CN104120753B - A kind of for solving karez Frozen-thawed cycled destruction methods - Google Patents
A kind of for solving karez Frozen-thawed cycled destruction methods Download PDFInfo
- Publication number
- CN104120753B CN104120753B CN201410399149.1A CN201410399149A CN104120753B CN 104120753 B CN104120753 B CN 104120753B CN 201410399149 A CN201410399149 A CN 201410399149A CN 104120753 B CN104120753 B CN 104120753B
- Authority
- CN
- China
- Prior art keywords
- karez
- well lid
- soil
- support ring
- vertical shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Building Environments (AREA)
Abstract
The present invention proposes a kind of for solving the method that karez Frozen-thawed cycled destroys, comprising the following steps: 1), remove loosening the soil of pit mouth and surrounding ground, dig the circular groove that 10-20cm is dark; 2), remove loosening the soil of vertical shaft inwall, dig the annular groove of 10-20cm towards vertical shaft radial direction; 3), in annular groove stick undercloak, and upper support ring and the lower support ring of a circle protrusion are set with loam brick respectively, be coated with last layer mortar topping at the external surface of undercloak; 4), etc. mortar dry, lower support ring is placed a lower well lid, and the soffit of lower well lid be conical, well lid in placement one on upper support ring; 5), in circular groove ground soil is filled out, until and ground level.The vertical shaft of one aspect of the present invention to karez is reinforced, and effectively prevents again Frozen-thawed cycled from damaging karez on the other hand, effectively protects karez.
Description
Technical field
The present invention relates to karez protection field, particularly one is for solving karez Frozen-thawed cycled destruction methods.
Background technology
The karez history of existing more than 2000 year so far in Xinjiang is that local working people utilizes earth grade, and the Tianshan Mountains snow-broth permeated the ground need not be drawn the ancient water conservancy projects of earth's surface for the production of, life by any power.
Xinjiang region has water karez to have more than 500, still waters good farmland, large stretch of oasis, and play Social benefit and economic benefit greatly, within 2006, Xinjiang karez is listed in key historical sites under state protection.
There is the karez quantity of water in Xinjiang from 1949 1473, to 618 of statistics during Third National historical relic generaI investigation in 2010.There is water karez quantity to decrease 855 in this 61 year, reduce with the speed of 14 every year on average, karez decline rate startling soon.
As Fig. 1, karez is made up of closed conduit 1, vertical shaft 2, open channel 3, flooded dam four part.Wherein, in the long-term air themperature of the closed conduit of below ground, humidity more stable (temperature about 20 DEG C, humidity about 90%), pit mouth (intersection on vertical shaft and ground) is then be exposed in the environment of Gobi desert, Xinjiang, the seasonality of this environment and day and night temperature very large (summer surface temperature reach 60 DEG C, winter temperature then can be down to-25 DEG C, humidity is less than 30%).
Such as in the winter time, due to the temperature difference, wet difference effect, damp and hot steam in closed conduit will rise along vertical shaft and blow out from Shaft bank, poor owing to there is huge humiture in outer pole short distance near Shaft bank, damp and hot steam, in pit mouth rapid condensation, makes the moisture content of the borehole wall surrounding soil body continue to rise.In addition by the impact of underground water capillary effect of increasing, the humiture of the pit mouth soil body also can raise.Gobi desert, Xinjiang in winter extreme minimum temperature can reach subzero twenty or thirty degree, congelation makes capillary water in the soil body move to cold junction, and then humidity in Shaft bank section soil layer can be increased again, sub-zero temperature makes capillary water glaciation in the soil body, causes Shaft bank surrounding soil to expand.
When temperature rising in the past in winter freezing soil melts, stress release, structural relaxation.Water content evaporation in the soil body near spring and summer pit mouth in season, there is face crack in soil body dehydration shrinkage, the effect gone round and begun again like this, and soil structures is destroyed, and cohesive force is lost, and causes damage of soil body.The bottom sheet pull out type fracture before this of pit mouth section soil layer, then develops into block pull out type fracture with plastic zone expand, finally forms large area fall damage.The pit mouth soil body caves in, and the body that caves in crashes into after closed conduit causes closed conduit to deposit and current are blocked, and after the blocking of closed conduit current, the bubble closed conduit canal wall soil body is invaded in the rising of closed conduit water level, and cause the closed conduit soil body to cave in, last whole karez destroys dry.
Summary of the invention
The present invention proposes a kind of for solving karez Frozen-thawed cycled destruction methods, solve the vertical shaft of karez in prior art by fall damage easy after freeze thawing circulating effect, the body that caves in crashes into closed conduit and causes closed conduit to deposit, the final problem destroying whole karez.
Technical scheme of the present invention is achieved in that
A kind of for solving karez Frozen-thawed cycled destruction methods, comprise the following steps:
1), centered by the pit mouth of karez, remove loosening the soil of pit mouth and surrounding ground, dig the circular groove that 10-20cm is dark, leveling compacting circular groove surface;
2), remove loosening the soil of vertical shaft inwall, dig the annular groove of 10-20cm towards vertical shaft radial direction, and flatten compacting;
3), in annular groove stick undercloak, in annular groove upper end with at distance below ground 1.5m place, upper support ring and the lower support ring of a circle protrusion is set with loam brick respectively, is coated with last layer mortar topping at the external surface of undercloak;
4), etc. mortar dry, lower support ring is placed a lower well lid, and the soffit of lower well lid be conical, well lid in placement one on upper support ring;
5), in circular groove ground soil is filled out, until and ground level.
Further, described upper well lid is wooden upper well lid.
Further, described lower well lid is well lid under PVC.
Beneficial effect of the present invention:
1, remove loosening the soil of pit mouth and surrounding ground, dig the circular groove that 10-20cm is dark, leveling compacting circular groove surface, pit mouth can be made more firm, prevent pit mouth from caving in.
2, remove loosening the soil of vertical shaft inwall, prevent from loosening the soil and peel off, cause closed conduit to deposit, and for below loam brick reinforce solid vertical shaft inwall is provided.
3, stick loam brick in annular groove, outside loam brick, scribble mortar topping, play support on the one hand, reinforce the effect of vertical shaft, prevent vertical shaft inwall original soil from loosening and peel off, cause closed conduit to deposit; Also make vertical shaft inwall from the destruction of Frozen-thawed cycled on the other hand.
4, lower well lid mainly plays and blocks damp and hot steam, and be located at underground 1.5 meters of, being that Xinjiang region is maximum freezes deep location, when damp and hot steam in closed conduit is risen to bottom lower well lid, steam can condense into the globule and drop back in closed conduit, ensures the drying of the pit mouth soil body, avoids Frozen-thawed cycled; Lower well lid bottom design shape coning, drips under making the centre position of the globule of condensation bottom well lid, ensures that the globule directly instills closed conduit, can not drop in vertical shaft inwall.
5, the sandy soil that upper well lid can intercept earth's surface enter the vertical shaft of karez, prevent blocking vertical shaft and closed conduit, cover ground soil and effectively can protect well lid; adopt wood materials, economic environmental protection, be convenient to open; lower well lid uses PVC material, ensures the durability in high humidity environment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing karez;
Fig. 2 is the structural representation of the vertical shaft of karez after adopting the inventive method process.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of for solving karez Frozen-thawed cycled destruction methods, comprise the following steps:
1), centered by the pit mouth 4 of karez, remove loosening the soil of pit mouth 4 and surrounding ground 12, dig the dark circular groove of 10-20cm 5, leveling compacting circular groove 5 surface;
2), remove loosening the soil of vertical shaft inwall, dig the annular groove of 10-20cm towards vertical shaft radial direction, and flatten compacting;
3), in annular groove, stick undercloak 6, in annular groove upper end with at 1.5m place, ground less than 12, upper support ring 7 and the lower support ring 8 of a circle protrusion is set with loam brick respectively, is coated with last layer mortar topping 9 at the external surface of undercloak 6;
4), etc. mortar dry, lower support ring 8 is placed a lower well lid 10, and the soffit of lower well lid 10 be conical, well lid 11 in placement one on upper support ring 7;
5), in circular groove fill out ground soil, until with ground 12 level.
Further, described upper well lid 11 is wooden upper well lid.
Further, described lower well lid 10 is well lid under PVC.
Remove loosening the soil of pit mouth 4 and surrounding ground 12, dig the dark circular groove of 10-20cm 5, leveling compacting circular groove 5 surface, pit mouth 4 can be made more firm, prevent pit mouth 4 from caving in.Remove loosening the soil of vertical shaft inwall, dig the annular groove of 10-20cm, prevent from loosening the soil and peel off, cause closed conduit to deposit, and provide solid plinth base for undercloak 6 below.Stick undercloak 6 in annular groove, outside undercloak 6, scribble mortar topping 9, play support on the one hand, reinforce the effect of vertical shaft 2, prevent vertical shaft inwall original soil from loosening and peel off, cause closed conduit to deposit; Also make vertical shaft inwall from the destruction of Frozen-thawed cycled on the other hand.Lower well lid 10 mainly plays and blocks damp and hot steam, and be located at 1.5m place, 12 times, ground, being that Xinjiang region is maximum freezes deep location, when damp and hot steam in closed conduit 1 is risen to bottom lower well lid 10, steam can condense into the globule and drop back in closed conduit, ensures the drying of pit mouth 4 soil body, avoids Frozen-thawed cycled; Lower well lid 10 bottom design shape coning, drips under making the centre position of the globule of condensation bottom lower well lid 10, ensures that the globule directly instills closed conduit, can not drop in vertical shaft inwall.The sandy soil that upper well lid 11 can intercept earth's surface enter the vertical shaft 2 of karez, prevent blocking vertical shaft 2 and closed conduit 1, cover ground soil and can effectively protect well lid 11; adopt wood materials, economic environmental protection, be convenient to open; lower well lid 10 uses PVC material, ensures the durability in high humidity environment.
Dig the dark circular groove of 10-20cm 5 and dig the annular groove of 10-20cm, the degree of depth is dark, can not destroy the original state of vertical shaft 2, can clean out again and loosen the soil, prevent from loosening the soil and peel off, and causes closed conduit 1 to deposit or vertical shaft 2 caves in.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1., for solving a karez Frozen-thawed cycled destruction methods, it is characterized in that, comprise the following steps:
1), centered by the pit mouth of karez, remove loosening the soil of pit mouth and surrounding ground, dig the circular groove that 10-20cm is dark, leveling compacting circular groove surface;
2), remove loosening the soil of vertical shaft inwall, dig the annular groove of 10-20cm towards vertical shaft radial direction;
3), in annular groove stick undercloak, in annular groove upper end with at distance below ground 1.5m place, upper support ring and the lower support ring of a circle protrusion is set with loam brick respectively, is coated with last layer mortar topping at the external surface of undercloak;
4), etc. mortar dry, lower support ring is placed a lower well lid, and the soffit of lower well lid be conical, well lid in placement one on upper support ring;
5), in circular groove ground soil is filled out, until and ground level.
2. as claimed in claim 1 for solving karez Frozen-thawed cycled destruction methods, it is characterized in that: described upper well lid is wooden upper well lid.
3. as claimed in claim 2 for solving karez Frozen-thawed cycled destruction methods, it is characterized in that: described lower well lid is well lid under PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399149.1A CN104120753B (en) | 2014-08-14 | 2014-08-14 | A kind of for solving karez Frozen-thawed cycled destruction methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399149.1A CN104120753B (en) | 2014-08-14 | 2014-08-14 | A kind of for solving karez Frozen-thawed cycled destruction methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104120753A CN104120753A (en) | 2014-10-29 |
| CN104120753B true CN104120753B (en) | 2016-01-27 |
Family
ID=51766370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410399149.1A Expired - Fee Related CN104120753B (en) | 2014-08-14 | 2014-08-14 | A kind of for solving karez Frozen-thawed cycled destruction methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104120753B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2458918C (en) * | 2002-03-20 | 2008-07-22 | Diamond J Industries Ltd. | A method of reducing ground disturbance |
| CN203594457U (en) * | 2013-10-11 | 2014-05-14 | 中国水利水电科学研究院 | Device for reinforcing karez tunnel by anchoring self-rotating anchor rod on geogrid |
-
2014
- 2014-08-14 CN CN201410399149.1A patent/CN104120753B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104120753A (en) | 2014-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Loudon | An Encyclopædia of Agriculture: Comprising the Theory and Practice of the Valuation, Transfer, Laying Out, Improvement, and Management of Landed Property: and the Cultivation and Economy of the Animal and Vegetable Productions of Agriculture, Including All the Latest Improvements: a General History of Agriculture in All Countries: and a Statistical View of Its Present State, with Suggestions for Its Future Progress in the British Isles | |
| CN103485321A (en) | Karst landform stony desertification treatment method | |
| CN114703872B (en) | Maintenance system for soil slope in permafrost region and construction method | |
| CN202850011U (en) | Thermal insulation blind ditch facility suitable for permafrost regions | |
| CN104120753B (en) | A kind of for solving karez Frozen-thawed cycled destruction methods | |
| CN208039303U (en) | A kind of Construction of Civil Engineering retaining wall | |
| CN204023686U (en) | A kind of for solving the bracing means that karez Frozen-thawed cycled destroys | |
| CN202672119U (en) | Flexible drainage channel for coal gangue mountain | |
| CN102877543A (en) | Heat-preservation blind trench facility applicable to multi-year permafrost region and construction method | |
| CN208633235U (en) | A kind of sandstone seepage well suitable for sponge urban construction | |
| CN114467704B (en) | Open-pit mine dump with near-surface soil sequence reconstruction and its deep water replenishment method | |
| US2219710A (en) | Method for preserving foundations | |
| Haeberli et al. | Permafrost research sites in the Alps: excursions of the International Workshop on Permafrost and Periglacial Environments in Mountain Areas | |
| CN101967831A (en) | Dug pile foundation construction method | |
| CN210263085U (en) | Shallow layer freeze thawing landslide anti-skidding structure suitable for seasonally frozen soil area | |
| CN209194628U (en) | A kind of severe cold area winter water intake facilities | |
| CN103098628A (en) | Tree-plating funnel for soil-film composite drought resisting | |
| CN211498927U (en) | Anti-freezing taper type tower foundation | |
| CN102160481B (en) | Freezing and Thawing Loosening and Ventilating Method of Deep Soil in Orchard | |
| CN209873822U (en) | Cutting slope slobbering ice protective structure | |
| US1464804A (en) | Method of protecting ceramic swimming-pool structures | |
| CN205875181U (en) | Slope reinforcement protector | |
| CN207987935U (en) | A kind of highway Rock High Slope anchor pole pregroove marks safeguard structure | |
| CN207820626U (en) | A kind of anti-erosion container basin of environmental protection | |
| CN206196498U (en) | A kind of planting greenhouse with cistern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170511 Address after: 730000 Lanzhou Province, Chengguan District, Gansu Road, No. 365 Co-patentee after: Gansu China Railway Construction Engineering Co., Ltd. Patentee after: Northwest Research Institute Co., Ltd. of C.R.E.C. Address before: 730000 Lanzhou East Road, Gansu, No. 365 Patentee before: Northwest Research Institute Co., Ltd. of C.R.E.C. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20200814 |