CN104594375B - A kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology - Google Patents
A kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology Download PDFInfo
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- CN104594375B CN104594375B CN201510030873.1A CN201510030873A CN104594375B CN 104594375 B CN104594375 B CN 104594375B CN 201510030873 A CN201510030873 A CN 201510030873A CN 104594375 B CN104594375 B CN 104594375B
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- Prior art keywords
- bracing wire
- foundation
- forming
- pore
- anchor pole
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- 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)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to rock foundation overhead power transmission line line pole tower and bracing wire novel foundation and construction technology, comprise the embedded basis of shaft tower pore-forming, bracing wire anchor rod foundation. The embedded basis of shaft tower pore-forming is made up of rock pore-forming, rear filling concrete or grouting material. Bracing wire anchor rod foundation is made up of bracing wire boring, bracing wire anchor pole, anchor pole grouting, and described bracing wire anchor pole bottom arranges anchor pole enlarged footing. Bracing wire anchor rod foundation in the present invention, bracing wire anchor pole is consistent with horizontal plane angulation and bracing wire, and bracing wire anchor pole top is directly connected with bracing wire, and bracing wire anchor pole bottom arranges anchor pole enlarged footing to increase its anchor force. The pull out force that bracing wire anchor pole directly utilizes rock foundation opposing bracing wire to transmit, stressed clear and definite, structure efficiency is high, construct convenient. The use of the embedded basis of shaft tower pore-forming of the present invention, bracing wire anchor rod foundation, can reduce the precast concretes such as basic chassis, chuck, strain plate; Make full use of the collaborative basic stress of rock mass, significantly reduce key dimension and buried depth, reduce the workload of excavation and backfill compacting, reduce difficulty of construction, improve efficiency of construction, reduce the destruction of Construction on Environment.
Description
Technical field
The invention belongs to rock foundation, overhead power transmission line line pole tower and guyed foundation technical field of structures, be specifically related to onePlant rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology.
Background technology
Overhead power transmission line line pole tower mainly by shaft tower 1 and pole and tower foundation 2, pole wire 3 and guyed foundation 4, wire 5, keep awayThe compositions such as thunder line 6, insulator 7, gold utensil 8.
Traditional rod tower foundation is made up of chassis 9, chuck 10 etc., and the effect of sinking is played and born vertical load, prevents on chassis,Chuck plays and improves the passive earth pressure of shaft tower backfill soil 11, the effect of stablizing shaft tower 1. Pole wire plays stable shaft tower, flatThe effect of weighing apparatus wire tension, conventional pull wires basis is made up of strain plate 12, distaff 13, and bracing wire backfill soil 14 is covered in strain plateUpper, make distaff can bear the pulling force that pole wire 3 transmits.
Tradition shaft tower and guyed foundation are applied to general hard soil foundation or rate of decay is serious, compared with fragmented rock groundBase, has reasonable stress, a feature such as convenient of constructing, but, integrality good rock foundation lower for rate of decay adopts and passThere is the shortcomings such as excavation of foundation pit difficulty is large, efficiency of construction is low, less economical in system basis, if adopt Blasting Excavation, and can be to projectOn-the-spot ecological environment does a lot of damage, also cannot utilize simultaneously rock foundation compared with high-bearing capacity.
Summary of the invention
The object of the present invention is to provide a kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology.
Rock foundation overhead power transmission line line pole tower and guyed foundation that the present invention proposes, comprise that shaft tower 1, shaft tower pore-forming embedFormula basis and bracing wire anchor rod foundation, described shaft tower 1 top is provided with lightning conducter 6 and insulator 7, the embedded basis of described shaft tower pore-formingInsert in ground with bracing wire anchor rod foundation, the embedded basis of shaft tower pore-forming is by rock pore-forming 15 and rear filling concrete or grouting material 16Composition, bracing wire anchor rod foundation is made up of bracing wire boring 18, bracing wire anchor pole 19 and anchor pole grouting 20, and draw by shaft tower on shaft tower 1 topLine 3 is connected with bracing wire anchor rod foundation, wherein: described shaft tower 1 bottom is inserted in rock pore-forming 15, described shaft tower 1 bottom and rockStone pore-forming 15 gap locations are filled with concrete or grouting material 16 after filling; Described bracing wire anchor pole 19 draws with horizontal plane angulation and shaft towerLine 3 is consistent with horizontal plane angulation, and bracing wire anchor pole 19 one end connect pole wire 3, and the other end inserts in bracing wire boring 18; DrawLine anchor pole 19 and bracing wire 18 gap locations of holing are filled anchor poles grouting 20.
In the present invention, described bracing wire anchor pole 19 bottoms arrange anchor pole enlarged footing 21.
In the present invention, the rock pore-forming 15 on the embedded basis of shaft tower pore-forming can bore some at foundation surface by down-the-hole drillIndividual uniform aperture 17, then adopts the rock in quartering hammer or manual type lashing pore-forming 15 scopes, obtains rockHole 15.
The present invention propose rock foundation overhead power transmission line line pole tower and the construction technology of guyed foundation, concrete steps asUnder:
(1) the embedded basis of shaft tower pore-forming
A. the aperture 17 of constructing, with the rock in quartering hammer or manual type lashing pore-forming 15 scopes;
B. in rock pore-forming 15, put into shaft tower 1;
C. after building between rock pore-forming 15 and shaft tower 1, fill with concrete or grouting material 16;
(2) bracing wire anchor rod foundation
A. remove place earthing, construction bracing wire boring 18;
B. be positioned in bracing wire boring 18 at bracing wire anchor pole 19 bottom skyhook enlarged footings 21, and by bracing wire anchor pole 19The heart, construction anchor pole grouting 20.
Beneficial effect of the present invention is:
1. the embedded basis of shaft tower pore-forming does not need heavy excavation, does not destroy the good rock foundation of shaft tower periphery globality, barBetween tower and rock, build concrete or the grouting material of higher-strength, make full use of not destroyed rock foundation and support shaft towerConduct oneself with dignity, stablize shaft tower.
2. bracing wire anchor rod foundation directly utilizes the pull out force that rock foundation opposing bracing wire is transmitted, stressed clear and definite, structure efficiency is high,Construct convenient.
3. the use of the embedded basis of shaft tower pore-forming, bracing wire anchor rod foundation, can reduce basic chassis, chuck, strain plate etc.Precast concrete; Make full use of the collaborative basic stress of rock mass, significantly reduce key dimension and buried depth, reduce excavation and backfill and pressReal workload, reduces difficulty of construction, improves efficiency of construction, reduces the destruction of Construction on Environment.
Brief description of the drawings
Fig. 1 is traditional shaft tower, bracing wire and foundation main view thereof.
Fig. 2 is traditional rod tower foundation side view.
Fig. 3 is conventional pull wires basis side view.
Fig. 4 is shaft tower of the present invention, bracing wire and foundation main view thereof.
Fig. 5 is the embedded basic side view of shaft tower pore-forming of the present invention.
Fig. 6 is shaft tower rock pore-forming top view of the present invention.
Fig. 7 is bracing wire anchor rod foundation side view of the present invention.
Number in the figure: 1 is that shaft tower, 2 is for pole and tower foundation, 3 is for pole wire, 4 is for guyed foundation, 5 is for wire, 6 is for lightning-arrestLine, 7 is that insulator, 8 is that gold utensil, 9 is that chassis, 10 is that chuck, 11 is that shaft tower backfill soil, 12 is that strain plate, 13 is distaff, 14For bracing wire backfill soil, 15 is that rock pore-forming, 16 is that rear filling concrete or grouting material, 17 are that aperture, 18 is for bracing wire boring, 19 is for drawingLine anchor pole, 20 for anchor pole grouting, 21 be anchor pole enlarged footing.
Detailed description of the invention
Further illustrate by reference to the accompanying drawings the present invention below by embodiment.
Embodiment 1:
Rock foundation overhead power transmission line line pole tower of the present invention and bracing wire novel foundation and construction technology comprise the embedding of shaft tower pore-formingEnter formula basis, bracing wire anchor rod foundation. The embedded basis of shaft tower pore-forming is by 16 groups of rock pore-forming 15, rear filling concrete or grouting materialsBecome. Bracing wire anchor rod foundation is made up of bracing wire boring 18, bracing wire anchor pole 19, anchor pole grouting 20, and described bracing wire anchor pole 19 bottoms arrangeAnchor pole enlarged footing 21.
In the present invention, the rock pore-forming 15 on the embedded basis of shaft tower pore-forming can be first becomes several uniform little with down-the-hole drillHole 17, then adopts the rock in quartering hammer or manual type lashing pore-forming 15 scopes. The present invention does not need heavy excavation, not brokenThe good rock foundation of bad shaft tower periphery globality, builds concrete or the grouting material of higher-strength between shaft tower and rock, fillPoint utilize not destroyed rock foundation support shaft tower deadweight, stablize shaft tower.
In the present invention, the bracing wire anchor pole 19 of bracing wire anchor rod foundation is consistent with horizontal plane angulation and bracing wire 3, bracing wire anchor pole19 tops are directly connected with bracing wire 3, and bracing wire anchor pole 19 bottoms arrange anchor pole enlarged footing 21 to increase its anchor force. Bracing wire anchor pole 19The pull out force that directly utilizes rock foundation opposing bracing wire to transmit, stressed clear and definite, structure efficiency is high, construct convenient. Construction technology is as follows:
(1) the embedded basis of shaft tower pore-forming
A. the aperture 17 of constructing, with the rock in quartering hammer or manual type lashing pore-forming 15 scopes;
B. in rock pore-forming 15, put into shaft tower 1;
C. after building between rock pore-forming 15 and shaft tower 1, fill with concrete or grouting material 16;
(2) bracing wire anchor rod foundation
A. remove place earthing, construction bracing wire boring 18;
B. be positioned in bracing wire boring 18 at bracing wire anchor pole 19 bottom skyhook enlarged footings 21, and by bracing wire anchor pole 19The heart, construction anchor pole grouting 20.
Claims (2)
1. rock foundation overhead power transmission line line pole tower and a guyed foundation, comprise shaft tower (1), the embedded basis of shaft tower pore-forming andBracing wire anchor rod foundation, described shaft tower (1) top is provided with lightning conducter (6) and insulator (7), the embedded basis of described shaft tower pore-forming andBracing wire anchor rod foundation inserts in ground, and the embedded basis of shaft tower pore-forming is by rock pore-forming (15) and rear filling concrete or grouting material(16) composition, bracing wire anchor rod foundation is made up of bracing wire boring (18), bracing wire anchor pole (19) and anchor pole grouting (20), on shaft tower (1)Portion is connected with bracing wire anchor rod foundation by pole wire (3), wherein: described shaft tower (1) bottom is inserted in rock pore-forming (15),Concrete or grouting material (16) are filled with after filling with rock pore-forming (15) gap location in described shaft tower (1) bottom; Described bracing wire anchor pole(19) consistent with horizontal plane angulation with horizontal plane angulation and pole wire (3), bracing wire anchor pole (19) one end connecting rodTower bracing wire (3), the other end inserts in bracing wire boring (18); Bracing wire anchor pole (19) is filled anchor pole with bracing wire boring (18) gap location and is filled withSlurry (20); Described bracing wire anchor pole (19) bottom arranges anchor pole enlarged footing (21); The rock pore-forming on the embedded basis of shaft tower pore-forming(15) bore several uniform apertures (17) by down-the-hole drill at foundation surface, then adopt quartering hammer or manual type to removeRock in rock pore-forming (15) scope, obtains rock pore-forming (15).
2. a construction technology for rock foundation overhead power transmission line line pole tower as claimed in claim 1 and guyed foundation, its spyLevy and be that concrete steps are as follows:
1., the embedded basis of shaft tower pore-forming
Construction aperture (17), with the rock in quartering hammer or manual type lashing pore-forming (15) scope;
In rock pore-forming (15), put into shaft tower (1);
Between rock pore-forming (15) and shaft tower (1), build rear filling concrete or grouting material (16);
2., bracing wire anchor rod foundation
Remove place earthing, construction bracing wire boring (18);
At bracing wire anchor pole (19) bottom skyhook enlarged footing (21), and bracing wire anchor pole (19) is positioned in bracing wire boring (18)The heart, construction anchor pole grouting (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030873.1A CN104594375B (en) | 2015-01-22 | 2015-01-22 | A kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030873.1A CN104594375B (en) | 2015-01-22 | 2015-01-22 | A kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594375A CN104594375A (en) | 2015-05-06 |
| CN104594375B true CN104594375B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510030873.1A Active CN104594375B (en) | 2015-01-22 | 2015-01-22 | A kind of rock foundation overhead power transmission line line pole tower and guyed foundation and construction technology |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906825A (en) * | 2017-03-06 | 2017-06-30 | 河南和德新能源有限公司 | It is suitable to the anchor pole guyed foundation of rock foundation and its construction method |
| CN110805060B (en) * | 2019-11-13 | 2022-02-08 | 山东建筑大学 | Base structure for stay wire of stay wire tower and stay wire fixing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031790A (en) * | 2009-09-25 | 2011-04-27 | 山东电力集团公司日照供电公司 | Construction process for rock enlarged toe anchor pile foundation of overhead power transmission line |
| CN202247931U (en) * | 2011-06-30 | 2012-05-30 | 河南省电力公司安阳供电公司 | Power tower base |
| US8910431B2 (en) * | 2012-10-26 | 2014-12-16 | Emi Products, Llc | Tower structure |
| CN203373743U (en) * | 2013-08-02 | 2014-01-01 | 山东电力工程咨询院有限公司 | Reinforcing anchor rod for transmission tower foundation |
| CN204676581U (en) * | 2015-01-22 | 2015-09-30 | 朱大宇 | A kind of rock foundation overhead power transmission line line pole tower and bracing wire novel foundation |
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