CN212983886U - Pipeline foundation pit support - Google Patents

Pipeline foundation pit support Download PDF

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Publication number
CN212983886U
CN212983886U CN202021010728.XU CN202021010728U CN212983886U CN 212983886 U CN212983886 U CN 212983886U CN 202021010728 U CN202021010728 U CN 202021010728U CN 212983886 U CN212983886 U CN 212983886U
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row
piles
foundation pit
baffle
support
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CN202021010728.XU
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Inventor
孙安
史慧婷
赖德贤
李德强
周炜峙
陈位洪
赖雪琴
李晓东
杨祺隆
肖毅鹏
肖燕芳
孙翠平
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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 row pile comprises upright posts which are round pipes and are vertically arranged, a plurality of upright posts are sequentially and transversely arranged at intervals, two row piles are oppositely arranged side by side, the inner side is arranged between the two row piles, and the two row piles are separated by a certain distance; the waist beams are horizontally arranged at the upper parts of the row piles, and the two waist beams are respectively arranged at the inner sides of the two row piles; the two ends of each support rod are respectively abutted against the two waist beams, all the support rods are arranged between the two waist beams, and all the support rods are sequentially arranged at intervals; and the outer side of each row of piles is provided with at least one baffle. The utility model discloses a pipeline excavation supporting when there is the stereoplasm soil layer in the foundation ditch, reduces the complexity of construction, reduces the construction degree of difficulty to reduce construction cost. 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 under the condition that the excavation depth of the pipeline foundation pit is not large, steel sheet piles are generally adopted for supporting. The steel sheet pile support generally adopts channel steel sheet piles or Larsen steel sheet piles, and when a hard soil layer exists in a stratum where the pipeline foundation pit is located, the channel steel sheet piles or Larsen steel sheet piles are difficult to be driven into the hard soil layer, complex construction procedures need to be added, so that the construction difficulty is increased, and the construction cost is greatly increased.
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 row pile comprises a plurality of vertical rods, the vertical rods are round pipes and are vertically arranged, the vertical rods are sequentially and transversely arranged at intervals, two row piles are arranged in parallel and oppositely, the inner side is arranged between the two row piles, and a distance is reserved between the two row piles;
the two waist beams are respectively arranged on the inner sides of the two row piles;
the two ends of each support rod are respectively abutted against the two waist beams, the number of the support rods is multiple, all the support rods are arranged between the two waist beams, and all the support rods are sequentially arranged at intervals;
the number of the baffles is at least two, and at least one baffle is arranged on the outer side of each row of piles.
The utility model has the advantages that: the vertical rods of the row piles are round pipes, when a hard soil layer exists in the foundation pit, a common engineering drilling machine is used for drilling round holes matched with the diameters of the vertical rods on the hard soil layer, and then the vertical rods are directly inserted into the round holes to finish the pile driving, so that the construction complexity is reduced, the construction difficulty is reduced, and the construction cost is reduced; after the foundation pit is excavated, the bottom of each row pile is also embedded in a soil layer, waist beams are arranged on the inner sides of the upper parts of the row piles, and the waist beams on the two sides are supported by a plurality of support rods, so that the row piles are more stable; a plurality of vertical rods of the row piles are sequentially arranged at intervals, baffles are arranged on the outer sides of the row piles, and soil bodies are prevented from leaking into the foundation pit from gaps of the row piles by the baffles.
As a further improvement of the above technical solution, the length of the baffle is greater than the distance between every two adjacent vertical rods, a plurality of baffles are sequentially arranged in a row from top to bottom, and a plurality of rows of baffles are arranged outside the row of piles.
The baffle has a plurality ofly, and a plurality of baffles from the top down connects gradually into one, when needing to use the baffle, sets up the outside of campshed after the concatenation with a plurality of baffles, retrieves the baffle after the construction of pipeline foundation ditch is accomplished, and the volume of baffle is littleer, is convenient for deposit and transport.
As a further improvement of the above technical solution, the baffle plate includes at least two connecting holes, at least one connecting hole is disposed on the upper portion of the baffle plate, at least one connecting hole is disposed on the lower portion of the baffle plate, and every two vertically adjacent baffle plates are connected through the connecting hole.
Every two baffles which are adjacent from top to bottom are connected through connecting holes, and every row of baffles are connected in sequence through the connecting holes, so that one row of baffles are connected into a whole, when the baffles are recovered after the construction of the pipeline foundation pit is completed, the uppermost baffles can be pulled out from the top, and the recovery of the baffles is more convenient.
As a further improvement of the above technical solution, the upright stanchion includes a rib plate, the rib plate is fixedly arranged on the upper part of the inner side of the upright stanchion, the top surface of the rib plate is a horizontal plane, and the wale is arranged on the top surface of the rib plate.
The rib plates on the vertical rods support the waist beam, so that the waist beam is more convenient to mount, the mounting speed of the waist beam is increased, and the construction speed of pipeline foundation pit support is increased.
As a further improvement of the above technical scheme, the wale is made of i-shaped steel, the outer side surface of one flange of the wale is abutted against the inner side of the vertical rod, and the outer side surface of the other flange of the wale is abutted against the support rod.
The waist rail is made of I-shaped steel, the bending resistance is high, the waist rail is arranged on the inner side of the upper portion of the row pile, the weight of the waist rail structure is light, and the influence of the weight of the waist rail on the row pile is reduced.
As a further improvement of the above technical solution, the brace rod includes two abutting portions, the two abutting portions are respectively disposed at the tops of two end surfaces of the brace rod, the abutting portions extend out of the end surfaces of the brace rod, the bottom surfaces of the abutting portions are planes, the two end surfaces of the brace rod respectively abut against the inner side walls of the two wales, and the bottom surfaces of the abutting portions abut against the top surfaces of the wales.
The both ends face top of vaulting pole sets up an butt portion respectively, and the bottom surface of butt portion offsets with the top surface of waist rail, and two waist rails support the vaulting pole for the vaulting pole is difficult for gliding, and it is more convenient on the waist rail is installed to the vaulting pole, accelerates pipeline foundation ditch supporting's construction speed.
As a further improvement of the technical scheme, the length of the vertical rod is between four meters and six meters.
When pipeline foundation ditch's degree of depth is more shallow, pipeline foundation ditch degree of depth is generally below 2.5 meters, the length of pole setting is between 4 meters to 6 meters, pipeline foundation ditch excavation back, the pole setting lower extreme has at least 1.5 meters to bury underground under the soil layer, improve the firm degree of pole setting, can be according to the length of the more soft condition extension pole setting of geology at pipeline foundation ditch place, when the length of pole setting is 6 meters, the pole setting lower extreme has at least 3.5 meters to bury underground under the soil layer, guarantee that the pole setting still can keep higher firm degree when the more soft condition of geology.
As a further improvement of the above technical solution, the distance between every two adjacent vertical rods is equal, and the distance between every two adjacent stay rods is equal.
The distance between every two adjacent pole settings equals for the campshed outside receives the pressure of the soil body more balanced, avoids the campshed atress unbalance and damages, and the distance between every two adjacent vaulting poles equals, and the vaulting pole avoids the lumbar beam atress inhomogeneous and damage to the evenly distributed of the pressure of lumbar beam on the length direction of lumbar beam.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a front view of an embodiment of a pipe pit support provided by the present invention;
FIG. 2 is a top view of an embodiment of a pipe pit support provided by the present invention;
fig. 3 is a sectional view a-a in fig. 2.
100. The vertical rod 101, the ribbed slab 102, the hanging rib 200, the waist rail 300, the stay bar 301, the abutting part 400, the baffle 401, the connecting hole 500 and the 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 orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, 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 3, the pipe foundation pit support of the present invention has the following embodiments:
the pipeline foundation pit support comprises row piles, the row piles comprise upright rods 100, the upright rods 100 are round pipes, the upright rods 100 can adopt round steel pipes, the depth of a shallow pipeline foundation pit is about 2.5 meters, the length of each upright rod 100 is between 4 meters and 6 meters, the upright rods 100 are vertically arranged, the upright rods 100 are erected in a soil layer 500, the upright rods 100 are sequentially and transversely arranged at intervals, the distance between every two adjacent upright rods 100 is the same, the interval between every two adjacent upright rods 100 is between 1 meter and 2 meters, all the upright rods 100 are arranged in a row, the heights of all the upright rods 100 are kept consistent, and all the upright rods 100 are located on the same plane. The campshed has two, and two campsheds are relative setting side by side, and two campsheds are parallel to each other, and a section distance is separated by between two campsheds, and the pipeline foundation ditch sets up between two campsheds, is inboard between two campsheds, is the outside two campsheds.
The upper part of the inner side of each row pile is provided with a wale 200, the number of the wales 200 is two, the wales 200 are horizontally arranged, when the extension length of the row pile is larger, a plurality of wales 200 can be arranged on the inner side of the row pile in sequence, all the wales 200 on the same row pile are positioned on the same straight line, the upper part of the upright stanchion 100 of the row pile is provided with a rib plate 101, the shape of the rib plate 101 is triangular, the top surface of the rib plate 101 is a horizontal plane, the distance from the top surface of the rib plate 101 to the top end of the upright stanchion 100 is 0.5 meter, the wale 200 is arranged on the top surface of the rib plate 101, the wale 200 stretches across the upright stanchions 100, the hanging ribs 102 are arranged to connect the wales 200 with the top ends of the upright stanchions 100 respectively, so that the wales 200 are stably arranged on the top surface of the rib plate 101, the bracing rods 300 are arranged between the two wales 200, the two, the waist rail is made of H-shaped steel, one flange outer side surface of the waist rail 200 is abutted against the inner side of the vertical rod 100, the other flange outer side surface of the waist rail 200 is abutted against the end surface of the stay bar 300, the stay bar 300 is a circular tube, two abutting parts are respectively arranged on the tops of two end surfaces of the stay bar, the abutting part 301 extends outwards towards the end surface of the stay bar 300, the bottom surface of the abutting part 301 is a plane, the end surface of the stay bar 300 is abutted against the flange outer side surface of the waist rail 200, the bottom surface of the abutting part 301 is abutted against the end part of the flange of the waist, the supporting rods 300 are supported by the two wales 200 and are not easy to slide downwards, the number of the supporting rods 300 is multiple, all the supporting rods 300 are sequentially arranged between the two wales 200 at intervals, the distance between every two adjacent supporting rods 300 is equal, the distance between every two adjacent supporting rods 300 is 2 times to 3 times of the distance between every two adjacent vertical rods 100, and the distance between every two adjacent supporting rods 300 is smaller than 4 meters.
Baffle 400 is the flat board, the outside on campshed upper portion is located to baffle 400 lid, set up a connecting hole 401 on four angles of baffle 400 respectively, baffle 400 has a plurality ofly, a plurality of baffles 400 from the top down connect gradually into one row, every two adjacent baffles 400 from top to bottom pass connecting hole 401 through tying up the rope and connect, the outside of campshed sets up multiseriate baffle 400, the length of baffle 400 is greater than the distance between every two adjacent pole setting 100, the length of baffle 400 is between 2 meters to 4 meters, the width of baffle 400 is not less than 0.5 meter, the thickness of baffle 400 is about 20 millimeters.
The pipeline foundation pit support construction process of this embodiment: drilling a hole on a stratum needing to be paved with a pipeline by using an engineering drilling machine, wherein the hole diameter of the drilled hole is between 110 and 130 millimeters, the depth of a shallow pipeline foundation pit is about 2.5 meters, the drilling depth is between 4 and 6 meters, the engineering drilling machine drills two rows of holes, the two rows of holes are separated by a certain distance, the distance can be determined according to the size of the pipeline, the holes in each row of holes are sequentially arranged in a row at intervals, the distance between every two adjacent holes is between 1 and 2 meters, an upright 100 with the diameter matched with the hole diameter is selected, an upright 100 is arranged in each hole, two rows of holes form two rows of piles, soil is dug downwards between the two rows of piles, when the downward digging depth is 1 meter, a ribbed slab 101 is welded at the distance of about 0.5 meter from the top end of the upright 100, a wale 200 is arranged on the ribbed slab 101 of the upright 100, the wale 200 is 0.5 meter from the top end of the rowed piles, and then a plurality of struts, the distance between every two adjacent support rods 300 is between 2 and 3 times of the distance between every two adjacent vertical rods 100, but the distance between every two adjacent support rods 300 is not more than 4 meters, then soil is excavated outside the row piles, so that the baffles 400 can be accommodated outside the row piles, the thickness of the baffles 400 is about 20 millimeters generally, the width of the baffles 400 is not less than 0.5 meter, namely, after the depth of 0.5 meter is excavated, one baffle 400 is inserted outside the row piles, after the depth of the outside of the row piles is 1 meter, soil is excavated again inside the two row piles, and simultaneously the baffles 400 are accommodated outside the row piles, until the depth of 2.5 meters is excavated inside the two row piles, construction is completed, the two baffles 400 adjacent to the top and the bottom are connected through buried ropes, and then the vertical rods 100 are longer than 1.5 meters under the soil layer 500.
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 (8)

1. A pipeline foundation pit support is characterized in that: the method comprises the following steps:
the row pile comprises a plurality of vertical rods (100), the vertical rods (100) are round pipes, the vertical rods (100) are vertically arranged, the vertical rods (100) are arranged in a plurality, the vertical rods (100) are sequentially and transversely arranged at intervals, two row piles are arranged in parallel and oppositely, the inner side is arranged between the two row piles, and the two row piles are separated by a certain distance;
the waist beams (200) are horizontally arranged at the upper parts of the row piles, two waist beams (200) are arranged, and the two waist beams (200) are respectively arranged at the inner sides of the two row piles;
the two ends of each support rod (300) are respectively abutted against the two wales (200), a plurality of support rods (300) are arranged, all the support rods (300) are arranged between the two wales (200), and all the support rods (300) are sequentially arranged at intervals;
the number of the baffles (400) is at least two, and at least one baffle (400) is arranged on the outer side of each row of piles.
2. The pipe foundation pit support of claim 1, wherein: the length of the baffle (400) is greater than the distance between every two adjacent vertical rods (100), the baffles (400) are sequentially arranged into a row from top to bottom, and the baffles (400) are arranged on the outer side of the row of piles in multiple rows.
3. The pipe foundation pit support of claim 2, wherein: the baffle (400) comprises at least two connecting holes (401), at least one connecting hole (401) is formed in the upper portion of the baffle (400), at least one connecting hole (401) is formed in the lower portion of the baffle (400), and every two baffle (400) which are adjacent up and down are connected through the connecting hole (401).
4. The pipe foundation pit support of claim 1, wherein: the upright stanchion (100) comprises a rib plate (101), the rib plate (101) is fixedly arranged on the upper part of the inner side of the upright stanchion (100), the top surface of the rib plate (101) is a horizontal plane, and the waist beam (200) is arranged on the top surface of the rib plate (101).
5. The pipe foundation pit support of claim 1, wherein: the waist rail (200) is made of I-shaped steel, the outer side face of one flange of the waist rail (200) is abutted to the inner side of the vertical rod (100), and the outer side face of the other flange of the waist rail (200) is abutted to the support rod (300).
6. The pipe foundation pit support of claim 1, wherein: vaulting pole (300) are including butt portion (301), butt portion (301) have two, two butt portion (301) set up respectively in the top of the both ends face of vaulting pole (300), butt portion (301) stretch out outside the terminal surface of vaulting pole (300), the bottom surface of butt portion (301) is the plane, the both ends face of vaulting pole (300) respectively with two the inside wall of waist rail (200) offsets, the bottom surface of butt portion (301) with the top surface of waist rail (200) offsets.
7. The pipe foundation pit support of claim 1, wherein: the length of the upright rod (100) is between four meters and six meters.
8. The pipe foundation pit support of claim 1, wherein: the distance between every two adjacent vertical rods (100) is equal, and the distance between every two adjacent stay bars (300) is equal.
CN202021010728.XU 2020-06-04 2020-06-04 Pipeline foundation pit support Active CN212983886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021010728.XU CN212983886U (en) 2020-06-04 2020-06-04 Pipeline foundation pit support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021010728.XU CN212983886U (en) 2020-06-04 2020-06-04 Pipeline foundation pit support

Publications (1)

Publication Number Publication Date
CN212983886U true CN212983886U (en) 2021-04-16

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ID=75423926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021010728.XU Active CN212983886U (en) 2020-06-04 2020-06-04 Pipeline foundation pit support

Country Status (1)

Country Link
CN (1) CN212983886U (en)

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