CN109972672A - A kind of Underwater pile construction concrete feeding conduit position-measurement device - Google Patents
A kind of Underwater pile construction concrete feeding conduit position-measurement device Download PDFInfo
- Publication number
- CN109972672A CN109972672A CN201910357570.9A CN201910357570A CN109972672A CN 109972672 A CN109972672 A CN 109972672A CN 201910357570 A CN201910357570 A CN 201910357570A CN 109972672 A CN109972672 A CN 109972672A
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- China
- Prior art keywords
- feeding conduit
- concrete
- concrete feeding
- surface pressing
- display control
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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
- 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
- E02D33/00—Testing foundations or foundation structures
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a kind of Underwater pile construction concrete feeding conduit position-measurement devices, including sensing unit and display control unit；The sensing unit includes multiple surface pressing inductive pick-ups, multiple surface pressing inductive pick-ups are mounted on mounting rack with constant spacing from the bottom to top, mounting rack is bolted to connection on more than two welding blocks, and more than two welding blocks are welded to the outer wall above concrete feeding conduit discharge port from the bottom to top；Display control unit is connected to after multiple surface pressing inductive pick-up series connection.The beneficial effects of the present invention are effectively instruct site operation personnel to complete the decentralization of concrete feeding conduit and promote operation, play the role of quality assurance, avoid construction accident under water in the operation process of cast-in-place concrete pile.
Description
Technical field
The present invention relates to the technical field of construction of filling concrete, and in particular to a kind of Underwater pile construction concrete
Feeding conduit position-measurement device.
Background technique
Under water in the work progress of pouring concrete pile, generally poured using concrete feeding conduit method, i.e., by coagulation
Native mix passes through mouth under concrete feeding conduit, and concrete (as water barrier) bottom that the initial stage of entering pours newly pours
Concrete jacking the concrete that pours of initial stage rise and the underwater concreting method to circumferential expansion.It is perfused at first
The concrete of stake bottom is gradually jacked by subsequent concrete to pile crown position, therefore the concrete at underwater grouting pile head position is total
It is the part being perfused at first.By pile bottom sediment, slurry coat method, shape of hole wall, steel reinforcement cage and stake is long is influenced, in the mixed of rising
Solidifying soil top layer can cover certain thickness slurry (mud, mortar, soil and concrete mixture slurry), in the construction process, one
Surely to guarantee that the outlet of concrete feeding conduit cannot be detached from concrete layer, otherwise soil is mixed into concrete, will cause broken pile construction
Accident, so in current construction, it is necessary to measure the depth of a concrete surface every half an hour, calculate concrete conveying and lead
The joint number total length of pipe.It obtains concrete feeding conduit outlet port, guarantees that it is embedded under concrete 2-6 meters.Shallow nozzle is easy
It is detached from concrete and causes broken pile.Bury too deep, pressure is too big, does not go under fresh concrete, and old concrete overlong time is also easy
As a result initial set will also result in broken pile.
Casting engineering is very nervous, and each link must be in place.The measurement concrete feeding conduit without automation is deep at present
The method of degree, by testing staff using the whole highly responsible measurement of the tools such as weight, large labor intensity not can guarantee absolute
Reliable construction generally requires once causing fracture accident and excavates, hangs down and bore, hang down and make, waste is very huge.
Summary of the invention
The object of the present invention is to provide a kind of Underwater pile construction concrete feeding conduit position-measurement devices, under water
It is mounted on appropriate location above the discharge port for the concrete feeding conduit that cast-in-place pile type chamber pours operation in filling pile construction, passes through
The pressure information for obtaining flowing concrete comes position of the concrete apart from conduit discharge port in deterministic type chamber.
Realize that the technical solution of the object of the invention is as follows:
A kind of Underwater pile construction concrete feeding conduit position-measurement device, including sensing unit and display control
Unit；The sensing unit includes multiple surface pressing inductive pick-ups, multiple surface pressing inductive pick-ups from the bottom to top with
Constant spacing is mounted on mounting rack, and mounting rack is bolted to connection on more than two welding blocks, two or more welding
Block is welded to the outer wall above concrete feeding conduit discharge port from the bottom to top；Multiple surface pressing inductive pick-ups are sequentially connected in series
After be connected to display control unit.
Further, the surface pressing inductive pick-up includes the strain resistor of a sensed pressure, the electrostrictive strain
The resistance of a resistance fixed resistance value also in parallel.
Further, the quantity of the surface pressing inductive pick-up is 5, and the constant spacing being mounted on mounting rack is
1 meter.
The beneficial effects of the present invention are effectively instruct execute-in-place under water in the operation process of cast-in-place concrete pile
Personnel complete the decentralization of concrete feeding conduit and promote operation, play the role of quality assurance, avoid construction accident.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of apparatus of the present invention.
Five series-parallel connected mode schematic diagrams of surface pressure sensor in Fig. 2 sensing unit of the present invention.
Fig. 3 is sensing unit structures stereoscopic schematic diagram of the invention.
Fig. 4 is the triggering situation schematic diagram of surface pressure sensor in sensing unit of the invention.
Fig. 5 is display control unit interface schematic diagram in the specific embodiment of the invention.
Specific embodiment
A kind of Underwater pile construction concrete feeding conduit position-measurement device of the present invention, it is fixed in filling pile construction
The appropriate location above the discharge port of concrete feeding conduit for pouring operation to cast-in-place pile type chamber, the pressure of the fluid media (medium) of acquisition
Force information is with the position range of concrete and pulp layer interface in deterministic type chamber, for applying for auxiliary direction underwater cast-in-place pile
Work.
As seen from Figure 1, device is made of sensing unit 100 and the display control unit connecting with sensing unit information 200；
Comprising there are five surface pressing inductive pick-up 111,112,113,114 and 115, this five surface pressings in sensing unit 100
On the mounting rack 102 that sensor is mounted on sensor unit 100 in the way of 1 meter of spacing, what mounting rack 102 was bolted
Mode is fixed on welding block 101, and welding block 101 is fixed in feeding conduit 1 by welding.Sensing unit 100 is logical
It crosses the communications cable and measured value is transferred to display control unit 200, to instruct the construction operation of bored concrete pile.
From Figure 2 it can be seen that five surface pressing inductive pick-ups 111,112,113,114 and 115 are connected by concatenated form
It connects, inside independent each surface pressure sensor, is used for the strain resistor of sensed pressure and a resistance value in parallel is 1000
Kilo-ohm or so fixed resistance value resistance.Strain resistor inside surface pressure sensor is not the case where sensor surface stresses
Under be infinitely great, so, in the case where not stressing, the output valve of parallel circuit shows after with a fixed resistance value resistor coupled in parallel
For the resistance value of fixed resistance.And the strain resistor inside surface pressure sensor be in the case where sensor surface stress compared with
Small value (0-100 kilo-ohms), in the case where stress, the output valve of parallel circuit shows as the resistance value of strain resistor.Using this
The mode combined in series and parallel, as long as two conducting wires in connection cable, which may be implemented, can be completed information transmission, 50 meters very under water
Detection operation is completed in deeper situation, this mode can both save cable expense, be also beneficial to the outer protection skin of cable
Thickness is done, ensures cable secure.
Sensing unit 100 and display control unit 200 are coupled by cable and connector 207.Display control unit includes electricity
Source module 201, data analysis module 202, display module 203, communication module 204, input interface 205 and output interface 206.It is aobvious
Show control unit 200 by the size and variable quantity of analysis measured value to identify that top of concrete is in the position model of conduit
It encloses, guiding construction operation.Fig. 5 is shown in the interface signal of display control unit.
In use, welding block 101 to be first welded and fixed to the appropriate position of conduit, sensing unit is then passed through into installation
Frame 102 is fixed on welding block 101, and five surface pressure sensors are fixed on mounting rack 102 by 1 meter of spacing, nethermost
Surface pressure sensor is apart from 2 meters of conduit outlet position, and uppermost surface pressure sensor is apart from 6 meters of conduit outlet position.
The internal parallel resistance of surface pressure sensor selects 1000 kilo-ohms.The internal strain resistance of surface pressure sensor is in stress
It is triggered when more than 50 grams, 50 grams to 2 kilograms corresponding strain resistance values of stress are 150 kilo-ohms to 30 kilo-ohms.
In filling process, concrete is gradually lifted, when reaching nethermost surface pressure sensor, the surface pressing
Sensor sensing is to the lateral pressure of concrete, to influence the output valve of whole series circuit, display control unit analysis should
Output valve can determine whether out that top of concrete is in apart from 2 meters of conduit outlet position place at this time, as time goes by, concrete continuation
Rise, before next surface pressure sensor does not trigger, the output valve of series circuit does not have big variation, display control
Unit can determine whether that top of concrete is in the range of 2-3 meters of conduit outlet position, reach second table when concrete rises
When face pressure force snesor, the output valve of series circuit is varied widely, and display control unit judges top of concrete accordingly
It is 3 meters apart from conduit outlet position, and so on, display control unit may determine that top of concrete apart from conduit outlet 2-6
Specific location range (1 meter of worst error) in rice range.During filling concrete, if display control unit judgement is mixed
It does not alarm then in the 2-6 rice range away from conduit outlet position solidifying soil top surface.If being in 2-3 meters or 5-6 meters of ranges, say
Bright to have the danger for leaving construction safety region, display control unit can trigger early warning indicator light.If occurred in early warning range
It is detached from the detection case of safety zone, then display control unit triggers alarm lamp immediately, and guiding construction personnel adjust in time
Catheter position.
From fig. 4, it can be seen that at different location sensing unit being respectively placed in concrete environment, for triggering surface pressing
Sensor see the table below to obtain data:
Monitoring equipment is shown as shown in figure 5, its interface display situation is as follows:
Illustrate: if practical dynamometry value is not within the scope of the dynamometry value of upper table, being triggered by two ranges that it is closed on
Processing.
The present invention can effectively instruct site operation personnel to complete coagulation under water in the operation process of cast-in-place concrete pile
The decentralization and promotion operation of native feeding conduit, play the role of quality assurance, avoid construction accident.
Claims (3)
1. a kind of Underwater pile construction concrete feeding conduit position-measurement device, which is characterized in that including sensing unit
(100) and display control unit (200)；The sensing unit (100) includes multiple surface pressing inductive pick-ups, multiple surfaces
Pressure sensitive sensor is mounted on mounting rack (102) with constant spacing from the bottom to top, mounting rack (102) company of being bolted
It is connected on more than two welding blocks (101), more than two welding blocks (101) are welded to concrete feeding conduit (1) from the bottom to top
Outer wall above discharge port；Multiple surface pressing inductive pick-ups are connected to display control unit (200) after being sequentially connected in series.
2. concrete feeding conduit position-measurement device as described in claim 1, which is characterized in that the surface pressing induction
Sensor includes the strain resistor of a sensed pressure, the resistance of a strain resistor fixed resistance value also in parallel.
3. concrete feeding conduit position-measurement device as described in claim 1, which is characterized in that the surface pressing induction
The quantity of sensor is 5, and the constant spacing being mounted on mounting rack (102) is 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357570.9A CN109972672B (en) | 2019-04-29 | 2019-04-29 | Concrete conveying guide pipe position measuring device for underwater cast-in-place pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357570.9A CN109972672B (en) | 2019-04-29 | 2019-04-29 | Concrete conveying guide pipe position measuring device for underwater cast-in-place pile construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972672A true CN109972672A (en) | 2019-07-05 |
| CN109972672B CN109972672B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910357570.9A Expired - Fee Related CN109972672B (en) | 2019-04-29 | 2019-04-29 | Concrete conveying guide pipe position measuring device for underwater cast-in-place pile construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255314A (en) * | 2020-11-02 | 2021-01-22 | 西南交通大学 | Concrete conveying guide pipe position measuring device |
| CN113804140A (en) * | 2021-08-24 | 2021-12-17 | 四川志德岩土工程有限责任公司 | Cast-in-place pile concrete interface monitoring device and monitoring method |
| CN115046670A (en) * | 2022-07-28 | 2022-09-13 | 北京新桥技术发展有限公司 | Mobile equipment for monitoring pouring process of cast-in-place pile |
Citations (4)
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|---|---|---|---|---|
| CN103437358A (en) * | 2013-09-13 | 2013-12-11 | 杭州银博交通工程材料有限公司 | Concrete pouring control system and method for cast-in-place pile |
| CN207109888U (en) * | 2017-08-02 | 2018-03-16 | 山西冶金岩土工程勘察总公司 | The superfilled height measuring device of cast-in-place concrete pile |
| CN108797657A (en) * | 2018-06-14 | 2018-11-13 | 中国建筑股份有限公司 | The superfilled monitoring device of underwater pile concrete and monitoring method |
| CN208251019U (en) * | 2018-04-27 | 2018-12-18 | 河南创辉水利水电工程有限公司 | A kind of levee slope double-layer protecting device of mountain stream |
-
2019
- 2019-04-29 CN CN201910357570.9A patent/CN109972672B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437358A (en) * | 2013-09-13 | 2013-12-11 | 杭州银博交通工程材料有限公司 | Concrete pouring control system and method for cast-in-place pile |
| CN207109888U (en) * | 2017-08-02 | 2018-03-16 | 山西冶金岩土工程勘察总公司 | The superfilled height measuring device of cast-in-place concrete pile |
| CN208251019U (en) * | 2018-04-27 | 2018-12-18 | 河南创辉水利水电工程有限公司 | A kind of levee slope double-layer protecting device of mountain stream |
| CN108797657A (en) * | 2018-06-14 | 2018-11-13 | 中国建筑股份有限公司 | The superfilled monitoring device of underwater pile concrete and monitoring method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255314A (en) * | 2020-11-02 | 2021-01-22 | 西南交通大学 | Concrete conveying guide pipe position measuring device |
| CN112255314B (en) * | 2020-11-02 | 2022-02-22 | 西南交通大学 | Concrete conveying guide pipe position measuring device |
| CN113804140A (en) * | 2021-08-24 | 2021-12-17 | 四川志德岩土工程有限责任公司 | Cast-in-place pile concrete interface monitoring device and monitoring method |
| CN113804140B (en) * | 2021-08-24 | 2022-09-06 | 四川志德岩土工程有限责任公司 | Cast-in-place pile concrete interface monitoring device and monitoring method |
| CN115046670A (en) * | 2022-07-28 | 2022-09-13 | 北京新桥技术发展有限公司 | Mobile equipment for monitoring pouring process of cast-in-place pile |
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| CN109972672B (en) | 2020-10-30 |
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Granted publication date: 20201030 Termination date: 20210429 |