CN206829168U - A kind of hollow digging foundation of root keyed for transmission line of electricity - Google Patents
A kind of hollow digging foundation of root keyed for transmission line of electricity Download PDFInfo
- Publication number
- CN206829168U CN206829168U CN201720182349.0U CN201720182349U CN206829168U CN 206829168 U CN206829168 U CN 206829168U CN 201720182349 U CN201720182349 U CN 201720182349U CN 206829168 U CN206829168 U CN 206829168U
- Authority
- CN
- China
- Prior art keywords
- hollow
- root
- transmission line
- segment
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a kind of hollow digging foundation of root keyed for transmission line of electricity, including main body concrete structure, inside the concrete structure steel reinforcement cage is provided with ring space, main body concrete structure is divided into pillar segment, variable slope segment and base seat from top to bottom, it is hollow hollow section among the pillar segment and variable slope segment, pillar segment outside vertical is connected with several root keys；Because root key assume responsibility for lateral and vertical applied force, therefore digging foundation can bear larger load；Its hollow right cylinder can make full use of pillar segment section bearer properties, and concrete consumption is reduced on the basis of section capacity is ensured；The provided by the utility model hollow digging foundation of keyed can make full use of hollow section to reduce concrete amount, reduce mountain area concrete raw material freight volume, spoir is reduced to environmental disruption simultaneously, so as to strengthen the stability of transmission line tower foundation, reduce production cost, reach economical and efficient, the purpose of environmental protection and energy saving.
Description
【Technical field】
It the utility model is related to power transmission line iron tower foundation technical field, more particularly to a kind of root key for transmission line of electricity
The hollow digging foundation of formula.
【Background technology】
With the fast development of domestic High Voltage Transmission Line Engineering, more transmission lines of electricity need to pass through high mountain high hill etc. suddenly
High and steep area, while as the reinforcement of the environmentally friendly theory of engineering construction, designer more and more select digging foundation, rock
The raw fly ash pattern such as stone foundation and artificial digging pile, achieve the economical and environmentally friendly benefit of highly significant.Especially people
Work digging hole pile foundation, for the big tangent tower of basic role power and anchor support corner tower foundation, and height tower position basis of appearing is non-
Often it is applicable, has become the preferred foundation pattern of designer.
But building successively with extra-high voltage project, iron tower foundation active force is increasing, part artificial digging pile
Diameter alreadys exceed 2.0m, for the excessive basis of indivedual single pile diameters, can only use bearing platform type manually digging hole multi-column pier foundation type
Formula, the destruction that the problem of bringing therewith is difficulty of construction increase and cushion cap is excavated to massif can not repair.In order that design is more
Adduction is managed, and construction is more convenient, and effect on environment is smaller, it is necessary to a kind of hollow digging foundation of root keyed for transmission line of electricity.
Existing transmission line of electricity digging foundation often can be related to problems with using entity digging foundation：1. stake footpath is big, mix
Solidifying earth volume causes greatly from great.2. concrete square amount is big, transport consumes very big resource, and 3. spoir amount is big, increases cost, shadow
Ring environment.And entity digging foundation and pure hollow digging foundation are used, it is related to problems with jointly：It is 1. larger for active force
When, entity digging foundation and pure hollow digging foundation are difficult to meet bearing requirements, use bearing platform type manually digging hole multi-column pier foundation
Pattern, its difficulty of construction is big, and cushion cap excavation is big to the destroying infection of massif.2. under greater level effect, basis rolls
Stability is poor.
【Utility model content】
In view of the shortcomings of the prior art, the utility model purpose is to provide a kind of root keyed for transmission line of electricity hollow
Digging foundation, there is concrete user amount less, lateral stiffness is big, rolls and lateral displacement is small, basic resistance to overturning is good, abandons
Soil amount is few, small on environmental disruption influence, reduces the effect of production cost.
To reach above-mentioned purpose, the utility model, which adopts the following technical scheme that, to be achieved：
A kind of hollow digging foundation of root keyed for transmission line of electricity, including main body concrete structure, the concrete knot
Steel reinforcement cage is provided with ring space inside structure, main body concrete structure is divided into pillar segment, variable slope segment and base seat, institute from top to bottom
State steel reinforcement cage and be placed among pillar segment, variable slope segment and base seat and formed by concrete cast-in-situ, connection built-in fitting is connected to coagulation
It is hollow hollow section among the pillar segment and variable slope segment, hollow section area of section is pillar segment section face at the top of soil structure
Long-pending 25%-50%；Pillar segment outside vertical is connected with several root keys, and root key extends to outer inside main body concrete structure
Side certain length.
Further, the steel reinforcement cage is to the arrangement cage bar of one week, and ties up hoop in the outer stirrup of ring and ring of cage bar
Muscle forms.
Further, described key is precast concrete or hardware.
Further, precast concrete root key forms steel reinforcement cage by root key cage bar, root key stirrup, and after-pouring concrete is formed,
Wherein strength grade of concrete is not less than C25, and root key cage bar intensity is not less than HRB300.
Further, hardware root key cross section is cross, is made of shaped steel or other high duty metals.
Further, described key Symmetrical vertical is distributed or using levels interlaced arrangement on the outside of pillar segment.
Further, the pillar segment and base seat are cylinder, and variable slope segment is round estrade.
Further, the distance of hollow section bottom to base seat bottom is not less than the thickness of 2 times of base seats, is filled in hollow section
There is the filling of non-concrete material.
Further, the variable slope segment is in easy flights in 45 degree.
Further, strength grade of concrete is not less than C25 used in the main body concrete structure, and cage bar intensity is not less than
HRB400。
The utility model has the advantages that：
1st, using hollow-core construction, there is concrete user amount less, lateral stiffness is big, rolls and lateral displacement is small, basis
Resistance to overturning is good, and spoir amount is few, and small, reduction production cost is influenceed on environmental disruption, and using root keyed structure, root key, which produces, to be hanged
Arm beam effect, vertically topple to bearing capacity, resistance with level to improving structure and have excellent effect.
2nd, using hollow-core construction, hollow pile quantity of masonry is small, from heavy and light, unnecessary dead load is eliminated, to giving full play to
Pile side friction has excellent effect.
3rd, using hollow-core construction, concreting amount can be saved under conditions of foundation bearing capacity is not significantly reduced, is being passed through
There is excellent effect in terms of Ji.
4th, using root keyed structure, biomimetic features are formed, it is compacted to the soil body, while strengthen the entirety between basis and the soil body
Action effect, the effect of elastic resistance of the soil body can be given full play to, to vertical and horizontal have excellent effect to large carrying capacity.
5th, the hollow digging foundation of root keyed can substitute four band cushion cap caissons using larger diameter (more than 1.6m)
Basis, independent single pile can just meet to require, reduce difficulty of construction and construction costs, avoid the heavy excavation of massif, control is pulled out upper
When can also consume part spoir, environmental protection.
6th, under same geological conditions and external load effect, saved and made than pure hyollow foundation using the hyollow foundation of root key
Valency about 30% or so, efficiency ratio is high, and stock utilization is high, has excellent effect in economic aspect.
Further, hollow section can be filled with the non-concrete such as spoir or rubble material, part spoir be digested, to Yushan Hill
Environmental protection has excellent effect in area's line project, has excellent effect in economic aspect.
【Brief description of the drawings】
Fig. 1 is the hollow digging foundation structural representation of provided by the utility model keyed；
Fig. 2 is the hollow digging foundation cross-sectional view of provided by the utility model keyed；
Fig. 3 provides root key (precast concrete) schematic diagram for the utility model；
Fig. 3 (a) is root key (precast concrete) elevation, and Fig. 3 (b) is root key plan, and Fig. 3 (c) is that root key is matched somebody with somebody
Muscle figure；
Fig. 4 provides root key (hardware) schematic diagram for the utility model；Fig. 4 (a) is root key elevation, and Fig. 4 (b) is root
Key sectional view；
Wherein：1- pillar segments, 2- variable slope segments, 3- base seats, 4- hollow sections, 5- roots key, 6- connections built-in fitting, 7- cage bars,
Stirrup, 10- root keys cage bar, 11- root keys stirrup, 12- concrete in the outer stirrup of 8- rings, 9- rings.
【Embodiment】
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, complete description, embodiment described herein is only part of the embodiment of the present utility model, and not all implementation
Example.Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of no creative work
Every other embodiment, belongs to scope of protection of the utility model.
As shown in figure 1, the utility model is used for the hollow digging foundation of root keyed of transmission line of electricity, including main body concrete knot
Structure, main body concrete structure include pillar segment 1, variable slope segment 2, root key 5, base seat 3, hollow section 4, connection built-in fitting 6.
Be provided with steel reinforcement cage inside concrete structure in ring space, main body concrete structure be divided into from top to bottom pillar segment 1,
Variable slope segment 2 and base seat 3, the steel reinforcement cage be placed among pillar segment 1, variable slope segment 2 and base seat 3 by concrete cast-in-situ and
Into connection built-in fitting 6 is connected at the top of concrete structure, is hollow hollow section 4 among the pillar segment 1 and variable slope segment 2, empty
The area of section of heart section 4 is the 25%-50% of the area of section of pillar segment 1；The outside vertical of pillar segment 1 is connected with several root keys 5, root
Key 5 extends to outside certain length inside main body concrete structure.
As shown in Fig. 2 steel reinforcement cage is by being vertically arranged the cage bar 7 of one week, and tie up the outer stirrup 8 of ring and ring of cage bar 7
Interior stirrup 9 forms.
Further, root key 5 is precast concrete or hardware, and the described Symmetrical vertical of key 5 is distributed in pillar segment 1
Outside uses levels interlaced arrangement mode.As shown in Fig. 2 root key 5 is distributed in one week along the vertical staggered floor plum blossom-shaped of right cylinder.
As shown in figure 3, precast concrete root key forms steel reinforcement cage, after-pouring coagulation by root key cage bar 10, root key stirrup 11
Soil is formed, and precast concrete root key press institute and made to size, has propped up and reinforcing bar, then casting concrete are laid after template, is conserved to setting
Count desired strength.Cage bar intensity used in root key is not less than HRB300, coagulates native strength grade and is not less than C25, sees Fig. 3 (a), Fig. 3 (b)
With Fig. 3 (c).
As shown in figure 4, hardware root key cross section is cross, it is made of shaped steel or other high duty metals,
See Fig. 4 (a) and Fig. 4 (b).
Pillar segment 1 and base seat 3 are cylinder, and variable slope segment 2 is cone, the bottom of hollow section 4 to the bottom of base seat 3 away from
From the thickness not less than 2 times of base seats 3, filled in hollow section 4 filled with non-concrete material.The gradient one of the variable slope segment 2
As be not more than 45 degree.
As shown in Fig. 2 basic outer wall and inwall middle part, concrete used in main body concrete structure are placed under steel reinforcement cage
Strength grade is not less than C25, and the intensity of cage bar 7 is not less than HRB400.
The hollow digging foundation casting process of root keyed is as follows：
As shown in figure 1, positioning first is measured according to drawing, the then hole of excavated by manual work digging foundation, then carry out whole hole inspection
Look into, clear up hole, now reserve pushing tow hole, transfer steel reinforcement cage, carry out root key immediately after outer reinforcement cage is transferred heads into work
Make, then carry out the concrete of base seat 3 cast of floor portions, then again transfer inner template, the outer wall scope coagulation of hollow section 4
Soil cast, after being molded hollow section 4, hollow parts spoir backfill being carried out, the main spoir dug out using digging foundation is backfilled,
Measurement and positioning built-in connection (or not backfilling hollow parts) after backfill, finally carry out remainder (basis top) concrete and pour
Note, basic maintenance.
The utility model is used for the hollow digging foundation of root keyed of transmission line of electricity, reduces concrete user amount, reduction pair
Environmental disruption, strengthens basic resistance to overturning and longitudinal rigidity is big, improves anti-horizontal loading and resistance to capsizing to basis, fills
The effect of elastic resistance of the soil body, overall reduction construction costs are waved in distribution.
Above example is merely to illustrate the technical solution of the utility model rather than its limitations, although with reference to above-mentioned implementation
The utility model is described in detail example, and those of ordinary skill in the art still can be to of the present utility model specific
Embodiment is modified or equivalent substitution, and these without departing from the spirit and scope of the utility model any modification or
Equivalent substitution, it is within claims of the present utility model.
Claims (10)
- A kind of 1. hollow digging foundation of root keyed for transmission line of electricity, it is characterised in that：It is described including main body concrete structure Steel reinforcement cage is provided with ring space inside concrete structure, main body concrete structure is divided into pillar segment (1), variable slope segment from top to bottom (2) pillar segment (1), variable slope segment (2) and base seat (3) centre are placed in and passes through concrete cast-in-situ with base seat (3), the steel reinforcement cage Form, connection built-in fitting (6) is connected at the top of concrete structure, is hollow sky among the pillar segment (1) and variable slope segment (2) Heart section (4), hollow section (4) area of section are the 25%-50% of pillar segment (1) area of section；Pillar segment (1) outside vertical connects There are several root keys (5), root key (5) extends to outside certain length inside main body concrete structure.
- A kind of 2. hollow digging foundation of root keyed for transmission line of electricity according to claim 1, it is characterised in that：It is described Steel reinforcement cage is by being vertically arranged the cage bar (7) of one week, and ties up stirrup (9) group in the outer stirrup (8) of ring and ring of cage bar (7) Into.
- A kind of 3. hollow digging foundation of root keyed for transmission line of electricity according to claim 1, it is characterised in that：It is described Root key (5) is precast concrete or hardware.
- A kind of 4. hollow digging foundation of root keyed for transmission line of electricity according to claim 3, it is characterised in that：It is prefabricated Concrete root key forms steel reinforcement cage by root key cage bar (10), root key stirrup (11), and after-pouring concrete is formed, wherein strong concrete Degree grade is not less than C25, and root key cage bar intensity is not less than HRB300.
- A kind of 5. hollow digging foundation of root keyed for transmission line of electricity according to claim 3, it is characterised in that：Metal Component root key cross section is cross, is made of shaped steel.
- 6. a kind of hollow digging foundation of root keyed for transmission line of electricity according to claim any one of 1-3, its feature It is：Described key (5) Symmetrical vertical distribution uses levels interlaced arrangement on the outside of pillar segment (1).
- 7. a kind of hollow digging foundation of root keyed for transmission line of electricity according to claim any one of 1-3, its feature It is：The pillar segment (1) and base seat (3) are cylinder, and variable slope segment (2) is round estrade.
- 8. a kind of hollow digging foundation of root keyed for transmission line of electricity according to claim any one of 1-3, its feature It is：The distance of hollow section (4) bottom to base seat (3) bottom is not less than the thickness of 2 times of base seats (3), and hollow section is filled out in (4) Filled filled with non-concrete material.
- 9. a kind of hollow digging foundation of root keyed for transmission line of electricity according to claim any one of 1-3, its feature It is：The variable slope segment (2) it is in easy flights in 45 degree.
- 10. a kind of hollow digging foundation of root keyed for transmission line of electricity according to claim any one of 1-3, its feature It is：Strength grade of concrete used in the main body concrete structure is not less than C25, and cage bar (7) intensity is not less than HRB400.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182349.0U CN206829168U (en) | 2017-02-27 | 2017-02-27 | A kind of hollow digging foundation of root keyed for transmission line of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182349.0U CN206829168U (en) | 2017-02-27 | 2017-02-27 | A kind of hollow digging foundation of root keyed for transmission line of electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206829168U true CN206829168U (en) | 2018-01-02 |
Family
ID=60779379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720182349.0U Active CN206829168U (en) | 2017-02-27 | 2017-02-27 | A kind of hollow digging foundation of root keyed for transmission line of electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206829168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759446A (en) * | 2017-02-27 | 2017-05-31 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of hollow digging foundation of root keyed for transmission line of electricity |
-
2017
- 2017-02-27 CN CN201720182349.0U patent/CN206829168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759446A (en) * | 2017-02-27 | 2017-05-31 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of hollow digging foundation of root keyed for transmission line of electricity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106759446A (en) | A kind of hollow digging foundation of root keyed for transmission line of electricity | |
| CN104594372B (en) | A kind of blower fan pile pier basis and construction method thereof | |
| CN102465524B (en) | Double radial mesh-cage sand-gravel pile and construction technology thereof | |
| CN202117068U (en) | Micropile plate-type composite foundation | |
| CN108560542A (en) | A kind of waste tire cladding builds the two-directed reinforcement and its construction method of slag | |
| CN204401644U (en) | A kind of hollow digging foundation | |
| CN102704505A (en) | Onshore wind generating set foundation | |
| CN201485863U (en) | Digging rock bolt compound environment-protection basis | |
| CN214530638U (en) | Multi-shaft stirring stiffness composite pile | |
| CN206829168U (en) | A kind of hollow digging foundation of root keyed for transmission line of electricity | |
| CN201771514U (en) | Concealed tunneling structure with pile foundation | |
| CN217325391U (en) | Construction tool for high-speed rail line deep foundation pit secant pile | |
| CN207092118U (en) | A kind of top carries the caisson composite foundation of oblique anchor pole | |
| CN202881964U (en) | Pile structure capable of preventing and treating landslide | |
| CN212835477U (en) | Collapsible loess foundation structure | |
| CN201883453U (en) | Combined pipe jacking working well | |
| CN201520968U (en) | Combined hammer | |
| CN203222808U (en) | Foundation processing structure for floating sluice | |
| CN204510861U (en) | Whole building mobile route ground anti-settling structure | |
| CN204849807U (en) | Fill novel wind -powered electricity generation pylon basis of building rubbish | |
| CN103981863A (en) | Up-and-down integrated composite pile of discrete material pile and concrete pipe and construction method of composite pile | |
| CN114482070A (en) | Construction tool and construction method for secant pile of deep foundation pit of high-speed rail-bound line | |
| CN207619919U (en) | A kind of assembled eco-embankment structure | |
| CN208472751U (en) | Offshore wind turbine prestressing force gravity type foundation | |
| CN205999879U (en) | Borehole thin-walled rubble fills out core slip casting pile composite foundation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |