CN113959942B - Device and method for testing bending bonding strength between reinforcing material and concrete on site - Google Patents
Device and method for testing bending bonding strength between reinforcing material and concrete on site Download PDFInfo
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- CN113959942B CN113959942B CN202111261732.2A CN202111261732A CN113959942B CN 113959942 B CN113959942 B CN 113959942B CN 202111261732 A CN202111261732 A CN 202111261732A CN 113959942 B CN113959942 B CN 113959942B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a device and a method for testing bending bonding strength between a reinforcing material and concrete on site, belonging to the technical field of quality detection of building structure reinforcing engineering. A device, characterized in that it comprises: the upper part is used for measuring bending bonding strength, the lower part is used for positioning the acting direction of external load, the upper part is connected with the lower part through a first steel chain rod, a second steel chain rod is further arranged between the upper part and the lower part, one end of the second steel chain rod is connected with the upper part, and the other end of the second steel chain rod penetrates through the lower part and is used for applying external load. The action point of the external load is positioned on the action line of the gravity resultant force of the part; and (5) measuring the bonding failure load value when the upper part is separated from the concrete, and calculating to obtain the bending bonding strength between the reinforcing material and the concrete. The device provided by the invention has the advantages of simple structure, simple and convenient operation and short test time, and is a nondestructive testing technology applicable to the field.
Description
Technical Field
The invention relates to the technical field of quality detection of building structure reinforcement engineering, in particular to a device and a method for testing bending bonding strength between a reinforcement material and concrete on site.
Background
At present, aiming at a concrete structure, a plurality of technical methods for reinforcing in a bonding mode are listed in the concrete structure reinforcing design specification (GB 50367-2013) in China, wherein the technical methods comprise external bonding type steel reinforcement, bonding steel plate reinforcement and bonding fiber composite material reinforcement, and the reinforcing methods all need bonding reinforcing materials to the surface of the concrete structure through an adhesive, so that the bonding strength between the reinforcing materials and the concrete is ensured to be the basic requirement for the subsequent reinforcing calculation.
In the construction quality acceptance Specification (GB 5050-2010) of reinforcing engineering of building structures in China, a test method for measuring the forward pulling bonding strength of a bonding material bonding reinforcing material and a base material on site is proposed. Through a large number of field operations, the failure mode of the bonding section can basically meet the cohesive failure mode of the substrate concrete, but the calculated forward-pulling bonding strength is often smaller than the expected bonding strength, and the bonding performance between the reinforcing material and the substrate is underestimated. The specific operation of the test method is comprehensively analyzed, and the fact that the tensile force applied to the section to be tested is difficult to ensure that the tensile force acts on the centroid position accurately is found, and the dead weight of the steel standard block and the test equipment can also influence the test result to a certain extent.
In the chinese patent document with publication number CN103983570a, a device and a method for testing shear bonding strength of structural adhesive between a reinforcing material and concrete are proposed, and the upper and lower hangers in the device of the present invention need to be completely centered during testing, and a concrete test piece with a certain size needs to be selected, and the areas of the two test pieces need to be equal, so that the testing method needs a higher operation level, and the overall device is complex and is not easy to perform operation testing on site.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects in the prior art, and evaluate the bonding performance of the reinforced material by using the bending bonding strength of the bonding section, so as to provide a device and a method for testing the bending bonding strength between the reinforced material and the concrete on site, and apply an external load to the gravity center of the device to account for the influence of the self weight of the device on the test result.
The invention provides a device for testing bending bonding strength between a reinforcing material and concrete on site, which comprises: the upper part is used for measuring bending bonding strength, the lower part is used for positioning the acting direction of external load, the upper part is connected with the lower part through a first steel chain rod, a second steel chain rod is further arranged between the upper part and the lower part, one end of the second steel chain rod is connected with the upper part, and the other end of the second steel chain rod penetrates through the lower part and is used for applying external load. The external load acts on the upper part through the second steel chain rod; the horizontal position of the external load acting point is positioned on the gravity resultant acting line at the upper part; when an external load is applied, the action direction of the external load is overlapped with the action line of the gravity combined force of the upper part through the limiting action of the lower part.
Preferably, the upper part comprises a first steel disc, a semicircular track, a first steel rod, a semicircular ring and a counterweight steel ball, wherein the central point of the first steel disc is connected with the first steel rod, and the semicircular track is fixed at the central position of the annular side surface of the first steel disc; the first steel rod is fixed on the first steel disc, and the cross section centroid of the first steel rod is overlapped with the cross section centroid of the first steel disc; the semicircular ring is fixed at the central position of the annular side surface of the first steel bar, and the horizontal position of the semicircular ring is positioned on the gravity resultant force action line at the upper part; the semicircular track and the semicircular are positioned on the same side face of the upper part; one end of the first steel chain rod is connected with the semicircular track; one end of the second steel chain rod is connected with the semicircular ring. The horizontal position of the semicircular ring is positioned at the gravity combined force acting point at the upper part.
Preferably, the lower part comprises a second steel disc, a first circular ring, a second steel rod and a second circular ring; the first circular ring is fixed at the center of the annular side surface of the second steel disc, and the direction of the holes of the first circular ring is the same as the direction of the second steel disc; the second steel rod is fixed on the second steel disc, and the cross section centroid of the second steel rod is overlapped with the cross section centroid of the second steel disc; the second circular ring at the top of the second steel rod is connected with the second steel rod in a free embedding mode and is used for realizing the functions of adjusting the horizontal position and rotating along the axis of the second steel rod of the second circular ring relative to the second steel rod; the other end of the first steel chain rod is connected with the first circular ring; the other end of the second steel chain rod passes through the second circular ring.
Preferably, the two ends of the first steel chain rod are respectively provided with a circular ring, the circular ring at one end is connected with the semicircular ring track in the upper part, and the circular ring at the other end is connected with the first circular ring in the lower part.
Preferably, the two ends of the second steel chain rod are respectively provided with a circular ring, the circular ring at one end is connected with the semicircular ring in the upper part, and the other end is used for applying external load and penetrates through the hole at the top of the second circular ring in the lower part.
The invention also provides a method for using the device for testing the bending bonding strength between the reinforcing material and the concrete on site, which mainly comprises the following operation steps:
step one, adhering a reinforcing material on the surface of the concrete to be tested according to a specified adhering process to form a glue line to be tested, and pressurizing and maintaining according to a process specified by a product use instruction after adhering; after the adhesive is solidified, cutting by adopting a water drill, wherein the inner diameter of the drill bit is the same as the diameter of the first steel disc; then, the first steel disc at the upper part is stuck on the surface of the reinforcing material by using the fast-curing high-strength fast-curing adhesive, and the main part of the semicircular track is positioned at the lower side during sticking;
step two, adjusting a first steel chain rod with the upper part and the lower part connected with each other, slightly lifting the lower part after the lower part freely sags so as to ensure that the first steel chain rod is in a free state without stress, and adhering a second steel disc of the lower part on the surface of concrete by using fast-curing high-strength fast-curing adhesive;
step three, adjusting the horizontal position and the angle of a second circular ring in the lower part, enabling a second steel chain rod connected with the upper part and used for applying external load to vertically pass through the center of the second circular ring, and enabling the second steel chain rod and the second circular ring not to be in contact with each other;
applying vertical downward force on one side of the free end of the second steel chain rod, enabling the second steel chain rod and the second circular ring not to generate mutual friction in the process of applying external load, and recording a bonding failure load value when the upper part is separated from the concrete;
and fifthly, calculating the bending bonding strength between the reinforcing material and the concrete through the failure load value.
Further, the calculation formula of the bending bonding strength can be adoptedWhereinf fb Is the bending bonding strength of the cross section,Fin order to bond the failure load magnitude values,Gfor the weight value of the upper part,lfor the horizontal distance of the external load from the cross section to be tested,dis the cross-sectional diameter of the first steel disc.
Further, the surface of the concrete to be tested should be roughened, the roughening depth should reach the new surface of the aggregate, the hand feeling is rough, no sharp protrusions are generated, and the surface should be cleaned after roughening, so that loose aggregate and dust are not obtained.
Further, the inside of the ring at the top of the second ring should be coated with grease or other type of lubricant.
The technical scheme of the invention has the following advantages:
1. the testing device provided by the invention has a simple structure, can be used for testing on site, does not damage a concrete structure, and is a nondestructive testing technology;
2. the testing method provided by the invention adopts a bending moment action applied on the section to be tested, and the bonding performance of the tested section is evaluated by determining the bending bonding strength of the bonding section, so that the technical problem that the action of applying the axial tension strictly requires the action of an external load on the center of the section to be tested is avoided;
3. the testing method provided by the invention is simple to operate, easy to master, less in workload, rapid and convenient to test, and capable of performing multi-point operation on site, and determining the average bending bonding strength value through multiple operations.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the device for testing the flexural bond strength between a reinforcement material and concrete in situ in accordance with the present invention;
FIG. 2 is a schematic side view of the structure of the device for testing the flexural bond strength between a reinforcement material and concrete in situ in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the upper part of the device of the present invention;
FIG. 4 is a schematic view of the lower part of the apparatus of the present invention;
in the figure: 1. concrete; 2. glue line; 3. a reinforcing material; 4. high-strength quick-setting adhesive; 5. a first steel disc; 6. a semicircular track; 7. a first steel bar; 8. a semicircular ring; 9. counterweight steel balls; 10. a second steel disc; 11. a first ring; 12. a second steel bar; 13. a second ring; 14. a first steel link; 15. and a second steel link.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
An apparatus for in situ testing of flexural bond strength between a reinforcement material and concrete, as shown in fig. 1-2, comprising: an upper part for measuring bending bonding strength and a lower part for positioning the action direction of external load, wherein the upper part and the lower part are connected through a first steel chain rod 14, a second steel chain rod 15 is further arranged between the upper part and the lower part, one end of the second steel chain rod 15 is connected with the upper part, and the other end passes through the lower part for applying external load. The external load acts on the upper part through the second steel link 15; the horizontal position of the external load acting point is positioned on the gravity resultant acting line at the upper part; when an external load is applied, the action direction of the external load is overlapped with the action line of the gravity combined force of the upper part through the limiting action of the lower part. Further, the second steel link 15 is provided with graduations, so that the distance between the upper part and the lower part can be directly read.
As shown in fig. 3, the upper part comprises a first steel disc 5, a semicircular track 6, a first steel rod 7, a semicircular ring 8 and a counterweight steel ball 9, wherein the central point of the first steel disc 5 is connected with the first steel rod 7, and the semicircular track 6 is fixed at the central position of the annular side surface of the first steel disc 5; the first steel rod 7 is fixed on the first steel disc 5, and the cross section centroid of the first steel rod 7 is overlapped with the cross section centroid of the first steel disc 5; the semicircular ring 8 is fixed at the center of the annular side surface of the first steel bar 7, and the horizontal position of the semicircular ring is positioned on the gravity resultant force action line at the upper part; the semicircular track 6 and the semicircular track 8 are positioned on the same side surface of the upper part; one end of the first steel chain rod 14 is connected with the semicircular ring rail 6; one end of the second steel chain rod 15 is connected with the semicircular ring 8. The horizontal position of the semicircle ring 8 is at the gravity combined force action point of the upper part.
As shown in fig. 4, the lower part comprises a second steel disc 10, a first circular ring 11, a second steel rod 12 and a second circular ring 13; the first circular ring 11 is fixed at the center of the annular side surface of the second steel disc 10, and the direction of the holes of the first circular ring 11 is the same as the direction of the second steel disc 10; the second steel rod 12 is fixed on the second steel disc 10, and the cross section centroid of the second steel rod 12 is overlapped with the cross section centroid of the second steel disc 10; the second circular ring 13 at the top of the second steel rod 12 is connected with the second steel rod 12 in a free embedding mode, and is used for realizing the functions of adjusting the horizontal position of the second circular ring 13 relative to the second steel rod 12 and rotating along the axis of the second steel rod 12; the other end of the first steel chain rod 14 is connected with the first circular ring 11; the other end of the second steel link 15 passes through the second ring 13.
Specifically, the second steel rod 12 is a hollow round tube, the inner diameter of the hollow round tube is the same as the outer diameter of the second ring 13, the second ring 13 is embedded into the second steel rod 12, and the embedding depth of the second ring 13 can be adjusted according to the position of the semicircular ring 8, so that the second steel link 15 is kept in a vertical state. And because when the first steel disc 5 is adhered to the surface of the object to be measured, the joint of one end of the second steel chain rod 15 and the semicircular ring 8 may be located at any arc-shaped position of the semicircular ring 8, and the second steel chain rod 15 can be prevented from contacting the second circular ring 13 by rotating the second circular ring 13, so that measurement errors are reduced.
As shown in fig. 1-2, the first steel link 14 has rings at both ends, respectively, one end of which is connected to the semicircular track 6 in the upper portion and the other end of which is connected to the first ring 11 in the lower portion.
As shown in fig. 1-2, two ends of the second steel link 15 are respectively provided with a ring, one end of the ring is connected to the semicircular ring 8 in the upper part, and the other end of the ring passes through a hole in the top of the second ring 13 in the lower part due to external load.
Example 2
The invention also provides a method for testing the bending bonding strength between the reinforcing material and the concrete on site, which mainly comprises the following operation steps:
step one, adhering a reinforcing material 3 on the surface of the concrete 1 to be tested according to a specified adhering process to form a glue line 2 to be tested, and pressurizing and curing according to a process specified by a product use instruction after adhering; after the adhesive is solidified, cutting by adopting a water drill, wherein the inner diameter of the drill bit is the same as the diameter of the first steel disc 5; then, the first steel disc 5 at the upper part is stuck on the surface of the reinforcing material 3 by using the fast-curing high-strength fast-curing adhesive 4, and the main part of the semicircular track 6 is positioned at the lower side during sticking;
step two, adjusting a first steel chain rod 14 with the upper part and the lower part connected with each other, slightly lifting the lower part after the lower part freely sags so as to ensure that the first steel chain rod 14 is in a free state without stress, and adhering a second steel disc 10 at the lower part on the surface of the concrete 1 by using a fast-curing high-strength fast-setting adhesive 4;
step three, adjusting the horizontal position and angle of the second circular ring 13 in the lower part, so that the second steel chain rod 15 which is connected with the upper part and used for applying external load vertically passes through the center of the second circular ring 13, and the second steel chain rod 15 and the second circular ring 13 are not contacted with each other;
step four, vertical downward vertical force is applied to one side of the free end of the second steel chain rod 15, in the process of applying external load, mutual friction between the second steel chain rod 15 and the second circular ring 13 does not occur, and the bonding failure load value when the upper part is separated from the concrete 1 is recorded;
and fifthly, calculating the bending bonding strength between the reinforcing material 3 and the concrete 1 through the failure load value.
Further, the calculation formula of the bending bonding strength can be adoptedWhereinf fb Is the bending bonding strength of the cross section,Fin order to bond the failure load magnitude values,Gfor the weight value of the upper part,lfor the horizontal distance of the external load from the cross section to be tested,dis the diameter of the cross section of the first steel disc 5. Wherein the method comprises the steps ofGThe weight of the upper part can be obtained directly at the time of manufacturing the device,lcan be derived directly from the graduations on the second steel link 15. More specifically, the adhesion failure load value can be accurately measured by applying an external load to the second steel link 15 using a weight at the time of measurement. It should be noted that, the external load may be applied by a weight, or other means for achieving the object of the present invention may be used.
Further, the surface of the concrete to be tested should be roughened, the roughening depth should reach the new surface of the aggregate, the hand feeling is rough, no sharp protrusions are generated, and the surface should be cleaned after roughening, so that loose aggregate and dust are not obtained.
Further, the inside of the ring at the top of the second ring 13 should be coated with grease or the like type of lubricant.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. The device for testing the bending bonding strength between the reinforcing material and the concrete on site is characterized by comprising: an upper part for measuring bending bonding strength and a lower part for positioning the action direction of external load, wherein the upper part and the lower part are connected through a first steel chain rod (14), a second steel chain rod (15) is arranged between the upper part and the lower part, one end of the second steel chain rod (15) is connected with the upper part, and the other end of the second steel chain rod passes through the lower part and is used for applying external load; the external load acts on the upper part through the second steel chain rod; the horizontal position of the external load acting point is positioned on the gravity resultant acting line at the upper part; when external load is applied, the action direction of the external load is overlapped with the action line of the gravity combined force of the upper part through the limiting action of the lower part; the upper part comprises a first steel disc (5), a semicircular track (6), a first steel rod (7), a semicircular track (8) and a counterweight steel ball (9), wherein the central point of the first steel disc (5) is connected with the first steel rod (7), and the semicircular track (6) is fixed at the central position of the annular side surface of the first steel disc (5); the first steel rod (7) is fixed on the first steel disc (5), and the cross section centroid of the first steel rod (7) is overlapped with the cross section centroid of the first steel disc (5); the semicircular ring (8) is fixed at the center of the annular side surface of the first steel bar (7), and the horizontal position of the semicircular ring is positioned on the gravity resultant force action line at the upper part; the semicircular track (6) and the semicircular track (8) are positioned on the same side face of the upper part; one end of the first steel chain rod (14) is connected with the semicircular track (6); one end of the second steel chain rod (15) is connected with a semicircular ring (8), and the horizontal position of the semicircular ring (8) is positioned at the gravity combined force acting point at the upper part; the lower part comprises a second steel disc (10), a first circular ring (11), a second steel rod (12) and a second circular ring (13); the first circular ring (11) is fixed at the center of the annular side surface of the second steel disc (10), and the direction of the holes of the first circular ring (11) is the same as the direction of the holes of the second steel disc (10); the second steel rod (12) is fixed on the second steel disc (10), and the cross section centroid of the second steel rod (12) is overlapped with the cross section centroid of the second steel disc (10); the second circular ring (13) at the top of the second steel rod (12) is connected with the second steel rod (12) in a free embedding mode, and is used for realizing the functions of adjusting the horizontal position of the second circular ring (13) relative to the second steel rod (12) and rotating along the axis of the second steel rod (12); the other end of the first steel chain rod (14) is connected with the first circular ring (11); the other end of the second steel chain rod (15) passes through the second circular ring (13).
2. The device for testing the flexural bond strength between a reinforcement material and concrete on site according to claim 1, characterized in that the two ends of the first steel link (14) are respectively provided with a ring, the ring at one end being connected to the semicircular track (6) in the upper part and the ring at the other end being connected to the first ring (11) in the lower part.
3. The device for testing the bending bonding strength between a reinforcing material and concrete on site according to claim 2, wherein the second steel chain rods (15) are respectively provided with rings at both ends, the rings at one end are connected to the semicircular rings (8) in the upper part, and the other end is used for applying external load, and pass through the holes at the top of the second rings (13) in the lower part.
4. A method of using the apparatus for in-situ testing of flexural bond strength between a reinforcement material and concrete as claimed in any one of claims 1 to 3, characterized in that the steps of operation essentially comprise:
step one, adhering a reinforcing material (3) on the surface of the concrete (1) to be tested according to a specified adhering process to form a glue line (2) to be tested, and pressurizing and curing according to a process specified by a product use instruction after adhering; after the adhesive is solidified, cutting by adopting a water drill, wherein the inner diameter of the drill bit is the same as the diameter of the first steel disc (5); then, a first steel disc (5) at the upper part is stuck on the surface of the reinforcing material (3) by using a fast-curing high-strength fast-curing adhesive (4), and the main part of the semicircular track (6) is positioned at the lower side during sticking;
step two, adjusting a first steel chain rod (14) with the upper part and the lower part connected with each other, slightly lifting the lower part after the lower part freely sags so as to ensure that the first steel chain rod (14) is in a free state without stress, and adhering a second steel disc (10) of the lower part on the surface of the concrete (1) by using a fast-curing high-strength fast-curing adhesive (4);
step three, adjusting the horizontal position and the angle of a second circular ring (13) in the lower part, enabling a second steel chain rod (15) which is connected with the upper part and is used for applying external load to vertically pass through the center of the second circular ring (13), and enabling the second steel chain rod (15) and the second circular ring (13) not to be in contact with each other;
applying vertical downward force on one side of the free end of the second steel chain rod (15), enabling the second steel chain rod (15) and the second circular ring (13) not to rub against each other in the process of applying external load, and recording the bonding failure load value when the upper part is separated from the concrete (1);
and fifthly, calculating the bending bonding strength between the reinforcing material (3) and the concrete (1) through the failure load value.
5. The method of on-site testing a device for bending adhesion strength between a reinforcement material and concrete according to claim 4, wherein the bending adhesion strength is calculated using the formulaCalculation of whereinf fb Is the bending bonding strength of the cross section,Fin order to bond the failure load magnitude values,Gfor the weight value of the upper part,lfor the horizontal distance of the external load from the cross section to be tested,dis the diameter of the section of the first steel disc (5).
6. The method of the device for in-situ testing of flexural bond strength between reinforcement material and concrete as claimed in claim 4, characterized in that the inside of the ring at the top of the second ring (13) is coated with a lubricant.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4491014A (en) * | 1982-11-12 | 1985-01-01 | The United States Of America As Represented By The Secretary Of The Army | Bond testing apparatus |
| US4876896A (en) * | 1986-06-16 | 1989-10-31 | I.W. Industries, Inc. | Method of testing protective encapsulation of structural members |
| JP2005082467A (en) * | 2003-09-11 | 2005-03-31 | Takafumi Noguchi | Concrete containing recyclable and recoverable aggregate and its manufacturing method |
| CN101738347A (en) * | 2009-12-10 | 2010-06-16 | 同济大学 | Indoor detection method for performance of waterproof adhesive layer material of cement concrete bridge |
| CN103048264A (en) * | 2013-01-22 | 2013-04-17 | 江苏华通工程检测有限公司 | Anchorage performance detection testing apparatus and method for carbon fiber adhesion reinforcement |
| CN203396690U (en) * | 2013-07-19 | 2014-01-15 | 郑州大学 | Carbon fiber cloth-concrete interface adhesive property test device based on beam type test piece |
| CN103528885A (en) * | 2013-09-26 | 2014-01-22 | 天津大学 | Method for testing elasticity moduli of coatings |
| CN103983570A (en) * | 2012-11-28 | 2014-08-13 | 山东省建筑科学研究院 | Device and method for testing shear bond strength of structural adhesive between reinforcement material and concrete |
| CN206177726U (en) * | 2016-11-16 | 2017-05-17 | 河海大学 | Engineered cementitious composites reinforcing concrete interface shearing testing device |
| CN109060653A (en) * | 2018-09-03 | 2018-12-21 | 中国建筑科学研究院有限公司 | Method and device for detecting bonding strength of bonding surface of laminated member |
| CN111257221A (en) * | 2020-03-10 | 2020-06-09 | 南京交通职业技术学院 | Device and method for testing bonding performance of fiber reinforced composite material reinforced concrete |
| CN113155732A (en) * | 2021-04-26 | 2021-07-23 | 郑州大学 | Method for testing performance of high-strength steel strand net enhanced ECC (error correction code) and concrete interface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11169082B2 (en) * | 2019-08-02 | 2021-11-09 | King Fahd University Of Petroleum And Minerals | Universal debonding test apparatus for carbon fiber reinforced polymer-concrete system and method for sequential multi-testing |
-
2021
- 2021-10-28 CN CN202111261732.2A patent/CN113959942B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4491014A (en) * | 1982-11-12 | 1985-01-01 | The United States Of America As Represented By The Secretary Of The Army | Bond testing apparatus |
| US4876896A (en) * | 1986-06-16 | 1989-10-31 | I.W. Industries, Inc. | Method of testing protective encapsulation of structural members |
| JP2005082467A (en) * | 2003-09-11 | 2005-03-31 | Takafumi Noguchi | Concrete containing recyclable and recoverable aggregate and its manufacturing method |
| CN101738347A (en) * | 2009-12-10 | 2010-06-16 | 同济大学 | Indoor detection method for performance of waterproof adhesive layer material of cement concrete bridge |
| CN103983570A (en) * | 2012-11-28 | 2014-08-13 | 山东省建筑科学研究院 | Device and method for testing shear bond strength of structural adhesive between reinforcement material and concrete |
| CN103048264A (en) * | 2013-01-22 | 2013-04-17 | 江苏华通工程检测有限公司 | Anchorage performance detection testing apparatus and method for carbon fiber adhesion reinforcement |
| CN203396690U (en) * | 2013-07-19 | 2014-01-15 | 郑州大学 | Carbon fiber cloth-concrete interface adhesive property test device based on beam type test piece |
| CN103528885A (en) * | 2013-09-26 | 2014-01-22 | 天津大学 | Method for testing elasticity moduli of coatings |
| CN206177726U (en) * | 2016-11-16 | 2017-05-17 | 河海大学 | Engineered cementitious composites reinforcing concrete interface shearing testing device |
| CN109060653A (en) * | 2018-09-03 | 2018-12-21 | 中国建筑科学研究院有限公司 | Method and device for detecting bonding strength of bonding surface of laminated member |
| CN111257221A (en) * | 2020-03-10 | 2020-06-09 | 南京交通职业技术学院 | Device and method for testing bonding performance of fiber reinforced composite material reinforced concrete |
| CN113155732A (en) * | 2021-04-26 | 2021-07-23 | 郑州大学 | Method for testing performance of high-strength steel strand net enhanced ECC (error correction code) and concrete interface |
Non-Patent Citations (1)
| Title |
|---|
| 孙前元等.建筑结构加固工程施工质量验收规范.中国建筑工业出版社,2010,(第1版),第198-203页. * |
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