CN210005530U - device for detecting grouting fullness of steel bar sleeve - Google Patents
device for detecting grouting fullness of steel bar sleeve Download PDFInfo
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- CN210005530U CN210005530U CN201920005371.7U CN201920005371U CN210005530U CN 210005530 U CN210005530 U CN 210005530U CN 201920005371 U CN201920005371 U CN 201920005371U CN 210005530 U CN210005530 U CN 210005530U
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Abstract
The utility model relates to a device for detecting steel sleeve grout plumpness has grout outlet, slip casting mouth on the steel sleeve, including air chamber, barometer, air pump and gas balance even pipe and second air chamber, the air chamber passes through pipe connection barometer and air pump, and the gas outlet on air chamber is connected to gas balance even pipe end, and second air chamber and steel sleeve are connected in the conversion can be dismantled to end in addition, and gas balance is equipped with the pneumatic valve on even pipe, and the second air chamber is connected with the water valve.
Description
Technical Field
The utility model relates to a building quality detects technical field, concretely relates to kinds of devices that detect reinforcing bar steel bar sleeve grout plumpness.
Background
The method is characterized in that a fabricated concrete structure is a main structural type of an industrial building, the core of the fabricated concrete structure is a connection technology of stressed steel bars, at present, vertical connection of the stressed steel bars in the fabricated concrete structure is mostly connected by sleeve grouting, the steel bar sleeve grouting connection structure is complex and belongs to hidden engineering, a detection technology of grouting quality inside a sleeve is not broken through, and becomes a recognized difficulty in the industry, whether sleeve grouting is full or not directly influences shearing bearing capacity and shock resistance of the structure, a requirement standard is clearly defined for component connection in JGJ 1-2014 fabricated concrete structure technical regulation, since the fabricated house is applied domestically, a detection method of grouting fullness is directly researched in the industry , the purpose of controlling construction quality is achieved, but the steel bar sleeve connection structure is multilayer medium alternation, as shown in figure 1, the fabricated house comprises a component, a steel bar, a sleeve, a second steel bar, a second component, a grout outlet and a grout injection hole, wherein metal medium alternation is achieved, the thickness of the slurry is very thin in the radial direction, is 5mm or 6mm, and the conventional quantitative detection method cannot be effectively carried out on the existing nondestructive testing technology, though cannot be effectively carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a detect device of steel sleeve grout plumpness is provided, the device is based on atmospheric pressure standard equation principle, according to air chamber atmospheric pressure change and the relation of grout filling defect volume size, comes the accurate grout material plumpness of measuring, reaches and judges whether grout material is filled or how much not fill in addition in the work progress, whether qualified purpose.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the device comprises a device for detecting the grouting fullness of a steel bar sleeve, wherein the steel bar sleeve is provided with a grout outlet and a grouting port;
the device comprises an air chamber, a barometer for detecting air pressure in the air chamber, an air pump for delivering air into the air chamber, an air balance connecting pipe and a second air chamber, wherein the air chamber is connected with the barometer and the air pump through connecting pipes, the end of the air balance connecting pipe is connected with an air outlet of the air chamber, the end of the air balance connecting pipe is detachably connected with the second air chamber and the reinforcing steel bar sleeve in a conversion mode, a air valve is arranged on the air balance connecting pipe, and the second air chamber is connected with a water valve.
The utility model discloses as above kind detect the device of steel sleeve grout plumpness, advance step, the barometer is connected the air pump with the pipeline of air chamber intercommunication is last.
The utility model discloses as above device of detecting steel bar sleeve grout plumpness advances step, the barometer with be equipped with the second pneumatic valve on the pipeline between the air chamber.
The utility model discloses as above kind detect steel sleeve grout plumpness's device, advance step, steel sleeve includes concrete component, steel bar, sleeve, second steel bar, second concrete component, steel bar prefabrication is in just extend to in the sleeve in the concrete component, the sleeve is prefabricated the concrete component is close to the position of end and link up the tip of concrete component, second steel bar prefabrication in the second concrete component and end stretch out second concrete component tip forms the linkage segment, the linkage segment is located in the sleeve, it is fixed to pour into concrete slurry into through the slip casting mouth into.
The utility model discloses each junction on the above-mentioned air chamber all sets up the sealing washer, connects the optional position of pipeline and gas balance pipe on the air chamber, guarantees to have the distance decided of between the two.
The th air chamber is filled with constant pressure air.
Via the above-mentioned technical scheme, compare with prior art, the utility model discloses a kinds of devices that detect steel sleeve grout plumpness, the device can accurate measurement and judge the regional size of volume of not grout in the grout sleeve, satisfies the quality control of steel sleeve grout work progress and the demand of the plumpness short-term test after the grout, has that test speed is fast, efficient, the precision is high, stable and with low costs advantage, checks and accepts work for effective detection construction quality and provides high-efficient check out test set.
The utility model discloses detect steel sleeve grout plumpness device and carry out the method that detects, including following step:
() Experimental testing
Accurately obtaining the volume in the second air chamber, filling water with known density in the second air chamber, connecting the other end of the gas balance connecting pipe with the second air chamber, connecting all the parts in good condition, and closing the air valve;
step (2), pressurizing to a constant pressure P of by pressurizing to an th air chamber with an air pump0Opening a water valve, discharging n milliliters of water, opening an th air valve, after air pressure is balanced, reading a value P of an air pressure gauge1Repeating the steps, finally, closing an th air valve, and drawing a standard curve of the volume and the air pressure;
(II) field test
Pressurizing the th air chamber to constant pressure P by an air pump0Connecting another end of the gas balance connecting pipe with the steel bar sleeve, opening the th gas valve, and reading the value P of the barometer after the gas balanceXThrough PXAnd obtaining the volume of the defect position in the steel bar sleeve at the position on the standard curve.
The steps for calibrating the second air chamber are as follows:
s1 weighing the second air cell0To the nearest 0.01 g;
s2 filling the second chamber (10) with water of known density and weighing M1；
S3 calculating the volume, V, of the second air cellSign board＝(M1-M0)/ρWater (W)。
The steps for drawing the standard curve are as follows:
s1, checking that the connection of each component is complete, and closing the th air valve;
s2 the second air chamber is filled with water for calibration, the air pump is started to adjust the air pressure of the th air chamber to make the reading pressure of the barometer constant to P0；
S3 adjusting water valve to discharge 1ml water in the second air chamber;
s4 opening the th air valve to let the th air chamber enter the second air chamber, after the air pressure is stable, reading the value P of the air pressure meter1；
S5 repeating the above steps, discharging 1ml of water each time until 100ml of water is discharged in total, recording P2、 P3、P4To PnA value of (d);
s6, drawing a curve, and drawing a standard curve by taking the volume of the accumulated discharged water as an abscissa and the air pressure as an ordinate;
the field test of the step (II)
Before the S1 test, checking that all parts are connected completely to ensure normal work;
s2, connecting the gas balance connecting pipe with the slurry outlet of the sleeve;
s3 starting the air pump to make the air pressureThe gauge reading pressure is constant to P0；
S4, opening the air valve to inject the air in the air chamber into the defective position of the grouting sleeve, and recording the reading P of the barometer after the air pressure is stableX
S5 reads the volume V of the defect site against the standard curve.
The utility model discloses detect device of steel sleeve grout plumpness still can be applied to the survey of irregular object volume, density such as particulate matter, special-shaped block. The utility model discloses well steel sleeve can be assembled concrete structure steel sleeve.
Drawings
Fig. 1 is a schematic diagram of the calibration of grouting fullness detecting devices for steel bar sleeves of the present invention;
FIG. 2 is a schematic view of the grouting sleeve of the present invention;
fig. 3 is a schematic view of grouting fullness detecting devices of the steel bar sleeve of the present invention;
fig. 4 is the utility model discloses kind detect steel sleeve grout plumpness device volume and atmospheric pressure coordinate system in service.
In the drawings, the components represented by the respective reference numerals are listed below:
1. grouting defect position, 2, th member, 3, th reinforcing steel bar, 4, sleeve, 5, second reinforcing steel bar, 6, second member, 7, grout outlet, 8, grouting port, 9, air balance connecting pipe, 10, second air chamber, 11, th air chamber, 12, air outlet, 13, water valve, 14, barometer, 15, air pump, 16, second air valve, 17, air valve.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, according to the embodiment of the present invention, a device for detecting grouting fullness of a steel bar sleeve is provided, wherein the steel bar sleeve is provided with a grout outlet and a grout injection port;
the pneumatic test device comprises an th air chamber 11, a barometer 14 for detecting air pressure in the th air chamber, an air pump 15 for delivering air into the th air chamber, an air balance connecting pipe 9 and a second air chamber 10, wherein the th air chamber 11 is connected with the barometer and the air pump through connecting pipes, the 9 end of the air balance connecting pipe is connected with an air outlet 12 on the th air chamber, the end of the air balance connecting pipe is detachably connected with the second air chamber 10 and a reinforcing steel bar sleeve in a conversion mode, a th air valve 17 is arranged on the air balance connecting pipe, and the second air chamber 10 is connected with a.
Specifically, according to the utility model discloses detect device of steel sleeve grout plumpness, the barometer is connected on the pipeline of air pump and air chamber intercommunication, can be used for the atmospheric pressure in the air chamber of real-time supervision.
In , a second air valve 16 is provided on the pipe between the barometer and the th air chamber for controlling the connection and disconnection of the air pump and the th air chamber.
Specifically, the device for detecting the grouting fullness of the steel bar sleeve comprises an th concrete member 2, an th steel bar 3, a sleeve 4, a second steel bar 5 and a second concrete member 6, wherein the th steel bar is prefabricated in the th concrete member 2 and extends into the sleeve, the sleeve 4 is prefabricated at a position, close to a end, of the th concrete member 2 and penetrates through an end portion of the th concrete member 2, the second steel bar 5 is prefabricated in the second concrete member 6, an end of the second steel bar extends out of an end portion of the second concrete member 6 to form a connecting section, the connecting section is located in the sleeve 4, and concrete is injected through a grouting opening 8 to fix slurry.
Grout is injected into the sleeve 4 through the grouting opening 8 by a grouting machine, and a grouting defect position 1 is often formed in the sleeve due to complex grouting connection structure of the sleeve or manual operation in the grouting process, so that the grouting sleeve is not full, the shearing bearing capacity and the shock resistance of the structure are affected, and potential safety hazards exist.
The utility model discloses detect device of steel sleeve grout plumpness detects the method, and it specifically includes following step:
step 1: calibrating a second air chamber:
1) weighing the second air chamber (10) by a weight M0To the nearest 0.01 g;
2. is filled with water of known densityA second air chamber (10) and a weighing M1；
3. Calculating the volume, V, of the second air chamber (10)Sign board＝(M1-M0)/ρWater (W)。
The second step is that: drawing a standard curve
1. Checking that the connection of all parts is complete, and enabling the air valve (16) and the air valve II (17) to be in a closed state;
2. after the second air chamber (10) is filled with water for calibration, the air pump (15) is started, the second air valve (17) is opened, the air pressure of the th air chamber (11) is adjusted, and the reading pressure of the barometer (14) is constant to be P0Closing the second air valve (17);
3. a water regulating valve (19) discharges 1ml of water in the second air chamber (10);
4. opening the air valve (16) to make the air chamber (11) enter the second air chamber (10), after the air pressure is stabilized, reading the value P of the air pressure gauge1；
5. Repeating the above steps, discharging 1ml of water each time until 100ml of water is discharged in total, and recording P2、 P3、P4To PnA value of (d);
6. drawing a curve, taking the volume of the accumulated discharged water as an abscissa and the air pressure as an ordinate, and drawing a standard curve, as shown in fig. 4;
the third step: in situ testing
1. Before testing, checking that all parts are connected perfectly to ensure normal work;
2. connecting the gas balance connecting pipe (9) with a slurry outlet (7) of the sleeve (4);
3. starting the air pump (15) and adjusting the second air valve (17) to make the reading pressure of the barometer constant to P0Closing the air valve II;
4. and opening an air valve (16), injecting the air in the air chamber (11) into the defect position of the grouting sleeve, and recording the reading P of the barometer after the air pressure is stabilized.
5. The volume V of the defect site is read against the standard curve.
The utility model discloses detect device of steel sleeve grout plumpness, simple structure, detection accuracy are high, and easy operation.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
- The device for detecting the grouting fullness of the steel bar sleeve comprises 1 and devices, wherein the steel bar sleeve is provided with a grout outlet (7) and a grouting opening (8);the air pressure gauge is characterized by comprising an th air chamber (11), an air pressure gauge (14) used for detecting air pressure in the th air chamber, an air pump (15) used for conveying air into the th air chamber, an air balance connecting pipe (9) and a second air chamber (10), wherein the th air chamber (11) is connected with the air pressure gauge and the air pump through connecting pipes, the end of the air balance connecting pipe (9) is connected with an air outlet (12) in the th air chamber, the end of the air balance connecting pipe is detachably connected with the second air chamber (10) and the steel bar sleeve in a switching mode, a th air valve (17) is arranged on the air balance connecting pipe, and the second air chamber (10) is connected with.
- 2. The device for detecting grouting fullness of a steel sleeve, according to claim 1, wherein the barometer is connected to a pipe connecting the air pump with the air chamber.
- 3. The device for detecting the grouting fullness of a steel reinforcement sleeve, according to claim 2, wherein a second air valve (16) is arranged on a pipeline between the barometer and the air chamber.
- 4. A device for detecting the grouting fullness of a steel bar sleeve, according to claim 1, wherein the steel bar sleeve comprises a th concrete member (2), a th steel bar (3), a sleeve (4), a second steel bar (5), and a second concrete member (6), the th steel bar is prefabricated in the th concrete member (2) and extends into the sleeve, the sleeve (4) is prefabricated at the position of the th concrete member (2) near the end and penetrates through the end of the th concrete member (2), the second steel bar (5) is prefabricated in the second concrete member (6) and the end extends out of the end of the second concrete member (6) to form a connecting section, the connecting section is positioned in the sleeve (4) and is fixed by injecting concrete slurry through a slurry injection port (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005371.7U CN210005530U (en) | 2019-01-03 | 2019-01-03 | device for detecting grouting fullness of steel bar sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005371.7U CN210005530U (en) | 2019-01-03 | 2019-01-03 | device for detecting grouting fullness of steel bar sleeve |
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| CN210005530U true CN210005530U (en) | 2020-01-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991398A (en) * | 2019-01-03 | 2019-07-09 | 北京中建建筑科学研究院有限公司 | A kind of device and method of detection reinforced bar sleeve grouting plumpness |
| CN114778808A (en) * | 2022-05-16 | 2022-07-22 | 山东国建工程集团有限公司 | Building block mud plumpness detection device |
-
2019
- 2019-01-03 CN CN201920005371.7U patent/CN210005530U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991398A (en) * | 2019-01-03 | 2019-07-09 | 北京中建建筑科学研究院有限公司 | A kind of device and method of detection reinforced bar sleeve grouting plumpness |
| CN114778808A (en) * | 2022-05-16 | 2022-07-22 | 山东国建工程集团有限公司 | Building block mud plumpness detection device |
| CN114778808B (en) * | 2022-05-16 | 2024-04-02 | 山东国建工程集团有限公司 | Building block mud plumpness detection device |
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