CN114263157A - Prevention device for uneven settlement disaster among underground pipe groups - Google Patents

Prevention device for uneven settlement disaster among underground pipe groups Download PDF

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Publication number
CN114263157A
CN114263157A CN202210078354.2A CN202210078354A CN114263157A CN 114263157 A CN114263157 A CN 114263157A CN 202210078354 A CN202210078354 A CN 202210078354A CN 114263157 A CN114263157 A CN 114263157A
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bearing
pressure
pipe
box
teeth
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CN114263157B (en
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汪洪平
周思成
杨杰
艾方衡
韩俊
王天雄
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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Abstract

The invention discloses a device for preventing a non-uniform settlement disaster between underground pipe groups, which comprises the existing pipe groups, a newly-built box culvert and a pressure-bearing box arranged between the existing pipe groups and the newly-built box culvert, wherein a bottom plate of the existing pipe groups and a top plate of the newly-built box culvert are respectively and fixedly connected with an upper rigid grid plate and a lower rigid grid plate, a plurality of pressure-bearing boxes are arranged between the upper rigid grid plate and the lower rigid grid plate, and the pressure-bearing box can be extended in a single direction. The upper and lower bearing pipes are arranged in the bearing box, and the sliding of the bearing box is controlled by the bearing teeth between the bearing pipes, so that the purpose that the bearing box can be extended in a single direction is achieved, the extension of the bearing box when a newly-built box culvert is settled is realized, and the function of supporting and protecting the bottom plate of the existing pipe group can be realized after the settlement is stable; set up pressure-bearing transition spring simultaneously around upper and lower pressure-bearing pipe, reach the transition to current tube bank atress before newly-built box culvert subsides stably, prolong newly-built box culvert settlement in-process to the purpose of current situation tube bank support time, better protection current tube bank.

Description

Prevention device for uneven settlement disaster among underground pipe groups
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a device for preventing a non-uniform settlement disaster among underground pipe groups.
Background
In urban road engineering, the settlement of road foundations and the repair of the void parts at the lower parts of concrete plates are started after the plates are damaged or nondestructive detection is adopted before the plates are damaged, and then the hole drilling and grouting reinforcement repair is carried out on the void parts.
The traditional detection and repair methods for the roadbed void part under the concrete plate are more and are usually limited to the void part under the concrete plate, but the detection precision is difficult to guarantee when the detection is carried out in a deeper underground range and the detection is influenced by various underground pipe groups; meanwhile, the existing drilling grouting reinforcement technology mostly adopts vertical drilling grouting, and the treatment research on the void part between pipe groups in a certain underground depth range is less. The lower part of the existing pipe group is emptied after the newly-built pipe group is settled, so that the existing pipe group is stressed unevenly and has larger potential safety hazard. Detection or excavation repair is typically initiated after an accident has occurred.
In view of this, according to the actual need, it is needed to invent a device which can not only adapt to the settlement of the underground newly-built box culvert, but also protect the existing pipe group
Disclosure of Invention
The invention provides a device for preventing a disaster caused by uneven settlement among underground pipe groups, and aims to solve the problems that newly built pipes and culverts in the existing municipal engineering roads and drainage engineering and stress concentration and damage are caused by the fact that the bottoms of the existing pipe groups are hollowed due to uneven settlement of the newly built pipes and culverts among the existing pipe groups
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides an inhomogeneous settlement calamity prevention device between underground pipe crowd, is in including current pipe crowd, newly-built box culvert and setting pressure-bearing box between current pipe crowd and the newly-built box culvert, wherein current pipe crowd bottom plate with on the newly-built box culvert roof respectively fixed connection go up rigidity grid plate and rigidity grid plate down, it is equipped with a plurality of pressure-bearing boxes to go up between rigidity grid plate and the lower rigidity grid plate, but pressure-bearing box one-way extension.
Further, the pressure-bearing box comprises a pressure-bearing box top plate, a pressure-bearing box bottom plate, an upper pressure-bearing pipe and a lower pressure-bearing pipe, the upper pressure-bearing pipe is fixedly connected below the pressure-bearing box top plate, the lower pressure-bearing pipe is fixedly connected above the pressure-bearing box bottom plate, telescopic cylinders are arranged on the outer sides of the upper pressure-bearing pipe and the lower pressure-bearing pipe, and the upper pressure-bearing pipe is arranged on the outer side of the lower pressure-bearing pipe; the contact surface of the upper pressure bearing pipe and the lower pressure bearing pipe controls the sliding of the pressure bearing box through the pressure bearing teeth, so that the purpose that the pressure bearing box can extend in a single direction is achieved.
Further, the upper pressure-bearing teeth comprise upper pressure-bearing teeth arranged in the upper pressure-bearing pipe and a lower pressure-bearing pipe arranged in the lower pressure-bearing pipe, wherein contact surfaces of the upper pressure-bearing pipe and the lower pressure-bearing pipe are respectively provided with an inward groove, the upper pressure-bearing teeth are slidably mounted in the grooves of the upper pressure-bearing pipe, the lower pressure-bearing teeth are slidably mounted in the grooves of the lower pressure-bearing pipe, a thrust spring is arranged between the contact surfaces of the upper pressure-bearing teeth and the grooves, the outer sides of the upper pressure-bearing teeth and the lower pressure-bearing teeth are respectively provided with clamping teeth, the clamping teeth are arc-shaped surfaces, and the contact edges of the clamping teeth surfaces of the upper pressure-bearing teeth and the lower pressure-bearing teeth are provided with enough contact surfaces to block the upper pressure-bearing pipe and the lower pressure-bearing pipe from sliding under pressure.
Furthermore, the upper side and the lower side of the inward groove of the upper pressure bearing pipe and the lower pressure bearing pipe are respectively provided with a protruding clamping rod.
Furthermore, a pressure-bearing transition spring is annularly arranged outside the upper pressure-bearing pipe, and the upper end and the lower end of the pressure-bearing transition spring are respectively fixed with a top plate and a bottom plate of the pressure-bearing box.
Furthermore, the contact surfaces of the upper rigid grid plate and the lower rigid grid plate, the current pipe group bottom plate and the newly-built box culvert top plate are damped by rubber pads, so that stress concentration damage of concrete is prevented.
Compared with the prior art, the invention has the following beneficial effects:
1. rigid grid plates are respectively arranged on a newly-built box culvert top plate and an existing pipe group bottom plate, and a pressure-bearing box is arranged between the upper rigid grid plate and the lower rigid grid plate, so that the existing pipe group can still be supported by stress after the newly-built box culvert is settled, and the damage caused by excessive settlement in the existing pipe group is prevented;
2. the upper and lower bearing pipes are arranged in the bearing box, and the sliding of the bearing box is controlled by the bearing teeth between the bearing pipes, so that the purpose that the bearing box can be extended in a single direction is achieved, the extension of the bearing box when a newly-built box culvert is settled is realized, and the function of supporting and protecting the bottom plate of the existing pipe group can be realized after the settlement is stable; meanwhile, pressure-bearing transition springs are arranged around the upper pressure-bearing pipe and the lower pressure-bearing pipe, so that the purposes of force-bearing transition of the existing pipe group before the settlement of the newly-built box culvert is stable and prolonging the support time of the existing pipe group in the settlement process of the newly-built box culvert are achieved, and the existing pipe group is better protected;
3. the telescopic cylinders are arranged on the periphery of the pressure-bearing box, so that the structure in the pressure-bearing box is separated from the backfill material outside the pressure-bearing box, the protection of the structure in the pressure-bearing box is realized, and the use of the pressure-bearing box is ensured.
Drawings
FIG. 1 is a first plan view of the present invention.
FIG. 2 is a second plan view of the present invention.
FIG. 3 is a sectional view taken along line 1-1 of the first plan view of the present invention.
Fig. 4 is a schematic structural diagram of the pressure-bearing box of the invention.
FIG. 5 is a schematic view of a pressure tooth according to the present invention.
In the figure, 1-new box culvert, 2-existing pipe group, 3-projection of existing pipe group on new box culvert, 4-lower rigid grid Plate, 5-road structure layer, 6-roadbed backfill, 7-upper rigid grid plate, 8-fixing bolt, 9-pressure-bearing box and 10-pressure-bearing box top A plate, 11-a pressure-bearing box bottom plate, 12-a telescopic cylinder, 13-a pressure-bearing transition spring, 14-an upper pressure-bearing pipe, 15-a lower pressure-bearing pipe, 16-a pressure-bearing tooth, 17-upper pressure-bearing teeth, 18-thrust springs, 19-clamping rods, 20-clamping teeth and 21-lower pressure-bearing teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The embodiment provides an inhomogeneous settlement calamity prevention device between underground pipe crowd, be in including current pipe crowd 2, newly-built box culvert 1 and setting pressure-bearing box 9 between current pipe crowd 2 and the newly-built box culvert 1, wherein current pipe crowd 2 bottom plate with on the newly-built box culvert 1 roof respectively fixed connection go up rigid grid plate 7 and lower rigid grid plate 4, go up rigid grid plate 7 and be equipped with a plurality of pressure-bearing boxes 9 down between the rigid grid plate 4, but pressure-bearing box 9 one-way extension.
As shown in fig. 1 and 2, newly-built box culvert 1 is located present tube bank 2 below, the projection of present tube bank 2 on newly-built box culvert is 3, as shown in fig. 3, still be equipped with road bed backfill 6 and road structure layer 5 from the bottom up in proper order above present tube bank 2, be equipped with rigid grid plate 7 below present tube bank 2, go up rigid grid plate 7 and pass through fixing bolt 8 and present tube bank 2 bottom plate fixed connection, newly-built box culvert 1 top is equipped with lower rigid grid plate 4, lower rigid grid plate 4 passes through fixing bolt 8 and newly-built box culvert 1 roof fixed connection. The top plate 10 and the bottom plate of the pressure-bearing box are respectively fixed on the upper rigid grid plate 4 and the lower rigid grid plate 4 through the fixing bolts 8, so that the purpose that the pressure-bearing box extends through the increase of the distance between the top plate 10 and the bottom plate of the pressure-bearing box when the newly-built box culvert 1 is settled is achieved. The contact surfaces of the upper rigid grid plate and the lower rigid grid plate, the current pipe group bottom plate and the newly-built box culvert 1 top plate are damped by rubber pads, so that stress concentration damage of concrete is prevented.
In a further preferred embodiment, the pressure-bearing box comprises a pressure-bearing box top plate 10, a pressure-bearing box bottom plate 11, an upper pressure-bearing pipe 14 and a lower pressure-bearing pipe 15, the upper pressure-bearing pipe 14 is fixedly connected below the pressure-bearing box top plate 10, the lower pressure-bearing pipe 15 is fixedly connected above the pressure-bearing box bottom plate 11, telescopic cylinders 12 are arranged outside the upper pressure-bearing pipe 14 and the lower pressure-bearing pipe 15, the upper end and the lower end of each telescopic cylinder 12 are respectively fixed on the pressure-bearing box top plate and the pressure-bearing box bottom plate, and the purposes of separating backfill materials around the pressure-bearing box and protecting the structure in the pressure-bearing box are achieved. Wherein the upper pressure bearing pipe 14 is disposed outside the lower pressure bearing pipe 15; the contact surface of the upper pressure bearing pipe 14 and the lower pressure bearing pipe 15 controls the sliding of the pressure bearing box through the pressure bearing teeth 16, so that the purpose that the pressure bearing box can extend in a single direction is achieved. The upper and lower bearing pipes are respectively welded and fixed on the bearing box top plate 10 and the bearing box bottom plate 11, so that the extension of the new box culvert 1 during settlement or the support protection of the existing pipe group are indirectly realized.
In a further preferred embodiment, the upper pressure-bearing teeth 17 comprise upper pressure-bearing teeth 17 arranged in the upper pressure-bearing pipe 14 and a lower pressure-bearing pipe arranged in the lower pressure-bearing pipe, wherein the contact surfaces of the upper pressure-bearing pipe 14 and the lower pressure-bearing pipe are respectively provided with an inward groove, the upper pressure-bearing teeth 17 are slidably mounted in the grooves of the upper pressure-bearing pipe 14, the lower pressure-bearing teeth 21 are slidably mounted in the grooves of the lower pressure-bearing pipe, a thrust spring 18 is arranged between the contact surfaces of the upper pressure-bearing teeth 17 and the lower pressure-bearing teeth 21 and the grooves, the outer sides of the upper pressure-bearing teeth 17 and the lower pressure-bearing teeth 21 are respectively provided with latch teeth 20, the latch teeth 20 are arc-shaped surfaces, and the latch teeth 20 of the upper pressure-bearing teeth 17 and the lower pressure-bearing teeth 21 contact with each other surface to leave enough contact surface to prevent the upper pressure-bearing pipe and the lower pressure-bearing pipe from sliding. The inward concave grooves of the upper pressure bearing pipe 14 and the lower pressure bearing pipe are respectively provided with a protruding clamping bar 19 at the upper side and the lower side. When the pressure-bearing box is pulled up, the upper pressure-bearing pipe 14 slides upwards, the lower pressure-bearing pipe slides downwards, and the upper pressure-bearing teeth and the lower pressure-bearing teeth retreat due to the stress of the cambered surfaces of the latch 20, so that the upper pressure-bearing pipe and the lower pressure-bearing pipe can extend normally; when the pressure-bearing box is stressed and compressed, the upper and lower latch teeth enable the long contact edges of the upper and lower latch teeth to leave enough contact surfaces under the action of the thrust spring 18 to prevent the upper and lower pressure-bearing pipes from being pressed and sliding, and the purpose of unidirectional extension of the pressure-bearing box is achieved.
In a further preferred embodiment, the upper pressure-bearing pipe 14 is externally and circumferentially provided with a pressure-bearing transition spring 13, and the upper end and the lower end of the pressure-bearing transition spring 13 are respectively fixed with a top plate and a bottom plate of the pressure-bearing box. The pressure-bearing transition springs 13 are arranged along the outer annular direction of the upper pressure-bearing pipe and the lower pressure-bearing pipe, the upper end and the lower end of each pressure-bearing transition spring 13 are fixed with the top plate and the bottom plate of the pressure-bearing box respectively, and the current pipe group is temporarily supported through the pressure-bearing transition springs 13 in the extension process of the pressure-bearing box of the newly-built box culvert 1.
The construction process of the invention is as follows:
1. manufacturing and mounting upper and lower rigid grating plates and pressure-bearing box
1.1, manufacturing an upper rigid grid plate and a lower rigid grid plate by using rigid materials, and damping by using rubber pads on contact surfaces of the upper rigid grid plate and the lower rigid grid plate with a current pipe group bottom plate and a newly-built box culvert top plate so as to prevent stress concentration damage of concrete; the upper rigid grid plate and the lower rigid grid plate are respectively fixed on the current tube bundle bottom plate and the newly-built box culvert top plate by adopting fixing bolts;
1.2 the top plate and the bottom plate of the pressure-bearing box are respectively fixed on the upper rigid grid plate and the lower rigid grid plate through fixing bolts, so that the purpose that the pressure-bearing box extends through the distance between the top plate and the bottom plate of the pressure-bearing box when the newly-built box culvert is settled is achieved.
2. Manufacturing and mounting pressure-bearing teeth and pressure-bearing pipe
2.1, respectively manufacturing an upper bearing pipe and a lower bearing pipe, wherein the bearing pipes are connected through bearing teeth, the bearing teeth are divided into upper bearing teeth and lower bearing teeth, and each bearing tooth comprises a thrust spring, a clamping rod and a clamping tooth; when the pressure-bearing box is pulled up, the upper pressure-bearing pipe slides upwards, the lower pressure-bearing pipe slides downwards, and the upper pressure-bearing teeth and the lower pressure-bearing teeth retreat due to the stress of the latch cambered surfaces, so that the upper pressure-bearing pipe and the lower pressure-bearing pipe can normally extend; when the pressure-bearing box is stressed and compressed, the upper and lower latch teeth enable the long contact edges of the upper and lower latch teeth to leave enough contact surfaces under the action of the thrust spring to block the upper and lower pressure-bearing pipes from being pressed and sliding, so that the purpose of unidirectional extension of the pressure-bearing box is realized;
2.2, the upper and lower bearing pipes are respectively welded and fixed on the bearing box top plate and the bearing box bottom plate, so that the extension of the box culvert when being newly built or the support protection of the existing pipe group is indirectly realized.
3. Manufacture of pressure-bearing transition spring and telescopic cylinder
3.1, arranging pressure-bearing transition springs along the outer circumferences of the upper pressure-bearing pipe and the lower pressure-bearing pipe, wherein the upper end and the lower end of each pressure-bearing transition spring are respectively fixed with a top plate and a bottom plate of a pressure-bearing box, and temporarily supporting the existing pipe group through the pressure-bearing transition springs in the process of extending the pressure-bearing box in the settlement of the newly-built box culvert;
3.2, manufacturing a telescopic cylinder, wherein the upper end and the lower end of the telescopic cylinder are respectively fixed on a top plate and a bottom plate of the pressure-bearing box, so that the aims of separating backfill materials around the pressure-bearing box and protecting the structure in the pressure-bearing box are fulfilled.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides an inhomogeneous settlement calamity prevention device between underground pipe crowd which characterized in that: including current tube bank, newly-built box culvert and setting be in pressure-bearing box between current tube bank and the newly-built box culvert, wherein current tube bank bottom plate with on the newly-built box culvert roof respectively fixed connection go up rigid grid plate and lower rigid grid plate, it is equipped with a plurality of pressure-bearing boxes to go up between rigid grid plate and the lower rigid grid plate, but pressure-bearing box unidirectional extension.
2. The apparatus according to claim 1, wherein the pressure-bearing box comprises a pressure-bearing box top plate, a pressure-bearing box bottom plate, an upper pressure-bearing pipe and a lower pressure-bearing pipe, the upper pressure-bearing pipe is fixedly connected below the pressure-bearing box top plate, the lower pressure-bearing pipe is fixedly connected above the pressure-bearing box bottom plate, telescopic cylinders are arranged outside the upper pressure-bearing pipe and the lower pressure-bearing pipe, and the upper pressure-bearing pipe is arranged outside the lower pressure-bearing pipe; the contact surface of the upper pressure bearing pipe and the lower pressure bearing pipe controls the sliding of the pressure bearing box through the pressure bearing teeth, so that the purpose that the pressure bearing box can extend in a single direction is achieved.
3. The apparatus according to claim 2, wherein the upper pressure-bearing teeth include upper pressure-bearing teeth provided in the upper pressure-bearing pipe and lower pressure-bearing pipes provided in the lower pressure-bearing pipe, wherein contact surfaces of the upper pressure-bearing pipe and the lower pressure-bearing pipe are respectively provided with inward grooves, the upper pressure-bearing teeth are slidably mounted in the grooves of the upper pressure-bearing pipe, the lower pressure-bearing teeth are slidably mounted in the grooves of the lower pressure-bearing pipe, thrust springs are provided between the contact surfaces of the upper pressure-bearing teeth and the lower pressure-bearing teeth and the groove contact surfaces, outer sides of the upper pressure-bearing teeth and the lower pressure-bearing teeth are respectively provided with latch teeth, the latch teeth are arc-shaped surfaces, and the latch teeth of the upper pressure-bearing teeth and the lower pressure-bearing teeth have enough contact surfaces to prevent the upper pressure-bearing pipe and the lower pressure-bearing pipe from sliding under pressure.
4. The apparatus of claim 3, wherein the inward recesses of the upper and lower pressure pipes are provided at upper and lower sides thereof with protruding locking bars, respectively.
5. The device for preventing the disaster of the differential settlement among the underground pipe groups as claimed in claim 3, wherein the upper pressure-bearing pipe is externally annularly provided with a pressure-bearing transition spring, and the upper end and the lower end of the pressure-bearing transition spring are respectively fixed with the top plate and the bottom plate of the pressure-bearing box.
6. The apparatus of claim 3, wherein the contact surfaces of the upper rigid grid plate and the lower rigid grid plate with the existing pipe bundle bottom plate and the newly-built box culvert top plate are cushioned by rubber pads to prevent the concrete from stress concentration damage.
CN202210078354.2A 2022-01-24 2022-01-24 Uneven settlement disaster prevention device between underground pipe clusters Active CN114263157B (en)

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CN202210078354.2A CN114263157B (en) 2022-01-24 2022-01-24 Uneven settlement disaster prevention device between underground pipe clusters

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CN114263157B CN114263157B (en) 2023-10-27

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2591229Y (en) * 2002-12-06 2003-12-10 李国富 Retractable whole-anchoring-bolt
CN109654302A (en) * 2018-12-20 2019-04-19 佛山市华禅能燃气设计有限公司 A kind of gas pipeline bracket of adjustable shock-proof anti-settling
CN111622268A (en) * 2020-05-29 2020-09-04 中国电建集团福建省电力勘测设计院有限公司 Protection construction method based on large rigid box culvert penetrating under power pipe gallery
CN211693777U (en) * 2020-01-07 2020-10-16 佛山市三水燃气有限公司 Gas pipe subsides compensation structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2591229Y (en) * 2002-12-06 2003-12-10 李国富 Retractable whole-anchoring-bolt
CN109654302A (en) * 2018-12-20 2019-04-19 佛山市华禅能燃气设计有限公司 A kind of gas pipeline bracket of adjustable shock-proof anti-settling
CN211693777U (en) * 2020-01-07 2020-10-16 佛山市三水燃气有限公司 Gas pipe subsides compensation structure
CN111622268A (en) * 2020-05-29 2020-09-04 中国电建集团福建省电力勘测设计院有限公司 Protection construction method based on large rigid box culvert penetrating under power pipe gallery

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