CN112211204A - Wall formwork supporting structure of column plate wall slope protection structure and construction method thereof - Google Patents
Wall formwork supporting structure of column plate wall slope protection structure and construction method thereof Download PDFInfo
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- CN112211204A CN112211204A CN202011137089.8A CN202011137089A CN112211204A CN 112211204 A CN112211204 A CN 112211204A CN 202011137089 A CN202011137089 A CN 202011137089A CN 112211204 A CN112211204 A CN 112211204A
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- reinforced concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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Abstract
The invention discloses a wall template structure of a column plate wall slope protection structure, which comprises a template on a single side, wherein the template is arranged between 2 adjacent reinforced concrete columns, two ends of the template are in contact with the surfaces of the reinforced concrete columns, a plurality of square timbers are vertically arranged at intervals on the back of the template, a plurality of longitudinal tie bars which are horizontally arranged at intervals are closely arranged on the back of each square timbers, and two ends of each longitudinal tie bar are respectively fixed on the 2 reinforced concrete columns. According to the wall template structure and the construction method thereof, the reinforced concrete columns on the column plate wall ground are utilized, and the longitudinal tie bars are arranged among the reinforced concrete columns to serve as support carriers of the horizontal resistance of the template, so that the requirement of the whole template structure on a site is low, and the stability of the whole support system is better along with the increase of the height of the layered and segmented casting wall body.
Description
Technical Field
The invention relates to a wall template structure and a construction method thereof, in particular to a wall template structure of a column plate wall slope protection structure and a construction method thereof.
Background
The application of the column plate wall construction technology in high and large side slopes is increasing, and the column plate wall saves the field, is good in rigidity and high in stability, is matched with the prestressed anchor cable construction, is more suitable for protecting the high and large steep side slopes, and is more and more popular in engineering construction.
The wall construction between the columns of the traditional column plate wall is a unilateral formwork, and a steel pipe cast support or a special unilateral formwork steel bracket support system is usually adopted. The two support modes have high requirements on the field, the height of the column plate wall is higher, and when the steel pipe cast support is adopted as a single-side template support, the larger the field area is needed, the longer the cast support length is, the more the cast support quantity is, and the worse the stability of the support system is; the higher the height of the column plate wall is, and when a special template steel support system is adopted, the higher the height of the steel support system is, the larger the geometric dimension is, the higher the cost is, and the larger the required support site is.
Disclosure of Invention
The invention aims to provide a wall formwork structure of a column plate wall slope protection structure and a construction method thereof. According to the wall template structure and the construction method thereof, the reinforced concrete columns on the column plate wall ground are utilized, and the longitudinal tie bars are arranged among the reinforced concrete columns to serve as support carriers of the horizontal resistance of the template, so that the requirement of the whole template structure on a site is low, and the stability of the whole support system is better along with the increase of the height of the layered and segmented casting wall body.
The technical scheme of the invention is as follows: the utility model provides a column plate wall slope protection structure's wall form structure, including the template of unilateral, the template setting is between 2 adjacent reinforced concrete columns, and its both ends and reinforced concrete column surface contact, and the template back is vertical, the interval is provided with many square timbers, and the vertical lacing wire that square timbers back is adjacent to be provided with multichannel level, interval setting, and vertical lacing wire both ends are fixed respectively on 2 reinforced concrete columns.
In the aforementioned wall template structure of column plate wall slope protection structure, the inside plastic casing that is provided with of reinforced concrete post, after vertical lacing wire passed from the plastic casing, its other end stretched out to reinforced concrete post outside, and it stretches out the end and fixes through the nut.
In the wall template structure of the column plate wall slope protection structure, the extending end is sleeved with 1 wedge-shaped cushion block, and a nut is arranged on a longitudinal tie bar outside the wedge-shaped cushion block.
In the wall formwork structure of the column plate wall slope protection structure, a steel bar tripod is arranged inside the reinforced concrete column beside the plastic sleeve.
In the wall form structure of the column plate wall slope protection structure, the distance between the longitudinal tie bar at the bottommost part and the ground is 200-300 mm.
A construction method of a wall template structure of a column plate wall slope protection structure comprises the following steps:
A. calculating the diameter and the vertical arrangement interval of the longitudinal tie bars according to the concrete pouring height of the plate wall and the column interval between the adjacent reinforced concrete columns;
B. when concrete of the reinforced concrete column is poured, setting intervals according to longitudinal tie bars, arranging plastic sleeves on a reinforcement cage of the reinforced concrete column, and blocking two sides of each plastic sleeve by sponge strips;
C. after the reinforced concrete column is poured and demoulded, chiseling concrete at the orifice positions at two ends of the plastic sleeve, and cleaning slurry leaking in the plastic sleeve;
D. binding plate wall steel bars between adjacent reinforced concrete columns, and erecting a template and square timbers of the plate wall when the concrete of the reinforced concrete columns reaches over 75 percent of the design strength;
E. a longitudinal tie bar penetrates into the plastic sleeve, and the plastic sleeve is fixed and straightened through a nut;
F. and pouring the concrete of the plate wall, removing the template, and filling and sealing the plastic sleeve.
In the construction method of the wall formwork structure of the column plate wall slope protection structure, in the step B, in the plastic sleeve setting process, two ends of the plastic sleeve are fixed on the reinforcement cage main reinforcement or the annular stirrup by adopting the # shaped reinforcement.
In the construction method of the wall template structure of the column plate wall slope protection structure, in the step B, in the process of arranging the plastic sleeve, the reinforcing steel bar tripod is arranged in the reinforcing steel cage beside the plastic sleeve, and when the reinforced concrete column is poured, the pouring guide pipe penetrates through the pouring concrete from the reinforcing steel bar tripod.
In the construction method of the wall formwork structure of the column plate wall slope protection structure, in the step E, after the longitudinal tie bars penetrate through the plastic sleeves, the wedge-shaped cushion blocks are sleeved on the extending ends of the longitudinal tie bars, and then the nuts are screwed in.
The invention has the beneficial effects that: compared with the prior art, the invention has the following advantages:
1. compared with the existing 2 supporting modes, the supporting structure of the invention utilizes the reinforced concrete columns on the column plate wall ground as the supporting carriers of the horizontal resistance of the template, the longitudinal tie bars are arranged between the reinforced concrete columns, the template is supported by the longitudinal tie bars, the supporting structure replaces the conventional supporting mode of steel tube casting support or a special single-side template steel bracket system, the supporting structure is simple, and the floor area of the whole template structure is very small;
2. the whole template has a simple structure and low cost, the plastic sleeves are synchronously arranged along with the pouring of the reinforced concrete column in the early stage, and only the template, the square timber and the longitudinal tie bars need to be installed in the later stage, so that the installation and the disassembly are convenient and quick, and a large number of construction periods are saved;
3. because the longitudinal tie bars are connected with the permanent reinforced concrete columns, after the reinforced concrete columns are connected with the poured wall body structure, the pressure born by the longitudinal tie bars is finally born by the permanent member wall body and the reinforced concrete columns together, the supporting effect is better, and the safety is higher;
4. this template structure is more suitable for big column plate wall template support system, and when column plate wall adopted the layering to pour, along with the increase of the number of piles, the rigidity and the stability of lower floor column plate wall system also increased thereupon, and the stability that whole template structure system supported is more firm. This is not available with existing support systems. Along with the increase of column plate wall height, its stability is better, and the support effect of vertical lacing wire to the template is also better.
5. The longitudinal tie bars in the whole supporting system can be repeatedly utilized, are flexibly arranged and are convenient to operate, so that the supporting system can be suitable for wood templates and more suitable for combined steel templates or large steel molds.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic elevation view of fig. 1.
Reference numerals: 1-template, 2-reinforced concrete column, 3-square wood, 4-longitudinal tie bar, 5-plastic sleeve, 6-nut, 7-wedge-shaped cushion block and 8-reinforced tripod.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
The embodiment of the invention comprises the following steps: the utility model provides a column plate wall slope protection structure's wall form structure, as shown in attached 1-3, column plate wall slope protection structure conventional setting is including reinforced concrete column 2 that one section distance set up at the interval, has pour the wallboard between 2 adjacent reinforced concrete columns 2, and the wallboard is connected with reinforced concrete column 2 and is constituted whole column plate wall slope protection structure. The wall body template structure of column plate wall slope protection structure is including the template 1 of vertical setting, and template 1 sets up between 2 adjacent reinforced concrete columns 2, and its both ends and reinforced concrete column 2 surface contact, avoids wallboard concrete placement process to flow from the gap between 1 tip of template and reinforced concrete column 2. The back of the template 1 is vertical, the interval is provided with a plurality of square timbers 3, the square timbers 3 can also be replaced by steel pipes, the back of the square timbers 3 is provided with a plurality of horizontal longitudinal tie bars 4 arranged at intervals, the wood timbers 3 are attached to the longitudinal tie bars 4, and the two ends of the longitudinal tie bars 4 are respectively fixed on the 2 reinforced concrete columns 2.
In this template bearing structure use, when pouring the wallboard concrete, the concrete exerts the pressure of side direction to template 1, and the pressure of this side direction is transmitted for the vertical lacing wire 4 at back through the square timber 3 at its back, bears the lateral pressure that template 1 received through vertical lacing wire 4. Because the both ends of vertical lacing wire 4 respectively with 2 reinforced concrete columns 2 fixed connection, guarantee that vertical lacing wire 4 can not infinitely send the deformation backward to guarantee that the displacement volume of template 1 can not exceed the allowed band. Set up square timber 3, and the aim at of square timber 3 and the contact of vertical lacing wire 4, the lateral pressure that guarantees that 1 surface of template bears can transmit for the vertical lacing wire 4 of rear and its contact through closing on square timber 3.
The reinforced concrete column 2 is internally provided with a plastic sleeve 5, the diameter of the plastic sleeve 5 is 5-10mm larger than that of the longitudinal tie bar 4, the longitudinal tie bar 4 penetrates through the plastic sleeve 5, the other end of the longitudinal tie bar extends out of the reinforced concrete column 2, and the extending end of the longitudinal tie bar is fixed through a nut 6. The plastic sleeve 5 is arranged to facilitate the penetration of the longitudinal tie bar 4, and the longitudinal tie bar 4 is fixed by the nut 6 after penetrating through the reinforced concrete column 2. The whole reinforced concrete column 2 is enabled to bear the pressure borne by the longitudinal tie bar 4, and the longitudinal tie bar 4 is prevented from being separated from the reinforced concrete column 2 under the action of larger pressure.
The stretching end is sleeved with 1 wedge-shaped cushion block 7, a nut 6 is arranged on the longitudinal tie bar 4 outside the wedge-shaped cushion block 7, the wedge-shaped cushion block 7 is arranged, the bottom surface of the nut 6 vertically acts on the surface of the wedge-shaped cushion block 7, the nut 6 can be screwed more conveniently, and the longitudinal tie bar 4 is flat and tight.
And a steel bar tripod 8 with the diameter of more than 12mm is arranged in the reinforced concrete column 2 beside the plastic sleeve 5. The in-process is pour to reinforced concrete column 2, need fix plastic sleeve 5 on its steel reinforcement cage, then pour concrete through pouring the pipe, the swing can take place for pouring the pipe under the pressure effect of concrete, in order to avoid its swing in-process to take place to touch with plastic sleeve 5, make the skew take place for plastic sleeve 5's position, the event is provided with steel bar tripod 8, steel bar tripod 8 is fixed with reinforced concrete column 2's steel reinforcement cage, it passes pouring concrete from steel bar tripod 8 to pour the pipe, it only can take place to touch with steel bar tripod 8 to pour the pipe swing in-process.
The height of the longitudinal tie bar 4 at the bottommost part is 200-300mm away from the ground, if the height is too low, the installation and the disassembly of the longitudinal tie bar 4 are inconvenient, and if the height is too high, the template 1 at the bottom can displace outwards under the lateral pressure of the poured concrete. This set up when making things convenient for vertical lacing wire 4 to be under the construction, guarantee that template 1 can not take place the displacement to the outside under the concrete lateral pressure of pouring, guarantee the planarization of pouring the wall body, bottom template 1 can not produce great deformation, can not take place to destroy.
A construction method of a wall template structure of a column plate wall slope protection structure comprises the following steps:
A. and calculating the diameter of the longitudinal tie bars 4 and the vertical distance according to the concrete pouring height of the plate wall and the column distance between the adjacent reinforced concrete columns 2. The calculation mode can refer to the stress calculation mode of the simply supported beam and is the prior art.
B. During reinforced concrete column 2's concrete placement, set up the interval according to vertical lacing wire 4, set up plastic casing 5 on reinforced concrete column 2's steel reinforcement cage, the sponge strip is used to plastic casing 5 both sides and blocks up, and the thick liquid gets into in the plastic casing 5 when preventing concrete placement.
C. After the reinforced concrete column 2 is poured and demoulded, concrete at the positions of orifices at two ends of the plastic sleeve 5 is chiseled out, the inside leakage of the plastic sleeve 5 is cleaned, and the longitudinal tie bar 4 is conveniently penetrated in the subsequent process.
D. And binding the plate wall steel bars between the adjacent reinforced concrete columns 2, and erecting the template 1 and the square timber 3 of the plate wall when the concrete of the reinforced concrete columns 2 reaches over 75 percent of the design strength.
E. The plastic sleeve 5 is penetrated with a longitudinal tie bar 4, and is fixed and straightened by a nut 6.
F. And pouring the concrete of the plate and the wall, after the concrete of the plate and the wall reaches the required strength, removing the longitudinal tie bars 4 and the templates 1, and then filling the plastic sleeves 5 with the concrete, so that the reinforced concrete columns 2 are complete in structure.
And step B, in the setting process of the plastic sleeve 5, two ends of the plastic sleeve 5 are fixed on the main reinforcement or the annular stirrup of the reinforcement cage by adopting the # -shaped steel bars, so that the position of the plastic sleeve 5 is ensured to be fixed, and displacement cannot be generated.
And step B, in the setting process of the plastic sleeve 5, arranging a reinforcing steel bar tripod 8 in the reinforcing steel bar cage beside the plastic sleeve 5, and when the reinforced concrete column 2 is poured, the pouring guide pipe penetrates through the poured concrete from the reinforcing steel bar tripod 8. When concrete is poured, the pouring guide pipe is prevented from colliding with the reserved sleeve 5.
In the step E, after the longitudinal tie bar 4 penetrates into the plastic sleeve 5, the wedge-shaped cushion block 7 is sleeved on the extending end of the longitudinal tie bar 4, and then the nut 6 is screwed in. Ensuring that the longitudinal lacing wire 4 is straight and tight.
Claims (9)
1. The utility model provides a column wall slope protection structure's wall form structure which characterized in that: including template (1) of unilateral, template (1) sets up between 2 adjacent reinforced concrete columns (2), and its both ends and reinforced concrete column (2) surface contact, and template (1) back is vertical, the interval is provided with many square timbers (3), and square timbers (3) back is adjacent to be provided with vertical lacing wire (4) that multichannel level, interval set up, and vertical lacing wire (4) both ends are fixed respectively on 2 reinforced concrete columns (2).
2. The column plate wall slope protection structure's wall form structure of claim 1, characterized in that: the reinforced concrete column (2) is internally provided with a plastic sleeve (5), after the longitudinal tie bar (4) passes through the plastic sleeve (5), the other end of the tie bar extends out of the reinforced concrete column (2), and the extending end of the tie bar is fixed through a nut (6).
3. The column plate wall slope protection structure's wall form structure of claim 2, characterized in that: the extension end is sleeved with 1 wedge-shaped cushion block (7), and a nut (6) is arranged on a longitudinal tie bar (4) on the outer side of the wedge-shaped cushion block (7).
4. The column plate wall slope protection structure's wall form structure of claim 2, characterized in that: and a steel bar tripod (8) is arranged inside the reinforced concrete column (2) beside the plastic sleeve (5).
5. The column plate wall slope protection structure's wall form structure of claim 1, characterized in that: the height of the bottommost longitudinal lacing wire (4) is 200 mm and 300mm away from the ground.
6. A construction method of a wall form structure of a column-plate wall revetment structure according to any of claims 1 to 5, comprising: the construction method comprises the following steps:
A. calculating the diameter and the vertical arrangement interval of the longitudinal tie bars (4) according to the concrete pouring height of the plate wall and the column interval between the adjacent reinforced concrete columns (2) each time;
B. when concrete of the reinforced concrete column (2) is poured, the distance is set according to the longitudinal tie bars (4), plastic sleeves (5) are arranged on a reinforcement cage of the reinforced concrete column (2), and two sides of each plastic sleeve (5) are blocked by sponge strips;
C. after the reinforced concrete column (2) is poured and demoulded, chiseling concrete at the positions of orifices at two ends of the plastic sleeve (5), and cleaning slurry leaking in the plastic sleeve (5);
D. binding plate wall steel bars between adjacent reinforced concrete columns (2), and erecting a template (1) and square timbers (3) of the plate wall when the concrete of the reinforced concrete columns (2) reaches over 75 percent of the design strength;
E. a longitudinal tie bar (4) penetrates into the plastic sleeve (5), and the plastic sleeve is fixed and straightened through a nut (6);
F. and pouring the concrete of the plate wall, and filling and sealing the plastic sleeve (5) after the template (1) is removed.
7. The construction method of a wall form structure of a column plate wall slope protection structure according to claim 6, characterized in that: and step B, in the setting process of the plastic sleeve (5), two ends of the plastic sleeve (5) are fixed on the main reinforcement or the annular stirrup of the reinforcement cage by adopting a # -shaped reinforcement.
8. The construction method of a wall form structure of a column plate wall slope protection structure according to claim 6, characterized in that: and step B, in the setting process of the plastic sleeve (5), a reinforcing steel bar tripod (8) is arranged in the reinforcing steel cage beside the plastic sleeve (5), and when the reinforced concrete column (2) is poured, the pouring guide pipe penetrates through the pouring concrete from the reinforcing steel bar tripod (8).
9. The construction method of a wall form structure of a column plate wall slope protection structure according to claim 6, characterized in that: and in the step E, after the longitudinal tie bar (4) penetrates into the plastic sleeve (5), the wedge-shaped cushion block (7) is sleeved on the extending end of the longitudinal tie bar (4), and then the nut (6) is screwed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137089.8A CN112211204A (en) | 2020-10-22 | 2020-10-22 | Wall formwork supporting structure of column plate wall slope protection structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011137089.8A CN112211204A (en) | 2020-10-22 | 2020-10-22 | Wall formwork supporting structure of column plate wall slope protection structure and construction method thereof |
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| CN112211204A true CN112211204A (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180976A (en) * | 2023-04-25 | 2023-05-30 | 石家庄铁道大学 | Assembled building wall and construction method |
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2020
- 2020-10-22 CN CN202011137089.8A patent/CN112211204A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180976A (en) * | 2023-04-25 | 2023-05-30 | 石家庄铁道大学 | Assembled building wall and construction method |
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