CN208309549U - It is waterborne to fill sand steel tube pile embeded in rock workbench - Google Patents
It is waterborne to fill sand steel tube pile embeded in rock workbench Download PDFInfo
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- CN208309549U CN208309549U CN201820798526.2U CN201820798526U CN208309549U CN 208309549 U CN208309549 U CN 208309549U CN 201820798526 U CN201820798526 U CN 201820798526U CN 208309549 U CN208309549 U CN 208309549U
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Abstract
Waterborne sand steel tube pile embeded in rock workbench is filled the utility model discloses a kind of, it is related to field of bridge construction, its structure includes steel-pipe pile, cross, crossbeam, stringer and Bailey beam platform etc., it mainly has the following characteristics that first is that being consolidated in the reversed convex type stepped hole that steel-pipe pile bottom is embedded on basement rock with concrete, build-in excellent result, bending resistance extraction-resistant behavior are strong；Second is that the closely knit gravel of filling in steel-pipe pile, steel pipe stake top places round rubber plate compacting, so that the frictional resistance of gravel and steel-pipe pile increases steel-pipe pile Compression Stability limit stress, the stability of steel-pipe pile, and easy, cheap, the reusable, saving steel of gravel materials are strengthened；Third is that can be suitably used in the engineerings such as overpass cast-in-place support, trestle.This constructing structure has many advantages, such as that simple structure, safe and reliable, economical rationality, steel-pipe pile stability be strong, low-carbon environment-friendly, combines corresponding construction method that can advantageously reduce expenditure of construction, raising stability, and economic and social benefit is significant.
Description
Technical field
The work of sand steel tube pile embeded in rock is filled the utility model relates to a kind of field of bridge construction, in particular to on-water bridge to put down
Platform.
Background technique
Steel-pipe pile workbench is that the indispensable temporary project of on-water bridge construction is made through workbench in conjunction with trestle
For plant, the transport of material personnel and bridge pier stake, the channel and work-yard of pier construction.And steel-pipe pile is that work is flat
The key member of platform, bending stress, strength and stability requires height, especially for the biggish deep water of water velocity and exposed bedrock
Environment, difficulty of design and construction are bigger.Being currently used for the steel-pipe pile workbench of deepwater bridge construction waterborne, generally there are constructions
Complicated, the defects of safety in utilization is not good enough, expenditure of construction is higher.
Summary of the invention
There is provided the technical problem to be solved by the utility model is to overcome the deficiencies of existing technologies a kind of simple structure,
Securely and reliably, low-cost, steel-pipe pile reasonable stress waterborne to fill sand steel tube pile embeded in rock workbench.
The technical issues of the utility model, is achieved through the following technical solutions:
It is a kind of it is waterborne fills sand steel tube pile embeded in rock workbench, including more steel-pipe piles that are parallel to each other and being embedded in basement rock,
The planche cross support and vertical ten of multiple interconnections is arranged in the different height position for the steel pipe pile bent that more steel-pipe piles are constituted
Word support, each pair of steel pipe stake top weld an I-steel crossbeam and form the rigid structure of door shape, and it is vertical to be successively laid with more I-steel thereon
Beam and set up Bailey beam platform, the steel-pipe pile is steel thin-wall steel pipe, and every steel-pipe pile bottom is equipped with multiple along steel-pipe pile
Even circumferential distribution semicircular indentations, the opening down setting of each semicircular indentations；The basement rock is equipped with for institute
State the reversed convex type stepped hole of steel-pipe pile bottom insertion；Penetration concrete in the steel-pipe pile, the concrete is through multiple semicircle scarce
Filling is filled in the gap between steel-pipe pile bottom and reversed convex type stepped hole mouth simultaneously, and the steel-pipe pile bottom is mounted in basement rock
In；The gravel that compacting to steel pipe stake top is successively poured by steel pipe stake top and filled according to layering is additionally provided in the steel-pipe pile,
Steel pipe stake top is equipped with the rubber slab of compacting gravel, and the rubber plate top surface is equal with the steel pipe stake top.
Every grade of step height of the reversed convex type stepped hole is identical, junior's diameter of reversed convex type stepped hole than steel-pipe pile outside
Higher level's diameter of the big 10cm ~ 20cm of diameter, reversed convex type stepped hole are 30cm~40cm bigger than the outer diameter of steel-pipe pile, and every steel-pipe pile bottom is equal
Semicircular indentations equipped with 4 ~ 8 circumference uniform distributions, diameter are 8cm ~ 10cm.
The gravel cleaning clay content is less than 3%, and less than 5%, gravel layering is successively poured into steel-pipe pile and filled out water content
The compactness for filling compacting is 85%~95%, after filling compacting to steel pipe stake top, is put into the round rubber plate of 3cm~5cm thickness, the rubber
The diameter of offset plate is 1cm~2cm smaller than the internal diameter of steel-pipe pile, and the I-shaped gooseneck being welded and fixed, the I-shaped are equipped in steel pipe stake top
Gooseneck compacting rubber plate top surface is equal with steel pipe stake top, and Bailey beam platform is installed on I-shaped gooseneck.
The planche cross support and vertical cross are dagger made of section steel manufacture, and layering or segmentation are with two
Two or four or four correspondence be welded on adjacent steel-pipe pile outer wall.
The I-shaped gooseneck is welded on a pair of of steel pipe stake top along water (flow) direction and forms the rigid structure of door shape, and carry from
Concentration vertical force, horizontal force, moment of flexure and the uniformly distributed water flow pressure transmitted on Bailey beam platform and I-shaped steel longitudinal beam.
The concrete amount is the volume of 1.5~2 times of reversed convex type stepped holes, and stone aggregate used in concrete is maximum
Diameter is not more than the semicircular indentations diameter half at steel-pipe pile bottom.
Compared with prior art, it is flat to fill the work of sand steel tube pile embeded in rock for a kind of on-water bridge of the utility model major design
Platform mainly has the following characteristics that first is that being consolidated in the reversed convex type stepped hole that steel-pipe pile bottom is embedded on basement rock with concrete, build-in effect
Fruit is superior, and bending resistance extraction-resistant behavior is strong；Second is that the closely knit gravel of filling in steel-pipe pile, steel pipe stake top places round rubber plate compacting,
So that the frictional resistance of gravel and steel-pipe pile increases steel-pipe pile Compression Stability limit stress, the stability of steel-pipe pile is strengthened, and
Easy, cheap, the reusable, saving steel of gravel materials；Third is that being widely used, filling sand steel-pipe pile also can be applicable to height
In the engineerings such as bridge formation cast-in-place support, trestle.This constructing structure has simple structure, safe and reliable, economical rationality, steel-pipe pile steady
The advantages that qualitative strong, low-carbon environment-friendly, on-water bridge can be advantageously reduced in conjunction with corresponding construction method and fills sand steel tube pile embeded in rock
The expenditure of construction of workbench improves stability, also has the effect of energy-saving and emission-reduction, economic benefit and social benefit are significant.
Detailed description of the invention
Fig. 1 is the elevation of the utility model.
Fig. 2 is A-A cross-sectional view of Fig. 1.
Specific embodiment
It will elaborate again by above-mentioned attached drawing to the utility model embodiment below.
As shown in Figure 1 and Figure 2,1. basement rock, 2. steel-pipe piles, 3. concrete, 4. gravels, the support of 51. planche cross, 52. vertical ten
Word support, 53. rubber slabs, 61. I-shaped goosenecks, 62. I-shaped steel longitudinal beams, 7. Bailey beam platforms, 8. loop wheel machines, 9. bridge pier stakes.
It is waterborne to fill sand steel tube pile embeded in rock workbench, belong to on-water bridge construction field, it is cast-in-place to be equally applicable to overpass
In the engineerings such as bracket, trestle, structure is as shown in Figure 1 and Figure 2, including more steel parallel to each other are arranged in 9 upstream and downstream of bridge pier stake
Tubular pole 2, which, which is embedded in jointly in basement rock 1, fixes and forms steel pipe pile bent, then high in the difference of steel pipe pile bent
Multiple planche cross supports 51 are arranged for degree position and vertical cross 52 is interconnected, planche cross support 51 and vertical cross
Support 52 is dagger made of section steel manufacture, can be layered or be segmented and is welded on adjacent steel-pipe pile 2 with 22 or 44 correspondences
On outer wall, play the role of connecting and stablizing more 2 structures of steel-pipe pile.
The every steel-pipe pile 2 is steel thin-wall steel pipe, its means for mounting coupling parts between basement rock 1 is equal are as follows: on basement rock 1
Equipped with the reversed convex type stepped hole for first passing through drilling machine in advance and producing, steel-pipe pile bottom is embedded in again in reversed convex type stepped hole, the reversed convex type step
Every grade of step height in hole is identical, and total height need to meet design requirement, and junior's diameter of reversed convex type stepped hole is than steel-pipe pile 2
Higher level's diameter of the big 10cm~20cm of outer diameter, reversed convex type hole are 30cm~40cm bigger than the outer diameter of steel-pipe pile 2, and steel-pipe pile bottom is equipped with edge
The periphery cutting of steel-pipe pile 2 is uniformly distributed 4~8 semicircular indentations, and the diameter of each semicircular indentations is 8cm~10cm,
And semicircular indentations is opening down, for that when concrete perfusion 3, can be overflowed from 2 bottom of steel-pipe pile mixed in reversed convex type stepped hole
It coagulates soil 3 and clogs and be filled in the gap between steel-pipe pile bottom and reversed convex type stepped hole, and be mounted in steel-pipe pile bottom securely
In basement rock 1.
The concrete 3 plays the role of anchoring steel-pipe pile 2 and basement rock 1, and 3 dosage of concrete is 1.5~2 times convex
Shape step pore volume, stone aggregate maximum gauge used in concrete 3 no more than steel-pipe pile bottom semicircular indentations diameter one
Half, in order to concrete 3 from the semicircular indentations at steel-pipe pile bottom overflow and fill build-in steel-pipe pile bottom and reversed convex type stepped hole it
Between gap.
Then closely knit gravel 4 is filled in every steel-pipe pile 2, less than 3%, water content is less than the gravel cleaning clay content
5%, after build-in enters in basement rock 1, and concrete 3 reaches prescribed strength at steel-pipe pile bottom, it can be layered from steel pipe stake top and pour into and ram
Real, compactness 85%~95% is put into the round rubber plate 53 of 3cm~5cm thickness, the rubber slab after filling compacting to steel pipe stake top
Diameter it is 1cm~2cm smaller than the internal diameter of steel-pipe pile 2, then I-shaped gooseneck 61 is placed on steel pipe stake top to be compacted rubber slab 53,
And keep rubber plate top surface equal with steel pipe stake top.
I-shaped gooseneck 61 is welded on each pair of steel pipe stake top along water (flow) direction to form the rigid structure of door shape, successively spreads again thereon
If more I-shaped steel longitudinal beams 62 and setting up Bailey beam platform 7；The Bailey beam platform is standard steel members, can be wanted by design
The place being laid to for loop wheel machine 8 and other equipments, material, personnel's construction bridge pier stake 9 and bridge pier body is asked, i.e. the rigid structure of door shape is held
The concentration for carrying the generations such as the loop wheel machine 8 transmitted from Bailey beam platform 7 and I-shaped steel longitudinal beam 62 and other equipments, material, personnel is hung down
Straight power, horizontal force, moment of flexure and uniformly distributed water flow pressure.
The construction method waterborne for filling sand steel tube pile embeded in rock workbench, mainly includes the following steps:
Waterborne sand steel tube pile embeded in rock work platform structure scheme is filled Step 1: drafting
1. drafting according to the scale of bridge pier, the depth of water, water velocity and geological drilling data and design drawing and boring waterborne fill
The outside diameter hoop of material, specification and the size and in-rock segment steel-pipe pile bottom of sand steel tube pile embeded in rock workbench planometer mould and each component
Concrete strength determines the quantity and distributing position of steel-pipe pile；
2. consulting the frictional resistance that previous data determines unit length between steel-pipe pile inner wall and gravelValue when non-avaible, is led to
Overtesting determines the frictional resistance of unit length between steel-pipe pile inner wall and gravelValue；
3. being calculated according to formula one, formula two, formula three and formula four and related standard criterion and waterborne filling the embedding rock steel of sand
The bearing capacity of tubular pole work platform structure；
4. with the finite element software calculation review bearing capacity waterborne for filling sand steel tube pile embeded in rock work platform structure, until meeting
It is required that；
Step 2: using pile driving barge construction steel tubular pole
1. surveying and locating, it is desirable that stake level is true；
2. higher level's step of percussive drill drill reversed convex type stepped hole, after reaching projected depth, replacement and reversed convex type step
The drill bit punching that junior's stepped diameters in hole are consistent draws slag cleaning, until meeting design requirement；
3. processing welded steel pipe pile by design requirement, steel-pipe pile bottom is along equally distributed 4~8 of the periphery of steel-pipe pile cutting
Diameter is the semicircular indentations of 8cm~10cm, and the semicircular indentations are opening down；
4. the steel-pipe pile 2 completed the process is put into reversed convex type stepped hole, diver's dive checks steel-pipe pile and reversed convex type platform
Whether the mutual alignment in rank hole is accurate, and the fixed steel pipe stake top of accurate positioning, verticality meet the requirements；
5. pump truck transports concrete 3 to pile driving barge, it is inserted into ductule in steel-pipe pile, and with the side of pouring underwater concrete
Method pours into concrete in steel-pipe pile 2, after the concrete of predetermined amounts pours into, suspends filling concrete, diver's dive inspection
The turgor of reversed convex type stepped hole, as do not clogged full concrete in the gap between steel-pipe pile outer wall and reversed convex type stepped hole
When 3, continue the concrete perfusion in steel-pipe pile until meeting the requirements；
Step 3: weld horizontal cross and vertical cross
1. measuring the position of steel-pipe pile 2, horizontal error and verticality meet the requirements；
2. planche cross support 51 and vertical cross 52 are welded on phase according to layering or segmentation with 22 or 44 correspondences
On adjacent 2 outer wall of steel-pipe pile, weld seam is examined to meet the requirements；
Step 4: gravel is perfused in steel-pipe pile
1. screening clean gravel 4 and drying, clay content is less than 3%, and water content is less than 5%；
2. gravel is poured into steel-pipe pile 2, every layer pour into after tamped with jump bit, compactness 85%~95%, gravel
It is flushed to steel pipe stake top；
3. being put into round rubber plate 53 on the top of steel-pipe pile 2, the diameter of the rubber slab is 1cm smaller than the internal diameter of steel-pipe pile 2~
2cm；
Step 5: steel pipe stake top and I-steel beam welding
1. an I-shaped gooseneck 61 to be placed on to the rubber plate top surface of a pair of of steel pipe stake top along water (flow) direction, it is compacted steel pipe
Gravel 4 in stake 2, until 53 top surface of rubber slab is flushed with steel pipe stake top；
2. 61 bottom surface of welding H-bar crossbeam and a pair of of steel pipe stake top form the rigid structure of door shape；
3. weld seam is examined to meet the requirements；
Step 6: setting up I-shaped steel longitudinal beam and Bailey beam platform
1. measuring the elevation of top surface that each row's I-shaped gooseneck 61 forms the rigid structure of door shape with a pair of of steel pipe stake top, error meets
It is required that；
2. by the rigid structure of door shape that more I-shaped steel longitudinal beams 62 are welded on I-shaped gooseneck 61 and a pair of of steel pipe stake top is formed
Top surface re-lays Bailey beam platform 7 thereon.
Embodiment described in the utility model is merely to illustrate the utility model rather than limitation the scope of the utility model.
It should be further understood that after reading the content taught by the present invention, those skilled in the art can be to the utility model
It makes various changes or modifications, it is interior that these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (6)
1. one kind is waterborne to fill sand steel tube pile embeded in rock workbench, including more steel-pipe piles that are parallel to each other and being embedded in basement rock (1)
(2), the planche cross support of multiple interconnections is arranged in the different height position of the steel pipe pile bent constituted in more steel-pipe piles (2)
(51) it welds an I-shaped gooseneck (61) with vertical cross (52), each pair of steel pipe stake top and forms the rigid structure of door shape, thereon
It is successively laid with more I-shaped steel longitudinal beams (62) and sets up Bailey beam platform (7), it is characterised in that the steel-pipe pile (2) is steel
Thin-wall steel tube, every steel-pipe pile bottom are equipped with the semicircular indentations that multiple even circumferentials along steel-pipe pile are distributed, each semicircle
The opening down setting of notch；The basement rock (1) is equipped with the reversed convex type stepped hole for steel-pipe pile bottom insertion；Described
Steel-pipe pile (2) interior penetration concrete (3), the concrete through multiple semicircular indentations simultaneously clog be filled in steel-pipe pile bottom with it is convex
In gap between shape stepped hole, and the steel-pipe pile bottom is mounted in basement rock (1)；It is additionally provided in the steel-pipe pile (2)
The gravel (4) of compacting to steel pipe stake top is successively poured by steel pipe stake top and filled according to layering, and steel pipe stake top is equipped with compacting gravel
Rubber slab (53), the rubber plate top surface is equal with the steel pipe stake top.
2. waterborne sand steel tube pile embeded in rock workbench is filled according to claim 1, it is characterised in that the reversed convex type platform
Every grade of step height in rank hole is identical, and junior's diameter of reversed convex type stepped hole is 10cm ~ 20cm bigger than steel-pipe pile (2) outer diameter, convex
Higher level's diameter of shape stepped hole is 30cm~40cm bigger than the outer diameter of steel-pipe pile (2), and it is equal that every steel-pipe pile bottom is equipped with 4 ~ 8 circumference
The semicircular indentations of cloth, diameter are 8cm ~ 10cm.
3. waterborne sand steel tube pile embeded in rock workbench is filled according to claim 1, it is characterised in that the gravel (4) is clean
Net clay content is less than 3%, and less than 5%, gravel (4) layering successively pours into steel-pipe pile (2) and fills the compactness of compacting water content
It is 85%~95%, after filling compacting to steel pipe stake top, is put into the round rubber plate (53) of 3cm~5cm thickness, the diameter of the rubber slab
Internal diameter than steel-pipe pile (2) is 1cm~2cm small, and the I-shaped gooseneck (61) being welded and fixed is equipped in steel pipe stake top, and the I-steel is horizontal
Beam compacting rubber slab (53) top surface is equal with steel pipe stake top, installs Bailey beam platform (7) on I-shaped gooseneck (61).
4. waterborne sand steel tube pile embeded in rock workbench is filled according to claim 1, it is characterised in that the planche cross
It supports (51) and vertical cross (52) is dagger made of section steel manufacture, layering or segmentation with 22 or 44 corresponding welderings
It connects on adjacent steel-pipe pile (2) outer wall.
5. waterborne sand steel tube pile embeded in rock workbench is filled according to claim 1, it is characterised in that the I-steel is horizontal
Beam (61) is welded on a pair of of steel pipe stake top along water (flow) direction and forms the rigid structure of door shape, and carries from Bailey beam platform (7) and work
Concentration vertical force, horizontal force, moment of flexure and the uniformly distributed water flow pressure transmitted on word steel stringer (62).
6. waterborne sand steel tube pile embeded in rock workbench is filled according to claim 2, it is characterised in that the concrete (3)
Dosage is the volume of 1.5~2 times of reversed convex type stepped holes, and stone aggregate maximum gauge used in concrete (3) is not more than steel-pipe pile
The semicircular indentations diameter half at bottom.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794115A (en) * | 2020-07-22 | 2020-10-20 | 上海同罡建筑工程有限公司 | Construction method of temporary buttress in water |
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2018
- 2018-05-28 CN CN201820798526.2U patent/CN208309549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794115A (en) * | 2020-07-22 | 2020-10-20 | 上海同罡建筑工程有限公司 | Construction method of temporary buttress in water |
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