CN203947414U - A kind of steel bridge deck deck installation structure - Google Patents
A kind of steel bridge deck deck installation structure Download PDFInfo
- Publication number
- CN203947414U CN203947414U CN201420175915.1U CN201420175915U CN203947414U CN 203947414 U CN203947414 U CN 203947414U CN 201420175915 U CN201420175915 U CN 201420175915U CN 203947414 U CN203947414 U CN 203947414U
- Authority
- CN
- China
- Prior art keywords
- steel bridge
- deck
- bridge deck
- installation structure
- anticorrosive coat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000004078 waterproofing Methods 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 10
- 229920002635 polyurethane Polymers 0.000 claims abstract description 10
- 239000004593 Epoxy Substances 0.000 claims abstract description 9
- 239000003245 coal Substances 0.000 claims abstract description 9
- 239000012634 fragment Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
The utility model belongs to railway steel bridge technical field; a kind of steel bridge deck deck installation structure is disclosed; comprise: steel bridge deck and be set in parallel in two gear Zha Qiang on steel bridge deck; on steel bridge deck between two gear tiny fragments of stone, coal, etc. walls, be also provided with from top to bottom and distribute successively: affixing steel plate, anticorrosive coat, waterproofing course and topping; described anticorrosive coat is epoxy zinc-rich paint anticorrosive coat; described waterproofing course is polyurethane water-proof coating, and described topping is polypropylene fiber net C40 pea gravel concreten topping.The utility model is by adopting the structure of affixing steel plate+anticorrosive coat+waterproofing course+concrete cover, and bridge second phase dead load is little, favorable anti-corrosion effect, and bridge durability is good; Construction technology is easy, and construction cost is low, is convenient to promote the use of.
Description
Technical field
The utility model relates to railway steel bridge technical field, particularly a kind of steel bridge deck deck installation structure.
Background technology
Corrosion protective covering is the important component part of railway steel bridge, and the quality of topping quality directly has influence on the useful life longevity of steel bridge construction.Topping in use bears Fatigue Load for a long time, tends to occur the damage phenomenon in various degree such as crack, fragmentation.Once topping is destroyed, just can causes waterproofing course destroyed, and then directly have influence on the useful life longevity of steel bridge; Therefore the claimed layer of railroad bridge can be not broken under chronic fatigue load action, do not collapse, can effectively protect steel bridge construction.Conventional design scheme has:
(1) the thick concrete railway ballast of 15cm frid+waterproofing course+topping: concrete railway ballast groove is applied commonplace in the protection of railroad bridge bridge floor; but concrete tension ability is poor; under the effect of load, concrete shrinkage, temperature gradient; the tensile stress that concrete railway ballast frid bears is larger; even if configuration reinforcement in concrete, still can not guarantee that railway ballast groove can not ftracture.Once railway ballast trough floor concrete cracking, may cause the waterproofing course between concrete and steel plate destroyed, and then affect the durability of steel work.Because railway ballast trough floor belongs to concealed structure, on it, to lay after railway ballast, the cracking of railway ballast trough floor is difficult to be found in daily inspection, even if find, under driving condition, railway ballast groove and waterproofing course being keeped in repair is also suitable difficulty.And adopt the thick railway ballast frid of 15cm, and dead load increase must strengthen the internal force of bridge construction, and bridge cost is higher.
(2) adopt bituminous epoxy flexible waterproof layer: this flexible protective system is had relatively high expectations to construction, to having relatively high expectations of the grating of coarse aggregate, cleannes etc., and require to be equipped with special agitator, and the material resting period after stirring is shorter, the engineering time is restricted; Operation requirements is higher, and cost is higher.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: while adopting the structure of concrete railway ballast frid+waterproofing course+topping for solving existing steel bridge deck, the resistance to tension of concrete railway ballast frid is poor, easily cracking; And the concrete railway ballast frid in this structure belongs to concealed structure, after cracking, be difficult for being found, in Vehicle Driving Cycle process, repair operation is more difficult; If use thicker concrete railway ballast frid, can cause again bridge construction internal stress to increase, bridge cost is higher.Adopt bituminous epoxy as the bridge construction of flexible waterproof layer, its construction requirement is higher, and construction cost is also higher, the problem that should not promote the use of.
(2) technical scheme
In order to solve the problems of the technologies described above; the utility model provides a kind of steel bridge deck deck installation structure; comprise: steel bridge deck and be set in parallel in two gear Zha Qiang on steel bridge deck; on steel bridge deck between two gear tiny fragments of stone, coal, etc. walls, be also provided with from top to bottom and distribute successively: affixing steel plate, anticorrosive coat, waterproofing course and topping; described anticorrosive coat is epoxy zinc-rich paint anticorrosive coat; described waterproofing course is polyurethane water-proof coating, and described topping is polypropylene fiber net C40 pea gravel concreten topping.
Wherein, described affixing steel plate thickness is 3-4cm.
Wherein, on described affixing steel plate, be reserved with preformed hole, in preformed hole, be provided with screw thread.
Wherein, the spacing of described preformed hole is 40cm.
Wherein, described epoxy zinc-rich paint anticorrosive coat comprises two-layer, and every layer thickness is 40-50 μ m.
Wherein, the thickness of described polyurethane water-proof coating is not less than 2mm.
Wherein, the thickness of described polypropylene fiber net C40 pea gravel concreten topping is 6cm.
(3) beneficial effect
Technique scheme tool has the following advantages: a kind of steel bridge deck deck installation structure of the utility model, and by adopting the structure of affixing steel plate+anticorrosive coat+waterproofing course+concrete cover, bridge secondary dead load is little, favorable anti-corrosion effect, bridge durability is good; Construction technology is easy, and construction cost is low, is convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the part section structural representation of a kind of steel bridge deck deck installation structure of the utility model;
Fig. 2 is the whole cross-sectional view of a kind of steel bridge deck deck installation structure of the utility model.
Wherein, 1, gear Zha Qiang; 2, topping; 3, waterproofing course; 4, anticorrosive coat; 5, affixing steel plate; 6, steel bridge deck.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 is the part section structural representation of a kind of steel bridge deck deck installation structure of the utility model; Fig. 2 is the whole cross-sectional view of a kind of steel bridge deck deck installation structure of the utility model; wherein; this a kind of steel bridge deck deck installation structure comprises horizontally disposed steel bridge deck 6; the parallel two gear tiny fragments of stone, coal, etc. walls 1 that are provided with on steel bridge deck 6, are followed successively by affixing steel plate 5, anticorrosive coat 4, waterproofing course 3 and topping 2 on the steel bridge deck 6 between gear tiny fragments of stone, coal, etc. wall 1 from top to bottom.The thickness of affixing steel plate 5 is preferably 3-4cm, and affixing steel plate 5 is provided with the reserved fill orifice that spacing is 40cm, facilitates construction in later period; Anticorrosive coat 4 is epoxy zinc-rich paint anticorrosive coat 4, comprises two-layerly, and every layer thickness is 40-50 μ m; Waterproofing course 3 is polyurethane water-proof coating, and its thickness is not less than 2mm, and the brushing amount of every square metre is no less than 2.4kg; Topping 2 is polypropylene fiber net C40 pea gravel concreten topping 2, and its thickness, with reference to design standard, is generally 6cm.
The paving method of steel bridge deck deck installation structure is as follows:
S1: arrange two gear tiny fragments of stone, coal, etc. walls 1 on steel bridge deck 6;
S2: pretreatment is carried out in steel bridge deck 6 surfaces between two gear tiny fragments of stone, coal, etc. walls 1, polish on affecting the weld reinforcement of affixing steel plate 5 sticking effects, make weld seam even suitable;
S3: steel bridge deck 6 is carried out to derusting by sandblasting processing, require steel bridge deck 6 surface cleannesses after sandblast to reach Sa2.5 level, surface roughness reaches 20 μ m; Before sandblast, should take effective safeguard procedures, work plane is covered to protection, guarantee that derusting by sandblasting work progress can not pollute scene.
S4: after acceptance(check), steel bridge deck 6 surfaces after S3 is processed are protected immediately, prevent again by corrosion or pollution;
S5: on affixing steel plate 5, preformed hole is set; The longitudinal size of affixing steel plate 5, can according to the interval of bridge lower crossbeam from and the Sizes that dispatches from the factory of steel divide;
S6: the sticking veneer of affixing steel plate 5 is carried out to surfacing, on steel bridge deck 6, paste polyurethane support belt, polyurethane support belt is spaced apart, interval is used for pouring into bonding agent, affixing steel plate 5 is placed on the polyurethane support belt of steel bridge deck 6, completes the installation positioning action to affixing steel plate 5;
S7: injection/air exhaust nozzle is fixed in the preformed hole of S5 setting by screw thread, the adhesive linkage between affixing steel plate 5 and steel bridge deck 6 is carried out to priming by vacuum; Injection/air exhaust nozzle interface adopts quick coupling structure, to meet the requirement of rapid construction; Perfusion operation should sequentially be carried out, and in filling process, should guarantee that necessary perfusion holds pressure time and injection pressure;
S8: poured into and rear finished product has been carried out to maintenance, curing time 48 hours, makes the bonding agent of later stage perfusion fully curing; Maintenance processes should be avoided too much judder and disturbance, to guarantee the strong bond between affixing steel plate 5 and steel bridge deck 6;
S9: injection/air exhaust nozzle is carried out to cold cutting process, the bonding agent exposing and injection/air exhaust nozzle are removed, and repair process is filled and led up in its surface;
S10: the non-sticking veneer to affixing steel plate 5 carries out surfacing, then sprays epoxy zinc-rich paint, spraying twice, each coating thickness is 40-50 μ m, forms anticorrosive coat 4;
S11: brushing polyurethane water-proof coating on anticorrosive coat 4, coating layer thickness is not less than 2mm, and the brushing amount of every square metre must not be less than 2.4kg, formation waterproofing course 3;
S12: lay polypropylene fiber net C40 pea gravel concreten topping on affixing steel plate 5, laying depth 6cm.
As can be seen from the above embodiments; the utility model adopts the form of construction work that affixing steel plate 5+ anticorrosive coat 4+ waterproofing course 3+ concrete cover 2 is set on steel bridge deck 6; guarantee that affixing steel plate 5 and steel bridge deck 6 can not be corroded; make railway have the durability of tiny fragments of stone, coal, etc. bridge floor steel bridge deck 6 effectively to be guaranteed, also make railway have a kind of selection of how having mated formation of tiny fragments of stone, coal, etc. bridge floor steel bridge deck 6 protective systems.
Steel bridge deck deck paving simple process, is guaranteeing, under the prerequisite of bridge quality, also to have improved the durability of bridge.Construction technology easily operates, and there is no special technological requirement, also without being equipped with special-purpose auxiliary equipment; Speed of application is fast, and construction cost is lower, is convenient to extensive popularization.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (7)
1. a steel bridge deck deck installation structure, it is characterized in that, comprise: steel bridge deck and be set in parallel in two gear Zha Qiang on steel bridge deck, is also provided with on the steel bridge deck between two gear tiny fragments of stone, coal, etc. walls and distributes successively from top to bottom: affixing steel plate, anticorrosive coat, waterproofing course and topping; Described anticorrosive coat is epoxy zinc-rich paint anticorrosive coat, and described waterproofing course is polyurethane water-proof coating, and described topping is polypropylene fiber net C40 pea gravel concreten topping.
2. a kind of steel bridge deck deck installation structure as claimed in claim 1, is characterized in that, described affixing steel plate thickness is 3-4cm.
3. a kind of steel bridge deck deck installation structure as claimed in claim 2, is characterized in that, on described affixing steel plate, is reserved with preformed hole.
4. a kind of steel bridge deck deck installation structure as claimed in claim 3, is characterized in that, the spacing of described preformed hole is 40cm.
5. a kind of steel bridge deck deck installation structure as claimed in claim 1, is characterized in that, described epoxy zinc-rich paint anticorrosive coat comprises two-layer, and every layer thickness is 40-50 μ m.
6. a kind of steel bridge deck deck installation structure as claimed in claim 1, is characterized in that, the thickness of described polyurethane water-proof coating is not less than 2mm.
7. a kind of steel bridge deck deck installation structure as claimed in claim 1, is characterized in that, the thickness of described polypropylene fiber net C40 pea gravel concreten topping is 6cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175915.1U CN203947414U (en) | 2014-04-11 | 2014-04-11 | A kind of steel bridge deck deck installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175915.1U CN203947414U (en) | 2014-04-11 | 2014-04-11 | A kind of steel bridge deck deck installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203947414U true CN203947414U (en) | 2014-11-19 |
Family
ID=51889461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175915.1U Expired - Lifetime CN203947414U (en) | 2014-04-11 | 2014-04-11 | A kind of steel bridge deck deck installation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203947414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863048A (en) * | 2015-05-28 | 2015-08-26 | 江苏中路工程技术研究院有限公司 | Deck laying composite waterproof structure and construction process of deck laying composite waterproof structure |
| CN104975563A (en) * | 2014-04-11 | 2015-10-14 | 中铁工程设计咨询集团有限公司 | Bridge deck pavement structure and method for steel bridge deck slab |
| CN105780647A (en) * | 2014-12-16 | 2016-07-20 | 湖北华舟重工应急装备股份有限公司 | Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer |
-
2014
- 2014-04-11 CN CN201420175915.1U patent/CN203947414U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975563A (en) * | 2014-04-11 | 2015-10-14 | 中铁工程设计咨询集团有限公司 | Bridge deck pavement structure and method for steel bridge deck slab |
| CN105780647A (en) * | 2014-12-16 | 2016-07-20 | 湖北华舟重工应急装备股份有限公司 | Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer |
| CN104863048A (en) * | 2015-05-28 | 2015-08-26 | 江苏中路工程技术研究院有限公司 | Deck laying composite waterproof structure and construction process of deck laying composite waterproof structure |
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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: 20141119 |