CN105332337A - Environment-friendly large-span steel-clad earthwork arch structure - Google Patents
Environment-friendly large-span steel-clad earthwork arch structure Download PDFInfo
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- CN105332337A CN105332337A CN201510173328.8A CN201510173328A CN105332337A CN 105332337 A CN105332337 A CN 105332337A CN 201510173328 A CN201510173328 A CN 201510173328A CN 105332337 A CN105332337 A CN 105332337A
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Abstract
The invention provides an environment-friendly large-span steel-clad earthwork arch structure. The upper part of the steel-clad arch structure is covered with earthto form an embankment which can perform road construction. The steel-clad arch structure is added with a stay cable made of PS steel to perform construction of a large-span bridge. The arch structure comprises more than one pair of concrete foundations on a base at a certain interval, arch steel ribs which are made of steel and are arranged in an arch shape between adjacent concrete foundations, precast concrete planks arranged on the arch steel ribs and used for the embankment, waterproof layers arranged on the upper surfaces of the precast concrete planks and blocking permeable water in the layer, an embankment which is formed on the waterproof layers by using earth in earthing construction and is used as an ecological passage and provides basic packaging surface, concrete braces inserted on the concrete foundations and used for acting on the supporting loads of the arch steel ribs, and PS steel used to stretch between the concrete braces and the arch steel ribs.
Description
Art
The present invention relates to a kind of environmentally friendly large-span steel compound earthwork domes { Environmentfriendlyarchstructureoflong-spansteelcomposit eearthworks}.
The domes that the present invention and surrounding enviroment are coordinated mutually are relevant, and the environmentally friendly large-span steel compound earthwork domes especially with following are relevant.Namely carry out earthing on the top of domes, form the embankment that can carry out road construction.Domes are set up the suspension cable utilizing PS steel, carries out the construction of Longspan Bridge.
current background technology
Past under normal circumstances, when building road or railway, utilizes the embankment of the earthwork to form the roadbed of road or railway.In the case, due to the existence of the earthwork, block both sides, and hampered sight line.This has caused the resentment of the regional people of construction, therefore, is changed over by bridge and has gross morphology and very general bridge construction.But under these circumstances, bridge is also build by structures such as concrete, make bridge and its surrounding enviroment and inharmonious, and bridge construction destroys on the contrary overall attractive in appearance.Meanwhile, in order to the operating expenses input by bridge construction is also very high, waste is economically caused.Therefore, need a kind of bridge and surrounding enviroment of can making of exploitation to coordinate also can make the environmentally friendly structure that operating expenses is cheap simultaneously.
Technical background of the present invention comes from No. 10-2014-0088741st, KR published patent publication number, provides a kind of " arch precast construction and construction method thereof ".This comprises base concrete, to be placed on described base concrete and to have the ventilation opening sections of ventilation opening, and the strenthening member settled on described ventilation opening sections, and forms arch precast construction.In described technical background, manufacture under the state of sections (comprising ventilation opening sections) traverse, thus stably can form sections, and can the expense made required for sections is reduced to minimum.Sections is installed support bar and/or strenthening member, can prevent carrying sections, the operation such as erection time the width that occurs on the displacement that occurs and bending and chapping of causing can be prevented.But according to described background technology, when carrying out road construction in the above after embankment is formed at sections top, sections can not be protected to the safety of mobile load.And this structure is used in longspan structure and has certain difficulty.
Another technical background of the present invention is that Korea S logs in No. 10-1428510th, the patent number of logging in, and provides " the arch bridge structure utilizing strong concrete block ".This makes the concret block made by concrete material connect with arcuate nature, on described concret block both sides, for the ease of be combineding with each other, be provided with engagement groove and in conjunction with cynapse, on described concret block upper surface, in order to prevent the connecting portion between block from producing gap, simultaneously in order to increase adhesion each other, be attached with fibrage.
Described technical background uses the reinforcement concret block of macromolecule concrete material, thus it is damaged to prevent bridge construction from occurring.Further, as the fibrolaminar domes of use, there is the easy advantage of construction.But, because described technical background is not steel compound domes, therefore, form embankment when carrying out road construction, its safety can reduce on top.Moreover, due to the intensity of arch bridge structure can not be increased, therefore, in the middle of the construction that can not be used in Longspan Bridge.
Summary of the invention
In order to solve the problem, the invention provides and a kind ofly the invention provides one using the kind environmentally friendly large-span steel compound earthwork domes of steel compound domes as arch structure.Further, the invention provides a kind of environmentally friendly large-span steel compound earthwork domes.The scheme that the present invention solves the problems of the technologies described above is as follows.The top of steel compound domes does not use concrete but uses the earthwork to make, and therefore operating expenses reduces and good looking appearance.Further, the invention provides a kind of environmentally friendly large-span steel compound earthwork domes.The scheme that the present invention solves the problems of the technologies described above is as follows.
A kind of environmentally friendly large-span steel compound earthwork domes, is characterized in that, comprising: more than one pair of concrete foundation (12) in a distance on ground; Made by steel and and with the arch steel rib (14) that arcuate in shape is settled between adjacent described concrete foundation (12 and 12); Be placed in described arch steel rib (14) above and support the precast concrete plank (16) of embankment (20); Be placed in described precast concrete plank (16) above and at the permeable waterproofing course (18) of intrinsic block; On described waterproofing course (18), carry out earthing construction with the earthwork and be used as the embankment (20) that ecological path provides basic packed surface simultaneously; Be inserted in described concrete foundation (12) to go up and the concrete pillar (22) acting on the load-supporting of arch steel rib (14); And between described concrete pillar (22) and described arch steel rib (14), carry out the PS steel (24) that stretches.
Further, the PS steel (26) being anchored at and carrying out between adjacent described concrete foundation (12 and 12) stretching also is comprised; And in order to the tension force checking PS steel (26) in the upper PS steel tunnel (13) for maintaining and manage arranged of described concrete foundation (12).
Further, described precast concrete plank (16) is built at the scene.
Further, described environmentally friendly large-span steel compound earthwork domes serve as ecological bridge, ecological passage, Ecological Park, ecological noise barrier, ecological tunnel.
Further, described concrete pillar (22) is for being arranged on 1 pillar at described concrete foundation (12) center, or 2 pillars being separately positioned on described concrete foundation (12) two ends or 3 pillars arranged respectively at described concrete foundation (12) center and two ends.
Using steel compound domes as arch structure, steel, as its material, set up the suspension cable utilizing PS steel simultaneously, thus realize the construction of Longspan Bridge, and its profile is very attractive in appearance.Further, the invention provides a kind of environmentally friendly large-span steel compound earthwork domes.The scheme that the present invention solves the problems of the technologies described above is as follows.Between the concrete foundation of steel compound domes, utilize PS steel to carry out stretching and being interconnected, thus the distortion of the arch structure occurred because of the distortion of fragile ground in use procedure can be prevented.Further, the invention provides a kind of environmentally friendly large-span steel compound earthwork domes.On the back side on steel compound arch structural concrete basis, the tunnel, PS steel anchorage zone for maintaining and manage is set, thus the tension force of PS steel can be checked, carry out safeguarding and protecting simultaneously.Further, embankment can be used as earthwork bridge, ecological passage, Ecological Park, regulate the size of concrete pillar, thus regulate the intensity of steel compound domes.
the description of the drawings
Be attached to the accompanying drawing diagram specific embodiment of the invention case in present patent application, play the effect describing technological thought of the present invention in detail, therefore, not being confined to the item that accompanying drawing of the present invention records when understanding.
Fig. 1 is the oblique view of the 1 pillar form based on large-span steel compound earthwork domes environmentally friendly in the present invention.
Fig. 2 is the oblique view of the 2 pillar forms based on large-span steel compound earthwork domes environmentally friendly in the present invention.
Fig. 3 is the oblique view of the 3 pillar forms based on large-span steel compound earthwork domes environmentally friendly in the present invention.
Fig. 4 is at Fig. 1, the sectional view of the environmentally friendly large-span steel compound earthwork domes in 2,3 situations.
Fig. 5 is in Fig. 1, is provided with the oblique view of the environmentally friendly large-span steel compound earthwork domes of PS steel in concrete foundation.
Fig. 6 is in Fig. 2, is provided with the oblique view of the environmentally friendly large-span steel compound earthwork domes of PS steel in concrete foundation.
Fig. 7 is in Fig. 3, is provided with the oblique view of the environmentally friendly large-span steel compound earthwork domes of PS steel in concrete foundation.
Fig. 8 is at Fig. 5, the sectional view of the environmentally friendly large-span steel compound earthwork domes in 6,7 situations.
Fig. 9 is that embankment is formed at the top being shown in steel domes, and the oblique view of road construction is carried out on surface thereon.
Figure 10 is the cross-sectional drawing of Fig. 9.
Figure 11 is the sectional view of environmentally friendly large-span steel compound earthwork domes in 3 spans.
Description of reference numerals:
12: concrete foundation
14: arch steel rib
16: concrete slab
18: waterproofing course
20: embankment
22: concrete pillar
24,26:PS steel
concrete embodiment
Next, with reference to accompanying drawing, the present invention will be described in detail, but shown case study on implementation is just in order to understand the present invention more accurately, and therefore the present invention is not limited to this.
For the formation of bridge construction, arch structure has the characteristic coordinated with surrounding enviroment substantially.
Therefore, in the present invention, embankment is formed arched girder bridge form, utilizes the earthwork to carry out earthing construction without concrete on the top of domes, using above it as road structure, therefore, it is possible to it is cheap to form operating expenses, the earthwork domes of good looking appearance.Further, in the case, if utilize steel to make domes, the construction of Longspan Bridge can be realized, if hyperplasia utilizes the suspension cable of PS steel on described domes, the span of long-span beams can be made to become larger, and earthing amount can be increased.
Namely, the present invention forms the concrete foundation can carrying out engaging to arch steel rib fixing steel compound domes, formed for engaging fixing PS cable wire in basis in the heart, between each concrete foundation, after arch steel rib is engaged, on arch steel rib, settle precast concrete plank and synthesize joint, adhere to Lock gate on concrete slab after, fish tail and waterproof layer is set in the above, after formation steel compound domes, on the concrete pillar of base center, steel compound domes are connected with PS steel, after PS steel connects, carry out earthing construction on the concrete top of steel compound arch and form the earthwork, pack on the earthwork, form road.
In the case, concrete pillar utilizes PS steel stretching arch steel rib, thus increase the intensity of arch steel rib, can long-span beams be formed, aesthetically also more last layer.
Further, the present invention according to the height of concrete pillar, can regulate the intensity of arch steel rib.In the situations such as fragile ground, between the concrete foundation of steel compound domes, utilize PS steel to carry out stretching and connecting, thus the distortion of the steel compound domes occurred along with the distortion of ground in use procedure can be prevented.The back side, steel compound arch structural concrete basis is configured for the tunnel, PS steel anchorage zone maintaining and manage, thus the situations such as the tension force of PS steel can be detected, and can maintenance and management be carried out.
Such a structure is environmentally friendly structure and steel compound domes can be made to form long-span beams.The precast concrete plank carrying out synthesizing and engaging on described arch steel rib is replaced by the concrete of building at the scene, described environmentally friendly large-span steel compound earthwork domes are except as except bridge construction, being used as the multifunction structure such as ecological path or Ecological Park.
In the present invention, be arranged on the concrete pillar that described PS steel carries out oblique pull 2 pillars at described concrete foundation two ends or be arranged on 1 pillar at described concrete foundation center, or in 3 pillars that described concrete foundation center and two ends are arranged respectively.According to steel compound domes and earth volume, this three kinds of pillars can be selected neatly.
Next, be described in detail with reference to the case study on implementation that accompanying drawing of the present invention is pointed out, but the case provided is just in order to understand the present invention better, and not limit by it.
As shown in Figures 1 to 4, environmentally friendly large-span steel compound earthwork domes are provided with more than one pair of concrete foundation (12) in a distance on its ground.Concrete foundation (12) supports (10) steel compound domes.Concrete foundation (12) is carried out at the scene building carrying out constructing and also can be carried out being produced on scene in factory and construct.When arranging more than 3 concrete foundation (12), the basis of settling between the outermost concrete foundation in both sides (12) can be described as central authorities basis.Concrete foundation (12) at an upper portion thereof, in order to make arch steel rib (14) engage, on its side or formation inclined-plane, both sides.Therefore.Central authorities basis has symmetrical both sides, inclined-plane outermost concrete foundation (12) and have inclined-plane on side.
Arch steel rib (14) is provided with between adjacent described concrete foundation (12 and 12), the precast concrete plank (16) arranged on arch steel rib (14), the waterproofing course (18) arranged on precast concrete plank (16).
Arch steel rib (14), arch H-shaped steel or I shape steel are bonded with each other by the crossing members do not shown on accompanying drawing, thus form arched rib structure.Precast concrete plank (16) be made into rectangle and be placed in arch steel rib (14) carry out above synthesis joint.After arrangement splash guard, in the above fish tail and waterproof layer is installed, thus forms waterproofing course (18).Splash guard is self bonding splash guard, and fish tail and waterproof layer is liquid level type waterproof film.
As shown in FIG. 9 and 10, on waterproofing course (18), utilize the earthwork to carry out earthing construction, form embankment (20).The very smooth of embankment (20) is made above during construction.Pack on embankment (20), thus form road.
On the one hand, the concrete utilizing mould to carry out at the scene building replaces precast concrete plank (16) to construct.
Central authorities basis in concrete foundation (12) is inserted and settles concrete pillar (22).Concrete pillar (22) is considered and is bent left, and form the widest section at bottommost, more toward top, the section of formation is less.
The PS steel (24) that stretches between concrete pillar (22) and arch steel rib (14) is arranged.Therefore, add the intensity of arch steel rib (14), form Longspan Bridge, also become more attractive in appearance.Further, the intensity of arch steel rib (14) is regulated according to the height of concrete pillar (22).
On the one hand, as shown in Fig. 5 to Fig. 8, under the foundation conditions such as fragile ground, be connected to each other by the stretching of PS steel (26) between adjacent concrete foundation (12 and 12).At this moment, in the formation anchorage zone, both sides on central authorities basis, ground is in addition in formation anchorage zone, side.As mentioned above, in concrete foundation (12) upper connection PS steel (26), and settle steel compound domes (10), the PS steel tunnel (13) for maintaining and manage is set at the back side of concrete foundation (12).
As mentioned above, the concrete foundation (12) of steel compound domes (10) is connected by the stretching of PS steel (26) each other, therefore, the situation that the concrete foundation (12) in use produced along with the distortion of ground moves each other or is out of shape can be suppressed, thus prevent the distortion of steel compound domes (10).Further, by the PS steel tunnel (13) for maintaining and manage, the tension force of PS steel (26) is checked at any time.
For environmentally friendly large-span steel compound earthwork domes as above, as shown in Figures 1 and 5, concrete pillar (22) is made up of 1 pillar being arranged on described concrete foundation (12) center, or as shown in Fig. 3 and Fig. 7, be made up of 3 pillars arranged respectively at described concrete foundation (12) center and two ends.
Further, as shown in Figures 2 and 6, concrete pillar (22) is made up of 2 pillars at the two ends being separately positioned on concrete foundation (12).
Large-span steel compound earthwork domes composing environment friendly structure as above, is applicable in the engineerings such as ecological bridge, ecological path, Ecological Park, ecological noise barrier, excavation type ecological tunnel.
So far, with reference to case study on implementation to invention has been detailed description, as long as on this field, there is the people of certain rudimentary knowledge, under the prerequisite not departing from technological thought of the present invention, all can refer to case study on implementation and carry out various change and correction, then create the invention made new advances.Therefore, technological thought scope of the present invention not limit by such case study on implementation, just limited by the claims added below.
In a word; it is exactly more than each technical essential of the present invention; although be below described the preferred embodiments of the present invention by reference to the accompanying drawings; but the invention is not restricted to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic instead of determinate; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite without prejudice to present inventive concept and claim; multiple similar enlightenment and accommodation can be drawn; and make corresponding simple change and amendment, be similar to such conversion and all fall within protection scope of the present invention.
Claims (5)
1. an environmentally friendly large-span steel compound earthwork domes, is characterized in that, comprising:
More than one pair of concrete foundation (12) in a distance on ground;
Made by steel and and with the arch steel rib (14) that arcuate in shape is settled between adjacent described concrete foundation (12 and 12);
Be placed in described arch steel rib (14) above and support the precast concrete plank (16) of embankment (20);
Be placed in described precast concrete plank (16) above and at the permeable waterproofing course (18) of intrinsic block;
On described waterproofing course (18), carry out earthing construction with the earthwork and be used as the embankment (20) that ecological path provides basic packed surface simultaneously;
Be inserted in described concrete foundation (12) to go up and the concrete pillar (22) acting on the load-supporting of arch steel rib (14);
And between described concrete pillar (22) and described arch steel rib (14), carry out the PS steel (24) that stretches.
2. large-span steel compound earthwork domes according to claim 1, is characterized in that, also comprise the PS steel (26) being anchored at and carrying out between adjacent described concrete foundation (12 and 12) stretching;
And in order to the tension force checking PS steel (26) in the upper PS steel tunnel (13) for maintaining and manage arranged of described concrete foundation (12).
3. large-span steel compound earthwork domes according to claim 1, is characterized in that, built at the scene by described precast concrete plank (16).
4. large-span steel compound earthwork domes according to claim 1, is characterized in that, described environmentally friendly large-span steel compound earthwork domes serve as ecological bridge, ecological passage, Ecological Park, ecological noise barrier, ecological tunnel.
5. large-span steel compound earthwork domes according to claim 1, it is characterized in that, described concrete pillar (22) is for being arranged on 1 pillar at described concrete foundation (12) center, or 2 pillars being separately positioned on described concrete foundation (12) two ends or 3 pillars arranged respectively at described concrete foundation (12) center and two ends.
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| CN201510173328.8A CN105332337A (en) | 2015-04-14 | 2015-04-14 | Environment-friendly large-span steel-clad earthwork arch structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105971005A (en) * | 2016-05-30 | 2016-09-28 | 中国建筑科学研究院 | Large-span two-arch and two-cable subway station structure with open cut method |
| CN106049527A (en) * | 2016-05-30 | 2016-10-26 | 中国建筑科学研究院 | Open-cut method can repair three-arch three-cable subway station structure |
| CN106049661A (en) * | 2016-05-30 | 2016-10-26 | 建研地基基础工程有限责任公司 | Non-column large-span repairable prestressed cable-arch combined structure of open-cut subway station |
| CN106758752A (en) * | 2016-12-21 | 2017-05-31 | 北京建筑大学 | Leaning tower oblique pull abnormity arch bridge and its construction method |
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2015
- 2015-04-14 CN CN201510173328.8A patent/CN105332337A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971005A (en) * | 2016-05-30 | 2016-09-28 | 中国建筑科学研究院 | Large-span two-arch and two-cable subway station structure with open cut method |
| CN106049527A (en) * | 2016-05-30 | 2016-10-26 | 中国建筑科学研究院 | Open-cut method can repair three-arch three-cable subway station structure |
| CN106049661A (en) * | 2016-05-30 | 2016-10-26 | 建研地基基础工程有限责任公司 | Non-column large-span repairable prestressed cable-arch combined structure of open-cut subway station |
| CN106049527B (en) * | 2016-05-30 | 2018-10-12 | 中国建筑科学研究院 | Open cut method can restore three cable subway station structures of three arches |
| CN105971005B (en) * | 2016-05-30 | 2018-11-06 | 中国建筑科学研究院 | Open cut method large-span two-arch two-cable subway station structure |
| CN106049661B (en) * | 2016-05-30 | 2019-04-09 | 建研地基基础工程有限责任公司 | Open cut of subway station can repair prestressed cable-arch co-ordinative construction without column large span |
| CN106758752A (en) * | 2016-12-21 | 2017-05-31 | 北京建筑大学 | Leaning tower oblique pull abnormity arch bridge and its construction method |
| CN106758752B (en) * | 2016-12-21 | 2019-06-21 | 北京建筑大学 | Inclined tower cable-stayed special-shaped arch bridge and its construction method |
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