CN201344794Y - Underwater pouring concrete guide pipe embedment depth display instrument - Google Patents
Underwater pouring concrete guide pipe embedment depth display instrument Download PDFInfo
- Publication number
- CN201344794Y CN201344794Y CNU2009200790885U CN200920079088U CN201344794Y CN 201344794 Y CN201344794 Y CN 201344794Y CN U2009200790885 U CNU2009200790885 U CN U2009200790885U CN 200920079088 U CN200920079088 U CN 200920079088U CN 201344794 Y CN201344794 Y CN 201344794Y
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- concrete
- conduit
- guide pipe
- display instrument
- underwater
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Abstract
The utility model relates to an underwater pouring concrete guide pipe embedment depth display instrument, which belongs to instruments for the construction control of underwater concrete pile foundation and other pouring projects. A pressure sensor is connected with a ground display instrument through a guide wire, and the underwater pouring concrete guide pipe embedment depth display instrument is further provided with an underwater pouring construction pressure sensing device; a compressed plate is obliquely arranged in a sealing cover through a spring, the upper end thereof is articulated with the sealing cover through a rotary shaft, the sealing cover with a front opening and a back opening is fixed on a concrete pouring guide pipe; and the pressure sensor is arranged on the bottom surface of the compressed plate. The underwater pouring concrete guide pipe embedment depth display instrument has the advantages of small volume, light weight, low cost and convenient use, and the underwater pouring concrete guide pipe embedment depth display instrument can accurately position the ideal embedment depth of the concrete pouring guide pipe, lift the guide pipe high as far as possible while ensuring that the guide pipe is not separated from the surface which is poured by concrete all the time, and further effectively ensure the construction quality.
Description
Technical field
The utility model relates to the Construction of Civil Engineering utensil, particularly concrete pile foundation etc. is under water built the instrument that carries out Construction control in the engineering.
Background technology
In the construction of civil engineering work, regular meeting relates to the construction of underwater casting concrete, as dam, and the pile foundation in the bridge, dashing in the building construction, borehole pile foundation etc.The method of traditional underwater casting concrete is: the conduit that will build concrete places under water, in the substrate certain height, the concrete of building from top to bottom is squeezed to substrate along the conduit draining, makes to build conduit and be sealed in the concrete that has watered, and follow-up concrete then upwards turns over building of rising by substrate.When the concrete of building when draining rises to certain height from the bottom to top, because the pressure of concrete in the conduit can not upwards turn over the concrete that has watered in the basis when rising again, then need upwards promote conduit this moment to certain height, make concrete can continue to build.Promoting conduit and where arrive, is a critical technical work, and it must guarantee following requirement.
When promoting duct height, must guarantee that conduit must not be lifted out the end face that has watered concrete, improve as much as possible again simultaneously.This be because: proposed to water the face of concrete as conduit, the water around the conduit then will enter in the conduit by self pressure, makes follow-up concrete produce segregation and can't build.Build as draining again, will occur interlayer or broken pile here, this is objectionable.Therefore, building in the process of whole concrete under water, the conduit that all requires concrete to build from start to finish must be embedded in the concrete, and the impurity such as grout in the basis must not be entered in the conduit.
In satisfying the underwater casting concrete, conduit does not leave when having watered the concrete face all the time, carries conduit higher as best one can again, this be because: the one, can strengthen the pressure and conduit pressure differential outward of building in the conduit fully, make follow-up concrete under water of building more smooth, also be difficult for the resistance pipe.The 2nd, when building concrete under water, every lifting one-time-concreting conduit all is the work of a risky property, as can both rise to best position at every turn, then can reduce the lifting number of times of building on whole basis, thus degree of reducing risks.The 3rd, when building the concrete construction under water; it is a continuous process; must not interrupt midway; if it is bigger to run into side's amount of building; sometimes the operation of wanting continuous a couple of days not stop; and promote conduit at every turn; the dismounting conduit is again a very loaded down with trivial details job; should increase working strength of workers, employ other machinery again too much, therefore can reduce the lifting number of times of conduit as far as possible; build the time for shortening; reduce continuous, the tired time of constructing of workman, reduce the use of other Aided Machine, very positive effect is all arranged.
How to guarantee cannot see and the construction of impalpable underwater casting concrete in, the conduit of building concrete guarantees not propose to have built all the time the face of concrete, can guarantee simultaneously to reach the height of the best again, thereby stop to build the failure of concrete under water, reduce the number of times that changes conduit, reduce risks, save time, reduce cost, and easy and simple to handle? problem that the design's instrument will solve that Here it is.
1, tradition promotes the control method of conduit
The control method that traditional underwater casting concrete promotes conduit is: when the concrete of underwater casting during to certain altitude, concrete occurs and built to go down, or Theoretical Calculation need promote conduit, just begin lifting this moment.But what improve? the one, according to the calculating of theory; The 2nd, decide according to the actual measurement at scene.
The method of Theoretical Calculation is: according to building in each conductive pipe into the concretes of how many side's amounts, again according to the physical dimension of the stake bore dia that will build or pit foundation etc., calculate the concrete under water of having built have how high, thereby calculate the height that this need promote conduit.
The method of field measurement is: when the concrete conduit is built in appearance needs raising noted earlier, build under water on the operation platform of concrete, at any time will fasten the tape of plumb bob by the workman, fall in the datum hole or foundation ditch of the concrete under water of building, recording the apical side height that waters concrete, thereby calculate the height that needs to promote conduit.
2, the problem of classic method existence:
The subject matter that Theoretical Calculation exists.Theoretical Calculation depends on: the one, and calculate the side's amount that pours into concrete and want accurately; The 2nd, the physical dimension of the datum hole that build, foundation ditch etc. is wanted rule.And in the construction of reality, these two all are difficult to reach.
Build in the process at concrete continuously, the one jar of concrete that whenever stirs, a car concrete that whenever transports all is differentiated.Because continuous placing is often long because of the time, is subjected to the influence of factors such as weather, environment also big, the concrete that carry front and back also has difference.Therefore, the concrete side amount that pours into of Theoretical Calculation can only be a general number.
At the pile foundation pore-forming, or other foundation ditch often also can not make physical dimension rule very when being shaped, and particularly to the datum hole that do not have the retaining wall follow-up or the shaping of foundation ditch, its physical dimension is complicated and changeable especially.Therefore, to calculating the actual volume of datum hole or foundation ditch, theoretical computational data also exists certain difference with the data of reality, and is also very big sometimes.Thereby the end face height that waters concrete under water that causes that Theoretical Calculation comes out is big approximate number just also.
In the calculating of theory, also having a numeral in addition is to calculate to be forbidden, and that is exactly how many remaining concretes of building in the conduit is.Because in the construction of reality, the conduit of building top, often with leak head and link to each other, other method general all of no use removes to survey the height of the remaining concrete in the conduit, also just can only be an estimative figure for the residual volume of building in the conduit, or just not calculate it at all.
Owing to have above three subject matters in the Theoretical Calculation, thereby cause in the construction of the underwater casting concrete of reality, each calculating reference point that promotes duct height all is general data, thereby cause in the construction of reality conduit to promote and to arrive best position, even more serious is to occur building conduit sometimes and pull away out the situation of watering the concrete end face.
The subject matter that the field measurement method exists: field measurement mainly is by manually finishing, and except people's sense of responsibility, skillfully operates outside the influence factors such as degree of fathom, mainly has following problem.The one, in the submerged structure of building, the hole of formed thereby or foundation ditch generally can be very not big, and it is often very dark, what have reaches tens meters, here face usually is the object that has been covered with reinforcing bar and access tube and so on, and the concrete conduit is also the end of through in addition, thereby there is bigger influence in the plumb bob of transferring fathom, be obstructed in case transfer in the process, then often directly influence the accuracy of measuring.The 2nd, in transferring the plumb bob of fathom, when real arrival the end face of new poured concrete, this also is a technical profession with feel, after the concrete that cause is newly watered down, also be a liquid body, have slightly and do not note, plumb bob just might be trapped in the concrete, thereby causes the data measured inaccurate.The 3rd, owing in the construction of building concrete under water, be a dynamic process, measure the apical side height of new poured concrete, must in the process that stops to build, carry out, after measuring, also need could determine as calculated the height of its tube drawing.Because this is to build a very crucial job of concrete under water, and is indispensable.Thereby to one-piece casting under water the construction speed of concrete be that very big influence is arranged.The 4th and since the construction operation platform of building concrete under water very crowded, narrow and small, personnel are many, machine is assorted, the scene is muddy, slippery, tightly be the foundation ditch of tens meters to tens meters filled with water and concrete again along platform edges, very dangerous.Chi falls among the foundation ditch and the fathom personnel will will restrict at any time, promptly site operation is disturbed, and be again the primary location that security incident usually takes place.Owing to have above 4 subject matters in the field measurement method, thereby cause the also firmly past problems such as inaccurate, interference construction, increase potential safety hazard that occur in the operation of reality.
The utility model content
The purpose of this utility model provides a kind of underwater casting concrete conduit buried depth display instrument, with when promoting duct height, must guarantee that conduit must not be lifted out the end face that has watered concrete, improves as much as possible again simultaneously.
This novel purpose is achieved in that a kind of underwater casting concrete conduit buried depth display instrument, pressure transducer is connected with the ground display instrument through lead, also have underwater casting operation pressure sensing device: compression plate is arranged in the seal closure through spring obliquely, and its upper end is hinged through rotating shaft and seal closure, and the seal closure of front and back opening is fixed on concrete and builds on the conduit; Pressure transducer is arranged on the compression plate bottom surface.
In view of the existing problem of method of above tradition lifting conduit, troubling the construction operation of underwater casting concrete for a long time always, make to occur broken pile, tomography in the construction, the situation of constriction, useless stake happens occasionally.In case these problems occur, dealing with is the thing of having a headache very much, not only will increase the investment of underwater construction widely, prolongs the time of underwater operation, sometimes can not finish a low water season, then will wait until and all build the construction operation platform more again and construct again next low water season.What also have also exists because of handling the situation of changing design or being shifted construction again.
Because the underwater casting concrete is constructed often tens meters to tens meters under water, that it is investigated reaches more than hundred meters.And the end face of underwater casting concrete is a dynamic process, promptly cannot see, can not touch again, and traditional method wastes time and energy, disturb big, invest dangerously greatly again, and can only obtain the altitude information that waters concrete of an estimation, often therefore cause great construction quality accident.Is there what way to solve the problem of these existence better? problem to be solved that Here it is " underwater casting concrete conduit buried depth display instrument (hereinafter to be referred as the dark instrument of pipe) ".
This novel beneficial effect is:
1, the instrument volume is little, in light weight, cost is low;
2, simple to operate, easy to use, durable in use, be convenient to safeguard;
3, can accurately locate the desirable buried depth that concrete is built conduit, conduit does not leave when having built the concrete face all the time, can promote conduit higher again as far as possible, thereby guarantees construction quality, shortens the engineering time, reduces risk, reduces investment outlay.
To in the part of embodiment, be further elaborated beneficial effect of the present invention.
Description of drawings
Fig. 1 is this novel structural representation;
Fig. 2 Fig. 3 Fig. 4 Fig. 5 be respectively this novel manage, build under first under water concrete in foundation ditch, tube drawing process, tube drawing to workflow situation synoptic diagram such as ideal heights;
Fig. 6 is the position view that is provided with of the dark instrument of this novel pipe.
Embodiment
Fig. 1 illustrates, pressure transducer 5 is connected with ground display instrument 7 through lead 6, also have underwater casting concrete operation pressure sensing device: compression plate 3 is arranged in the seal closure obliquely through spring, and its upper end is hinged through rotating shaft 4 and seal closure 2, and the seal closure of front and back opening is fixed on concrete and builds on the conduit 1; Pressure transducer 5 is arranged on compression plate 3 bottom surfaces.
Manage dark instrument and be one and adhere to and be installed in the supravasal little instrument of underwater casting concrete, its work principle is main according to two mechanism; The one, there is bigger difference according to the proportion of water and the proportion of liquid concrete, be set at P (P=P
Concrete(pressure of concrete)-P
Water(pressure of water)), thus the interface of concrete and water shown; The 2nd, according to when pulling out the concrete conduit, acting on the friction pressure on the dark instrument compression plate of pipe surface, bigger difference is arranged in the liquid concrete and in water last, its difference is set at F (F=F
Concrete(friction force in the concrete)-F
Water(friction force in the water)).Thereby determine the apical side height of new poured concrete.
1, the structural map of the dark instrument of pipe and the function of critical piece:
Manage dark instrument structure as Fig. 1.
Compression plate 3: key reaction is because of water and the concrete situation of the pressure differential P between the homoplasmon not, and in the process of tube drawing upwards, the friction pressure difference F that concrete and water are produced on compression plate rotates along rotating shaft thereby promote compression plate, makes self generation mechanical shift.In order to reflect the interface of new poured concrete and water.
Pressure transducer (prior art): mainly with the variation of the mechanical shift of compression plate, be converted into the variation of electric current, along lead 6 with information transmission to the ground display instrument.
Ground display instrument 7 (genus prior art): electric current change information under water is converted into electric bell sound, red led and data, gives the instruction that stops to pull out conduit in ground.Also can directly information function be promoted the windlass of conduit in braking, thereby stop tube drawing work automatically.
Seal closure 2: soft by matter, sealing, the material of rub resistance characteristic mainly is that the dark instrument of obstructing tube outer water and impurity enter instrument internal, guarantees the flexible motion of compression plate simultaneously.
Rotating shaft 4: mainly be to allow the compression plate can be when being subjected to external force P and F along self freely activity of rotation.
Spring is (not shown, can extension spring or the stage clip mode be fixed between seal closure and the compression plate): mainly be when making compression plate in water, can make it be in the stretching degree of the limit: and pull out when promoting conduit last, in making a concerted effort down of P and F, can be compressed to the limit degree of minimum.If the tension force of spring is G.
Concrete is built conduit 1: seal closure is fixed on it.
2. manage dark instrument workflow situation explanation (among Fig. 2～Fig. 6, as shown in Figure 5,8, (in the foundation ditch) concrete; 9, (in the foundation ditch) water; 10, manage dark instrument (seal closure of the present utility model and pressing plate etc. are parts under water).
The first situation of pipe down: as Fig. 2
Concrete is built the height that arrives construction requirement under the conduit, and datum hole or foundation ditch etc. do not have concrete at this moment, and Quan Weishui, compression plate only are subjected to the pressure P of water
WaterP=O-P
Water=-P
WaterBecause the tension force G of spring is greater than water pressure P
Water, then compression plate is in the stretching degree of the limit.Ground display instrument indication red light is bright, and electric bell also can ring bell switch as opening then.Whether this situation can be used for the dark instrument of testing tube in running order.After all are normal, bell switch can be closed, enter next step program.
Build under water concrete in foundation ditch: as Fig. 3
When the concrete end face that newly pours into flooded the dark instrument of pipe, compression plate began to be subjected to the measuring pressure P of concrete
Concrete, along with the increase of liquid concrete, the rising of concrete end face and P value also strengthen thereupon, press compression plate, promote pressure transducer, change electric current, and information is passed the display instrument that causes ground, and pilot lamp goes out, and can open bell switch this moment, and electric bell can not ring; Displaying Meter will change with the variation of electric current, and is labeled as the height that waters concrete.When concrete was built to go down under water, this moment, P value be a maximum, but the F value still is zero.
Tube drawing process: as Fig. 4
In building the process of concrete, the pressure in concrete is built conduit is not enough to overcome the friction force in the conduit, and conduit has just arrived the process that tube drawing promotes this moment when having watered making a concerted effort of concrete pressure outward.In the process of tube drawing, watered concrete and will produce friction of motion resistance, F pressing plate
Concrete, compression plate is compressed once more.This moment, the red light of ground display instrument did not work, and the instrument designation data responds.P value and F value all reach maximal value.Compression plate is in limit compressive state.
Tube drawing arrives ideal height: as Fig. 5
During to the desirable buried depth of new poured concrete end face, manage dark instrument and just leave the concrete end face that newly waters at the bottom of the conduit end opening of building concrete when tube drawing, two the power P and the F that act on this moment on the dark instrument compression plate of pipe are released to P simultaneously
WaterWith F
Water, change the variation of electric current, and reach chart display.This moment the warning lamp blinking red lamp, the electric bell sound of movement also can act on a volume machine and quit work, Queues ends the tube drawing process automatically.
Restart building of new round concrete, the above process that circulates is all built work up to what finish concrete under water.
Manage the position that is provided with of dark instrument: as Fig. 6, seal closure 2 is fixed on concrete and builds height on the conduit 1 and equal the slump height of concrete in the engineering and the sum of the two that concrete is built conduit 1 ground display instrument 7 after reactions institute respective heights when promoting.
The position that is provided with of managing dark instrument is meant: the distance H of managing dark instrument and underwater casting concrete conduit bottom.It is mainly determined by two factors; The one, the desirable buried depth h1 of conduit in new poured concrete.The 2nd, manage P in the dark instrument
ConcreteWith F
ConcreteAfter the release, after reaction height h2 during the lifting of conduit in people and the mechanical braking process.Then total being provided with highly is H=h1+h2, and wherein h1 is provided with highly and voluntarily according to the slump of concrete in the engineering.
This design concept of managing dark instrument is to be based upon: the operation that adapts to the practice of construction scene is set out.Put forth effort on that to study climate change in the open air big, the working-yard complexity, the place is narrow and small, the rugged surroundings that mire etc. are complicated.Guarantee that this manages the simple to operate of dark instrument, flexibility and reliability, member is firm, and is durable in use, and structure is simple and clear, is convenient to setting easy to maintenance, cleaning, collection etc.Under this theory, this manages the components and parts commonly used that dark instrument only relates to mechanical motion principle and wired electricity, thereby the clear Zhe of workflow, and is simple and clear.The instrument volume is little, and is in light weight, and the feature of environmental protection is good, and cost is low.
At present and even from now on, in the civil engineering work at home and abroad, the situation that relates to the underwater casting concrete is a lot, build under water in the construction of concrete,, can not touch and can only rely on its traditional method to grasp often because of cannot see, compare more apparent complexity and heavy in hand with other operation in the civil engineering.But often it is again the element task in the whole engineering, and shows important especially.In the construction of civil engineering work, usually be difficult to accurately to determine the construction period, toward also being this some firmly.Simultaneously, its costs of other structures such as concrete stake, wall or the basis of underwater casting are often very big, and the concrete stake of a underwater casting is generally all at hundreds of thousands, millions of also has, and wants up to ten million or several ten million have and the concrete that other a large-scale underwater casting concrete and a clump of piles are built has.This is for a dark instrument of slight pipe, has only several thousand yuan instrument, these structures are built in the construction of concrete under water, can accurately locate the desirable buried depth of building conduit, reduce difficulty of construction, avoid calculating, thereby positive assurance construction quality, shorten the engineering time, reduce various risks, save investment and all have fairly obvious effect.Therefore, can estimate that this manages dark instrument as once appearance, will play a meagre contribution to the progress that promotes world's engineering.With regard to the economic benefit that this instrument can bring, current, so that all be very considerable from now on.
Claims (2)
1, a kind of underwater casting concrete conduit buried depth display instrument, comprise, pressure transducer (5), the ground display instrument (7) that is connected with pressure transducer (5) through lead (6), it is characterized in that: also have underwater casting concrete operation pressure sensing device: compression plate (3) is arranged in the seal closure through spring obliquely, its upper end is hinged through rotating shaft (4) and seal closure (2), and the seal closure of front and back opening is fixed on concrete and builds on the conduit (1); Described reversible transducer (5) is arranged on compression plate (3) bottom surface.
2, according to the described underwater casting concrete of claim 1 conduit buried depth display instrument, it is characterized in that: described seal closure (2) is fixed on concrete and builds height on the conduit (1) and equal the slump height of concrete in the engineering and the sum of the two that concrete is built conduit (1) ground display instrument (7) after reaction institute respective heights when promoting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200790885U CN201344794Y (en) | 2009-02-18 | 2009-02-18 | Underwater pouring concrete guide pipe embedment depth display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200790885U CN201344794Y (en) | 2009-02-18 | 2009-02-18 | Underwater pouring concrete guide pipe embedment depth display instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344794Y true CN201344794Y (en) | 2009-11-11 |
Family
ID=41276374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200790885U Expired - Fee Related CN201344794Y (en) | 2009-02-18 | 2009-02-18 | Underwater pouring concrete guide pipe embedment depth display instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344794Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013268A (en) * | 2016-06-21 | 2016-10-12 | 中国十七冶集团有限公司 | Depth tester for guide pipe in underwater concreting |
| CN111554075A (en) * | 2020-05-11 | 2020-08-18 | 广东创成建设监理咨询有限公司 | Pipe drawing depth estimation method in concrete pouring based on artificial intelligence video analysis |
| CN111626151A (en) * | 2020-05-11 | 2020-09-04 | 广东创成建设监理咨询有限公司 | Method for detecting illegal pouring object in concrete pouring based on artificial intelligence video analysis |
-
2009
- 2009-02-18 CN CNU2009200790885U patent/CN201344794Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013268A (en) * | 2016-06-21 | 2016-10-12 | 中国十七冶集团有限公司 | Depth tester for guide pipe in underwater concreting |
| CN111554075A (en) * | 2020-05-11 | 2020-08-18 | 广东创成建设监理咨询有限公司 | Pipe drawing depth estimation method in concrete pouring based on artificial intelligence video analysis |
| CN111626151A (en) * | 2020-05-11 | 2020-09-04 | 广东创成建设监理咨询有限公司 | Method for detecting illegal pouring object in concrete pouring based on artificial intelligence video analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20120218 |