CN204418011U - The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum - Google Patents
The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum Download PDFInfo
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- CN204418011U CN204418011U CN201520028012.5U CN201520028012U CN204418011U CN 204418011 U CN204418011 U CN 204418011U CN 201520028012 U CN201520028012 U CN 201520028012U CN 204418011 U CN204418011 U CN 204418011U
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- 239000010426 asphalt Substances 0.000 title claims abstract description 57
- 238000004078 waterproofing Methods 0.000 claims abstract description 63
- 239000010410 layer Substances 0.000 claims abstract description 52
- 239000004567 concrete Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000004593 Epoxy Substances 0.000 claims abstract description 25
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 239000003973 paint Substances 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000008595 infiltration Effects 0.000 abstract description 8
- 238000001764 infiltration Methods 0.000 abstract description 8
- 239000011384 asphalt concrete Substances 0.000 abstract description 5
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Landscapes
- Road Paving Structures (AREA)
Abstract
A kind of bridge asphalt pavement structure of the triple water-proof system of rubber asphalt double sum be applied in bridge construction technical field, comprise sealing bottom coating layer, solvent-type waterproofing paint layer, rubber asphalt matizhi layer under cement concrete ground floor, epoxy, cement concrete ground floor arranges sealing bottom coating layer under epoxy, under epoxy, sealing bottom coating layer arranges solvent-type waterproofing paint layer, solvent-type waterproofing paint layer arranges rubber asphalt matizhi layer.This utility model adopts and stops water to infiltrate concrete structure, plays cementation to concrete bridge deck and asphalt concrete pavement layer, and protection bridge structure exempt from infiltration and corrode, and improve the endurance quality of bridge, extend the application life of bridge.
Description
Technical field
The utility model relates to the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum in bridge construction technical field.
Background technology
At present in railway, highway and expressway construction, bridge asphalt pavement structure is generally made up of waterproofing course, cutting optimal and surface course, and waterproofing course and cutting optimal constitute water-proof system jointly.Residing for bridge, the weather of environment is different, and water, to the erosion of bridge construction and also different to the destruction of mating formation, requires different to the water resistance of deck paving.For this reason, Water-proof Hierarchy for Deck Pavement should adapt with bridge design safe class and climatic environment condition, and bridge security higher grade, and is having freezing area, also higher to the requirement of Waterproof Layer Spreading of Bridge Surface.For preventing rainwater infiltration immersed structure thing, not only will select good waterproofing course, and the dense water of cutting optimal and thermostability are crucial.Therefore, the concept being jointly made up of water-proof system waterproofing course and cutting optimal is proposed.Country, about in the deck paving of bituminous pavement design for highway specification and other engineering, clearly proposes grand bridge, important bridge will at concrete bridge deck plate top surface design Sub-sealing Course, the water-proof system of Erecting and improving.Waterproofing course mainly comprises: the Special waterproof materials such as film class, coiled material class; Sub-sealing Course generally adopts the epoxy-like materials that good penetrability, adhesion strength are high.The contour density material of bitumastic, asphaltmastic is generally the first-selection as cutting optimal.Deck paving water resistance is not only relevant with the performance of waterproofing course itself, also with globality, the crack resistance of waterproofing materials, the caking property of waterproofing course and concrete slab, and the variability of waterproofing course in work progress, overlapping the slot position process conformability closely bound up.
According to the climatic characteristic of northern area, follow above-mentioned highway bridge waterproofing design theory, the suggestion of bridge deck water-proof structural system adopts following structure: one is bridge floor ball blast; Two is Sub-sealing Courses, have employed the asphaltic base modified epoxy of high osmosis, high bond strength; Three is waterproofing courses, adopts solvent type bridge floor water-proof binding coating; Four is cutting optimal, and employing density is good, non-deformability strong, the rubber asphalt matizhi of easy construction.Owing to belonging to high polymer modified asphalt material together, between each layer, compatibility is good, and water-proof system globality is strong.Deck installation structure, is made up of waterproofing course and cutting optimal, surface course.Waterproofing course and cutting optimal form Water-proof Hierarchy for Deck Pavement jointly.The bridge of grand bridge, important bridge and frost region requires the lower sealing bottom coating layer of design, the water-proof system of Erecting and improving.The main cause of concrete bridge deck pavement damage layer is that inter-layer shearing strength (adhesion stress) is not enough or because of caused by water infiltrates in deck.Exempt from infiltration to protect bridge structure to corrode, improve the endurance quality of bridge, extend the application life of bridge, bridge surface layer is mated formation and must be arranged waterproofing course.The effect of waterproofing course: one is stop water to infiltrate concrete structure, and two is play cementation to concrete bridge deck and asphalt concrete pavement layer.Therefore, the bridge asphalt pavement structure developing the triple water-proof system of a kind of rubber asphalt double sum is new problem anxious to be resolved always.
Summary of the invention
The purpose of this utility model is to provide the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum; this utility model adopts and stops water to infiltrate concrete structure; cementation is risen to concrete bridge deck and asphalt concrete pavement layer; protection bridge structure exempt from infiltration and corrode; improve the endurance quality of bridge, extend the application life of bridge.
The purpose of this utility model is achieved in that the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum, comprise sealing bottom coating layer, solvent-type waterproofing paint layer, rubber asphalt matizhi layer under cement concrete ground floor, epoxy, cement concrete ground floor arranges sealing bottom coating layer under epoxy, under epoxy, sealing bottom coating layer arranges solvent-type waterproofing paint layer, solvent-type waterproofing paint layer arranges rubber asphalt matizhi layer.
Main points of the present utility model are its structure.Its operating principle is, deck paving water resistance is not only relevant with the performance of waterproofing course itself, also with globality, the crack resistance of waterproofing materials, the caking property of waterproofing course and concrete slab, and the variability of waterproofing course in work progress, the process of overlapping the slot position conformability closely bound up.According to the climatic characteristic of northern area, follow above-mentioned highway bridge waterproofing design theory, the suggestion of bridge deck water-proof structural system adopts following structure: according to the climatic characteristic of northern area, follow above-mentioned highway bridge waterproofing design theory, the suggestion of bridge deck water-proof structural system adopts following structure: one is bridge floor ball blast; Two is Sub-sealing Courses, have employed the asphaltic base modified epoxy of high osmosis, high bond strength; Three is waterproofing courses, adopts solvent type bridge floor water-proof binding coating; Four is cutting optimal, and employing density is good, non-deformability strong, the rubber asphalt matizhi of easy construction.Owing to belonging to high polymer modified asphalt material together, between each layer, compatibility is good, and water-proof system globality is strong.Deck installation structure, is made up of waterproofing course and cutting optimal, surface course.Waterproofing course and cutting optimal form Water-proof Hierarchy for Deck Pavement jointly.The bridge of grand bridge, important bridge and frost region requires the lower sealing bottom coating layer of design, the water-proof system of Erecting and improving.The main cause of concrete bridge deck pavement damage layer is that inter-layer shearing strength (adhesion stress) is not enough or because of caused by water infiltrates in deck.Exempt from infiltration to protect bridge structure to corrode, improve the endurance quality of bridge, extend the application life of bridge, bridge surface layer is mated formation and must be arranged waterproofing course.The effect of waterproofing course: one is stop water to infiltrate concrete structure, and two is play cementation to concrete bridge deck and asphalt concrete pavement layer.
The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum compared with prior art; having to adopt stops water to infiltrate concrete structure; cementation is risen to concrete bridge deck and asphalt concrete pavement layer; protection bridge structure exempt from infiltration and corrode; improve the endurance quality of bridge; extend the advantages such as the application life of bridge, will be widely used in bridge construction technical field.
Below in conjunction with accompanying drawing and enforcement, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the stereogram of the utility model embodiment one.
Fig. 4 is the structural representation of the utility model embodiment two.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the stereogram of the utility model embodiment two.
Fig. 7 is the structural representation of the utility model embodiment three.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the stereogram of the utility model embodiment three.
Detailed description of the invention
Embodiment one
With reference to accompanying drawing 1, 2, 3, the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum, comprise cement concrete ground floor 1, sealing bottom coating layer (Sub-sealing Course) 2 under epoxy, solvent-type waterproofing paint layer (waterproofing course) 3, rubber asphalt matizhi layer (cutting optimal) 4, cement concrete ground floor 1 arranges sealing bottom coating layer (Sub-sealing Course) 2 under epoxy, under epoxy, sealing bottom coating layer (Sub-sealing Course) 2 arranges solvent-type waterproofing paint layer (waterproofing course) 3, solvent-type waterproofing paint layer (waterproofing course) 3 arranges 5 ㎜ thick rubber asphalt matizhi layer (cutting optimal) 4.
First floor, cement concrete ground floor 1: the construction technology of concrete slab is installation form, install dowel bar, mixing concrete and transport, concrete speading and vibrate, surfacing, joint treatment, concrete curing and wall stitch.
The second layer, sealing bottom coating layer (Sub-sealing Course) 2 under epoxy: the asphaltic base modified epoxy adopting high osmosis, high bond strength, is mainly used in the application of concrete bridge deck bottom, closes the infiltration of bridge floor steam and soda acid, strengthens coating and bridge floor bonding force.
Third layer, solvent-type waterproofing paint layer (waterproofing course) 3: solvent-type waterproofing paint is high-quality asphalt and multiple macromolecule resin and the auxiliary agent one pack system water-proof bond material through special process Reactive Synthesis.
4th layer, 5mm thick rubber asphalt matizhi layer (cutting optimal) 4: rubber asphalt matizhi makes base-material with rubber, pitch, add appropriate solvent, mineral filler is refined and formed, it has tightness, water proofing property, freeze-proof, anti-corrosive properties, not easily season cracking, can coldly construct under normal temperature, stretch-proof after solidification, adjustment rubber components can be needed in conjunction with bridge floor waterproofing, add high polymer General Promotion stretch-proof performance, reach the excellent extensibility such as bridge floor anti-vibration, meet engineering index request.
Embodiment two
With reference to accompanying drawing 4,5,6, the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum, comprise sealing bottom coating layer (Sub-sealing Course) 2, rubber asphalt matizhi layer (cutting optimal) 4 under cement concrete ground floor 1, epoxy, cement concrete ground floor 1 arranges sealing bottom coating layer (Sub-sealing Course) 2 under epoxy, under epoxy, sealing bottom coating layer (Sub-sealing Course) 2 arranges 5 ㎜ thick rubber asphalt matizhi layer (cutting optimal) 4.
First floor, cement concrete ground floor 1: the construction technology of concrete slab is installation form, install dowel bar, mixing concrete and transport, concrete speading and vibrate, surfacing, joint treatment, concrete curing and wall stitch.
The second layer, sealing bottom coating layer (Sub-sealing Course) 2 under epoxy: the asphaltic base modified epoxy adopting high osmosis, high bond strength, is mainly used in the application of concrete bridge deck bottom, closes the infiltration of bridge floor steam and soda acid, strengthens coating and bridge floor bonding force.
Third layer, 5mm thick rubber asphalt matizhi layer (cutting optimal) 4: rubber asphalt matizhi layer makes base-material with rubber, pitch, add appropriate solvent, mineral filler is refined and formed, it has tightness, water proofing property, freeze-proof, anti-corrosive properties, not easily season cracking, can coldly construct under normal temperature, stretch-proof after solidification, adjustment rubber components can be needed in conjunction with bridge floor waterproofing, add high polymer General Promotion stretch-proof performance, reach the excellent extensibility such as bridge floor anti-vibration, meet engineering index request.
Embodiment three
With reference to accompanying drawing 7,8,9, the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum, comprise cement concrete ground floor 1, solvent-type waterproofing paint layer (waterproofing course) 3, rubber asphalt matizhi layer (cutting optimal) 4, cement concrete ground floor 1 arranges solvent-type waterproofing paint layer (waterproofing course) 3, solvent-type waterproofing paint layer (waterproofing course) 3 arranges 5 ㎜ thick rubber asphalt matizhi layer (cutting optimal) 4.
First floor, cement concrete ground floor 1: the construction technology of concrete slab is installation form, install dowel bar, mixing concrete and transport, concrete speading and vibrate, surfacing, joint treatment, concrete curing and wall stitch.
The second layer, solvent-type waterproofing paint layer (waterproofing course): solvent-type waterproofing paint is high-quality asphalt and multiple macromolecule resin and the auxiliary agent one pack system water-proof bond material through special process Reactive Synthesis.
Third layer, 5mm thick rubber asphalt matizhi layer (cutting optimal) 4: rubber asphalt matizhi makes base-material with rubber, pitch, add appropriate solvent, mineral filler is refined and formed, it has tightness, water proofing property, freeze-proof, anti-corrosive properties, not easily season cracking, can coldly construct under normal temperature, stretch-proof after solidification, adjustment rubber components can be needed in conjunction with bridge floor waterproofing, add high polymer General Promotion stretch-proof performance, reach the excellent extensibility such as bridge floor anti-vibration, meet engineering index request.
Continue to describe the utility model below in conjunction with embodiment:
The construction method of the bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum and quality control.
1, bridge floor ball blast
(1) bridge floor shot-blasting quality requirement
Meet the requirement of the undisguised rate of concrete base layer; Meet the requirement of surface roughness; Ensure Shot Blasting 100% coverage rate.
(2) bridge floor shot-blasting quality control measure
The control of undisguised rate: in bridge floor Shot Blasting, control shot-blasting machine gait of march, detect by an unaided eye, the method such as feel degree to be to judge ball blast effect, whether complete can remove surperficial laitance and ball blast after undisguised Be very effective dusting situation, carry out tracking observation by full-time Quality Inspector's whole process, guarantee that aggregate exposes and reach requirement.
Surface roughness: sand patch method detection is carried out at scene, to ensure the caking property with waterproofing materials.
The guarantee of coverage rate: in ball blast hacking work progress, should arrange about 3-5cm overlapping the slot in working face lap-joint, to ensure that ball blast blast face 100% covers.
2, Sub-sealing Course
The works higher to grand bridge, important bridge and waterproof requirement should set sealing at concrete bridge deck plate top surface.
(1) material GMF (II) asphaltic base modified epoxy Sub-sealing Course
Be made up of component A and B component two parts.
(2) construct
A, keypoint part process
First the keypoint parts such as negative and positive angle, shrinkage joint, deck crack, constuction joint should be carried out spray treatment after base cleaning.The particularly position of not easily brushing such as spilled water hole, should do to strengthen process, spray 1-2 times Sub-sealing Course materials.Fill if any crack fluid sealant.
For improving modified epoxy and basic unit's caking property, modified epoxy Sub-sealing Course needs high pressure painting, covers completely, makes it fully to infiltrate concrete pore, gets rid of the air in gap, prevents bubble from producing, to improve adhesion strength and shear strength.
B, modified epoxy construction sequence
This product is two-part liquid material, before construction, by component A and each one barrel of B component, in the uncovered Plastic Drum pouring a 30L size respectively into or metal bucket, stirs 1 ~ 2 minute, spraying application with electric mixer.
Spraying and brushing method:
Before large-area construction, first emphasis sprinkling is carried out to internal corner part and spilled water hole position.And then the sprinkling of large face is carried out to bridge floor, ensure the caking property of coating and bridge deck, spray from top to bottom along bridge floor is domatic.Ensure during sprinkling that coating is even, must not have white point or piling phenomenon.Check whether Sub-sealing Course has the place of holiday or piling, if any manually brushing process in time.In work progress, when generation local is uneven, repair in time.
The defining method of curing time (interval time of constructing with next procedure): general warranty Sub-sealing Course surface drying, maybe can see table:
| Bridge deck temperature (DEG C) | 5～15 | 15～25 | 25～35 | ＞35 |
| Curing time (h) | 8 | 5 | 3 | 2 |
3, scratch coat
Whether water-proof system improves and the material of waterproofing course and thickness, waterproofing course and concrete slab, and whether waterproofing course and cutting optimal of mating formation are combined into overall relevant.Bitumastic, sand asphalt, slurry seal etc. are then needed to arrange special scratch coat;
Scratch coat in paving structure is the modified emulsifying asphalt or response type modified bitumen class binding material etc. with bonds well ability.
(1) material
Adopt GMR solvent-borne type water-proof bond material.
(2) construct
Construction method is similar with Sub-sealing Course construction.
4, rubber asphalt matizhi
5mm thick rubber asphalt water chestnut fat construction of waterproof layer technique:
(1) artificial, facility
A, equipment and instrument: two, trolley (band heating function), push away and take off 4-5, spade 2-3,2 ~ 3, grey cutter, cylinder is some, hairbrush, vegetable oil
B, workman: 8 people/teams and groups
(2) construction technology and points for attention
A, first heat modification pitch entered in the equipment of Cook by measuring pump, add breeze and carry out mix.Be added to mix from breeze complete, meet construction temperature about 5 hours.Strict control mix temperature and be not less than 180 DEG C, suggestion construction temperature controls between 180-220 DEG C.Be less than 180, on-the-spot material will push away not open, conglomeration.On-the-spot arrangement 7-8 workman.Asphalt material is transported to job site from Cook equipment by one of them workman's trolley, (Cook production equipment is not more than 20 meters from the scope of operation as far as possible), and hypertelorism will affect the construction temperature of material.Before trolley, Cook discharging opening and construction tool use, adopt salad oil to smear lubrication to instrument etc., avoid compound paste tool to cause cannot constructing and discharging opening blocks.
According to field operation face situation, finish operating area in advance, trolley is by after transport of materials to scene, be divided into two teams, two people one group, in one line, material being also divided into two heaps, according to determining position, first pushing away forward, repair and omitted non-construction part last time, scraping (along route direction, avoiding intersecting blade coating) backward, in the process of scraping, evenly must exert oneself, avoid material spreader became uneven.Two other workman, workman adopts spade to strike off on-the-spot super thick position, root out and repair process is carried out at the poor position of planeness, and material inside trolley is cleaned out and coordinated the rejected region repaired and constructed afterwards by another one workman.Now construction temperature loss is very fast, and about 1-2 minute temperature has been lost to constructing.Be field control emphasis and difficult point herein.
B, Cook discharging opening and trolley place, arrange workman, after each discharging, all discharging opening must be cleaned out, otherwise, affect next discharging effect.
C, equipment: the cause such as will add breeze due to scene and job site dust is more, the consumable accessorys such as burner are very easy to damage and blocking.Filter screen need be increased to crucial contact places such as the fuel lines of Cook equipment and carry out fuel filter.
Claims (1)
1. the bridge asphalt pavement structure of the triple water-proof system of rubber asphalt double sum, comprise sealing bottom coating layer, solvent-type waterproofing paint layer, rubber asphalt matizhi layer under cement concrete ground floor, epoxy, it is characterized in that: sealing bottom coating layer under epoxy is set on cement concrete ground floor, under epoxy, sealing bottom coating layer arranges solvent-type waterproofing paint layer, solvent-type waterproofing paint layer arranges rubber asphalt matizhi layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028012.5U CN204418011U (en) | 2015-01-16 | 2015-01-16 | The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028012.5U CN204418011U (en) | 2015-01-16 | 2015-01-16 | The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum |
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| Publication Number | Publication Date |
|---|---|
| CN204418011U true CN204418011U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520028012.5U Expired - Fee Related CN204418011U (en) | 2015-01-16 | 2015-01-16 | The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum |
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| Country | Link |
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| CN (1) | CN204418011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917347A (en) * | 2015-12-24 | 2017-07-04 | 长沙科密水建筑材料科技有限公司 | A kind of bridge waterproof construction method |
| CN110983962A (en) * | 2019-12-31 | 2020-04-10 | 上海汇城建筑装饰有限公司 | Construction process of EPP water-based epoxy bottom-coating closed fiber-reinforced bridge floor waterproof layer |
-
2015
- 2015-01-16 CN CN201520028012.5U patent/CN204418011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917347A (en) * | 2015-12-24 | 2017-07-04 | 长沙科密水建筑材料科技有限公司 | A kind of bridge waterproof construction method |
| CN110983962A (en) * | 2019-12-31 | 2020-04-10 | 上海汇城建筑装饰有限公司 | Construction process of EPP water-based epoxy bottom-coating closed fiber-reinforced bridge floor waterproof layer |
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