CN110568171A - method for detecting grouting fullness of pier connecting sleeve by applying water injection - Google Patents
method for detecting grouting fullness of pier connecting sleeve by applying water injection Download PDFInfo
- Publication number
- CN110568171A CN110568171A CN201910948524.6A CN201910948524A CN110568171A CN 110568171 A CN110568171 A CN 110568171A CN 201910948524 A CN201910948524 A CN 201910948524A CN 110568171 A CN110568171 A CN 110568171A
- Authority
- CN
- China
- Prior art keywords
- water injection
- connecting sleeve
- injection pipe
- pipe
- bridge pier
- 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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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000002347 injection Methods 0.000 title claims abstract description 75
- 239000007924 injection Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 12
- 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
- 239000002002 slurry Substances 0.000 claims description 15
- 239000004593 Epoxy Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 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 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011257 shell material Substances 0.000 description 2
- 238000007569 slipcasting Methods 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for detecting grouting fullness of a bridge pier connecting sleeve by water injection, which adopts a 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; a water injection pipe is arranged in the sleeve, one end of the water injection pipe is fixed on the sealing ring, and the other end of the water injection pipe is arranged outside the connecting sleeve; two ends of the water injection pipe are provided with plugs; the method comprises the following steps: firstly, processing a connecting main rib, a connecting sleeve, a sealing ring and a water injection pipe, wherein the water injection pipe is stuck on the sealing ring; secondly, mounting the connecting main bar, the connecting sleeve, the sealing ring and the water 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 water into the barrel through a water injection pipe after the mortar reaches the design strength, and calculating the plumpness of the mortar according to the water injection amount. 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 pier connecting sleeve by using water injection.
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. 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 injecting water, and a product thereof.
disclosure of Invention
The invention provides a method for detecting grouting fullness of a bridge pier connecting sleeve by water injection.
Specifically, the invention is realized by the following technical scheme:
A method for detecting grouting fullness of a bridge pier connecting sleeve by water injection comprises the steps of adopting a bridge pier connecting sleeve, wherein a main connecting rib is arranged in the hollow interior of the connecting sleeve and penetrates 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; a water injection pipe is arranged in the connecting sleeve, one end of the water injection pipe is connected with the sealing ring in the connecting sleeve, and the other end of the water injection pipe penetrates out of the connecting sleeve and is arranged outside the connecting sleeve; two ends of the water injection pipe are provided with plugs;
The method comprises the following steps:
processing a connecting main rib, a connecting sleeve, a sealing ring and a water injection pipe according to a design drawing, adhering the water injection pipe on the sealing ring, and firmly plugging two ends of the water injection pipe by using plugs;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars, the connecting sleeves, the sealing rings and the water injection pipes are installed in place;
thirdly, after the pier reinforcing steel bars are manufactured, installing a pier template, pouring pier concrete, maintaining the pier, and dismantling the pier template system after the strength of the concrete slab is achieved;
Transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier in place, and injecting mortar into the connecting sleeve through a grouting pipe to complete the prefabricated bridge pier connecting structure;
and fifthly, after the mortar reaches the design strength, injecting water into the connecting sleeve by using water injection equipment through a water injection pipe, and calculating the plumpness of the slurry according to the water injection amount.
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; the lower part of the cylinder wall is provided with a grouting pipe, the upper part of the cylinder wall is provided with a slurry outlet pipe, and the grouting pipe and the slurry outlet pipe are both hollow and communicated with the hollow interior of the cylinder; the water injection pipe passes through the slurry outlet pipe.
further, the water injection pipe is connected with the sealing ring through an epoxy layer.
Preferably, the cylinder is embodied as a cast iron pipe.
The pier connecting sleeve is internally provided with the water injection pipe, the water injection pipe is 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 safety of the integral structure of the pier is not influenced by the arrangement of the water injection pipe; meanwhile, water is injected into a water injection pipe reserved in the slurry outlet pipe, so that the space which is not filled with the grouting material in the connecting sleeve is filled with the water, the volume of the grouting material gap is expressed by adopting the volume of the injected water, and the fullness of the grouting material in the connecting sleeve is calculated; meanwhile, the water injected into the connecting sleeve can be evaporated along with 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. a water injection pipe; 51. 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 water injection, which adopts the pier connecting sleeve 1, wherein the pier connecting sleeve 1 comprises a cylinder 4, a grout outlet pipe 3 and a grouting pipe 2; the cylinder 4 is hollow; the barrel 4 is provided with slip casting pipe 2 on the lower part section of thick bamboo wall, is provided with out thick liquid pipe 3 on the upper portion section of thick bamboo wall, and slip casting pipe 2 all is hollow with out thick liquid pipe 3 inside, with the inside intercommunication of barrel 4 cavity.
the connecting sleeve 1 is provided with a main connecting rib 6 in the hollow interior, and the main connecting rib 6 penetrates through the upper end and the lower end of the connecting sleeve 1. Mortar 7 is filled in a gap between the main connecting rib 6 and the connecting sleeve 1; the top end of the connecting sleeve 1 is provided with a sealing ring 8, and the sealing ring 8 is positioned between the connecting sleeve 1 and the main connecting rib 6.
the sealing ring 8 is matched with the connecting sleeve 1, so that the connecting sleeve 1 is prevented from being blocked by concrete slurry leakage when the pier is poured. The material of the sealing ring 8 can be selected from rubber.
A water injection pipe 5 is fixed on the inner wall of the upper end of the cylinder 4, one end of the water injection pipe 5 is connected with the inner wall of the upper end of the cylinder 4 or a sealing ring 8 in the cylinder 4, and the other end of the water injection pipe 5 penetrates through the inside of the slurry outlet pipe 3 and is arranged outside the cylinder 4; two ends of the water injection pipe 5 are firmly blocked by plugs 51 respectively to prevent the water injection pipe 5 from being blocked during grouting; when detecting, take off the end cap 51 of the water injection pipe 5 outside the connecting sleeve 1, use water injection equipment to inject water into the water injection pipe 5, utilize water pressure to extrude the end cap 51 of the water injection pipe 5 inside the connecting sleeve 1, and the water flows into the connecting sleeve 1.
a concrete mode that water injection pipe 5 and barrel 4 are fixed does: epoxy glue is smeared on the surface of the water injection pipe 5 to form an epoxy layer 9, and the water injection pipe 5 is fixed on the top end of the inner wall of the cylinder 4 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 water injection comprises the following steps:
Processing a connecting main rib 6, a connecting sleeve 1, a sealing ring 8 and a water injection pipe 5 according to a design drawing, adhering the water injection pipe 5 on the sealing ring 8 by using an epoxy layer 9, and firmly plugging two ends of the water injection pipe 5 by using plugs 51;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars 6, the connecting sleeve 1, the sealing rings 8 and the water injection pipes 5 are installed in place;
Thirdly, after the pier reinforcing steel bars are manufactured, installing a pier template, pouring pier concrete, maintaining the pier, and dismantling the pier template system after the strength of the concrete slab is achieved;
transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier in place, and injecting mortar 7 into the connecting sleeve 1 through the grouting pipe 2 to complete the prefabricated bridge pier connecting structure;
and fifthly, after the mortar 7 reaches the design strength, injecting water into the connecting sleeve 1 through a water injection pipe 5 by using water injection equipment, and calculating the plumpness of the slurry according to the water injection amount.
In the invention, the size of the connecting main rib 6 and the concentration of the mortar 7 are determined by the existing specifications.
In the invention, the structural sizes and the strength grades of the grouting pipe 2, the cylinder 4 and the grout outlet pipe 3 are determined by calculation according to the existing specifications.
In the invention, the size and the material strength of the water injection pipe 5 are determined according to design requirements.
In the present invention, the size and material design of the plug 51 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, the inner diameter of the bottom of the connecting sleeve is connected with a bearing platform, 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.
The specific dimensions of one water injection pipe 5 are: the total length of the water injection pipe 5 is 250mm, and the diameter is 5 mm.
The plug 51 is matched with the water injection pipe 5, and the material of the plug 51 can be rubber.
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 (4)
1. The method for detecting grouting fullness of the bridge pier connecting sleeve by using water injection is characterized by comprising the following steps of: the bridge pier connecting sleeve is adopted, a main connecting rib is arranged in the hollow interior of the connecting sleeve, and the main connecting rib penetrates 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; a water injection pipe is arranged in the connecting sleeve, one end of the water injection pipe is connected with the sealing ring in the connecting sleeve, and the other end of the water injection pipe penetrates out of the connecting sleeve and is arranged outside the connecting sleeve; two ends of the water injection pipe are provided with plugs;
The method comprises the following steps:
processing a connecting main rib, a connecting sleeve, a sealing ring and a water injection pipe according to a design drawing, adhering the water injection pipe on the sealing ring, and firmly plugging two ends of the water injection pipe by using plugs;
Secondly, according to design requirements, when the bridge pier steel bars are manufactured, the connecting main bars, the connecting sleeves, the sealing rings and the water injection pipes are installed in place;
Thirdly, after the pier reinforcing steel bars are manufactured, installing a pier template, pouring pier concrete, maintaining the pier, and dismantling the pier template system after the strength of the concrete slab is achieved;
transporting the prefabricated bridge pier to a construction site, installing the prefabricated bridge pier in place, and injecting mortar into the connecting sleeve through a grouting pipe to complete the prefabricated bridge pier connecting structure;
And fifthly, after the mortar reaches the design strength, injecting water into the connecting sleeve by using water injection equipment through a water injection pipe, and calculating the plumpness of the slurry according to the water injection amount.
2. The method for detecting grouting fullness of a bridge pier connecting sleeve by water injection according to claim 1, wherein the method comprises the following steps: the bridge pier connecting sleeve comprises a cylinder, a grouting pipe and a grout outlet pipe; the interior of the cylinder body is hollow; the lower part of the cylinder wall is provided with a grouting pipe, the upper part of the cylinder wall is provided with a slurry outlet pipe, and the grouting pipe and the slurry outlet pipe are both hollow and communicated with the hollow interior of the cylinder; the water injection pipe passes through the slurry outlet pipe.
3. The method for detecting grouting fullness of a bridge pier connecting sleeve by water injection according to claim 2, wherein the method comprises the following steps: the cylinder is a cast iron pipe.
4. The method for detecting grouting fullness of a bridge pier connecting sleeve by water injection according to claim 1, wherein the method comprises the following steps: the water injection pipe is connected with the sealing ring through an epoxy layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910948524.6A CN110568171A (en) | 2019-10-08 | 2019-10-08 | method for detecting grouting fullness of pier connecting sleeve by applying water injection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910948524.6A CN110568171A (en) | 2019-10-08 | 2019-10-08 | method for detecting grouting fullness of pier connecting sleeve by applying water injection |
Publications (1)
Publication Number | Publication Date |
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CN110568171A true CN110568171A (en) | 2019-12-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910948524.6A Withdrawn CN110568171A (en) | 2019-10-08 | 2019-10-08 | method for detecting grouting fullness of pier connecting sleeve by applying water injection |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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
- 2019-10-08 CN CN201910948524.6A patent/CN110568171A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191213 |
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WW01 | Invention patent application withdrawn after publication |