CN211057808U - Span pipeline of foundation ditch and suspend protection architecture in midair - Google Patents

Span pipeline of foundation ditch and suspend protection architecture in midair Download PDF

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Publication number
CN211057808U
CN211057808U CN201921867337.7U CN201921867337U CN211057808U CN 211057808 U CN211057808 U CN 211057808U CN 201921867337 U CN201921867337 U CN 201921867337U CN 211057808 U CN211057808 U CN 211057808U
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double
spliced
shaped steel
steel
plate
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CN201921867337.7U
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Chinese (zh)
Inventor
亢天之
卫民
赵永生
张雪利
顾鹏飞
王海平
沙楠
李群
田磊
张争
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Beijing Uni Construction 1st Development And Construction Co ltd
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Beijing Uni Construction 1st Development And Construction Co ltd
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Abstract

The utility model belongs to the technical field of the pipeline suspends technique in midair and specifically relates to a span pipeline of foundation ditch suspends protection architecture in midair. The device comprises fender posts and a power pipe trench, wherein the fender posts and the power pipe trench are poured in a foundation, the fender posts are arranged on two sides of the power pipe trench in the length direction, and the top of each fender post is provided with an embedded steel plate; double-spliced H-shaped steel is fixedly arranged on the embedded steel plate, and first batten plates are arranged at the top and the bottom of the double-spliced H-shaped steel; a transverse partition plate is arranged between the double-spliced H-shaped steel opposite to the two sides along the length direction of the power pipe ditch; a bottom paving board is arranged at the bottom of the power pipe ditch, double-spliced I-shaped steel is arranged below the bottom paving board, the length direction of the double-spliced I-shaped steel stretches across the power pipe ditch, and second batten plates are arranged at the top and the bottom of the double-spliced I-shaped steel; and a fixed connecting piece is arranged between the double-spliced H-shaped steel and the double-spliced I-shaped steel. The utility model provides a pair of span pipeline of foundation ditch suspends protection architecture in midair guarantees the intensity that suspends in midair of electric power trench, and then the safety of protection piping lane construction.

Description

Span pipeline of foundation ditch and suspend protection architecture in midair
Technical Field
The utility model belongs to the technical field of the pipeline suspends technique in midair and specifically relates to a span pipeline of foundation ditch suspends protection architecture in midair.
Background
When building utility tunnel underground, need adopt open cut method construction, through earlier stage on-the-spot reconnaissance each other with pipeline planning drawing, treat that the piping lane is north-south, known electric power tunnel is east-west to, cross at piping lane pile number 0+675 position cross, it is about 18 meters to cross length, vertical position relation is at the bottom of the electric power trench structure apart from treating to build piping lane roof 0.8m, the electric power trench spans the utility tunnel foundation ditch, the structural strength of piping lane excavation serious threat electric power trench, thereby influence piping lane construction progress.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a span pipeline of foundation ditch suspends protection architecture in midair guarantees the intensity of suspending in midair of electric power trench, and then the safety of protection piping lane construction.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a span pipeline of foundation ditch suspends protection architecture in midair, is including pouring fender pile and the electric power trench in the ground, its characterized in that: the fender posts are arranged on two sides of the length direction of the power pipe trench, and embedded steel plates are arranged at the tops of the fender posts;
the embedded steel plate is fixedly provided with double-spliced H-shaped steel, and the top and the bottom of the double-spliced H-shaped steel are provided with first batten plates; a transverse partition plate is arranged between the double-spliced H-shaped steel opposite to the two sides along the length direction of the power pipe ditch;
a bottom paving wood plate is arranged at the bottom of the power pipe ditch, double-spliced I-shaped steel is arranged below the bottom paving wood plate, the length direction of the double-spliced I-shaped steel stretches across the power pipe ditch, and second batten plates are arranged at the top and the bottom of the double-spliced I-shaped steel; and a fixed connecting piece is arranged between the double-spliced H-shaped steel and the double-spliced I-shaped steel.
By adopting the technical scheme, the embedded steel plate is arranged at the top of the fender post and used for welding the double-spliced H-shaped steel, and then the double-spliced H-shaped steel is fixed at the top of the fender post; a diaphragm plate is welded between the double-spliced H-shaped steel opposite to the two sides along the length direction of the power pipe ditch so as to keep the shape of the cross section, enhance the transverse rigidity and ensure the integral stability of the double-spliced H-shaped steel; a bottom paving wood plate is arranged at the bottom of the power pipe ditch, the length direction of the double-spliced I-shaped steel stretches across the power pipe ditch, and the double-spliced H-shaped steel is fixedly connected with the double-spliced I-shaped steel, so that the fixed suspension of the bottom of the power pipe ditch is ensured, and the stress concentration at the double-spliced I-shaped steel is prevented; the top and the bottom of double-spliced H-shaped steel are provided with first batten plates, and the top and the bottom of double-spliced I-shaped steel are provided with second batten plates for connecting and improving the strength of the section steel.
The utility model discloses further set up to: the fixed connecting piece comprises a first anchor plate, a second anchor plate, a first threaded sleeve, a second threaded sleeve and a deformed steel bar;
the first anchor plate is arranged at the top of the double-spliced H-shaped steel, and the second anchor plate is arranged at the bottom of the double-spliced I-shaped steel; the first anchor plate and the second anchor plate are provided with the deformed steel bars in a penetrating manner and are respectively screwed with the first threaded sleeve and the second threaded sleeve.
Through adopting above-mentioned technical scheme, the I-steel is the direct bearing structure of electric power trench to the double pin, adopts the screw-thread steel with its and double pin H shaped steel fixed connection, constitutes the protection architecture that suspends in midair of electric power trench, guarantees joint strength and overall structure's intensity.
The utility model discloses further set up to: the cross section direction of the double-spliced H-shaped steel is also provided with the diaphragm plate.
By adopting the technical scheme, the section shape of the double-spliced H-shaped steel is further ensured, the transverse rigidity is enhanced, and the overall stability of the double-spliced H-shaped steel is ensured.
The utility model discloses further set up to: the transverse partition plate is opposite to the fender post in the cross section direction of the double-spliced H-shaped steel.
Through adopting above-mentioned technical scheme, the stress point of double pin H shaped steel is mainly located fender pile welding department, just welds the cross slab to fender pile department in the cross-sectional direction of double pin H shaped steel, guarantees the bending strength of stress concentration department on the double pin H shaped steel, improves the bulk strength that suspends protective structure in midair.
The utility model discloses further set up to: the fender pile comprises a steel reinforcement cage, and the embedded steel plate is horizontally arranged at the top of the steel reinforcement cage.
Through adopting above-mentioned technical scheme, with pre-buried steel sheet horizontal welding on the steel reinforcement cage of fender pile, then pour concrete into to the steel reinforcement cage and pour into the fender pile to realize the pre-buried construction of pre-buried steel sheet.
The utility model discloses further set up to: and a plurality of double-spliced I-shaped steels are arranged along the length direction of the power pipe ditch at equal intervals.
Through adopting above-mentioned technical scheme, guarantee that electric power trench length direction has a plurality of stress points, and then guarantee the security of hanging in midair.
The utility model discloses further set up to: a plurality of first lacing plates are arranged along the length direction of the double-spliced H-shaped steel at equal intervals.
Through adopting above-mentioned technical scheme, guarantee the bending strength of double pin H shaped steel length direction.
The utility model discloses further set up to: and a plurality of second batten plates are arranged along the length direction of the double-spliced I-shaped steel at equal intervals.
Through adopting above-mentioned technical scheme, guarantee double pin I-steel length direction's bending strength.
To sum up, the utility model discloses a beneficial technological effect does:
1. installing an embedded steel plate at the top of the fender pile for welding double-spliced H-shaped steel, and further fixing the double-spliced H-shaped steel at the top of the fender pile; a diaphragm plate is welded between the double-spliced H-shaped steel opposite to the two sides along the length direction of the power pipe ditch so as to keep the shape of the cross section, enhance the transverse rigidity and ensure the integral stability of the double-spliced H-shaped steel; a bottom paving wood plate is arranged at the bottom of the power pipe ditch, the length direction of the double-spliced I-shaped steel stretches across the power pipe ditch, and the double-spliced H-shaped steel is fixedly connected with the double-spliced I-shaped steel, so that the fixed suspension of the bottom of the power pipe ditch is ensured, and the stress concentration at the double-spliced I-shaped steel is prevented; the top and the bottom of double-spliced H-shaped steel are provided with first batten plates, and the top and the bottom of double-spliced I-shaped steel are provided with second batten plates for connecting and improving the strength of the section steel.
2. The double-spliced I-shaped steel is a direct supporting structure of the power pipe ditch, and is fixedly connected with the double-spliced H-shaped steel by adopting the deformed steel bar to form a suspension protection structure of the power pipe ditch, so that the connection strength and the strength of the whole structure are ensured.
3. The cross-sectional direction of double pin H shaped steel is provided with the cross slab guarantees double pin H shaped steel's cross sectional shape, reinforcing transverse rigidity, guarantees double pin H shaped steel overall stability.
Drawings
Fig. 1 is a schematic structural view of a pipeline suspension protection structure spanning a foundation pit according to the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a schematic view of the matching relationship between the double-spliced H-shaped steel and the diaphragm plate of the pipeline suspension protection structure crossing the foundation pit according to the present invention;
fig. 4 is a schematic view of the matching relationship between the double-spliced H-section steel and the first batten plate of the pipeline suspension protection structure crossing the foundation pit according to the present invention;
fig. 5 is a schematic view of the matching relationship between the double-spliced i-shaped steel and the second batten plate of the pipeline suspension protection structure crossing the foundation pit according to the present invention;
fig. 6 is a schematic view of the matching relationship between the double-spliced H-section steel and the first anchor plate of the pipeline suspension protection structure crossing the foundation pit according to the present invention;
fig. 7 is a schematic diagram of the matching relationship between the double-spliced i-steel and the second anchor plate of the pipeline suspension protection structure spanning the foundation pit.
In the figure, 101, a power pipe ditch; 102. a pipe gallery; 201. a fender pile; 202. double-spliced H-shaped steel; 203. a first gusset plate; 204. a diaphragm plate; 205. a first anchor plate; 206. a first threaded sleeve; 207. deformed steel bar; 208. pre-burying a steel plate; 301. paving a bottom wood board; 302. double-spliced I-shaped steel; 303. a second anchor plate; 304. a second threaded sleeve; 305. a second gusset plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a span pipeline of foundation ditch and suspend protective structure in midair guarantees the intensity that suspends in midair of electric power trench, and then the safety of protection piping lane construction.
Referring to fig. 1 and 2, for the utility model discloses a span pipeline of foundation ditch suspends protection architecture in midair, including pouring fender pile 201 and the electric power pipe ditch 101 in the ground, electric power pipe ditch 101 is located the top of piping lane 102 roof, has pour fender pile 201 respectively in the both sides of electric power pipe ditch 101, has embedded steel plate 208 at the reinforcing bar cage top horizontal welding of fender pile 201 before pouring, then pours into fender pile 201 to pouring concrete in the reinforcing bar cage, realizes embedded steel plate 208's pre-buried construction. The embedded steel plate 208 is welded with double-spliced H-shaped steel 202, the length of the double-spliced H-shaped steel 202 is parallel to the length direction of the power pipe ditch 101, and a diaphragm plate 204 is welded between the double-spliced H-shaped steel 202 opposite to the two sides of the power pipe ditch 101; referring to fig. 3, the diaphragm plate 204 is parallel to the cross-sectional direction of the double-spliced H-shaped steel 202, and the diaphragm plate 204 is welded to the cross-section of the double-spliced H-shaped steel 202 to maintain the cross-sectional shape and enhance the transverse rigidity, thereby ensuring the overall stability of the double-spliced H-shaped steel 202; the diaphragm plate 204 is just right fender post 201 on the cross-sectional direction of double pin H shaped steel 202, and the stress point of double pin H shaped steel 202 is mainly located fender post 201 welding department, just right fender post 201 department welding diaphragm plate 204 on the cross-sectional direction of double pin H shaped steel 202, guarantees the bending strength of stress concentration department on the double pin H shaped steel 202, improves the bulk strength of hanging in midair protection architecture. Referring to fig. 1 and 4, the first gusset plates 203 are welded to the top and bottom of the double-spliced H-section steel 202, and a plurality of first gusset plates 203 are welded at equal intervals in the length direction of the double-spliced H-section steel 202 for coupling and improving the bending strength of the double-spliced H-section steel 202 in the length direction.
Referring to fig. 1 and 2, a flooring plank 301 is installed at the bottom of the power pipe trench 101, and the flooring plank 301 is used for protecting a waterproof structure at the bottom of the power pipe trench 101 and increasing a supporting area. The double-spliced I-shaped steel 302 is arranged below the bottom-paving wood board 301, the length direction of the double-spliced I-shaped steel 302 stretches across the power pipe ditch 101, and a plurality of double-spliced I-shaped steel 302 are arranged at equal intervals along the length direction of the power pipe ditch 101, so that a plurality of stress points are arranged in the length direction of the power pipe ditch 101, and the suspension safety is further ensured. The double-spliced H-shaped steel 202 is fixedly connected with the double-spliced I-shaped steel 302, so that the bottom of the power pipe ditch 101 is fixed and suspended, and the stress concentration at the position of the double-spliced I-shaped steel 302 is prevented. Referring to fig. 5, the top and the bottom of the double-spliced i-beam 302 are welded with second gusset plates 305, and a plurality of second gusset plates 305 are welded at equal intervals along the length direction of the double-spliced i-beam 302 for connecting and improving the bending strength of the double-spliced i-beam 302 in the length direction.
Referring to fig. 2, a fixed connecting piece is connected between the double-spliced H-beam 202 and the double-spliced i-beam 302, and the fixed connecting piece comprises a first anchor plate 205, a second anchor plate 303, a first threaded sleeve 206, a second threaded sleeve 304 and a threaded steel 207; referring to fig. 6 and 7, a first anchor plate 205 is installed on the top of the double-spliced H-beam 202, and a second anchor plate 303 is installed on the bottom of the double-spliced i-beam 302; referring again to fig. 2, the deformed steel bars 207 penetrate through the first and second anchor plates 205 and 303, and both ends of the deformed steel bars extending out of the first and second anchor plates 205 and 303 are screwed and fixed by the first and second threaded sleeves 206 and 304, respectively. The double-spliced I-shaped steel 302 is a direct supporting structure of the power pipe ditch 101, and is fixedly connected with the double-spliced H-shaped steel 202 by adopting the deformed steel 207 to form a suspension protection structure of the power pipe ditch 101, so that the connection strength and the strength of the whole structure are ensured. Here, the deformed steel bar 207 is a C25 finish-rolled deformed steel bar, the finish-rolled deformed steel bar is subjected to tensioning prestress, the tension value is controlled by tension and power ditch displacement, the tension is controlled at 74KN, and the finish-rolled deformed steel bar on the same section is simultaneously tensioned at the tensioning prestress, so that the tension is ensured to reach the design value, the finish-rolled deformed steel bar is uniformly stressed, and the phenomenon that the power pipe ditch 101 is cracked or a concrete structure is damaged due to uneven stress is prevented. And after the construction is finished, the construction is excavated forwards until the position of 1.8 meters below the bottom surface of the pipeline structure. In order to prevent the electric square ditch cushion layer from falling off and generating unsafe factors in the construction process of the pipe gallery 102, the cushion layer at the bottom of the electric square ditch needs to be completely removed, and downward excavation can be continued after the electric square ditch cushion layer is completely removed.
The utility model provides a span pipeline of foundation ditch suspends protection architecture in midair, its construction process flow is: construction preparation → construction of cast-in-situ bored piles → excavation of earth → suspension of pipelines → arrangement of monitoring points → backfilling of pipelines.
The implementation principle of the embodiment is as follows: installing an embedded steel plate 208 on the top of the fender post 201 for welding the double-spliced H-shaped steel 202, and further fixing the double-spliced H-shaped steel 202 on the top of the fender post 201; along the length direction of the power pipe ditch 101, a diaphragm plate 204 is welded between the double-spliced H-shaped steel 202 opposite to two sides so as to keep the section shape, enhance the transverse rigidity and ensure the integral stability of the double-spliced H-shaped steel 202; a bottom-laying wood plate 301 is installed at the bottom of the power pipe ditch 101, the double-spliced H-shaped steel 302 stretches across the power pipe ditch 101 in the length direction, and the double-spliced H-shaped steel 202 is fixedly connected with the double-spliced H-shaped steel 302, so that the fixed suspension of the bottom of the power pipe ditch 101 is ensured, and the stress concentration at the double-spliced H-shaped steel 302 is prevented; the top and the bottom of the double-spliced H-shaped steel 202 are provided with first batten plates 203, and the top and the bottom of the double-spliced I-shaped steel 302 are provided with second batten plates 305 for connecting and improving the strength of the section steel; the double-spliced I-shaped steel 302 is a direct supporting structure of the power pipe ditch 101, and is fixedly connected with the double-spliced H-shaped steel 202 by adopting the deformed steel 207 to form a suspension protection structure of the power pipe ditch 101, so that the connection strength and the strength of the whole structure are ensured; the cross-sectional direction of the double-spliced H-shaped steel 202 is provided with the diaphragm plate 204, so that the cross-sectional shape and the transverse rigidity of the double-spliced H-shaped steel 202 are ensured, and the overall stability of the double-spliced H-shaped steel 202 is ensured.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a span pipeline of foundation ditch suspends protection architecture in midair, includes fender pile (201) and electric power trench (101) of pouring in the ground, its characterized in that: the fender post (201) is arranged on two sides of the length direction of the power pipe ditch (101), and an embedded steel plate (208) is arranged at the top of the fender post (201);
the embedded steel plate (208) is fixedly provided with double-spliced H-shaped steel (202), and the top and the bottom of the double-spliced H-shaped steel (202) are provided with first batten plates (203); a diaphragm plate (204) is arranged between the double-spliced H-shaped steel (202) opposite to each other on two sides along the length direction of the power pipe ditch (101);
a bottom paving wood plate (301) is arranged at the bottom of the power pipe ditch (101), double-spliced I-shaped steel (302) is arranged below the bottom paving wood plate (301), the length direction of the double-spliced I-shaped steel (302) stretches across the power pipe ditch (101), and second gusset plates (305) are arranged at the top and the bottom of the double-spliced I-shaped steel (302); and a fixed connecting piece is arranged between the double-spliced H-shaped steel (202) and the double-spliced I-shaped steel (302).
2. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: the fixed connection comprises a first anchor plate (205), a second anchor plate (303), a first threaded sleeve (206), a second threaded sleeve (304) and a deformed steel bar (207);
the first anchor plate (205) is arranged at the top of the double-spliced H-shaped steel (202), and the second anchor plate (303) is arranged at the bottom of the double-spliced I-shaped steel (302); the thread steel (207) penetrates between the first anchor plate (205) and the second anchor plate (303), and the first thread sleeve (206) and the second thread sleeve (304) are screwed down respectively.
3. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: the cross section direction of the double-spliced H-shaped steel (202) is also provided with the diaphragm plate (204).
4. A pipeline suspension protection structure across a foundation pit as claimed in claim 3, wherein: the diaphragm plate (204) is over against the fender post (201) in the cross section direction of the double-spliced H-shaped steel (202).
5. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: the fender post (201) comprises a steel reinforcement cage, and the embedded steel plate (208) is horizontally arranged at the top of the steel reinforcement cage.
6. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: a plurality of double-spliced I-shaped steel (302) are arranged along the length direction of the power pipe ditch (101) at equal intervals.
7. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: a plurality of first batten plates (203) are arranged at equal intervals along the length direction of the double-spliced H-shaped steel (202).
8. A pipeline suspension protection structure across a foundation pit as claimed in claim 1, wherein: a plurality of second batten plates (305) are arranged at equal intervals along the length direction of the double-spliced I-shaped steel (302).
CN201921867337.7U 2019-10-31 2019-10-31 Span pipeline of foundation ditch and suspend protection architecture in midair Active CN211057808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921867337.7U CN211057808U (en) 2019-10-31 2019-10-31 Span pipeline of foundation ditch and suspend protection architecture in midair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921867337.7U CN211057808U (en) 2019-10-31 2019-10-31 Span pipeline of foundation ditch and suspend protection architecture in midair

Publications (1)

Publication Number Publication Date
CN211057808U true CN211057808U (en) 2020-07-21

Family

ID=71588628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921867337.7U Active CN211057808U (en) 2019-10-31 2019-10-31 Span pipeline of foundation ditch and suspend protection architecture in midair

Country Status (1)

Country Link
CN (1) CN211057808U (en)

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