CN111550045B - Secondary grouting steel formwork for embedded steel column foot plate and construction method thereof - Google Patents
Secondary grouting steel formwork for embedded steel column foot plate and construction method thereof Download PDFInfo
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- CN111550045B CN111550045B CN202010548750.8A CN202010548750A CN111550045B CN 111550045 B CN111550045 B CN 111550045B CN 202010548750 A CN202010548750 A CN 202010548750A CN 111550045 B CN111550045 B CN 111550045B
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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Abstract
The invention discloses a secondary grouting steel template for an embedded steel column foot plate and a construction method thereof. The invention does not need to expand and reserve the grouting hole, thus effectively reducing the use of grouting material. The site operation of construction operators is flexible and convenient, the operators do not need to enter the inner side of the steel bar, and the efficiency is greatly improved. The template can be repeatedly used, the manufacturing time is reduced, and meanwhile, the waste of template materials is avoided.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a secondary grouting steel formwork for an embedded steel column foot plate and a construction method thereof.
Background
Along with the development of times, the structural design of buildings increases the requirements of people on the diversity of structural shapes, cost economy and rapid construction of buildings. The designer takes full advantage of the characteristics of various materials to bring the stress system of the building into the best state. The steel has the characteristics of high strength, light dead weight, large rigidity, ultra-high weight and suitability for ultra-heavy buildings, so the steel is used for building urban landmark buildings and is commonly adopted by single large-span buildings. Meanwhile, the construction is quick, the steel structural section can be produced in a factory in a large scale, the framework is assembled in the factory and assembled on site, and the construction of the framework of a house can be completed within normal design time. The concrete has the characteristics of high compressive strength and good durability, most building foundations are made of concrete, and the characteristics of the concrete and steel are combined to play respective advantages, so that the stiff concrete with various combined structures is widely used. The steel pipe concrete, the section steel concrete and the composite floor slab are used in landmark buildings, super high-rise buildings and large-scale meeting buildings to different degrees. At present, the steel column and the concrete foundation are connected by adopting embedded foundation bolts in foundation concrete to be connected with steel column base plates through bolts, elevation and vertical control of the steel column are carried out through iron pads or bolts below the base plates, and finally secondary grouting pouring between the base plates and the foundation is carried out, so that the steel column and the foundation can be fully and closely combined, and the requirement of load transmission is met.
The foundation of the project 'Zhongmeng exposition permanent international convention and exhibition center' is a concrete independent foundation, the main structure column is a steel tube concrete column, the steel column is in a circular form or a square form, and the steel columns are designed to be embedded column bases according to stress characteristics. The steel column base plate extends to the top of the foundation and is connected with the embedded bolt, and the reinforced concrete column base is constructed after the secondary grouting strength reaches the standard, so that the steel column base plate and the foundation are cast in situ into a whole. Because of there is the package column foot to reserve the dowel steel in the independent basis outside round, the dowel steel is double and specification diameter is great, and it is narrow and small to lead to the space between foundation top surface reserved steel bar and the steel column, and personnel get into the difficulty, and secondary grout template is established the difficulty and is strengthened, and the difficult mould that appears rising of assurance of installation template quality, the thick liquid phenomenon that leaks often. So that the grouting material is wasted greatly, the template installation efficiency is low, and the construction cost is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the secondary grouting steel formwork for the embedded steel column foot plate and the construction method thereof have the advantages that the grouting holes do not need to be expanded outwards, the use of grouting materials is effectively reduced, the operation is simple and flexible, personnel do not need to enter the inner side of the steel bars, the problem that the space between the reserved steel bars and the steel column is narrow and small, the personnel cannot enter the secondary grouting steel formwork, the secondary grouting formwork is increased in erection difficulty, and the formwork expansion and slurry leakage phenomena are not prone to being guaranteed in the quality of the installed formwork. So that the grouting material is wasted greatly, the efficiency of installing the template is low, and the construction cost is increased.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a secondary grouting steel template for an embedded steel column foot plate comprises two first splicing plates, a second splicing plate and a third splicing plate, wherein the two first splicing plates are parallel to each other and are respectively attached to two sides of the steel column foot plate in parallel, the second splicing plate is perpendicular to the first splicing plates and is attached to the other side of the steel column foot plate, one end of each first splicing plate extends outwards to form a sliding support section, the tail end of the sliding support section protrudes upwards to form a clamping table, the clamping table part continues to extend outwards to form a fixed plate installation section, a fixed support force transmission plate with a plate surface parallel to the second splicing plate is installed at the bottom of the fixed plate installation section, a threaded hole is formed in the fixed support force transmission plate in a penetrating mode, a transmission screw rod is screwed in the threaded hole, the third splicing plate is slidably supported on the sliding support section and is attached to the clamping table, the third splicing plate is parallel to the second splicing plate, the third splicing plate is matched with the steel column foot plate to form a secondary grouting opening, one end of the transmission screw rod is pressed on the third splicing plate in a pushing mode, the transmission screw rod is screwed to push the third splicing plate to be close to the steel column foot plate until the third splicing plate is attached to the steel column foot plate so that grouting materials in the secondary grouting port can be pushed to the bottom of the steel column foot plate.
A transmission screw rod handle which is convenient for twisting the rotation screw rod is fixed on the transmission screw rod,
the two first splicing plates are rectangular plates with the same structure, the top of each first splicing plate is provided with two fixed clamping grooves which are arranged at intervals, the second splicing plate and the third splicing plate are rectangular plates with the same structure, the bottoms of the second splicing plate and the third splicing plate are provided with two fixed clamping grooves which are arranged at intervals,
the fixed clamping groove on the second splicing plate is clamped in the fixed clamping groove of the first splicing plate far away from the sliding support section, the fixed clamping groove of the third splicing plate is slidably supported in the sliding support section, and the fixed clamping groove of the third splicing plate is clamped into the fixed clamping groove of the first splicing plate close to the sliding support section under the pushing of the rotating screw rod.
The fixed plate installation section bottom seted up fixed slot, the fixed stay dowel steel is established in fixed plate installation section bottom through fixed slot card.
The construction method of the secondary grouting steel template for the embedded steel column foot plate comprises the following steps:
firstly, two first splicing plates are closely placed on two sides of a steel column base plate in parallel, then a fixed clamping groove at the bottom of a second splicing plate is clamped in a fixed clamping groove at the top of the two first splicing plates, and the second splicing plate and the two first splicing plates are fixedly installed together;
secondly, slidably supporting a fixed clamping groove at the bottom of a third splicing plate on a sliding supporting section of the first splicing plate and attaching the sliding supporting section to a clamping table, wherein the third splicing plate is matched with the steel column base plate to form a secondary grouting opening;
thirdly, the fixed support dowel plate is clamped and installed in a fixed clamping groove at the bottom of a fixed plate installation section on the first splice plate through a fixed clamping groove at the top of the fixed support dowel plate and is fixed with the foundation;
step four, pouring secondary grouting materials through the secondary grouting openings in the step two until grouting is stopped at the position of the height marking line, and confirming the height marking line according to a confirmation method in the traditional pouring process, wherein the height marking line does not belong to the key point of the application and is not described in detail;
and step five, taking a transmission screw rod to penetrate through a threaded hole of the fixed support force transmission plate, screwing the transmission screw rod to enable the transmission screw rod to be pressed on the third splicing plate, continuously screwing the transmission screw rod to enable the transmission screw rod to push the third splicing plate to push grouting material in the secondary grouting opening to the bottom of the steel column base plate until a fixing clamping groove at the bottom of the third splicing plate is clamped in a fixing clamping groove at the top of the first splicing plate.
The invention has the beneficial effects that: the invention does not need to expand and reserve the grouting hole, thus effectively reducing the use of grouting material. Construction operation personnel field operation is nimble, convenient, need not personnel and gets into the reinforcing bar inboard, can accomplish the installation in the basis outside, and efficiency improves greatly. The template can be repeatedly used, the manufacturing and processing time is reduced, and the waste of template materials is avoided.
Drawings
Fig. 1 is a schematic structural view of the construction state of the present invention.
FIG. 2 is a schematic diagram showing the separation state of the splice plates according to the present invention.
Graphic notation: 1. the concrete foundation comprises a first splicing plate, 2, a second splicing plate, 2A, a third splicing plate, 3, a secondary grouting opening, 4, a steel column base plate, 5, a fixed support dowel plate, 6, a transmission screw rod, 7, a transmission screw rod handle, 8, a reserved steel bar, 9, a foundation outer contour edge, 10, a fixed clamping groove, 11, a clamping table, 12 and a threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A secondary grouting steel template for an embedded steel column foot plate comprises two first splicing plates 1, a second splicing plate 2 and a third splicing plate 2A, wherein the two first splicing plates 1 are rectangular plates with the same structure, two fixed clamping grooves 10 arranged at intervals are formed in the top of each first splicing plate 1, the second splicing plate 2 and the third splicing plate 2A are rectangular plates with the same structure, two fixed clamping grooves 10 arranged at intervals are formed in the bottoms of the second splicing plate 2 and the third splicing plate 2A, as shown in the figure 1, a plurality of reserved steel bars 8 are arranged in a space surrounded by a basic outer contour edge 9, the steel column foot plate 4 is arranged in the space surrounded by the reserved steel bars 8, if the dense inner space of the reserved steel bars 8 is small, workers hardly enter the inner space, therefore, the two first splicing plates 1 are parallel to each other and are respectively attached to two sides of the steel column foot plate 4, the second splice plate 2 is attached to the other side of the steel column foot plate 4 perpendicularly to the first splice plate 1, a fixed clamping groove 10 at the bottom of the second splice plate 2 is matched with a fixed clamping groove 10 at the top of the first splice plate 1 to realize quick clamping and fixing, one end of the first splice plate 1 extends outwards to form a sliding support section, the tail end of the sliding support section protrudes upwards to form a clamping table 11, part of the clamping table 11 continues to extend outwards to form a fixed plate installation section, the bottom of the fixed plate installation section is provided with the fixed clamping groove 10, a fixed support force transmission plate 5 with a plate surface parallel to the second splice plate is clamped and installed in the fixed clamping groove 10 at the bottom of the fixed plate installation section, the fixed support force transmission plate 5 is also provided with the fixed clamping groove 10 matched with the fixed clamping groove at the bottom of the fixed plate installation section, a threaded hole 12 is arranged through the fixed support force transmission plate, and a transmission screw rod 6 is screwed in the threaded hole 12, a transmission screw rod handle 7 convenient for screwing the rotating screw rod is fixed on the transmission screw rod 6, a third splicing plate 2A is slidably supported on a sliding support section through a fixed clamping groove on the third splicing plate and is attached to a clamping table, the third splicing plate 2A is parallel to a second splicing plate 2, the third splicing plate 2A is matched with a steel column foot plate 4 to form a secondary grouting opening 3, one end of the transmission screw rod 6 is propped against the third splicing plate 2A, the transmission screw rod is screwed to push the third splicing plate 2A to be close to the steel column foot plate until the third splicing plate 2A is attached to the steel column foot plate so as to push grouting materials in the secondary grouting opening 3 to the bottom of the column foot bottom plate 4, the fixed clamping groove 10 on the third splicing plate 2A is clamped into the fixed clamping groove 10 of the first splicing plate 1 under the pushing of the rotating screw rod, and the first splicing plate 1, the second splicing plate 2, the third splicing plate 2A and the fixed support force transfer plate 5 are all rapidly connected through the fixed clamping groove 10, not only the installation is fast, convenient to detach moreover.
The construction method of the secondary grouting steel template for the embedded steel column foot plate comprises the following steps:
firstly, two first splicing plates 1 are closely placed on two sides of a steel column base plate 4 in parallel, then fixing clamping grooves 10 at the bottoms of the second splicing plates 2 are clamped in the fixing clamping grooves 10 at the tops of the two first splicing plates 1, the second splicing plates 2 and the two first splicing plates 1 are fixedly installed together to form an integrated structure, but the second splicing plates are fixedly connected through the fixing clamping grooves 10 so as to be convenient for disassembly after molding;
secondly, slidably supporting a fixed clamping groove 10 at the bottom of a third splicing plate 2A on a sliding supporting section of the first splicing plate 1 and attaching the sliding supporting section to a clamping table 11, and matching the third splicing plate 2A with a steel column base plate 4 to form a secondary grouting opening 3;
thirdly, the fixed support dowel plate 5 is clamped and installed in the fixed clamping groove 10 at the bottom of the fixed plate installation section on the first splice plate 1 through the fixed clamping groove 10 at the top of the fixed support dowel plate and is fixed with the foundation;
pouring secondary grouting material through the secondary grouting opening 3 in the step two until the grouting is stopped at the position of the elevation line;
and fifthly, taking the transmission screw rod 6 to penetrate through a threaded hole 12 of the fixed support force transmission plate, screwing a transmission screw rod handle 7 fixed on the transmission screw rod to enable the transmission screw rod 6 to rotate and advance and then to be pressed on the third splicing plate 2A, continuously screwing the transmission screw rod 6 to enable the transmission screw rod to push the third splicing plate 2A to push grouting material in the secondary grouting opening to the bottom of the steel column base plate 4 until a fixing clamping groove at the bottom of the third splicing plate 2A is clamped in a fixing clamping groove 10 at the top of the first splicing plate 1, and ensuring that grouting is more compact and material saving at the same time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a secondary grout steel form that formula steel column foot was used imbeds which characterized in that: the concrete pouring device comprises two first splicing plates, a second splicing plate and a third splicing plate, wherein the two first splicing plates are parallel to each other and are respectively attached to two sides of a steel column foot plate in parallel, the second splicing plate is perpendicular to the first splicing plates and is attached to the other side of the steel column foot plate, one end of each first splicing plate extends outwards to form a sliding support section, the tail end of the sliding support section protrudes upwards to form a clamping table, the clamping table part continues to extend outwards to form a fixed plate installation section, a fixed support force transmission plate with the plate surface parallel to the second splicing plate is installed at the bottom of the fixed plate installation section, a threaded hole is formed in the fixed support force transmission plate in a penetrating mode, a transmission screw rod is screwed in the threaded hole, the third splicing plate is slidably supported on the sliding support section and is attached to the clamping table, the third splicing plate is parallel to the second splicing plate, the third splicing plate is matched with the steel column foot plate to form a secondary grouting hole, one end of the transmission screw rod abuts against the third splicing plate, twisting the transmission lead screw and promoting the third concatenation board to be close to the steel column foot board until the third concatenation board pastes and establishes on the steel column foot board so that push away the intraoral grout material of secondary grout to steel column foot board bottom, two first splice plates adopt the rectangular plate that the structure is the same, two fixed slot that the interval set up are all seted up at every first splice plate top, second splice plate and third splice plate adopt the rectangular plate that the structure is the same, two fixed slot that the interval set up are all seted up to second splice plate and third splice plate bottom, the fixed slot card on the second splice plate establish in keeping away from the fixed slot of the first splice plate of sliding support section, the fixed slot sliding support of third splice plate is in the sliding support section, the fixed slot card goes up under the promotion of rotation lead screw of third splice plate goes up into the fixed slot card and is close to the sliding support section in the fixed slot of first splice plate.
2. The secondary grouting steel formwork for the embedded steel column foot plate according to claim 1, characterized in that: and a transmission screw rod handle which is convenient for twisting the rotation screw rod is fixed on the transmission screw rod.
3. The secondary grouting steel formwork for the embedded steel column foot plate according to claim 1, characterized in that: the fixed plate installation section bottom seted up fixed slot, the fixed stay dowel steel is established in fixed plate installation section bottom through fixed slot card.
4. A construction method using the secondary grouting steel formwork for the embedded steel column foot plate of any one of claims 1 to 3, characterized in that: the method comprises the following steps:
firstly, two first splicing plates are closely placed on two sides of a steel column base plate in parallel, then a fixed clamping groove at the bottom of a second splicing plate is clamped in a fixed clamping groove at the top of the two first splicing plates, and the second splicing plate and the two first splicing plates are fixedly installed together;
secondly, slidably supporting a fixed clamping groove at the bottom of a third splicing plate on a sliding supporting section of the first splicing plate and attaching the sliding supporting section to a clamping table, wherein the third splicing plate is matched with the steel column base plate to form a secondary grouting opening;
thirdly, the fixed support dowel plate is clamped and installed in a fixed clamping groove at the bottom of a fixed plate installation section on the first splice plate through a fixed clamping groove at the top of the fixed support dowel plate and is fixed with the foundation;
pouring secondary grouting material through the secondary grouting opening in the step two until the grouting is stopped at the position of the elevation line;
and step five, taking a transmission screw rod to penetrate through a threaded hole of the fixed support force transmission plate, screwing the transmission screw rod to enable the transmission screw rod to be pressed on the third splicing plate, continuously screwing the transmission screw rod to enable the transmission screw rod to push the third splicing plate to push grouting material in the secondary grouting opening to the bottom of the steel column base plate until a fixing clamping groove at the bottom of the third splicing plate is clamped in a fixing clamping groove at the top of the first splicing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548750.8A CN111550045B (en) | 2020-06-16 | 2020-06-16 | Secondary grouting steel formwork for embedded steel column foot plate and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548750.8A CN111550045B (en) | 2020-06-16 | 2020-06-16 | Secondary grouting steel formwork for embedded steel column foot plate and construction method thereof |
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| Publication Number | Publication Date |
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| CN111550045A CN111550045A (en) | 2020-08-18 |
| CN111550045B true CN111550045B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306356A (en) * | 1991-04-01 | 1992-10-29 | Hitachi Kizai Kk | Corrugated cardboard formwork and assembling thereof |
| JPH08284407A (en) * | 1995-04-13 | 1996-10-29 | Mitsui Constr Co Ltd | Concrete pressure holding jig and form device |
| CN104912334A (en) * | 2015-04-17 | 2015-09-16 | 江苏港城建设工程有限公司 | Steel structure column base secondary grouting process |
| CN206105350U (en) * | 2016-11-01 | 2017-04-19 | 三峡大学 | A anchor clamps for adjustment of transmission line foundation construction rag bolt |
| CN207211731U (en) * | 2017-09-08 | 2018-04-10 | 中铁十九局集团第一工程有限公司 | Framework inner prop suspension column integrated positioning covers template |
| CN109113338A (en) * | 2018-09-13 | 2019-01-01 | 中铁十六局集团城市建设发展有限公司 | A kind of tool-type mould bases of constructional column top one-piece casting |
| CN208792623U (en) * | 2018-08-20 | 2019-04-26 | 中国建筑第五工程局有限公司 | A kind of easy device for steel column foot back-grouting |
| CN208899856U (en) * | 2018-08-30 | 2019-05-24 | 云南建投第二建设有限公司 | A kind of precast frame suspension column tool-type grouting template |
-
2020
- 2020-06-16 CN CN202010548750.8A patent/CN111550045B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306356A (en) * | 1991-04-01 | 1992-10-29 | Hitachi Kizai Kk | Corrugated cardboard formwork and assembling thereof |
| JPH08284407A (en) * | 1995-04-13 | 1996-10-29 | Mitsui Constr Co Ltd | Concrete pressure holding jig and form device |
| CN104912334A (en) * | 2015-04-17 | 2015-09-16 | 江苏港城建设工程有限公司 | Steel structure column base secondary grouting process |
| CN206105350U (en) * | 2016-11-01 | 2017-04-19 | 三峡大学 | A anchor clamps for adjustment of transmission line foundation construction rag bolt |
| CN207211731U (en) * | 2017-09-08 | 2018-04-10 | 中铁十九局集团第一工程有限公司 | Framework inner prop suspension column integrated positioning covers template |
| CN208792623U (en) * | 2018-08-20 | 2019-04-26 | 中国建筑第五工程局有限公司 | A kind of easy device for steel column foot back-grouting |
| CN208899856U (en) * | 2018-08-30 | 2019-05-24 | 云南建投第二建设有限公司 | A kind of precast frame suspension column tool-type grouting template |
| CN109113338A (en) * | 2018-09-13 | 2019-01-01 | 中铁十六局集团城市建设发展有限公司 | A kind of tool-type mould bases of constructional column top one-piece casting |
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| CN111550045A (en) | 2020-08-18 |
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