CN205089322U - Shaft construction equipment - Google Patents
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- CN205089322U CN205089322U CN201520858061.1U CN201520858061U CN205089322U CN 205089322 U CN205089322 U CN 205089322U CN 201520858061 U CN201520858061 U CN 201520858061U CN 205089322 U CN205089322 U CN 205089322U
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Abstract
The utility model provides a shaft construction equipment belongs to the foundation engineering construction field, including the collar tie beam, strut, support system and the anti structure of floating, ring beam arrangement is in the soil body of tunnel top, strut and apply on the shaft lateral wall, support system is multilayer structure steel bearing structure and median septum structure along the setting of vertical direction, support system perpendicular to shaft length direction sets up, support system struts fixed connection with the shaft both sides, anti superficial structure is located the top and the left and right sides in tunnel. This kind of device, because of the shaft span little to install multilayer support system, and this shaft construction equipment's designability is strong, the soil body pressure of transmission tunnel both sides that can be fine disturbs for a short time to the soil body around the subway tunnel, and uplift volume that can effectual control tunnel satisfies the designing requirement. In addition, still can adopt symmetrical concurrent operation, many working faces are constructed simultaneously and are installed the device, reduce construction period.
Description
Technical field
The utility model relates to Foundation Design construction field, in particular to a kind of To Construction of Silo device preventing both wired protuberances.
Background technology
Along with the fast development of China's economy, the continuous construction of Foundation Design facility, subway line will get more and more in each flourishing city, more and more intensive.But building of texture thing is certain to Existing Subway and has an impact, particularly on deep foundation ditch across both wired constructions time, can on both king-sized impacts of wired generation.But in existing multiple construction method, there is a lot of drawback, such as speed of application, economical cost, influence basin all needs very large raising.
For the construction of subway protection; present major programme is after carrying out grouting and reinforcing to subway protection; put slope spray anchor excavation step by step; but all there is a lot of problem in conventional construction method; as slip casting effect is difficult to control; putting slope, to excavate the disposable unloading earthwork more, causes subway Resistant heave amount not meet design requirement.
Utility model content
The utility model provides a kind of To Construction of Silo device, is intended to improve the problem easily causing subway Resistant heave amount not meet design requirement when constructing above both wired.
The utility model is achieved in that
To Construction of Silo device, comprise collar tie beam, supporting, support system and float Structure, described circle beam setting is in the soil body of tunnel upper, described supporting puts on shaft wall, described support system is sandwich construction, and comprise the steel support structure and median septum structure that vertically arrange, described support system is arranged perpendicular to vertical shaft length direction, described support system is fixedly connected with the supporting of vertical shaft both sides, and described float Structure is positioned at top and the left and right sides in tunnel.
The structure of this To Construction of Silo device is simple, and integrality is strong, and installation difficulty is low, and the feasibility of construction is large.This To Construction of Silo device by force structural, can be good at the soil pressure transmitting both sides, tunnel, effectively can control the uplift capacity of subway, make it meet design requirement.
Further, described steel support structure and median septum structure are all arranged at the trisection point place of vertical shaft length direction.
In the To Construction of Silo device of this structure, steel support structure and median septum structure are all arranged at 1/3 place and 2/3 place of vertical shaft length direction.The benefit of such design is, the steel support structure arranged at the trisection point place of vertical shaft length direction and median septum structure, while ensureing that support strength meets the demands, can save material again, reduces operation, reduces difficulty of construction.
Further, the height on described steel support structure distance ground is 2.5-3.5m.
When distance ground level is less than 2.5m, due to the existence of supporting on shaft wall, the soil stabilization of vertical shaft both sides can be guaranteed.And when shaft depths is greater than 3.5m, the soil pressure of vertical shaft both sides increases, therefore, in distance, 2.5-3.5m place, ground arranges steel support structure, and being conducive to increases the safety of construction and the stability of this device.
Further, described median septum structure is fixedly linked successively, forms mid-board, and the height on the distance ground, top of described mid-board is 4.5-5.5m.
Be 4.5-5.5m place apart from ground level, at vertical shaft length direction 1/3 place and 2/3 place, first floor median septum structure is set, in this To Construction of Silo device of installation, along with vertical shaft is deepened gradually, median septum structure is added layer by layer successively in the below of first floor median septum structure, and ensure to be fixedly linked successively between upper and lower two-layer median septum, in vertical shaft, form stable mid-board, ensure the safety of construction and the stability of this device.
Further, described float Structure comprises anti-floating plate and anti-floating pile, and described anti-floating plate level is arranged at the top in tunnel, and described anti-floating pile has many, is arranged at intervals at both sides, tunnel, and the upper end of described anti-floating pile is connected with anti-floating plate.
The anti-floating pile herein arranged is not general foundation pile, but a kind of uplift pile, pile body bears pulling force, and the stressed of anti-floating pile transmits at the bottom of stake from stake top, and the stressed size of pile body can change along with the change of groundwater table.After interval, both sides, tunnel arranges many anti-floating piles, be horizontally disposed with one deck anti-floating plate at tunnel upper, and make that the upper end of anti-floating pile and anti-floating plate are stable to be connected, effectively prevent the protuberance of Existing Subway, protect Existing Subway facility.
Further, the height on distance anti-floating plate top, described mid-board bottom is 1-1.5m.
Mid-board is made up of several layers of median septum structure, and stop the position of installing median septum to be the 1-1.5m place of mid-board low side apart from anti-floating plate tip height, in the space that it reserves therebetween, be walkway, constructability personnel construct in the shaft.
Further, described supporting is the reinforcing bar grid through concrete ejection.
The intensity of reinforcing bar grid is high, and anti-corrosion capability is strong, and is convenient to install.In the installation process of supporting, the mode that first employing is welded and fixed or mounting clamp is fixing installs reinforcing bar grid, then sprayed mortar is reinforced.The supporting of this structure, intensity is large, and stability is strong, can ensure the safety of vertical shaft in work progress.
Further, the length of described collar tie beam and width are all than the length of anti-floating plate and the large 0.4-0.6m of width.
The collar tie beam area determined like this is little, and the operation side when installing this device is little, and vertical shaft spacing when simultaneously installing is little, and it is little to affect work plane, therefore, can adopt symmetrical parallel operation, this device of Multi-working-surface construction and installation simultaneously,
Further, described median septum structure is bar construction, comprises main muscle, and described main muscle is the main load-bearing reinforcing bar of median septum structure, and the main muscle of described median septum structure is connected with the reinforcing bar grid in supporting.
Main load-bearing reinforcing bar in median septum structure is fixedly connected on the reinforcing bar grid of supporting, makes the trisection point standing on vertical shaft length direction that the mid-board that formed by multilayer median septum structure is stable, and the support strength of this mid-board is larger, and the safety of vertical shaft is higher.
Further, the height on described steel support structure distance ground is 3m.
The object of such setting is, increases the safety of construction and the stability of this device.
The beneficial effects of the utility model are: the To Construction of Silo device that the utility model is obtained by above-mentioned design, during use, first smooth location, construction anti-floating pile, and excavate the rectangular channel of specified scope and the degree of depth, determine shaft excavation length, width and the degree of depth, secondly, collar tie beam is set, excavation limit, vertical shaft limit arranges supporting, arranges steel support structure, starts to adopt in vertical shaft, to arrange multilayer median septum to offset soil pressure at degree of depth 4.5-5.5m place, after when being excavated to projected depth, at tunnel upper construction anti-floating plate.
The beneficial effect of this device is; in subway protection regional extent; circle beam setting is in the soil body of tunnel upper; because vertical shaft span is little, and Multi-layer supporting system is installed, can ensures that this device is installed under unfavorable geological condition or in ultra-deep foundation pit; and this To Construction of Silo device is by force structural; can be good at transmitting the soil pressure of both sides, tunnel, little to the soil body interference around subway tunnel, be more conducive to protecting subway with traditional putting compared with the method excavated on slope.Adopt this To Construction of Silo device to remove body above subway, effectively can control the uplift capacity of subway, make it meet design requirement.
The structure of this To Construction of Silo device is simple, and integrality is strong, and installation difficulty is low, and the feasibility of construction is large.In addition; the operation side of this To Construction of Silo device is little; vertical shaft spacing when simultaneously installing is little; and install to affect work plane little, therefore, symmetrical parallel operation can be adopted; this device of Multi-working-surface construction and installation simultaneously; namely first vertical shaft is in the middle of subway protection section, when To Construction of Silo device is installed to a certain degree, installs two other To Construction of Silo device at the positional symmetry kept at a certain distance away.So just can reduce the construction period greatly, accelerate integrated engineering progress, reduce time and the financial cost of engineering.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the To Construction of Silo device that the utility model embodiment provides;
Fig. 2 is the top view of the To Construction of Silo device that the utility model embodiment provides.
Figure acceptance of the bid note is respectively:
The soil body 101, collar tie beam 102, supporting 103, steel support structure 104, median septum structure 105, walkway 106, anti-floating plate 107, anti-floating pile 108, tunnel 109.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1 and Fig. 2,
The To Construction of Silo device that present embodiment provides, comprise collar tie beam 102, supporting 103, support system and float Structure, described collar tie beam 102 is arranged in the soil body 101 above tunnel 109, described supporting 103 puts on shaft wall, described support system is sandwich construction, comprise the steel support structure 104 and median septum structure 105 that vertically arrange, described support system is arranged perpendicular to vertical shaft length direction, described support system is fixedly connected with vertical shaft both sides supporting 103, and described float Structure is positioned at top and the left and right sides in tunnel 109.
During use, first smooth location, construction anti-floating pile 108, and excavate the rectangular channel of specified scope and the degree of depth, determine shaft excavation length, width and the degree of depth, namely the structure height of this vertical shaft is the distance of ground to anti-floating plate 107 end, and the length of collar tie beam 102 and width are all than the length of anti-floating plate 107 and the large 0.4-0.6m of width.In some specific embodiments, the width of vertical shaft and length are anti-floating plate 107 extension 0.5m.Secondly, collar tie beam 102 is set, after excavation limit, vertical shaft limit arranges supporting 103, in distance, ground level 2.5-3.5m place arranges steel support structure 104, start at degree of depth 4.5-5.5m place to adopt and multilayer median septum is set in vertical shaft to after offsetting the soil body 101 pressure, when being excavated to projected depth, anti-floating of constructing above tunnel 109 plate 107.
The beneficial effect of this device is; in subway protection regional extent; collar tie beam 102 is arranged in the soil body 101 above tunnel 109; because vertical shaft span is little; and Multi-layer supporting system is installed; can ensure that this device is installed under unfavorable geological condition or in ultra-deep foundation pit; and this To Construction of Silo device is by force structural; can be good at the soil body 101 pressure transmitting both sides, tunnel 109; disturb little to the soil body 101 around subway tunnel 109, be more conducive to protecting subway with traditional putting compared with the method excavated on slope.Adopt this To Construction of Silo device to remove body above subway, effectively can control the uplift capacity of subway, make it meet design requirement.
The structure of this To Construction of Silo device is simple, and integrality is strong, and installation difficulty is low, and the feasibility of construction is large.In addition; the operation side of this To Construction of Silo device is little; vertical shaft spacing when simultaneously installing is little; and install to affect work plane little, therefore, symmetrical parallel operation can be adopted; this device of Multi-working-surface construction and installation simultaneously; namely first vertical shaft is in the middle of subway protection section, when To Construction of Silo device is installed to a certain degree, installs two other To Construction of Silo device at the positional symmetry kept at a certain distance away.So just can reduce the construction period greatly, accelerate integrated engineering progress, reduce time and the financial cost of engineering.
Preferably, described steel support structure 104 and median septum structure 105 are all arranged at the trisection point place of vertical shaft length direction.The benefit of such design is, the steel support structure 104 arranged at the trisection point place of vertical shaft length direction and median septum structure 105, while ensureing that support strength meets the demands, can save material again, reduces operation, reduces difficulty of construction.
Preferably, described steel support structure 104 is 2.5-3.5m apart from the height on ground.When distance ground level is less than 2.5m, due to the existence of supporting on shaft wall 103, can guarantee that the soil body 101 of vertical shaft both sides is stablized.And when shaft depths is greater than 3.5m, the soil body 101 pressure increase of vertical shaft both sides, therefore, arranges steel support structure 104 at distance 2.5-3.5m place, ground, be conducive to increasing the safety of construction and the stability of this device.In some specific embodiment, steel support structure 104 is 3m apart from the height on ground.
Moreover described median septum structure 105 is fixedly linked successively, form mid-board, the height on the distance ground, top of described mid-board is 4.5-5.5m.In this altitude range, first floor median septum structure 105 is set in vertical shaft length direction 1/3 place and 2/3 place, in this To Construction of Silo device of installation, along with vertical shaft is deepened gradually, median septum structure 105 is added layer by layer successively in the below of first floor median septum structure 105, and ensure to be fixedly linked successively between upper and lower two-layer median septum, in vertical shaft, form stable mid-board, ensure the safety of construction and the stability of this device.In some specific embodiment, the height on mid-board top distance ground is 5m.
Preferably, described float Structure comprises anti-floating plate 107 and anti-floating pile 108, and described anti-floating plate 107 is horizontally placed on the top in tunnel 109, and described anti-floating pile 108 has many, is arranged at intervals at both sides, tunnel 109, and the upper end of described anti-floating pile 108 is connected with anti-floating plate 107.The anti-floating pile 108 herein arranged is not general foundation pile, but a kind of uplift pile, pile body bears pulling force, and the stressed of anti-floating pile 108 transmits at the bottom of stake from stake top, and the stressed size of pile body can change along with the change of groundwater table.After interval, both sides, tunnel 109 arranges many anti-floating piles 108, one deck anti-floating plate 107 is set in tunnel 109 upper horizontal, and the upper end of anti-floating pile 108 is connected with anti-floating plate 107 is stable, effectively prevent the protuberance of Existing Subway, protection Existing Subway facility.
Moreover the height on distance anti-floating plate 107 top, described mid-board bottom is 1-1.5m.Mid-board is made up of several layers of median septum structure 105, and stop the position of installing median septum to be the 1-1.5m place of mid-board low side apart from anti-floating plate 107 tip height, in the space that it reserves therebetween, be walkway 106, constructability personnel construct in the shaft.In some specific embodiment, the height of this walkway 106 is 1m.
Preferably, described supporting 103 is the reinforcing bar grid through concrete ejection.The intensity of reinforcing bar grid is high, and anti-corrosion capability is strong, and is convenient to install.In the installation process of supporting 103, the mode that first employing is welded and fixed or mounting clamp is fixing installs reinforcing bar grid, then sprayed mortar is reinforced.The supporting 103 of this structure, intensity is large, and stability is strong, can ensure the safety of vertical shaft in work progress.
The mounting method of this To Construction of Silo device, comprises the following steps:
A. above tunnel 109, urban conservation area is excavated and collar tie beam 102 of constructing;
B. in collar tie beam 102, excavate the soil body 101, supporting 103 be installed after being excavated to 40-60cm, after successively excavate and reinforcing bar grid be installed, form supporting 103 after sprayed mortar;
C., when supporting 103 fitting depth is to 2.5-3.5m, after the trisection point place of vertical shaft length direction arranges two steel support structures 104, b is repeated;
D., when supporting 103 fitting depth is to 4.5-5.5m, two median septum structures 105 are set at the trisection point place of vertical shaft length direction;
E. repeat d, after each excavation 0.4-0.6m, guarantee to be fixedly connected to form mid-board between the structure of median septum up and down 105 of installing, the distance in mid-board bottom apart from anti-floating plate 107 top is 1-1.5m place, stops installation median septum structure 105;
F. b is repeated to reaching design anti-floating plate absolute altitude place, construction anti-floating plate.
Construct according to this shaft construction method, just above-mentioned To Construction of Silo device can be obtained, this construction method, little to the soil body 101 disturbance around Existing Subway, can be good at the pressure transmitting both sides, tunnel 109, thus avoid subway Resistant heave amount not meet design requirement.And the method adopts effective single braced structures, difficulty of construction is low, workable.
Preferably, in steps d, described median septum structure 105 is bar construction, comprises main muscle, and described main muscle is the main load-bearing reinforcing bar of median septum structure 105, and the main muscle of described median septum structure 105 is connected with the reinforcing bar grid in supporting 103.Main load-bearing reinforcing bar in median septum structure 105 is fixedly connected on the reinforcing bar grid of supporting 103, make the trisection point standing on vertical shaft length direction that the mid-board that formed by multilayer median septum structure 105 is stable, the support strength of this mid-board is larger, and the safety of vertical shaft is higher.
For clearly demonstrating the utility model, in present embodiment, list two specific embodiments:
Embodiment 1,
A kind of To Construction of Silo device, comprise collar tie beam 102, supporting 103, support system and float Structure, collar tie beam 102 is arranged in the soil body 101 above tunnel 109, supporting 103 is the reinforcing bar grid through concrete ejection, supporting 103 puts on shaft wall, described support system is sandwich construction, and comprise the steel support structure 104 and median septum structure 105 that vertically arrange, described support system is vertically installed in the trisection point place of vertical shaft length direction.Steel support structure 104 is 2.5m apart from the height on ground, and median septum structure 105 is fixedly linked successively, forms mid-board, and the height on the distance ground, top of mid-board is 4.5m.The height on distance anti-floating plate 107 top, mid-board bottom is 1m.Described support system is fixedly connected with vertical shaft both sides supporting 103, described float Structure comprises anti-floating plate 107 and anti-floating pile 108, and anti-floating plate 107 is horizontally placed on the top in tunnel 109, and anti-floating pile 108 has many, be arranged at intervals at both sides, tunnel 109, the upper end of anti-floating pile 108 is connected with anti-floating plate 107.
Embodiment 2,
A kind of To Construction of Silo device, comprise collar tie beam 102, supporting 103, support system and float Structure, collar tie beam 102 is arranged in the soil body 101 above tunnel 109, supporting 103 is the reinforcing bar grid through concrete ejection, supporting 103 puts on shaft wall, described support system is sandwich construction, and comprise the steel support structure 104 and median septum structure 105 that vertically arrange, described support system is vertically installed in the trisection point place of vertical shaft length direction.Steel support structure 104 is 3.5m apart from the height on ground, and median septum structure 105 is fixedly linked successively, forms mid-board, and the height on the distance ground, top of mid-board is 5.5m.The height on distance anti-floating plate 107 top, mid-board bottom is 1.5m.Described support system is fixedly connected with vertical shaft both sides supporting 103, described float Structure comprises anti-floating plate 107 and anti-floating pile 108, and anti-floating plate 107 is horizontally placed on the top in tunnel 109, and anti-floating pile 108 has many, be arranged at intervals at both sides, tunnel 109, the upper end of anti-floating pile 108 is connected with anti-floating plate 107.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. To Construction of Silo device, it is characterized in that, comprise collar tie beam, supporting, support system and float Structure, described circle beam setting is in the soil body of tunnel upper, and described supporting puts on shaft wall, and described support system is sandwich construction, comprise the steel support structure and median septum structure that vertically arrange, described support system is arranged perpendicular to vertical shaft length direction, and described support system is fixedly connected with the supporting of vertical shaft both sides, and described float Structure is positioned at top and the left and right sides in tunnel.
2. To Construction of Silo device according to claim 1, is characterized in that, described steel support structure and median septum structure are all arranged at the trisection point place of vertical shaft length direction.
3. To Construction of Silo device according to claim 2, is characterized in that, the height on described steel support structure distance ground is 2.5-3.5m.
4. To Construction of Silo device according to claim 2, is characterized in that, described median septum structure is fixedly linked successively, forms mid-board, and the height on the distance ground, top of described mid-board is 4.5-5.5m.
5. To Construction of Silo device according to claim 4, is characterized in that, described float Structure comprises anti-floating plate and anti-floating pile, described anti-floating plate level is arranged at the top in tunnel, described anti-floating pile has many, is arranged at intervals at both sides, tunnel, and the upper end of described anti-floating pile is connected with anti-floating plate.
6. To Construction of Silo device according to claim 5, is characterized in that, the height on distance anti-floating plate top, described mid-board bottom is 1-1.5m.
7. To Construction of Silo device according to claim 1, is characterized in that, described supporting is the reinforcing bar grid through concrete ejection.
8. To Construction of Silo device according to claim 5, is characterized in that, the length of described collar tie beam and width are all than the length of anti-floating plate and the large 0.4-0.6m of width.
9. To Construction of Silo device according to claim 7, it is characterized in that, described median septum structure is bar construction, comprises main muscle, described main muscle is the main load-bearing reinforcing bar of median septum structure, and the main muscle of described median septum structure is connected with the reinforcing bar grid in supporting.
10. To Construction of Silo device according to claim 3, is characterized in that, the height on described steel support structure distance ground is 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858061.1U CN205089322U (en) | 2015-10-30 | 2015-10-30 | Shaft construction equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858061.1U CN205089322U (en) | 2015-10-30 | 2015-10-30 | Shaft construction equipment |
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| CN205089322U true CN205089322U (en) | 2016-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240018A (en) * | 2015-10-30 | 2016-01-13 | 中铁上海工程局集团有限公司 | Vertical shaft construction device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240018A (en) * | 2015-10-30 | 2016-01-13 | 中铁上海工程局集团有限公司 | Vertical shaft construction device and method |
| CN105240018B (en) * | 2015-10-30 | 2018-09-18 | 中铁上海工程局集团有限公司 | Construction of Silo device and method |
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