CN212742609U - Open caisson foundation - Google Patents
Open caisson foundation Download PDFInfo
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- CN212742609U CN212742609U CN202020596404.2U CN202020596404U CN212742609U CN 212742609 U CN212742609 U CN 212742609U CN 202020596404 U CN202020596404 U CN 202020596404U CN 212742609 U CN212742609 U CN 212742609U
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Abstract
The utility model relates to an open caisson foundation. Belong to transmission line technical field, open caisson basis includes: the open caisson comprises an open caisson, a base, an end cover and a plurality of fixing plates; the base is located the bottom of open caisson, the end cover lid closes the top of open caisson, a plurality of fixed orificess have been seted up along the circumferencial direction to the outer wall of open caisson, and is a plurality of the fixed plate is through a plurality of the fixed orifices is fixed the open caisson. The embodiment of the utility model provides a when open caisson basis's buried depth and structure size increase, need not to increase the material quantity on open caisson basis, can obtain bigger bearing capacity, reduced the amount of labour, and can not improve the construction degree of difficulty and construction risk.
Description
Technical Field
The utility model relates to a transmission line technical field, in particular to open caisson basis.
Background
The transmission line needs the shaft tower to support at the transportation circuit in-process, when the transmission line passes through soft soil areas such as river network, needs fix the shaft tower, avoids because the ground is too soft leads to the shaft tower to collapse. During operation, the tower is generally fixed through the open caisson foundation, the open caisson foundation is good in stability and large in bearing area, can bear large vertical and horizontal loads, and can serve as a cofferdam structure for retaining soil and retaining water during construction.
The open caisson foundation that the correlation technique provided is cylindrical open caisson column, through excavate the foundation ditch of certain degree of depth at ground, puts cylindrical open caisson column into the foundation ditch, and the shaft tower is connected with the top of cylindrical open caisson column, reaches the fixed purpose of butt-rod tower.
The designer finds that the related art has at least the following technical problems:
when the buried depth and the structure size of the open caisson foundation are increased, the material consumption and the manual labor amount of the open caisson foundation are also obviously increased, and the construction is not facilitated.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an open caisson basis can solve when the buried depth and the structure size increase on open caisson basis, and the material quantity and the hand labor volume on open caisson basis also show the increase, are unfavorable for the technical problem of construction. The specific technical scheme is as follows:
a caisson foundation, said caisson foundation comprising: the open caisson comprises an open caisson, a base, an end cover and a plurality of fixing plates;
the base is located the bottom of open caisson, the end cover lid closes the top of open caisson, a plurality of fixed orificess have been seted up along the circumferencial direction to the outer wall of open caisson, and is a plurality of the fixed plate is through a plurality of the fixed orifices is fixed the open caisson.
In an alternative embodiment, the base is a cone of decreasing diameter from a first end to a second end, the second end of the base being connected to the caisson.
In an optional embodiment, the end cover comprises a cover and a bearing platform, the cover covers the open caisson, the bearing platform is connected with the cover, and the bearing platform is used for being connected with a tower.
In an optional embodiment, the base and the open caisson are connected by cement pouring.
In an alternative embodiment, the end cover and the open caisson are connected by cementing.
In an optional embodiment, the open caisson, the end cover and the base are all made of concrete.
In an alternative embodiment, the gap between each fixing plate and each fixing hole is filled with concrete.
In an alternative embodiment, the plurality of fastening holes are adapted to the size of the plurality of fastening plates.
In an alternative embodiment, the fixing plate is a rectangular fixing plate, and the fixing holes are rectangular fixing holes.
In an alternative embodiment, the open caisson is cylindrical.
The above technical scheme of the utility model following beneficial effect has at least:
when the open caisson foundation provided by the embodiment of the utility model is applied, a foundation pit with a certain depth is dug on the bottom surface, the base is placed in the foundation pit, the open caisson is connected with the base, the stability of the open caisson in the vertical direction is ensured, and the pulling-resistant bearing capacity of the foundation is increased; the fixing plate is connected with the soil layer through the fixing hole, the open caisson is prevented from generating radial displacement or loosening, the bearing capacity of the open caisson foundation for resisting horizontal load is increased, the cover plate covers the top of the open caisson, the cover plate is connected with the open caisson, and the connection stability between the cover plate and the open caisson is guaranteed. The embodiment of the utility model provides a when open caisson basis's buried depth and structure size increase, need not to increase the material quantity on open caisson basis, can obtain bigger bearing capacity, reduced the amount of labour, and can not improve the construction degree of difficulty and construction risk.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an open caisson foundation structure provided by an embodiment of the present invention;
fig. 2 is a schematic view of the foundation structure of the open caisson provided by the embodiment of the present invention.
1-open caisson, 2-base, 3-end cover, 31-sealing cover, 32-bearing platform and 4-fixing plate.
Detailed Description
Unless defined otherwise, all technical terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The transmission line needs the shaft tower basis to support at the transportation circuit in-process, when the transmission line passes through soft soil areas such as river network, needs fix the shaft tower basis, avoids because the ground is too soft leads to the shaft tower basis to collapse. During operation, the tower is generally fixed through the open caisson foundation, the open caisson foundation is good in stability and large in bearing area, can bear large vertical and horizontal loads, and can serve as a cofferdam structure for retaining soil and retaining water during construction. During the construction of operation personnel, a foundation pit with a certain depth is excavated on the ground, the cylindrical open caisson column is placed in the foundation pit, and the tower foundation is connected with the top end of the cylindrical open caisson column, so that the aim of fixing the tower foundation is fulfilled. However, when the sinking depth and the structure size of the open caisson foundation are increased, the material consumption and the labor amount of the open caisson foundation are also obviously increased, and the construction is not facilitated. In view of this, the embodiment of the present application provides an open caisson foundation, which aims to solve the above technical problems.
A caisson foundation, as shown in fig. 1 or 2, the caisson foundation comprising: the open caisson comprises an open caisson 1, a base 2, an end cover 3 and a plurality of fixing plates 4;
the base 2 is located the bottom of open caisson 1, and a plurality of fixed orificess have been seted up along the circumferencial direction to the top at open caisson 1, end cover 3 lid, and a plurality of fixed plates 4 are fixed open caisson 1 through a plurality of fixed orificess.
The above technical scheme of the utility model following beneficial effect has at least:
when the open caisson foundation provided by the embodiment of the utility model is applied, a foundation pit with a certain depth is dug on the bottom surface, the base 2 is placed in the foundation pit, the open caisson 1 and the base 2 are connected by cement pouring, the stability of the open caisson 1 in the vertical direction is ensured, and the pulling-resistant bearing capacity of the foundation is increased; be connected fixed plate 4 through fixed orifices and soil layer, avoid open caisson 1 to produce radial displacement or not hard up, increased the bearing capacity that the open caisson basis resisted the horizontal load, close the apron lid at the top of open caisson 1 again, pour through cement and connect apron and open caisson 1, guarantee the stability of being connected between apron and the open caisson 1. The embodiment of the utility model provides a when open caisson basis's buried depth and structure size increase, need not to increase the material quantity on open caisson basis, can obtain bigger bearing capacity, reduced the amount of labour, and can not improve the construction degree of difficulty and construction risk.
The open caisson foundation will be further described below by way of alternative embodiments.
It should be noted that the embodiment of the present invention provides an open caisson 1, a base 2, an end cover 3, and a plurality of fixing plates 4 that can be manufactured in advance according to actual operations. For example, when the ground where the power transmission line passes is very loose in soil, such as a soft ground area like a river bed, the depth of the excavated foundation pit is deep. When the ground soil of the power transmission line passing through the place is loose, such as soft land like mountain forest, the depth of the excavated foundation pit is shallow, and the open caisson 1, the base 2 and the end cover 3 can be prepared in advance according to the depth of the excavated foundation pit.
As an example, when the depth of the excavated foundation pit is 50 cm, the length of the open caisson 1 may be 50 cm, and when the depth of the excavated foundation pit is 100 cm, the depth of the open caisson 1 may be 100 cm. The depth of the excavated foundation pit and the depth of the open caisson 1 are not limited in the embodiment of the application.
It should be noted that the diameter of the open caisson 1 can be determined according to the diameter and weight of the tower to be supported. As an example, when the tower has a heavy weight or a large diameter, a large bearing foundation is needed to support the weight of the tower, and the diameter of the open caisson 1 needs to be large. The diameter of the open caisson 1 is not limited in the embodiment of the present application.
It should be noted that, the diameter of the end cover 3 is matched with the diameter of the open caisson 1, and it can be understood that the diameter of the base 2 cannot be smaller than the diameter of the open caisson 1, otherwise the support of the open caisson 1 to the tower would be unstable, and the safety risk of the transmission circuit of the transmission line would be increased. As an example, the diameter of the base 2 may be larger than the diameter of the open caisson 1, or may be equal to the diameter of the open caisson 1. The diameter of the base 2 is larger than or equal to that of the open caisson 1, and support of the tower is improved.
It should be noted that, in the embodiment of the present application, the open caisson 1 is a hollow well, so that not only the support stability of the open caisson 1 can be ensured, but also the manufacturing cost of the open caisson foundation can be reduced.
It should be noted that, in the embodiment of the application, the fixing holes are formed in the outer wall of the open caisson 1 along the circumferential direction, and the fixing plate 4 penetrates through the fixing holes to be in contact with the ground, so that the radial support of the open caisson 1 is enhanced, and further the radial stability of the tower is improved.
The fixing hole that this application embodiment provided can radially set up the round along the outer wall of open caisson 1, also can set up two rings or three rings along the outer wall of open caisson 1 to the improvement is fixed to open caisson 1. The number of the fixing holes is not limited to this.
The number of the fixing holes arranged along the radial direction of the open caisson 1 can be 4-6, optionally, the number of the fixing holes arranged along the radial direction of the open caisson 1 can be 4, and the central angle between every two fixing holes is 90 degrees, so that the purpose of improving the stability of the open caisson 1 can be achieved, and the cost can be saved. It should be noted that, when the depth of the open caisson 1 is deeper, the number of the fixing holes may be larger, so as to improve the stability of the open caisson 1.
The shape of the fixing hole may be rectangular, or may also be square or cylindrical, and the shape of the fixing hole is not limited in this application.
In an alternative embodiment, the base 2 is a cone with a diameter decreasing from a first end to a second end, the second end of the base 2 being connected to the caisson 1.
As mentioned above, the diameter of the base 2 may be greater than or equal to the diameter of the open caisson 1, and as an example, the diameter of the base 2 may be conical, the diameter of the conical upper bottom may be the same as the diameter of the open caisson 1, and the diameter of the lower bottom is greater than the diameter of the open caisson 1. The stability to the open caisson 1 can be improved by arranging the conical base 2.
As an example, the base 2 may be prefabricated according to the operation requirement, and the example may be prefabricated by concrete pouring. The embodiment of the present application is not limited to this.
In an alternative embodiment, the end cap 3 comprises a cover 31 and a bearing platform 32, the cover 31 covers the open caisson 1, the bearing platform 32 is connected with the cover 31, and the bearing platform 32 is used for connecting with a tower.
Can seal open caisson 1 through setting up closing cap 31, increase the stability of open caisson 1 in the foundation ditch, be connected with the shaft tower through setting up cushion cap 32, improve the stability of shaft tower. As an example, cement can be poured between the cover 31 and the bearing platform 32, so that the stability of the open caisson foundation can be improved.
As an example, the diameter of the platform 32 provided in the embodiment of the present application may be larger than the diameter of the cover 31, may be equal to the diameter of the cover 31, and may be smaller than the diameter of the cover 31.
In an alternative embodiment, the foundation 2 and the open caisson 1 are connected by cement pouring.
It should be noted that, the open caisson foundation provided by the embodiment of the present application can install the base 2 in the foundation pit dug in advance, and then be connected with the open caisson 1 through the property of cement pouring, so that the stability of the open caisson 1 in the foundation pit can be improved.
In an alternative embodiment, the end cover 3 and the open caisson 1 are connected by cement pouring.
It should be noted that, after the open caisson 1 is placed into a foundation pit dug in advance, the end cover 3 is connected with the open caisson 1 in a cement pouring mode, so that the stability of the open caisson foundation is improved.
In an alternative embodiment, the open caisson 1, the end cover 3 and the base 2 are all made of concrete.
The open caisson 1, the end cover 3 and the base 2 provided by the embodiment of the application can be formed by pouring concrete so as to ensure the stability and firmness of the open caisson foundation and prevent the open caisson from being corroded on the bottom surface.
In an alternative embodiment, the gap between each fixing plate 4 and each fixing hole is filled with concrete.
It should be noted that there may be a certain gap between the fixing hole and the fixing plate 4, and after the open caisson 1 is placed in the foundation pit, the fixing plate 4 is inserted into the fixing hole, and cement is poured into the gap between the fixing hole and the fixing plate 4, so as to prevent the fixing plate 4 from moving.
In an alternative embodiment, the plurality of fastening holes is adapted to the dimensions of the plurality of fastening plates 4.
It can be understood that when the diameter of the fixing hole is larger, the fixing plate 4 will shake in the fixing hole, reducing the radial fixation of the open caisson foundation. Therefore, the fixing holes provided in the embodiments of the present application may be adapted to the size of the fixing plate 4.
In an alternative embodiment, the fixing plate 4 is a rectangular fixing plate 4, and the fixing holes are rectangular fixing holes.
In an alternative embodiment, the caisson 1 is cylindrical.
The above description is only illustrative of the present invention, and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A caisson foundation, wherein said caisson foundation comprises: the open caisson comprises an open caisson (1), a base (2), an end cover (3) and a plurality of fixing plates (4);
the base (2) is located the bottom of open caisson (1), end cover (3) lid closes the top of open caisson (1), a plurality of fixed orificess have been seted up along the circumferencial direction to the outer wall of open caisson (1), and is a plurality of fixed plate (4) are through a plurality of the fixed orificess is to open caisson (1) is fixed.
2. Open caisson foundation according to claim 1, wherein the base (2) is a cone with decreasing diameter from a first end to a second end, the second end of the base (2) being connected to the open caisson (1).
3. Open caisson foundation according to claim 1, wherein the end caps (3) comprise a cover (31) and a bearing platform (32), the cover (31) is covered on the open caisson (1), the bearing platform (32) is connected with the cover (31), and the bearing platform (32) is used for connecting with a pole tower.
4. Open caisson foundation according to claim 1, wherein the foundation (2) and the open caisson (1) are connected by cementing.
5. Open caisson foundation according to claim 1, wherein the connection between the end cover (3) and the open caisson (1) is by cementing.
6. Open caisson foundation according to claim 1, characterised in that the open caisson (1), the end cover (3) and the base (2) are all made of concrete.
7. Open caisson foundation according to any of claims 1-6, wherein the gap between each fixing plate (4) and each fixing hole is filled with concrete.
8. Open caisson foundation according to any of claims 1-6, wherein the fixation holes are adapted to the size of the fixation plates (4).
9. Open caisson foundation according to any of claims 1-6, wherein the fixing plate (4) is a rectangular fixing plate (4) and the fixing holes are rectangular fixing holes.
10. Open caisson foundation according to any of claims 1-6, wherein said open caisson (1) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596404.2U CN212742609U (en) | 2020-04-20 | 2020-04-20 | Open caisson foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596404.2U CN212742609U (en) | 2020-04-20 | 2020-04-20 | Open caisson foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212742609U true CN212742609U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596404.2U Active CN212742609U (en) | 2020-04-20 | 2020-04-20 | Open caisson foundation |
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|---|---|
| CN (1) | CN212742609U (en) |
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2020
- 2020-04-20 CN CN202020596404.2U patent/CN212742609U/en active Active
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