CN205314127U - Modular arched conduit - Google Patents
Modular arched conduit Download PDFInfo
- Publication number
- CN205314127U CN205314127U CN201521068474.6U CN201521068474U CN205314127U CN 205314127 U CN205314127 U CN 205314127U CN 201521068474 U CN201521068474 U CN 201521068474U CN 205314127 U CN205314127 U CN 205314127U
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- China
- Prior art keywords
- cavity structure
- hollow cavity
- sheet bar
- unit sheet
- arched conduit
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Abstract
The utility model discloses a modular arched conduit, include to be assembled by the unit slab to form the arch tube coupling, the formation arched conduit is assembled along the axial to this arch tube coupling, wherein, there is the peripheral closed hollow -cavity structure of cross section the outside and/or the inboard of this unit slab. The domes of this pipeline for having hollow -cavity structure have improved torsional stiffness and anti vertical unstability ability, its bottom is straight face or inverted arch face, is convenient for currently or wiring / pipeline, hidden connection structure can be adopted between the adjacent arch tube coupling, piping space is not additionally taken, it is practical pleasing to the eye etc. The clean space utilization in inside and the current clear width of arched conduit can improve with clear height for the high reduction of pipeline is buried the ground degree of depth, basic excavation depth and engineering volume and all can be reduced.
Description
Technical field
The utility model discloses a kind of steel pipe, particularly relate to a kind of combination type arched conduit.
Background technology
At present, Urban Underground composite duct is made with highway culvert and roads and tunnels lining cutting many employings armored concrete, and its version has on-the-spot one-piece casting and precast assembly, and cross sectional shape mainly has rectangle and circle. But reinforced concrete structure, not only cost is significantly high, whole requirement of engineering uses cement in a large number, is unfavorable for environmental protection, and reinforced concrete structure seam is many, generally every 2～5 meters of seams, the sealing of seam is a difficult problem, and construction technical requirement is high, long construction period, in use being easy to cracking simultaneously, leak, maintenance cost is high. Wherein, for rectangular configuration pipeline, its both sides body of wall, except bearing the load on top, still suffer from the transverse load of side soil layer, and top plate directly bears dynamic loading and dead load, but because of only with common reinforced concrete technology, for resist torque and disturb song, strengthen its bearing capacity, preventing unstability, wall needs the very thick of setting, and expense is high. And common circular reinforcing bar concrete pipe, the backfill prescription of duct bottom key groove and both sides is high, it it is additionally arc bottom pipe interior, it not flat, it is unfavorable for that bottom arranges pipe support and pipeline, also the current of maintainer and maintenance of equipment it is unfavorable for, it is necessary to bottom pipe interior, build platform.
It would therefore be highly desirable to solve above-mentioned technical barrier.
Utility model content
Utility model purpose: the purpose of this utility model is to provide the combination type arched conduit that a kind of energy improves internal clear space utilization rate, high, the anti-vertical unstability ability of torsional rigidity is strong.
Technical scheme: a kind of combination type arched conduit described in the utility model, forms arch tube coupling including by unit sheet bar assembly, and this arch tube coupling is assembled vertically forms arched conduit; Wherein, there is the hollow cavity structure that cross-sectional perimeter closes the outside of this unit sheet bar and/or inner side.
Wherein, arch tube coupling is made up of both sides unit sheet bar and upper and lower unit sheet bar, and wherein, both sides unit sheet bar and upper unit sheet bar are arc-like sheet, and lower unit plate is flat or faces upward for shape; Or be made up of both sides unit sheet bar and upper unit sheet bar, it is arc-like sheet.
Wherein, unit sheet bar is made up of metallic plate, and this metallic plate can form hollow cavity structure by bent upon itself;Or metallic plate is bent to form convex shape, form hollow cavity structure by sheet material or tubing and this combination of protrusions.
The adjacent hollow cavity structure on described unit sheet bar is end to end, to form continuous print hollow cavity structure.
When arch tube coupling splices vertically, the contact end portion of adjacent cells plate has flanging or hollow cavity structure, and the contact surface of adjacent folds or hollow cavity structure is splicing joint face; Furtherly, above-mentioned flanging is folded to outside arch tube coupling.
Preferably, it is possible to fill concrete in hollow cavity structure, reinforcing bar can also be set up in hollow cavity structure simultaneously.
Another kind of combination type arched conduit described in the utility model, forms arch tube coupling including by unit sheet bar assembly, and this arch tube coupling is assembled vertically forms arched conduit; Wherein, this unit sheet bar is spliced by metallic plate and metal tube; Or being spliced side by side by metal tube, its cross section is a chain of structure; Or mutually fastened by corrugated plating and form the unit sheet bar with hollow cavity; Or fastened by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating and flat board and form the unit sheet bar with hollow cavity.
Same, when arch tube coupling splices vertically, the contact end portion of adjacent cells plate has metal tube or hollow cavity structure, and the contact surface of adjacent metal pipe or hollow cavity structure is splicing joint face.
Preferably, it is possible to fill concrete in metal tube or hollow cavity structure, reinforcing bar can also be set up in metal tube or hollow cavity structure simultaneously.
Beneficial effect: compared with prior art, this utility model has the advantage that this pipeline is the domes with hollow cavity structure, improves torsional rigidity and anti-vertical unstability ability; It it is flat face or inverted arch face bottom it, it is simple to current or wiring/pipeline; Concealed attachment structure can be adopted between adjacent arcuate tube coupling, additionally do not take pipeline space, practical and attractive etc.; The inside clear space utilization rate of arched conduit and current clear span are improved with clear height so that duct height reduces, and the buried degree of depth, the foundation excavation degree of depth and quantities are all reduced; This pipeline is flat face bottom it, it is easy to build pipeline foundation, and most important when solving the backfill of circular cross-section pipeline is also the problem of the backfill construction of the most difficult bottom wedged gap and compactness simultaneously.
Accompanying drawing explanation
Fig. 1 (a)-1 (r) is the cross sectional representation of this utility model first kind hollow cavity structure;
Fig. 2 (a)-2 (e) is the cross sectional representation of this utility model Equations of The Second Kind hollow cavity structure;
The cross sectional representation that Fig. 3 (a), 3 (b) and 3 (c) are this utility model the 3rd class hollow cavity structure;
Fig. 4 (a)-4 (e) is the cross sectional representation of this utility model the 4th class hollow cavity structure;
Fig. 5 is the structural representation of this utility model lower unit plate;
Fig. 6 is the structural representation of this utility model both sides unit sheet bar;
Fig. 7 is the structural representation of unit sheet bar on this utility model;
Fig. 8 (a)-8 (c) is the cross sectional representation of this utility model adjacent arcuate tube coupling splicing construction;
Fig. 9 (a)-9 (e) is this utility model structural representation with the arched conduit of base plate;
Figure 10 (a)-10 (d) is this utility model structural representation without the arched conduit of base plate;
Figure 11 is the circulation schematic diagram of this utility model arched conduit filling concrete.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further.
The first combination type arched conduit 100 of the present utility model, forms arch tube coupling 102 including by unit sheet bar 101 assembly; Preferably, this arch tube coupling 102 is made up of both sides unit sheet bar and upper and lower unit sheet bar, wherein, both sides unit sheet bar and upper unit sheet bar are arc-like sheet, its longitudinal section (length direction along hollow cavity structure 103) is arc, lower unit plate i.e. base plate can be flat plate, as shown in Fig. 9 (a), 9 (e), can also be inverted arch shape, as shown in Fig. 9 (b), 9 (c), 9 (d); Certainly, arch tube coupling 102 without base plate, only can also be made up of both sides unit sheet bar and upper unit sheet bar, and it is arc-like sheet, as shown in Figure 10 (a)-10 (d); The length of this utility model single-unit tube coupling is up to 10-15 rice, as long as traffic condition license, length can be longer, and so whole pipeline joint-seam reduces, better tightness; Arched conduit 100 is formed by assembled vertically for the arch tube coupling 102 obtained; Wherein, there are hollow cavity structure 110 structure and the cross-sectional perimeter Guan Bi of this hollow cavity structure 110 in the outside of this unit sheet bar 101 and/or inner side. Preferably, cavity has certain length, and two ends can through or one end closing, one end open. The hollow cavity structure of this closed type cross section is than the hollow cavity structure of open type cross section, and higher, the anti-vertical unstability ability of torsional rigidity is higher, and pipeline is domes in addition, and therefore, the vertical bearing capacity of pipeline is able to further reinforcement. Simultaneously, owing to the bottom of arched conduit is flat face or inverted arch form, need not mat formation horizontal stand can directly as remarkable or car excessively passage, base plate can not also be laid when pipeline foundation bearing capacity is suitable, it is easy to build pipeline foundation, most importantly it solves the backfill construction of wedged gap bottom when circular cross-section pipeline backfills and a difficult problem for compactness. Additionally, the pipeline of domes, the utilization rate of its internal clear space is improved.
Above-mentioned hollow cavity structure 110 can individually be located on unit sheet bar 101, as shown in Fig. 1 (a), 1 (b), 1 (o)-1 (r).
Wherein unit sheet bar is made up of metallic plate, hollow cavity structure 110 can be formed by this metallic plate bent upon itself, the shape of cross section of bending can be rectangle, circle etc., and the gap formed between hollow cavity structure 103 with unit sheet bar 101 is welded, as shown in Fig. 1 (c), 1 (d), 1 (e). Protruding 103 shapes can also be bent to form by metallic plate 106, combine by sheet material or tubing and this projection 103 and form hollow cavity structure 110, as shown in Fig. 1 (f)-1 (n), wherein, the cavity geometry being bent to form can be grooved, arc, semicircle etc., and sheet material used can be steel plate, channel-section steel, C-type steel, curved plate etc.
Can to fill concrete 105 in hollow cavity structure 110 of the present utility model, can first to hollow cavity structure 110 concrete perfusion 105 on unit sheet bar during filling, then assembly again; Or by end to end for the hollow cavity structure on adjacent cells plate, to form continuous print hollow cavity structure, assembled formation tube coupling overall perfusion again, the second reperfusion mode is shown in Figure 11, offers filling concrete hole 111 and concrete overfolw hole 112 accordingly at tube coupling top. Wherein, reinforcing bar can be set up in hollow cavity structure 110 while fill concrete. This utility model make use of concrete and/or the superior bearing capacity of reinforcing bar and steel pipe to concrete encapsulation, it is possible to farthest delays generation and the extension of hollow cavity inside configuration distress in concrete, further enhances the vertical bearing capacity of pipeline.
When described arch tube coupling 102 splices vertically, the contact end portion of adjacent cells plate 101 is bent to form flanging 104, preferably, this flanging 104 is folded to the outside of arch tube coupling 102, the collision of vehicle etc. and wall in pipeline can be reduced or scratch, the contact surface of adjacent folds 104 is splicing joint face, for instance flange bolt can be adopted to connect, as shown in Fig. 8 (b).Or the contact end portion of adjacent cells plate has hollow cavity structure 110, this hollow cavity structure 110 can be bent to form by unit sheet bar or individually weld on unit sheet bar, the contact surface of adjacent hollow cavity body structure 110 is splicing joint face, such as can offer bolt hole on this contact surface, and offer bolt handle hole 113 on another surface of hollow cavity structure near this bolt hole, instrument is stretched in hollow cavity structure 103 from bolt handle hole 113 and is used for fastening bolt, after bolt is tightened, retrieving tool, bolt handle hole 113 is blocked again with port lid 114, in case it is follow-up in hollow cavity structure during concrete perfusion, concrete overflows through bolt handle hole 113, such connecting bolt is no longer exposed in pipeline, will not take up room, affect attractive in appearance, therefore concealed connection is called it as, as shown in Fig. 8 (c). it is of course also possible to the contact end portion by adjacent cells plate is directly welded, as shown in Fig. 8 (a).
This utility model the second combination type arched conduit 100, forms arch tube coupling 102 including by unit sheet bar 101 assembly, and this arch tube coupling 102 is assembled vertically forms arched conduit 100; Wherein, this unit sheet bar 101 is spliced by metallic plate 106 and metal tube 107, as shown in Fig. 2 (a)-2 (e); Or being spliced side by side by metal tube 107, its cross section is a chain of structure, as shown in Fig. 3 (a), 3 (b), 3 (c); Or mutually fastened the unit sheet bar formed with hollow cavity structure 110 by corrugated plating 108, as shown in Fig. 4 (a); Or fastened, with flat board 109, the unit sheet bar formed with hollow cavity structure 110 by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating 108, as shown in Fig. 4 (b). Above straight sheet material is bent to form the sheet material with shapes such as arc, ripple type, grooveds and can increase the vertical bearing capacity of unit sheet bar.
When above-mentioned arch tube coupling 102 splices vertically, the contact end portion of adjacent cells plate 101 has metal tube 107 or hollow cavity structure 110, and the contact surface of adjacent metal pipe 107 or hollow cavity structure 110 is splicing joint face, such as can offer bolt hole on this contact surface, then adopt above-mentioned concealed connected mode. Same, as needed in fill concrete 105 in metal tube 107 or hollow cavity 110, or reinforcing bar fill concrete 105 can be set in described metal tube 107 or hollow cavity structure 110.
During said units plate 101 assembled formation arch tube coupling 102, connected by a pair flanged plate 115 between adjacent cells plate 101, as illustrated in figs. 5-7. Wherein, the end of each unit sheet bar 101 is equipped with a flanged plate 115, it can be such as welding, and on flanged plate 115, open concrete flow orifice 116, the shape of this concrete flow orifice 116 can be identical with the shape of cross section of hollow cavity structure 103, opening flange connecting hole 117 on flanged plate 115, flange connecting hole 117 can be with bolts simultaneously.
Arched conduit of the present utility model is semi-compliant structure, and anti-seismic performance is good, and anti-settling ability is strong, can absorb micro-deformation, and not easy to crack; After cast concrete, its bearing capacity is much larger than general reinforced concrete wall, and under the premise ensureing some strength, thickness is thinning, is greatly saved cost. Arched conduit is easily achieved the adjustment of length-width ratio, to adapt to different floor height requirements.
Claims (10)
1. a combination type arched conduit, it is characterised in that: including being formed arch tube coupling (102) by unit sheet bar (101) assembly, this arch tube coupling (102) is assembled vertically forms arched conduit (100);Wherein, there is the hollow cavity structure (110) that cross-sectional perimeter closes the outside of this unit sheet bar (101) and/or inner side.
2. combination type arched conduit according to claim 1, it is characterized in that: described arch tube coupling (102) is made up of both sides unit sheet bar and upper and lower unit sheet bar, wherein, both sides unit sheet bar and upper unit sheet bar are arc-like sheet, and lower unit plate is flat or faces upward for shape; Or be made up of both sides unit sheet bar and upper unit sheet bar, it is arc-like sheet.
3. combination type arched conduit according to claim 1, it is characterised in that: described unit sheet bar is made up of metallic plate, and this metallic plate bent upon itself forms hollow cavity structure (110); Or metallic plate (106) is bent to form projection (103) shape, combines by sheet material or tubing and this projection (103) and form hollow cavity structure (110).
4. combination type arched conduit according to claim 1, it is characterised in that: the adjacent hollow cavity structure (110) on described unit sheet bar (101) is end to end.
5. combination type arched conduit according to claim 1 and 2, it is characterized in that: when described arch tube coupling (102) is spliced vertically, the contact end portion of adjacent cells plate (101) has flanging (104) or hollow cavity structure (110), and the contact surface of adjacent folds or hollow cavity structure is splicing joint face.
6. combination type arched conduit according to claim 5, it is characterised in that: the flanging (104) of described unit sheet bar (101) end is folded to arch tube coupling (102) outside.
7. the combination type arched conduit according to claim 1,3 or 4, it is characterised in that: fill concrete (105) in described hollow cavity structure (110); Or reinforcing bar fill concrete (105) are set in described hollow cavity structure (110).
8. a combination type arched conduit, it is characterised in that: including being formed arch tube coupling (102) by unit sheet bar (101) assembly, this arch tube coupling (102) is assembled vertically forms arched conduit (100); Wherein, this unit sheet bar (101) is spliced by metallic plate (106) and metal tube (107); Or being spliced side by side by metal tube (107), its cross section is a chain of structure; Or the unit sheet bar formed with hollow cavity structure (110) is mutually fastened by corrugated plating (108); Or fastened, with flat board (109), the unit sheet bar formed with hollow cavity structure (110) by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating (108).
9. combination type arched conduit according to claim 8, it is characterized in that: when described arch tube coupling (102) is spliced vertically, the contact end portion of adjacent cells plate (101) has metal tube (107) or hollow cavity structure (110), and the contact surface of adjacent metal pipe (107) or hollow cavity structure (110) is splicing joint face.
10. combination type arched conduit according to claim 8, it is characterised in that: described metal tube (107) or hollow cavity structure (110) interior fill concrete (105); Or reinforcing bar fill concrete (105) are set in described metal tube (107) or hollow cavity structure (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521068474.6U CN205314127U (en) | 2015-12-21 | 2015-12-21 | Modular arched conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521068474.6U CN205314127U (en) | 2015-12-21 | 2015-12-21 | Modular arched conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205314127U true CN205314127U (en) | 2016-06-15 |
Family
ID=56186051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521068474.6U Expired - Fee Related CN205314127U (en) | 2015-12-21 | 2015-12-21 | Modular arched conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205314127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401596A (en) * | 2015-12-21 | 2016-03-16 | 南京联众建设工程技术有限公司 | Combined arched pipeline |
| CN107366220A (en) * | 2017-06-13 | 2017-11-21 | 南京联众建设工程技术有限公司 | Assembled arch bridge |
-
2015
- 2015-12-21 CN CN201521068474.6U patent/CN205314127U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401596A (en) * | 2015-12-21 | 2016-03-16 | 南京联众建设工程技术有限公司 | Combined arched pipeline |
| CN105401596B (en) * | 2015-12-21 | 2017-09-01 | 南京联众建设工程技术有限公司 | Combined type arched conduit |
| WO2018223502A1 (en) * | 2017-06-09 | 2018-12-13 | 南京联众建设工程技术有限公司 | Modular arch bridge |
| CN107366220A (en) * | 2017-06-13 | 2017-11-21 | 南京联众建设工程技术有限公司 | Assembled arch bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211215 Zhetang Town Industrial Park, Lishui District, Nanjing City, Jiangsu Province Patentee after: Nanjing Lianzhong Engineering Technology Co., Ltd. Address before: 211215 No. 331 Zhening East Road, Zhetang Industrial Concentration Zone, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Nanjing Liantong Construction Engineering Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20201221 |