CN109100282A - The in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance - Google Patents
The in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance Download PDFInfo
- Publication number
- CN109100282A CN109100282A CN201811051254.0A CN201811051254A CN109100282A CN 109100282 A CN109100282 A CN 109100282A CN 201811051254 A CN201811051254 A CN 201811051254A CN 109100282 A CN109100282 A CN 109100282A
- Authority
- CN
- China
- Prior art keywords
- concrete
- platen
- water
- water pump
- reaction frame
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Abstract
The present invention relates to the in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance, including reaction frame, seal platen and pressure water pump, reaction frame includes two symmetrically set longitudinal rod, it is connected between two longitudinal rods by two transverse bars, concrete expansion screw hole is symmetrically provided at the both ends of longitudinal rod, it is symmetrically provided with platen fixed screw holes on the transverse bar, sealing platen is made of rubber seal bed course and metal layer, drain tap is equipped on sealing platen, water filling port and platen fixed screw holes, pressure water pump is connected with by hose on water filling port, pressure water pump is furnished with water pressure gauge.The present invention has many advantages, such as that applied widely, operating flexibility is strong, it is small to influence on the structure of measured object.
Description
Technical field
The present invention relates to a kind of detection device and its detection method, especially a kind of original position of agent on crack resistance of concrete water permeation performance
Detector and detection method.
Background technique
The agent on crack resistance of concrete water penetration detection mode that project delivery method detection field is widely used at present is that independent molding is anti-
Seep test block, after send to laboratory and detected.Although uniformly carrying out detecting in laboratory more convenient, but there are the following problems:
1, it is unable to ensure the consistency of concrete material used in impervious test block and engineering construction scene；2, engineering construction scene can not be assessed
The difference of site concrete curing condition is to influence caused by concrete impermeability；If 3, being formed not in time when casting concrete
Impervious test block can not then assess the anti-permeability performance of concrete component；4, current anti-permeability performance detection method can not detect the age
Existing building more remote.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings, be related to it is a kind of suitable for on-site test, to concrete structure
Part original structure influences the in situ detection instrument of lesser agent on crack resistance of concrete water permeation performance.
The purpose of the present invention is achieved through the following technical solutions: a kind of in situ detection of agent on crack resistance of concrete water permeation performance
Instrument, including reaction frame, sealing platen and pressure water pump, the reaction frame includes two symmetrically set longitudinal rod, described in two
It is connected between longitudinal rod by two transverse bars, is symmetrically provided with concrete expansion screw hole at the both ends of the longitudinal rod,
Platen fixed screw holes are symmetrically provided on the transverse bar, the sealing platen is made of rubber seal bed course and metal layer,
The platen is equipped with drain tap, water filling port and platen fixed screw holes, is connected with pressure by hose on the water filling port
Power water pump is furnished with water pressure gauge on the pressure water pump.
A kind of detection method of the in situ detection instrument of agent on crack resistance of concrete water permeation performance, comprising the following steps:
A, dry concrete surface is chosen, detection position is carried out using the coring bit of 70mm, 100mm and 120mm respectively same
Heart round bur takes, and takes out innermost concrete cylindrical and outermost concrete annulus, takes out most inner side concrete at this time
Cylindrical body is formed by cavity as water filling area, fills the water the ring shape concrete parts formed between area and outermost hollow ring
For the tested region of water resistant infiltration；
B, the quadrangle of the reaction frame is fixed in concrete with setscrew, the platen is inserted into reaction frame and concrete
Between surface；
C, the fixed screw of the platen is passed through from four platen fixed screw holes of 1 two transverse bars of reaction frame, it is fixed
On the platen in corresponding screw hole；And fixed screw is tightened, it is tightly pressed against the platen in concrete tested region；
D, the water filling port at the platen center is connected by hose with water pump, opens the drain tap on the platen top, started
The water pump water filling, after the air in discharge water filling area is discharged, water will be overflowed from drain tap, that is, fasten valve, at this time water
Have been filled with water filling area；
E, the pressure gauge using the water pump and thereon is pressurizeed step by step, is dripped and is oozed out and drip from inside concrete when first
When Red Sigil being presented on to test paper, stop pressurization；
F, include six operations for every group of the test, using the average value of permeable pressure as tested concrete members water resistant permeance property
Evaluation index.
The present invention has the advantage that compared with prior art:
1, the detection of concrete impermeability is become on-site test by this equipment, and impervious test piece and the engineering for avoiding inspection are practical
It is influenced caused by difference between concrete used.
2, anti-permeability performance detection is not carried out in accordance with regulations in the construction process for such as construction project, can be to complete using this equipment
Construction project after work carries out the identification of water resistant permeance property.
3, existing impermeability test equipment is sealed using the disposable sealing material such as paraffin, asking for leak often occurs
Topic, and this equipment carries out pressure seal using sealing platen, structure is simple, and sealing effect is preferable.
4, using this equipment can the concrete component water resistant permeance property to existing building detect, can be used for year
The service performance and service life of generation existing building more remote are assessed.
5, accurately construction project particular elements or privileged site can be detected using this equipment, specific aim compared with
By force.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram for sealing platen；
Figure label: 1- reaction frame, 2- seal platen, 3- hose, 4- pressure water pump, 1-1- longitudinal rod, 1-2- transverse bar, 1-3-
Concrete expansion screw hole, 1-4- platen fixed screw holes, 2-1- rubber seal bed course, 2-2- metal layer, 2-3- drain tap,
2-4- water filling port, 2-5- platen fixed screw holes.
Specific embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, the implementation
Example for explaining only the invention, is not intended to limit the scope of the present invention..
As Fig. 1-2 shows a kind of specific embodiment of the in situ detection instrument of agent on crack resistance of concrete water permeation performance of the present invention:
Including reaction frame 1, sealing platen 2 and pressure water pump 4, the reaction frame 1 includes two symmetrically set longitudinal rod 1-1, and two
It is connected between the longitudinal rod 1-1 by two transverse bar 1-2, is symmetrically provided with concrete at the both ends of the longitudinal rod 1-1
Expanding screw wire hole 1-3, is symmetrically provided with platen fixed screw holes 1-4 on the transverse bar 1-2, and the platen 2 is by rubber seal
Bed course 2-1 and metal layer 2-2 composition, is equipped with drain tap 2-3, water filling port 2-4 and platen fixed screw holes on the platen 2
2-5 is connected with pressure water pump 4 by hose 3 on the water filling port 2-4.
A kind of in-situ detection method of agent on crack resistance of concrete water permeation performance, comprising the following steps:
A chooses dry concrete surface, is carried out respectively using the coring bit of 70mm, 100mm and 120mm to detection position concentric
Round bur takes, and takes out innermost concrete cylindrical and outermost concrete annulus, takes out most inner side concrete circular at this time
Cylinder is formed by cavity as water filling area, fills the water the ring shape concrete section formed between area and outermost hollow ring and is divided into
The tested region of water resistant infiltration；
The quadrangle of the reaction frame 1 is fixed in concrete by b with setscrew, and the platen 2 is inserted into reaction frame 1 and coagulation
Between native surface；
C, the fixed screw of the platen 2 is worn from four platen fixed screw holes 1-4 of 1 two transverse bar 1-2 of reaction frame
It crosses, is fixed on the platen 2 in corresponding screw hole；And fixed screw is tightened, so that the platen 2 is tightly pressed against concrete tested
On region；
D, the water filling port 2-4 at 2 center of platen is connected by hose 3 with water pump 4, opens the exhaust valve on 2 top of platen
Door 2-3 starts the water pump 4 and fills the water, and after the air in discharge water filling area is discharged, water will be overflowed from drain tap 2-3, that is, be closed
Tight valve, water has been filled with water filling area at this time；
Pressure gauge of the e using the water pump 4 and thereon is pressurizeed step by step, is dripped and is oozed out and drip from inside concrete when first
When Red Sigil being presented on to test paper, hydraulic pressure value at this time is recorded, and stop pressurizeing；
Every group of the test of f includes six operations, permeates using the average value of six permeable pressure as tested concrete members water resistant
The evaluation index of performance.
The another statement of applicant, implementation method and apparatus structure of the invention that the present invention is explained by the above embodiments,
But the invention is not limited to above embodiment, that is, do not mean that the present invention must rely on the above method and structure could be real
It applies.It should be clear to those skilled in the art, any improvement in the present invention, to implementation method selected by the present invention etc.
Effect replacement and addition, the selection of concrete mode of step etc., all fall within protection scope of the present invention and scope of disclosure.This
Invention is not limited to the above embodiment, all that all of the object of the invention are realized using structure similar with the present invention and its method
Mode, it is within the scope of the present invention.
Claims (2)
1. a kind of in situ detection instrument of agent on crack resistance of concrete water permeation performance, it is characterised in that: including reaction frame (1), sealing platen (2)
With pressure water pump (4), the reaction frame (1) includes two symmetrically set longitudinal rod (1-1), two longitudinal rods (1-1)
Between be connected by two transverse bars (1-2), be symmetrically provided with concrete expansion screw hole at the both ends of the longitudinal rod (1-1)
(1-3) is symmetrically provided with platen fixed screw holes (1-4) on the transverse bar (1-2), and the sealing platen (2) is close by rubber
Packing layer (2-1) and metal layer (2-2) composition, are equipped with drain tap (2-3), water filling port (2-4) and pressure on the platen (2)
Disk fixed screw holes (2-5) are connected with water pump (4) by hose (3) on the water filling port (2-4).
2. a kind of detection method of the in situ detection instrument of agent on crack resistance of concrete water permeation performance as described in claim 1, it is characterised in that
(including the following steps):
A) dry concrete surface is chosen, detection position is carried out using the coring bit of 70mm, 100mm and 120mm respectively same
Heart round bur takes, and takes out innermost concrete cylindrical and outermost concrete annulus, takes out most inner side concrete at this time
Cylindrical body is formed by cavity as water filling area, fills the water the ring shape concrete parts formed between area and outermost hollow ring
For the tested region of water resistant infiltration；
B) quadrangle of the reaction frame (1) is fixed in concrete with setscrew, the platen (2) is inserted into reaction frame
(1) between concrete surface；
C), by the fixed screw of the platen (2) from four platen fixed screw holes of (1) two transverse bar (1-2) of reaction frame
It passes through, is fixed on the platen (2) in corresponding screw hole in (1-4)；And fixed screw is tightened, make the platen (2) tightly
It is pressed in concrete tested region；
D), the water filling port (2-4) at the platen (2) center is connected by hose (3) with water pump (4), is opened on the platen (2)
The drain tap (2-3) in portion starts the water pump (4) water filling, and after the air in discharge water filling area is discharged, water will be from exhaust valve
Door (2-3) overflows, that is, fastens valve, and water has been filled with water filling area at this time；
E), the pressure gauge using the water pump (4) and thereon is pressurizeed step by step, when first drip from inside concrete exudation simultaneously
When dropping to presentation Red Sigil on test paper, hydraulic pressure value at this time is recorded, and stop pressurizeing；
F), include six operations for every group of the test, seeped using the average value of six permeable pressure as tested concrete members water resistant
The evaluation index of permeability energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051254.0A CN109100282A (en) | 2018-09-10 | 2018-09-10 | The in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051254.0A CN109100282A (en) | 2018-09-10 | 2018-09-10 | The in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance |
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| Publication Number | Publication Date |
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| CN109100282A true CN109100282A (en) | 2018-12-28 |
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|---|---|---|---|
| CN201811051254.0A Pending CN109100282A (en) | 2018-09-10 | 2018-09-10 | The in situ detection instrument and detection method of agent on crack resistance of concrete water permeation performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2728727C1 (en) * | 2019-12-19 | 2020-07-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Method of determining water impermeability of concrete and device for its implementation |
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