CN203702172U - Arch-shaped lining roof steel formwork supporting system - Google Patents
Arch-shaped lining roof steel formwork supporting system Download PDFInfo
- Publication number
- CN203702172U CN203702172U CN201420051389.8U CN201420051389U CN203702172U CN 203702172 U CN203702172 U CN 203702172U CN 201420051389 U CN201420051389 U CN 201420051389U CN 203702172 U CN203702172 U CN 203702172U
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- special
- vertical rod
- support system
- cross bar
- arch
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 238000009415 formwork Methods 0.000 title abstract description 8
- 230000009191 jumping Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 239000002023 wood Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 12
- 229910052742 iron Inorganic materials 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides an arch-shaped lining roof steel formwork supporting system which is adapted to construction with many section forms and small structure sections. In each roof truss of the arch-shaped lining roof steel formwork supporting system, special transverse rods and special vertical rods are distributed on the edges of each roof truss corresponding to a profile steel joist, general transverse rods, general vertical rods, the special transverse rods and the special vertical rods are connected through bolts with the help of connecting steel plates, the profile steel joint is also connected with connecting steel plates in a welded mode, and a side wall profile steel joist body, an arch arc-shaped joist body and corresponding general components or special components are connected through bolts with the help of the corresponding connecting steel plates. A connecting positioning component comprises adjustable bolts, the adjustable bolts enable the components in both roof trusses to be longitudinally connected into a whole along the supporting system, and the connecting relations between the adjustable bolts and the components in both the roof trusses comprise full connection, jumping connection and staggered connection in the longitudinal direction; the connecting positioning component comprises roof supports and roof support parts, and the roof supports and the roof support parts are matched with existing structures constructed around the supporting system so as to play a role in transverse adjustment and supporting positioning of the whole supporting system.
Description
Technical field
The utility model relates to underground construction support system, relates in particular to arch liner top board steel form support system.
Background technology
In the time that subway engineering adopts station, the tunnel etc. of hidden construction process to construct, more employing formwork jumbo performs the lining cutting of arch top board, but it is more single in structure section size, structure section is more extensive compared with obsolescence free,, span more for structure section size conversion is large, crown arc radius is while changing, if all adopt formwork jumbo, the formwork jumbo that needs to be equipped with various structures cross dimensions, construction cost will increase greatly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of arch liner top board steel form support system, to adapt to the construction that form of fracture is many, structure section is less, most of member can be general in various form of fractures, only need the special component of processing minimum quantity, and installing/dismounting is simple and easy, quick, safety, and compliance is more extensive.
For solving the problems of the technologies described above, the utility model provides a kind of arch liner top board steel form support system, be characterized in comprising substrate matting layer, standard member, special component, shaped steel keel and contact align member, standard member comprises general cross bar and general vertical rod, special component comprises special cross bar and special vertical rod, shaped steel keel comprise side wall type steel joist and arch drag keel, on shaped steel keel, for laying steel form, standard member, special component and shaped steel keel become along the Pin of the horizontal expansion of this support system to install; In each Pin, end or the side of general cross bar, general vertical rod, special cross bar and special vertical rod are welded with junction steel plate, special cross bar and special vertical rod distribute at the corresponding shaped steel keel in the edge of each Pin, between general cross bar, general vertical rod, special cross bar and special vertical rod, connected by bolt by means of junction steel plate, shaped steel keel are also welded with junction steel plate, between the standard member of side wall type steel joist and arch drag keel and correspondence or special component, are also connected by bolt by means of junction steel plate; Contact align member comprises adjustable bolt, adjusting screw becomes entirety by the member in each Pin along the vertical linkage of this support system, the contact relation of adjusting screw and the member in each Pin along being describedly longitudinally divided into whole connections, jumping is connected with staggering, contact align member comprises jacking and jacking accessory, jacking and jacking accessory coordinate with this support system existing structure having performed around, and this support system of entirety is played to lateral adjustments and supporting and location effect.
Described arch liner top board steel form support system, its further feature is that shaped steel keel are H shaped steel form.
Described arch liner top board steel form support system, its further feature is that the general cross bar of standard member and general vertical rod are i iron form.
Described arch liner top board steel form support system, its further feature is that the junction steel plate of the end of special cross bar and special vertical rod and arch drag keel are in the internal wiring plane of relevant position, so that closely connected connection.
Described arch liner top board steel form support system, its further feature is that the standard member between each Pin can exchange.
Described arch liner top board steel form support system, its further feature is, described substrate matting layer comprises the lumps of wood making real to designing on middle fine sand and the middle fine sand that carries basal plane absolute altitude, the lumps of wood is along the longitudinal elongated layout of this system, and the center line of the lumps of wood overlaps with the longitudinal midline of corresponding vertical rod.
Arch liner top board steel form support system can be passed through on-site consolidation general purpose steel member, the member of privileged sites is installed again, mount type steel joist afterwards, finally whole support system is longitudinally connected, horizontal adjustment location, form complete form bracing system, reinforcing bar, concrete, the deadweight of formwork and formwork supports system are evenly passed to carrying basal plane, and guarantee the stressed safety of support system, therefore simple and easy, quick, the safety of installing/dismounting, compliance is more extensive.
Brief description of the drawings
The above and other feature of the present utility model, character and advantage are by by becoming more obvious below in conjunction with the description of drawings and Examples, wherein:
Fig. 1 is the schematic diagram of the lateral cross section of the arch liner top board steel form support system of an embodiment of the utility model.
Fig. 2 is the schematic diagram (along the cross section of the A-A line in Fig. 1) of the longitudinal cross-section of the arch liner top board steel form support system of an embodiment of the utility model.
Fig. 3 is the schematic diagram of the adjusting screw of an embodiment of the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can do similar popularization, deduction according to practical situations without prejudice to the utility model intension in the situation that, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
In Fig. 1, shown the lateral cross section of the support system in close two tunnels, left and right, this is mainly for clearly illustrating structure wherein, and the utility model is not limited to the support in close tunnel, left and right, can be the support in single tunnel.Due to drawing width reason, Fig. 2 has only shown part longitudinal cross-section view.It should be noted that these and follow-up other accompanying drawing are all only as example, it is not to draw according to the condition of equal proportion, and should be using this as the protection domain of the utility model actual requirement is construed as limiting.
As depicted in figs. 1 and 2, arch liner top board steel form support system comprises substrate matting layer, standard member, special component, shaped steel keel and contact align member.
Substrate matting layer material therefor is mainly middle fine sand, the lumps of wood 64.Be excavated to after design elevation at basal plane soil layer, fully roll to meeting design bearing capacity requirement, then with in fine sand pave and make real to design carrying basal plane absolute altitude, the leveling layer effect of simultaneously holding concurrently of middle fine sand.Re-lay afterwards the lumps of wood 64, as shown in Figure 2, the lumps of wood 64 is along the elongated layout of support system, and the lumps of wood 64 needs sleeping putting, and its center line overlaps with corresponding longitudinal interior vertical rod longitudinal midline.
Standard member comprises general cross bar and general vertical rod.Standard member can be designed to the arc crown liner support system of all cross dimensionss that are applicable to certain engineering, need to press max architecture cross dimensions requirement tool member, in construction, during compared with the structure of light section size, only needing to reduce a respective members can satisfy the demand.But standard member needs comprehensive related various form of fractures, accomplish that general context maximizes.
In an embodiment of the present utility model, standard member material therefor is mainly i iron and junction steel plate, junction steel plate bores the bolt hole of 4, junction steel plate is welded on end or side (the determining according to type of attachment) of standard member, i iron cutting length is determined according to its concrete use location, general cross bar and general vertical rod can be distinguished by numbering, can exchange with title or rod member of the same type, assembled to facilitate, as depicted in figs. 1 and 2, general cross bar comprises general cross bar 11, general cross bar 12, general cross bar 13, general cross bar 14 and general cross bar 15, general vertical rod comprises general vertical rod 51, general vertical rod 52, general vertical rod 53.The processing quantity of standard member conforms to on-the-spot practice of construction condition, is generally no more than 10 Pin (the framework facade that Fig. 1 shows is a Pin, and every Pin spacing 1.2m, each section of building is no more than 12m).
Special component comprises special cross bar and special vertical rod.Special component is only applicable to the structural sections of specific cross dimensions.Consider member processing complexity, whole support system symmetric design, accomplishes that member machining kinds is few, is convenient to differentiation and assembled.
In Fig. 1 and Fig. 2, special cross bar comprises special cross bar 21, special cross bar 22, special cross bar 23, and special vertical rod comprises special vertical rod 41, special vertical rod 42, special vertical rod 43, special vertical rod 44.Special component material therefor is identical with standard member, for i iron blanking forms, is welded to connect steel plate in end or the side of special component.Junction steel plate welding one end angle (except side wall special component) of special component, parallel at the internal wiring of relevant position with arc-shaped steel joist 61, be convenient to the closely connected connection of junction steel plate.The junction plate that shaped steel keel 61 are connected with special component, its bolt hole need be made strip, with prevent because of processing or when construction deviation bolt can not penetrate, be convenient to install, dismounting.
The general cross bar 12 of bottom and special cross bar 21 are adding man-hour, and the junction steel plate of its bottom surface welds in the lump, and one can make the cross bar can be general up and down, and two can play the effect of stablizing bottom cross bar, prevent that support system bottom surface is up big and down small and cause unstability.
Shaped steel keel comprise the vertical keel 62 of side wall and arch drag keel 61.Shaped steel keel adopt steel plate cutting, are welded into H shaped steel form, and shaped steel keel are pressed the processing of execution conditions merogenesis, and the junction plate that can weld by each joint between joint and joint is connected by bolt.
Contact align member comprises adjusting screw, jacking and jacking accessory (steel pipe lumps of wood chock, i iron support pad).
Adjusting screw refers to the rod assemblies that length can regulate by helicitic texture, and as shown in Figure 3, it comprises steel pipe 71, positive screw mandrel 72 and anti-screw mandrel 73.
As shown in Figure 2, the effect of adjusting screw is that each Pin member is become to entirety along structural sections vertical linkage, is divided into whole connections (in Fig. 2 the 1st, 3 layers) and jump, stagger and be connected (plane blossom type layout, in Fig. 2 the 2nd, 4 layers) by arrangement form.The bolt hole (being positioned at the end of positive screw mandrel 72, anti-screw mandrel 73) at adjusting screw two ends is identical with the junction plate bolt hole of supporting member (special component or standard member), when connection, passes in the lump and fastening nut with supporting member connecting bolt bar.
Jacking accessory comprises steel pipe, i iron support pad etc., and its effect is to coordinate jacking work, and the existing structure that jacking utilization has performed, laterally adjusts and supporting and location whole support system.As shown in the figure adjustment and supporting and location be divided into two-layer 81,82(as the middle part of Fig. 1 with jacking), i iron support pad is along longitudinally sleeping putting of structural sections, side withstands on structural iron tubing string, use again jacking support top, cardinal extremity and the i iron of jacking are supported, and the top cap of jacking is supported with the steel pipe being connected on the junction steel plate on supporting member.
The construction method of previous embodiment is described in the back.
First soil layer is excavated to design basal plane absolute altitude, fully rolls to meeting design bearing capacity requirement, then with in fine sand pave and make real to design and carry basal plane absolute altitude.
The longitudinal elongated laying flitch of interval setpoint distance (according to requirement for bearing capacity and vertical pole ' s span calculative determination), the vertical projection position that paving location is vertical rod;
Successively, by Pin, each layer vertical rod, cross bar and edge column (being side wall type steel joist) are installed, edge column lateral surface need determine according to measuring unwrapping wire, and the sideline that its lateral surface sideline and structural plane are put outward after a segment distance (definite according to punching block gross thickness) overlaps.All steel members are all with bolts;
Successively assembled cross bar, vertical rod steel member, longitudinally connect steelframe with adjusting screw between every Pin, by designing requirement be divided into whole connections with jump, staggering is connected (being plane quincuncial arrangement);
After general cross bar, vertical rod, side wall type steel joist and assembled the completing of the special cross bar of part, can utilize this system as operating platform, carry out basal plane processing, construction of waterproof layer and reinforcing bar binding operation that tunneling is just propped up.
Start assembledly during concreting at support system, the partial component (dotted line member in figure) in system centre can be installed, and to form a construction passage that can pass through support body, does not affect other operation construction.
According to structure section size, crown arc radius, substep selects and assembled special vertical rod, special cross bar and shaped steel keel.Top shaped steel keel are arc, utilize steel plate by arch crown radius requirement cutting back and upper and lower leg plate, are welded into afterwards H shaped steel;
Utilize the existing structure that performed, with steel pipe, jacking and sleepingly put i iron by support system horizontal connection, cross binding, location, its support top level interval is identical with vertical rod longitudinal pitch.
After support system supporting and location, assembled steel form 63 bolt connect.
Although the utility model with preferred embodiment openly as above, it is not for limiting the utility model, and any those skilled in the art, not departing from spirit and scope of the present utility model, can make possible variation and amendment.Therefore, every content that does not depart from technical solutions of the utility model, any amendment, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, within all falling into the protection domain that the utility model claim defines.
Claims (6)
1. arch liner top board steel form support system, it is characterized in that comprising substrate matting layer, standard member, special component, shaped steel keel and contact align member, standard member comprises general cross bar and general vertical rod, special component comprises special cross bar and special vertical rod, shaped steel keel comprise side wall type steel joist and arch drag keel, on shaped steel keel, for laying steel form, standard member, special component and shaped steel keel become along the Pin of the horizontal expansion of this support system to install; In each Pin, end or the side of general cross bar, general vertical rod, special cross bar and special vertical rod are welded with junction steel plate, special cross bar and special vertical rod distribute at the corresponding shaped steel keel in the edge of each Pin, between general cross bar, general vertical rod, special cross bar and special vertical rod, connected by bolt by means of junction steel plate, shaped steel keel are also welded with junction steel plate, between the standard member of side wall type steel joist and arch drag keel and correspondence or special component, are also connected by bolt by means of junction steel plate; Contact align member comprises adjustable bolt, adjusting screw becomes entirety by the member in each Pin along the vertical linkage of this support system, the contact relation of adjusting screw and the member in each Pin along being describedly longitudinally divided into whole connections, jumping is connected with staggering, contact align member comprises jacking and jacking accessory, jacking and jacking accessory coordinate with this support system existing structure having performed around, and this support system of entirety is played to lateral adjustments and supporting and location effect.
2. arch liner top board steel form support system as claimed in claim 1, is characterized in that, shaped steel keel are H shaped steel form.
3. arch liner top board steel form support system as claimed in claim 1, is characterized in that, the general cross bar of standard member and general vertical rod are i iron form.
4. arch liner top board steel form support system as claimed in claim 1, is characterized in that, the junction steel plate of the end of special cross bar and special vertical rod and arch drag keel are in the internal wiring plane of relevant position, so that closely connected connection.
5. arch liner top board steel form support system as claimed in claim 1, is characterized in that, the standard member between each Pin can exchange.
6. arch liner top board steel form support system as claimed in claim 1, it is characterized in that, described substrate matting layer comprises the lumps of wood making real to designing on middle fine sand and the middle fine sand that carries basal plane absolute altitude, the lumps of wood is along the longitudinal elongated layout of this system, and the center line of the lumps of wood overlaps with the longitudinal midline of corresponding vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051389.8U CN203702172U (en) | 2014-01-26 | 2014-01-26 | Arch-shaped lining roof steel formwork supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051389.8U CN203702172U (en) | 2014-01-26 | 2014-01-26 | Arch-shaped lining roof steel formwork supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702172U true CN203702172U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051389.8U Expired - Lifetime CN203702172U (en) | 2014-01-26 | 2014-01-26 | Arch-shaped lining roof steel formwork supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756935A (en) * | 2018-06-01 | 2018-11-06 | 招商局重庆交通科研设计院有限公司 | Run disease tunnel assembled treatment structures and its construction method |
| CN111691299A (en) * | 2020-05-08 | 2020-09-22 | 中国一冶集团有限公司 | Arch bridge arch ring supporting device |
-
2014
- 2014-01-26 CN CN201420051389.8U patent/CN203702172U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756935A (en) * | 2018-06-01 | 2018-11-06 | 招商局重庆交通科研设计院有限公司 | Run disease tunnel assembled treatment structures and its construction method |
| CN111691299A (en) * | 2020-05-08 | 2020-09-22 | 中国一冶集团有限公司 | Arch bridge arch ring supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |