CN211955483U - A device for detecting sleeve grouting fullness - Google Patents

Abstract

The utility model provides a device for detecting the fullness of grouting of a sleeve, which comprises a concrete shell, a sleeve arranged close to the inner cavity of the concrete shell, steel bars arranged through the concrete shell and the sleeve, and a steel bar arranged through the concrete shell and one side of the sleeve. The grouting inlet and the grouting outlet, the grouting liquid is poured into the gap between the sleeve and the steel bar through the grouting inlet; the gas measuring device is provided outside the grouting outlet; the device of the utility model controls the grouting process, when V3 is equal to 0, the grouting is just qualified, if The unqualified grouting can be remedied immediately, avoiding the problem that cannot be remedied after the grouting is unqualified; the device is simple and practical, low in cost, easy to learn, and strong in operability; it has good promotion and practical value, and is widely popularized and applied It will produce good economic and social benefits.

Description

A device for detecting sleeve grouting fullness

technical field

The utility model relates to the technical field of building construction devices, in particular to a device for detecting the fullness of grouting sleeves.

Background technique

Common detection methods for sleeve grouting saturation include ultrasonic testing, resistivity testing, and X-ray testing. The above tests can detect whether the sleeve grouting is saturated to a certain extent, but most of the above testing methods are post-mortem testing. It can only be detected after the material has solidified. If the grouting is unqualified, it is difficult to remedy; in addition, most of the above detection methods require expensive equipment and instruments, and the requirements for instrument erection, debugging and calibration are also high.

Utility model content

The purpose of the utility model is to control the grouting process, if the grouting is unqualified, it can be remedied immediately, which solves the technical problem that the post-test results cannot be changed in the prior art. At the same time, the device takes into account the cost factor, uses common materials, simple structure design, and has strong operability.

The technical scheme of the utility model is achieved as follows: a device for detecting the fullness of grouting of a sleeve, comprising a concrete shell, a sleeve arranged close to the inner cavity of the concrete shell, steel bars arranged through the concrete shell and the sleeve, and a grouting through the concrete shell and the sleeve. A grouting inlet and a grouting outlet are provided on one side of the sleeve, and the grouting liquid is poured into the gap between the sleeve and the steel bar through the grouting inlet; the grouting outlet is provided with a gas measuring device.

Preferably, a sealing layer is provided between the grouting inlet and the concrete shell, and a sealing layer is provided between the grouting outlet and the concrete shell.

Preferably, the gas measuring device is a long cylindrical air bag, the long cylindrical air bag is provided with a scale on the outside, and the end is provided with a vent pipe, and a plurality of long cylindrical air bags can be connected to each other through the vent pipe.

Preferably, the gas measuring device includes a drainage irrigation and an effusion irrigation, and the volume of the water in the effusion irrigation is the volume of the injected grouting liquid.

The specific use steps are as follows:

(1) Accurately calculate the volume V1 of the grouting solution in the sleeve: the volume of V1 is the volume of the sleeve minus the volume of the steel bar; the inner wall of the sleeve is mostly a cylinder, and the volume of the deformed rib should also be included when calculating the volume of the steel bar.

(2) As a preferred method, epoxy resin is used to seal the gap between the grouting outlet and the grouting inlet and the concrete shell, which is the principle of sealing layer forming, to prevent the air in the sleeve from closing the grouting outlet and grouting during grouting. The gap between the inlet and the concrete shell contact leaks out.

(3) The long cylindrical air bag measures the exhaust gas volume. The long cylindrical air bag is designed as a cylindrical airtight plastic bag. The initial state is vacuum when not in use, and the shape is a flat plane; after inflation, it is a cylinder. Gas volume, the long cylindrical air bag can be reused. After each measurement of the gas volume, a vacuum pump is used to evacuate to remove the residual air inside.

(4) Fill in the grouting liquid through the grouting inlet, so that the air in the sleeve is squeezed through the grouting outlet into the long cylindrical air bag. When the grouting liquid just flows out of the grouting outlet, seal the long cylindrical air bag and read out Air volume V2.

(5) Calculate the difference V3 between V1 and V2. V3 is calculated by the formula V3=V1-V2. If V3 is equal to 0, it proves that the grouting material completely fills the sleeve; if V3 is greater than 0, V3 is equal to the volume of air existing in the sleeve, that is, the volume of grouting liquid that needs to be continued.

The beneficial effects of the utility model are as follows: the device of the utility model controls the grouting process, when V3 is equal to 0, the grouting is just qualified, and if the grouting is unqualified, it can be remedied immediately, avoiding the problem that the grouting cannot be remedied after the grouting is unqualified; The device is simple and practical, low in cost, easy to learn, and strong in operability; it has good popularization and practical value, and wide popularization and application will produce good economic and social benefits.

Description of drawings

1 is a schematic structural diagram of the first embodiment of a device for detecting sleeve grouting fullness of the present invention;

2 is a schematic structural diagram of a second embodiment of a device for detecting sleeve grouting fullness of the present invention;

Among them, 1. grouting outlet, 2. grouting inlet, 3. concrete shell, 4. steel bar, 5. grouting liquid, 6. sleeve, 7. gas measuring device, 8. sealing layer, 9. long cylindrical air bag, 91. Snorkel, 10. Drainage irrigation, 11. Fluid irrigation.

Detailed ways

In order to deepen the understanding of the present utility model, a device for detecting sleeve grouting fullness of the present utility model will be described in further detail below with reference to examples and accompanying drawings. This embodiment is only used to explain the present utility model and does not constitute protection of the present utility model. Scope limitation.

In the first embodiment, as shown in FIG. 1 , a device for detecting the fullness of grouting of a sleeve includes a concrete shell 3 , a sleeve 6 arranged close to the inner cavity of the concrete shell 3 , and steel bars arranged through the concrete shell 3 and the sleeve 6 . 4. The grouting inlet 2 and the grouting outlet 1 are provided through the concrete shell 3 and the side of the sleeve 6, and the grouting liquid 5 is poured into the gap between the sleeve 6 and the steel bar 4 through the grouting inlet 2; the grouting outlet 1 is equipped with a peripheral gas measuring device 7; a sealing layer 8 is provided between the grouting inlet 2 and the concrete shell 3, and a sealing layer 8 is provided between the grouting outlet 1 and the concrete shell 3; the gas measuring device 7 is a long cylindrical air bag 9, The air bag 9 is provided with a scale on the outside, and a vent tube 91 is provided at the end, and a plurality of long cylindrical air bags 9 can be connected to each other through the vent tube 91; during the grouting process, the exhaust air can be directly obtained by tightening the volume of the long cylindrical air bag 9 The volume V2.

In the second embodiment, as shown in FIG. 2 , a device for detecting the fullness of grouting of a sleeve includes a concrete shell 3 , a sleeve 6 disposed close to the inner cavity of the concrete shell 3 , and reinforcing bars disposed through the concrete shell 3 and the sleeve 6 . 4. The grouting inlet 2 and the grouting outlet 1 are provided through the concrete shell 3 and the side of the sleeve 6, and the grouting liquid 5 is poured into the gap between the sleeve 6 and the steel bar 4 through the grouting inlet 2; the grouting outlet 1 is equipped with a peripheral gas measuring device 7; a sealing layer 8 is provided between the grouting inlet 2 and the concrete shell 3, and a sealing layer 8 is provided between the grouting outlet 1 and the concrete shell 3; the gas measuring device 7 includes a drainage irrigation 10 and an accumulation irrigation 11, The volume of water in the effusion tank 11 is the volume V2 of the discharged air.

The specific use steps are as follows:

(1) Accurately calculate the volume V1 of the grouting solution 5 in the sleeve 6: the volume of V1 is the volume of the sleeve 6 minus the volume of the steel bar 4; the inner wall of the sleeve 6 is mostly a cylinder, when calculating the volume of the steel bar 4, the volume of the deformed rib Also counted.

(2) As a preferred method, epoxy resin is used to seal the gap between the grouting outlet 1 and the grouting inlet 2 and the concrete shell 3, which is the forming principle of the sealing layer 8 to prevent the air in the sleeve 6 from flowing from the grouting during grouting. Close the gap between the grouting outlet 1 and the grouting inlet 2 and the concrete shell 3 to leak out.

(3) The long cylindrical air bag 9 measures the exhaust gas volume. The long cylindrical air bag is designed as a cylindrical airtight plastic bag. The initial state is vacuum when not in use, and the shape is a flat plane; after inflation, it is a cylinder. Gas volume, the long cylindrical air bag can be reused. After each measurement of the gas volume, a vacuum pump is used to evacuate to remove the residual air inside.

(4) Pour the grouting liquid 5 through the grouting inlet 2, so that the air in the sleeve 6 is squeezed through the grouting outlet 1 and enters the long cylindrical air bag 9. When the grouting liquid 5 just flows out from the grouting outlet 1, seal the long Cylindrical air bag 9, read air volume V2.

(5) Calculate the difference V3 between V1 and V2. V3 is calculated by the formula V3=V1-V2. If V3 is equal to 0, it proves that the grouting material completely fills the sleeve; if V3 is greater than 0, V3 is equal to the volume of air existing in the sleeve, that is, the volume of grouting liquid that needs to be continued.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the protection scope of the present invention.

Claims (4)

1. a detection sleeve grouting plumpness device, it is characterized in that: comprise concrete shell (3), the sleeve (6) that is close to the concrete shell (3) inner cavity that is arranged, penetrates concrete shell (3) and sleeve ( 6) The steel bar (4) provided, the grouting inlet (2) and the grouting outlet (1) provided through the concrete shell (3) and the side of the sleeve (6), the grouting liquid (5) is poured into the concrete shell (2) through the grouting inlet (2). In the gap between the sleeve (6) and the steel bar (4); the grouting outlet (1) is provided with a gas measuring device (7). 2. a kind of detection sleeve grouting plumpness device according to claim 1, is characterized in that: be provided with sealing layer (8) between described grouting inlet (2) and concrete shell (3), grouting outlet (1) ) and the concrete shell (3) are provided with a sealing layer (8). 3. a kind of detection sleeve grouting plumpness device according to claim 2, is characterized in that: described gas measuring device (7) is long cylindrical air bag (9), outside long cylindrical air bag (9) A scale is provided, and a vent tube (91) is provided at the end, and a plurality of long cylindrical air bags (9) can be connected to each other through the vent tube (91). 4. a kind of detection sleeve grouting plumpness device according to claim 3, is characterized in that: described gas measuring device (7) comprises drainage irrigation (10) and effusion irrigation (11).

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