CN106836262A - A kind of construction method of packaged type bridges substructure - Google Patents
A kind of construction method of packaged type bridges substructure Download PDFInfo
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- CN106836262A CN106836262A CN201710060932.9A CN201710060932A CN106836262A CN 106836262 A CN106836262 A CN 106836262A CN 201710060932 A CN201710060932 A CN 201710060932A CN 106836262 A CN106836262 A CN 106836262A
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- cushion cap
- packaged type
- construction method
- stirrup
- type bridges
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 241000826860 Trapezium Species 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007796 conventional method Methods 0.000 abstract description 2
- 230000009931 harmful effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
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- 238000011065 in-situ storage Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of construction method of packaged type bridges substructure, belongs to field of bridge construction, for solve conventional method there are problems that such as low construction efficiency, to nearby residents and ambient influnence greatly,.Prefabricated cushion cap uses prefabrication, on the one hand, can both reduce work on the spot amount, mitigates the labour intensity of field worker, it is ensured that the safety work of workmen, also reduces the negative effect to nearby residents harmful effect element and to surrounding traffic；On the other hand, due to being plant produced, convenient management can use do mechanization operation, and component quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid the accident or hidden danger of quality and secure context caused by the unfavorable factors such as field condition limitation.In a word, a kind of construction method of packaged type bridges substructure that the present invention is provided can reduce work on the spot amount, improve operating efficiency and quality, more conform to being free from risk of Modern Construction, high efficiency, the requirement of low cost.
Description
Technical field
The present invention relates to field of bridge construction, more particularly to a kind of construction method of packaged type bridges substructure.
Background technology
With the rapid development in city, people's trip is also more and more diversified and convenient, various uses, various forms of
Bridge also arises at the historic moment.In bridge force-bearing structural system, bridge substructure is mainly the (bag of external loads suffered by bridge
Include vertical force, horizontal force and moment of flexure) and bridge on the basis of dead load is delivered in itself, so bridge substructure bearing capacity
Size is closely bound up with each main performance index of bridge, and the quality of its construction quality, the speed of speed of application are also directly concerned
To quality, the construction speed of the even whole construction quality of whole bridge.
At present, the cushion cap in bridge substructure is generally constructed by the way of cast-in-site, that is, complete pile foundation
After construction, first on pile foundation assembling reinforcement, set up cushion cap template, then by code requirement cast-in-place concrete and mixed
Solidifying soil maintenance, last form removal.Constructed by above-mentioned traditional handicraft, a construction period generally requires 1 to 2 weeks, influence
The construction speed of whole engineering；Simultaneously as live placing of material is more (such as reinforcing bar, template), and cast-in-site workload is big etc.
Reason, there is life such as high on site requirements and field management requirement, on nearby residents and trip border influences greatly, to surrounding
The shortcomings of ambient influnence is big.
In sum, the construction method of existing traditional cast-in-situ bridge substructure can not increasingly meet modernization
The high efficiency of bridge construction, low cost, the requirement of low-risk, in order to the construction quality and construction that improve bridge substructure are imitated
Rate, reduces to surrounding resident, the influence of environment and cost when constructing, therefore researches and develops a kind of construction of packaged type bridges substructure
Method has become those skilled in the art's technical barrier in the urgent need to address.
The content of the invention
It is an object of the invention to provide a kind of construction method of packaged type bridges substructure, for solving traditional bridge
The construction method of substructure cast-in-site is high etc. in the presence of low construction efficiency, cost big to nearby residents and ambient influnence
Problem.Prefabricated cushion cap uses prefabrication, on the one hand, can both reduce work on the spot amount, mitigates the labour intensity of field worker,
The safety work of workmen is ensure that, noise, dust, light, dirt are produced to nearby residents and environment when can also reduce construction
The influence such as water element and the negative effect to surrounding traffic；On the other hand, due to being that factory's centralized production makes, it is easy to management,
Mechanized construction can be used, component quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid because of field condition limit
Quality and the accident or hidden danger of secure context that the unfavorable factors such as system are caused.Sum it up, a kind of assembling that the present invention is provided
The construction method of formula bridge substructure can reduce cast in situs workload, improve operating efficiency and bridge quality, more accord with
Close modernization being free from risk of bridge construction, high efficiency, the requirement of low cost.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of construction method of packaged type bridges substructure, cushion cap used is prefabricated cushion cap, on the prefabricated cushion cap
Several slotted eyes, the injected hole of some up/down perforations and column bindiny mechanism are set, and the slotted eye is corresponded with pile foundation, bag
Include following steps
Step one：Stirrup and cast pile foundation are installed；
Step 2：Bracing members and cast bed course are installed；
Step 3：Install and adjust the prefabricated cushion cap；
Step 4：In the prefabricated cast-in-place grouting concrete layer in cushion cap bottom；
Step 5：Expansive concrete is poured into a mould in the slotted eye；
Step 6：Column is installed.
Optionally, in above-mentioned steps one, the stirrup is arranged on the lower end of drilled pile steel pile casting, the scene in drilled pile
The pile foundation is poured into a mould, the stirrup is set in the top of the pile foundation, and the top surface of the pile foundation is higher than the top surface of the stirrup,
The stirrup inner surface setting has some shearings strong.
Optionally, in above-mentioned steps two, the pile foundation surrounding soil is excavated, two bracing members is welded on described
The both sides of stirrup, the bracing members top surface absolute altitude is concordant with the bed course top surface absolute altitude, in the range of the excavation described in cast-in-site
Bed course, the bed course is not less than the plain concrete of C20 for intensity.
Optionally, the bracing members include one piece of horizontally disposed rectangular-shaped top plate and two pieces of vertical right angle ladders be arrangeding in parallel
Welded with the outer wall of the stirrup respectively and connected in the base long of shape fagging, the short side of the rectangular-shaped top plate and the right-angled trapezium fagging
Connect, right angle waist edge and the rectangular-shaped top plate of the right-angled trapezium fagging are welded to connect, the top surface and stirrup of the rectangular-shaped top plate
Top surface flush.
Optionally, in above-mentioned steps three, rubber cushion blocks, the rubber blanket are set in the rectangular-shaped top plate of the bracing members
The center of block is corresponding up and down with the center of the rectangular-shaped top plate, and the prefabricated cushion cap is placed on the rubber cushion blocks.
Optionally, in above-mentioned steps four, starch to form the grouting toward the prefabricated cushion cap rising pouring by the injected hole
Concrete layer, the intensity of the grouting concrete layer is not less than the concrete strength of the prefabricated cushion cap.
Optionally, in above-mentioned steps five, the intensity of the expansive concrete will be at least above the prefabricated cushion cap
One grade of intensity of concrete.
Optionally, in above-mentioned steps six, the column is arranged on the prefabricated cushion cap top surface, and by the column
Bindiny mechanism is fixedly connected with the prefabricated cushion cap.
Compared with the prior art, a kind of construction method of packaged type bridges substructure that the present invention is provided, has with following
The technique effect of benefit：
Operating efficiency is substantially increased, a kind of construction method of packaged type bridges substructure that the present invention is provided is changed
Traditional cast-type builds girder construction, and job site made without a large amount of templates, a large amount of field cast-in-place quantities by backstage factory
Into scene only needs assembly, thus is substantially shorter the live duration, reduces construction site；The operation of template is set up at the scene of eliminating,
Overall economics are good.
Bridge construction cost is effectively reduced, prefabricated cushion cap is completed in backstage prefabrication, can greatly reduced and scene
The measure such as related formwork, form removal workload and its back work amount are poured, the labour intensity of field worker is alleviated, can be significantly
Associated materials are saved to take and labour cost, meanwhile, work on the spot amount is reduced, and can greatly shorten the live duration, can effectively save bridge
The time cost that beam is built.
Bridge construction quality is effectively reduced, prefabricated cushion cap is completed in backstage prefabrication, due to being factory's centralized production
Make, its each side condition will be better than scene, convenient management can use mechanized construction, and the component quality of formation is good, favorably
In the quality and dimensional accuracy that ensure component, it is to avoid the construction error and quality that the various unfavorable factors of site operation cause lack
Fall into.
When being effectively reduced bridge construction noise, dust, light, sewage etc. to the harmful effect of the life of nearby residents and
Negative effect to periphery traffic so that bearing platform construction more convenience and high-efficiency environmental protection.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the construction method of packaged type bridges substructure of one embodiment of the invention；
Fig. 2 is a kind of elevational view of packaged type bridges substructure of one embodiment of the invention
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is step one and two signals in a kind of construction method of packaged type bridges substructure of one embodiment of the invention
Figure；
Fig. 5 is step 3 schematic diagram in a kind of construction method of packaged type bridges substructure of one embodiment of the invention；
Fig. 6 is step 4 and five signals in a kind of construction method of packaged type bridges substructure of one embodiment of the invention
Figure；
Fig. 7 is step 6 schematic diagram in a kind of construction method of packaged type bridges substructure of one embodiment of the invention；
In figure：100- packaged type bridges substructure, 1- pile foundations, the prefabricated cushion caps of 2-, 3- columns, 4- stirrups, 5- bed courses, 6-
Expansive concrete, 7- bracing members, 8- rubber cushion blocks, 9- shearings are strong, 10- grouting concrete layer, 11- injected holes, 12- columns are connected
Mechanism, 13- slotted eyes, 14- rectangular-shaped top plates, the trapezoidal faggings of 15-.
Specific embodiment
A kind of packaged type bridges substructure provided the present invention below in conjunction with the drawings and specific embodiments and its construction
Method is described in further detail.According to following description and claims, advantages of the present invention and feature will become apparent from.Need
It is noted that accompanying drawing is in the form of simplifying very much and using the ratio of non-precision, only it is used to conveniently, lucidly aid in
Illustrate the purpose of the embodiment of the present invention.
Reference picture 2 and Fig. 3, a kind of packaged type bridges substructure 100 of one embodiment of the invention, including set from below to up
Pile foundation 1, prefabricated cushion cap 2 and the column 3 put, also including being set in the stirrup 4 on the top of pile foundation 1, stirrup 4 is located at described prefabricated
Cushion cap lower section, stirrup 4 is one columnar structured, and its internal diameter will be slightly larger than the external diameter of pile foundation 1, and the specific internal diameter of stirrup 4 should be by
The steel pile casting internal diameter of the pile foundation 1 that specification specifies is set；The wall thickness of stirrup 4 is typically no less than the wall thickness of the steel pile casting of pile foundation 1, stirrup 4
Wall thickness be generally 20mm, also dependent on design need depending on；The height of stirrup 4 with design need depending on, ordinary circumstance is 1m,
Or other sizes.With pile foundation 1 for part sleeve type is connected, i.e. the upper part of pile foundation 1 is deep into prefabricated holding to prefabricated cushion cap 2
In platform 2, both facilitated prefabricated cushion cap 2 to position, but beneficial to enhancing pile foundation 1 and prefabricated cushion cap 2 bonding strength.
Prefabricated cushion cap 2 uses prefabrication, and mechanization, production line balance can be used typically in factory, and its is prefabricated to hold
The size and intensity of platform 2 will be better than cast-in-site, and all compare cast-in-site in terms of production efficiency and manufacturing cost
It is advantageous.The reserved grooved hole 13 in the stake top position of correspondence pile foundation 1 on prefabricated cushion cap 2, the aperture of slotted eye 13 is slightly larger than pile foundation 1
Diameter, the upper end of pile foundation 1 is extend into slotted eye 13, the position preburied column bindiny mechanism of correspondence column 3 on prefabricated cushion cap 2
12。
In prefabricated cushion cap 2 times settings, one layer of certain thickness bed course 5, strengthen the bearing capacity of region ground, prevent ground
There is such as differential settlement and influence the connection of prefabricated cushion cap 2 and pile foundation 1 in base, the top surface of bed course 5 is pushed up with stirrup 4 and flushed；In slotted eye
Cast-in-place expansive concrete 6 in 13, the intensity of expansive concrete 6 is at least above 2 one strength grades of prefabricated cushion cap；By
In expansive concrete 6 condense hardening process in have compensation shrink, can avoid normal concrete condense hardening when
There is the phenomenon of volume-diminished, ensured the reliability connected between pile foundation 1 and prefabricated cushion cap 2 so that pile foundation 1 and prefabricated cushion cap
2 turn into an entirety.
With continued reference to Fig. 2 and Fig. 3, the both sides of stirrup 4 are provided with bracing members 7, and bracing members 7 include one piece of horizontally disposed rectangle
One waist edge of top board 14 and two pieces of vertically arranged trapezoidal faggings 15, the short side of rectangular-shaped top plate 14 and trapezoidal fagging 15 respectively with steel
Hoop 4 is welded to connect, and another waist edge and the rectangular-shaped top plate 14 of trapezoidal fagging 15 are welded to connect.
A kind of packaged type bridges substructure 100 of one embodiment of the invention, also including rubber cushion blocks 8, rubber cushion blocks 8 set
Put between rectangular-shaped top plate 14 and prefabricated cushion cap 2.The injected hole 11 of several up/down perforations is provided with prefabricated cushion cap 2, is noted
Starch the quantity in hole 11, size and its position can be according to the size of prefabricated cushion cap 2 and grouting process, material depending on.
The hole wall of slotted eye 13 is teeth groove shape, general to use steel form pore-forming, and being vertically distributed as teeth groove is concavo-convex alternate, this
Design can increase the contact area of prefabricated cushion cap 2 and expansive concrete 6, reach the prefabricated cushion cap 2 of enhancing and pile foundation 1 is connected
The purpose of intensity.
Reference picture 1, the present invention also provides a kind of construction method of above-mentioned packaged type bridges substructure 100, used to hold
Platform is prefabricated cushion cap 2, several slotted eyes 13, the injected hole 11 of some up/down perforations is set on the prefabricated cushion cap 2 and is stood
Post bindiny mechanism 12, the slotted eye 13 is corresponded with pile foundation 1, is comprised the following steps：
Step one：Stirrup 4 and cast pile foundation 1 are installed；
Reference picture 4, first by stirrup 4 located at the lower end of drilled pile steel pile casting (not shown), routinely pours method cast
The concrete of pile foundation 1, after the casting complete of pile foundation 1, carries out soil excavation, takes out top steel pile casting.To make stirrup 4 and the coagulation of pile foundation 1
Native more preferably connection, and the shearing of prefabricated cushion cap transmission above can be born, the ring inner circle circumferential direction of stirrup 1 sets several shear connectors 9,
Size is so that depending on designing and needing, shear connector 9 can be welded on the inside of stirrup 4 for steel bar intercept, and being vertically arranged the number of plies should be to design needs
Depending on the height of stirrup 4, ordinary circumstance is 4 layers.
Step 2：Bracing members 7 and cast bed course 5 are installed；
With continued reference to Fig. 4, the pile foundation surrounding soil is excavated, two bracing members 7 are welded on the two of the stirrup 5
Side, pours bed course 5, and the bed course 5 connects the stirrup 4 in adjacent pile foundation, and the top surface of bracing members 7 is flushed with the top surface of bed course 5, stake
The top of base 1 will be higher by the top surface certain length of bed course 5, and this length is by depending on design requirement；If pile foundation 1 is pushed up is stretched out steel by specification
Muscle, reinforcing bar is carried out and is accurately positioned, it is to avoid the reinforcing bar reserved with prefabricated cushion cap 2 in slotted eye is collided, and after completing pile foundation construction, cast is strong
Degree is not less than the plain concrete cushion layer 5 of C20, depending on thickness is according to design requirement, generally 10cm.With continued reference to Fig. 2 and Fig. 3,
The bracing members 7 include one piece of horizontally disposed rectangular-shaped top plate 14 and two pieces of vertically arranged trapezoidal faggings 15, rectangular-shaped top plate 14
Short side and a waist edge of trapezoidal fagging 15 be welded to connect with stirrup 4 respectively, another waist edge and rectangular-shaped top plate of trapezoidal fagging 15
14 are welded to connect.
Step 3：Install and adjust prefabricated cushion cap 2；
Reference picture 5, sets rubber cushion blocks 8, the center of the center of rubber cushion blocks 8 and the rectangular-shaped top plate 14 on bracing members 7
Correspond to up and down, depending on the thickness of rubber cushion blocks 8 is to need, should typically be not less than 20mm, by adjusting the thickness of rubber cushion blocks 8,
The purpose in gap between the prefabricated cushion cap 2 of regulation and bracing members 7 is reached, realization carries out essence to the position of prefabricated cushion cap 2 and levelness
Really adjustment, it is ensured that the required precision of whole packaged type bridges substructure 100.Hoisting prefabricated cushion cap 2 carries out assembly, prefabricated cushion cap
Slotted eye 13 on 2 correspondence pile foundation 1 positions is inserted in pile foundation 1, it should be noted that the reinforcing bar in slotted eye 13 should avoid the reinforcing bar of pile foundation 1, and to pre-
Cushion cap processed 2 is adjusted, until reaching the precision of design requirement.
Step 4：In the cast-in-place grouting concrete layer 10 in the bottom of prefabricated cushion cap 2；
Reference picture 6, after prefabricated cushion cap 2 is in place, carries out the grouting of cushion cap bottom, i.e., by described from slotted eye 13 and injected hole 11
Injected hole is starched to form the grouting concrete layer 10 toward the prefabricated cushion cap rising pouring, and its cast-in-place grouting concrete layer 10 is used and is not less than prefabricated holding
The high-strength mortar of the concrete strength of platform 2, the thickness of concrete layer 10 of being in the milk should typically be not less than 20mm, grouting concrete according to gap determination
Layer 10 should be paved with the whole bottom of prefabricated cushion cap 2, to ensure that the bottom of prefabricated cushion cap 2 is closely knit and has some strength.
Step 5：The cast expansive concrete 6 in slotted eye 13；
With continued reference to Fig. 6, cast is higher than the grade of 2 concrete of prefabricated cushion cap at least one in the slotted eye 13 of prefabricated cushion cap 2
Expansive concrete 6, shrinkage concrete to be compensated 6 reaches desired strength, just completes the connection of cushion cap and pile foundation.
Step 6：Column is installed.
Reference picture 7, is fixedly connected between bearing platform prefabrication 2 and column 3 by pre-buried column bindiny mechanism 12.It specifically connects
The mode of connecing can stretch out various methods such as reinforcing bar or embedded sleeve barrel using cushion cap is pre-buried, belong to skill general in the industry, ripe
Art, so this patent is repeated no more.
In sum, the present invention provides a kind of construction method of packaged type bridges substructure 100, solves conventional method
There are problems that such as low construction efficiency, it is big to nearby residents and ambient influnence,.Prefabricated cushion cap 2 uses prefabrication,
On the one hand, work on the spot amount can be both reduced, mitigates the labour intensity of field worker, it is ensured that the safety work of workmen,
Produce the influence such as noise, dust, light, sewage plain and to surrounding traffic nearby residents and environment when can also reduce construction
Negative effect；On the other hand, due to being that factory's centralized production makes, it is easy to management, mechanized construction, component quality can be used
It is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid quality caused by the unfavorable factors such as field condition limitation and
The accident or hidden danger of secure context.Sum it up, a kind of construction party of packaged type bridges substructure 100 that the present invention is provided
Method can reduce cast in situs workload, improve operating efficiency and bridge quality, more conform to modernize zero wind of bridge construction
Danger, high efficiency, the requirement of low cost.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (8)
1. a kind of construction method of packaged type bridges substructure, cushion cap used is prefabricated cushion cap, is set on the prefabricated cushion cap
Several slotted eyes, the injected hole of some up/down perforations and column bindiny mechanism are put, the slotted eye is corresponded with pile foundation, and it is special
Levy and be, comprise the following steps：
Step one：Stirrup is installed and the pile foundation is poured into a mould；
Step 2：Bracing members and cast bed course are installed；
Step 3：Install and adjust the prefabricated cushion cap；
Step 4：In the prefabricated cast-in-place grouting concrete layer in cushion cap bottom；
Step 5：Expansive concrete is poured into a mould in the slotted eye；
Step 6：Column is installed.
2. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step one,
The stirrup is arranged on the lower end of drilled pile steel pile casting, and the pile foundation described in cast-in-site in drilled pile, the stirrup is set in institute
The top of pile foundation is stated, the top surface of the top surface higher than the stirrup of the pile foundation there are some shearings in the stirrup inner surface setting
It is strong.
3. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step 2,
The pile foundation surrounding soil is excavated, two bracing members are welded on the both sides of the stirrup, the bracing members top surface absolute altitude
Concordant with the bed course top surface absolute altitude, the bed course described in cast-in-site in the range of excavation, the bed course is not less than C20's for intensity
Plain concrete.
4. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that the bracing members bag
Include the vertical right-angled trapezium faggings be arrangeding in parallel of one piece of horizontally disposed rectangular-shaped top plate and two pieces, the short side of the rectangular-shaped top plate and
Outer wall of the base long of the right-angled trapezium fagging respectively with the stirrup is welded to connect, the right angle waist of the right-angled trapezium fagging
While being welded to connect with the rectangular-shaped top plate, the top surface of the rectangular-shaped top plate is flushed with the top surface of stirrup.
5. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step 3,
Rubber cushion blocks are set in the rectangular-shaped top plate of the bracing members, on the center of the rubber cushion blocks and the center of the rectangular-shaped top plate
Lower correspondence, the prefabricated cushion cap is placed on the rubber cushion blocks.
6. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step 4,
Starch to form the grouting concrete layer toward the prefabricated cushion cap rising pouring by the injected hole, the intensity of the grouting concrete layer is not less than institute
State the concrete strength of prefabricated cushion cap.
7. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step 5,
The intensity of the expansive concrete will be at least above one grade of intensity of the prefabricated cushion cap concrete.
8. as claimed in claim 1 a kind of construction method of packaged type bridges substructure, it is characterised in that in step 6,
The column is arranged on the prefabricated cushion cap top surface, and fixes company with the prefabricated cushion cap by the column bindiny mechanism
Connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710060932.9A CN106836262A (en) | 2017-01-25 | 2017-01-25 | A kind of construction method of packaged type bridges substructure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710060932.9A CN106836262A (en) | 2017-01-25 | 2017-01-25 | A kind of construction method of packaged type bridges substructure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442239A (en) * | 2018-05-28 | 2018-08-24 | 湘潭大学 | A kind of full assembled light abutment and its construction method |
| CN109518594A (en) * | 2018-12-04 | 2019-03-26 | 中交公路规划设计院有限公司 | Assembling pier stake connecting structure and its construction method |
| CN109680687A (en) * | 2019-01-17 | 2019-04-26 | 江西联保工程咨询有限公司 | A kind of integrally formed construction technology of platform |
| CN109826220A (en) * | 2019-03-27 | 2019-05-31 | 华北水利水电大学 | An energy-saving and environment-friendly bridge pile foundation construction method |
| CN109826222A (en) * | 2019-03-25 | 2019-05-31 | 福州大学 | A structure for strengthening the connection between piles and platform and its construction method |
| CN111335348A (en) * | 2020-03-17 | 2020-06-26 | 浙江省交通规划设计研究院有限公司 | Prefabricated bearing platform installation method |
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| CN109680687B (en) * | 2019-01-17 | 2021-02-05 | 江西联保工程咨询有限公司 | Pile platform integrated forming construction process |
| CN109826222A (en) * | 2019-03-25 | 2019-05-31 | 福州大学 | A structure for strengthening the connection between piles and platform and its construction method |
| CN109826222B (en) * | 2019-03-25 | 2023-12-08 | 福州大学 | Structure for reinforcing pile table connection and construction method thereof |
| CN109826220A (en) * | 2019-03-27 | 2019-05-31 | 华北水利水电大学 | An energy-saving and environment-friendly bridge pile foundation construction method |
| CN111335348A (en) * | 2020-03-17 | 2020-06-26 | 浙江省交通规划设计研究院有限公司 | Prefabricated bearing platform installation method |
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Application publication date: 20170613 |