CN102383371B - Overpass concrete outside-hanged cantilever type flower bed and construction method thereof - Google Patents
Overpass concrete outside-hanged cantilever type flower bed and construction method thereof Download PDFInfo
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- CN102383371B CN102383371B CN201110244738.9A CN201110244738A CN102383371B CN 102383371 B CN102383371 B CN 102383371B CN 201110244738 A CN201110244738 A CN 201110244738A CN 102383371 B CN102383371 B CN 102383371B
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- concrete
- hanged
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Abstract
The invention relates to an overpass concrete outside-hanged cantilever type flower bed, simultaneously relates to a construction method thereof, which and belongs to the technical field of building construction. The flower bed comprises a reinforced concrete flange extending upwards from the edge of the horizontal bridge width direction. The bottom of the reinforced concrete flange further extends outwards and upwards to form an arc-shaped outer bed edge. A bed cavity with big end up is arranged between the outer bed edge and the flange, the section of the bed cavity is similar to a trapezoidal shape, and a broken stone cushion layer is overlaid at the bottom of the bed cavity. A horizontal water pipe extending along the length direction of the bed cavity is supported on the upper surface of the broken stone cushion layer, and penetrating water drainage pipes penetrating from the upper surface of the broken stone cushion layer of the bed cavity to a bridge floor water drainage pipe are distributed on the concrete flange at intervals. The construction method comprises arranging supports, assembling reinforcing steel bars, installing pipelines, constructing molds, pouring concrete, clearing and completing. The overpass concrete outside-hanged cantilever type flower bed has the advantages of greening bridges, beautifying cities and occupying little area, and simultaneously has an effect of enhancing strength of overpasses and preventing people from knocking at walls.
Description
Technical field
The present invention relates to a kind of partial structurtes of urban interchange, especially a kind of overpass concrete outside-hanged cantilever type flower bed relates to and construction method simultaneously, belongs to technical field of building construction.
Background technology
According to the applicant understood, the flower bed on existing urban interchange mostly adopts and is connected with anti-collision wall rod member, again greening flower case is put into structure wherein hanging case.This structure exists between external hanging type extension case connection bearing and cement the problems such as crack, the perishable rustization of partial fixing bolt are become flexible, plastic containers shell embrittlement breakage, plumbing facility imperfection, has potential safety hazard.
Application number is that the Chinese patent application of CN201010137605.7 discloses a kind of assembled stereoscopic flower bed and preparation method, can realize the assembled stereoscopic flower bed of any regular or irregular surfaces moulding.But this flower bed structure is not also suitable for urban interchange.
Summary of the invention
The object of the invention is to: the problem existing for above-mentioned prior art, propose a kind of with overpass bridge one and there is the overpass concrete outside-hanged cantilever type flower bed that improves drainage, thereby avoid various unsafe factors.Meanwhile, the present invention also will provide its construction method, thereby make it practical.
In order to reach above object, overpass concrete outside-hanged cantilever type flower bed of the present invention comprises by the upwardly extending steel concrete rib in horizontal bridge deck width direction edge, described steel concrete rib bottom is also outwards extended circular arc Wai Tan limit upward, the up big and down small altar chamber that between described Wai Tan limit and described rib, Formation cross-section is approximate trapezoid, bottom, described altar chamber place mat hardcore bed, described hardcore bed upper surface supports the horizontal water-supply-pipe extending along altar cavity length direction, described concrete rib is intervally distributed with the gutter that penetrates that is led to bridge floor tapping pipe by altar chamber hardcore bed upper surface.
Overpass concrete outside-hanged cantilever type flower bed construction method of the present invention comprises following basic step:
The first step, support is set---in position, extrorse beam limit, horizontal bridge deck width side, stone bolt is set, the fixing prefabricated outer tripod of choosing, and the external mold Zhi Li that interior profile shape and Wai Tan limit gabarit shape are matched is fixed on outward and chooses on tripod;
Second step, assembling reinforcement---the Wai Tan limit shape of outwards extending upward according to concrete rib and by its bottom is carried out reinforcing bar binding in external mold;
The 3rd step, security protection pipeline---spaced apart by hardcore bed upper surface position, the predetermined altar chamber fixing longitudinal drainage pipe that leads to bridge floor tapping pipe of arranging at predetermined concrete rib place;
The 4th step, build template---by with altar chamber and concrete rib inside the internal mold Zhi Li that matches of shape be fixed on horizontal bridge deck width direction edge, form pouring concrete shape chamber with external mold;
The 5th step, concreting---concrete is poured into gradually in the cast shape chamber of external mold and internal mold formation;
The 6th step, cleaning completion---after concrete sizing, remove plug-in tripod and interior external mold, by rubble place mat to bottom altar chamber, and by water-supply-pipe along altar cavity length direction lay to hardcore bed.
In overpass concrete outside-hanged cantilever type flower bed of the present invention after planting plants; the outstanding feature of not only there is greening bridge, beautifying city, not taking up an area face; also there is the effect that strengthens overpass bridge intensity and there is anti-collision wall simultaneously, play reliable safeguard protection effect, achieve many things at one stroke.And construction method constructing structure good integrity of the present invention is simple and easy to do, speed is fast, and upper and lower part structure can parallel operations, save space.After completion, do not need again to arrange colored case, economical and practical, safe and reliable, be convenient to virescence maintenance.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation of one embodiment of the invention.
Detailed description of the invention
Embodiment mono-
The overpass concrete outside-hanged cantilever type flower bed of the present embodiment as shown in Figure 1, upwards extended spot steel concrete rib 2 of horizontal bridge floor 1 widthwise edges.Steel concrete rib 2 tops are by the fixing anticollision barrier 4 of pre-buried lower margin, and bottom is outwards extended circular arc Wai Tan limit 5 upward.The exterior arc surface on this Wai Tan limit 5 extends the edge end face that is coated to horizontal bridge floor 1, not only makes overpass bridge profile more attractive in appearance, and contributes to strengthen its intensity.The up big and down small altar chamber 6 that between Wai Tan limit 5 and steel concrete rib 2, Formation cross-section is approximate trapezoid.Owing to adopting concreting to form, therefore form one with bridge, overall structure is good, has strengthened the function of anti-collision wall simultaneously, safer, reliable.Altar chamber 6 bottom place mat hardcore beds 7, hardcore bed 7 upper surfaces support the horizontal water-supply-pipe 8 extending along altar cavity length direction, on horizontal water-supply-pipe 8, have water seepage hole.Concrete rib 2 be intervally distributed with lead to bridge floor tapping pipe by altar chamber hardcore bed 7 upper surfaces penetrate gutter 9, thereby make internal drainage pipe in altar chamber be connected supporting with overpass bridge drainage.
The overpass concrete outside-hanged cantilever type flower bed construction sequence of the present embodiment is:
The first step, support is set---in position, extrorse beam limit, horizontal bridge deck width side, stone bolt is set, the fixing prefabricated outer tripod of choosing, and the external mold Zhi Li that interior profile shape and Wai Tan limit gabarit shape are matched is fixed on outward and chooses on tripod;
Second step, assembling reinforcement---the Wai Tan limit shape of outwards extending upward according to concrete rib and by its bottom is carried out reinforcing bar binding in external mold; Bar splice lap length is 32-36 times of bar diameter, conventionally gets 36d.For ensureing thickness of protection tier, reinforcing bar bottommost is lined with the mortar pad suitable with predetermined protective layer thickness with the distance interval of 1 meter of spacing;
The 3rd step, security protection pipeline---spaced apart by hardcore bed upper surface position, the predetermined altar chamber fixing longitudinal drainage pipe that leads to bridge floor tapping pipe of arranging at predetermined concrete rib place;
The 4th step, build template---by with altar chamber and concrete rib inside the internal mold Zhi Li that matches of shape be fixed on horizontal bridge deck width direction edge, form pouring concrete shape chamber with external mold; Plug-in cantilever type flower bed is clear-water concrete, does not allow to carry out any repairing, so template and support are most important to concrete presentation quality;
The 5th step, concreting---concrete is poured into gradually in the cast shape chamber of external mold and internal mold formation; The concrete slump is controlled at 12-14cm, and building stones particle diameter is 5-25mm; Preferably adopt concreting in lifts, first floor is built to altar chamber bottom, carries out concrete and shakes again, drives as far as possible the second layer concreting on carrying out again after the bubble accumulating;
The 6th step, cleaning completion---after concrete sizing, remove plug-in tripod and interior external mold, by rubble place mat to bottom altar chamber, and by water-supply-pipe along altar cavity length direction lay to hardcore bed.
Compared with the mode that extension case is connected with anti-collision wall rod member, adopt structure and the method for the present embodiment, because adopting concreting, flower bed forms, form entirety with bridge, flower bed gutter is easily connected with overpass bridge drainage, not only strengthen collision prevention function, also contribute to strengthen the intensity of overpass bridge, hang between case connection bearing and cement and have crack at the external hanging type of having properly settled prior art existence, partial fixing bolt corrosion rustization is loosening, plastic containers shell embrittlement breakage, when the problems such as plumbing facility imperfection, also make bridge more attractive in appearance, the virescence maintenance work in later stage becomes safety, convenient, economical.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. an overpass concrete outside-hanged cantilever type flower bed, comprise by the upwardly extending steel concrete rib in horizontal bridge deck width direction edge, it is characterized in that: described steel concrete rib bottom is also outwards extended circular arc Wai Tan limit upward, the up big and down small altar chamber that between described Wai Tan limit and described rib, Formation cross-section is approximate trapezoid, bottom, described altar chamber place mat hardcore bed, described hardcore bed upper surface supports the horizontal water-supply-pipe extending along altar cavity length direction, described concrete rib is intervally distributed with the gutter that penetrates that is led to bridge floor tapping pipe by altar chamber hardcore bed upper surface, the exterior arc surface on described Wai Tan limit extends the edge end face that is coated to horizontal bridge floor.
2. overpass concrete outside-hanged cantilever type flower bed according to claim 1, is characterized in that: described steel concrete rib top is by the fixing anticollision barrier of pre-buried lower margin.
3. the construction method of overpass concrete outside-hanged cantilever type flower bed according to claim 1, is characterized in that comprising the following steps:
The first step, support is set---in position, extrorse beam limit, horizontal bridge deck width side, stone bolt is set, the fixing prefabricated outer tripod of choosing, and the external mold Zhi Li that interior profile shape and Wai Tan limit gabarit shape are matched is fixed on outward and chooses on tripod;
Second step, assembling reinforcement---the Wai Tan limit shape of outwards extending upward according to concrete rib and by its bottom is carried out reinforcing bar binding in external mold;
The 3rd step, security protection pipeline---spaced apart by hardcore bed upper surface position, the predetermined altar chamber fixing longitudinal drainage pipe that leads to bridge floor tapping pipe of arranging at predetermined concrete rib place;
The 4th step, build template---by with altar chamber and concrete rib inside the internal mold Zhi Li that matches of shape be fixed on horizontal bridge deck width direction edge, form pouring concrete shape chamber with external mold;
The 5th step, concreting---concrete is poured into gradually in the cast shape chamber of external mold and internal mold formation;
The 6th step, cleaning completion---after concrete sizing, remove plug-in tripod and interior external mold, by rubble place mat to bottom altar chamber, and by water-supply-pipe along altar cavity length direction lay to hardcore bed.
4. the construction method of overpass concrete outside-hanged cantilever type flower bed according to claim 3, is characterized in that: in described second step, the 32-36 that bar splice lap length is bar diameter doubly.
5. according to the construction method of overpass concrete outside-hanged cantilever type flower bed described in claim 3 or 4, it is characterized in that: in described second step, reinforcing bar bottommost interval is lined with the mortar pad suitable with predetermined protective layer thickness.
6. the construction method of overpass concrete outside-hanged cantilever type flower bed according to claim 5, is characterized in that: in described the 5th step, the concrete slump is controlled at 12-14cm, and building stones particle diameter is 5-25mm.
7. the construction method of overpass concrete outside-hanged cantilever type flower bed according to claim 6, is characterized in that: in described the 5th step, adopt concreting in lifts, first floor is built to bottom, altar chamber, then second layer concreting on carrying out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110244738.9A CN102383371B (en) | 2011-08-25 | 2011-08-25 | Overpass concrete outside-hanged cantilever type flower bed and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110244738.9A CN102383371B (en) | 2011-08-25 | 2011-08-25 | Overpass concrete outside-hanged cantilever type flower bed and construction method thereof |
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| Publication Number | Publication Date |
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| CN102383371A CN102383371A (en) | 2012-03-21 |
| CN102383371B true CN102383371B (en) | 2014-11-05 |
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| CN201110244738.9A Expired - Fee Related CN102383371B (en) | 2011-08-25 | 2011-08-25 | Overpass concrete outside-hanged cantilever type flower bed and construction method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563669B (en) * | 2012-07-25 | 2017-07-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of anticollision barrier greening method |
| CN107142847A (en) * | 2017-04-28 | 2017-09-08 | 安徽华骅桥梁设备制造有限公司 | One kind is used for bridge floor guardrail osculum steel form |
| CN109972518B (en) * | 2019-03-06 | 2020-07-10 | 安徽省公路桥梁工程有限公司 | Construction method of hanging plate type guardrail base |
| CN110144818B (en) * | 2019-06-03 | 2021-01-08 | 倡创(上海)咨询管理事务所 | Construction method of cast-in-place concrete guardrail |
| CN111691283B (en) * | 2020-06-02 | 2022-02-11 | 士高建设集团有限公司 | Landscape bridge convenient to maintain green plants |
| CN112663493A (en) * | 2020-12-30 | 2021-04-16 | 浙江中咨交通科技有限公司 | Bridge area flower case concrete anticollision barrier structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429475A (en) * | 2003-01-29 | 2003-07-16 | 王伟 | Flower terrace using environmental protection water storage, water saving technology |
| JP2008121287A (en) * | 2006-11-13 | 2008-05-29 | Fuji Ps Corp | Steel-concrete compound beam and method of constructing steel-concrete compound beam |
| CN201805762U (en) * | 2010-09-22 | 2011-04-27 | 浙江索尔园林工程服务有限公司 | Overhead viaduct bridge guardrail greening flowerpot |
| CN202416156U (en) * | 2011-08-25 | 2012-09-05 | 南京润盛建设集团有限公司 | Concrete external-mounted cantilever type parterre of flyover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294450B (en) * | 2008-06-19 | 2012-07-25 | 陈仁多 | Hanging garden of city |
| KR20100040824A (en) * | 2010-03-18 | 2010-04-21 | 배영진 | Sticking structure for girder |
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- 2011-08-25 CN CN201110244738.9A patent/CN102383371B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429475A (en) * | 2003-01-29 | 2003-07-16 | 王伟 | Flower terrace using environmental protection water storage, water saving technology |
| JP2008121287A (en) * | 2006-11-13 | 2008-05-29 | Fuji Ps Corp | Steel-concrete compound beam and method of constructing steel-concrete compound beam |
| CN201805762U (en) * | 2010-09-22 | 2011-04-27 | 浙江索尔园林工程服务有限公司 | Overhead viaduct bridge guardrail greening flowerpot |
| CN202416156U (en) * | 2011-08-25 | 2012-09-05 | 南京润盛建设集团有限公司 | Concrete external-mounted cantilever type parterre of flyover |
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| CN102383371A (en) | 2012-03-21 |
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Owner name: JIANGSU YUANSHENG CONSTRUCTION MANAGEMENT CO., LTD Effective date: 20150114 |
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Effective date of registration: 20150114 Address after: 211122 Chunhua Road, Jiangning District, Jiangsu, Nanjing Patentee after: Nanjing Runsheng Construction Group Co., Ltd. Patentee after: Jiangsu Source Construction Management Co., Ltd. Address before: 211122 Chunhua Road, Jiangning District, Jiangsu, Nanjing Patentee before: Nanjing Runsheng Construction Group Co., Ltd. |
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Granted publication date: 20141105 Termination date: 20200825 |