CN114658007A - Grooving reinforcing device and grooving reinforcing method for diaphragm wall - Google Patents
Grooving reinforcing device and grooving reinforcing method for diaphragm wall Download PDFInfo
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- CN114658007A CN114658007A CN202210339129.XA CN202210339129A CN114658007A CN 114658007 A CN114658007 A CN 114658007A CN 202210339129 A CN202210339129 A CN 202210339129A CN 114658007 A CN114658007 A CN 114658007A
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- wall
- guide wall
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- grooving
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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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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Abstract
The invention discloses a ground connecting wall grooving reinforcing device which comprises two guide wall templates which are oppositely arranged, wherein a supporting rod is arranged between the guide wall templates, two side walls of each guide wall template are bent inwards to form side supporting walls, and the side supporting walls, the guide wall templates and the side walls of grooves form a guide wall section cavity in an enclosing mode. This device simple structure can support the lateral wall of slot at the slot excavation in-process, avoids the slot to sink, pours the completion back at the segmentation and makes the wall section of leading play temporary reinforcement effect, pours to other parts again and connects into the wall, is fit for using in the environment of softer soil property, has avoided the slot to sink, avoids influencing the safety of building on every side.
Description
Technical Field
The invention relates to the field of building construction, in particular to a ground connection wall grooving reinforcing device and a grooving reinforcing method.
Background
The diaphragm wall is a diaphragm wall, and various trenching machines are utilized to dig narrow and deep trenches on the designed ground under the action of a slurry retaining wall, and proper materials are poured into the trenches to form a wall body with water seepage prevention, soil retaining and bearing capacity.
In the construction process, the guide wall is poured on the two side walls of the dug groove, and the construction and solidification of the guide wall need a long time, so that in the construction process of sandy soil geology or other soft environments, before the guide wall is solidified, the groove is easy to collapse because of no support, pouring construction needs to be carried out after plastic reinforcement is carried out again, and the operation is troublesome and labor-consuming.
Therefore, a grooving reinforcing apparatus or method for a diaphragm wall is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel technical scheme for grooving and reinforcing a diaphragm wall.
According to a first aspect of the invention, the device for grooving and reinforcing the diaphragm wall comprises two guide wall formworks which are oppositely arranged, supporting rods are arranged between the guide wall formworks, two side walls of each guide wall formwork are bent inwards to form side supporting walls, and a guide wall section cavity is defined by the side supporting walls, the guide wall formworks and the side walls of the grooves.
Preferably, a horizontal side die is protruded from the top of the side supporting wall.
Preferably, the side support wall is provided with a plurality of reinforcement holes which are open to the side of the side support wall.
Preferably, the end part of the side supporting wall is bent outwards at a right angle to form a supporting part, and a through groove matched with the reinforcing steel bar hole is reserved on the supporting part.
Preferably, the opposite one side of leading between the wall template is provided with the fixed block, be provided with open-top's fixed slot on the fixed block, bracing piece tip joint extremely in the fixed slot.
According to a second aspect of the present invention, there is provided a diaphragm wall grooving reinforcing method using the diaphragm wall grooving reinforcing device, including the steps of:
the method comprises the following steps: uniformly placing guide wall formworks and reinforcement cages while excavating a groove, and fixing support rods between the corresponding guide wall formworks;
step two: pouring concrete in the cavity of the guide wall section to form the guide wall section;
step three: removing the guide wall templates after the guide wall sections are solidified, erecting general templates between the guide wall sections and binding general reinforcement cages;
step four: and pouring concrete in the vacant positions among the guide wall sections to connect the guide wall sections into the guide wall.
Preferably, in the step one, after the reinforcement cage is prefabricated, binding sections are reserved on two sides, and the binding sections extend out of the side supporting walls through the reinforcement holes.
Preferably, in the third step, after the support rods are removed, the guide wall template is moved towards the middle of the groove, so that the binding sections are moved out of the reinforcement holes, and then the guide wall template is taken out.
Preferably, in the third step, the universal template is erected closely to the guide wall section, and the fourth step is performed after the universal reinforcement cage is bound and fixed with the binding section.
According to an embodiment of the disclosure, this device simple structure can support the lateral wall of slot at the slot excavation in-process, avoids the slot to collapse, makes the wall section of leading play interim reinforcing effect after the segmentation is pour and is accomplished, pours to the rest and connects into the wall again, is fit for using in the environment of softer soil property, has avoided the slot to collapse, avoids influencing the safety of building on every side.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic top view of a reinforcement device for forming grooves in diaphragm wall according to an embodiment of the present invention.
Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.
Fig. 3 is a schematic structural view of the guide wall form in fig. 2.
Fig. 4 is a schematic structural view of the support rod of fig. 2.
Fig. 5 is a schematic view illustrating a connection structure between a guide wall form and a side support wall according to another embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 4, the reinforcement device for forming grooves in a diaphragm wall in this embodiment includes two guide wall templates 100 arranged oppositely, a support rod 200 is disposed between the guide wall templates 100, two side walls of the guide wall templates 100 are bent inward to form side support walls 110, and the side support walls 110, the guide wall templates 100, and the side walls of the grooves 300 enclose a guide wall section cavity 101.
According to the scheme of the embodiment, the device is uniformly placed and abutted to the side walls of the two sides of the groove 300 in the excavation process, and the side supporting walls 110 can be supported on the side walls of the groove 300 which is just excavated, so that the temporary supporting effect is realized, the collapse phenomenon is avoided, and the construction safety is improved; when pouring, concrete is poured in the guide wall section cavity 101, and after the concrete is solidified, the concrete is used as an auxiliary support, and then the rest parts are poured to be connected into the guide wall.
The guide wall forms 100 and the support rods 200 in this embodiment are made of, for example, a metal material (such as iron or steel), and have a certain strength and can support.
In other embodiments, as shown in fig. 5, the guide wall formwork 100 and the side support wall 110 are a split structure, the connection studs 102 are disposed on two sides of the guide wall formwork 100, the side support wall 110 is provided with connection holes (not shown), and the connection studs 102 are fastened by nuts 103 after passing through the connection holes to be fixedly connected, so as to facilitate form removal.
In this or other embodiments, a horizontal side mold 120 is extended from the top of the side support wall 110. The horizontal side mold 120 is used for casting the guide wall coating part at the top of the two sides of the trench 300, so that the coating part and the guide wall section form a whole, and the strength and the supporting capability of the guide wall section are improved.
In this or other embodiments, the side supporting wall 110 is provided with a plurality of reinforcement holes 111, and the reinforcement holes 111 are opened toward the side of the side supporting wall 110. Before concreting in leading wall section chamber 101, need put into leading wall section chamber 101 with prefabricated steel reinforcement cage, and the ligature section need be reserved at the steel reinforcement cage both ends, need carry out the ligature with adjacent steel reinforcement cage when connecting into complete leading wall in the later stage to improve integrality and intensity.
The open rebar holes 111 allow the support rods 200 to be removed after the guide wall section has set, allowing the guide wall form 100 to be moved backward and removed without interference.
In this or other embodiments, the ends of the side supporting walls 110 are bent outwards at right angles to form supporting portions 112, and through slots 113 matched with the reinforcing holes 111 are reserved on the supporting portions 112. The support portion 112 can increase the contact area with the side wall of the groove 300, and form a surface support together with the reinforcement cage in the guide wall segment cavity 101, thereby improving the temporary support capability.
In this embodiment or other embodiments, a fixing block 130 is disposed on an opposite side of the guide wall template 100, a fixing groove with an open top is disposed on the fixing block 130, and an end of the support rod 200 is clamped into the fixing groove. The fixed block 130 is that the rectangular shape is provided with four or more, and the both ends of bracing piece 200 are provided with joint piece 210 respectively, and joint piece 210 carries out the joint in can inserting the fixed slot, and the fixed slot is open-top's fork structure, can allow bracing piece 200 to insert and chucking joint piece 210 to made things convenient for the installation and the dismantlement of bracing piece 200.
The method for reinforcing the groove forming of the diaphragm wall grooving reinforcing device mainly comprises the following steps in the using process:
the method comprises the following steps: the guide wall formworks 100 and reinforcement cages (not shown) are uniformly placed while the grooves 300 are excavated, and the support rods 200 are fixed between the corresponding guide wall formworks 100;
in the excavation process, a guide wall template 100 is placed every certain distance of excavation, so that the side support walls 110 are pressed against the side walls of the groove 300 to form temporary supports, and the collapse phenomenon caused by soft soil or the pressure of surrounding buildings is avoided.
In this step, binding sections are reserved on both sides after the reinforcement cage is prefabricated, and the binding sections extend out of the side support walls 110 through the reinforcement holes 111.
Step two: pouring concrete in the guide wall section cavity 101 to form a guide wall section;
after the excavation is finished, concrete is poured into the guide wall section cavity 101 in sequence, and the guide wall section is maintained and formed to be a temporary supporting structure.
Step three: removing the guide wall template 100 after the guide wall sections are solidified, erecting a universal template between the guide wall sections and binding a universal reinforcement cage;
in the process of removing the support rods 200, the guide wall forms 100 are moved toward the middle of the grooves 300 to remove the binding sections from the reinforcement holes 111, and then the guide wall forms 100 are taken out.
And (3) erecting a universal template (not shown in the figure) close to the guide wall section, so that the erected template forms a complete guide wall structure, and performing the fourth step after the universal reinforcement cage is bound and fixed with the binding section.
Step four: and pouring concrete in the vacant positions among the guide wall sections to connect the guide wall sections into the guide wall.
And after the pouring is finished, maintaining and forming the guide wall, thereby finishing the complete guide wall arrangement.
According to an embodiment of the disclosure, this device simple structure can support the lateral wall of slot at the slot excavation in-process, avoids the slot to collapse, makes the wall section of leading play interim reinforcing effect after the segmentation is pour and is accomplished, pours to the rest and connects into the wall again, is fit for using in the environment of softer soil property, has avoided the slot to collapse, avoids influencing the safety of building on every side.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. The utility model provides a ground is wall grooving reinforcing apparatus even, includes two wall templates of leading of relative arrangement, its characterized in that, be provided with the bracing piece between the wall template of leading, the both sides wall of leading the wall template is inwards buckled and is formed the side support wall, the side support wall lead wall template and slot lateral wall and enclose into and lead wall section chamber.
2. The device as claimed in claim 1, wherein horizontal side forms are protruded from the top of the side supporting walls.
3. The device as claimed in claim 2, wherein the side support walls are provided with a plurality of reinforcement holes which are open to the side edges of the side support walls.
4. The device as claimed in claim 3, wherein the ends of the side supporting walls are bent outwards at right angles to form supporting parts, and the supporting parts are provided with through slots matched with the reinforcing bar holes.
5. The underground diaphragm wall grooving reinforcing device according to any one of claims 1 to 4, wherein a fixing block is arranged on the opposite side between the guide wall formworks, a fixing groove with an open top is arranged on the fixing block, and the end of the support rod is clamped into the fixing groove.
6. A method for trenching a diaphragm wall using the apparatus for trenching a diaphragm wall as claimed in any one of claims 1 to 5, comprising the steps of:
the method comprises the following steps: uniformly placing guide wall formworks and reinforcement cages while excavating a groove, and fixing support rods between the corresponding guide wall formworks;
step two: pouring concrete in the cavity of the guide wall section to form the guide wall section;
step three: removing the guide wall templates after the guide wall sections are solidified, erecting general templates between the guide wall sections and binding general reinforcement cages;
step four: and pouring concrete in the vacant positions among the guide wall sections to connect the guide wall sections into the guide wall.
7. The method for trenching reinforcement of diaphragm wall of claim 6, wherein in step one, the reinforcement cage is prefabricated and then tied sections are reserved on both sides, and the tied sections are extended out of the side supporting walls through the reinforcement holes.
8. The method for grooving and reinforcing a diaphragm wall according to claim 7, wherein in the third step, after the support rods are removed, the wall guide formwork is moved to the middle of the groove so that the binding sections are moved out of the reinforcement holes and then the wall guide formwork is taken out.
9. The method for grooving and reinforcing the diaphragm wall according to claim 8, wherein in the third step, the general formwork is erected in close contact with the guide wall section, and the fourth step is performed after the general reinforcement cage is bound and fixed with the binding section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210339129.XA CN114658007A (en) | 2022-04-01 | 2022-04-01 | Grooving reinforcing device and grooving reinforcing method for diaphragm wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210339129.XA CN114658007A (en) | 2022-04-01 | 2022-04-01 | Grooving reinforcing device and grooving reinforcing method for diaphragm wall |
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| Publication Number | Publication Date |
|---|---|
| CN114658007A true CN114658007A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210339129.XA Pending CN114658007A (en) | 2022-04-01 | 2022-04-01 | Grooving reinforcing device and grooving reinforcing method for diaphragm wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116791592A (en) * | 2023-06-21 | 2023-09-22 | 中铁一局集团(广州)建设工程有限公司 | Guide wall construction structure and method suitable for large-tonnage assembled diaphragm wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116791592A (en) * | 2023-06-21 | 2023-09-22 | 中铁一局集团(广州)建设工程有限公司 | Guide wall construction structure and method suitable for large-tonnage assembled diaphragm wall |
| CN116791592B (en) * | 2023-06-21 | 2024-01-30 | 中铁一局集团(广州)建设工程有限公司 | Guide wall construction structure and method suitable for large-tonnage assembled diaphragm wall |
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