CN107060832B - A kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot - Google Patents
A kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot Download PDFInfo
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- CN107060832B CN107060832B CN201710470059.0A CN201710470059A CN107060832B CN 107060832 B CN107060832 B CN 107060832B CN 201710470059 A CN201710470059 A CN 201710470059A CN 107060832 B CN107060832 B CN 107060832B
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- template
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- longitudinal beam
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Abstract
Present invention relates particularly to a kind of curved section type variable telescoping steel form vault templates and its adjustable arch beam support construction that can satisfy variable cross-section bend cave depot construction demand.The invention aims to improve the general and interchangeability of curved section type variable telescoping steel form vault template.The specific splicing for using the vault modular unit section being made up of the standard form and special template of minimum specification, efficiently solve the vault template adaptability problem of Varied section bend cave depot construction, simultaneously, by the adjustable arch beam support construction for supporting the compositions such as very heavy sliding support and its mating upper longitudinal beam, solves the problems, such as the support of the template, by means of the present invention, when carrying out the construction of bend cave depot, it only needs to increase and decrease standard form and replacement special template, greatly reduces labor intensity and engineering cost.
Description
Technical field
The invention belongs to underground cavern construction of concrete lining equipment technology fields, and in particular to one kind can satisfy change and cut
The curved section type variable telescoping steel form vault template and its adjustable arch beam support construction of face bend cave depot construction demand.
Background technique
In the construction of multibreak face bend cave depot engineering, it is frequently encountered the change due to cave depot span and its section is caused to be joined
Several variations, the section of variation not being able to satisfy construction demand using the vault template of a certain set specification of tradition, and needs to match
The more set vault templates of standby and replacement are constructed.In this way, the expenses such as mold investment, production management, transition transport are not only increased,
And in practice of construction, a whole set of template is replaced, it is also necessary to the processes such as the artificial formwork erection of repetitive cycling, demoulding, carrying, formwork,
Considerably increase labor intensity and engineering cost.On the other hand, due to the vault section configuration and straightway of bend cave depot
Cave depot, cannot be on the basis of former span by simply increasing or decreasing the vault template of part different size compared to complex
Unit section come adapt to variation section, be not otherwise able to satisfy by the concrete-lined required precision of multiple cave depot, or need to be equipped with tens
The tailored template of the even more specifications of kind.So, how to be spliced, by the modular unit section of minimum specification to approach different spans
Vault theory camber line be a technical problem in current engineering construction.
In addition, be also equipped on traditional telescoping steel form under normal circumstances for improves and arched girder that vault template connects firmly by
The support construction of power situation, this class formation upper end connect often through supporting element with arched girder, lower end and telescoping steel form frame system
The a certain component of system connects firmly, to transmit the vertical load and increase its stiffness that arched girder is born.Conventional fixed-type support knot
Although structure force-bearing situation is preferable, it is not adjustable bend cave depot and causes because of the change of span along cave depot axis direction and bend
The installation error of radial direction can also make arch structure bear larger due to the presence of installation error in both direction instead
Torque.
In order to solve the above technical problems, the present invention is intended to provide a kind of curved section type variable telescoping steel form vault template and its
Adjustable arch beam support construction, the set template can be met by the standard form of minimum specification and the splicing of special template
It is certain to become across range inner curve cave depot construction demand；Meanwhile providing a kind of arched girder adjustable support connected firmly with vault template
Structure effectively eliminates the cave depot axis direction of conventional fixed-type structure generation and the installation error of bend radial direction, improves arch
The force-bearing situation of ellbeam.
Summary of the invention
In order to achieve the above object, the present invention provides a kind of curves that can satisfy variable cross-section bend cave depot construction demand
Section type variable telescoping steel form vault template and its adjustable arch beam support construction.
Specifically, the present invention is achieved by the following scheme.It is a kind of suitable for variable cross-section bend cave depot construction
Vault template and its support construction, support construction two parts including vault template and for being laid with vault template, the vault
Template is the template designed using ad hoc approach；
The support construction includes outside upper longitudinal beam, the very heavy sliding support fastening bolt of support, arched girder, arched girder support
Very heavy, the very heavy sliding support of support, inside upper longitudinal beam and column.Because being used for bend, therefore outside upper longitudinal beam and inside upper longitudinal beam are equal
For arc, and be separately positioned on along cave depot section direction it is symmetrical inside and outside column upper end.
Creation point of the invention movably supports very heavy sliding support first is that using.The very heavy sliding branch of support
Seat is an active plate, and two sides are respectively equipped with fixation hole, and in order to guarantee that stability, the quantity of the fixation hole of every side are two.
Two sides are additionally provided with the lug with holes that confession " people " font arched girder supports very heavy lower end hingedly to install above active plate.Arched girder
Support very heavy upper end and arched girder hinged.
For convenience of description, outside upper longitudinal beam and inside upper longitudinal beam are referred to as upper longitudinal beam.Upper longitudinal beam is box in the present invention
Structure, main member are the concentric circles that outer panels, inner panel, top panel and lower panel, wherein outer panels and inner panel are thin-walled
Cambered plate；Top panel and lower panel are fan-shaped distribution；Multiple groups convex is uniformly arranged along bend radial line on top panel two sides
Edge and outward flange, are provided with sliding slot at inward flange and at outward flange, the sliding slot be it is arc-shaped and with track curve circular arc concentric；
It supports very heavy sliding support by the sliding slot, the fixation hole of itself, is consolidated using the very heavy sliding support fastening bolt of support
It is fixed.When needing to adjust the very heavy sliding support position of support, very heavy sliding support fastening bolt is supported as long as loosening.
Heretofore described arched girder is the adjustable arched girder of arch of multistage connection.Along bend cave depot axis direction
Several groups are uniformly arranged to be distributed in bend radial line.It connects firmly and supports above arched girder and be spliced by several modular unit sections
Vault template.
The ad hoc approach that vault template of the present invention uses is designed to include the following steps
First is that drawing the unit section vault template expanded view that standard width is 1200mm.
1.1 respectively with R,(wherein R is turning radius, LiFor span, i is span serial number) be radius draw respectively across
Outside, inside and the intermediate circular arc of degree；
1.2 on the outside on circular arc, and it is wide to intercept the standard that an arc length is 1200mm, by the center of circle respectively with circular arc two-end-point phase
Even；
1.3 lines meet at other two o'clock with inner arc respectively, then planar graph composed by this 4 points is a unit
Vault template expanded view is saved, the inside and outside both sides of the expanded view are located inside and outside each span on theoretical circular arc, and in addition two
Edge radial distribution.
Second is that the chord length of circular arc replaces corresponding arc length inside and outside, point of a vault modular unit section expanded view is obtained
Analyse model.
2.1 vault templates rely on its own adaptive arc special construction, telescoping steel form arched girder curved support and
Under mounting process, plastic deformation is brought it about, muti-piece template splicing is at space curved surface, but the panel blanking stage during fabrication,
The panel of arc length 1200mm unit section template need to be launched into plane geometric figure；
2.2 under normal circumstances, and since the radius of curvature of elbow curve is larger, the arc length inside and outside template is corresponding
Chord length difference is very small, and architectural engineering can be ignored completely not instead of error caused by corresponding arc length respectively using chord length
Meter, therefore, the analysis model of a vault modular unit section expanded view can then be reduced to an isosceles trapezoid, wherein two waists are distinguished
In the radial line of theoretical circle under different spans, upper and lower two bottom edge is respectively the string of corresponding circular arc.
Third is that according to the throwing between the analysis model of each unit section expanded view and the template vault circular arc distribution map of each span
Shadow corresponding relationship divides template specification.
3.1, according to vaults arc parameterss such as arch, span, mistake height, arch radius, center locations, draw the theory of each span
Template vault circular arc；
3.2 successively divide the theoretical template arch of each span with the arc length of a length of 1000mm of standard from top to bottom or from bottom to top
Tip circle arc；
3.3 utilize the throwing between the analysis model of the theoretical template vault circular arc and vault modular unit section expanded view that divide
The unit section template of each span is successively divided into several pre-standard templates and a pre- special template by shadow corresponding relationship,
Template corresponding to middle 1000mm arc length is pre-standard template, and one finally divided is less than template corresponding to 1000mm arc length
For pre- special template；
3.4 pairs of each pre-standard templates and pre- special template are numbered, and wherein pre-standard template is denoted as " marki,n", it is pre- special
Template is denoted as " speciali,1", wherein i is span serial number.
Fourth is that a kind of modular unit section of span and the profile size of remaining several span modular unit section are compared
Analysis, the least one kind of step-up error is benchmark unit section, and utilizes reference cell section optimisation criteria template specification.
4.1 is related with span according to the standard form specification quantity of step 3 division, has tens kinds under normal circumstances, standard
Template specification quantity is excessive, needs to optimize；
4.2 each span unit section profiles of analysis, by the mould of the modular unit section of one of span and remaining several span
The profile size of plate unit section compares and analyzes, and step-up error is least a kind of for benchmark unit section；
The pre-standard template-setup of the reference cell section divided in step 3 is ultimate criterion template by 4.3, and is denoted as
" markN", N is standard form serial number.
Fifth is that manufacture and mounting process in conjunction with template, optimize special template specification.
5.1 is should be greater than 500mm convenient for manufacture and installation template, all template lengths of division, therefore, special being arranged
When template, the coupled standard form of the special template of curtailment 500mm should be merged, and be set as a special mould
Plate, while reducing the standard form quantity under the span；
Special template after optimization is denoted as " spy by 5.2i", i is span serial number.
Sixth is that drawing template specification size table according to each template number.According to Step 4: five standard forms divided and spy
Different template, the structure and technical parameter of binding curve section type variable telescoping steel form draw the template specification size table of each span.
Seventh is that drawing each span template outfit table and expanded view according to template specification size table.
The vault template designed according to the method described in the present invention is a set of standard form and special mould by several specifications
Board group at vault template.When carrying out the construction of bend cave depot using the vault template, it is only necessary to increase and decrease standard form and replacement
Special template greatly reduces labor intensity and engineering cost.
Compared with prior art, the beneficial effects of the present invention are:
By the splicing of several vault modular unit sections being made of the standard form and special template of minimum specification, have
Effect solves under certain turning radius, due to span change and the vault template after causing cave depot section parameter to change is suitable
Answering property problem has accomplished one module multiple usages, and construction precision is higher.
The adjustable arch beam support construction that the present invention passes through the support compositions such as very heavy sliding support and its mating upper longitudinal beam
Design, so that curved section type variable telescoping steel form vault template is can be applied to actual production.Be 50000mm with turning radius,
For 1/4 arch, it is only necessary to a kind of ten standard forms and special template can meet become in across range 4000mm-6000mm it is all across
The construction demand of degree, theoretical cumulative errors are less than 10mm.
Telescoping steel form of the invention reduces installation compared with using conventional fixed-type telescoping steel form arched girder support construction
Error, hence it is evident that improve the force-bearing situation of arched girder.On the interior outward flange of " arc " shape medial and lateral upper longitudinal beam top panel, along curved
Road radial line is uniformly arranged external chute in several groups, is provided with several in every group in external chute for the fixed very heavy sliding of support
The very heavy sliding support fastening bolt of the support of support, overcomes and supports very heavy sliding support along cave depot axis direction under different spans
Deviate the positively and negatively error of its theoretical installation site to the left or to the right；The support thousand for supporting very heavy lower end to connect firmly with arched girder
Jin sliding support uses spherical steel support, and the rotation of big corner can overcome each span to miss along the installation of bend radial direction
Difference.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is apparatus of the present invention main view；
Fig. 2 is the attached view of apparatus of the present invention (expansion)；
Fig. 3 be in apparatus of the present invention Fig. 1 A-A to partial sectional view；
Fig. 4 is upper longitudinal beam main view on the outside of apparatus of the present invention；
Fig. 5 is B-B direction cross-sectional view in apparatus of the present invention Fig. 4；
Fig. 6 is enlarged view at I in apparatus of the present invention Fig. 4；
Fig. 7 is across the vault template expanded view of apparatus of the present invention 4000mm；
Fig. 8 is across the vault template expanded view of apparatus of the present invention 4500mm；
Fig. 9 is across the vault template expanded view of apparatus of the present invention 5000mm；
Figure 10 is across the vault template expanded view of apparatus of the present invention 5500mm；
Figure 11 is across the vault template expanded view of apparatus of the present invention 6000mm；
The vault cross-module plate space arrangement figure that Figure 12 is apparatus of the present invention 4000mm to be cut across, length 3600mm mono-.
In figure: upper longitudinal beam on the outside of 1-；101- outer panels；102- inner panel；103 top panels；104 lower panels；2- support thousand
Jin sliding support fastening bolt；3- vault template；4- arched girder；The support of 5- arched girder is very heavy；6- supports very heavy sliding support；7-
Inside upper longitudinal beam；8- column；C- external chute；D- internal chute.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit in any way
The present invention.
The present invention is 50000mm, 1/4 arch, is become across range 4000mm- with turning radius common in the construction of practical cave depot
6000mm, change stride away from for 500mm, in conjunction with legend, illustrate one kind and are applied to curved section type variable telescoping steel form (by three
Frame system composition, every section of axial length about 3600mm are cut, is always about 10800mm, each section both can be used alone, and can also combine makes
With) on vault template and its adjustable arch beam support construction specific embodiment.
As shown in figures 1 to 6, a kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot, including it is outer
Side upper longitudinal beam 1, the very heavy sliding support fastening bolt 2 of support, vault template 3, arched girder 4, arched girder support very heavy 5, support thousand
Jin sliding support 6, inside upper longitudinal beam 7 and column 8；
Column 8 has multiple and inside and outside being symmetrically disposed on along cave depot section direction, and the setting of outside upper longitudinal beam 1 is on the outside
8 upper end of column of inside is arranged in 8 upper end of column, inside upper longitudinal beam 7.
It is a box-structure, " arc " shape centerline along the outside upper longitudinal beam 1 that cave depot bend axis direction is in " arc " shape
Radius is equal to turning radius, and thin-walled outer panels 101 and inner panel 102 are isocentric circular arc panel；Top panel 103 and lower panel 104
Fan-shaped distribution, two sides are distributed along 50000mm track curve circular arc radial line；It is uniformly set on top panel 103 along bend radial line
Outward flange in 11 groups, inward flange inner arc and outward flange outer arc and track curve circular arc concentric are set, is set at interior outward flange
Set external chute C, D in 11 groups.Sliding slot C, D also with track curve circular arc concentric.
For the very heavy sliding branch of the fixed support for supporting very heavy sliding support 6 there are four being arranged in external chute C, D in every group
Seat fastening bolt 2, trough width are slightly larger than slightly larger than the nominal diameter for supporting very heavy sliding support fastening bolt 2, length
Along twice of cave depot axis direction maximum installation error in five kinds of spans of 4000mm-6000mm, it is therefore an objective to overcome under different spans
Very heavy sliding support 6 is supported to deviate the positive error and negative sense error of its theoretical installation site to the left or to the right.
The very heavy sliding support 6 of support for supporting very heavy 5 lower end to connect firmly with arched girder is spherical steel support, and big corner turns
Dynamic performance enough overcomes between 4000mm-6000mm each span along the installation error of bend radial direction.
Very heavy 6 two sides of sliding support of support are each provided with two fixation holes, support very heavy sliding support fastening bolt 2
Very heavy sliding support 6 will be supported to be fixed in outside upper longitudinal beam 1 or inside upper longitudinal beam 7 across two side chutes and fixation hole；
Arched girder supports very heavy 5 two stabilizer blades hinged with the lug at very heavy 6 both ends of sliding support of support respectively, arched girder branch
The upper end for supportting very heavy 5 and arched girder 4 are hingedly；The vault template 3 is arranged on arched girder 4.
Installation example
Vault template 3 of the change across range 4000mm-6000mm designed according to ad hoc approach altogether comprising ten it is a kind of in etc.
The trapezoidal standard form of waist and special template, wherein six kinds of standard form, upper bottom length range are 1079mm-1200mm, and
The bottom of flanking sequence specification template is equal with upper bottom, is highly 1000mm；Five kinds of special template, upper bottom length range is
1064mm-1118mm, altitude range 636mm-1375mm.Each template specification size is as shown in table 1.
As illustrated in figures 7-11, the vault template of every kind of span by nine in bend radial line distribution unit section splicing and
At each unit section forms (each span template outfit of 4000mm-6000mm by four to six standard forms and a special template
As shown in table 2), wherein standard form is set on the outside of bend, and special template is set to curve inner side.
As shown in figure 12, by taking 4000mm cuts vault cross-module plate across, 3600mm mono- as an example, in actual installation, along bend diameter
To line direction, by inwardly, successively installing " mark 1, mark 2, mark 3, mark 4 " four standard forms of each unit section on the outside of bend,
The installation of unit section most inner side " spy 1 " template；Along bend cave depot axis direction, from left to right, successively each unit section is coupled, and
It is connected firmly with arched girder 4.The installation of other span templates is similar with its.
1 4000mm-6000mm of table is across each template specification size table
Each span template of 2 4000mm-6000mm of table is equipped with table
It will be understood by those skilled in the art that above embodiments are only exemplary embodiments, without departing substantially from spirit of the invention
In the case where range, it is changed, replaces and changes and also should be considered to be encompassed in protection scope of the present invention.
Claims (3)
1. a kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot, which is characterized in that including vault
Template (3) and support construction two parts for being laid with vault template (3), the vault template (3) are to be set using ad hoc approach
The template of meter；
The support construction includes outside upper longitudinal beam (1), the very heavy sliding support fastening bolt (2) of support, arched girder (4), arch
Beam supports very heavy (5), the very heavy sliding support (6) of support, inside upper longitudinal beam (7) and column (8)；
Column (8) has multiple and inside and outside being symmetrically disposed on along cave depot section direction, and outside upper longitudinal beam (1) setting is on the outside
Column (8) upper end of inside is arranged in column (8) upper end, inside upper longitudinal beam (7)；
Outside upper longitudinal beam (1) is identical with inside upper longitudinal beam (7) structure composition, only radian half due to being located inside and outside bend
Diameter and length different from；
Outside upper longitudinal beam (1) is the case being made of outer panels (101), inner panel (102), top panel (103) and lower panel (104)
Type structure, wherein outer panels (101) and inner panel (102) are isocentric circular arc panel；Top panel (103) and lower panel (104) are equal
For sector distribution；Multiple groups inward flange and outward flange are uniformly arranged along bend radial line on top panel (103) two sides, at inward flange
Be provided with sliding slot at outward flange, the sliding slot be it is arc-shaped and with track curve circular arc concentric；
Very heavy sliding support (6) two sides of support are provided with fixation hole, and very heavy sliding support fastening bolt (2) is supported to pass through two
Side chute and fixation hole will support very heavy sliding support (6) to be fixed in outside upper longitudinal beam (1) or inside upper longitudinal beam (7)；
Arched girder supports two stabilizer blades of very heavy (5) hinged with the lug at very heavy sliding support (6) both ends of support respectively, arched girder branch
Upper end and arched girder (4) for supportting very heavy (5) are hinged；
The vault template (3) is arranged on arched girder (4)；
The vault template (3) is made of standard form and special template.
2. a kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot according to claim 1,
It is characterized in that, the quantity of the fixation hole is side two.
3. a kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot according to claim 1,
It is characterized in that, the inward flange inner arc and outward flange outer arc and track curve circular arc concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470059.0A CN107060832B (en) | 2017-06-20 | 2017-06-20 | A kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470059.0A CN107060832B (en) | 2017-06-20 | 2017-06-20 | A kind of vault template and its support construction suitable for the construction of variable cross-section bend cave depot |
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| CN107060832A CN107060832A (en) | 2017-08-18 |
| CN107060832B true CN107060832B (en) | 2019-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112144869A (en) * | 2020-10-13 | 2020-12-29 | 诸暨市仲达智能科技有限公司 | Double-arch window hole erecting device for building |
| CN112726440B (en) * | 2020-12-31 | 2022-01-18 | 四川省交通勘察设计研究院有限公司 | Shed tunnel structure suitable for turning zone and construction method thereof |
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| CN107060832A (en) | 2017-08-18 |
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