CN207295753U - Weak soil property area communication single tube steel tower steel pipe pile foundation - Google Patents
Weak soil property area communication single tube steel tower steel pipe pile foundation Download PDFInfo
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- CN207295753U CN207295753U CN201721271619.1U CN201721271619U CN207295753U CN 207295753 U CN207295753 U CN 207295753U CN 201721271619 U CN201721271619 U CN 201721271619U CN 207295753 U CN207295753 U CN 207295753U
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Abstract
The utility model is specifically related to weak soil property area communication single tube steel tower steel pipe pile foundation, including steel-pipe pile main body and stake top ring flange, stiffener is also fixedly connected between the lower surface of stake top ring flange and the outer wall of steel-pipe pile main body, prefabricated cushion cap is equipped with below the ring flange of piling bar top, the base of each stiffener is supported on the top surface of prefabricated cushion cap, and the bottom surface of prefabricated cushion cap is arranged on installation ground；The bottom and top of prefabricated cushion cap are interior to set reinforced mesh, and prefabricated cushion cap is made of two cushion cap components of symmetrical configuration, and an entirety is fixed into by connecting bolt through the cushion cap of cushion cap component between two cushion cap components.The steel pipe pile foundation of the utility model is suitable for weak soil property area communication single tube steel tower, with the prefabricated cushion cap formed using prefabricated cushion cap parts assembling, displacement at pile top can effectively be controlled, increase pile body resistance to capsizing, realize the advantages of entire mechanization operation, live rapid construction, floor space are small, each component repeats utilization.
Description
Technical field
The utility model is specifically related to weak soil property area communication single tube steel tower steel pipe pile foundation.
Background technology
With the high speed development of global communication cause, communication single pipe steel tower the spy such as takes up little area because of its plastic simplicity, beauty
Point, favor is enjoyed in the construction that urban afforestation, environmental protection are the theme.And communication single pipe steel tower steel pipe pile foundation is as communication tower weight
The part wanted, it is particularly important that when carrying out communication Deethanizer design.Communication tower basis be by the whole load of superstructure safety,
It is reliably transmitted to ground, and the important component of holding structure overall stability.Single tube tower foundation can use shallow foundation or
Pile foundation.Since its upper part structure is typical cantilever design, height is big and uses Materials with High Strength, pretends the internal force for basis
Very big with moment of flexure, shearing is smaller, the characteristics of pressure very little, different from common buildings, should be specifically noted that in Foundation selection.Close
The Foundation selection and design of reason, can be good at reducing structural cost, improve the safety reliability of structure and shortening construction period.
Traditional communication single pipe tower foundation has cast-in-place concrete isolated footing and cast-in-place rigid projectiles basis, the construction of the two
Mode is all to take foundation pit/stake footpath to excavate --- binding/lifting reinforcing bar --- casting concrete --- is supported by concrete foundation
Shield --- foundation pit backfills this process and constructs.By taking ground 25-40 meters of common single-pipe tower bored concrete pile foundation as an example, its basis
Construction construction from excavating concrete casting about 2-3 days, but base concrete conserves to expend at least that 28 day time could
Fill tower；Particularly in the winter time below 0 degree of outdoor temperature when, concreting and maintenance need to spend 2 months even longer
Time can be only achieved dress tower requirement.In addition, when city wireless network base station single-pipe tower is built, tower body position often exists
The relatively narrower area such as pavement or greenbelt, its foundation excavation, floor space are both needed to strictly control, existing single-pipe tower pile foundation
Structure is since own dimensions, excavation of foundation pit size are too big, or needs the jumboes such as pile foundation to march into the arena, and surrounding enviroment is influenced seriously,
Cause its use ratio not high.
China's 201520517682.3 types of application disclose a kind of steel pipe pile foundation of the horizontal force resistant of Fast Installation steel tower,
Including steel-pipe pile, flange is equipped with the top of the steel-pipe pile, the pipe shaft outer surface of the steel-pipe pile is equipped with parallel with pipe shaft direction
Pipe shaft lateral resisting plate, the flange lower end are provided with one group of stiffener for being connected to steel-pipe pile outer surface of upper.Pass through static pressed pile
Machinery is quickly pressed into steel-pipe pile in foundation soil, then passes through the direct Fast Installation tower body knot of reserved ring flange on steel-pipe pile
Structure.The simple structure of this steel-pipe pile, connection is quick, but diameter is smaller under normal conditions for common steel tube pile foundation, in place
There are weak soil property situation, displacement at pile top is difficult to meet the requirements, communication single pipe tower stability deficiency, and then influences communication quality.
Existing steel pipe pile foundation cannot meet the installation requirements of weak soil property area communication single tube steel tower.In order to solve this
The kind single-pipe tower infrastructure cycle is long, take up a large area, stop easily occurs for work progress, management cost is high, Engineering Quality Control
Difficulty is big, the regional displacement at pile top of weak soil property is difficult the problems such as meeting the requirements, there is an urgent need to a kind of speed of application faster, structure more
Simply, the communication single pipe steel tower pile foundation of infrastructure and steel tower installation can be completed in a relatively short time.
Utility model content
In order to solve, the single-pipe tower infrastructure cycle existing in the prior art is long, take up a large area, work progress is easily sent out
It is raw stop, management cost is high, Engineering Quality Control difficulty is big, the regional displacement at pile top of weak soil property is difficult the problem of meeting the requirements,
The utility model provides a kind of weak soil property area communication single tube steel tower steel pipe pile foundation.Technology to be solved in the utility model
Problem is achieved through the following technical solutions：
Weak soil property area communication single tube steel tower steel pipe pile foundation, including steel-pipe pile main body and stake top ring flange, the steel
Pile pile main body is attached by stake top ring flange and the lower margin flange of communication single pipe tower bottom by flange bolt, will be logical
The torque that letter single-pipe tower tower body is born is transferred to steel-pipe pile main body,
On the outer wall for the top port that the stake top ring flange is welded on steel-pipe pile main body, the lower surface of stake top ring flange with
Also it is fixedly connected with least four pieces of stiffeners between the outer wall of steel-pipe pile main body, the stiffener is along the circumferentially uniform cloth of steel-pipe pile main body
If the top margin and inner side edge of the stiffener are affixed and consolidate with the lower surface of stake top ring flange and the outer wall of steel-pipe pile main body respectively
Fixed connection, and the base length of side of the stiffener is less than the top margin length of side, and top margin is vertical with inner side edge；
Prefabricated cushion cap is equipped with below the ring flange of the piling bar top, the prefabricated cushion cap is set in the outer wall of steel-pipe pile main body
On, and the base of each stiffener is supported on the top surface of prefabricated cushion cap, the bottom surface of prefabricated cushion cap is arranged on installation ground；
The bottom and top of the prefabricated cushion cap are interior to set reinforced mesh, bottom of the reinforced mesh parallel to prefabricated cushion cap
Face, to lift the buckle resistance energy of prefabricated cushion cap；
The prefabricated cushion cap is made of two cushion cap components of symmetrical configuration, has multiple positions on each cushion cap component
The horizontal through hole corresponded, is fixed by connecting bolt through the cushion cap of the horizontal through hole between two cushion cap components
Into an entirety.
Further, in weak, humus matter area communication single pipe steel tower steel pipe pile foundation described in the utility model, respectively
Every one end of the cushion cap connection bolt is provided between two anti-theft nuts and the side wall of inner side anti-theft nut and cushion cap component
It is lined with connection backing plate.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, the steel
The cross section of pile pile main body is circular, and the cross sectional dimensions one of the cross sectional dimensions of steel-pipe pile main body and communication single pipe steel tower
Cause, ensure that the stress of communication single pipe steel tower is fully delivered to steel pipe pile foundation.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, the steel
Pile pile main body is the hollow tubular of both ends open, and the steel-pipe pile main body includes columned steel pipe pile body and steel pipe is completely covered
The zinc coat of pile body inside and outside wall both sides, is all covered with epoxy resin erosion resistant coating, the asphalt mixtures modified by epoxy resin on inside and outside two layers of zinc coat
Fiberglass cloth is also covered with outside fat erosion resistant coating；
The steel pipe pile body upwards in the range of at least 0.1 meter, only has zinc coat, to increase steel pipe from bottom end opening
The lightning protection electric conductivity of stake main body.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, the plating
Zinc coating thickness is more than 86 μm, and the epoxy resin anti-corrosion layer thickness is more than 100 μm, and the fiberglass cloth specifically includes six
Layer, is followed successively by anti-decaying paint, glass fabric, anti-decaying paint, glass fabric and anti-decaying paint from inside to outside.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, further include
Cathodic protection system, the cathodic protection system include sacrificial anode filler bag and connecting cable, the sacrificial anode filler bag
For magnesium, aluminium combined type anode filler bag, one end of the connecting cable is welded in the anode copper core of sacrificial anode filler bag, institute
The other end for stating connecting cable is welded on stiffener.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, stake top method
At least four vertical through holes are equably opened up on blue disk, each vertical position of through hole and the position of stiffener are separately laid.
Further, in weak soil property area communication single tube steel tower steel pipe pile foundation described in the utility model, the method
Orchid connection bolt includes studs and two anti-theft nuts, and has check washer between the studs and nut.
The beneficial effects of the utility model：
1st, the steel pipe pile foundation of the utility model is suitable for weak soil property area communication single tube steel tower, can pass through stake top flange
Disk realizes Fast Installation tower body, and the stiffener below stake top plane face flange disk, can increase the stability of strutting system of stake top, prior
It is that there is the concrete prefabricated cushion cap formed using prefabricated cushion cap parts assembling below stiffener, the bottom surface support of stiffener
On prefabricated cushion cap, displacement at pile top can be effectively controlled, increases pile body resistance to capsizing, lifts firm power, and cushion cap belongs to prefabricated
Part, realizes entire mechanization and operates, is quality controllable, live rapid construction, floor space is small, reduces base station selected difficulty
Advantage.
2nd, the steel pipe pile foundation of the utility model is engaged using the steel-pipe pile of preprocessing with prefabricated cushion cap, and component is pre-
System, overcome cast in situ concrete foundation long construction period, construction it is cumbersome, can not secondary use, the wasting of resources, contaminated land etc. lacks
Point.The steel pipe pile foundation can quickly be pressed into steel-pipe pile by static press piling machinery in foundation soil, then by steel-pipe pile
The direct Fast Installation tower body structure of reserved ring flange, after the completion of steel-pipe pile main body construction, table soil is excavated and is replaced into prefabricated hold
Platform, simple structure, connection are quick；Tower body knot is born by steel-pipe pile main body, stiffener and concrete prefabricated cushion cap jointly
The tilting moment of structure, speed of application is fast, the cycle is short, construction technology is simple, and each component repeats utilization, and energy conservation and environmental protection, effectively carries
High base station construction efficiency, has widened steel-pipe pile application range, has reduced the influence produced to surrounding resident life.
3rd, the steel pipe pile body of the utility model uses three layers of anti-corrosion measure, steel of the central core steel-pipe pile as both ends open
Pipe, avoids head plate explosion closed at both ends and single port closing zinc liquid stream in zinc coat process and leads to not freely, reduce at the same time
Piling difficulty；Epoxy resin asphalt is coated outside zinc coat and forms epoxy resin erosion resistant coating, is added outside epoxy resin erosion resistant coating
The fiberglass cloth being made of three layers of paint film and layer glass fiber cloth, effectively prevent the corrosion of steel pipe pile body, extend steel
The service life of pipe pile foundation.
4th, cathodic protection system is set to carry out anti-corrosion protection around the steel-pipe pile of the utility model, sacrificial anode adds with pile body
Cable connection is used between gusset, sacrificial anode buried depth is more than 1m, is more than 3m apart from pile body distance, it is possible to prevente effectively from steel pipe pile foundation
Plinth is corroded soil corrosion, and therefore, the steel pipe pile foundation of the utility model is equally applicable to sour soil region.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Brief description of the drawings
Fig. 1 is the overall structure diagram of steel pipe pile foundation.
Fig. 2 is the structure diagram of prefabricated cushion cap.
Fig. 3 is the left view of prefabricated cushion cap.
Fig. 4 is the structure diagram of stiffener.
Fig. 5 is the cross-sectional structure schematic diagram of steel pipe pile body main body.
Fig. 6 is the top view of stake top ring flange.
Fig. 7 is the overall structure diagram of the steel pipe pile foundation with cathodic protection system.
In figure：1- steel pipe pile bodies main body, 2- stake tops ring flange, 3- stiffeners, 4- flange bolts, the prefabricated cushion caps of 5-,
6- zinc coats, 7- epoxy resin erosion resistant coating, 8- fiberglass cloths, 9- cushion caps connection bolt, 10- connection backing plates, 11- steel-pipe piles
Body, 12- cushion caps component, 13- horizontal through hole, 14- reinforced mesh, the vertical through holes of 15-, 19- sacrificial anode fillers bag, 20- connections
Cable.
Embodiment
For the technological means and effect that the utility model is reached predetermined purpose and taken is expanded on further, below in conjunction with attached drawing
And embodiment describes as follows specific embodiment of the present utility model, architectural feature and its effect in detail.
In the description of the utility model, it is to be understood that term " longitudinal direction ", " length ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model and simplifies and describe, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation ", the term such as " setting " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or
Integrally；Can mechanically connect or be electrically connected or can communicate with one another；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be the interaction relationship of connection inside two elements or two elements.For this area
Those of ordinary skill for, can understand concrete meaning of the above-mentioned term in the utility model as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Embodiment 1：
In order to solve, the single-pipe tower infrastructure cycle existing in the prior art is long, take up a large area, work progress is easily sent out
It is raw stop, management cost is high, Engineering Quality Control difficulty is big, the regional displacement at pile top of weak soil property is difficult the problem of meeting the requirements,
The present embodiment provides weak soil property area communication single tube steel tower steel pipe pile foundation as shown in Figure 1, including steel-pipe pile main body 1 and stake
Ring flange 2 is pushed up, steel-pipe pile main body 1 passes through flanged joint spiral shell by the lower margin flange of stake top ring flange 2 and communication single pipe tower bottom
Bolt 4 is attached, and the torque that communication single pipe tower tower body is born is transferred to steel-pipe pile main body 1.As shown in fig. 6, stake top flange
Each vertical position of through hole 15 of at least four vertical through holes 15 is equably opened up on disk 2 separately to lay with the position of stiffener 3.
Flange bolt 4 is fixed as one through vertical through hole 15 and lower margin flange.
Flange bolt 4 includes studs and anti-theft nut, and every one end of studs is furnished with two anti-theft nuts,
And there is check washer between studs and the anti-theft nut of inner side.Flange bolt uses studs, effectively reduces
Size is reserved between steel pipe pile crown and ground level, convenient installation, save material.Attaching nut uses anti-theft nut, can use spiral shell
The wedge-shaped common type such as anti-loose anti-theft nut or ball-type anti-theft nut of rotation.Anti-theft nut positioned at outside can effectively prevent flange
Connection bolt 4 loosens, and check washer can increase forced area, prevents that stake top ring flange is frayed anti-.
As shown in Figure 1 and Figure 4, stake top ring flange 2 is welded on the outer wall of the top port of steel-pipe pile main body 1, stake top method
Contact surface weld seam and side stiffener and weld seam power transmission between blue disk 2 and steel-pipe pile main body, Weld quality level are not less than two
Level.At least four pieces of stiffeners 3 are also fixedly connected between the lower surface of stake top ring flange 2 and the outer wall of steel-pipe pile main body 1.Stiffener
3 is circumferential uniformly distributed along steel-pipe pile main body 1, makes force dispersion evenly, the top margin 16 and inner side edge 18 of stiffener 3 respectively with stake
The lower surface of top ring flange 2 is affixed and is fixedly connected with the outer wall of steel-pipe pile main body 1, and 17 length of side of base of stiffener 3 is less than
16 length of side of top margin, and top margin 16 is vertical with inner side edge 18.The lower surface and steel-pipe pile main body 1 of stiffener and stake top ring flange 2
Outer wall is usually welded.
The lower section of piling bar top ring flange 2 is equipped with prefabricated cushion cap 5, and prefabricated cushion cap 5 is set on the outer wall of steel-pipe pile main body 1, and
The base 17 of each stiffener 3 is supported on the top surface of prefabricated cushion cap 5, and the bottom surface of prefabricated cushion cap 5 is set on the ground, so as to reinforce
The stability of steel-pipe pile main body 1, reduces displacement at pile top.
Communication single pipe steel tower tower body is connected by flange bolt with lower part steel pipe pile foundation, by top tower body by wind lotus
Carry, tower body dead weight, installation safeguard that M, N, V of the generations such as live load are transferred to steel pipe pile foundation, steel pipe pile foundation by with surrounding
Power is transferred to ground by prefabricated cushion cap and the soil body interaction, while prefabricated cushion cap can effectively limit displacement at pile top at the top of pile foundation,
Make it possible steel-pipe pile soft layer area promoting the use of.
As shown in Figures 2 and 3, prefabricated cushion cap 5 is concrete prefabricated that used concrete grade is more than C30, the ratio of reinforcement
More than 1.5%, size is in the range of stake week 1000mm, thickness is more than 500mm.The bottom and top of prefabricated cushion cap 5 are interior to set steel
Muscle mesh sheet 14, reinforced mesh 14 parallel to prefabricated cushion cap 5 bottom surface, to reinforce prefabricated cushion cap 5.The generally equidistant side of reinforced mesh
Lattice reinforced mesh or footpath circumferential reinforcement mesh sheet, improve the intensity of cushion cap resistance moment of rupture.Prefabricated cushion cap 5 is by the two of symmetrical configuration
A cushion cap component 12 forms, the horizontal through hole 13 that there are multiple positions to correspond on each cushion cap component 12, two cushion cap components
Between 12 an entirety is fixed into by connecting bolt 9 through the cushion cap of horizontal through hole 13.Prefabricated cushion cap 5 is designed to assembling side
Formula, not only facilitates installation, but also gap is adjustable between two cushion cap components, and guarantee cushion cap is completely embedded with steel pipe pile body.
This steel pipe pile foundation is suitable for weak soil property area communication single tube steel tower, and quick peace can be realized by stake top ring flange
Tower body is filled, the stiffener below stake top plane face flange disk, can increase the stability of strutting system of stake top, have below stiffener and use
The concrete prefabricated cushion cap that prefabricated cushion cap parts assembling forms, the bottom surface of stiffener are supported on prefabricated cushion cap, can effectively control
Displacement at pile top, increases pile body resistance to capsizing, lifts firm power, and cushion cap belongs to prefabricated component, realize entire mechanization operation,
Quality controllable, live rapid construction, conventional soil property can be completed to construct within one hour, and floor space is small, it is base station selected to reduce
The advantages of difficulty.
Every one end of each cushion cap connection bolt 9 is provided with two anti-theft nuts in this steel pipe pile foundation, and positioned at inner side
Connection backing plate 10 is lined between the side wall of anti-theft nut and cushion cap component 12.Anti-theft nut positioned at outside can effectively prevent cushion cap
Connection bolt 9 loosens, and connection backing plate 10 can increase forced area, prevents that cushion cap side is frayed anti-, nut loosens.
In this steel pipe pile foundation, the cross section of steel-pipe pile main body 1 is circle, and the cross sectional dimensions of steel-pipe pile main body 1 with
The cross sectional dimensions of communication single pipe steel tower is consistent, ensures that the stress of communication single pipe steel tower is fully delivered to steel pipe pile foundation.Steel pipe
The base material matter selection Q345 or Q235 steel of pile body, intensity can meet requirement, better economy.The horizontal stroke of steel-pipe pile main body
The definite of section thickness is to calculate pile body stress and steady using process and construction piling process two parts stress according to pile body
Qualitative, pile body length experiences power size according to upper column and the closely knit situation of surrounding soil calculates.
As shown in figure 5, steel-pipe pile main body 1 is the hollow tubular of both ends open, steel-pipe pile main body 1 includes columned steel pipe
Pile body 11 and the zinc coat 6 that 11 inside and outside wall both sides of steel pipe pile body are completely covered, are also covered with asphalt mixtures modified by epoxy resin on inside and outside two layers of zinc coat 6
Fat erosion resistant coating 7, is also covered with fiberglass cloth 8 outside epoxy resin erosion resistant coating 7,11 both ends open of steel pipe pile body avoids plating
Head plate explosion closed at both ends and single port closing zinc liquid stream are led to the drawbacks of not smooth during zinc, while reduce piling difficulty.Steel
Pile pile body is steel pipe, since steel corrosion resistance itself is poor, and it is extremely serious to bearing capacity of pile foundation weakening after corroding, therefore take
It is particularly important that effective anticorrosive measure.But steel pipe pile body 11 upwards in the range of at least 0.1 meter, only has from bottom end opening
There is zinc coat 6, to increase the lightning protection electric conductivity of steel-pipe pile main body 1.
Before integrally galvanizing preservative treatment is carried out to pile body, need first to carry out steel surface thorough degreasing and rust removal, injection
Or derusting grade requirement reaches Sa2.5 during centrifugal blast cleaning, derusting grade requires to reach St3, galvanizing when using hand cleaning
6 thickness of zinc coat that preservative treatment is formed is more than 86 μm, and specific thickness is by those skilled in the art according to steel-pipe pile diameter, installation
The factors such as regional soil property are adjusted, and epoxy resin erosion resistant coating 7 is formed by the spraying of epoxy resin asphalt paint, epoxy resin anti-corrosion
Layer needs high pressure painting 3~4 times, and thickness is more than 100 μm, and specific thickness is by those skilled in the art according to steel-pipe pile diameter, installation
The factors such as regional soil property are adjusted, and after epoxy resin erosion resistant coating thoroughly dries solidification, then carry out the making of fiberglass cloth,
Fiberglass cloth 8 specifically includes five layers, be followed successively by from inside to outside anti-decaying paint, glass fabric, anti-decaying paint, glass fabric and
Anti-decaying paint.Anti-decaying paint is specially polyurethane bituminous paint in the present embodiment.
The steel pipe pile body of the utility model uses three layers of anti-corrosion measure, steel of the central core steel-pipe pile as both ends open
Pipe, avoids head plate explosion closed at both ends and single port closing zinc liquid stream in zinc coat process and leads to not freely, reduce at the same time
Piling difficulty；Epoxy resin asphalt is coated outside zinc coat and forms epoxy resin erosion resistant coating, is added outside epoxy resin erosion resistant coating
The fiberglass cloth being made of three layers of paint film and layer glass fiber cloth, effectively prevent and pile body is touched in transport installation process
Bad possibility is crashed through, it also avoid the corrosion of steel pipe pile body.
The communication single pipe steel tower steel pipe pile foundation of the present embodiment after mounting, 3 months, half a year, the frequency of 1 year it is regular
Anti-corrosion effect observation is carried out, after one year, does not occur construct cut and surface oxidisation phenomenon, verification in the range of 1 meter of ground
Steel pipe pile body is afterwards alternately arranged using spray epoxy asphalt caulk after zinc-plated using anti-corrosion paint film and glass layer
Form, can reach good anti-corrosion effect.
Embodiment 2：
The present embodiment and embodiment 1 difference lies in：Cathodic protection system is further included in communication single pipe steel tower steel pipe pile foundation
System, as shown in fig. 7, cathodic protection system includes sacrificial anode filler bag 19 and connecting cable 20, sacrificial anode filler bag 19 is
Magnesium, aluminium combined type anode filler bag, one end of connecting cable 20 are welded in the anode copper core of sacrificial anode filler bag 19, connection
The other end of cable 20 is welded on stiffener 3.Connected between connecting cable 20 and anode copper core using brazing or soldering, connection electricity
Aluminothermy mode connecting welding is used between cable and stiffener, cable reserves certain surplus.Cathodic protection system effectively solves steel
The problem of steel construction of pipe pile foundation is perishable in sour soil.
Steel pipe pile body 11 upwards in the range of at least 0.1 meter, only has zinc coat 6, not only increases steel from bottom end opening
The lightning protection electric conductivity of pile pile main body 1, can also be such that steel pipe pile body 11, sacrificial anode filler bag 19 is connected with connecting cable 20,
The anti-corrosion cathode protection system of steel pipe pile foundation is formed in soil around pile earth.Specific depth is by those skilled in the art according to steel pipe
The factors such as stake diameter, operating area soil property are adjusted.
Cathodic protection system is set to carry out anti-corrosion protection around the steel-pipe pile of the utility model, sacrificial anode filler bag is with adding
Cable connection is used between strength plate.The embedding of sacrificial anode filler is deep to be more than 1m, is more than 3m, sacrificial anode material choosing apart from pile body distance
With magnesium, aluminium combined type anode.Sacrificial anode filler bag is with acid and alkali corrosion and moist soil property area and steel pipe pile body
Three layers of corrosion-inhibiting coating (zinc coat 6, epoxy resin erosion resistant coating 7 and fiberglass cloth 8) are used cooperatively, and can greatly strengthen pile body
Corrosion resistance, extends the service life of pile body.
This steel pipe pile foundation can quickly be pressed into steel-pipe pile by static press piling machinery in foundation soil, then pass through steel pipe
The direct Fast Installation tower body structure of reserved ring flange in stake main body, after the completion of steel-pipe pile main body construction, excavates displacement by table soil
It is quick for prefabricated cushion cap, simple structure, connection.Held jointly by steel-pipe pile main body, stiffener and concrete prefabricated cushion cap
By the tilting moment of tower body structure, speed of application is fast, the cycle is short, construction technology is simple, and each component repeats utilization, energy-saving ring
Protect, effectively increase base station construction efficiency, widened steel-pipe pile application range, reduce the shadow produced to surrounding resident life
Ring.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (8)
1. weak soil property area communication single tube steel tower steel pipe pile foundation, including steel-pipe pile main body (1) and stake top ring flange (2), institute
State steel-pipe pile main body (1) and flange bolt (4) are passed through by the lower margin flange of stake top ring flange (2) and communication single pipe tower bottom
It is attached, the torque that communication single pipe tower tower body is born is transferred to steel-pipe pile main body (1), it is characterised in that
On the outer wall for the top port that the stake top ring flange (2) is welded on steel-pipe pile main body (1), under stake top ring flange (2)
Also it is fixedly connected with least four pieces of stiffeners (3) between the outer wall of surface and steel-pipe pile main body (1), the stiffener (3) is along steel pipe
Stake main body (1) is circumferential uniformly distributed, the top margin (16) and inner side edge (18) of the stiffener (3) respectively with stake top ring flange (2)
Lower surface be affixed and be fixedly connected with the outer wall of steel-pipe pile main body (1), and base (17) length of side of the stiffener (3) is less than
Top margin (16) length of side, and top margin (16) is vertical with inner side edge (18)；
Prefabricated cushion cap (5) is equipped with below the steel pipe stake top ring flange (2), the prefabricated cushion cap (5) is set in steel-pipe pile main body
(1) on outer wall, and the base (17) of each stiffener (3) is supported on the top surface of prefabricated cushion cap (5), prefabricated cushion cap (5)
Bottom surface be placed on installation ground on；
The bottom and top of the prefabricated cushion cap (5) are interior to set reinforced mesh (14), and the reinforced mesh (14) is parallel to prefabricated
The bottom surface of cushion cap (5), to lift the buckle resistance energy of prefabricated cushion cap (5)；
The prefabricated cushion cap (5) is made of two cushion cap components (12) of symmetrical configuration, has on each cushion cap component (12)
The horizontal through hole (13) that multiple positions correspond, by through the horizontal through hole between two cushion cap components (12)
(13) cushion cap connection bolt (9) is fixed into an entirety.
2. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 1, it is characterised in that each described
Every one end of cushion cap connection bolt (9) be provided with two anti-theft nuts and inner side anti-theft nut and cushion cap component (12) side wall it
Between be lined with connection backing plate (10).
3. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 2, it is characterised in that the steel
The cross section of pile pile main body (1) is circular, and the cross section ruler of the cross sectional dimensions of steel-pipe pile main body (1) and communication single pipe steel tower
It is very little consistent, ensure that the stress of communication single pipe steel tower is fully delivered to steel pipe pile foundation.
4. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 3, it is characterised in that the steel
Pile pile main body (1) is the hollow tubular of both ends open, and the steel-pipe pile main body (1) includes columned steel pipe pile body (11) and complete
The zinc coat (6) of all standing steel pipe pile body (11) inside and outside wall both sides, is all covered with asphalt mixtures modified by epoxy resin on inside and outside two layers of zinc coat (6)
Fat erosion resistant coating (7), the epoxy resin erosion resistant coating (7) is exterior to be also covered with fiberglass cloth (8)；
The steel pipe pile body (11) upwards in the range of at least 0.1 meter, only has zinc coat (6), to increase from bottom end opening
The lightning protection electric conductivity of steel-pipe pile main body (1).
5. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 4, it is characterised in that the plating
Zinc layers (6) thickness is more than 86 μm, and epoxy resin erosion resistant coating (7) thickness is more than 100 μm, fiberglass cloth (8) tool
Body includes five layers, and anti-decaying paint, glass fabric, anti-decaying paint, glass fabric and anti-decaying paint are followed successively by from inside to outside under.
6. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 1, it is characterised in that further include
Cathodic protection system, the cathodic protection system includes sacrificial anode filler bag (19) and connecting cable (20), described to sacrifice sun
Tassement polaire bag (19) is magnesium, aluminium combined type anode filler bag, and one end of the connecting cable (20) is welded on sacrificial anode filler
In the anode copper core for wrapping (19), the other end of the connecting cable (20) is welded on stiffener (3).
7. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 1, it is characterised in that stake top method
At least four vertical through holes (15), the position and the position of stiffener (3) of each vertical through hole (15) are equably opened up on blue disk (2)
Separately lay.
8. weak soil property area communication single tube steel tower steel pipe pile foundation according to claim 1, it is characterised in that the method
Orchid connection bolt (4) includes studs and anti-theft nut, and every one end of studs is furnished with two anti-theft nuts, and described double
There is check washer between header stud and the anti-theft nut of inner side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721271619.1U CN207295753U (en) | 2017-09-29 | 2017-09-29 | Weak soil property area communication single tube steel tower steel pipe pile foundation |
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| CN201721271619.1U CN207295753U (en) | 2017-09-29 | 2017-09-29 | Weak soil property area communication single tube steel tower steel pipe pile foundation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110004883A (en) * | 2019-02-11 | 2019-07-12 | 中国水电基础局有限公司 | A kind of compound core-wall structure of earth and rockfill dam and construction method |
| CN110528532A (en) * | 2019-08-07 | 2019-12-03 | 上海城地建设股份有限公司 | A kind of precast splice type steel concrete combined support stake and its construction method |
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2017
- 2017-09-29 CN CN201721271619.1U patent/CN207295753U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN110004883A (en) * | 2019-02-11 | 2019-07-12 | 中国水电基础局有限公司 | A kind of compound core-wall structure of earth and rockfill dam and construction method |
| CN110004883B (en) * | 2019-02-11 | 2024-03-26 | 中国水电基础局有限公司 | Composite core wall structure of earth-rock dam and construction method |
| CN110528532A (en) * | 2019-08-07 | 2019-12-03 | 上海城地建设股份有限公司 | A kind of precast splice type steel concrete combined support stake and its construction method |
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