CN112211212A - Template for open caisson wall construction and open caisson wall construction joint construction method - Google Patents
Template for open caisson wall construction and open caisson wall construction joint construction method Download PDFInfo
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- CN112211212A CN112211212A CN202011055262.XA CN202011055262A CN112211212A CN 112211212 A CN112211212 A CN 112211212A CN 202011055262 A CN202011055262 A CN 202011055262A CN 112211212 A CN112211212 A CN 112211212A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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Abstract
The invention relates to a template for open caisson wall construction and a construction method of an open caisson wall construction joint, wherein the template for construction comprises the following components: be the horizontally horizontal plate, be vertical plate, first connecting plate, the second connecting plate, third connecting plate and tongue, the upper end of vertical plate is connected perpendicularly in the other end of horizontal plate, the one end to the other end of first connecting plate are by high slope form to low, and the one end of first connecting plate is connected in the one end of horizontal plate, the other end of tongue passes through the second connecting plate and connects in the other end of first connecting plate, the other end of tongue passes through the third connecting plate and connects in the bottom of vertical plate, first connecting plate, second connecting plate and third connecting plate all are reciprocal folding cockscomb structure. In the invention, the aluminum alloy template is used for carrying out concrete pouring on the surface of the construction joint so as to avoid subsequent chiseling treatment.
Description
Technical Field
The invention relates to the technical field of open caisson wall construction joints, in particular to a template for open caisson wall construction and an open caisson wall construction joint construction method.
Background
In recent years, open caisson construction technology is widely applied to bridges, underground engineering, near-building deep foundations, municipal engineering and the like.
The open caisson wall waterproof engineering is one of the major difficulties in open caisson construction and later-stage operation, and particularly at construction joints formed by segmental casting of the open caisson, the improper treatment can cause internal leakage of the open caisson and invasion of external underground water. The metal water stop plate or the rubber water stop belt is usually installed at a construction joint in the existing construction process, particularly, the metal water stop plate or the rubber water stop belt is installed after the surface of the construction joint is roughened to enable the surface of the structure to be a horizontal plane, the horizontal plane-shaped construction joint structure is beneficial to leakage of liquid, the metal water stop plate has the problems of high cost, poor corrosion resistance, the fact that the welding quality determines the whole water stop effect and the like, the rubber water stop belt is easy to damage in the cast-in-place process, and the problems bring hidden troubles to water prevention and water stop engineering in the later stage of a sunk well.
Disclosure of Invention
In view of the above problems, the present invention provides a template for open caisson wall construction and a method for constructing open caisson wall construction joint, and aims to provide a well wall construction joint structure which is free of chiseling and has excellent water stopping effect.
The specific technical scheme is as follows:
the invention provides a template for constructing a wall of a sunk well, which is characterized by comprising the following components: be the horizontally horizontal plate, be vertical plate, first connecting plate, the second connecting plate, third connecting plate and tongue, the upper end of vertical plate is connected perpendicularly in the other end of horizontal plate, the one end to the other end of first connecting plate are by high slope form to low, and the one end of first connecting plate is connected in the one end of horizontal plate, the other end of tongue passes through the second connecting plate and connects in the other end of first connecting plate, the other end of tongue passes through the third connecting plate and connects in the bottom of vertical plate, first connecting plate, second connecting plate and third connecting plate all are reciprocal folding cockscomb structure.
The template for the construction of the well wall of the open caisson also has the characteristic that the template further comprises a hollow positioning rod which is arranged on the inner wall of the horizontal plate facing the convex groove relatively.
The template for the construction of the well wall of the open caisson also has the characteristic that the horizontal plate, the vertical plate, the first connecting plate, the second connecting plate, the third connecting plate and the convex groove are all made of aluminum alloy.
The second aspect of the present invention provides a method for constructing a construction joint of a borehole wall using the template for constructing a borehole wall, comprising the steps of:
the method comprises the following steps: the method comprises the following steps of firstly pouring concrete to a certain height, quickly installing and fixing a template, and uniformly pouring the concrete to two sides of the template to enable the surface of the concrete to be flush with a horizontal plate in the template;
step two: taking out the aluminum alloy template after the concrete is finally set, cleaning impurities and residual water on the inner side of the construction joint, and installing and fixing a water swelling type water stop strip in a reserved groove formed by a convex groove in the construction joint after the strength of the concrete meets the design requirement;
step three: and (4) checking and accepting, and tearing off the surface isolation paper of the water stop strip after the checking and accepting are qualified, so that the next stage of concrete pouring can be carried out.
The construction method for the open caisson wall construction joint further has the characteristic that a cement nail is driven into the step two to fix the water stop strip every 0.5m when the water-swelling water stop strip is fixed in the step two.
The construction method for the open caisson wall construction joint further has the characteristics that in the second step, the joint of the water stop strip is fixed in a lap joint mode, the water stop strip at the joint needs to be reserved for more than 50mm, and the cross section of the water stop strip at the joint needs to be compressed to half of the original position before lap joint.
The beneficial effect of above-mentioned scheme is:
1) in the invention, the aluminum alloy template is used for carrying out concrete pouring on the surface of the construction joint so as to avoid subsequent chiseling treatment;
2) according to the invention, the water-swelling type water stop strip is arranged in the reserved groove, so that the problem of seepage of the wall of the open caisson is effectively improved by utilizing the good resilience performance of the water-swelling type water stop strip. The use of the water stop strip can effectively avoid the influence of the welding quality of the metal water stop plate on the water stop effect in the use of the conventional metal water stop plate, and can also avoid the problem that the rubber water stop strip is easy to leak from the wall of the open caisson because of easy damage.
Drawings
Fig. 1 is a schematic structural diagram of a template for constructing a wall of a caisson provided in an embodiment of the invention;
figure 2 is a schematic diagram of the template for constructing the wall of the caisson wall provided by the embodiment of the invention,
in the drawings: 1. a horizontal plate; 2. a vertical plate; 3. a first connecting plate; 4. a second connecting plate; 5. a third connecting plate; 6. a convex groove; 7. positioning a rod; 8. a water stop strip.
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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 and 2, a template for constructing a wall of a caisson wall provided in an embodiment of the present invention includes: the novel horizontal plate comprises a horizontal plate 1, a vertical plate 2, a first connecting plate 3, a second connecting plate 4, a third connecting plate 5 and a convex groove 6, wherein the upper end of the vertical plate 2 is vertically connected to the other end of the horizontal plate 1, one end to the other end of the first connecting plate 3 is inclined from high to low, one end of the first connecting plate 3 is connected to one end of the horizontal plate 1, the other end of the convex groove 6 is connected to the other end of the first connecting plate 3 through the second connecting plate 4, the other end of the convex groove 6 is connected to the bottom of the vertical plate 2 through the third connecting plate 5, and the first connecting plate 3, the second connecting plate 4 and the third connecting plate 5 are in a zigzag shape of reciprocating folding.
According to the construction joint structure, the first connecting plate 3, the second connecting plate 4 and the third connecting plate 5 which are arranged in the zigzag mode are used, so that scabbling treatment is avoided after concrete is poured subsequently, the construction joint structure is different from a construction joint which is obtained by general leveling and scabbling, and the construction seepage-resistant and leakage-proof effects of the construction joint structure formed by pouring of the template are better.
On the basis of the technical scheme, further, the construction formwork further comprises a hollow positioning rod 7, the positioning rod 7 is arranged on the inner wall, facing the convex groove 6, of the horizontal plate 1, and therefore constructors can insert reinforcing steel bars or steel wires into the positioning rod 7 according to the size and type of the open caisson to quickly install and fix the formwork.
The open caisson wall construction joint construction method using the template for open caisson wall construction comprises the following steps:
the method comprises the following steps: the method comprises the following steps of firstly pouring concrete to a certain height, quickly installing and fixing a template, and uniformly pouring the concrete to two sides of the template to enable the surface of the concrete to be flush with a horizontal plate 1 in the template;
step two: taking out the aluminum alloy template after the concrete is finally solidified, cleaning impurities and residual water on the inner side of the construction joint, and installing and fixing a water swelling type water stop strip 8 (a BW type water swelling water stop strip can be selected in the invention) in a reserved groove formed by the convex groove 6 in the construction joint after the strength of the concrete meets the design requirement;
step three: and (4) checking and accepting, and tearing off the surface isolation paper of the water stop strip 8 after the checking and accepting are qualified, so that the next-stage concrete pouring can be carried out.
According to the invention, the water stop strip 8 is arranged in the reserved groove, so that the problem of seepage of the wall of the open caisson is effectively improved by utilizing the good resilience of the water stop strip.
The use of the water stop strip can effectively avoid the influence of the welding quality of the metal water stop plate on the water stop effect in the use of the conventional metal water stop plate, and can also avoid the problem that the rubber water stop strip is easy to leak from the wall of the open caisson because of easy damage.
In the invention, the water stop strip 8 is fixed, and a cement nail can be driven into the water stop strip 8 every 0.5m to fix the water stop strip 8 so as to prevent the dislocation of the water stop strip 8.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a template is used in open caisson wall of a well construction which characterized in that includes: a horizontal plate (1), a vertical plate (2), a first connecting plate (3), a second connecting plate (4), a third connecting plate (5) and a convex groove (6), the upper end of the vertical plate (2) is vertically connected with the other end of the horizontal plate (1), one end of the first connecting plate (3) is inclined from high to low, and one end of the first connecting plate (3) is connected with one end of the horizontal plate (1), the other end of the convex groove (6) is connected with the other end of the first connecting plate (3) through the second connecting plate (4), the other end of the convex groove (6) is connected with the bottom of the vertical plate (2) through the third connecting plate (5), the first connecting plate (3), the second connecting plate (4) and the third connecting plate (5) are in a zigzag shape which is folded in a reciprocating manner.
2. The template for the open caisson wall construction as claimed in claim 1, wherein the template further comprises a hollow positioning rod (7), and the positioning rod (7) is arranged on the inner wall of the horizontal plate (1) facing the convex groove (6) relatively.
3. The template for caisson wall construction according to claim 1 or 2, wherein the horizontal plates (1), the vertical plates (2), the first connecting plates (3), the second connecting plates (4), the third connecting plates (5) and the convex grooves (6) are all made of aluminum alloy.
4. A method for constructing a construction joint of a well wall of a caisson by using the template for constructing a well wall of a caisson according to any one of claims 1 to 3, comprising the steps of:
the method comprises the following steps: the method comprises the steps of firstly pouring concrete to a certain height, quickly installing and fixing a template, and uniformly pouring concrete to two sides of the template to enable the surface of the concrete to be flush with a horizontal plate (1) in the template;
step two: taking out the aluminum alloy template after the concrete is finally set, cleaning impurities and residual water on the inner side of the construction joint, and installing and fixing a water swelling type water stop strip (8) in a reserved groove formed by a convex groove (6) in the construction joint after the strength of the concrete meets the design requirement;
step three: and (4) checking and accepting, and tearing off the surface isolation paper of the water stop strip (8) after the checking and accepting are qualified, so that the next stage of concrete pouring can be carried out.
5. The construction method of the open caisson wall construction joint according to claim 4, wherein a cement nail is driven into the water-stop strip (8) every 0.5m when the water-stop strip (8) capable of expanding when water is fixed in the second step.
6. The open caisson wall construction joint construction method according to claim 5, wherein in the second step, the joint of the water stop strip (8) is fixed in a lap joint mode, the water stop strip (8) at the joint needs to be reserved for more than 50mm, and the cross section of the water stop strip (8) at the joint needs to be compressed to half of the original cross section before lap joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055262.XA CN112211212A (en) | 2020-09-30 | 2020-09-30 | Template for open caisson wall construction and open caisson wall construction joint construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055262.XA CN112211212A (en) | 2020-09-30 | 2020-09-30 | Template for open caisson wall construction and open caisson wall construction joint construction method |
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| Publication Number | Publication Date |
|---|---|
| CN112211212A true CN112211212A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011055262.XA Pending CN112211212A (en) | 2020-09-30 | 2020-09-30 | Template for open caisson wall construction and open caisson wall construction joint construction method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206457854U (en) * | 2017-01-18 | 2017-09-01 | 北京建工四建工程建设有限公司 | A kind of raft foundation vertical construction joints construction |
| CN110295739A (en) * | 2019-06-03 | 2019-10-01 | 中国一冶集团有限公司 | A kind of vertical waterproof construction seam construction method |
| CN110469011A (en) * | 2019-08-20 | 2019-11-19 | 防灾科技学院 | A kind of building method and anti-conquassation shear wall of anti-conquassation shear wall |
-
2020
- 2020-09-30 CN CN202011055262.XA patent/CN112211212A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206457854U (en) * | 2017-01-18 | 2017-09-01 | 北京建工四建工程建设有限公司 | A kind of raft foundation vertical construction joints construction |
| CN110295739A (en) * | 2019-06-03 | 2019-10-01 | 中国一冶集团有限公司 | A kind of vertical waterproof construction seam construction method |
| CN110469011A (en) * | 2019-08-20 | 2019-11-19 | 防灾科技学院 | A kind of building method and anti-conquassation shear wall of anti-conquassation shear wall |
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Application publication date: 20210112 |