CN110878633A - Grouting improvement method - Google Patents
Grouting improvement method Download PDFInfo
- Publication number
- CN110878633A CN110878633A CN201911139203.8A CN201911139203A CN110878633A CN 110878633 A CN110878633 A CN 110878633A CN 201911139203 A CN201911139203 A CN 201911139203A CN 110878633 A CN110878633 A CN 110878633A
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- China
- Prior art keywords
- steel pipe
- grouting
- formwork
- grout
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/025—Buckets specially adapted for use with concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a grouting improvement method, which comprises the following steps: step S1: after the templates are constructed in the formwork supporting process, a steel pipe or a steel pipe with a metal sheet connected to the surface is pre-buried between the templates; step S2: before grouting, installing a grouting hopper at an upper pipe orifice of the steel pipe; step S3: after the formwork is filled with the concrete, inserting the steel bars from the top of the formwork for vibration, and beating the bottom of the formwork by using an iron hammer; step S4: before the concrete is finally set, the grouting hopper is taken down from the steel pipe or the steel pipe with the surface connected with the metal sheet is taken out from the concrete. The grouting improvement method can effectively reduce the generation of gaps at the upper part of the reserved hole, does not need secondary plugging treatment after grouting, reduces the investment of manpower and materials, and reduces the construction cost.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to an improved method for grouting a wallboard and a reserved hole of a well chamber.
Background
In the construction of industrial building engineering, the grouting of a well chamber and the grouting of certain reserved holes are frequently encountered. In the conventional grouting mode, a grouting opening is reserved at the upper part of the opening, grouting is performed on the opening through the grouting opening, but a gap is formed at the top of the opening due to shrinkage of grouting materials, water leakage is caused, and then plugging is performed through injection of glue. This results in an increase in construction costs.
Disclosure of Invention
The present invention aims at providing an improved grouting method with simple structure and reasonable design to solve the above problems.
The invention realizes the purpose through the following technical scheme:
a grout improving method comprising the steps of:
step S1: after the templates are constructed in the formwork supporting process, a steel pipe or a steel pipe with a metal sheet connected to the surface is pre-buried between the templates;
step S2: before grouting, installing a grouting hopper at an upper pipe orifice of the steel pipe;
step S3: after the formwork is filled with the concrete, inserting the steel bars from the top of the formwork for vibration, and beating the bottom of the formwork by using an iron hammer;
step S4: before the concrete is finally set, the grouting hopper is taken down from the steel pipe or the steel pipe with the surface connected with the metal sheet is taken out from the concrete.
As a further optimization scheme of the invention, the grouting hopper comprises a funnel, a containing groove arranged at the top of the funnel, a handle arranged in the containing groove and a hollow threaded pipe connected to the lower end of the funnel, wherein the handle and the containing groove are connected through a rotating shaft.
As a further optimization scheme of the invention, internal threads are arranged in the upper port of the steel pipe, and when the grouting hopper is installed on the steel pipe, the hollow threaded pipe is screwed into the upper port of the steel pipe.
In a further preferred embodiment of the present invention, when the steel pipe with the metal piece connected to the surface thereof is taken out, the handle in the storage groove is rotated out, and then the funnel is lifted by the handle and the steel pipe is taken out at the same time.
As a further optimization scheme of the invention, when the steel pipe with the metal sheet on the surface is inserted between the formworks, a limiting plate needs to be erected at the upper end of the formworks, a limiting hole is formed in the limiting plate, and the steel pipe penetrates through the limiting hole.
As a further optimization scheme of the invention, the diameter of the limiting hole is larger than that of the steel pipe.
As a further optimization scheme of the invention, the diameter of the steel pipe is 48 mm.
The invention has the beneficial effects that: the invention can effectively reduce the generation of gaps at the upper part of the reserved hole, does not need secondary plugging treatment after grouting, reduces the investment of manpower and materials, and reduces the construction cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the invention with the steel tube mated to the metal sheet;
FIG. 3 is a schematic view of the construction of the grouting hopper of the present invention;
fig. 4 is a schematic view of a prior art grouting technique.
In the figure: 1. a template; 2. a steel pipe; 201. a metal sheet; 3. grouting hoppers; 301. a funnel; 302. a receiving groove; 303. a handle; 304. a hollow threaded pipe; 4. and a limiting plate.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1, a grout improving method comprises the steps of:
step S1: after the templates 1 are constructed in the template erecting process, a steel pipe 2 is pre-embedded between the templates 1, the diameter of the steel pipe 2 is 48mm, and when the steel pipe 2 does not need to be taken out, a smooth steel pipe 2 can be pre-embedded directly;
step S2: before grouting, a grouting hopper 3 is arranged at the upper pipe orifice of the steel pipe 2;
step S3: after the top of the formwork 1 is filled with the concrete, the concrete is inserted from the top of the formwork 1 by using a steel bar for vibration, and the bottom of the formwork 1 is beaten by using an iron hammer, so that the top of the opening can be filled with the concrete, and no gap is generated;
step S4: before the concrete is finally set, taking down the grouting hopper 3 from the steel pipe 2;
as shown in fig. 3, the grouting bucket 3 includes a funnel 301, a receiving groove 302 provided at the top of the funnel 301, a handle 303 provided in the receiving groove 302, and a hollow threaded pipe 304 connected to the lower end of the funnel 301, and the handle 303 and the receiving groove 302 are connected by a rotating shaft.
An internal thread is arranged in the upper port of the steel pipe 2, and when the grouting hopper 3 is installed on the steel pipe 2, the hollow threaded pipe 304 is screwed into the upper port of the steel pipe 2.
When the steel pipe 2 with the metal piece 201 connected to the surface thereof is taken out, the handle 303 in the storage groove 302 is rotated out, and the funnel 301 is lifted up by the handle 303 and the steel pipe 2 is taken out.
When inserting the steel pipe 2 with the metal sheet 201 on the surface between the formworks 1, a limiting plate 4 needs to be erected at the upper end of the formwork 1, a limiting hole is formed in the limiting plate 4, and the steel pipe 2 penetrates through the limiting hole.
The diameter of the limiting hole is larger than that of the steel pipe 2.
Example 2
As shown in fig. 2, a grout improving method comprises the steps of:
step S1: after the templates 1 are constructed in the formwork erecting process, a steel pipe 2 with metal sheets 201 connected on the surface is pre-buried between the templates 1, the diameter of the steel pipe 2 is 48mm, when the steel pipe 2 needs to be taken out, because the outer wall of the steel pipe 2 is smooth, a smooth inner wall can be formed inside a wall plate or a well chamber wall plate after the steel pipe 2 is taken out, so that a construction joint is easily formed, a plurality of metal sheets 201 such as iron sheets, steel sheets and the like need to be welded on the outer wall of the steel pipe 2, meanwhile, in order to facilitate the taking out of the steel pipe 2, the size of the metal sheets 201 needs to be in a state that the metal sheets 201 can be taken out and an irregular surface can be formed in concrete when the steel pipe 2 is taken out, so that the;
step S2: before grouting, a grouting hopper 3 is arranged at the upper pipe orifice of the steel pipe 2;
step S3: after the top of the formwork 1 is filled with the concrete, the concrete is inserted from the top of the formwork 1 by using a steel bar for vibration, and the bottom of the formwork 1 is beaten by using an iron hammer, so that the top of the opening can be filled with the concrete, and no gap is generated;
step S4: before concrete is finally solidified, taking out the steel pipe 2 with the metal sheet 201 connected to the surface from the concrete, and in order to prevent the steel pipe 2 from being taken out and the position from being changed, when the steel pipe 2 with the metal sheet 201 on the surface is inserted between the formworks 1, erecting a limiting plate 4 at the upper end of the formwork 1, wherein a limiting hole is formed in the limiting plate 4, the steel pipe 2 penetrates through the limiting hole, and the diameter of the limiting hole is larger than that of the steel pipe 2;
as shown in fig. 3, the grouting bucket 3 includes a funnel 301, a receiving groove 302 provided at the top of the funnel 301, a handle 303 provided in the receiving groove 302, and a hollow threaded pipe 304 connected to the lower end of the funnel 301, and the handle 303 and the receiving groove 302 are connected by a rotating shaft.
An internal thread is arranged in the upper port of the steel pipe 2, and when the grouting hopper 3 is installed on the steel pipe 2, the hollow threaded pipe 304 is screwed into the upper port of the steel pipe 2.
When the steel pipe 2 with the metal piece 201 connected to the surface thereof is taken out, the handle 303 in the storage groove 302 is rotated out, and the funnel 301 is lifted up by the handle 303 and the steel pipe 2 is taken out.
It should be noted that, compared with the existing grouting technology, as shown in fig. 4, a grouting opening is reserved at the upper end of the formwork 1, grouting is performed to the opening through the grouting opening, but a seam is formed at the top of the opening due to shrinkage of grouting material, the seam can cause water leakage, and then the leakage is stopped by injecting glue.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. A grout improving method, comprising the steps of:
step S1: after the templates (1) are constructed in the formwork supporting process, a steel pipe (2) or a steel pipe (2) with a metal sheet (201) connected to the surface is pre-buried between the templates (1);
step S2: before grouting, a grouting hopper (3) is arranged at an upper pipe orifice of the steel pipe (2);
step S3: after the formwork is filled with the concrete, inserting steel bars from the top of the formwork (1) for vibrating, and striking the bottom of the formwork (1) by an iron hammer;
step S4: before the concrete is finally set, the grouting hopper (3) is taken down from the steel pipe (2) or the steel pipe (2) with the surface connected with the metal sheet (201) is taken out from the concrete.
2. A grout modification method according to claim 1, wherein: grouting fill (3) including funnel (301), locate receiving groove (302) at funnel (301) top, locate handle (303) and the hollow screwed pipe (304) of connecting in funnel (301) lower extreme of receiving in groove (302), be connected through the rotation axis between handle (303) and the receiving groove (302).
3. A grout modification method according to claim 2, wherein: the inner thread is arranged in the upper port of the steel pipe (2), and when the grouting hopper (3) is installed on the steel pipe (2), the hollow threaded pipe (304) is screwed into the upper port of the steel pipe (2).
4. A grout modification method according to claim 2, wherein: when the steel pipe (2) with the metal sheet (201) connected to the surface is taken out, the handle (303) in the accommodating groove (302) is rotated out, and then the funnel (301) is lifted by the handle (303) and the steel pipe (2) is taken out at the same time.
5. A grout modification method according to claim 1, wherein: when inserting steel pipe (2) that the surface has sheetmetal (201) between template (1), need erect a limiting plate (4) in template (1) upper end, be equipped with spacing hole on limiting plate (4), steel pipe (2) are followed and are passed in the spacing hole.
6. A grout modification method according to claim 5, wherein: the diameter of the limiting hole is larger than that of the steel pipe (2).
7. A grout modification method according to claim 1, wherein: the diameter of the steel pipe (2) is 48 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139203.8A CN110878633A (en) | 2019-11-20 | 2019-11-20 | Grouting improvement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139203.8A CN110878633A (en) | 2019-11-20 | 2019-11-20 | Grouting improvement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110878633A true CN110878633A (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911139203.8A Pending CN110878633A (en) | 2019-11-20 | 2019-11-20 | Grouting improvement method |
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| CN (1) | CN110878633A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2249748C3 (en) * | 1972-10-11 | 1982-03-04 | Etablissement Interlago, Vaduz | Tubular guide device for pouring concrete mass from a concrete bucket into formwork cavities |
| KR20110005107U (en) * | 2009-11-17 | 2011-05-25 | 최수한 | Kettle for lifting sand |
| CN103469797A (en) * | 2013-09-03 | 2013-12-25 | 中设建工集团有限公司 | Post-grouting construction technique of PHC (prestressed high-strength concrete) tubular pile prefabricated connector |
| CN103541352A (en) * | 2013-08-02 | 2014-01-29 | 中冶集团武汉勘察研究院有限公司 | Underground and overground continuous construction method for major-diameter high flat bed pile in sandy soil stratum |
| CN105350777A (en) * | 2015-11-27 | 2016-02-24 | 中国一冶集团有限公司 | Device and method for one-time pouring molding of ultra-high concrete column |
| CN207079930U (en) * | 2017-08-02 | 2018-03-09 | 大同泰瑞集团建设有限公司 | A kind of efficiently centrifugal grouting device of shear wall through-wall bolt hole |
-
2019
- 2019-11-20 CN CN201911139203.8A patent/CN110878633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2249748C3 (en) * | 1972-10-11 | 1982-03-04 | Etablissement Interlago, Vaduz | Tubular guide device for pouring concrete mass from a concrete bucket into formwork cavities |
| KR20110005107U (en) * | 2009-11-17 | 2011-05-25 | 최수한 | Kettle for lifting sand |
| CN103541352A (en) * | 2013-08-02 | 2014-01-29 | 中冶集团武汉勘察研究院有限公司 | Underground and overground continuous construction method for major-diameter high flat bed pile in sandy soil stratum |
| CN103469797A (en) * | 2013-09-03 | 2013-12-25 | 中设建工集团有限公司 | Post-grouting construction technique of PHC (prestressed high-strength concrete) tubular pile prefabricated connector |
| CN105350777A (en) * | 2015-11-27 | 2016-02-24 | 中国一冶集团有限公司 | Device and method for one-time pouring molding of ultra-high concrete column |
| CN207079930U (en) * | 2017-08-02 | 2018-03-09 | 大同泰瑞集团建设有限公司 | A kind of efficiently centrifugal grouting device of shear wall through-wall bolt hole |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200313 |
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| RJ01 | Rejection of invention patent application after publication |