CN213143073U - Pipeline foundation pit support - Google Patents

Pipeline foundation pit support Download PDF

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Publication number
CN213143073U
CN213143073U CN202021304380.5U CN202021304380U CN213143073U CN 213143073 U CN213143073 U CN 213143073U CN 202021304380 U CN202021304380 U CN 202021304380U CN 213143073 U CN213143073 U CN 213143073U
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China
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piles
row
supporting rod
cross beam
foundation pit
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CN202021304380.5U
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孙安
李德强
周炜峙
史慧婷
赖德贤
陈位洪
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Architectural Design and Research Institute of Guangdong Province
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Architectural Design and Research Institute of Guangdong Province
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Abstract

The utility model discloses a pipeline pit is strutted, include: the first row of piles and the second row of piles are arranged in a left-right manner; the left beam units are arranged in a plurality, and all the left beam units are sequentially connected end to end; the right beam units are symmetrically arranged with the left beam units, the number of the right beam units is multiple, and all the right beam units are sequentially connected end to end; the two ends of the first supporting rod are respectively connected with the left beam unit and the right beam unit, and all the first supporting rods are positioned on the same horizontal plane; the height of the outer side wall at the top of the second supporting rod is lower than that of the outer side wall at the bottom of the first supporting rod, and a second supporting rod is arranged between every two adjacent first supporting rods. The utility model discloses a pipeline excavation supporting makes the great pipeline tube coupling of length can follow the top horizontal hoisting of foundation ditch down, reduces the degree of difficulty of construction, improves the efficiency of construction. The utility model discloses can be applied to in the reinforcement technique at foundation pit edge.

Description

Pipeline foundation pit support
Technical Field
The utility model relates to a reinforcement technical field at foundation pit edge, in particular to pipeline foundation ditch support.
Background
The pipeline foundation pit needs to be supported in the process of laying the underground pipeline, and the existing pipeline foundation pit support is generally supported by steel sheet piles. A plurality of support rods are usually arranged between two rows of symmetrically arranged steel sheet piles for supporting, the support rods are sequentially distributed between the two rows of steel sheet piles at intervals, however, if the length of a single pipe joint of the pipeline is larger than the distance between two adjacent support rods, the pipe joint of the pipeline is difficult to horizontally hoist from the top of a foundation pit, and construction difficulty is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline pit is strutted to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
a pipe pit support comprising:
the first row of piles and the second row of piles are arranged in a left-right manner and are transversely arranged oppositely, and the area between the first row of piles and the second row of piles is taken as the inner side;
the left beam unit comprises a left first beam and a left second beam, the head end of the left first beam is higher than the tail end, the head end of the left second beam is lower than the tail end, the head end of the left second beam is connected with the left first beam, the left beam unit is arranged on the inner side wall of the first row of piles, the left beam units are multiple, and all the left beam units are sequentially connected end to end;
the right beam unit comprises a right first beam and a right second beam, the head end of the right first beam is higher than the tail end, the head end of the right second beam is lower than the tail end, the head end of the right second beam is connected with the right first beam, the right beam unit is arranged on the inner side wall of the second row of piles, the right beam unit and the left beam unit are symmetrically arranged, the number of the right beam units is multiple, and all the right beam units are sequentially connected end to end;
the two ends of the first supporting rod are respectively connected with the left beam unit and the right beam unit, the number of the first supporting rods is multiple, all the first supporting rods are sequentially distributed between the first row of piles and the second row of piles at intervals, and all the first supporting rods are located on the same horizontal plane;
the two ends of the second supporting rod are respectively connected with the left beam unit and the right beam unit, the height of the outer side wall at the top of the second supporting rod is lower than that of the outer side wall at the bottom of the first supporting rod, the number of the second supporting rods is multiple, and one second supporting rod is arranged between every two adjacent first supporting rods.
The utility model has the advantages that: the left beam unit and the right beam unit form a wavy structure, two ends of a first supporting rod are connected with the left beam unit and the right beam unit, two ends of a second supporting rod are connected with the left beam unit and the right beam unit, a plurality of first supporting rods and a plurality of second supporting rods are sequentially distributed between a first row of piles and a second row of piles at intervals, the distance between the first supporting rods on the same horizontal plane is larger, when the length of a single pipe joint of the pipeline is larger than the distance between the adjacent first supporting rods and the second supporting rods, a single pipe joint of the pipeline is horizontally hoisted in an area between the two adjacent first supporting rods, because the outer side wall of the bottom of the first supporting rod is higher than the outer side wall of the top of the second supporting rod, the pipe joint can be horizontally hoisted to the space above the second supporting rod and below the first supporting rod, and finally the pipe joint is horizontally moved to the area between the two adjacent second supporting rods and is hoisted downwards to the foundation pit, the pipeline pipe joint with the large length can be horizontally hoisted from the top of the foundation pit, the construction difficulty is reduced, and the construction efficiency is improved.
As a further improvement of the above technical solution, two ends of the first support rod are respectively connected to the left first cross beam and the right first cross beam, and two ends of the second support rod are respectively connected to the left second cross beam and the right second cross beam; or the two ends of the first supporting rod are respectively connected with the left second cross beam and the right second cross beam, and the two ends of the second supporting rod are respectively connected with the left first cross beam and the right first cross beam.
Be equipped with the support between first crossbeam in a left side and the first crossbeam in the right side, be equipped with the support between second crossbeam in a left side and the second crossbeam in the right side for support intensity between left crossbeam unit and the right crossbeam unit improves, thereby improves the firm degree of first row of stake and second row of stake.
As a further improvement of the above technical solution, two ends of the first supporting rod are connected to the tail end of the left second cross beam and the tail end of the right second cross beam respectively, and two ends of the second supporting rod are connected to the head end of the left second cross beam and the head end of the right second cross beam respectively.
The joint strength of the joints of the head and the tail ends of the left second cross beam and the adjacent two left first cross beams is lower, the joint strength of the joints of the head and the tail ends of the right second cross beam and the adjacent two right first cross beams is lower, and the joint strength of the joints of the head and the tail ends of the left second cross beam and the right second cross beam is enhanced through the first supporting rods and the second supporting rods.
As a further improvement of the above technical solution, a head end of the left second beam is connected to a tail end of the left first beam, and a head end of the right second beam is connected to a tail end of the right first beam.
The tail end of the first crossbeam in a left side is connected to the head end of left second crossbeam, and the tail end of the first crossbeam in the right side is connected to the head end of right second crossbeam for left first crossbeam obtains the biggest utilization with the first crossbeam in the right side on length direction, is favorable to reducing the cost.
As a further improvement of the above technical solution, a height difference between the first support bar and the second support bar is between 1 meter and 1.5 meters.
The height difference between the first supporting rod and the second supporting rod is between 1 meter and 1.5 meters, the height difference between the first supporting rod and the second supporting rod is larger than 1 meter, translation of pipe joints of most of existing pipelines at the region between the lower portion of the first supporting rod and the upper portion of the second supporting rod is facilitated, the first supporting rod and the second supporting rod are respectively supported on different heights of the first row of piles and the second row of piles, the stress points where the first row of piles and the second row of piles are supported influence overall strength, the height difference between the first supporting rod and the second supporting rod is smaller than 1.5 meters, and influence on the overall strength of the first row of piles and the second row of piles is lower.
As a further improvement of the above technical scheme, the pipeline foundation pit support further comprises at least two crown beams, and the two crown beams are respectively arranged at the top of the first row of piles and the top of the second row of piles.
Because a plurality of left crossbeam units of first row of stake form the wave structure, the distance between the top of the first row of stake of different positions and the left crossbeam unit is different, leads to the joint strength difference at the top of each part of first row of stake, sets up at the top of first row of stake and hat the roof beam, strengthens the joint strength at first row of stake top, and in the same way, sets up at the top of second row of stake and hat the roof beam, strengthens the joint strength at second row of stake top.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a top view of an embodiment of a pipe pit support provided by the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view of one embodiment of a pipe pit support provided by the present invention;
FIG. 4 is a schematic view of a pipeline pit support provided by the present invention, in an embodiment of which a first flow of disassembly for hoisting a pipeline is shown;
FIG. 5 is a schematic view of a pipeline pit support provided by the present invention, in an embodiment of which, a second flow of disassembly for hoisting a pipeline is shown;
fig. 6 is a pipeline pit support provided by the present invention, in which a third flow of disassembling the hoisting pipeline is shown in an embodiment of the present invention;
fig. 7 is a cross-sectional view of another embodiment of a pipe pit support provided by the present invention.
100. The pile comprises a first row of piles, 110, a second row of piles, 200, a left beam unit, 210, a left first beam, 220, a left second beam, 250, a right beam unit, 260, a right first beam, 270, a right second beam, 300, a first supporting rod, 400, a second supporting rod, 500, a crown beam, 600, a pipeline pipe joint, 610, a lifting rope, 700 and a soil layer.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the positional descriptions, such as the positional or orientational relationships indicated by the front, rear, left, right, etc., are based on the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 7, the pipe foundation pit support of the present invention has the following embodiments:
the pipe foundation pit support comprises a first row of piles 100, a second row of piles 110, a left beam unit 200, a right beam unit 250, a first supporting rod 300 and a second supporting rod 400, wherein the first row of piles 100 and the second row of piles 110 are foundation pit support structures formed by arranging certain pile types in a formation type, the pile types of the first row of piles 100 and the second row of piles 110 can be bored piles, mud jacking piles, precast concrete piles, steel pipe piles and the like, in the embodiment, the first row of piles 100 and the second row of piles 110 are steel plate piles, a plurality of steel plate piles are pressed into a soil layer 700 by a pile driver, so that the steel plate piles are mutually connected into the first row of piles 100 and the second row of piles 110 for retaining or retaining water, the first row of piles 100 and the second row of piles 110 are arranged in a left-right manner and are transversely opposite to each other, the area between the first row of piles 100 and the second row of piles 110 is an inner side, the area between the first row of piles 100 and the second row of piles 110 is a pipe foundation pit, and arranging other row piles to form corner positions by angularly deflecting the first row piles 100 and the second row piles 110, and when a plurality of corner positions exist in the pipeline foundation pit, sequentially connecting a plurality of row piles to enclose the pipeline foundation pit.
The left beam unit 200 is arranged on the inner side wall of the first row of piles 100, the right beam unit 250 is arranged on the inner side wall of the second row of piles 110, the left beam unit 200 and the right beam unit 250 are symmetrically arranged, each left beam unit 200 comprises a left first beam 210 and a left second beam 220, the head end of the left first beam 210 is higher than the tail end, the head end of the left second beam 220 is lower than the tail end, the head end of the left second beam 220 is connected with any position of the left first beam 210, and the left beam units 200 are sequentially connected end to form a wavy structure; each right beam unit 250 comprises a right first beam 260 and a right second beam 270, the head end of the right first beam 260 is higher than the tail end, the head end of the right second beam 270 is lower than the tail end, the head end of the right second beam 270 is connected with any position of the right first beam 260, and the right beam units 250 are sequentially connected end to form a wavy structure, in the embodiment, the head end of the right second beam 270 is connected with the tail end of the right first beam 260.
The first support rods 300 and the second support rods 400 are all arranged between the first row of piles 100 and the second row of piles 110, two ends of each first support rod 300 are respectively connected with the left beam unit 200 and the right beam unit 250, two ends of each second support rod 400 are respectively connected with the left beam unit 200 and the right beam unit 250, a plurality of first support rods 300 are provided, all the first support rods 300 are arranged on the same horizontal plane, all the first support rods 300 are sequentially distributed between the first row of piles 100 and the second row of piles 110 at intervals, a plurality of second support rods 400 are provided, one second support rod 400 is arranged between every two adjacent first support rods 300, all the second support rods 400 are arranged on the same horizontal plane, in the embodiment, the interval between every two adjacent first support rods 300 is 7.4 meters to 8 meters, the interval between every two adjacent second support rods 400 is 7.4 meters to 8 meters, the distance between the adjacent second supporting rods 400 and the first supporting rod 300 is not more than 4 m; the height of the top outer side wall of the second support rod 400 is lower than that of the bottom outer side wall of the first support rod 300, the height difference between the second support rod 400 and the first support rod 300 is between 1 meter and 1.5 meters, so that an avoiding space is formed in the area between the lower part of the second support rod 400 and the upper part of the first support rod 300, and the pipeline pipe joint 600 can be horizontally moved into the avoiding space during horizontal hoisting.
The both ends of first bracing piece 300 are connected with left first crossbeam 210 and right first crossbeam 260 respectively, the both ends of second bracing piece 400 are connected with left second crossbeam 220 and right second crossbeam 270 respectively, in this embodiment, the length of left first crossbeam 210 and left second crossbeam 220 is 4 meters, the length of right first crossbeam 260 and right second crossbeam 270 is 4 meters, the tail end of left second crossbeam 220 and the tail end of right second crossbeam 270 are connected respectively to the both ends of first bracing piece 300, the both ends of second bracing piece 400 are connected respectively in the head end of left second crossbeam 220 and the head end of right second crossbeam.
The pipeline foundation pit support further comprises a crown beam 500, the tops of the first row of piles 100 and the second row of piles 110 are respectively provided with the crown beam 500, the crown beam 500 is connected with the inner side wall of the top of the first row of piles 100, and the other crown beam 500 is connected with the inner side wall of the top of the second row of piles 110.
In the pipeline foundation pit which is actually constructed, at least a part of the support is constructed in the support form in this embodiment, when the length of the pipeline pipe joint 600 is greater than the distance between the adjacent first support rod 300 and the adjacent second support rod 400, the pipeline pipe joint 600 is horizontally hoisted between the adjacent two first support rods 300 by using the hoisting rope 610, then the pipeline pipe joint 600 is moved downwards to the region between the upper side of the second support rod 400 and the lower side of the first support rod 300, then the pipeline pipe joint 600 is horizontally moved in the region between the adjacent two second support rods 400, finally the pipeline pipe joint 600 is horizontally hoisted downwards into the pipeline foundation pit from between the adjacent two second support rods 400 by using the hoisting rope 610, and then the pipeline pipe joint 600 can be transferred in the bottom of the pipeline foundation pit by dragging.
In addition, when the excavation depth of the pipeline foundation pit is large, the exposed length of the inner side wall of the row pile 100 is large, two rows of left beam units 200 are provided on the inner side walls of the first row of piles 100 at different heights, two rows of right beam units 250 are arranged on the inner side walls of the second row of piles 110 at different heights, the projections of the two rows of left beam units 200 in the vertical direction are the same, the projections of the two rows of right beam units 250 in the vertical direction are the same, the structures of the two rows of left beam units 200 are the same, the structures of the two rows of right beam units 250 are the same, the left beam unit 200 and the right beam unit 250 positioned above are supported by a first support rod 300 and a second support rod 400, the left beam unit 200 and the right beam unit 250 positioned below are provided with additional support rod supports, the arrangement of the support rods of the lower left beam unit 200 and the lower right beam unit 250 is the same as the arrangement of the first support rod 300 and the second support rod 400.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (6)

1. A pipeline foundation pit support is characterized in that: the method comprises the following steps:
the first row of piles (100) and the second row of piles (110) are arranged in a left-right manner and are arranged in a transverse opposite mode, and the area between the first row of piles and the second row of piles is the inner side;
the left beam unit (200), the left beam unit (200) comprises a left first beam (210) and a left second beam (220), the head end of the left first beam (210) is higher than the tail end, the head end of the left second beam (220) is lower than the tail end, the head end of the left second beam (220) is connected with the left first beam (210), the left beam unit (200) is arranged on the inner side wall of the first row of piles (100), the number of the left beam units (200) is multiple, and all the left beam units (200) are sequentially connected end to end;
the right beam unit (250) comprises a right first beam (260) and a right second beam (270), the head end of the right first beam (260) is higher than the tail end, the head end of the right second beam (270) is lower than the tail end, the head end of the right second beam (270) is connected with the right first beam (260), the right beam unit (250) is arranged on the inner side wall of the second row of piles (110), the right beam unit (250) and the left beam unit (200) are symmetrically arranged, the number of the right beam units (250) is multiple, and all the right beam units (250) are sequentially connected end to end;
the two ends of each first supporting rod (300) are respectively connected with the left beam unit (200) and the right beam unit (250), the number of the first supporting rods (300) is multiple, all the first supporting rods (300) are sequentially distributed between the first row of piles (100) and the second row of piles (110) at intervals, and all the first supporting rods (300) are located on the same horizontal plane;
the two ends of the second supporting rod (400) are respectively connected with the left beam unit (200) and the right beam unit (250), the height of the top outer side wall of the second supporting rod (400) is lower than that of the bottom outer side wall of the first supporting rod (300), the number of the second supporting rods (400) is multiple, and every two adjacent first supporting rods (300) are provided with one therebetween, so that the number of the second supporting rods (400) is increased.
2. The pipe foundation pit support of claim 1, wherein: two ends of the first supporting rod (300) are respectively connected with the left first cross beam (210) and the right first cross beam (260), and two ends of the second supporting rod (400) are respectively connected with the left second cross beam (220) and the right second cross beam (270); or the two ends of the first supporting rod (300) are respectively connected with the left second cross beam (220) and the right second cross beam (270), and the two ends of the second supporting rod (400) are respectively connected with the left first cross beam (210) and the right first cross beam (260).
3. The pipe foundation pit support of claim 1, wherein: the two ends of the first supporting rod (300) are respectively connected to the tail end of the left second cross beam (220) and the tail end of the right second cross beam (270), and the two ends of the second supporting rod (400) are respectively connected to the head end of the left second cross beam (220) and the head end of the right second cross beam (270).
4. The pipe foundation pit support of claim 1, wherein: the head end of the left second cross beam (220) is connected with the tail end of the left first cross beam (210), and the head end of the right second cross beam (270) is connected with the tail end of the right first cross beam (260).
5. The pipe foundation pit support of claim 1, wherein: the height difference between the first support rod (300) and the second support rod (400) is between 1 meter and 1.5 meters.
6. The pipe foundation pit support of claim 1, wherein: the pipeline foundation pit support further comprises at least two crown beams (500), and the two crown beams (500) are respectively arranged at the top of the first row of piles (100) and the top of the second row of piles (110).
CN202021304380.5U 2020-07-06 2020-07-06 Pipeline foundation pit support Active CN213143073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021304380.5U CN213143073U (en) 2020-07-06 2020-07-06 Pipeline foundation pit support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021304380.5U CN213143073U (en) 2020-07-06 2020-07-06 Pipeline foundation pit support

Publications (1)

Publication Number Publication Date
CN213143073U true CN213143073U (en) 2021-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021304380.5U Active CN213143073U (en) 2020-07-06 2020-07-06 Pipeline foundation pit support

Country Status (1)

Country Link
CN (1) CN213143073U (en)

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