CN116815712A - Basalt fiber concrete face rockfill dam - Google Patents
Basalt fiber concrete face rockfill dam Download PDFInfo
- Publication number
- CN116815712A CN116815712A CN202310844037.1A CN202310844037A CN116815712A CN 116815712 A CN116815712 A CN 116815712A CN 202310844037 A CN202310844037 A CN 202310844037A CN 116815712 A CN116815712 A CN 116815712A
- Authority
- CN
- China
- Prior art keywords
- pipe body
- panel
- basalt fiber
- concrete face
- rockfill dam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 29
- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 239000000243 solution Substances 0.000 claims description 23
- 239000012670 alkaline solution Substances 0.000 claims description 16
- 238000011161 development Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011210 fiber-reinforced concrete Substances 0.000 claims 9
- 230000008859 change Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Revetment (AREA)
Abstract
The invention discloses a basalt fiber concrete panel rock-fill dam which comprises a panel layer, a cushion layer area and a transition area, wherein the panel layer comprises a plurality of panels, and a plurality of display units which are arranged vertically and horizontally are arranged on the panels; the display unit can develop color after the panel is deformed and cracked, so that the display unit is convenient for operators to observe; the display unit comprises a first pipe body and a second pipe body, wherein two ends of the first pipe body are fixedly arranged on the panel, and the second pipe body is arranged to cover the first pipe body; the concrete face rockfill dam comprises a first pipe body, a second pipe body, a basalt fiber concrete face plate, a first color developing unit, a second color developing unit, a third color developing unit, a fourth color developing unit, a fifth color developing unit, a sixth color developing unit, a seventh color developing unit, a sixth color developing unit, a seventh color developing unit and a third color developing unit.
Description
Technical Field
The invention relates to the technical field of concrete faced rockfill dams, in particular to a basalt fiber concrete faced rockfill dam.
Background
Concrete face rockfill dams take rockfill bodies as supporting structures, concrete face plates are poured on the upstream surfaces of the concrete face rockfill dams as seepage-proofing structures, face rockfill dams or face plate dams for short, concrete and basalt fibers are mixed in a certain proportion in the concrete face plates along with the development of technology, so that basalt fiber concrete face plates are produced, the existing basalt fiber concrete face plates are usually produced in a pouring mode, and after the face plates are poured on the surface of a bedding area, the face plates are adhered to each other and the surface of the bedding area, so that the basalt fiber concrete face plates and the bedding area are integrated.
Along with the natural settlement and the increase of service life of the rock-fill dam, cracks are usually generated on the concrete panels, operators need to observe and detect each concrete panel regularly and replace or repair damaged concrete panels, and the operators need to consume a great deal of time and labor when observing the panels, so that the detection efficiency is greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a basalt fiber concrete face rockfill dam.
In order to solve the technical problems, the invention is solved by the following technical scheme: a basalt fiber concrete face rockfill dam comprises a face layer, a cushion layer area and a transition area.
In the above scheme, preferably, the panel layer includes a plurality of panels, and a plurality of display units arranged vertically and horizontally are arranged on the panels;
the display unit can develop color after the panel is deformed and cracked, so that the display unit is convenient for operators to observe;
the display unit comprises a first pipe body and a second pipe body, wherein two ends of the first pipe body are fixedly arranged on the panel, and the second pipe body is arranged to cover the first pipe body;
an alkaline solution is arranged in the first pipe body, a color developing solution is arranged in the second pipe body, and the alkaline solution and the color developing solution are mixed after the first pipe body is broken so that the color of the solution changes.
In the above scheme, preferably, the first pipe body is a glass pipe, metal rods are arranged at two ends of the first pipe body, two ends of the second pipe body are fixedly arranged on the metal rods, and the second pipe body is a flexible pipe.
In the above scheme, preferably, the alkaline solution is sodium hydroxide, the color development solution is phenolphthalein, and the mixed liquid of the alkaline solution and the color development solution is red after the alkaline solution and the color development solution are mixed.
In the above scheme, preferably, the panel is provided with a first bracket and a second bracket, one end of the first pipe body is fixedly arranged on the first bracket through a metal rod, and the other end of the first pipe body is fixedly connected with the second bracket through the metal rod.
In the above scheme, preferably, the first pipe body is a hollow pipe, and the metal rod is provided with fixing holes sleeved with two ends of the first pipe body.
In the above scheme, preferably, the second pipe body is a transparent flexible pipe, two ends of the second pipe body are glued with the outer walls of the metal rods at two ends of the first pipe body, and the chromogenic solution is filled in a gap between the second pipe body and the first pipe body.
In the above scheme, preferably, the metal rod at one end of the first pipe body, which is close to the second bracket, is fixedly connected with the second bracket through a nut, the metal rod penetrates through the second bracket to be arranged, and the nut is fixed on two sides of the second bracket.
In the above aspect, preferably, the first tube body is a transparent glass tube.
In the above scheme, preferably, the first bracket is arranged at the center of the panel, the first bracket and the panel are integrally cast and formed, and the first bracket is provided with a threaded hole matched with the metal rod.
In the above scheme, preferably, the second support is corrosion resistant plate, second support and panel integral type pouring shaping, be equipped with on the second support with metal pole matched with through-hole.
The beneficial effects of the invention are as follows: the concrete face rockfill dam capable of enabling the color development unit to develop color changes after the basalt fiber concrete face plate is found to deform is provided by the invention, so that the face rockfill dam is convenient for operators to observe and find in regular inspection after color development, the crack detection efficiency of the face rockfill dam is improved, the working efficiency is improved, and the labor force is reduced.
Drawings
Fig. 1 is a schematic diagram of a front view structure of the present invention.
FIG. 2 is a top view partially schematic illustration of a panel layer of the present invention.
Fig. 3 is a top view of the panel of the present invention.
FIG. 4 is a schematic cross-sectional view of a panel according to the present invention.
FIG. 5 is a schematic cross-sectional view of a first tube and a second tube according to the present invention.
Fig. 6 is a schematic view of a partial enlarged structure of the present invention at a.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 6, a basalt fiber concrete faced rockfill dam includes a face slab layer 1, a cushion region 2 and a transition region 3, which are conventional structures of the concrete faced rockfill dam, and will not be described in detail herein.
The panel layer 1 comprises a plurality of panels 4, wherein the panels 4 are basalt fiber concrete panels, and are modular plates, namely, the panels 4 are manufactured by mould production according to the same size in the manufacturing process, and then the manufactured panels 4 are spliced and covered on the cushion region 2, and are adhered to the surface of the cushion region 2 by concrete or glue.
The top view of the panel layer 1 is shown in fig. 2, the panel 4 is provided with a plurality of display units which are vertically and horizontally arranged, that is, a plurality of groups of display units can be arranged on the panel 4, and the arrangement of the display units can be horizontally and vertically arranged, so that after a period of time of dam settlement or use is carried out after the panel 4 is installed, the panel 4 is stressed to deform, and the display units display more prominent colors, thereby being convenient for operators to observe and distinguish.
The rock-fill dam is last also can set up multiunit camera and carry out real-time supervision to panel layer 1, after the staff monitored in the control room that display element colour changes, can send operating personnel to the scene and repair in real time or excision is changed, simultaneously, also accessible unmanned aerial vehicle regularly patrol panel layer 1, detect whether the display element on each panel 4 takes place colour change.
The display unit comprises a first pipe body 5 and a second pipe body 6, wherein the first pipe body 5 is a glass pipe, the inside of the first pipe body is hollow, preferably, the glass pipe is transparent glass, an alkaline solution is filled in the hollow part of the glass pipe, the first pipe body 5 is a closed glass pipe initially, and when the glass pipe 5 is broken under stress, the alkaline solution can flow out of the inside of the glass pipe.
The utility model discloses a metal pipe body, including first body 5, second body 6, metal rod 7 is provided with at first body 5 both ends, be equipped with on the metal rod 7 with first body 5 both ends matched with fixed orifices 13, first body 5 passes through mode such as riveting or glue bonding and metal rod 7 fixed connection, second body 6 cladding first body 5 sets up, promptly first body 5 wears to establish second body 6, second body 6 both ends and the metal rod 7 outer wall fixed connection at first body 5 both ends to fix messenger second body 6 through glue and metal rod 7.
The second pipe body 6 is a flexible pipe, the material of the second pipe body 6 is preferably transparent plastic, the second pipe body 6 is filled with a color developing solution, specifically, the color developing solution is filled in a gap between the second pipe body 6 and the outer wall of the first pipe body 5, two ends of the first pipe body 5 are fixed on the panel 4, and when the first pipe body 5 is broken due to deformation of the panel 4, an alkaline solution in the first pipe body 5 can be mixed with the color developing solution in the second pipe body 6 to change the color of the solution, so that judgment is made.
The color development solution is preferably a phenolphthalein reagent, which is colorless transparent liquid, and the alkaline solution can be colorless solution with alkaline pH value such as sodium hydroxide, and the color of the mixed solution changes to red when the alkaline solution is mixed with the phenolphthalein reagent, so that the operator can observe the color conveniently.
The panel 4 is provided with a first bracket 11 and a second bracket 12, the first bracket 11 is fixedly arranged at the center of the panel 4, the first bracket 11 and the panel 4 are integrally formed in pouring, namely, the lower end of the first bracket 11 is fixed on the panel 4, the upper end of the first bracket is higher than the plane of the panel 4 and is used for being fixed with the metal rod 7 of the first pipe body 5, the second bracket 12 is fixed at the outer edge of the panel 4, the fixing mode between the second bracket 12 and the panel 4 is the same as that between the second bracket 11, and the first bracket 11 and the panel 4 are integrally formed in pouring of the panel 4.
The two ends of the first pipe body 5 are fixed with the first bracket 11 and the second bracket 12 through the metal rod 7, specifically, the first bracket 11 is provided with threaded holes matched with the metal rod 7, namely, the outer surface of the metal rod 7 is threaded, the metal rod 7 of the first pipe body 5, which is close to one end of the first bracket 11, is fixed with the threaded holes through the threads, the second bracket 12 is provided with a through hole for the metal rod 7 to pass through, the metal rod 7 of the first pipe body 5, which is close to one end of the second bracket 12, is fixedly connected with the second bracket 12 through a nut, specifically, the metal rod 7 is fixed with the nut after the metal rod 7 passes through the through hole of the second bracket 12, the nut is arranged on two sides of the second bracket 12, and after the metal rod 7 of the first pipe body 5, which is close to one end of the first bracket 11, is fixed with the first bracket 11, is locked through the nut, namely, the fixed length of the first pipe body 5, which is close to the second bracket 12, is in an adjustable state, is carried out between the first pipe body 5 and the second bracket 12 according to the fracture, and the actual length of the first pipe body 11 can be adjusted.
The second bracket 12 is made of stainless steel, and the first bracket 11 can be made of stainless steel or other metal which is not easy to corrode, so that the service life of the panel 4 is prolonged.
The method for using the basalt fiber concrete face rockfill dam comprises the following steps: a plurality of prefabricated basalt fiber concrete panels 4 are piled into a panel layer 1, when the panel layer 1 is used or subsided for a long time, deformation is generated, the first pipe body 5 is fixed on the panel 4, after the panel 4 is deformed to force the first pipe body 5 to be broken, the surface of the panel 4 needs to be repaired or replaced, at the moment, alkaline solution in the broken first pipe body 5 is mixed with color development solution in the second pipe body 6, so that the color is changed, and at the moment, an operator checks the color change of a display unit of the panel 4 through a monitoring camera or an unmanned aerial vehicle camera, so that maintenance personnel are dispatched to repair or replace the panel.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a basalt fiber concrete panel rock-fill dam, includes panel layer (1), bedding area (2) and transition district (3), its characterized in that: the panel layer (1) comprises a plurality of panels (4), and a plurality of display units which are vertically and horizontally arranged are arranged on the panels (4);
the display unit can develop color after the panel (4) is deformed and cracked, so that the display unit is convenient for operators to observe;
the display unit comprises a first pipe body (5) and a second pipe body (6), wherein two ends of the first pipe body (5) are fixedly arranged on the panel (4), and the second pipe body (6) is arranged to cover the first pipe body (5);
an alkaline solution is arranged in the first pipe body (5), a color developing solution is arranged in the second pipe body (6), and the alkaline solution and the color developing solution are mixed after the first pipe body (5) is broken so that the color of the solution is changed.
2. A basalt fiber reinforced concrete face rockfill dam according to claim 1, wherein: the glass tube is arranged on the first tube body (5), metal rods (7) are arranged at two ends of the first tube body (5), the metal rods (7) are fixedly arranged at two ends of the second tube body (6), and the second tube body (6) is a flexible tube.
3. A basalt fiber reinforced concrete face rockfill dam according to claim 2, wherein: the alkaline solution is sodium hydroxide, the color development solution is phenolphthalein, and the mixed liquid of the alkaline solution and the color development solution is red after the alkaline solution and the color development solution are mixed.
4. A basalt fiber reinforced concrete face rockfill dam according to claim 3, wherein: the panel (4) is provided with a first bracket (11) and a second bracket (12), one end of the first pipe body (5) is fixedly arranged on the first bracket (11) through a metal rod (7), and the other end of the first pipe body is fixedly connected with the second bracket (12) through the metal rod (7).
5. A basalt fiber reinforced concrete face rockfill dam according to claim 4, wherein: the first pipe body (5) is a hollow pipe, and the metal rod (7) is provided with fixing holes (13) sleeved with two ends of the first pipe body (5).
6. A basalt fiber reinforced concrete face rockfill dam according to claim 5, wherein: the second pipe body (6) is a transparent flexible pipe, two ends of the second pipe body are glued with the outer walls of the metal rods (7) at two ends of the first pipe body (5), and the chromogenic solution is filled in a gap between the second pipe body (6) and the first pipe body (5).
7. A basalt fiber reinforced concrete face rockfill dam according to claim 6, wherein: the metal rod (7) at one end of the first pipe body (5) close to the second support (12) is fixedly connected with the second support (12) through a nut, the second support (12) is penetrated by the metal rod (7), and the nut is fixed on two sides of the second support (12).
8. A basalt fiber reinforced concrete face rockfill dam according to claim 7, wherein: the first pipe body (5) is a transparent glass pipe.
9. A basalt fiber reinforced concrete face rockfill dam according to claim 8, wherein: the first support (11) is arranged at the center of the panel (4), the first support (11) and the panel (4) are integrally cast and formed, and a threaded hole matched with the metal rod (7) is formed in the first support (11).
10. A basalt fiber reinforced concrete face rockfill dam according to claim 9, wherein: the second support (12) is a stainless steel plate, the second support (12) and the panel (4) are integrally cast and formed, and a through hole matched with the metal rod (7) is formed in the second support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310844037.1A CN116815712B (en) | 2023-07-11 | 2023-07-11 | Basalt fiber concrete face rockfill dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310844037.1A CN116815712B (en) | 2023-07-11 | 2023-07-11 | Basalt fiber concrete face rockfill dam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116815712A true CN116815712A (en) | 2023-09-29 |
| CN116815712B CN116815712B (en) | 2024-02-13 |
Family
ID=88123979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310844037.1A Active CN116815712B (en) | 2023-07-11 | 2023-07-11 | Basalt fiber concrete face rockfill dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116815712B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370828A (en) * | 1992-01-30 | 1994-12-06 | Continental Photostructures Sprl | Chemiluminescent lighting element |
| CN102507591A (en) * | 2011-10-27 | 2012-06-20 | 上海交通大学 | Hydraulic early warning method and device for concrete structure |
| CN106120663A (en) * | 2016-08-22 | 2016-11-16 | 中国水利水电第十工程局有限公司 | A kind of CFRD |
| CN108333109A (en) * | 2018-02-27 | 2018-07-27 | 华北水利水电大学 | A kind of concrete structure internal fissure monitoring device and method |
| CN109490263A (en) * | 2018-11-01 | 2019-03-19 | 河海大学 | A kind of crack propagation piece and its application method for the measurement of steel box-girder crackle |
| CN110225230A (en) * | 2019-05-29 | 2019-09-10 | 河海大学 | A kind of automatically controlled itinerant monitor system device of the underwater panel crack of rock-fill dams and its application method |
| CN211014057U (en) * | 2019-11-26 | 2020-07-14 | 任俊宏 | Road and bridge concrete structure real-time detection device |
-
2023
- 2023-07-11 CN CN202310844037.1A patent/CN116815712B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370828A (en) * | 1992-01-30 | 1994-12-06 | Continental Photostructures Sprl | Chemiluminescent lighting element |
| CN102507591A (en) * | 2011-10-27 | 2012-06-20 | 上海交通大学 | Hydraulic early warning method and device for concrete structure |
| CN106120663A (en) * | 2016-08-22 | 2016-11-16 | 中国水利水电第十工程局有限公司 | A kind of CFRD |
| CN108333109A (en) * | 2018-02-27 | 2018-07-27 | 华北水利水电大学 | A kind of concrete structure internal fissure monitoring device and method |
| CN109490263A (en) * | 2018-11-01 | 2019-03-19 | 河海大学 | A kind of crack propagation piece and its application method for the measurement of steel box-girder crackle |
| CN110225230A (en) * | 2019-05-29 | 2019-09-10 | 河海大学 | A kind of automatically controlled itinerant monitor system device of the underwater panel crack of rock-fill dams and its application method |
| CN211014057U (en) * | 2019-11-26 | 2020-07-14 | 任俊宏 | Road and bridge concrete structure real-time detection device |
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| Publication number | Publication date |
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| CN116815712B (en) | 2024-02-13 |
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