CN106996103B - Built-in pipe construction method in concrete cut based on detachable machine straightening device - Google Patents
Built-in pipe construction method in concrete cut based on detachable machine straightening device Download PDFInfo
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- CN106996103B CN106996103B CN201710303774.5A CN201710303774A CN106996103B CN 106996103 B CN106996103 B CN 106996103B CN 201710303774 A CN201710303774 A CN 201710303774A CN 106996103 B CN106996103 B CN 106996103B
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- detachable machine
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Built-in pipe construction method in a kind of concrete cut based on detachable machine straightening device, connected by the way that manually more built-in pipes are vertically in detachable machine straightening device simultaneously head and the tail respectively and are welded in batch, then uppermost built-in pipe is fixed on guide groove, and casting concrete cut-pff wall is achieved in guide groove from below to up by concreting conduit.The present invention does not need crane, manually can be completed.Horizontal detachable machine straightening device is simple, can recycle, and can reduce the accumulation inclination that built-in pipe is aligned, generates in welding process, guarantees the integral inclined degree of built-in pipe.It improves efficiency, biggish saved cost；By the consolidation process at pad, so that node upper layer and lower layer built-in pipe becomes an entirety, the rigidity of both direction is increased, reduces the deformation generated in casting process.
Description
Technical field
It is specifically a kind of based on detachable machine straightening device the present invention relates to the technology in a kind of construction of hydro project
Built-in pipe construction method in concrete cut.
Background technique
In hydraulic engineering, for the antiseepage mode that dam concrete cut-pff wall and grout curtain combine, concrete cut
It is middle which type of forming hole method to have very big influence to the quality of engineering, progress, cost etc. using.Wall is deep within 30m at present
Cut-pff wall in relatively mostly use drilling Cheng Fangfa.But boring method presence cannot save the duration, it cannot be guaranteed that hole quality, and
Engineering cost is higher, and pore-creating damages cut-pff wall larger.Built-in pipe construction method expend certain tubing cause it is higher
Engineering cost, but pore-forming is convenient and efficient, one-tenth porosity is high, and construction interference is small, saves the duration.Especially in wall deeply more than 30m, wall
Pore-forming will bring more convenience in thick lesser cut-pff wall.
The methods of layering integral hoisting employed in few cut-pff wall built-in pipe engineering construction practice needs to utilize
Crane increases construction cost, and how to guarantee that embedded steel tube is in vertical, how accurate in lifting, alignment, welding process
The problems such as alignment, is dealt with improperly, centainly will cause built-in pipe gradient with the increase of weld length and builds up increase.This
It is difficult to find in a accumulation construction.Find that gradient is excessive after casting concrete, it is also necessary to redrilling.So to being constructed into
Sheet, duration etc. bring more trouble.If the width of dam crest operation side is smaller or other situations make crane can not be into
Enter work surface, just can not construct according to previous method.Secondly, previous construction method not can guarantee between pad upper layer and lower layer
Along the rigidity of guiding flute length and wide direction.
Summary of the invention
The present invention is for the prior art when in face of the concrete cut of relatively deep (especially 50 meters or more), it is necessary to use
The defect that crane could construct proposes built-in pipe construction method in a kind of concrete cut based on detachable machine straightening device,
It can manually be handled without crane.
The present invention is achieved by the following technical solutions:
More built-in pipes are vertically in detachable machine straightening device simultaneously head and the tail weldering in batch by artificial by the present invention respectively
Even, then uppermost built-in pipe is fixed on guide groove, and through concreting conduit from below to up in guide groove
Casting concrete cut-pff wall is achieved.
The method specifically includes the following steps:
The mobile detachable machine straightening device of step 1) is to construction location and is leveled；
The detachable machine straightening device is the rectangular frame of four-layer structure, is equipped with height-adjustable liter on four stabilizer blades
Falling tone section support may be implemented on rectangular frame for construction ground out-of-flatness situation by adjusting each lift adjustment support
Four horizontal planes are in true horizontal position.
The rectangular frame is made of hollow rectangle steel pipe.The material of the device can utilize the steel on building site, to
All pre-buried pipe constructions all after the completion of, which can be disassembled, make other building structural materials.
The hollow rectangle steel pipe in length and breadth of identical size is equipped in the middle part of each layer of structure on the rectangular frame, from
And it constitutes corresponding for fixing the through hole of embedded steel tube position.
After two bottom built-in pipes are manually inserted into the through hole of detachable machine straightening device by step 2) from top to bottom respectively
It gradually transfers, every bottom built-in pipe passes through in upper and lower four through holes；
The length of the bottom built-in pipe is usually 6m, and diameter is usually 90-130mm.
The bottom end of two bottom built-in pipes is symmetrically welded consolidation process with angle steel by step 3)；
The position of the reinforcement of weld is preferably at the 500mm of built-in pipe bottom end.
The angle steel realizes reinforcing by the way of being symmetrically welded using two, the size of the angle steel is used but is not limited to
80x80x10mm。
Step 4) manually hooks the both ends of the reinforcement of weld angle steel in step 3 using pulley gear, then by rope by
Gradually transfer the first section built-in pipe of described two；
The pulley gear includes: rectangle frame bracket and two groups of movable pulleys being slideably positioned on bracket both arms；It should
The height of pulley gear is lower than the bottom horizontal plane in detachable machine straightening device.
Step 5) is when between centre the second third horizontal plane that the upper end of first section built-in pipe drops to detachable machine straightening device
Stop decentralization, in two through holes that two upper layer built-in pipes are inserted into from top to bottom on most and will transfer again at this time, until upper layer
It is welded when connecting with built-in pipe below the lower end of built-in pipe；Further decentralization rope is pre-buried by two layers after the completion of welding
Pipe continues decentralization and butt welding contact carries out consolidation process.
The welding is constructed according to the code requirement of corresponding welding procedure.Previous construction method is not to welding
The strength checking of node.But the built-in pipe in cut-pff wall biggish for depth, comprehensively consider construction quality, the welding of welding
Seam takes the progress consolidation process at welding node in a height, the larger situation of built-in pipe overall length.
Due to being at vertical state behind the fixed hole of two layers of built-in pipe insertion, two layers of steel pipe is just in naturally after welding
On one vertical line, solves vertically accumulating in general crane lifting correction construction due to caused by manual operation misalignment and ask
Topic.It does not need artificially to be aligned by this device simultaneously, eliminates prover time.
The consolidation process, upper butt welding contact carries out reinforcement of weld respectively preferably in both directions.
Step 6) repeat step 5 until bottom built-in pipe transfer near to or in contact with guide groove bottom (with can be realized weldering
It is connected in standard), then top built-in pipe is fixed on guide groove, is finally being oriented to from below to up using concreting conduit
Casting concrete cut-pff wall in slot, to complete to construct.
The top built-in pipe, using but be not limited by two 30A i shaped steels and be fixedly welded on guide groove.
Technical effect
Compared with prior art, the present invention does not need crane, manually can be completed；Horizontal detachable machine straightening device of the invention
Simply, it can recycle, it is ensured that the gradient in built-in pipe alignment, welding process.It improves efficiency, biggish saving
Cost；Both direction is increased so that node upper layer and lower layer built-in pipe becomes an entirety by the consolidation process at pad
Rigidity, reduce the deformation that generates in casting process.
Detailed description of the invention
Fig. 1 is that detachable machine straightening device controls verticality part (along flute length direction) elevation；
Fig. 2 is that detachable machine straightening device controls verticality part (along flute length direction) side view；
Fig. 3 is that detachable machine straightening device manually transfers pre-buried pipe holder elevation；
Fig. 4 is that detachable machine straightening device manually transfers built-in pipe bracket side view；
Fig. 5 is that two built-in pipes of bottom are put into schematic diagram；
Fig. 6 is two built-in pipe connections of bottom and decentralization schematic diagram；
In figure: a is connection schematic diagram；B is that built-in pipe is transferred schematic diagram using pulley；
Fig. 7 is the welding schematic diagram of second layer built-in pipe and two built-in pipes of bottom；
Fig. 8 is the consolidation process schematic diagram of two layers of built-in pipe pad；
Fig. 9 is that joint reinforcing handles side view schematic diagram；
Figure 10 is the whole decentralization schematic diagram of bottom and second layer built-in pipe；
Figure 11 is each piping diagram in guide groove；
In figure: 1 first layer horizontal plane, 2 second layer horizontal planes, 3 third layer horizontal planes, 4 the 4th layers of horizontal plane, 5 are adjusted
Lifting support, 6 pulley gears, the built-in pipe of 7 welding, 8 pad reinforcing joint sizes, 9 suspension hooks and the first contact for saving built-in pipe,
10 built-in pipes, 11 angle steel, 12 reinforcing bars, 13 guide grooves, 14 concrete are poured conduit, 15 slots.
Specific embodiment
The present embodiment the following steps are included:
The mobile entire tunable arrangement of step 1), positioning make the first of device top by rotating adjustable up-down support 5
To the 4th layer of level, since first layer horizontal plane 1, second layer horizontal plane 2, third layer horizontal plane 3, the 4th layer of horizontal plane 4 are mutual
Between to be arranged in parallel, therefore when device first layer horizontal plane 1 is horizontal, other planes are also horizontality.It is leveled by this,
Centainly on a vertical line, it is all vertical for ensuring to be inserted into built-in pipe in this way to four through holes of the same position of four horizontal planes
, the connection of two layers of built-in pipe must on a vertical line, be brought in the process to greatly reduce using crane lifting
Inclination and inclination accumulation, and it is easy to operate, as shown in figures 1-4.
Step 2) manually by four through holes of 10 insertion apparatus of bottom (two) built-in pipe, is then transferred；Such as Fig. 5 institute
Show.
Step 3) at the 500mm of built-in pipe bottom end with two angle steel 11 by two steel-pipe welding consolidation process；So that
Two tubes form entirety, enhance overall stiffness, as shown in Figure 6；Then two built-in pipes 10 are manually transferred by pulley gear,
As shown in fig. 7, two people of entire decentralization process can be completed due to being handled by movable pulley.
Second layer built-in pipe is inserted by step 4), is welded, is transferred, as shown in Figure 8 between intermediate two layers of lateral aperture.
Consolidation process is respectively welded in step 5) in two directions；As shown in Figure 9.Reinforce the steel using 22 millimeters of diameter
Muscle.The rigidity of both direction is enhanced.When the rebar sizes in groove width direction may insure placing concrete, built-in pipe inclines
Tiltedly maximum to be no more than 20 centimetres, the integral inclined rate of built-in pipe is 20 centimetres deep divided by corresponding concrete cut, far smaller than
Slope requirement in hydraulic anti-seepage wall job specfication.
Step 6) bottom and the whole of second layer built-in pipe are transferred, as shown in Figure 10.Aforesaid operations are repeated, top is pre-
Pipe laying is fixed on guide groove, pours cut-off wall concrete, as shown in figure 11.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (4)
1. built-in pipe construction method in a kind of concrete cut based on detachable machine straightening device, which is characterized in that pass through people
More built-in pipes are vertically to respectively in detachable machine straightening device in batch for work and head and the tail weld and connect, then will be uppermost pre-buried
Pipe is fixed on guide groove, and casting concrete cut-pff wall is able to reality in guide groove from below to up by concreting conduit
It is existing, this method specifically includes the following steps:
The mobile detachable machine straightening device of step 1) is to construction location and is leveled；
Two bottom built-in pipes are manually inserted into after the through hole of detachable machine straightening device gradually by step 2) from top to bottom respectively
Decentralization, every bottom built-in pipe pass through in upper and lower four through holes；
The bottom end of two first section built-in pipes is symmetrically welded consolidation process with angle steel by step 3)；
Step 4) manually hooks the both ends of the reinforcement of weld angle steel in step 3 using pulley gear, under then passing through rope gradually
Put two bottom built-in pipes；
Step 5) is stopped when between centre the second third horizontal plane that the upper end of bottom built-in pipe drops to detachable machine straightening device
It only transfers, in two through holes that two upper layer built-in pipes are inserted into from top to bottom on most and will transfer again at this time, until upper layer is pre-
It is welded when connecting with built-in pipe below the lower end of pipe laying；Rope is further transferred after the completion of welding by two layers of built-in pipe
Continue decentralization and butt welding contact carries out consolidation process；
Step 6) repeats step 5 until bottom built-in pipe is transferred near to or in contact with guide groove bottom, then that top is pre-buried
Pipe is fixed on guide groove, finally uses the concreting conduit casting concrete cut-pff wall in guide groove from below to up, from
And complete construction；
The detachable machine straightening device is the rectangular frame of four-layer structure, is equipped with height-adjustable rising-falling tone on four stabilizer blades
Support is saved, four on rectangular frame may be implemented by adjusting each lift adjustment support for construction ground out-of-flatness situation
Horizontal plane is in true horizontal position；
The pulley gear includes: rectangle frame bracket and two groups of movable pulleys being slideably positioned on bracket both arms；The pulley
The height of device is lower than the bottom horizontal plane in detachable machine straightening device.
2. according to the method described in claim 1, it is characterized in that, be all provided in the middle part of each layer of structure on the rectangular frame
There is the hollow rectangle steel pipe in length and breadth of identical size, to constitute corresponding for fixing the through hole of embedded steel tube position.
3. according to the method described in claim 1, it is characterized in that, the consolidation process, butt welding contact point in two directions
It carry out not reinforcement of weld.
4. according to the method described in claim 1, it is characterized in that, the top built-in pipe passes through two 30A i shaped steels
It is fixedly welded on guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303774.5A CN106996103B (en) | 2017-05-03 | 2017-05-03 | Built-in pipe construction method in concrete cut based on detachable machine straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303774.5A CN106996103B (en) | 2017-05-03 | 2017-05-03 | Built-in pipe construction method in concrete cut based on detachable machine straightening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996103A CN106996103A (en) | 2017-08-01 |
| CN106996103B true CN106996103B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710303774.5A Expired - Fee Related CN106996103B (en) | 2017-05-03 | 2017-05-03 | Built-in pipe construction method in concrete cut based on detachable machine straightening device |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113529767A (en) * | 2021-07-28 | 2021-10-22 | 海西州那棱格勒河水利枢纽工程建设管理局 | Embedded pipe embedding method for impervious wall construction |
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| JP2008121335A (en) * | 2006-11-14 | 2008-05-29 | Kumagai Gumi Co Ltd | Construction method and tensioning system device for tower-shaped pc structure |
| CN202338697U (en) * | 2011-11-23 | 2012-07-18 | 内蒙古科技大学 | Fixing device for embedded pipe |
| CN103669359A (en) * | 2012-09-24 | 2014-03-26 | 葛洲坝集团基础工程有限公司 | Pre-buried grout pipe truss device of impervious wall |
| CN104278677A (en) * | 2014-10-16 | 2015-01-14 | 葛洲坝集团基础工程有限公司 | Guide pipe fixing device and guide pipe fixing method during diaphragm wall groove section pouring |
| CN104652419A (en) * | 2015-01-20 | 2015-05-27 | 广东水电二局股份有限公司 | Construction method for preserving curtain grouting pipe in underground impervious wall |
| CN104652439A (en) * | 2013-11-19 | 2015-05-27 | 中国葛洲坝集团股份有限公司 | Auxiliary mounting device of pre-embedment grouting pipe in impervious wall slot |
| CN204495259U (en) * | 2015-04-09 | 2015-07-22 | 中国电建集团成都勘测设计研究院有限公司 | Concrete cut hole slope measurement apparatus |
-
2017
- 2017-05-03 CN CN201710303774.5A patent/CN106996103B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121335A (en) * | 2006-11-14 | 2008-05-29 | Kumagai Gumi Co Ltd | Construction method and tensioning system device for tower-shaped pc structure |
| CN202338697U (en) * | 2011-11-23 | 2012-07-18 | 内蒙古科技大学 | Fixing device for embedded pipe |
| CN103669359A (en) * | 2012-09-24 | 2014-03-26 | 葛洲坝集团基础工程有限公司 | Pre-buried grout pipe truss device of impervious wall |
| CN104652439A (en) * | 2013-11-19 | 2015-05-27 | 中国葛洲坝集团股份有限公司 | Auxiliary mounting device of pre-embedment grouting pipe in impervious wall slot |
| CN104278677A (en) * | 2014-10-16 | 2015-01-14 | 葛洲坝集团基础工程有限公司 | Guide pipe fixing device and guide pipe fixing method during diaphragm wall groove section pouring |
| CN104652419A (en) * | 2015-01-20 | 2015-05-27 | 广东水电二局股份有限公司 | Construction method for preserving curtain grouting pipe in underground impervious wall |
| CN204495259U (en) * | 2015-04-09 | 2015-07-22 | 中国电建集团成都勘测设计研究院有限公司 | Concrete cut hole slope measurement apparatus |
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| CN106996103A (en) | 2017-08-01 |
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Granted publication date: 20190315 |