CN101906972B - Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft - Google Patents
Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft Download PDFInfo
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- CN101906972B CN101906972B CN2010102343633A CN201010234363A CN101906972B CN 101906972 B CN101906972 B CN 101906972B CN 2010102343633 A CN2010102343633 A CN 2010102343633A CN 201010234363 A CN201010234363 A CN 201010234363A CN 101906972 B CN101906972 B CN 101906972B
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- borehole wall
- median septum
- vertical shaft
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 208000002925 dental caries Diseases 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract 2
- 238000009415 formwork Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The invention provides a method for synchronously constructing a second shaft lining and an intermediate baffle of a vertical shaft. By adopting a molding manner of the concrete mold, the second shaft lining and the intermediate baffle are molded by the steps of modeling, casting, tamping, solidifying and mold-removing. Mold cavities of the second shaft lining and the intermediate baffle are communicated to form an integrated structure. The method for synchronously constructing the second shaft lining and the intermediate baffle of the vertical shaft of the invention adopts a method for casting concrete to the mold and molding the second shaft lining and the intermediate baffle of the vertical shaft, so that the molded second shaft lining and the intermediate baffle of the vertical shaft are an integrated structure having stronger integrity; meanwhile, by adopting the method for synchronously constructing the second shaft lining and the intermediate baffle of the vertical shaft, the operation of repeatedly lifting a feeding device in the vertical shaft for many times is avoided; in addition, the invention has simple process, shortens the construction period and saves the cost.
Description
Technical field
The present invention relates to a kind of construction techniques, the method for synchronously constructing of the particularly a kind of vertical shaft borehole wall two linings and vertical shaft median septum.
Background technology
Needs along with the national communication construction; The tunnel of growing up is more and more; The Zhonnanshan Mountain, the Qinling Mountains highway tunnel that has built up reaches 18km, and the tunnel of growing up selects vertical shaft to make service gallery under some terrain environment condition, increases the short construction period of construction working reduction of area; And as operation rear venting system, the degree of depth of vertical shaft, cross dimensions are also increasing.
Domestic tunnel shaft median septum is generally in-line or cross; The vertical shaft borehole wall two linings, median septum adopt concreting to form; Traditional the vertical shaft borehole wall two linings and median septum construction are successively accomplished at twice; Vertical shaft dig establish completion after, carry out building of the borehole wall two lining earlier and establish, carry out building of median septum afterwards again and establish.The vertical shaft borehole wall two linings and median septum that gradation is constructed, not only structural integrity is not strong, and two linings are poor with the median septum connectivity, and working procedure is numerous and diverse back and forth up and down, and the mutual interference of inter process phase is bigger, and construction speed is slow, and cost is than higher.
To above-mentioned deficiency, need to explore a kind of new vertical shaft median septum and the method for synchronously constructing of the borehole wall two linings, the borehole wall two linings and median septum are constructed synchronously; Make the globality of the borehole wall two linings and median septum structure stronger, working procedure is simplified, and construction progress is fast; Construction period shortens, and building costs reduces greatly.
Summary of the invention
In view of this, the present invention provides the method for synchronously constructing of a kind of vertical shaft borehole wall two linings with the vertical shaft median septum, and the borehole wall two linings and median septum are constructed synchronously; Make the globality of the borehole wall two linings and median septum structure stronger, working procedure is simplified, and construction progress is fast; Construction period shortens, and building costs reduces greatly.
The objective of the invention is to realize: the method for synchronously constructing of a kind of vertical shaft borehole wall two linings and vertical shaft median septum through following technical scheme; The borehole wall two linings and median septum adopt the mode of concrete die moulding to build and form; The borehole wall two lining die cavitys and the median septum die cavity formation overall structure that is interconnected wherein; Build the structure that the formation borehole wall two linings and median septum fuse simultaneously, construction forms in order from bottom to top.
Further, this method for synchronously constructing may further comprise the steps:
A, construct two of contact air channel and the shaft bottom borehole wall and serve as a contrast joint faces: vertical shaft digs to the shaft bottom; Respectively excavate 2～3m to contact air channel, both sides; To get in touch with air channel two lining templates and be connected with the shaft bottom borehole wall two lining templates, forming vertical cross-section is L shaped whole die cavity, toward the interior concreting of die cavity; Tamping then, form removal forms two lining joint faces of the contact air channel and the shaft bottom borehole wall after concrete setting;
B, modeling: the vertical shaft borehole wall two lining templates are connected with the median septum template assembly, and the formation borehole wall two serves as a contrast die cavitys and the median septum die cavity structure that is communicated as one, and said template height is 1.5m-2.0m;
C, concreting, tamping: toward the borehole wall two lining die cavitys and the interior concreting of median septum die cavity, then with its tamping;
D, form removal: treating after the concrete setting borehole wall two to be served as a contrast template and median septum form removables, highly is the vertical shaft borehole wall two linings and the median septum of 1.5m-2.0m thereby form;
E, repeat b to d step successively: the template of dismantling in the d step is promoted to the borehole wall two linings that form in template bottom and the c step and the upper surface flush position of median septum; Again assembly unit connects template; Form the borehole wall two lining die cavitys and the median septum die cavity structure that is communicated as one once more; Form removal after the concrete setting is treated in concreting, tamping in the die cavity then at last, is the vertical shaft borehole wall two linings and the median septum of 1.5m-2.0m thereby form the height that links to each other with median septum with the lower shaft borehole wall two linings; Construct repeatedly to the vertical shaft well head, can build up complete vertical shaft median septum and the borehole wall two linings.
Further, among the step b, template adopts truss support, adopts bolt-type to connect during the template splicing; The template upper and lower sides all adopts the angle steel base, uses bolt to connect.
The invention has the beneficial effects as follows: compare with the method for vertical shaft median septum gradation construction with the traditional vertical shaft borehole wall two linings; The method for synchronously constructing of the vertical shaft borehole wall two linings of the present invention and vertical shaft median septum; Adopt the vertical shaft borehole wall two linings and the method for vertical shaft median septum to form through the moulding of concreting die; Make the vertical shaft borehole wall two linings and vertical shaft median septum after the moulding be structure as a whole, globality is stronger; Simultaneously, the method that adopts the vertical shaft borehole wall two linings and vertical shaft median septum to construct has synchronously avoided promoting the repeatedly repeatedly operation of pay-off in vertical shaft, and operation is simple, has shortened the duration, has practiced thrift cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described;
Accompanying drawing is the formwork structure sketch map among the present invention.
The specific embodiment
Accompanying drawing is the formwork structure sketch map of invention; As shown in the figure; The method for synchronously constructing of a kind of vertical shaft borehole wall two linings and vertical shaft median septum; The borehole wall two linings and median septum adopt the mode of concrete die moulding to build and form; Wherein the borehole wall two lining die cavitys 1 and the median septum die cavity 2 formation overall structure that is interconnected is built simultaneously and is formed the borehole wall two linings and the structure that median septum fuses, and constructing in order from bottom to top forms.
Through modeling the borehole wall two linings and median septum are communicated as one, after the concreting moulding, the borehole wall two linings and median septum connect as one, and compare traditional gradation shaped structures, and the bonding between the borehole wall two linings and the median septum is better, and bulk strength is bigger.
In the present embodiment, median septum is a cross, and vertical shaft is divided into four passages that vary in size by cross partition, and the vertical shaft borehole wall two linings of present embodiment and the method for synchronously constructing of vertical shaft median septum may further comprise the steps:
A, construct two of contact air channel and the shaft bottom borehole wall and serve as a contrast joint faces: vertical shaft digs to the shaft bottom; Respectively excavate 2m to contact air channel, both sides; To get in touch with air channel two lining templates and be connected with the shaft bottom borehole wall two lining templates, forming vertical cross-section is L shaped whole die cavity, toward the interior concreting of die cavity; Tamping then, form removal forms two lining joint faces of the contact air channel and the shaft bottom borehole wall after concrete setting;
B, modeling: the vertical shaft borehole wall two lining templates are connected with the median septum template assembly, and wherein the vertical shaft borehole wall two lining templates are circular formwork, and the median septum template is a flat panel form; Form the borehole wall two lining die cavitys and the median septum die cavity structure that is communicated as one, said template height is 1.5m, and template 3 supports the employing truss; Every section truss length is 3m, adopts bolt-type to connect during splicing, plays whole stressed effect; Be dismountable between template and the truss, promote respectively, practiced thrift the operating space like this; Need not consider template or truss and the interactional factor of space member; The template upper and lower sides all adopts the angle steel base, uses bolt to connect, and in the pit shaft preliminary bracing, squeezes into setscrew and hold template, the locus of stablizing template; In the work progress, make semicircle orifice in the upper former bottom, pre-buried ￠ 50mmPVC pipe joins with the template semicircle orifice in concrete, can insert ￠ 48mm steel pipe when turning over mould template is formed supporting role.
C, concreting, tamping: concrete is transported to the well head place by concrete transport vehicle, is slipped to the well head funnel by the slide ash-pit, vertically slips to material distributing flat through φ 150 sliding cement pipes, and swivel chute is evenly gone into mould, passes through vibrating head then with its tamping;
D, form removal: treating after the concrete setting borehole wall two lining templates and median septum template to be dismantled, highly is the vertical shaft borehole wall two linings and the median septum of 1.5m thereby form;
E, repeat b to d step successively: adopt hoist engine to promote the template of dismantling in the d step; When template bottom arrive with the c step in during the upper surface flush position of the borehole wall two linings that form and median septum; Again assembly unit connects template; Form the borehole wall two lining die cavitys and the median septum die cavity structure that is communicated as one once more; Form removal after the concrete setting is treated in concreting, tamping in the die cavity then at last, is the vertical shaft borehole wall two linings and the median septum of 1.5m thereby form the height that links to each other with median septum with the lower shaft borehole wall two linings; Construct repeatedly to the vertical shaft well head, can build up complete vertical shaft median septum and the borehole wall two linings.The mode that adopts the borehole wall two linings and median septum to build simultaneously; Not only overall construction intensity is high; And the borehole wall two linings and median septum construct simultaneously, avoided the transportation back and forth up and down of template that the gradation construction causes, equipment etc., simplified working procedure greatly; Construction speed is obviously accelerated, thereby has practiced thrift building costs.
Taiyuan-Jia County speedway west Ling Jing left tunnel line total length 6545m, right line total length 6565m.Be to satisfy the needs of operation back tunnel ventilation, medium position is provided with an airshaft threaded list road, the left and right sides is carried out supply and exhaust in the tunnel, considers simultaneously under the fire condition and is discharged fume in threaded list road, the left and right sides.This vertical shaft well depth 171.77m, shaft section area are round, headroom diameter 10.7m; The centre is provided with the cross median septum, so that with the distinguished and admirable isolation of supply and exhaust, and air delivery duct area 47.29 square meters; Exhast duct area 36.11 square meters, stack shell concrete 4055.8 sides, median septum concrete 1088 sides.The method for synchronously constructing of the vertical shaft borehole wall two linings of the present invention and vertical shaft median septum is by in the construction that is applied to this project of success.Facts have proved that western Ling Jing tunnel shaft cross median septum and two lining concrete are poured into a mould a plate (1.5m) concrete of can constructing at least every day simultaneously, realize under the compact situation of each procedure connection 2 days 3 plate (4.5m) progress.Compare with the method for median septum gradation construction with the traditional borehole wall two linings, adopt the vertical shaft borehole wall two linings of the present invention can save for about 30% duration with the method for synchronously constructing of vertical shaft median septum.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the power claimed range of the present invention.
Claims (2)
1. the method for synchronously constructing of the vertical shaft borehole wall two linings and vertical shaft median septum; The borehole wall two linings and median septum adopt the mode of concrete die moulding to build and form; It is characterized in that: the borehole wall two lining die cavitys and the median septum die cavity formation overall structure that is interconnected wherein; Build the structure that the formation borehole wall two linings and median septum fuse simultaneously, construction forms in order from bottom to top;
Specifically may further comprise the steps:
A, construct two of contact air channel and the shaft bottom borehole wall and serve as a contrast joint faces: vertical shaft digs to the shaft bottom; Respectively excavate 2～3m to contact air channel, both sides; To get in touch with air channel two lining templates and be connected with the shaft bottom borehole wall two lining templates, forming vertical cross-section is L shaped whole die cavity, toward the interior concreting of die cavity; Tamping then, form removal forms two lining joint faces of the contact air channel and the shaft bottom borehole wall after concrete setting;
B, modeling: the vertical shaft borehole wall two lining templates are connected with the median septum template assembly, and the formation borehole wall two serves as a contrast die cavitys and the median septum die cavity structure that is communicated as one, and said template height is 1.5m-2.0m;
C, concreting, tamping: toward the borehole wall two lining die cavitys and the interior concreting of median septum die cavity, then with its tamping;
D, form removal: treating after the concrete setting borehole wall two to be served as a contrast template and median septum form removables, highly is the vertical shaft borehole wall two linings and the median septum of 1.5m-2.0m thereby form;
E, repeat b to d step successively: the template of dismantling in the d step is promoted to the borehole wall two linings that form in template bottom and the c step and the upper surface flush position of median septum; Again assembly unit connects template; Form the borehole wall two lining die cavitys and the median septum die cavity structure that is communicated as one once more; Form removal after the concrete setting is treated in concreting, tamping in the die cavity then at last, is the vertical shaft borehole wall two linings and the median septum of 1.5m-2.0m thereby form the height that links to each other with median septum with the lower shaft borehole wall two linings; Construct repeatedly to the vertical shaft well head, can build up complete vertical shaft median septum and the borehole wall two linings.
2. the method for synchronously constructing of the vertical shaft borehole wall two linings according to claim 1 and vertical shaft median septum, it is characterized in that: among the step b, template adopts truss support, adopts bolt-type to connect during the template splicing; The template upper and lower sides all adopts the angle steel base, uses bolt to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102343633A CN101906972B (en) | 2010-07-23 | 2010-07-23 | Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102343633A CN101906972B (en) | 2010-07-23 | 2010-07-23 | Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
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| Publication Number | Publication Date |
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| CN101906972A CN101906972A (en) | 2010-12-08 |
| CN101906972B true CN101906972B (en) | 2012-08-15 |
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| CN2010102343633A Expired - Fee Related CN101906972B (en) | 2010-07-23 | 2010-07-23 | Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092214B (en) * | 2011-01-13 | 2013-11-27 | 汕头市东和机械有限公司 | Automatic mounting assembly for buckling device of business clip production line |
| CN102635359B (en) * | 2012-04-13 | 2014-04-09 | 中铁十七局集团第三工程有限公司 | Energy-saving rapid construction method for ventilating shafts of tunnels |
| CN112922605B (en) * | 2021-03-31 | 2021-12-14 | 中国矿业大学 | Supplementary construction equipment of high-strength concrete wall of a well structure |
| CN114046171B (en) * | 2021-11-10 | 2022-08-05 | 中煤第一建设有限公司 | High-strength integrally-cast tunnel ventilation shaft and construction method |
| CN113882862B (en) * | 2021-11-15 | 2024-04-16 | 中煤第一建设有限公司 | High strength tunnel ventilation shaft pit shaft structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063528C (en) * | 1993-12-28 | 2001-03-21 | 松下电器产业株式会社 | Vortex compressor |
| CN1525043A (en) * | 2003-02-24 | 2004-09-01 | 蔡德彬 | Cycle type vertical shaft drilling and digging equipment and construction method thereof |
| CN1924203A (en) * | 2006-02-27 | 2007-03-07 | 贵阳铝镁设计研究院 | Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard |
| CN101349064A (en) * | 2008-08-26 | 2009-01-21 | 中国水利水电第五工程局 | Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition |
-
2010
- 2010-07-23 CN CN2010102343633A patent/CN101906972B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063528C (en) * | 1993-12-28 | 2001-03-21 | 松下电器产业株式会社 | Vortex compressor |
| CN1525043A (en) * | 2003-02-24 | 2004-09-01 | 蔡德彬 | Cycle type vertical shaft drilling and digging equipment and construction method thereof |
| CN1924203A (en) * | 2006-02-27 | 2007-03-07 | 贵阳铝镁设计研究院 | Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard |
| CN101349064A (en) * | 2008-08-26 | 2009-01-21 | 中国水利水电第五工程局 | Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition |
Non-Patent Citations (1)
| Title |
|---|
| 陈利等.乌池坝隧道通风竖井二衬施工技术.《华南港工》.2008,(第112期),51-53. * |
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Granted publication date: 20120815 |