CN204419205U - Be exclusively used in the supporting stress check calculation structure in tunneling rectangle big cross section mine - Google Patents
Be exclusively used in the supporting stress check calculation structure in tunneling rectangle big cross section mine Download PDFInfo
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- CN204419205U CN204419205U CN201420863611.4U CN201420863611U CN204419205U CN 204419205 U CN204419205 U CN 204419205U CN 201420863611 U CN201420863611 U CN 201420863611U CN 204419205 U CN204419205 U CN 204419205U
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Abstract
A kind of supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine, it comprises: matrix pattern supporting and protection structure (5) and two detachable post structures (1), square shape fixes the main body (4) that supporting and protection structure (6) can hold required construction, the detachable supporting and protection structure of cross (8) comprises first vertical median septum (2) and first horizontal middle horizontal-associate (3), first horizontal middle horizontal-associate (3) can be fixed supporting and protection structure (6) from described square shape and be removed, the two ends up and down of support body (4) on the base plate that detachable post structure (1) frame stands in described main body (4), first vertical median septum (2) can be fixed supporting and protection structure (6) from described square shape and be removed, detachable post structure (1) and just a median septum (2) transversely interval are arranged, alternately support supporting and protection structure (6) and main body (4).
Description
Technical field
The utility model relates to underground passage technical field of construction, particularly relates to a kind of supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine.
Background technology
Along with social progress; urbanization process is accelerated; the sharply expansion of urban population; soil is aobvious nervous as a kind of non-renewable resource day; the development and utilization of the underground space becomes the important directions of urban construction and development, in underground space structure process of construction Chang Huiyu underground can not move change pipeline, produce certain contradiction between structure.The construction of the underground space will take into account the aspect such as safe, economic, applicable of the safety of engineering own and environment.
At present, the construction of underground passage adopts the engineering method such as Mining Method, push pipe of cut and cover method, conventional u-shaped cross-section usually.Construction plant, traffic above-ground condition and across foundation ditch underground utilities especially can not move change and on the pipeline of deformation sensitive can affect or limit cut and cover method implement.The u-shaped cross-section of traditional Mining Method backbreak and backfill amount large, space availability ratio is low, and under shallow-layer soil layer geological conditions, tunneling can be drawn and played more greatly stratum vertical deformation and differential settlement, affects the safety of underground utilities.Pipe jacking method unit price under short distance execution conditions is high.
Summary of the invention
The purpose of this utility model is the deficiency overcoming traditional u-shaped cross-section Mining Method, and for Mining Method hidden digging structure construction in, it is congenital unfavorable that the stress condition of rectangular cross section exists compared with the condition of u-shaped cross-section, by implementing stressed clear and definite, the clear transformational structure of load bang path, implement to realize the tunneling of rectangular cross section Mining Method, ensure engineering and environment (as underground utilities) safety, reduce project scale, reduce channel base plate structure buried depth, substantially increase the service efficiency of structure space, obtain larger project benefit.
The purpose of this utility model is achieved by the following technical programs.
The utility model provides a kind of supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine, it comprises: matrix pattern supporting and protection structure and two detachable post structures, wherein, described matrix pattern supporting and protection structure fixes supporting and protection structure by square shape and the detachable supporting and protection structure of cross is formed, described square shape fixes the main body that supporting and protection structure can hold required construction, the detachable supporting and protection structure of described cross comprises first vertical median septum and first horizontal middle horizontal-associate, a described just middle horizontal-associate is removably coupled laterally to the middle part that square shape fixes two vertical edges of supporting and protection structure, a described just median septum is removably vertically connected to the middle part that square shape fixes two widthwise edges of supporting and protection structure, wherein, after the described main body that need construct completes its base plate two ends and bottom arch wall part, described first horizontal middle horizontal-associate can be fixed supporting and protection structure from described square shape and remove, the two ends up and down of support body on the base plate that detachable post structural frame stands in described main body, described first median septum vertically can be fixed supporting and protection structure from described square shape and be removed, described detachable post structure and just a median septum transversely square shape described in decile fix supporting and protection structure.
The utility model achieves the tunneling of rectangle big cross section Mining Method, and greatly reduces vertical deformation and differential settlement, and space availability ratio is high.The median septum that the detachable post structure of vertical layout and tunneling are just propped up is alternately stressed, to realize before Mining Method dark-excavated passageway main body forms complete, closing structure and can bear strata pressure, bear the load that the earth pillar of more than vault and existing pipeline, structure etc. produce, and limit the sedimentation of vault, detachable post structure and just a median septum transversely square shape described in decile are fixed supporting and protection structure and are further prevented differential settlement, with reach do not waste structure space and reduce project scale and investment prerequisite under ensure engineering and Environmental security.
The utility model can adopt following measure further: detachable post structure adopts shaped steel processing, and detachable post structure can in conjunction with the template part as concrete work in Mining Method dark-excavated passageway main body construction.
Preferably, described square shape fixes supporting and protection structure by increasing or reduce element of construction to adjust the main body holding different size.The utility model can adapt to the required construction main body of different size, differing heights, adds range of application of the present utility model.
More preferably, described square shape fixes supporting and protection structure and the detachable supporting and protection structure of described cross forms by multiple element of construction, carries out group and and adjustment according to the size cases of tunneling section.
For span, larger or multispan rectangle Mining Method tunneling section also can be implemented according to the utility model.
The utility model has following beneficial effect:
(1) this supporting stress check calculation structure is implemented simple, and workable, reliability is high, and structure space service efficiency is high.Transformational structure is subject to clearly, load bang path is clear, and structural bearing capacity is high, rigidity is large, greatly limits the sedimentation on ground in the rectangular cross section Mining Method boring construction of heavy in section.Can take into account engineering, environment safety and and can at utmost obtain structure the service efficiency in space is provided;
(2) several functions can be taken into account.The detachable post structure arranged can be also used as the vertical support top function of formwork structure in the concrete work of Mining Method tunneling supporting force structure component and main body;
(3) be conducive to the engineering concept realizing saving, green, environmental protection.The detachable post structure arranged can repeatedly use and finally recyclable, reduces the use of constructional materials.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Accompanying drawing 1 is the schematic diagram of the rectangular cross section Mining Method tunneling supporting stress check calculation structure of the utility model example.
Detachable post structure 1 in figure, just a median septum 2, just a middle horizontal-associate 3, main body 4, matrix pattern supporting and protection structure 5, square shape fixes supporting and protection structure 6, connector 7, the detachable supporting and protection structure 8 of cross, element of construction 9.
Below in conjunction with drawings and Examples, the utility model is further explained.
Detailed description of the invention
Fig. 1 is the utility model example, wears the subway station underground passage rectangular cross section Mining Method tunneling supporting stress check calculation structure example of feed pipe under double.Two groups of feed pipes to be diameter be large regions feed pipe of 2.2 meters, adopts bayonet joint between the tube coupling of feed pipe, to deformation sensitive.Because considering the factors such as the persistent service level of underground passage, passage below water pipe need be tried one's best shallow embedding, improve channel base plate face absolute altitude as far as possible, the distance of tunneling section just at the bottom of offset distance feed pipe is less than 900 millimeters, the differential settlement of the excessive sedimentation in ground and feed pipe is caused at work progress for avoiding the Mining Method dark-excavated passageway of this rectangular cross section, in conjunction with the feature of construction technology, use an embodiment of the present utility model, be exclusively used in the supporting stress check calculation structure in tunneling rectangle big cross section mine, it comprises matrix pattern supporting and protection structure 5 and two detachable post structures 1, wherein, described matrix pattern supporting and protection structure 5 fixes supporting and protection structure 6 by square shape and the detachable supporting and protection structure 8 of cross is formed, described square shape fixes the main body 4 that supporting and protection structure 6 can hold required construction, the detachable supporting and protection structure of described cross 8 comprises vertical first median septum 2 and first horizontal middle horizontal-associate 3, a described just middle horizontal-associate 3 is removably coupled laterally to the middle part that square shape fixes two vertical edges of supporting and protection structure 6, a described just median septum 2 is removably vertically connected to the middle part that square shape fixes two widthwise edges of supporting and protection structure 6, wherein, after described main body 4 completes its base plate two ends and bottom arch wall part, described first horizontal middle horizontal-associate 3 is fixed supporting and protection structure 6 from described square shape again and is removed, the two ends up and down of support body 4 on the base plate that detachable post structure 1 frame stands in described main body 4, described detachable post structure 1 and just a median septum 2 transversely square shape described in decile fix supporting and protection structure 6.After the top arch wall of main body 4 of construction and top board two end portions complete and the intensity of main body 4 first construction part reaches 70%, a dismountable just median septum 2, when construction main body 4 is closed, formed complete structure, after normally playing structure stress ability, dismountable detachable post structure 1.
The utility model achieves shifting between different structures, component of the loads such as the above earth pillar of rectangular cross section Mining Method tunneling section vault, and limit vertical deformation and the differential settlement of vault soil layer and pipeline, ensure the safety of hidden digging structure and pipeline in whole work progress.
In a preferred embodiment, described square shape is fixed supporting and protection structure 6 and is adjusted by increasing or reduce element of construction 9 main body 4 holding different size.
In another preferred embodiment, described element of construction 9 is stackable steel frame constructions, combines according to actual conditions.
More preferably, described square shape fixes supporting and protection structure 6 and the detachable supporting and protection structure of described cross 8 forms by multiple element of construction 9.
More preferably, detachable post structure 1 adopts shaped steel to be processed to form.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, the utility model is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art, under the enlightenment of this manual and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, and these all belong to the row of the utility model protection.
Claims (5)
1. one kind is exclusively used in the supporting stress check calculation structure in tunneling rectangle big cross section mine, it comprises: matrix pattern supporting and protection structure (5) and two detachable post structures (1), wherein, described matrix pattern supporting and protection structure (5) fixes supporting and protection structure (6) by square shape and the detachable supporting and protection structure of cross (8) is formed, described square shape fixes the main body (4) that supporting and protection structure (6) can hold required construction, the detachable supporting and protection structure of described cross (8) comprises first vertical median septum (2) and first horizontal middle horizontal-associate (3), a described just middle horizontal-associate (3) is removably coupled laterally to the middle part that square shape fixes two vertical edges of supporting and protection structure (6), a described just median septum (2) is removably vertically connected to the middle part that square shape fixes two widthwise edges of supporting and protection structure (6), wherein, after described main body (4) completes its base plate two ends and bottom arch wall part, described first horizontal middle horizontal-associate (3) can be fixed supporting and protection structure (6) from described square shape and be removed, the two ends up and down of support body (4) on the base plate that detachable post structure (1) frame stands in described main body (4), described first median septum (2) vertically can be fixed supporting and protection structure (6) from described square shape and be removed, construction is completed by the part of just propping up median septum (2) influence area in described main body (4), and make described main body (4) form overall structure and stressed after, dismantle described detachable post structure (1).
2. the supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine according to claim 1, is characterized in that: described square shape is fixed supporting and protection structure (6) and adjusted by increasing or reduce element of construction (9) main body (4) holding different size.
3. the supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine according to claim 1, it is characterized in that: according to the size of Main Structural Section and the arrangement condition of internal construction, adjust square shape flexibly and targetedly to fix supporting and protection structure (6), just prop up the combination of median septum (2), just a middle horizontal-associate (3) and detachable post structure (1), to adapt to the different form of fracture arranged.
4. the supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine according to claim 1, it is characterized in that: described detachable post structure (1) and just a median septum (2) transversely interval are arranged, alternately support supporting and protection structure (6) and main body (4).
5. the supporting stress check calculation structure being exclusively used in tunneling rectangle big cross section mine according to claim 3, is characterized in that: detachable post structure (1) adopts shaped steel to be processed to form.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566228A (en) * | 2019-09-24 | 2019-12-13 | 中铁第六勘察设计院集团有限公司 | tunnel middle partition wall with repeated jacking and locking functions and construction method thereof |
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2014
- 2014-12-31 CN CN201420863611.4U patent/CN204419205U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566228A (en) * | 2019-09-24 | 2019-12-13 | 中铁第六勘察设计院集团有限公司 | tunnel middle partition wall with repeated jacking and locking functions and construction method thereof |
CN110566228B (en) * | 2019-09-24 | 2024-02-09 | 中铁第六勘察设计院集团有限公司 | Tunnel middle partition wall with repeated supporting and locking functions and construction method thereof |
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Address after: 510034 Guangdong Province, Guangzhou city Whampoa District Science City Moon Road No. 101 A block 8 layer Patentee after: Co., Ltd of heavy industry Architecture Design Institute of Guangdong Province Address before: 510034 Guangdong city of Guangzhou province Yuexiu District Yuehua Road No. 116 Patentee before: Co., Ltd of heavy industry Architecture Design Institute of Guangdong Province |
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