CN106522217A - Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile - Google Patents
Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile Download PDFInfo
- Publication number
- CN106522217A CN106522217A CN201611063648.9A CN201611063648A CN106522217A CN 106522217 A CN106522217 A CN 106522217A CN 201611063648 A CN201611063648 A CN 201611063648A CN 106522217 A CN106522217 A CN 106522217A
- Authority
- CN
- China
- Prior art keywords
- concrete
- steel conduit
- pile
- steel
- cast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- 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
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
Abstract
The invention provides a steel conduit device and a broken pile treatment construction method for a cast-in-situ bored pile. The device comprises a steel conduit and a pipe shoe connected at the bottom of the steel conduit, wherein the pipe shoe comprises a screw thread steel sleeve, an arc-shaped valve and a sealing rubber mat; the top of the screw thread steel sleeve is in threaded connection with the bottom of the steel conduit; the bottom of the screw thread steel sleeve is hinged to the arc-shaped valve; and the arc-shaped valve is freely opened and closed under the action of internal and external pressure. Through the utilization of the steel conduit device, the pile breaking problem of the cast-in-situ bored pile or a cast-in-situ pile with expanded branches and plates due to the fact that the conduit is lifted above a concrete surface can be solved, and the problem that cement of first underwater concrete grouting is washed off by water can be effectively solved as well.
Description
Technical field
The present invention relates to cast-in-situ bored pile and expanding branch grouting pile technical field, more specifically, are related to a kind of drilling
Bored concrete pile and expanding branch grouting pile occur the steel conduit device used by broken pile during perfusion concrete and process broken pile construction
Method.
Background technology
At present, cast-in-situ bored pile and expanding branch grouting pile, have been widely used in architectural engineering, science of bridge building, traffic
The foundation construction such as engineering, hydraulic engineering field.With the underwater concrete pouring for adopting, generally concrete funnel is coordinated to enter water-filling using steel conduit
Lower concrete construction, but in promoting catheter procedure in work progress, it is desirable to buried depth 2-6 rice of the conduit bottom in concrete, due to applying
The general idea of workman person or mistake in computation, cause, when conduit is promoted, conduit bottom to be extracted concrete surface or makes conduit bottom exist
In the laitance of Underwater Concrete surface layer, so that pile breaking phenomenon occurs in bored concrete pile, or make the quality of bored concrete pile undesirable.
It is therefore necessary to steel conduit used by above-mentioned cast-in-situ bored pile underwater concrete pouring is further improved, to avoid filling
Note stake occurs broken pile in work progress, and the broken pile to occurring is adopted remedial measures in time, and the broken pile to being likely to occur is carried out
Process, be allowed to meet the bearing capacity of design requirement and durability.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of steel conduit device for cast-in-situ bored pile and processing disconnected
Pile construction method, to solve underwater cast-in-place pile as promotion conduit is too fast or mistake in computation, conduit bottom is extracted outside concrete face
Or in laitance, there is the problem of broken pile.
The present invention provides a kind of steel conduit for cast-in-situ bored pile and fills, and is connected including steel conduit and with the bottom of steel conduit
Shoe；Wherein, shoe includes screw thread steel bushing and arc flap valve；Wherein, the top of screw thread steel bushing is led with steel by screw thread
The bottom connection of pipe, bottom and the arc flap valve of screw thread steel bushing be hinged, arc flap valve in the presence of external and internal pressure folding oneself
Such as.
Furthermore it is preferred that scheme be, also including being separately positioned on screw thread steel bushing and steel conduit junction, screw thread steel bushing
With the seal gasket between the hinged place of arc flap valve and arc flap valve.
Furthermore it is preferred that scheme be that the top of steel conduit is connected with concrete funnel, and junction between is provided with Lou
Bucket control valve.
Furthermore it is preferred that scheme be, arc flap valve be 5 lobes, be annularly arranged in the bottom of screw thread steel bushing.
Furthermore it is preferred that scheme be that the position at the top of steel conduit and below funnel control valve is provided with aerofluxuss
Valve.
Furthermore it is preferred that scheme be that the position of drain tap is provided with air gauge.
Furthermore it is preferred that scheme be that drain tap is connected with aspirator vacuum pump by rubber tube.
The present invention also provides the construction method that a kind of cast-in-situ bored pile processes broken pile, using above-mentioned for cast-in-situ bored pile
Steel conduit device is constructed, and concrete construction method includes：
S1：Shoe is installed in the bottom of steel conduit, and by the arc flap valve tight closure of shoe；
S2：The steel conduit for being provided with shoe is inserted in the concrete for having irrigated below Underwater Concrete laitance 2-3 rice；
S3：Concrete funnel is installed on the top of steel conduit, and closes funnel control valve；
S4：Concrete is filled in concrete funnel；
S5：Air in steel conduit is evacuated or is close to and is vacuum formed negative pressure；
S6：Funnel control valve is opened, the concrete in concrete funnel reaches shoe, and shoe is beaten by the impulsive force of concrete in concrete funnel
Open, the concrete of steel conduit is merged with the Underwater Concrete, until whole pile body concrete pouring is finished, concrete face is higher by stake top 0.5-1 rice.
Furthermore it is preferred that scheme be in step s 5, by aspirator vacuum pump and to be arranged on the aerofluxuss on steel conduit top
Air in steel conduit is completely drawn out by valve so that steel conduit is internally formed vacuum or is close to vacuum.
Steel conduit device and process broken pile knowable to technical scheme above, provided by the present invention for cast-in-situ bored pile
Construction method, can solve the problem that the broken pile that cast-in-situ bored pile or expanding branch grouting pile are caused due to promoting conduit to process concrete face is asked
Topic, while the device can effectively solve the problems, such as that the cement of first batch of underwater concrete pouring is washed with water, effectively reduces stake bottom
Depth, improves the construction quality of cast-in-situ bored pile.In addition, the device that the present invention is provided, simple structure, low cost, and apply
Work method is simple to operate, it is to avoid broken pile treatment, so as to save construction cost, accelerating construction progress.
In order to realize above-mentioned and related purpose, the one or more aspects of the present invention include the spy that will be explained in below
Levy.Description below and accompanying drawing are described in detail some illustrative aspects of the present invention.However, only indicating in terms of these
Being can be using some mode in the various modes of the principle of the present invention.Additionally, it is contemplated that including all these aspects with
And their equivalent.
Description of the drawings
By reference to the explanation below in conjunction with accompanying drawing, and with being more fully understood to the present invention, the present invention other
Purpose and result will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is to carry out the schematic diagram that underwater concrete pouring steel conduit extracts concrete face according to the pile foundation of one embodiment of the invention；
Fig. 2 is to install steel conduit whole pulled-out holes after outward in conduit bottom according to the pile foundation of one embodiment of the present of invention
The schematic diagram of Underwater Concrete is inserted into after shoe；
Fig. 3 be according to the pile foundation steel conduit bottom of one embodiment of the present of invention install shoe after carry out vacuum suction after use
Funnel irrigates the schematic diagram of Underwater Concrete again；
Fig. 4 is the construction method schematic flow sheet for processing broken pile according to the cast-in-situ bored pile of the embodiment of the present invention.
Reference therein includes：Steel conduit 1, drain tap 2, funnel control valve 3, concrete funnel 4, mud 5, under water
Concrete 6, laitance 7, shoe 8, aspirator vacuum pump 9, arc flap valve 10, threaded ferrule 11.
Identical label indicates similar or corresponding feature or function in all of the figs.
Specific embodiment
Further detailed description is done to the present invention with reference to meeting with specific embodiment.
In the following description, only some example embodiments of the present invention are described by way of explanation, need not
Doubt, in the case that one of ordinary skill in the art will recognize without departing from the spirit and scope of the present invention, can be with
Described implementation is modified with various different modes.Therefore, accompanying drawing and description are merely exemplary in itself, and
It is not to limit scope of the claims.Additionally, in this manual, identical reference sign identical part.
In order to illustrate the structure of the steel conduit device provided by the present invention for cast-in-situ bored pile, Fig. 1 to Fig. 3 is respectively never
Exemplary sign has been carried out to the structure of the steel conduit device for cast-in-situ bored pile with angle.Specifically, Fig. 1 shows basis
The pile foundation of one embodiment of the invention carries out underwater concrete pouring steel conduit and extracts concrete face；Fig. 2 shows one of the invention
Steel conduit whole pulled-out holes are inserted into Underwater Concrete after outward after shoe is installed in conduit bottom by the pile foundation of embodiment；Fig. 3 shows
Pile foundation steel conduit bottom according to an embodiment of the invention is irrigated again with funnel after carrying out vacuum suction after installing shoe
Underwater Concrete.
As Fig. 1 to Fig. 3 jointly shown in, provided by the present invention for the steel conduit device of cast-in-situ bored pile, including：Steel conduit
1 and the shoe 8 that is connected with the bottom of steel conduit 1；Wherein, freely, its structure composition is screw thread steel bushing 11, arc to 8 folding of shoe
Shape flap valve 10 and seal gasket；Wherein, the top of screw thread steel bushing 11 is connected with the bottom of steel conduit 1 by screw thread, screw thread steel
The bottom of sleeve 11 is hinged with arc flap valve 10, also, seal gasket is separately positioned on screw thread steel bushing 11 and is connected with steel conduit 1
The hinged place of place, screw thread steel bushing 11 and arc flap valve 10, and between arc flap valve 10.
Wherein, the top of steel conduit 1 is connected with concrete funnel 4, and junction between is provided with funnel control valve
3.Drain tap 2 is provided with the top of steel conduit 1 and below funnel control valve 3, and drain tap 2 will with aspirator vacuum pump
Air in steel conduit 1 is extracted out so that steel conduit 1 is internally formed vacuum or is close to vacuum.Arrange in the position of drain tap 2
There is air gauge, drain tap 2 is connected with aspirator vacuum pump by rubber tube.Arc flap valve is 5 lobes, is annularly arranged in screw thread steel
The bottom of sleeve.In order to ensure screw thread steel bushing and the connection of arc flap valve and opening for arc flap valve in application process of the present invention
Close freely, arc flap valve will set at least to 3 lobes, and 6～8 lobes are preferable, it is also possible to make appropriate number of lobe according to actual needs
Number.
Specifically, provided by the present invention for the steel conduit device of cast-in-situ bored pile, it is exactly to install in the bottom of steel conduit 1
One special device, freely, referred to as shoe 8,8 structure composition of shoe connect the screw thread steel bushing of steel conduit to the folding of this device energy
11st, arc flap valve 10, seal gasket, the bottom of screw thread steel bushing 11 and arc flap valve 10 are hinged, and in hinged place set fluid sealant
Pad, is also equipped with seal gasket between arc flap valve 10, it is ensured that whole shoe 8 seals waterproof after closure.Arrive in first batch of concrete
Shoe 8 up to 1 bottom of steel conduit is to open freely release concrete, and the device also ensures that the cement in first batch of concrete is flush with water
Loss, can effectively reduce the laitance at a bottom, improve the construction quality of cast-in-situ bored pile.
The present invention also provides a kind of cast-in-situ bored pile and processes broken pile according to the above-mentioned steel conduit device for cast-in-situ bored pile
Construction method, Fig. 4 shows that cast-in-situ bored pile according to embodiments of the present invention processes the construction method flow process of broken pile.
As shown in figure 4, the present invention also provides the construction method that a kind of cast-in-situ bored pile processes broken pile, concrete construction method bag
Include：
S1：Shoe is installed in the bottom of steel conduit, and by the arc flap valve tight closure of shoe；
S2：The steel conduit for being provided with shoe is inserted in the concrete for having irrigated below Underwater Concrete laitance 2-3 rice；
S3：Concrete funnel is installed on the top of steel conduit, and closes funnel control valve；
S4：Concrete is filled in concrete funnel；
S5：Air in steel conduit is evacuated or is close to and is vacuum formed negative pressure；
S6：Funnel control valve is opened, the concrete in concrete funnel reaches shoe, and shoe is beaten by the impulsive force of concrete in concrete funnel
Open, concrete and the concrete in stake of steel conduit merge, until whole pile body concrete pouring is finished, concrete face is higher by stake top 0.5-1 rice.
Wherein, in step s 5, by aspirator vacuum pump and the drain tap on steel conduit top is arranged on by steel conduit
Interior air is completely drawn out so that steel conduit is internally formed vacuum or is close to vacuum.
Shown in comprehensive Fig. 1 to Fig. 4, by taking certain highway bored pile construction as an example：
The cast-in-situ bored pile is 40 meters of deep friction piles, a diameter of 1.8 meters, using concrete funnel 4 (steel) volume 3m3, adopt
With the steel conduit 1 of 40 meters long a diameter of 30cm, the section length of steel conduit 1 has 2 meters, 3 meters, and with screwed connection between steel conduit 1, steel is led
Need to do anti-school and hydraulic pressure test before 1 use of pipe, steel conduit 1 through test passes, carry out it is first fill Underwater Concrete C25 back covers into
Work(, in 18-22cm, the bottom of steel conduit has always a demand for controlling at concrete 4-6 rice under water, as workman promotes for concrete slump control
Steel conduit is slipped up, and steel conduit 1 is extracted on laitance, so as to there is fracture accident, and if in Reperfu- sion hole in upper strata concrete and hole
Interlayer laitance 7 between lower floor's Underwater Concrete, so as to broken pile.For avoiding fracture accident from occurring, operator immediately will be steel conduit 1 whole
Pick than air, clean steel leads the mud outside 1 pipe, and installs shoe 8 in the bottom of steel conduit 1, and threaded ferrule 11 and steel are led
The bottom screwed connection of pipe 1, has therebetween seal gasket, then by 10 closing seam of arc flap valve of shoe 8, closes concrete leakage
The funnel control valve 3 of bucket 4.
The drain tap 2 of 1 upper end of steel conduit is connected with pressure rubber tubing with aspirator vacuum pump 9, air bleeding valve 2 is opened,
Start aspirator vacuum pump 9, check the whether gas leakage of steel conduit device.After pumping reaches negative pressure 0.1MPa, closing drain tap 2 is simultaneously quiet
Put 2-3 minutes, watch air pressure meter reading, if barometer reading is not changed in, air-tightness is good after steel conduit 1 installs shoe 8, so
Sling concrete funnel 4 and steel conduit device, be inserted perpendicularly in Underwater Concrete 6, when allowing shoe 8 to enter 2-3 rice in Underwater Concrete 6, concrete leaked
Bucket 4 fills concrete C25, and rapid to open funnel control valve 3, the concrete in concrete funnel 4 is rapid from the presence of gravity and atmospheric pressure
The shoe 8 of 1 bottom of steel conduit is reached, under the impact of huge concrete, rapidly the arc flap valve 10 of shoe 8 is opened, in steel conduit 1
Concrete and Underwater Concrete 6 it is rapid merge, then successively irrigate concrete into concrete funnel 4, then Underwater Concrete 6 backs down laitance 7 to brill
The top of hole pouring pile stops perfusion concrete after 1 meter of design of pile top absolute altitude, outside steel conduit 1 is proposed Underwater Concrete 6, then should
Stake concrete pouring terminates.Reach after preset strength Deng concrete strength, carry out concrete inspection and (concrete is examined generally by ultrasound examination
Survey), then the stake is work type, can avoid the generation of broken pile, it is ensured that this construction quality, additionally it is possible to save construction cost
(saving rework cost), accelerating construction progress.
Steel conduit device and process provided by the present invention for cast-in-situ bored pile can be seen that by above-mentioned embodiment
Broken pile construction method, can solve the problem that cast-in-situ bored pile or expanding branch grouting pile are caused due to promoting conduit to process concrete face disconnected
Stake problem, while the device can effectively solve the problems, such as that the cement of first batch of underwater concrete pouring is washed with water, and effectively reduces stake
The depth at bottom, improves the construction quality of cast-in-situ bored pile.In addition, the device that the present invention is provided, simple structure, low cost, and
And construction method is simple to operate, it is to avoid broken pile treatment, so as to save construction cost, accelerating construction progress.
Described according to the steel conduit for cast-in-situ bored pile proposed by the present invention in an illustrative manner above with reference to accompanying drawing
Device and process broken pile construction method.It will be understood by those skilled in the art, however, that for being used for that the invention described above is proposed
The steel conduit device of cast-in-situ bored pile and broken pile construction method is processed, can be making on the basis of without departing from present invention
Various improvement.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (9)
1. a kind of steel conduit device for cast-in-situ bored pile, it is characterised in that including steel conduit and the bottom with the steel conduit
The shoe of portion's connection；Wherein,
The shoe includes screw thread steel bushing and arc flap valve；Wherein, the top of the screw thread steel bushing by screw thread with it is described
The bottom connection of steel conduit, the bottom of the screw thread steel bushing are hinged with the arc flap valve, and the arc flap valve is in interior external pressure
In the presence of power, folding is freely.
2. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 1, it is characterised in that
Also include being separately positioned on the screw thread steel bushing with the steel conduit junction, the screw thread steel bushing and the arc
Seal gasket between the hinged place of flap valve and the arc flap valve.
3. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 1, it is characterised in that
The arc flap valve is 5 lobes, is annularly arranged in the bottom of the screw thread steel bushing.
4. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 1, it is characterised in that
The top of the steel conduit is connected with concrete funnel, and junction between is provided with funnel control valve.
5. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 4, it is characterised in that
Position at the top of the steel conduit and below the funnel control valve is provided with drain tap.
6. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 4, it is characterised in that
The position of the drain tap is provided with air gauge.
7. the steel conduit device of cast-in-situ bored pile is used for as claimed in claim 4, it is characterised in that
The drain tap is connected with aspirator vacuum pump by rubber tube.
8. a kind of cast-in-situ bored pile processes the construction method of broken pile, using as described in any one of claim 1-7 for drilling
The steel conduit device of bored concrete pile is constructed, and concrete construction method includes：
S1：Shoe is installed in the bottom of steel conduit, and by the arc flap valve tight closure of the shoe；
S2：The steel conduit for being provided with the shoe is inserted in the concrete for having irrigated below the laitance of Underwater Concrete 2-3 rice；
S3：Concrete funnel is installed on the top of the steel conduit, and closes funnel control valve；
S4：Concrete is filled in the concrete funnel；
S5：Air in the steel conduit is evacuated or is close to and is vacuum formed negative pressure；
S6：The funnel control valve is opened, the concrete in the concrete funnel reaches the shoe, the impact of concrete in the concrete funnel
The shoe is opened by power, and the concrete of the steel conduit is merged with the Underwater Concrete, until whole pile body concrete pouring is finished, concrete face is high
Go out stake top 0.5-1 rice.
9. cast-in-situ bored pile as claimed in claim 8 processes the construction method of broken pile, it is characterised in that
In step s 5, by aspirator vacuum pump and the drain tap on the steel conduit top is arranged on by the steel conduit
Air be completely drawn out so that the steel conduit is internally formed vacuum or is close to vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063648.9A CN106522217A (en) | 2016-11-25 | 2016-11-25 | Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063648.9A CN106522217A (en) | 2016-11-25 | 2016-11-25 | Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522217A true CN106522217A (en) | 2017-03-22 |
Family
ID=58357643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063648.9A Pending CN106522217A (en) | 2016-11-25 | 2016-11-25 | Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522217A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265724A (en) * | 2018-03-30 | 2018-07-10 | 中铁北京工程局集团第工程有限公司 | A kind of brill stake holes concrete secondary back cover device for casting |
| CN110984136A (en) * | 2019-11-14 | 2020-04-10 | 温州大学瓯江学院 | Construction process of pressurized geopolymer cast-in-situ bored pile |
| CN111764393A (en) * | 2020-06-30 | 2020-10-13 | 首钢水城钢铁(集团)赛德建设有限公司 | Pressure measurement inspection device for guide pipe for underwater concrete pouring and pouring method |
| CN116289957A (en) * | 2023-05-18 | 2023-06-23 | 山东东泰工程咨询有限公司 | Road bridge construction pile foundation processing and forming device and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184078A (en) * | 2002-11-28 | 2003-07-03 | Jfe Engineering Kk | Cast-in-place concrete pile and its construction method |
| CN201649074U (en) * | 2010-01-14 | 2010-11-24 | 孔超 | Pile-forming device with valve pile shoe rectangular immersed tube concrete cast-in-place pile |
| CN102995642A (en) * | 2012-12-26 | 2013-03-27 | 广西建工集团第三建筑工程有限责任公司 | Underwater concrete spouting laitance prevention water-proof device |
| CN104452751A (en) * | 2014-12-12 | 2015-03-25 | 中铁十九局集团有限公司 | Secondary pouring pile forming device and pile forming method for bored piles |
| CN205224027U (en) * | 2015-12-10 | 2016-05-11 | 河南华元基础工程有限公司 | Drilling bored concrete pile pipe |
| CN206800384U (en) * | 2016-11-25 | 2017-12-26 | 中冶交通建设集团有限公司 | Steel conduit device for cast-in-situ bored pile |
-
2016
- 2016-11-25 CN CN201611063648.9A patent/CN106522217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184078A (en) * | 2002-11-28 | 2003-07-03 | Jfe Engineering Kk | Cast-in-place concrete pile and its construction method |
| CN201649074U (en) * | 2010-01-14 | 2010-11-24 | 孔超 | Pile-forming device with valve pile shoe rectangular immersed tube concrete cast-in-place pile |
| CN102995642A (en) * | 2012-12-26 | 2013-03-27 | 广西建工集团第三建筑工程有限责任公司 | Underwater concrete spouting laitance prevention water-proof device |
| CN104452751A (en) * | 2014-12-12 | 2015-03-25 | 中铁十九局集团有限公司 | Secondary pouring pile forming device and pile forming method for bored piles |
| CN205224027U (en) * | 2015-12-10 | 2016-05-11 | 河南华元基础工程有限公司 | Drilling bored concrete pile pipe |
| CN206800384U (en) * | 2016-11-25 | 2017-12-26 | 中冶交通建设集团有限公司 | Steel conduit device for cast-in-situ bored pile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265724A (en) * | 2018-03-30 | 2018-07-10 | 中铁北京工程局集团第工程有限公司 | A kind of brill stake holes concrete secondary back cover device for casting |
| CN108265724B (en) * | 2018-03-30 | 2023-09-15 | 中铁北京工程局集团第一工程有限公司 | Bored pile hole concrete secondary back cover pouring device |
| CN110984136A (en) * | 2019-11-14 | 2020-04-10 | 温州大学瓯江学院 | Construction process of pressurized geopolymer cast-in-situ bored pile |
| CN111764393A (en) * | 2020-06-30 | 2020-10-13 | 首钢水城钢铁(集团)赛德建设有限公司 | Pressure measurement inspection device for guide pipe for underwater concrete pouring and pouring method |
| CN116289957A (en) * | 2023-05-18 | 2023-06-23 | 山东东泰工程咨询有限公司 | Road bridge construction pile foundation processing and forming device and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522217A (en) | Steel conduit device and broken pile treatment construction method for cast-in-situ bored pile | |
| CN201172828Y (en) | Well-covering device for dewatering well | |
| CN108517899A (en) | Mouth high-pressure grouting leak stopping processing method is buried in the leakage drilling of deep basal pit diaphram wall | |
| CN207193996U (en) | A kind of precipitation pipe well well-sealing device | |
| CN103741695A (en) | Embedded grouting pipe installed on waterstop and grouting method | |
| CN206800384U (en) | Steel conduit device for cast-in-situ bored pile | |
| CN108166517A (en) | For the shut-in well method and well-sealing device of superelevation floor height hydraulic pressure dewatering well of deep well | |
| CN103031847B (en) | Reducing overlap joint combined type orifice pipe grouting method | |
| CN109944236A (en) | Root pile actively follows track delamination pour slurry system and construction method | |
| CN101979820B (en) | Process for sealing elevation drill hole water-stopping sleeves | |
| CN206529769U (en) | Cast-in-situ bored pile underwater concrete pouring steel conduit | |
| CN212506349U (en) | Water-logging well sealing device for water-lowering zone of ultra-deep foundation pit pipe well | |
| CN106958240B (en) | Air cushion type layered vacuum pipe well and soft foundation drainage method using same | |
| CN106522218A (en) | Cast-in-situ bored pile under-water concrete grouting steel conduct pipe | |
| CN108756971A (en) | A kind of hollow grouting cable anchor and its staged isolation grouting method | |
| CN108677959A (en) | A kind of grouting tube and grouting construction method suitable for mortar depositing construction under the conditions of limited space | |
| CN210049864U (en) | Packer grouting layered water stop simulation device | |
| CN205502044U (en) | Be applied to precipitation structure in grittiness water -bearing stratum under building | |
| CN111852556A (en) | Forward and reverse drainage method in downward through-layer drilling | |
| CN110847155A (en) | Waterproof seam pretreatment method in underground continuous wall construction process | |
| CN207003415U (en) | Air-cushion type batch vacuum pipe well | |
| CN208844629U (en) | Device for sounding and slip casting | |
| CN114197508B (en) | Easy-to-seal water draining device, manufacturing method and using method thereof | |
| CN109555140A (en) | Foundation pit and Tunnel Base spring pump drainage method for blocking and device | |
| CN107504315A (en) | A kind of construction method that Jiang Guandao is got over using baric systerm reparation seepage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |