CN208899546U - A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area - Google Patents

A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area Download PDF

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CN208899546U
CN208899546U CN201821530291.5U CN201821530291U CN208899546U CN 208899546 U CN208899546 U CN 208899546U CN 201821530291 U CN201821530291 U CN 201821530291U CN 208899546 U CN208899546 U CN 208899546U
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deep foundation
permafrost
thermal insulation
sheath
freeze thawing
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CN201821530291.5U
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Inventor
曹阳
丛日立
石强
冀帅
赵明宇
闫欣欣
赵理
徐湘田
王永涛
范彩霞
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Inner Mongolia East Power Design Co Ltd
State Grid Corp of China SGCC
Inner Mongolia University
Economic and Technological Research Institute of State Grid Inner Mongolia Electric Power Co Ltd
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Inner Mongolia East Power Design Co Ltd
State Grid Corp of China SGCC
Inner Mongolia University
Economic and Technological Research Institute of State Grid Inner Mongolia Electric Power Co Ltd
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Abstract

The utility model discloses a kind of Deep Foundation Structures of the anti-freeze thawing disease in Permafrost Area, the utility model is by giving bridge, shaft tower, heat-insulated branch protecting assembly is set around the deep foundation of the structures building such as substation, the mode of heatpiston carry out basis every cooling, furthermore, the utility model also has every waterproof action, linear deformation linkage is reduced by setting resilient support assemblies, guarantee the stability on basis, the utility model carries out snubber elastomeric deformable supports using arc spring plate, both it can guarantee the support force and rigidity of resilient support, it can guarantee certain elasticity again, by way of suspension roof support, while being thermally shielded, the stability of deep foundation can be made more preferable again, guarantee the safety of building.

Description

A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area
Technical field
The utility model relates to a kind of Deep Foundation Structures of the anti-freeze thawing disease in Permafrost Area, belong to Deep Foundation Structure design Technical field.
Background technique
With a series of implementation of great national policies such as China's development of the West Regions, old industrial bases in Northeast China, one Large quantities of people's livelihood projects supported by commen people China Permafrost Area (account for about the 21.5% of national territorial area, be mainly distributed on northeastern Inner Mongolia, The ground such as Heilungkiang, Xinjiang and Qinghai-Tibet Platean) it plans and builds, such as the networking of Qinghai-Tibet Highway, Qinghai-Tibet Railway, Qinghai-Tibet direct current electric transmission and transformation The Qinghai-Tibet highway that engineering, Sino-Russian oil pipeline are exhaled distant direct current electric transmission and transformation engineering and prepared, China, Mongolia and Russia's power networking Etc. Important Projects.Since building for these engineerings can be acted on ground ever-frozen ground, basic lifting by frost thaw collapse is frequently formed Engineering problem causes the deformation failure of engineering, reduces engineering Years Of Service, a large amount of assets and the damage of personnel but will be led to when serious The tragic incident of wound, therefore thermal agitation of the engineering to the ever-frozen ground that underlies how is reduced, basis is isolated with permanent frozen soil foundation formation The critical issue built as engineering.
The utility model passes through in view of the above problems, provide a kind of Deep Foundation Structure of anti-freeze thawing disease in Permafrost Area Base is carried out to the mode that heat-insulated branch protecting assembly, heatpiston are arranged around the deep foundation of the structures building such as bridge, shaft tower, substation Plinth every cooling, meanwhile, also have every waterproof action, passing through setting resilient support assemblies reduces linear deformation linkage, guarantees base The stability of plinth.
Utility model content
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-freeze thawing disease in Permafrost Area Deep Foundation Structure comprising deep foundation, heat-insulated branch protecting assembly, resilient support assemblies, peripheral support plate, hard plastic board,
Mobile layer and permafrost form Permafrost Area ground, and mobile layer and permafrost are with Upper Limit of Permafrost For interface, deep foundation successively passes through mobile layer from earth's surface from top to bottom, Upper Limit of Permafrost reaches certain in permafrost One depth;
It is characterized in that, the outer surface of the deep foundation, which attaches, is fixedly installed the hard plastic board, the rigid plastics External attach of plate is fixedly installed the peripheral support plate, and the outside of the peripheral support plate, which also attaches, to be provided with described in one layer Hard plastic board;
The surrounding of the deep foundation, which is also laid with, carries out supporting and heat-insulated heat-insulated branch to mobile layer and permafrost Protecting assembly is provided with the resilient support assemblies between the heat-insulated branch protecting assembly and the deep foundation, will pass through its deformation Buffering isolation is carried out, the deformation of deep foundation Quito year permafrost active layer everywhere is not made to link;
The resilient support assemblies include arc spring plate, auxiliary elastic-support component and connecting support, wherein the arc The side that concaves towards of shape latch plate is arranged towards the deep foundation, and the middle part of the protrusion side of the arc spring plate passes through the attachment base It is fastened on the heat-insulated branch protecting assembly, the both ends of the concave side of the arc spring plate are resisted against the peripheral support plate On external hard plastic board, multiple sizes are additionally provided between the hard plastic board and the concave side of the arc spring plate The identical auxiliary elastic-support component of different structure.
Further, preferably, the heat-insulated branch protecting assembly includes external thermal insulation thermal insulation layer, anchor rod, outer branch sheath and interior Branch sheath, wherein the outer branch sheath protrudes into the permafrost from the mobile layer so as to mobile layer and ever-frozen ground Layer carries out supporting, and one layer of external thermal insulation thermal insulation layer of setting is attached on the outer branch sheath, is arranged on the external thermal insulation thermal insulation layer There are the interior branch sheath, so that external thermal insulation thermal insulation layer to be folded between outer branch sheath and Nei Zhi sheath, the anchoring of multiple arrangements Bar is successively anchored in the mobile layer or permafrost from the interior branch sheath, external thermal insulation thermal insulation layer and outer branch sheath.
Further, preferably, being located at the bottom of outer branch sheath and Nei Zhi sheath and being set in the permafrost It is equipped with lower thermal insulation board, is provided with thermal insulation board at the top of the outer branch sheath and Nei Zhi sheath.
Further, preferably, also being set between the position and the interior branch sheath by close end of the arc spring plate It is equipped with auxiliary support bar.
Further, preferably, the auxiliary support bar and the arc spring plate are all made of spring steel and are made.
Further, preferably, between the outer branch sheath and external thermal insulation thermal insulation layer, the interior branch sheath and external thermal insulation every Water proof geotextiles are provided between thermosphere.
Further, preferably, in space between hard plastic board outside the interior branch sheath and peripheral support plate also It has been filled with stuffed heat insulated foam.
Further, preferably, the auxiliary elastic-support component includes assisting trunnion, elastic arc bar and hinged seat, In, the hinged seat is fixed on the peripheral support plate after protruding into the hard plastic board, is hingedly arranged on the hinged seat There is the elastic arc bar of multiple circumference array arrangements, the end of the elastic arc bar is provided with the auxiliary trunnion, the auxiliary branch Ear is resisted against on the arc spring plate.
Further, preferably, each elastic arc bar structure is set as bowl shaped structure.
Further, preferably, the upper thermal insulation board, lower thermal insulation board and hard plastic board are all made of low thermal conductivity material system At the outer branch sheath and Nei Zhi sheath are concrete supporting structure.
Compared with prior art, the utility model has the beneficial effects that
The utility model is by being arranged heat-insulated supporting group around the deep foundation to the structures building such as bridge, shaft tower, substation Part, heatpiston mode carry out basis every cooling, in addition, the utility model also has every waterproof action, pass through setting bullet Property support component reduce linear deformation linkage, guarantee the stability on basis, the utility model buffered using arc spring plate Flexible deformation support, can not only guarantee the support force and rigidity of resilient support, but also can guarantee certain elasticity, pass through anchor pole The mode of supporting while being thermally shielded, and can make the stability of deep foundation more preferable, guarantee the safety of building Property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area of the utility model;
Fig. 2 is a kind of auxiliary elastic-support component of the Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area of the utility model Locate attachment structure schematic diagram;
1, mobile layer, 2, Upper Limit of Permafrost, 3, permafrost, 4, upper thermal insulation board, 5, lower thermal insulation board, 6, deep foundation, 7, arc spring plate, 8, auxiliary elastic-support component, 9, hard plastic board, 10, connecting support, 11, peripheral support plate, 12, auxiliary Help support rod, 13, external thermal insulation thermal insulation layer, 14, anchor rod, 15, outer branch sheath, 16, interior branch sheath, 17, stuffed heat insulated foam, 18, trunnion, 19, elastic arc bar, 20, hinged seat are assisted.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of deep base of the anti-freeze thawing disease in Permafrost Area Plinth structure comprising deep foundation 6, heat-insulated branch protecting assembly, resilient support assemblies, peripheral support plate 11, hard plastic board 9,
Mobile layer 1 and permafrost 3 form Permafrost Area ground, and mobile layer 1 and permafrost 3 are with ever-frozen ground The upper limit 2 is interface, and deep foundation 6 is from top to bottom successively from earth's surface passes through mobile layer 1, Upper Limit of Permafrost 2 reaches ever-frozen ground A certain depth in layer 3;
It is characterized in that, the outer surface of the deep foundation 6, which attaches, is fixedly installed the hard plastic board 9, hard modeling External attach of flitch 9 is fixedly installed the peripheral support plate 11, and the outside of the peripheral support plate 11, which also attaches, to be provided with One layer of hard plastic board 9;
The surrounding of the deep foundation 6, which is also laid with, carries out supporting and heat-insulated heat-insulated branch to mobile layer and permafrost Protecting assembly is provided with the resilient support assemblies between the heat-insulated branch protecting assembly and the deep foundation, will pass through its deformation Buffering isolation is carried out, the deformation of deep foundation Quito year permafrost active layer everywhere is not made to link;
The resilient support assemblies include arc spring plate 7, auxiliary elastic-support component 8 and connecting support 10, wherein institute The side that concaves towards for stating arc spring plate 7 is arranged towards the deep foundation 6, passes through institute in the middle part of the protrusion side of the arc spring plate 7 It states attachment base 10 to be fastened on the heat-insulated branch protecting assembly, the both ends of the concave side of the arc spring plate 7 are resisted against institute It states on the hard plastic board 9 outside peripheral support plate 11, is also set between the hard plastic board and the concave side of the arc spring plate It is equipped with the identical auxiliary elastic-support component 8 of multiple size different structures.
In the present embodiment, the heat-insulated branch protecting assembly includes external thermal insulation thermal insulation layer 13, anchor rod 14, outer 15 and of branch sheath Interior branch sheath 16, wherein the outer branch sheath 15 protrudes into the permafrost from the mobile layer so as to mobile layer and more Year, frozen soil layer carried out supporting, and one layer of external thermal insulation thermal insulation layer 13 of attaching setting, the external thermal insulation are heat-insulated on the outer branch sheath It is provided with the interior branch sheath 16 on layer, it is multiple so that external thermal insulation thermal insulation layer to be folded between outer branch sheath and Nei Zhi sheath The anchor rod 14 of arrangement is successively anchored in the mobile layer or more from the interior branch sheath, external thermal insulation thermal insulation layer and outer branch sheath In year frozen soil layer.
In order to guarantee heat insulation, set positioned at the bottom of outer branch sheath and Nei Zhi sheath and in the permafrost It is equipped with lower thermal insulation board 5, is provided with thermal insulation board 4 at the top of the outer branch sheath and Nei Zhi sheath.The arc spring plate leans on Auxiliary support bar 12 is additionally provided between the position of close end and the interior branch sheath.
In order to guarantee that support force and elastic deformability, the auxiliary support bar and the arc spring plate are all made of spring Steel is made.
In order to water isolating, between the outer branch sheath and external thermal insulation thermal insulation layer, the interior branch sheath and external thermal insulation Water proof geotextiles are provided between thermal insulation layer.Meanwhile in order to reinforce heat insulation, outside the interior branch sheath and peripheral support plate Hard plastic board between space in also fill up and be provided with stuffed heat insulated foam 17.
Such as Fig. 2, the auxiliary elastic-support component includes auxiliary trunnion 18, elastic arc bar 19 and hinged seat 20, wherein institute It states after hinged seat 20 protrudes into the hard plastic board and is fixed on the peripheral support plate, be hingedly provided on the hinged seat 20 The elastic arc bar 19 of multiple circumference array arrangements, the end of the elastic arc bar is provided with the auxiliary trunnion 18, the auxiliary Trunnion is resisted against on the arc spring plate.Each elastic arc bar structure is set as bowl shaped structure.
In the present embodiment, the upper thermal insulation board, lower thermal insulation board and hard plastic board are all made of low thermal conductivity material and are made, The outer branch sheath and Nei Zhi sheath are concrete supporting structure.
The utility model is by being arranged heat-insulated supporting group around the deep foundation to the structures building such as bridge, shaft tower, substation Part, heatpiston mode carry out basis every cooling, in addition, the utility model also has every waterproof action, pass through setting bullet Property support component reduce linear deformation linkage, guarantee the stability on basis, the utility model buffered using arc spring plate Flexible deformation support, can not only guarantee the support force and rigidity of resilient support, but also can guarantee certain elasticity, pass through anchor pole The mode of supporting while being thermally shielded, and can make the stability of deep foundation more preferable, guarantee the safety of building Property.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area comprising deep foundation, heat-insulated branch protecting assembly, resilient support Component, peripheral support plate and hard plastic board,
It is point that mobile layer and permafrost, which form Permafrost Area ground, mobile layer and permafrost with Upper Limit of Permafrost, Interface, deep foundation successively passes through mobile layer from earth's surface from top to bottom, Upper Limit of Permafrost reaches a certain depth in permafrost Degree;
It is characterized in that, the outer surface of the deep foundation, which attaches, is fixedly installed the hard plastic board, the hard plastic board Outside attaches and is fixedly installed the peripheral support plate, and the outside of the peripheral support plate, which also attaches, is provided with one layer of hard Plastic plate;
The surrounding of the deep foundation, which is also laid with, carries out supporting and heat-insulated heat-insulated branch protecting assembly to mobile layer and permafrost, The resilient support assemblies being provided between the heat-insulated branch protecting assembly and the deep foundation, being buffered with will pass through its deformation Isolation does not make the deformation of deep foundation Quito year permafrost active layer everywhere link;
The resilient support assemblies include arc spring plate, auxiliary elastic-support component and connecting support, wherein the arc bullet The side that concaves towards of spring plate is arranged towards the deep foundation, and the middle part of the protrusion side of the arc spring plate is connected and fixed by attachment base On the heat-insulated branch protecting assembly, the both ends of the concave side of the arc spring plate are resisted against hard outside the peripheral support plate On matter plastic plate, multiple size different structures are additionally provided between the hard plastic board and the concave side of the arc spring plate The identical auxiliary elastic-support component.
2. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 1, it is characterised in that: described Heat-insulated branch protecting assembly includes external thermal insulation thermal insulation layer, anchor rod, outer branch sheath and Nei Zhi sheath, wherein the outer branch sheath is from institute It states mobile layer and protrudes into the permafrost to carry out supporting to mobile layer and permafrost, attached on the outer branch sheath One layer of external thermal insulation thermal insulation layer is set, is provided with the interior branch sheath on the external thermal insulation thermal insulation layer, so as to by external thermal insulation every Thermosphere is folded between outer branch sheath and Nei Zhi sheath, the anchor rod of multiple arrangements successively from the interior branch sheath, external thermal insulation every Thermosphere and outer branch sheath are anchored in the mobile layer or permafrost.
3. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 1, it is characterised in that: be located at The bottom of outer branch sheath and Nei Zhi sheath and it is located in the permafrost and is provided with lower thermal insulation board, the outer branch sheath and interior Thermal insulation board is provided at the top of branch sheath.
4. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 2, it is characterised in that: described Auxiliary support bar is additionally provided between the position and the interior branch sheath by close end of arc spring plate.
5. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 4, it is characterised in that: described Auxiliary support bar and the arc spring plate are all made of spring steel and are made.
6. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 2, it is characterised in that: described Water proof geotextiles are provided between outer branch sheath and external thermal insulation thermal insulation layer, between the interior branch sheath and external thermal insulation thermal insulation layer.
7. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 2, it is characterised in that: described It is also filled up in the space between hard plastic board outside interior branch sheath and peripheral support plate and is provided with stuffed heat insulated foam.
8. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 2, it is characterised in that: described Auxiliary elastic-support component includes auxiliary trunnion, elastic arc bar and hinged seat, wherein the hinged seat protrudes into the rigid plastics It is fixed on after plate on the peripheral support plate, the elastic arc bar of multiple circumference array arrangements is hingedly provided on the hinged seat, The end of the elastic arc bar is provided with the auxiliary trunnion, and the auxiliary trunnion is resisted against on the arc spring plate.
9. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 8, it is characterised in that: each The elastic arc bar structure is set as bowl shaped structure.
10. a kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area according to claim 3, it is characterised in that: institute It states thermal insulation board, lower thermal insulation board and hard plastic board and is all made of low thermal conductivity material and be made, the outer branch sheath and Nei Zhi sheath It is concrete supporting structure.
CN201821530291.5U 2018-09-18 2018-09-18 A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area Active CN208899546U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067265A (en) * 2018-09-18 2019-07-30 国网内蒙古东部电力有限公司经济技术研究院 A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area
CN110820786A (en) * 2019-11-19 2020-02-21 青海省交通科学研究院 Deep foundation structure for preventing freeze-thaw diseases in permafrost region
CN114319463A (en) * 2022-01-12 2022-04-12 国网甘肃省电力公司建设分公司 Scale-type frost heaving resistant pile foundation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067265A (en) * 2018-09-18 2019-07-30 国网内蒙古东部电力有限公司经济技术研究院 A kind of Deep Foundation Structure of the anti-freeze thawing disease in Permafrost Area
CN110067265B (en) * 2018-09-18 2024-03-26 国网内蒙古东部电力有限公司经济技术研究院 Deep foundation structure for preventing freeze thawing diseases in permafrost region
CN110820786A (en) * 2019-11-19 2020-02-21 青海省交通科学研究院 Deep foundation structure for preventing freeze-thaw diseases in permafrost region
CN110820786B (en) * 2019-11-19 2021-04-23 青海大学 Deep foundation structure for preventing freeze-thaw diseases in permafrost region
CN114319463A (en) * 2022-01-12 2022-04-12 国网甘肃省电力公司建设分公司 Scale-type frost heaving resistant pile foundation
CN114319463B (en) * 2022-01-12 2023-06-27 国网甘肃省电力公司建设分公司 Scale-type frost heaving resistant pile foundation

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