly connect after taking over convenient for the later period to steel pipe column 1
Column 1 carries out the pumping of concrete, improves construction efficiency；
Before taking over each time, slump and slump divergence to concrete are detected, again to steel pipe column 1 after meeting the requirements
It takes over, then concrete is jacked again；
When concrete blocks inside steel pipe column 1, if the height between 1 top of the position of blocking concrete and steel pipe column
Difference is not more than 5 meters, then is poured onto concrete in steel pipe column 1 from the top of steel pipe column 1 using high throwing mode；If blocking concrete
Difference in height between 1 top of position and steel pipe column is greater than 5 meters, and the top of blocking concrete position is located on 1 side wall of steel pipe column
Grout hole 12 is opened up, and is inserted into coupling tube 6 in grout hole 12, concrete is jacked again.
S5 is operated after the completion of pouring
In conjunction with Fig. 3 and Fig. 4, after concrete initial set, the part that coupling tube 6 extends to outside steel pipe column 1 is cut off and mended
By force；For the ease of carrying out reinforcement to the position after cutting on steel pipe column 1, on the outer wall that 12 side of grout hole is opened up on steel pipe column 1
It is provided with cutting assembly 73；
The reinforcing component 7 includes guide rail 71, steel plate 72 and cutting assembly 73.Guide rail 71, which is set on steel pipe column 1, offers filling
The side in hole 12 is starched, the section of guide rail 71 is the setting of L shape.Guide rail 71 is respectively arranged with one, two in the two sides of grout hole 12
Guide rail 71 is vertically arranged；Attachment beam 711 is fixed between the top of two guide rails 71, between the bottom of two guide rails 71
It is fixed with connecting rod 712；The center of attachment beam 711 is fixed with vertical electric cylinders 8, and the piston rod of electric cylinders 8 is arranged downward；And steel plate
72 are located at the lower section of electric cylinders 8, do not connect between the piston rod of steel plate 72 and electric cylinders 8 is bolted or both；Steel plate
72 are bonded towards the side of steel pipe column 1 with 1 outer wall of steel pipe column, and steel plate 72 is slidably matched along guide rail 71；
Cutting assembly 73 includes air pressure cutter 731, the soft air-guide pipe 732 that is connected on air pressure cutter 731 and to be connected to air guide soft
The air pump 733 of 732 end of pipe, the enough steel plates 72 of the length of soft air-guide pipe 732 move up and down along guide rail 71.Air pressure cutter 731
Be fixed by bolts in the bottom of steel plate 72, and air pressure cutter 731 towards steel pipe column 1 side and the steel plate 72 towards described
The side of steel pipe column 1 flushes；
If steel plate 72 and the piston rod of electric cylinders 8 are bolted, then 6 outer wall of original state air pressure cutter 731 and coupling tube
Interval setting；If steel plate 72 and the piston rod of electric cylinders 8 do not connect, then original state air pressure cutter 731 is pushed against in coupling tube
On 6 outer wall, or batten is plugged into the guide rail 71 of 72 bottom of steel plate, the position of steel plate 72 is defined；Work as starting
After electric cylinders 8 and air pump 733, air pressure cutter 731 cuts downwards coupling tube 6, while the part cut is covered by steel plate 72；It has served as
It crosses after pipe 6 cut off completely, air pump 733 is closed, due to concrete solidification completely not yet, so steel plate 72 can be closely attached on coagulation
Soil or slip, last 731 bottom of air pressure cutter are pushed against in connecting rod 712；
In order to improve guide rail 71 in the fixed effect on 1 surface of steel pipe column, and make steel pipe column 1 convenient for aperture, is led described in two
It is fixed between rail 71 and steel pipe column 1 by fixation kit 9；The fixation kit 9 include be respectively fixed with two described in lead
Mutually deviate from two cuff plates 91 of side on rail 71, two cuff plates 91 are in side of the steel pipe column 1 far from grout hole 12
It is fixed to each other by bolt, so that the inner surface of cuff plate 91 is pushed against on steel pipe column 1；And it is fixed on the cuff plate 91 useful
In the support rod 92 being supported on floor；
After coupling tube 6 is cut off completely, need for steel plate 72 to be welded on steel pipe column 1；Electric cylinders 8 are first removed, to steel plate 72
It is welded between top and steel pipe column 1；Then air pressure cutter 731 is removed, is carried out between the bottom to steel plate 72 and steel pipe column 1
Welding；Then, unscrew the bolt between two cuff plates 91, guide rail 71 is removed, then to two side end faces of steel plate 72 and steel
It is welded between 1 outer wall of tubing string.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of concrete jacking pump send construction method, which comprises the following steps:
S1, design prepare
Concrete mix calculates, and carries out in-site modeling to concrete and detects its performance；Steel pipe column (1) is checked；High pressure
Pump line (4) route planning；
S2, high pressure pump line (4) installation
It installs concrete pump (3), and high pressure pump line (4) is fixed on concrete pump (3)；Between adjacent high pressure pump line (4)
It is connected to each other as a whole by flange；
S3, coupling tube (6) installation
It is opened up grout hole (12) on the side wall of steel pipe column (1) close to bottom, and is inserted into coupling tube (6) in grout hole (12),
It is welded and fixed between coupling tube (6) and steel pipe column (1)；Coupling tube (6) is the high pressure concrete pump line an of arc, coupling tube
(6) it is located at steel pipe column (1) internal one end to be arranged upward, and high pressure coagulation is installed between coupling tube (6) and high pressure pump line (4)
Native shut-off valve (5)；
S4, concrete lift-up
Starting concrete pump (3) conveys concrete, after concrete pump (3) is sent to steel pipe column (1), closes high pressure
Concrete shut-off valve (5), and remove high pressure pump line (4)；The steel pipe column (1) carries out elevated height in the form of adapter tube；Often
Before primary adapter tube, slump and slump divergence to concrete are detected, and are carried out again to steel pipe column (1) after meeting the requirements
Adapter tube, continues the jacking of concrete；
S5 is operated after the completion of pouring
After concrete initial set, coupling tube (6) is extended into the external part of steel pipe column (1) and cut off simultaneously reinforcement.
2. a kind of concrete jacking pump according to claim 1 send construction method, which is characterized in that in the design of the S1
It in preparation, is fixed with diaphragm plate (2) inside the steel pipe column (1), the corresponding girder steel setting of diaphragm plate (2)；The middle part of diaphragm plate (2)
It offers pouring hole (21), and the edge of diaphragm plate (2) has multiple first row stomatas (22).
3. a kind of concrete jacking pump according to claim 2 send construction method, which is characterized in that in the design of the S1
In preparation, multiple second row stomatas (11) are offered on the side wall of the steel pipe column (1), the second row stomata (11) is along steel
The length direction of tubing string (1) is evenly arranged.
4. a kind of concrete jacking pump according to claim 1 send construction method, which is characterized in that in the transition of the S3
It manages in (6) installation, before coupling tube (6) is inserted into grout hole (12), first by coupling tube (6), high pressure pump line (4) and high pressure
Concrete shut-off valve (5) is attached；Then starting concrete pump (3) delivers water into high pressure pump line (4) and coupling tube (6)
Profit pipe is carried out, then mortar is pumped into high-pressure pump pipe (4) and coupling tube (6) and carries out profit pipe；Transition is removed after the completion of profit pipe
Pipe (6) simultaneously inserts it into grout hole (12), and coupling tube (6) and high pressure concrete shut-off valve (5) are attached.
5. a kind of concrete jacking pump according to claim 4 send construction method, which is characterized in that in the coagulation of the S4
In soil jacking, opened up grout hole (12) on side wall of each section steel pipe column (1) close to bottom, and inserted on grout hole (12)
Connect the coupling tube (6) that a radicle is connected with high pressure concrete shut-off valve (5).
6. a kind of concrete jacking pump according to claim 3 send construction method, which is characterized in that in the coagulation of the S4
In soil jacking, when concrete blocks inside steel pipe column (1), if at the top of the position and steel pipe column (1) of blocking concrete
Between difference in height be not more than 5 meters, then concrete is poured onto steel pipe column (1) at the top of the steel pipe column (1) using high throwing mode；
If the difference in height blocked between at the top of the position and steel pipe column (1) of concrete is greater than 5 meters, it is located on steel pipe column (1) side wall stifled
Plug opens up grout hole (12) above concrete position, and is inserted into coupling tube (6) in grout hole (12), carries out weight to concrete
New jacking.
7. a kind of concrete jacking pump according to claim 1 send construction method, which is characterized in that in pouring for the S5
After the completion operation in, reinforcement be after cut off coupling tube (6), coupling tube (6) cutting position covering one piece of steel plate (72), and
The edge of steel plate (72) is welded on steel pipe column (1).
8. a kind of concrete jacking pump according to claim 7 send construction method, which is characterized in that in pouring for the S5
After the completion in operation, is opened up on the steel pipe column (1) and be provided with reinforcing component (7) on the outer wall of grout hole (12) side；It is described
Reinforcing component (7) includes the guide rail (71) for being fixed on the grout hole (12) two sides, and the guide rail (71) is vertically arranged；Two
It is sliding combined with steel plate (72) between the guide rail (71), electric cylinders (8) vertically is provided with above the steel plate (72), it is described
Electric cylinders (8) are fixed on guide rail (71)；The bottom of the steel plate (72) is connected with the cutting assembly (73) of detachable；Initial shape
State, the cutting assembly (73) are supported on coupling tube (6)；After starting electric cylinders (8) and cutting assembly (73), cutting assembly (73)
Cutting coupling tube (6) downwards, while the part cut is covered by steel plate (72)；After the completion of cutting, dismounting cutting assembly (73),
Guide rail (71) and electric cylinders (8), the edge of steel plate (72) is welded on steel pipe column (1).
9. a kind of concrete jacking pump according to claim 8 send construction method, which is characterized in that the cutting assembly
It (73) include the air pressure cutter (731) being fixed on steel plate (72), side of the air pressure cutter (731) towards steel pipe column (1)
It is flushed with the side of the steel plate (72) towards the steel pipe column (1)；It is soft that an air guide is connected on the air pressure cutter (731)
It manages (732), the soft air-guide pipe (732) is connected with air pump (733).
10. a kind of concrete jacking pump according to claim 8 send construction method, which is characterized in that two guide rails
(71) it is fixed between top attachment beam (711), the electric cylinders (8) are fixed on the attachment beam (711)；It is led described in two
Connecting rod (712) are fixed between the bottom of rail (71)；Pass through fixation kit between two guide rails (71) and steel pipe column (1)
(9) it is fixed；The fixation kit (9) includes being individually fixed in two that mutually deviate from side on two guide rails (71)
Cuff plate (91), two cuff plates (91) are fixed to each other far from the side of grout hole (12) by bolt in steel pipe column (1)；
And the support rod (92) for being supported on floor is fixed on the cuff plate (91).
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| CN201910070280.6A CN109610842B (en) | 2019-01-24 | 2019-01-24 | Jacking concrete pumping construction method |
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| CN109610842B CN109610842B (en) | 2021-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252476A (en) * | 2020-10-29 | 2021-01-22 | 中国十九冶集团有限公司 | Large-scale steel pipe concrete column pouring construction structure and construction method |
| CN112854764A (en) * | 2021-03-16 | 2021-05-28 | 中铁二十局集团第六工程有限公司 | Concrete pouring construction structure in steel pipe column and construction method |
| CN115231322A (en) * | 2022-07-20 | 2022-10-25 | 中国水利水电第四工程局有限公司 | Self-compacting concrete conveying and exhausting method and integrated joint device |
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| CN112252476A (en) * | 2020-10-29 | 2021-01-22 | 中国十九冶集团有限公司 | Large-scale steel pipe concrete column pouring construction structure and construction method |
| CN112854764A (en) * | 2021-03-16 | 2021-05-28 | 中铁二十局集团第六工程有限公司 | Concrete pouring construction structure in steel pipe column and construction method |
| CN115231322A (en) * | 2022-07-20 | 2022-10-25 | 中国水利水电第四工程局有限公司 | Self-compacting concrete conveying and exhausting method and integrated joint device |
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|---|---|
| CN109610842B (en) | 2021-03-30 |
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