CN204645052U - A kind of concrete that controls surpasses the device of filling with height - Google Patents
A kind of concrete that controls surpasses the device of filling with height Download PDFInfo
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- CN204645052U CN204645052U CN201520015884.8U CN201520015884U CN204645052U CN 204645052 U CN204645052 U CN 204645052U CN 201520015884 U CN201520015884 U CN 201520015884U CN 204645052 U CN204645052 U CN 204645052U
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Abstract
Control concrete and surpass a device of filling with height, mainly solve in prior art and accurately cannot control the super filling height of concrete, affect the problem of construction cost and quality.The utility model mainly utilizes the characteristic that there is greater density difference between concrete and slurry coat method, the pressure sensitive value utilizing pressure sensor to measure concrete to produce at diverse location, and influence value is sent to Portable data acquisition instrument analysis, thus determine the position in filling concrete face, control influx height.It comprises fixed bar, pressure sensor and Portable data acquisition instrument, and fixed bar is scalable, and its upper end is provided with retainer ring, and fixed bar upper end is also provided with Position Scale, and fixed bar lower end is provided with for clamping fixed card slot; Pressure sensor is fixedly installed on fixed bar by geometrical clamp, and pressure sensitive value is sent to Portable data acquisition instrument by data wire by pressure sensor.
Description
Technical field
The utility model relates to a kind of concrete that controls and surpasses the device of filling with height, belongs to technical field of building construction.
Background technology
When bored pile filling concrete, its pile crown quality is the controlling difficulties of cast-in-place concrete pile technology.In prior art, because pile crown pouring quality is not easy to control, in filling concrete work progress, pile crown is super fills with highly generally higher, not only cause unnecessary waste, and cut work and bring great difficulty to postorder pile crown, considerably increase engineering cost.At present, the super height control method of filling with of the concrete generally adopted in the industry has plummet method and volume method of estimating cost, in real operation, these two kinds of modes easily make field technician cause erroneous judgement, therefore be difficult to measure excess of export exactly and fill with height, often cause pile crown to owe to fill with or super filling excessive height, thus affect engineering construction quality and cost.
Utility model content
For cannot accurately control in prior art, concrete is super fills with height, affects the problem of construction cost and quality, and the purpose of this utility model is to provide a kind of concrete that controls to surpass the device and using method of filling with height.Control concrete of the present utility model surpasses the device of filling with height, with the convenience applied in engineering construction and ease for operation for starting point, can solve the difficult problem accurately judging concrete surface influx height, thus effectively improve construction quality.
The technical scheme in the invention for solving the technical problem is:
Control concrete and surpass a device of filling with height, it is characterized in that, comprise fixed bar, pressure sensor and Portable data acquisition instrument,
Described fixed bar, comprising top and bottom is respectively for the retainer ring of fixed placement with for clamping fixing draw-in groove with reinforcing cage muscle of putting more energy into, described retainer ring place is provided with the Position Scale for determining described sensor depth position, the reset of described Position Scale is in the lower end of fixed bar, and described zero point place be fixed with a pressure sensor, the sensitive surface of described pressure sensor is concordant with the horizontal plane at place at zero point;
The signal output port of described pressure sensor is connected to the signal input port of a Portable data acquisition instrument by data wire.
Described pressure sensor utilizes geometrical clamp to be fixedly installed on described fixed bar, the figure-eight knot structure that described geometrical clamp is made up of the clamp of two panels symmetry, described geometrical clamp, for the clamp of two panels symmetry, described clamp comprises the fixed part of the first clamping part of arc, the second clamping part of arc and two clamping part outer ends and junction, described fixed part is provided with fixing hole, and described two panels clamp, to putting together, can form similar figure-eight knot structure.
Described fixed bar length can change, and is telescopic or more piece pin-connected panel.
Described draw-in groove is surrounded by the two panels clamp be vertically set on described fixed bar, described two panels clamp is provided with coaxial through-hole, is inserted with plug in described through hole, described plug is provided with plug stay cord.
Described draw-in groove is arranged on described fixed bar lower end, and the fork configuration that prong is downward.
Described draw-in groove is the part being fixed on a hook on described fixed bar.
Described pressure sensor is vibrating wire pressure sensor, and is coated with the housing for protecting.
A radome fairing is provided with in the outside of described pressure sensor.
The beneficial effects of the utility model are: by the Combination application of pressure sensing instrument, Portable data acquisition instrument device and instrument device for positioning and securing, in filling concrete work progress, utilize the delta data size gathering measuring surface position pressure stresses, thus accurately judge concrete surface influx height, solve the inaccurate difficult problem with affecting construction quality, cost of cast-in-place pile concrete planar survey.
Accompanying drawing explanation
Fig. 1 is the construction schematic diagram that control concrete of the present utility model surpasses the device of filling with height;
Fig. 2 is the structural representation of fixed bar in the utility model;
Fig. 3 is the structural representation of induction installation geometrical clamp in the utility model;
Fig. 4 is the structural representation of pressure inductor in the utility model;
Fig. 5 is the one distortion of the present embodiment.
In figure: 1 perfusion cannula, 2 reinforcing cages, 21 put more energy into muscle, 3 fixed bars, 31 data wires, 32 plug stay cords, 321 plugs, 33 pressure inductors, 331 housings, 332 pressure sensitive bodies, 333 condensation of water vapor, 34 geometrical clamps, 341 first clamping parts, 342 second clamping parts, 343 fixed parts, 35 clamps, 351 draw-in grooves, 36 retainer rings, 37 hooks, 4 hole walls, 5 Portable data acquisition instruments, 6 steel rods, 7 radome fairings, H
1stake holes height, H
2super filling height.
A place is construction terrace absolute altitude;
B place is for controlling concrete face:
C place is design stake heights of roofs;
D is starting point at zero point.
Detailed description of the invention
As shown in Figures 1 to 4, control concrete of the present utility model surpasses the device of filling with height, comprise fixed bar 3, pressure sensor 33 and Portable data acquisition instrument 5, it mainly utilizes the characteristic that there is greater density difference between concrete and slurry coat method, the pressure sensitive value utilizing pressure sensor 33 to measure concrete to produce at diverse location, and influence value is sent to Portable data acquisition instrument 5 and analyzes, thus determine the position in filling concrete face, control influx height.Fixed bar 3 is extension type rod member, its upper end is provided with the retainer ring 36 for being fixed in an orifice end, and fixed bar 3 upper end is also provided with the Position Scale being convenient to determine pressure sensor 33 depth location, fixed bar 3 lower end is provided with for clamping the draw-in groove 351 being fixed on and putting more energy on muscle 21; Pressure sensor 33 is fixedly installed on fixed bar 3 by geometrical clamp 34, and pressure sensitive value is sent to Portable data acquisition instrument 5 by data wire 31 by pressure sensor 33.
Below in conjunction with specific embodiment, concrete structure of the present utility model is described in detail.
As depicted in figs. 1 and 2, fixed bar 3 is extension type rod member, and in a particular embodiment, its concrete structure is similar to telescopic fish pole, and its structure is scalable, can be convenient for carrying in actual use.Certainly, fixed bar 3 also can be designed to more piece pattern, is threaded connection and connects between different joints.
The upper end of fixed bar 3 is provided with several retainer rings 36, retainer ring 36 is square (can certainly be arranged to circular grade for other shapes) preferably, the steel pipe 6 utilizing length to be greater than stake holes diameter penetrates retainer ring 36, fixed bar 3 can be fixed on an orifice end, prevent fixed bar 3 from falling into bottom stake holes, realize the fixing of upper end.
The lower end of fixed bar 3 is provided with draw-in groove 351, utilizes draw-in groove 351 fixed bar 3 lower end clamping can be fixedly installed on putting more energy on muscle 21 of reinforcing cage 2.In concrete enforcement, the preferred embodiment of draw-in groove 351 is, surrounded by the two panels clamp 35 being arranged on fixed bar 3 lower end, two panels clamp 35 is vertically set on fixed bar 3, two panels clamp 35 is provided with coaxial through hole, plug 321 is provided with in through hole, plug 321 can prevent fixed bar 3 in filling concrete process from departing from muscle 21 of putting more energy into, plug 321 is connected with plug stay cord 32, after concrete casting completes, pull plug stay cord 32, plug 321 and draw-in groove 351 depart from, and can conveniently be extracted out by fixed bar 3.
Certainly, draw-in groove 351 also can be the fork configuration being arranged on fixed bar 3 lower end, and prong is downward, directly can be stuck in by draw-in groove 351 and put more energy on muscle 21, be fixedly installed by fixed bar 3 during use.
As shown in Figure 5, pressure sensor 33 comprises housing 331, pressure sensitive body 332 and pressure sensitive cavity 333.Pressure sensor 33 is vibrating wire pressure sensor, vibrating wire pressure sensor is using the string wire of tensioning (the pressure sensitive body 332 shown in similar figure) as sensing element, the eigentone of string wire is relevant with its tension force, for the string wire of a given length, by under the effect of measuring pressure, there is change in string wire tightness, intrinsic vibration frequency also changes thereupon, and namely the vibration frequency of vibratory string has been reacted by the size of measuring pressure.
In specific embodiment, pressure sensor 33 carries out sealing by shell 331 and arranges, and prevent the liquid such as mud from hanging foreign material and enter, impact uses; After concrete reaches influx height, for ease of being pulled out from concrete by pressure sensor 33, its profile is arranged to big top and small bottom, the structure of approximate circle cone-shaped.When specifically using, the pressure sensitive body 331 of pressure sensor 33 down, after pressure sensor 33 is flooded by concrete, the sensitive surface of pressure sensitive body 332 will be subject to from concrete pressure, and produce distortion, deformation is sent to Portable data acquisition instrument 5 by data wire 31 and analyzes, and is calculated and transforms, be shown as pressure value by data collecting instrument.
The utility model mainly utilizes the characteristic that there is greater density difference between concrete and slurry coat method, the force value of certain altitude concrete generation is measured by pressure sensor 33, then be transferred to Portable data acquisition instrument 5 by data wire 31 to analyze, compared by assay value and setting value, and warned by alarm lamp and determine concrete influx height, for this reason, pressure sensor 33 needs to be fixed on position certain in stake holes.
As shown in Figure 2, pressure sensor 33 utilizes geometrical clamp 34 to be fixedly installed on fixed bar 3, and the signal output port of described pressure sensor 33 is connected to the signal input port of a Portable data acquisition instrument 5 by data wire.As shown in Figure 4, in a particular embodiment, geometrical clamp 34 comprises the clamp of two panels symmetry, every sheet clamp is provided with the first clamping part 341 and the second clamping part 342 of arc, be respectively arranged with a fixed part 343 in two clamping part outer ends and their junction, fixed part 343 is provided with fixing hole.By two panels clamp to putting together, and both are connected and fixed through fixing hole with bolt, similar figure-eight knot structure can be formed, pressure sensor 33 and fixed bar 3 are between two panels first clamping part 341 and two panels second clamping part 342 respectively, thus are fixedly installed on fixed bar 3 by pressure sensor 33.
One as the present embodiment is out of shape, and as shown in Figure 5, fix a radome fairing in the periphery of pressure sensor 33, radome fairing 7 is cover bodies of arc, can alleviate in the process of extracting fixed bar after having built out to pressure sensor destruction.
One as the present embodiment is out of shape, and as shown in Figure 5, described draw-in groove 351 is the parts being fixed on a hook 37 on described fixed bar 3, hook is fixed on fixed bar 3, and hook can catch on reinforcing cage from bottom to top, after building, can break off relations easily, operate more convenient.
The data detected due to pressure sensor 33 are main relevant with concrete height more than its pressure sensitive body 331 detection faces, therefore, need the position height determining pressure sensor 33.
In a particular embodiment, for ease of determining the position of pressure sensor 33, fixed bar 3 upper end is provided with Position Scale (in the present embodiment, scale spacing is 100mm, other scale spacing can certainly be set according to actual needs), and fixed bar 3 bottom is provided with zero point, when pressure sensor 33 is installed fixing, the detection faces of pressure sensitive body 331 was alignd with zero point, when fixed bar 3 to be placed into reinforcing cage 2 fixing in stake holes after, utilize Position Scale can determine the relative position height of pressure sensor 33 relative to " construction terrace absolute altitude ".
The use step that control concrete of the present utility model surpasses the device of filling with height is as follows:
The first step, measures concrete density ε
1with mud density ε
0, according to the concrete mix of different intensity grades, measure corresponding concrete density ε
1, and with the density ε of mud in Instrument measuring boring
0.Meanwhile, adopt geometrical clamp to be fixed on by pressure sensor on the fixed bar with scale of depth, and pressure sensor is accurately arranged on the desired depth place of stake holes.
Second step, the rational change range of setting Portable data acquisition instrument 5 image data.The above certain limit in theory calculate pressure sensor 33 position replaces the pressure range of pressure sensor 33 in sludge process, by formula P=(ε by concrete
1-ε
0) the theoretical test value of GH calculation pressure sensor, thus determine that Portable data acquisition instrument display data warning excursion is P value (the i.e. P of 1 to 1.1 times
0~ P
1scope), and incorporation engineering example measured data determines that Portable data acquisition instrument 5 shows the excursion of data.
3rd step, in concrete casting process, when the display data of Portable data acquisition instrument 5 exceed setting excursion, stops perfusion; Then, pull latch stay cord 32, fixed bar 3 is taken out together with pressure sensor 33.
Below in conjunction with accompanying drawing, above-mentioned use step is described in detail.
In concrete operation, owing to there is a large amount of mud in stake holes, when especially putting into reinforcing cage, a large amount of mud can overflow from stake orifice end.Therefore, in concrete installation process, what first utilized fixed bar 3 lower end draw-in groove 351 and plug 321 to be fixed on reinforcing cage 2 puts more energy on muscle 21, then, fixed bar 3 is placed in stake holes together along with reinforcing cage 2, thus pressure sensor 33 is arranged on position certain in stake holes.
As shown in Figure 1, after pressure sensor 33 is fixedly installed stake holes, first pressure sensor 33 touches mud, the pressure that what pressure sensitive body 331 was subject to is from mud, according to the instruction of Position Scale, the relative altitude of pressure sensor 33 relative to " construction terrace absolute altitude " place can be determined, be defined herein as H
0, according to the mud density ε recorded
0, force value now can be determined, remember that pressure sensitive value is herein P0.
Perfusion cannula 1 is inserted in stake holes, concrete is poured into by perfusion cannula 1, along with concrete continuous perfusion, mud layer is under concrete promotion, along hole wall 4 constantly on move, after pressure sensor 33 is flooded by concrete, the common pressure value that what now pressure sensor 33 detected is from concrete and mud layer, along with the continuous rising of concrete height, the pressure sensitive value that pressure sensor 33 detects constantly changes.
As shown in Figure 1, " design stake top mark is high " is relative to the relative altitude H of " construction terrace absolute altitude "
1can determine from design drawing, the Theoretical Design height that " design stake top mark is high " is concrete pile, in actual filling process, concrete surface some laitance total, pours into for this reason and usually will exceed design height, namely reach the super filling height H shown in figure
2, chisel out the concrete on surface after waiting hardening of concrete again, to " design stake top mark is high ".In practical operation, super filling height H
2need accurately to control, cut the degree of depth to reduce, reduce unnecessary waste, reduce engineering cost.
When concrete height reaches H
2time, now the height of mud layer is (H
1-H
2), according to the concrete density ε recorded
1and mud density ε
0and super filling height H
2, pressure sensitive value P now can be determined
1, when reaching this value, stop concrete perfusion.
Portable data acquisition instrument 5 in technique scheme adopts Mathematical Modeling F=A (f
2-f
0 2)-B (f-f
0), the frequency meter according to measuring calculates required magnitude of physical quantity, and A, B are pressure sensor constant, f
0for frequently (frequency during F=0) just.The operating system arranging adjustment pressure alarm value range is installed separately in Portable data acquisition instrument 5, and adopts indicator lamp mode that is bright or flicker to warn.
The above has made detailed description to preferred embodiment of the present utility model and embodiment by reference to the accompanying drawings; but the utility model is not limited to the above-described embodiment and examples; for those skilled in the art; without departing from the concept of the premise utility; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. control concrete and surpass a device of filling with height, it is characterized in that, comprise fixed bar (3), pressure sensor (33) and Portable data acquisition instrument (5),
Described fixed bar (3), comprising top and bottom is respectively for the retainer ring (36) of fixed placement with for clamping fixing draw-in groove (351) with reinforcing cage muscle (21) of putting more energy into, described retainer ring (36) place is provided with the Position Scale for determining described sensor (33) depth location, the reset of described Position Scale is in the lower end of fixed bar, and described zero point place be fixed with a pressure sensor (33), the sensitive surface of described pressure sensor is concordant with the horizontal plane at place at zero point;
The signal output port of described pressure sensor (33) is connected to the signal input port of a Portable data acquisition instrument (5) by data wire.
2. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, it is characterized in that, described pressure sensor (33) utilizes geometrical clamp (34) to be fixedly installed on described fixed bar (3), the figure-eight knot structure that described geometrical clamp (34) is made up of the clamp of two panels symmetry, described clamp comprises the fixed part (343) of first clamping part (341) of arc, second clamping part (342) of arc and two clamping part outer ends and junction, and (343) are provided with fixing hole to described fixed part.
3. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, and it is characterized in that, described fixed bar (3) length can change, and is telescopic or more piece pin-connected panel.
4. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, it is characterized in that, described draw-in groove (351) is surrounded by the two panels clamp (35) be vertically set on described fixed bar (3), described two panels clamp (35) is provided with coaxial through-hole, be inserted with plug (321) in described through hole, described plug (321) be provided with plug stay cord (32).
5. a kind of concrete that controls according to claim 4 surpasses the device of filling with height, and it is characterized in that, described draw-in groove (351) is arranged on described fixed bar (3) lower end, and the fork configuration that prong is downward.
6. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, it is characterized in that, described draw-in groove (351) is the part being fixed on the upper hook of described fixed bar (3).
7. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, and it is characterized in that, described pressure sensor (33) is vibrating wire pressure sensor, and is coated with the housing (331) for protecting.
8. a kind of concrete that controls according to claim 1 surpasses the device of filling with height, it is characterized in that, is provided with a radome fairing in the outside of described pressure sensor.
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| CN201520015884.8U CN204645052U (en) | 2015-01-09 | 2015-01-09 | A kind of concrete that controls surpasses the device of filling with height |
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| CN105928489A (en) * | 2016-06-14 | 2016-09-07 | 山东大学 | Handheld underwater grouting pile top-surface elevation control early-warning device and method |
| CN106400851A (en) * | 2016-10-15 | 2017-02-15 | 广州中煤江南基础工程公司 | Height detecting system for concrete pouring surface of ultra-deep pile hole |
| CN106677187A (en) * | 2017-02-28 | 2017-05-17 | 山东正元建设工程有限责任公司 | Underwater pouring height control device for cast-in-place pile |
| CN106759537A (en) * | 2016-12-14 | 2017-05-31 | 江苏中海昇物联科技有限公司 | The superfilled monitoring device of bored concrete pile and its application method |
| CN107165202A (en) * | 2017-03-31 | 2017-09-15 | 江苏中海昇物联科技有限公司 | Concrete casting monitors sensor |
| CN108547331A (en) * | 2018-04-25 | 2018-09-18 | 深圳市工勘岩土集团有限公司 | Caisson pile concrete elevation measures and superfilled control method |
| 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 |
| CN110333026A (en) * | 2019-05-30 | 2019-10-15 | 成都尚德铁科智能科技有限公司 | Equidistant fistulae type pressure sensor apparatus for plastic concrete speed-position detection |
| CN110409522A (en) * | 2019-08-08 | 2019-11-05 | 山东启尔信息技术有限公司 | A kind of hidden filling concrete elevation controller and its working method |
| CN110715891A (en) * | 2019-11-20 | 2020-01-21 | 中铁六局集团有限公司 | Concrete gap measuring device and using method thereof |
| CN112255314A (en) * | 2020-11-02 | 2021-01-22 | 西南交通大学 | Concrete conveying guide pipe position measuring device |
| CN112880614A (en) * | 2021-01-18 | 2021-06-01 | 中国建筑第八工程局有限公司 | Method and device for monitoring pouring height of concrete filled steel tubular column |
| CN113216193A (en) * | 2021-05-21 | 2021-08-06 | 潍坊学院 | Device and method for controlling concrete over-filling height of underwater drilling cast-in-place pile |
| CN113482003A (en) * | 2021-05-27 | 2021-10-08 | 中国十七冶集团有限公司 | Device for measuring underwater concrete elevation and use method |
| CN113720290A (en) * | 2021-09-02 | 2021-11-30 | 成都大学 | Method and device for automatically measuring buried depth of conduit |
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| CN105928489A (en) * | 2016-06-14 | 2016-09-07 | 山东大学 | Handheld underwater grouting pile top-surface elevation control early-warning device and method |
| CN105928489B (en) * | 2016-06-14 | 2018-05-25 | 山东大学 | A kind of handheld water bottom fills stake elevation of top surface control prior-warning device and method |
| CN106400851B (en) * | 2016-10-15 | 2019-01-01 | 广州中煤江南基础工程公司 | Super-deep filling concrete face height detecting system |
| CN106400851A (en) * | 2016-10-15 | 2017-02-15 | 广州中煤江南基础工程公司 | Height detecting system for concrete pouring surface of ultra-deep pile hole |
| CN106759537A (en) * | 2016-12-14 | 2017-05-31 | 江苏中海昇物联科技有限公司 | The superfilled monitoring device of bored concrete pile and its application method |
| CN106759537B (en) * | 2016-12-14 | 2019-01-08 | 江苏中海昇物联科技有限公司 | The superfilled monitoring device of bored concrete pile and its application method |
| CN106677187B (en) * | 2017-02-28 | 2019-02-15 | 山东正元建设工程有限责任公司 | A kind of bored concrete pile underwater grouting height controller |
| CN106677187A (en) * | 2017-02-28 | 2017-05-17 | 山东正元建设工程有限责任公司 | Underwater pouring height control device for cast-in-place pile |
| CN107165202A (en) * | 2017-03-31 | 2017-09-15 | 江苏中海昇物联科技有限公司 | Concrete casting monitors sensor |
| CN108547331B (en) * | 2018-04-25 | 2019-12-20 | 深圳市工勘岩土集团有限公司 | Cast-in-place pile concrete elevation measurement and over-grouting control method |
| CN108547331A (en) * | 2018-04-25 | 2018-09-18 | 深圳市工勘岩土集团有限公司 | Caisson pile concrete elevation measures and superfilled control method |
| 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 |
| CN110333026A (en) * | 2019-05-30 | 2019-10-15 | 成都尚德铁科智能科技有限公司 | Equidistant fistulae type pressure sensor apparatus for plastic concrete speed-position detection |
| CN110409522A (en) * | 2019-08-08 | 2019-11-05 | 山东启尔信息技术有限公司 | A kind of hidden filling concrete elevation controller and its working method |
| CN110715891A (en) * | 2019-11-20 | 2020-01-21 | 中铁六局集团有限公司 | Concrete gap measuring device and using method thereof |
| 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 |
| CN112880614A (en) * | 2021-01-18 | 2021-06-01 | 中国建筑第八工程局有限公司 | Method and device for monitoring pouring height of concrete filled steel tubular column |
| CN113216193A (en) * | 2021-05-21 | 2021-08-06 | 潍坊学院 | Device and method for controlling concrete over-filling height of underwater drilling cast-in-place pile |
| CN113482003A (en) * | 2021-05-27 | 2021-10-08 | 中国十七冶集团有限公司 | Device for measuring underwater concrete elevation and use method |
| CN113720290A (en) * | 2021-09-02 | 2021-11-30 | 成都大学 | Method and device for automatically measuring buried depth of conduit |
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