CN108547331A - Caisson pile concrete elevation measures and superfilled control method - Google Patents
Caisson pile concrete elevation measures and superfilled control method Download PDFInfo
- Publication number
- CN108547331A CN108547331A CN201810378977.5A CN201810378977A CN108547331A CN 108547331 A CN108547331 A CN 108547331A CN 201810378977 A CN201810378977 A CN 201810378977A CN 108547331 A CN108547331 A CN 108547331A
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- sensor
- reinforcement cage
- superfilled
- concrete
- steel reinforcement
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Abstract
The present invention relates to the technical fields of filling pile construction, disclose caisson pile concrete elevation measurement and superfilled control method, including host, steps are as follows：(1) fill orifice is formed；(2) main reinforcement cage and secondary steel reinforcement cage are made, sensor is bound on secondary steel reinforcement cage；(3) main reinforcement cage is hung to aperture and the fixation of fill orifice, it is docked with main reinforcement cage in the aperture that secondary steel reinforcement cage is hung to fill orifice again, sensor is fixed on fixed frame again, transfers main reinforcement cage and secondary steel reinforcement cage, fixed frame and sensor are at stake top absolute altitude；(4) sensor connects host；(5) concrete perfusion is to stake top absolute altitude, and sensor sends out signal, and host computer control indicator light is shinny, stops perfusion；(6) by the graduation mark of cable, sensor is directly promoted to superfilled position, after completing superfilled construction, stops perfusion；(7) sensor is recycled.This method can be accurately controlled the groundwater increment of concrete, and environmentally protective, cost-effective.
Description
Technical field
The present invention relates to the technical fields of filling pile construction, more particularly to caisson pile concrete elevation measurement and superfilled control
Method.
Background technology
With the quickening of urbanization process, to meet maximally utilizing for resource, the building underground space will be to deeper side
To development；In the underground engineering field of all trades and professions such as building, water conservancy and hydropower, traffic, the energy, civil engineering, bored concrete pile foundation
It is obtained for extensive use.
Currently, for the deeper situation of pile foundation construction sky stake before deep foundation pit earthwork digging, subaqueous concreting for
The control of stake top absolute altitude and superfilled amount is more difficult.
In the prior art, using dead weight sampling method, sieve bucket is welded on weight, by the dead weight of weight itself, sense of sinking
Know the position of concrete surface, and sample estimation, obtains the position of stake top absolute altitude and superfilled face absolute altitude, still, this method is easily by people
It being influenced for factor, error is larger, leads to the waste of concrete, and the useless pile crown that the later stage cuts not only is made to pollute the environment, not environmentally protective,
And the expense of cutting can be increased, cost of building projects is improved, schedule delays also result in the quality of stake certain influence.
Invention content
The purpose of the present invention is to provide caisson pile concrete elevation measurement and superfilled control methods, it is intended to solve existing skill
The larger problem of caisson pile concrete elevation measurement error in art.
The invention is realized in this way caisson pile concrete elevation measures and superfilled control method, including it is used to receive and passes
The host of sensor signal, steps are as follows for Specific construction：
(1) rotary digging forms fill orifice；
(2) main reinforcement cage and secondary steel reinforcement cage are made, after completing, by sensor binding on the secondary steel reinforcement cage；
(3) the main reinforcement cage is lifted to the aperture of the fill orifice and fixation, then the secondary steel reinforcement cage is hung to institute
The aperture for stating fill orifice is docked with the main reinforcement cage, and the main reinforcement cage is equipped with the fixed frame for fixing the sensor,
The sensor originally bound is unclamped, then the sensor is fixed on the fixed frame, transfers the main reinforcement cage
And the secondary steel reinforcement cage；When the main reinforcement cage is placed in bottom hole, at this point, the fixed frame and the sensor are in stake top
At absolute altitude；
(4) sensor connects the host by the cable with graduation mark；
(5) concrete perfusion waits at filling concrete to stake top absolute altitude that the sensor is by acquiring concrete and mud
Between pressure difference, to send out specified signal, the host for connecting sensor receives signal, and the indicator light of host will be sent out
Bright, scene can stop being perfused；
(6) according to the graduation mark of the cable, the sensor is pulled out to superfilled height, at this point, indicator light does not work then,
Continue concrete perfusion, when perfusion is to superfilled height, indicator light is shinny again, stops perfusion；
(7) sensor is recycled.
Further, before the main reinforcement cage is docked with the secondary steel reinforcement cage, one end of the cable connects the biography
Sensor and part is wrapped like, one end of the cable and the sensor are fixed on the bottom of secondary steel reinforcement cage jointly；Described in
The length direction of secondary steel reinforcement cage, the other end of the cable extend to outside the top of the secondary steel reinforcement cage and connect the host.
Further, when pile body is completed to be perfused, before concrete initial set, the sensor recycling is carried out.
Further, from top to bottom, the fixed frame includes the capping block for being placed in bottom, the top of the fixed frame with it is outer
Portion is connected to；The sensor is inserted into from the top of the fixed frame and contradicts the capping block, realizes the fixation of the sensor.
Further, the capping block is in up big and down small cone shape.
Further, the fixed frame includes fixed ring, and the fixed ring is formed in the top of the fixed frame；When described
Sensor fixes the fixed frame, and along the circumferencial direction of the sensor, the fixed ring surround ring is around the sensor.
Further, the fixed ring half is around the sensor.
Compared with prior art, caisson pile concrete elevation measurement provided by the invention and superfilled control method, will sense
Device is fixed on fixed frame, together with main reinforcement cage and secondary steel reinforcement cage under put fill orifice into, also, when main reinforcement cage is placed in perfusion
When bottom hole, sensor is at stake top absolute altitude；During filling concrete, sensor acquires surrounding medium pressure, is converted into electricity
Signal is by cable transmission to host, and since the proportion of medium (mud and concrete) is different, the signal that sensor is transmitted is just
It is divided into power, host to meet predetermined standard time by analysis pressure difference, host will make warning by the way that indicator light is shinny,
To realize the high accurate measurement of concrete-pile top mark, sensor is promoted to superfilled height, continues concrete perfusion, lamp to be instructed
It reminds, stops concrete perfusion, it is easy to operate to realize the superfilled accurate measurement of concrete, concrete can be accurately controlled
Groundwater increment, ensure pile quality, the pile crown convenient for later stage bored concrete pile is abolished, environmentally protective, while saving construction cost.
Description of the drawings
Fig. 1 is that caisson pile concrete elevation provided in an embodiment of the present invention measures and the step flow of superfilled control method is shown
It is intended to；
Fig. 2 is that caisson pile concrete elevation provided in an embodiment of the present invention measures and the three-dimensional of superfilled control method is illustrated
Figure；
Fig. 3 is the secondary steel reinforcement cage of caisson pile concrete elevation measurement provided in an embodiment of the present invention and superfilled control method
Stereoscopic schematic diagram；
Fig. 4 is that caisson pile concrete elevation provided in an embodiment of the present invention measures and the sensor of superfilled control method is installed
And the stereoscopic schematic diagram that sensor is extracted upward.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In description of the invention
In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore the use of position relationship described in attached drawing
Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term is understood as the case may be.
The realization of the present invention is described in detail below in conjunction with specific embodiment.
Referring to Fig.1 shown in -4, preferred embodiment is provided for the present invention.
Caisson pile concrete elevation provided by the invention measures and superfilled control method, for solving cast-in-place pile concrete mark
The larger problem of high measurement error.
Caisson pile concrete elevation measurement and superfilled control method include the host 50 for 30 signal of receiving sensor, tool
Steps are as follows for body construction：
(1) rotary digging forms fill orifice；
(2) main reinforcement cage 20 and secondary steel reinforcement cage 10 are made, after completing, sensor 30 is bound in secondary steel reinforcement cage 10
On；
(3) main reinforcement cage 20 is lifted to the aperture of fill orifice and fixation, then secondary steel reinforcement cage 10 is hung to the hole of fill orifice
Mouth is docked with main reinforcement cage 20, and main reinforcement cage 20 is equipped with the fixed frame 60 for fixing sensor 30, the sensing that will originally bind
Device 30 unclamps, then sensor 30 is fixed on fixed frame 60, decentralization main reinforcement cage 20 and secondary steel reinforcement cage 10；When main reinforcement cage
20 are placed in bottom hole, at this point, fixed frame 60 and sensor 30 are at stake top absolute altitude 70；
(4) sensor 30 connects host 50 by the cable 40 with graduation mark；
(5) concrete perfusion waits at filling concrete to stake top absolute altitude 70 that sensor 30 is by acquiring concrete and mud
Pressure difference between 90, to send out specified signal, the host 50 of connection sensor 30 receives signal, the indicator light of host 50
Will be shinny, scene can stop being perfused；
(6) according to the graduation mark of cable 40, sensor 30 is pulled out it is after 80s to superfilled height, at this point, indicator light does not work then, after
Continuous concrete perfusion, when perfusion is to superfilled height 80, indicator light is shinny again, stops perfusion；
(7) sensor 30 is recycled.
Above-mentioned caisson pile concrete elevation measures and superfilled control method, and sensor 30 is fixed on fixed frame 60,
Fill orifice is put into down together with main reinforcement cage 20 and secondary steel reinforcement cage 10, also, when main reinforcement cage 20 is placed in fill orifice bottom, sensing
Device 30 is at stake top absolute altitude 70；During filling concrete, sensor 30 acquires surrounding medium pressure, and it is logical to be converted into electric signal
It crosses cable 40 and is transmitted to host 50, since the proportion of medium (mud 90 and concrete) is different, the signal that sensor 30 is transmitted
Just it is divided into power, host 50 to meet predetermined standard time, host 50 will be made by the way that indicator light is shinny by analyzing pressure difference
Warning promotes sensor 30 to superfilled height 80 to realize the accurate measurement of concrete-pile top mark high 70, continues that coagulation is perfused
Soil waits for that host 50 is reminded, and stops concrete perfusion, easy to operate to realize the superfilled accurate measurement of concrete, can be accurately
The groundwater increment of concrete is controlled, ensures pile quality, the pile crown convenient for later stage bored concrete pile is abolished, environmentally protective, while being saved and being applied
Work cost.
In the present embodiment, before main reinforcement cage 20 dock with secondary steel reinforcement cage 10, one end of cable 40 connect sensor 30 and
Part is wrapped like, and one end and the sensor 30 of cable 40 are fixed on the bottom 12 of secondary steel reinforcement cage 10 jointly；Along secondary steel reinforcement cage 10
Length direction, the other end of cable 40, which extends to, connects host 50 outside the top 11 of secondary steel reinforcement cage 10；Due to the one of cable 40
End is wrapped like the bottom 12 for being fixed on secondary steel reinforcement cage 10, in this way, subsequently distinguishing into one end of line sensor 30 and cable 40
When being in releasing orientation with secondary steel reinforcement cage 10, one end of sensor 30 and cable 40 has more movings range, is convenient for sensor
30 fix main reinforcement cage 20.
There is suspension centre 13, suspension centre 13 to be used to carry out loop wheel machine work to secondary steel reinforcement cage 10 for loop wheel machine at the top 11 of secondary steel reinforcement cage 10
Industry plays a protective role to the top 11 of secondary steel reinforcement cage 10, secondary steel reinforcement cage 10 is avoided to carry out lifting work under the action of suspension centre 13
When industry, it is deformed.
In addition, main reinforcement cage 20 also has suspension centre 13, when main reinforcement cage 20 being avoided to carry out lifting operation, it is deformed, from
And it plays a protective role.
When pile body is completed to be perfused, before concrete initial set, recycled into line sensor 30；Since concrete and mud 90 are in
Flow regime, the resistance that sensor 30 pulls out upward is smaller, is above pulled out convenient for passing through, and sensor 30 is pulled out to the aperture of fill orifice, is pulled out
Thicker mud 90 is adhered on 30 surface of sensor after going out, after being rinsed with clear water, carries out recycling.
Specifically, from top to bottom, fixed frame 60 includes the capping block for being placed in bottom, and top and the outside of fixed frame 60 connect
It is logical；Sensor 30 is inserted into from the top of fixed frame 60 contradicts capping block, realizes the fixation of sensor 30；In the effect of capping block
Under, avoid sensor 30 from being detached from fixed frame 60 from the lower section of fixed frame 60, enhancing sensor 30 installs stability；Due to fixation
The top of frame 60 is connected to outside, in this way, when being convenient for superfilled construction, the promotion of sensor 30, meanwhile, after construction,
Convenient for the recycling of sensor 30.
Furthermore it is in up big and down small cone shape to cover block；Capping block has the contact surface of bigger with sensor 30 in this way,
Capping block is set to have more support force；Sensor 30 has the lower end contacted with capping block, and the lower end of sensor 30 is pointed, so just
In the cooperation of sensor 30 and capping block, effectively reduces sensor 30 in use, shake, influence the detection of sensor 30
Accuracy.
Fixed frame 60 includes fixed ring, and fixed ring is formed in the top of fixed frame 60；When sensor 30 fix fixed frame 60,
Along the circumferencial direction of sensor 30, fixed ring surround ring is around sensor 30；Under the action of fixed ring, avoid sensor 30 from side
Side is detached from fixed frame 60, and stability is installed to enhance sensor 30.
Furthermore fixed ring half is around sensor 30；The meaning being arranged in this way is, convenient for installing for sensor 30, in addition,
After construction, the recycling of sensor 30.
It covers block to be integrally formed with fixed ring, reduces union piece, meanwhile, enhance the overall stability of fixed frame 60.
Host 50 is equipped with buzzer, and buzzer is electrically connected with sensor 30, when concrete covers sensor 30, buzzing
Device makes a sound prompting, and people's prompting is acoustically given in realization, and the accurate measurement and concrete to ensure stake top absolute altitude are super
The detection accurately measured filled.
Sensor 30 is pressure sensor 30, can effectively the differential pressure between mud 90 and concrete be carried out in this way
Analysis, and then send out signal and received for host 50.
By taking rotary digging bored concrete pile T2-a41 as an example, stake designs aperture 2.4m, hole depth 64.6m, stake top absolute altitude 70-25.1m, casing
Absolute altitude 6.28m, superfilled 1m, absolute altitude -24.1m, effective length 34.22m, 154.7m measures in theoretical calculation concrete side3。
First, the processing and fabricating of main reinforcement cage 20 and secondary steel reinforcement cage 10,20 long 34.22m of main reinforcement cage, secondary steel reinforcement cage 10 are grown
30.38m, 40 long 50m of cable twine 30 end line cable 40 of sensor at the docking location of secondary steel reinforcement cage 10 and main reinforcement cage 20
Band is reinstated around 2~3m, and with sensor 30, is fixed on the bottom of secondary steel reinforcement cage 10, remaining cable 40 is along secondary steel reinforcement cage 10
Length direction extend to and connect host 50 outside the top of secondary steel reinforcement cage 10.
Then, main reinforcement cage 20 is hung to the aperture of fill orifice and rod and is fixed, then secondary steel reinforcement cage 10 is hung to filling
The aperture of orifice is docked with main reinforcement cage 20, using multiple tracks band fixed frame 60 tie up with 70 same level of stake top absolute altitude
On main reinforcement cage 20, sensor 30 and cable 40 are unclamped, sensor 30 is then inserted into fixed frame 60, then will with one of band
Sensor 30 is fixed with main reinforcement cage 20, and main reinforcement cage 20 is transferred to bottom hole, and the other end of cable 40 is connected with host 50, main
Machine 50 is positioned on level ground.
Then, rotary digging bored concrete pile T2-a41, theoretical concrete perfusion side's amount is 150.2m3, real to send out 155m3, conduit installs
Cheng Hou proceeds by the placing of pile concrete, as perfusion 150.5m3When, the indicator light of host 50 lights, and shows concrete
Sensor 30 is covered, at this point, 30 absolute altitude of sensor is unanimously -25.1m with design stake top absolute altitude 70, stops perfusion, with refetching certainly
Sample method, it is -25.9m to measure concrete absolute altitude at this time, not up to designs stake top absolute altitude 70, still needs to continue to be perfused, and will be continued at this time
Consume (25.9-25.1) x π x1.22=3.6m3 concrete.
Then, sensor 30 is artificially extracted into 1m to superfilled height 80, at this point, host upwards by carrying scale cable 40
50 indicator light does not work, and then, continues casting concrete, when perfusion to 155m3, the indicator light of host 50 is shinny again, shows
Concrete has been perfused to the superfilled height 80 of design, and 154.7m is measured with theory side3Differ 0.3m3, at this point, with dead weight sampling method
Sampling, it is -24.7m to measure concrete absolute altitude at this time, then needs feed supplement, will continue to consume (24.7-24.1) x π x1.22=2.7m3
Concrete；It can be seen that using this technical method energy high-precision control stake top absolute altitude 70 and superfilled amount, the reduction later stage cuts concrete side
Amount, energy conservation and environmental protection do not waste, and save construction cost, and conventional method human factor is affected, and error is also relatively large.
Finally, when pile body is completed to be perfused, before concrete initial set, into 30 recovery operation of line sensor, due to concrete and
Mud 90 is in flow regime, smaller to pulling out resistance on sensor 30, can pull out sensor 30 to fill orifice directly by above pulling out
Aperture, 30 surface of sensor after extraction adheres to thicker mud 90, can rinse thickness with clear water and carry out recycling.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. caisson pile concrete elevation measures and superfilled control method, which is characterized in that include for receiving sensor signal
Host, steps are as follows for Specific construction：
(1) rotary digging forms fill orifice；
(2) main reinforcement cage and secondary steel reinforcement cage are made, after completing, by sensor binding on the secondary steel reinforcement cage；
(3) the main reinforcement cage is lifted to the aperture of the fill orifice and fixation, then the secondary steel reinforcement cage is hung to the filling
The aperture of orifice is docked with the main reinforcement cage, and the main reinforcement cage is equipped with the fixed frame for fixing the sensor, will be former
The sensor that first binds unclamps, then the sensor is fixed on the fixed frame, transfer the main reinforcement cage and
The pair steel reinforcement cage；When the main reinforcement cage is placed in bottom hole, at this point, the fixed frame and the sensor are in stake top absolute altitude
Place；
(4) sensor connects the host by the cable with graduation mark；
(5) concrete perfusion waits at filling concrete to stake top absolute altitude that the sensor is by acquiring between concrete and mud
Pressure difference, to send out specified signal, the host for connecting sensor receives signal, and the indicator light of host will be shinny, existing
Field can stop being perfused；
(6) according to the graduation mark of the cable, the sensor is pulled out to superfilled height, at this point, indicator light does not work then, is continued
Concrete perfusion, when perfusion is to superfilled height, indicator light is shinny again, stops perfusion；
(7) sensor is recycled.
2. caisson pile concrete elevation as described in claim 1 measures and superfilled control method, which is characterized in that as the master
Before steel reinforcement cage is docked with the secondary steel reinforcement cage, one end of the cable connects the sensor and part is wrapped like, the line
One end of cable is fixed on the bottom of secondary steel reinforcement cage with the sensor jointly；Along the length direction of the secondary steel reinforcement cage, the line
The other end of cable extends to outside the top of the secondary steel reinforcement cage and connects the host.
3. caisson pile concrete elevation as described in claim 1 measures and superfilled control method, which is characterized in that when pile body is complete
When at perfusion, before concrete initial set, the sensor recycling is carried out.
4. the caisson pile concrete elevation as described in claim 1-3 any one measures and superfilled control method, feature exist
In from top to bottom, the fixed frame includes the capping block for being placed in bottom, and the top of the fixed frame is connected to outside；The biography
Sensor is inserted into from the top of the fixed frame and contradicts the capping block, realizes the fixation of the sensor.
5. caisson pile concrete elevation as claimed in claim 4 measures and superfilled control method, which is characterized in that from upper
Under, the capping block is in up big and down small cone shape.
6. the caisson pile concrete elevation as described in claim 1-3 any one measures and superfilled control method, feature exist
In the fixed frame includes fixed ring, and the fixed ring is formed in the top of the fixed frame；Described in being fixed when the sensor
Fixed frame, along the circumferencial direction of the sensor, the fixed ring surround ring is around the sensor.
7. caisson pile concrete elevation as claimed in claim 6 measures and superfilled control method, which is characterized in that the fixation
Ring half is around the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378977.5A CN108547331B (en) | 2018-04-25 | 2018-04-25 | Cast-in-place pile concrete elevation measurement and over-grouting control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378977.5A CN108547331B (en) | 2018-04-25 | 2018-04-25 | Cast-in-place pile concrete elevation measurement and over-grouting control method |
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| Publication Number | Publication Date |
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| CN108547331A true CN108547331A (en) | 2018-09-18 |
| CN108547331B CN108547331B (en) | 2019-12-20 |
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ID=63512516
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810378977.5A Active CN108547331B (en) | 2018-04-25 | 2018-04-25 | Cast-in-place pile concrete elevation measurement and over-grouting control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629572A (en) * | 2019-01-09 | 2019-04-16 | 中国建筑第四工程局有限公司 | One kind is for reducing the superfilled concrete strength device of pile crown |
| CN110872851A (en) * | 2019-11-29 | 2020-03-10 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN111042231A (en) * | 2020-01-10 | 2020-04-21 | 刘雪琴 | Method for detecting in-hole concrete pouring elevation of underground bored pile |
| CN117507122A (en) * | 2024-01-04 | 2024-02-06 | 吉林市政建设集团有限公司 | Prefabricated tubular pile concrete core filling height quantitative control system |
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| CN202139616U (en) * | 2011-05-17 | 2012-02-08 | 天津二十冶建设有限公司 | Underwater elevation controller for cast-in-place concrete pile |
| CN204645052U (en) * | 2015-01-09 | 2015-09-16 | 山东正元建设工程有限责任公司 | A kind of concrete that controls surpasses the device of filling with height |
| JP2017021058A (en) * | 2016-11-02 | 2017-01-26 | 大成建設株式会社 | Foundation pile |
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| CN202139616U (en) * | 2011-05-17 | 2012-02-08 | 天津二十冶建设有限公司 | Underwater elevation controller for cast-in-place concrete pile |
| CN204645052U (en) * | 2015-01-09 | 2015-09-16 | 山东正元建设工程有限责任公司 | A kind of concrete that controls surpasses the device of filling with height |
| JP2017021058A (en) * | 2016-11-02 | 2017-01-26 | 大成建設株式会社 | Foundation pile |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629572A (en) * | 2019-01-09 | 2019-04-16 | 中国建筑第四工程局有限公司 | One kind is for reducing the superfilled concrete strength device of pile crown |
| CN110872851A (en) * | 2019-11-29 | 2020-03-10 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN110872851B (en) * | 2019-11-29 | 2021-09-21 | 深圳宏业基岩土科技股份有限公司 | Construction method for controlling elevation of concrete slurry surface of hollow pile section engineering pile |
| CN111042231A (en) * | 2020-01-10 | 2020-04-21 | 刘雪琴 | Method for detecting in-hole concrete pouring elevation of underground bored pile |
| CN117507122A (en) * | 2024-01-04 | 2024-02-06 | 吉林市政建设集团有限公司 | Prefabricated tubular pile concrete core filling height quantitative control system |
| CN117507122B (en) * | 2024-01-04 | 2024-03-08 | 吉林市政建设集团有限公司 | Prefabricated tubular pile concrete core filling height quantitative control system |
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| CN108547331B (en) | 2019-12-20 |
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Effective date of registration: 20191225 Address after: Unit 15a, engineering exploration building, No.8, Keji South 8th Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Institute of Geological Environment Research Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee before: Shenzhen Gongkan Geotechnical Group Co., Ltd. |
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Effective date of registration: 20200417 Address after: 518000 Botai Engineering Exploration Building, No. 8 South Eighth Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 1501 Patentee after: SHENZHEN GONGKAN GEOTECHNICAL GROUP Co.,Ltd. Address before: Unit 15a, engineering exploration building, No.8, Keji South 8th Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Institute of Geological Environment Research Co., Ltd. |