CN110568170A - Method for detecting grouting fullness of pier connecting sleeve by applying air bag - Google Patents
Method for detecting grouting fullness of pier connecting sleeve by applying air bag Download PDFInfo
- Publication number
- CN110568170A CN110568170A CN201910948350.3A CN201910948350A CN110568170A CN 110568170 A CN110568170 A CN 110568170A CN 201910948350 A CN201910948350 A CN 201910948350A CN 110568170 A CN110568170 A CN 110568170A
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- CN
- China
- Prior art keywords
- connecting sleeve
- air bag
- injection pipe
- pipe
- bridge pier
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 51
- 239000007924 injection Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 23
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000011257 shell material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Architecture (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Ceramic Engineering (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
the invention discloses a method for detecting grouting fullness of a bridge pier connecting sleeve by applying an air bag, which adopts the bridge pier connecting sleeve, wherein a connecting main rib is arranged in the hollow interior of the connecting sleeve; the top end of the connecting sleeve is provided with a sealing ring; the sleeve is internally provided with an air bag and an air injection pipe, and the other end of the air injection pipe is arranged outside the connecting sleeve; the method comprises the following steps: firstly, processing a connecting main rib, a connecting sleeve, a sealing ring, an air bag and an air injection pipe, wherein the air bag is adhered to the sealing ring; secondly, mounting the connecting main rib, the connecting sleeve, the sealing ring, the air bag and the air injection pipe in place when the bridge pier steel bar is manufactured; thirdly, pouring to finish the prefabricated bridge pier; fourthly, the prefabricated bridge pier is installed in place, and mortar is injected into the connecting sleeve; and fifthly, injecting gas into the air bag in the barrel through a gas injection pipe after the mortar reaches the design strength, and calculating the slurry plumpness according to the gas injection quantity. The detection method relates to the field of assembly type buildings, the connecting sleeve is convenient to assemble, and the method is simple to operate.
Description
Technical Field
the invention relates to the field of fabricated buildings, in particular to a method for detecting grouting fullness of a bridge pier connecting sleeve by using an air bag.
background
With the further advance of bridge industrialization, the traditional construction mode of casting all on site is gradually changed into a construction mode of prefabricating a part or most of components in factory and then transporting the prefabricated components to the site for installation, and compared with the traditional construction method, the industrial production mode firstly solves the problem of the connection mode among the prefabricated components. In the process of bridge industrialization, an upper structure is earlier than a lower structure, the bridge industrialization mainly refers to the industrialization of the lower structure at present, namely a pier and a capping beam, wherein a prefabricated pier and a bearing platform are generally connected by a sleeve; because the intensity of the cylinder body of the connecting sleeve is far higher than the intensity of the slurry in the cylinder body, the plumpness of the low-strength slurry in the high-strength shell is very difficult to detect by adopting rays, and meanwhile, due to the diffraction effect of the high-strength shell material, whether the slurry in the connecting sleeve is full or not can not be detected by adopting ultrasonic waves, so that the industrial development of bridges can be seriously prevented.
in view of the above problems, the present invention provides a method for detecting grouting fullness of a bridge pier connection sleeve by using an air bag, and the method is provided.
Disclosure of Invention
The invention provides a method for detecting grouting fullness of a bridge pier connecting sleeve by using an air bag.
Specifically, the invention is realized by the following technical scheme:
A method for detecting grouting fullness of a bridge pier connecting sleeve by using an air bag adopts a bridge pier connecting sleeve, and a connecting main rib is arranged in the hollow interior of the connecting sleeve; the connecting main ribs are arranged in the hollow part of the connecting sleeve and penetrate through the upper end and the lower end of the connecting sleeve; the top end of the connecting sleeve is provided with a sealing ring which is positioned between the connecting sleeve and the connecting main rib; mortar is filled in the gap between the main connecting rib and the connecting sleeve; the top end in the connecting sleeve is provided with an air bag which is fixed on the sealing ring, the air bag is connected with an air injection pipe, one end of the air injection pipe is connected with the air bag, and the other end of the air injection pipe penetrates through the inside of the connecting sleeve and is arranged outside the cylinder body; a plug is assembled at one end of the gas injection pipe which is arranged outside the connecting sleeve;
The method comprises the following steps:
Processing a connecting main rib, a connecting sleeve, a sealing ring, a gas injection pipe and a gas bag according to a design drawing, adhering the gas bag on the sealing ring, and firmly plugging one end of the gas injection pipe outside the connecting sleeve by using a plug;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars, the connecting sleeve, the sealing ring, the gas injection pipe and the gas bag are installed in place;
Thirdly, after the pier reinforcing steel bars are manufactured, installing pier templates, pouring pier concrete, maintaining the piers in a factory, and dismantling the pier template system after the strength of the concrete slabs is achieved;
Transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier on a bearing platform in place, and then injecting mortar into the connecting sleeve through a grouting pipe to complete the prefabricated bridge pier connecting structure;
And fifthly, after the grouting slurry reaches the strength, injecting gas into the air bag pre-embedded in the connecting sleeve through a gas injection pipe by using gas injection equipment, and calculating the fullness of the slurry according to the gas injection quantity.
further, the bridge pier connecting sleeve comprises a cylinder, a grouting pipe and a grout outlet pipe; the interior of the cylinder body is hollow; a grouting pipe is arranged on the lower part of the cylinder wall of the cylinder body, a slurry outlet pipe is arranged on the upper part of the cylinder wall, and the grouting pipe and the slurry outlet pipe are hollow and are connected with the hollow interior of the cylinder body; the gas injection pipe passes through the slurry outlet pipe.
Further, the air bag and the sealing ring are connected through an epoxy layer.
Preferably, the cylinder is embodied as a cast iron pipe.
furthermore, the middle part of the air bag is hollow and is used for being matched with and connected with a main rib to penetrate through.
the pier connecting sleeve is internally provided with the air bag, and the air bag is connected with the air injection pipe, wherein the air bag and the air injection pipe are arranged in the connecting sleeve in advance when the pier is prefabricated, and any detection device is not required to be arranged in the connecting sleeve subsequently, so that the aims of quick assembly and quick detection are fulfilled, and meanwhile, the arrangement of the air bag and the air injection pipe does not influence the safety of the integral structure of the pier; meanwhile, the air bag connected with the slurry outlet pipe is inflated by injecting air into the air injection pipe reserved in the slurry outlet pipe, the air bag filled with air fills the space which is not filled with the grouting material in the connecting sleeve, the slurry gap is expressed by the volume of the injected air, and the fullness of the slurry in the connecting sleeve is calculated, so that the implementation process is simple, and the condition that the gap in the connecting sleeve cannot be scanned by rays due to the wall thickness and the characteristics of the slurry material is avoided; meanwhile, the gas injected into the connecting sleeve can be discharged at any time, and no potential safety hazard is generated to the structure of the pier.
drawings
FIG. 1 is a schematic diagram of one particular embodiment of the present invention;
Fig. 2 is a partial structural schematic diagram of the present invention.
Wherein: 1. a connecting sleeve; 2. a grouting pipe; 3. a pulp outlet pipe; 4. a barrel; 5. an air bag; 51. a gas injection pipe; 52. a plug; 6. connecting the main ribs; 7. mortar; 8. a seal ring; 9. and (3) an epoxy layer.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and detailed description.
as shown in fig. 1 and 2, the invention provides a method for detecting grouting fullness of a pier connecting sleeve 1 by using an air bag 5, the method adopts the pier connecting sleeve 1 with the air bag 5, and the pier connecting sleeve 1 comprises a cylinder body 4, a grout outlet pipe 3 and a grouting pipe 2; the cylinder 4 is hollow; a grouting pipe 2 is arranged on the lower part of the cylinder wall of the cylinder body 4, a grout outlet pipe 3 is arranged on the upper part of the cylinder wall, and the grouting pipe 2 and the grout outlet pipe 3 are hollow and communicated with the hollow interior of the cylinder body 4; an air bag 5 is fixed on the inner wall of the top end of the cylinder 4, an air injection pipe 51 is connected to the air bag 5, one end of the air injection pipe 51 is connected with the air bag 5, and the other end of the air injection pipe passes through the inside of the pulp outlet pipe 3 and is arranged outside the cylinder 4; the end of the gas injection pipe 51, which is arranged outside the cylinder 4, is firmly blocked by a plug 52 so as to prevent the gas injection pipe 51 from being blocked during grouting.
The connecting sleeve is hollow, a main connecting rib 6 is arranged in the connecting sleeve, and the main connecting rib 6 penetrates through the upper end and the lower end of the connecting sleeve. Mortar 7 is filled in a gap between the main connecting rib 6 and the connecting sleeve; and a sealing ring 8 is arranged at the top end of the sleeve, and the sealing ring 8 is positioned between the sleeve and the main connecting rib 6.
the sealing ring is matched with the connecting sleeve, so that the connecting sleeve is prevented from being blocked by concrete slurry leakage when the pier is poured.
A concrete mode for fixing the air bag 5 and the cylinder 4 is as follows: epoxy glue is coated on the air bag 5 to form an epoxy layer 9, and the air bag 5 is fixed on the top end of the inner wall of the pipe body or at the position of the sealing ring 8 by utilizing the viscosity of the epoxy glue.
A method for detecting grouting fullness of a pier connecting sleeve 1 by using an air bag 5 comprises the following steps:
Processing a connecting main rib 6, a connecting sleeve 1, a sealing ring 8, a gas injection pipe 51 and a gas bag 5 according to a design drawing, adhering the gas bag 5 on the sealing ring 8, and plugging and fixing one end of the gas injection pipe 51, which is positioned outside the connecting sleeve 1, by a plug 52;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars 6, the connecting sleeve 1, the sealing ring 8, the gas injection pipe 51 and the gas bag 5 are installed in place;
thirdly, after the pier reinforcing steel bars are manufactured, installing pier templates, pouring pier concrete, maintaining the piers in a factory, and dismantling the pier template system after the strength of the concrete slabs is achieved;
Transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier on a bearing platform in place, and then injecting mortar 7 into the connecting sleeve 1 through the grouting pipe 2 to complete the prefabricated bridge pier connecting structure;
And (V) after the grouting slurry reaches the strength, injecting 5 gas into the gas bag pre-embedded in the connecting sleeve 1 through a gas injection pipe 51 by using gas injection equipment, and calculating the plumpness of the slurry according to the gas injection quantity.
in the present invention, the size of the tie bars 6 and the concentration of the mortar 7 therein are determined by the existing specifications.
in the invention, the structural sizes and the strength grades of the grouting pipe 2, the cast iron pipe and the grout outlet pipe 3 are determined by calculation according to the existing specifications.
in the invention, the air bag 5 is adhered to the sealing ring 8 by the epoxy layer 9, the air injection pipe 51 of the air bag 5 penetrates through the grout outlet pipe 3 to be connected with the air bag 5, and the sizes and the material strengths of the air injection pipe 51 and the air bag 5 are determined according to the design requirements.
in the present invention, a stopper 52 is provided at one end of the gas injection pipe 51 to prevent the slurry from clogging the gas injection pipe 51 during grouting. The size and material design of the plug 52 needs to be determined.
The specific dimensions of a coupling sleeve 1 are: the total length of the connecting sleeve 1 is 810mm, the outer diameter is 95mm, the inner diameter of the bottom of the connecting sleeve is 70mm, the inner diameter of the bottom of the connecting sleeve is 60mm, and the distance between the center of a grouting opening and the edge of the bottom of the connecting sleeve is 50 mm. The material of the connecting sleeve 1 can be selected from cast iron.
Specific dimensions of one type of gas-injection tube 51 are: the gas-injection pipe 51 had an overall length of 250mm and a diameter of 5 mm.
The plug 52 is matched with the gas injection pipe 51, and the material of the plug 52 can be rubber.
The material of the sealing ring 8 can be selected from rubber.
The mortar 7 is a special grouting material.
The air bag 5 is of an annular hollow structure because the connecting main rib 6 needs to penetrate through the middle of the air bag 5.
a particular dimension of the balloon 5 is 41mm internal diameter and 45mm external diameter, with 5mm being of hollow construction for inflation. The material of the air bag 5 can be selected from rubber products.
The above is the preferred embodiment of the present invention, and several other simple substitutions and modifications made on the premise of the inventive concept should be considered as falling into the protection scope of the present invention.
Claims (5)
1. A method for detecting grouting fullness of a bridge pier connecting sleeve by using an air bag is characterized by comprising the following steps: the bridge pier connecting sleeve is adopted, and a main connecting rib is arranged in the hollow interior of the connecting sleeve; the connecting main ribs are arranged in the hollow part of the connecting sleeve and penetrate through the upper end and the lower end of the connecting sleeve; the top end of the connecting sleeve is provided with a sealing ring which is positioned between the connecting sleeve and the connecting main rib; mortar is filled in the gap between the main connecting rib and the connecting sleeve; the top end in the connecting sleeve is provided with an air bag which is fixed on the sealing ring, the air bag is connected with an air injection pipe, one end of the air injection pipe is connected with the air bag, and the other end of the air injection pipe penetrates through the inside of the connecting sleeve and is arranged outside the cylinder body; a plug is assembled at one end of the gas injection pipe which is arranged outside the connecting sleeve;
the method comprises the following steps:
Processing a connecting main rib, a connecting sleeve, a sealing ring, a gas injection pipe and a gas bag according to a design drawing, adhering the gas bag on the sealing ring, and firmly plugging one end of the gas injection pipe outside the connecting sleeve by using a plug;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars, the connecting sleeve, the sealing ring, the gas injection pipe and the gas bag are installed in place;
thirdly, after the pier reinforcing steel bars are manufactured, installing pier templates, pouring pier concrete, maintaining the piers in a factory, and dismantling the pier template system after the strength of the concrete slabs is achieved;
Transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier on a bearing platform in place, and then injecting mortar into the connecting sleeve through a grouting pipe to complete the prefabricated bridge pier connecting structure;
And fifthly, after the grouting slurry reaches the strength, injecting gas into the air bag pre-embedded in the connecting sleeve through a gas injection pipe by using gas injection equipment, and calculating the fullness of the slurry according to the gas injection quantity.
2. the method for detecting grouting fullness of an abutment connection sleeve by using an air bag according to claim 1, wherein: the bridge pier connecting sleeve comprises a cylinder, a grouting pipe and a grout outlet pipe; the interior of the cylinder body is hollow; a grouting pipe is arranged on the lower part of the cylinder wall of the cylinder body, a slurry outlet pipe is arranged on the upper part of the cylinder wall, and the grouting pipe and the slurry outlet pipe are hollow and are connected with the hollow interior of the cylinder body; the gas injection pipe passes through the slurry outlet pipe.
3. The method for detecting grouting fullness of an abutment connection sleeve by using an air bag according to claim 1, wherein: the air bag is connected with the sealing ring through an epoxy layer.
4. The method for detecting grouting fullness of an abutment connection sleeve by using an air bag according to claim 2, wherein: the cylinder is a cast iron pipe.
5. The method for detecting grouting fullness of an abutment connection sleeve by using an air bag according to claim 1, wherein: the middle part of the air bag is hollow and is used for being matched with and connected with a main rib to penetrate through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948350.3A CN110568170A (en) | 2019-10-08 | 2019-10-08 | Method for detecting grouting fullness of pier connecting sleeve by applying air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948350.3A CN110568170A (en) | 2019-10-08 | 2019-10-08 | Method for detecting grouting fullness of pier connecting sleeve by applying air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110568170A true CN110568170A (en) | 2019-12-13 |
Family
ID=68783950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948350.3A Withdrawn CN110568170A (en) | 2019-10-08 | 2019-10-08 | Method for detecting grouting fullness of pier connecting sleeve by applying air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110568170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827582A (en) * | 2020-07-24 | 2020-10-27 | 江苏建筑职业技术学院 | Grouting sleeve |
| CN111827681A (en) * | 2020-07-23 | 2020-10-27 | 吴云 | Grouting process for longitudinal prefabricated part |
-
2019
- 2019-10-08 CN CN201910948350.3A patent/CN110568170A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827681A (en) * | 2020-07-23 | 2020-10-27 | 吴云 | Grouting process for longitudinal prefabricated part |
| CN111827582A (en) * | 2020-07-24 | 2020-10-27 | 江苏建筑职业技术学院 | Grouting sleeve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191213 |