CN207775859U - A kind of heat insulation structure between frozen soil stratum scar and supporting construction - Google Patents
A kind of heat insulation structure between frozen soil stratum scar and supporting construction Download PDFInfo
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- CN207775859U CN207775859U CN201721664130.0U CN201721664130U CN207775859U CN 207775859 U CN207775859 U CN 207775859U CN 201721664130 U CN201721664130 U CN 201721664130U CN 207775859 U CN207775859 U CN 207775859U
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- scar
- heat insulation
- thermal insulation
- nailing
- supporting construction
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Abstract
The utility model discloses the heat insulation structures between a kind of frozen soil stratum scar and supporting construction, including scar (1), heat insulation layer (2), preliminary bracing (3) and liner structure (4), the heat insulation layer (2) includes thermal insulation thermal insulation board (5), steel plate washer (6) and nailing (7), the outside of liner structure (4) supporting in the early stage (3), the preliminary bracing (3) is close to heat insulation layer (2) setting, the heat insulation layer (2) is fixedly mounted on scar (1), the thermal insulation thermal insulation board (5) is fixed on through billet (6) on scar (1) by nailing (7).Heat insulation structure between this scar and supporting construction has heat insulation effect good using low closed pore polyethylene foam sheet, and the compressed coefficient is small, flexibility is good, and plasticity is easy to install by force, and response rate is high, it does not trickle when high temperature, not embrittlement when low temperature, the good advantage with gunite concrete caking property.
Description
Technical field
The utility model is related to heat insulation structure technical field, between specially a kind of frozen soil stratum scar and supporting construction
Heat insulation structure.
Background technology
When consolidation by freezing stratum, to ensure the intensity and consolidation effect of frost wall, scar average air within the scope of underground engineering
Temperature is substantially all at -15 DEG C or less.The gunite concrete or form concrete hydration heat of cement that construction uses can discharge a large amount of
Heat cause scar temperature to increase, frost wall strength reduction exists when concrete structural strength is not up to design requirement
Deform, collapse equivalent risk, while on -15 DEG C of scars below carry out construction of shotcrete when, cohesive force decline, material wave
Take serious, and to reach the time needed for intensity long for concrete, is unfavorable for structure stress early.
Utility model content
The purpose of this utility model is to provide the heat insulation structure between a kind of frozen soil stratum scar and supporting construction, tools
There is the advantages of heat preservation, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of heat preservation between scar and supporting construction
Heat insulation structural, including scar, heat insulation layer, preliminary bracing and liner structure, it is characterised in that：The heat insulation layer includes
Thermal insulation thermal insulation board and fixing device, the outside of the liner structure setting supporting in the early stage, the preliminary bracing are tightly attached to heat preservation
On thermal insulation layer, the heat insulation layer is fixedly mounted on scar, and the fixing device is made of steel plate washer and nailing, the guarantor
Warm thermal insulation board is fixed on through billet on scar by nailing, and the scar includes arch, abutment wall and substrate, and the arch is set
It sets in the top of abutment wall, the abutment wall is arranged above substrate, and the thermal insulation thermal insulation board is installed respectively by steel plate washer and nailing
In arch, abutment wall and substrate.
Preferably, the thermal insulation thermal insulation board is low closed pore polyethylene foam sheet.
Preferably, the thickness of the low closed pore polyethylene foam sheet is 2cm.
Preferably, the nailing of the thermal insulation thermal insulation board is distributed in blossom type.
Preferably, the scar further includes arch, abutment wall and substrate, wherein the spacing of the nailing on arch be 80 ×
The spacing of 80cm, the nailing on abutment wall are 100 × 100cm, and the spacing of the nailing in substrate is 150 × 150cm；Steel plate washer ruler
Very little is 8cm × 8cm, thick 0.05cm.
Compared with prior art, the beneficial effects of the utility model are as follows：
Heat insulation structure between the utility model scar and supporting construction is had using low closed pore polyethylene foam sheet
Heat insulation effect is good, and the compressed coefficient is small, and flexibility is good, and plasticity is easy to install by force, and response rate is high, and when high temperature does not trickle, when low temperature not
Embrittlement, the good advantage with gunite concrete caking property.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the scheme of installation of the thermal insulation thermal insulation board of the utility model；
Fig. 3 is the distribution schematic diagram of nailing on the thermal insulation thermal insulation board of the utility model；
Fig. 4 is the vertical view of the plastic spacer of the utility model；
In figure：1 includes scar, 2 heat insulation layers, 3 preliminary bracings, 4 liner structures, 5 thermal insulation thermal insulation boards, 6 plastic mattress
Piece, 7 nailings, 8 arch, 9 abutment walls, 10 substrates, 11 fixing devices.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-4, the heat insulation structure between a kind of scar and supporting construction, including scar 1, heat insulation layer 2,
Preliminary bracing 3 and liner structure 4, heat insulation layer 2 include thermal insulation thermal insulation board 5 and fixing device 11, and thermal insulation thermal insulation board 5 is one kind
Thickness is the low closed pore polyethylene foam sheet of 2cm, and low closed pore polyethylene foam sheet has heat insulation effect good, the compressed coefficient
Small, flexibility is good, and plasticity is easy to install by force, and response rate is high, and when high temperature does not trickle, not embrittlement when low temperature, viscous with gunite concrete
The nailing 7 of the advantages that knot property is good, thermal insulation thermal insulation board 5 is distributed in blossom type, and the outside of supporting in the early stage 3 is arranged in liner structure 4, just
Phase supporting 3 is tightly attached in heat insulation layer 2, is used to support thermal insulation thermal insulation board 5, and heat insulation layer 2 is fixedly mounted on scar 1,
Fixing device 11 is made of plastic spacer 6 and nailing 7, and thermal insulation thermal insulation board 5 is fixed on scar 1 by nailing 7 through plastic spacer 6
On, a stable effect is played, scar 1 includes arch 8, abutment wall 9 and substrate 10, and arch 8 is arranged on the top of abutment wall 9, side
The setting of wall 9 is square on the substrate 10, and wherein the spacing of the nailing 7 on arch 8 is 80 × 80cm, and the spacing of the nailing 7 on abutment wall 9 is
The spacing of 100 × 100cm, the nailing 7 in substrate 10 are 150 × 150cm, and arch 8 is arranged in the top of abutment wall 9, and arch 8 is general
For arc-shaped structure, thermal insulation thermal insulation board 5 is separately mounted to by plastic spacer 6 and nailing 7 in arch 8, abutment wall 9 and substrate 10.
In summary：Heat insulation structure between the utility model scar and supporting construction, by the way that thermal insulation thermal insulation board is arranged
5, influence of the heat of hydration to frost wall intensity in preliminary bracing gunite concrete and liner structure casting process had both been successfully avoided,
It solves the problems, such as to cause pneumatically placed concrete cohesive force to decline due to the temperature difference again and material consumption is excessive, low closed pore polyethylene
Plate has that density is small, unit weight is light, independent closed pore bubble structure, cellular cavity are uniformly distributed, and heat preservation heat-insulated character can be good, replys
Rate is high, and when high temperature does not trickle, not embrittlement when low temperature, and+80 DEG C~-45 DEG C of high-low temperature resistant do not trickle, indeformable, not embrittlement, construction
Convenient, contracting strength is big, and natural adaptation dilation changes and changes, and concrete structure is tightly combined with scar, and stress is preferable,
Low closed pore polyethylene foam sheet absorptivity is low, and anti-permeability is good, combines together with cementing object secure rigid, solution
The high problem of low temperature scar rebound of shotcrete amount of having determined, has saved cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. the heat insulation structure between a kind of frozen soil stratum scar and supporting construction, including scar (1), heat insulation layer (2), just
Phase supporting (3) and liner structure (4), it is characterised in that：The heat insulation layer (2) includes thermal insulation thermal insulation board (5) and fixed dress
It sets (11), the outside of liner structure (4) supporting in the early stage (3), the preliminary bracing (3) is close to heat insulation layer (2) and is set
It sets, the heat insulation layer (2) is fixedly mounted on scar (1), and the fixing device (11) is by plastic spacer (6) and nailing
(7) it forms, the thermal insulation thermal insulation board (5) is fixed on through plastic spacer (6) on scar (1) by nailing (7)；The scar
(1) include arch (8), abutment wall (9) and substrate (10), in the top of abutment wall (9), the abutment wall (9) sets for arch (8) setting
Set above the substrate (10), the thermal insulation thermal insulation board (5) by plastic spacer (6) and nailing (7) be separately mounted to arch (8),
On abutment wall (9) and substrate (10).
2. the heat insulation structure between a kind of frozen soil stratum scar according to claim 1 and supporting construction, feature exist
In：The thermal insulation thermal insulation board (5) is low closed pore polyethylene foam sheet.
3. the heat insulation structure between a kind of frozen soil stratum scar according to claim 2 and supporting construction, feature exist
In：The thickness of the low closed pore polyethylene foam sheet is 2cm.
4. the heat insulation structure between a kind of frozen soil stratum scar according to claim 1 and supporting construction, feature exist
In：The nailing (7) of the thermal insulation thermal insulation board (5) is distributed in blossom type.
5. the heat insulation structure between a kind of frozen soil stratum scar according to claim 1 and supporting construction, feature exist
In：The scar (1) further includes arch (8), abutment wall (9) and substrate (10), and the spacing of the wherein nailing (7) on arch (8) is
The spacing of 80 × 80cm, the nailing (7) on abutment wall (9) are 100 × 100cm, and the spacing of the nailing (7) in substrate (10) is 150
×150cm；Plastic spacer (6) size is 8cm × 8cm, thick 0.05cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664130.0U CN207775859U (en) | 2017-12-04 | 2017-12-04 | A kind of heat insulation structure between frozen soil stratum scar and supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664130.0U CN207775859U (en) | 2017-12-04 | 2017-12-04 | A kind of heat insulation structure between frozen soil stratum scar and supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207775859U true CN207775859U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721664130.0U Active CN207775859U (en) | 2017-12-04 | 2017-12-04 | A kind of heat insulation structure between frozen soil stratum scar and supporting construction |
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| CN (1) | CN207775859U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-12-04 CN CN201721664130.0U patent/CN207775859U/en active Active
Cited By (2)
| 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 |
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