Transmission line of electricity combines the design method of the anchor pole of plate stem list anchor slab foundation structure
阅读说明：本技术 输电线路联合板杆单锚板基础结构的锚杆的设计方法 (Transmission line of electricity combines the design method of the anchor pole of plate stem list anchor slab foundation structure ) 是由 李炎隆 雒亿平 于 2019-08-27 设计创作，主要内容包括：本发明公开了输电线路联合板杆单锚板基础结构的锚杆的设计方法,单锚板基础结构包括板组件、锚杆组件和板柱；板组件包括自上而下设置的上板和下板,板柱位于上板的顶部；锚杆组件包括第一锚杆和第二锚杆,上板和板柱通过第一锚杆固接,上板、下板和板柱通过第二锚杆固接；上板的上表面和/或下表面设置有第一配筋,下板的上表面和/或下表面设置有第二配筋；锚杆的设计方法：先进行锚杆的尺寸结构设计；再根据得到的锚杆的尺寸结构,进行地脚螺栓设计,最后完成整个锚杆的设计。本发明不仅提升了锚杆在底板传递抗拔力,也提高了锚杆的耐久性和防腐性。(The invention discloses the design methods of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure, and single anchor slab foundation structure includes board group part, anchor rod component and sheet-pile；Board group part includes the upper plate being arranged from top to bottom and lower plate, and sheet-pile is located at the top of upper plate；Anchor rod component includes the first anchor pole and the second anchor pole, and upper plate and sheet-pile are affixed by the first anchor pole, and upper plate, lower plate and sheet-pile are affixed by the second anchor pole；The upper surface and/or lower surface of upper plate are provided with the first arrangement of reinforcement, and the upper surface and/or lower surface of lower plate are provided with the second arrangement of reinforcement；The design method of anchor pole: the dimensional structure design of anchor pole is first carried out；Further according to the dimensional structure of obtained anchor pole, foundation bolt design is carried out, the design of entire anchor pole is finally completed.The present invention not only improves anchor pole and transmits withdrawal resistance in bottom plate, also improves the durability and anti-corrosive properties of anchor pole.)
1. the design method that transmission line of electricity combines the anchor pole of plate stem list anchor slab foundation structure, which is characterized in that the list anchor slab base Plinth structure includes board group part, anchor rod component and sheet-pile (5)；
The board group part includes the upper plate (1) being arranged from top to bottom and lower plate (2), and the sheet-pile (5) is located at the upper plate (1) Top；And in the state of constructing completion, the upper plate (1) and lower plate (2) are embedded in underground, and the sheet-pile (5) is extremely Few a part is exposed to ground；
The anchor rod component includes the first anchor pole (3) and the second anchor pole (4), and the upper plate (1) and sheet-pile (5) pass through the first anchor pole (3) affixed, upper plate (1), lower plate (2) and sheet-pile (5) are affixed by the second anchor pole (4)；The upper surface of the upper plate (1) and/or Lower surface is provided with the first arrangement of reinforcement, and the upper surface and/or lower surface of the lower plate (2) are provided with the second arrangement of reinforcement；
The design method of the lower plate, is specifically implemented according to the following steps:
Step 1, the dimensional structure design of anchor pole is carried out；
Step 2, the dimensional structure of the anchor pole according to obtained in step 1 carries out foundation bolt design, finally completes entire anchor pole Design.
2. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as described in claim 1, feature It is, in step 1, the structure design of the anchor pole includes calculating and the Soil Anchor Design of anchor pole uplift force.
3. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as claimed in claim 2, feature It is, the calculating of the anchor pole uplift force are as follows: in the case of being pulled out on foundation structure carries out, provided according to anchor pole for basic upper plate Anchorage, obtain anchor pole uplift force be T '.
4. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as claimed in claim 2, feature It is, the Soil Anchor Design is specially the sectional area A that anchor pole is determined according to formula (1)s:
In formula (1), AsFor anchor pole sectional area m2, fptkFor anchor pole tensile strength standard value KPa, KtFor anchor pole tensile-strength safety factor, T ' is the uplift force of anchor pole.
5. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as claimed in claim 4, feature It is, the fptkAnd KtValue all in accordance in DL/T5219-2005 aerial power transmission line basic engineering technical stipulation determine.
6. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as described in claim 1, feature It is, in step 2, the design of the foundation bolt specifically includes determining foundation bolt and corresponding with foundation bolt and anchor pole The dimensions of accessory.
7. the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure as described in claim 1, feature It is, the outer layer design of the anchor pole has anti-corrosion material and anticorrosive casing pipe.
Technical field
The invention belongs to electric power line pole tower equipment technical fields, and in particular to transmission line of electricity combines plate stem list anchor slab basis The design method of the anchor pole of structure.
Background technique
Transmission line tower foundation mainly uses " heavy excavation " foundation class, " draw and dig base expanding and base expanding " foundation class, " explosion expanded piling " basis Class.The key dimension of " heavy excavation " foundation class need to be determined according to the resistance to plucking stability requirement of transmission line tower foundation, in order to full The needs of stability are pulled out on foot, it is necessary to increase key dimension, improve foundation cost, simultaneously because spoir is more, to environment It destroys also larger." draw and dig base expanding and base expanding " foundation class is suitable in the anhydrous cohesive soil for penetrating into foundation pit, while pile foundation specification provides, such as Basis uses pile foundation, and essential bearing stratum needs guiding through collapsible loess, therefore the basis is with not being suitable for big thickness collapsible loess Area." explosion expanded piling " foundation class difficulty of construction is larger, has biggish concealment, and complicated construction technique, construction quality are difficult to control It makes, construction quality problem is difficult to find in time, and there is also certain difficulties for detection after work.
To sum up, current transmission line tower foundation structure is primarily present complicated construction technique, and construction quality is not easily-controllable System and the high problem of cost.
Summary of the invention
The object of the present invention is to provide the design methods of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure, solve The problem that the complicated construction technique of transmission line tower foundation structure, construction quality are not easy to control and cost is high.
A kind of technical solution of the present invention is that the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure is set Meter method, single anchor slab foundation structure include board group part, anchor rod component and sheet-pile；
Board group part includes the upper plate being arranged from top to bottom and lower plate, and sheet-pile is located at the top of upper plate, in the shape that construction is completed Under state, upper plate and lower plate are embedded in underground, and at least part of sheet-pile is exposed to ground；
Anchor rod component includes the first anchor pole and the second anchor pole, and upper plate and sheet-pile are affixed by the first anchor pole, upper plate, lower plate and Sheet-pile is affixed by the second anchor pole；The upper surface and/or lower surface of upper plate are provided with the first arrangement of reinforcement, the upper surface of lower plate and/or Lower surface is provided with the second arrangement of reinforcement；
The design method of anchor pole, is specifically implemented according to the following steps:
Step 1, the dimensional structure design of anchor pole is carried out；
Step 2, the dimensional structure of the anchor pole according to obtained in step 1 carries out foundation bolt design, finally completes entire anchor The design of bar.
The features of the present invention also characterized in that:
In step 1, the structure design of anchor pole includes calculating and the Soil Anchor Design of anchor pole uplift force；
The calculating of anchor pole uplift force are as follows: in the case of being pulled out on foundation structure carries out, provided according to anchor pole for basic upper plate Anchorage, obtain anchor pole uplift force be T '.
Soil Anchor Design is specially the sectional area A that anchor pole is determined according to formula (1)s:
In formula (1), AsFor anchor pole sectional area m2, fptkFor anchor pole tensile strength standard value KPa, KtIt is safely for anchor pole tension Number, T ' are the uplift force of anchor pole.
fptkAnd KtValue all in accordance in DL/T5219-2005 aerial power transmission line basic engineering technical stipulation determine.
In step 2, the design of foundation bolt specifically includes determining foundation bolt and corresponding with foundation bolt and anchor pole The dimensions of accessory.
The outer layer design of anchor pole has anti-corrosion material and anticorrosive casing pipe.
The beneficial effects of the present invention are:
The design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention, is based on anchor pole pulling plate technology Applied in Retaining Wall Engineering, design has developed the novel power transmission overhead line structures foundation pattern, anchor pole material property with Transmission tower foundation bolt is consistent, and the present invention improves anchor pole and transmits withdrawal resistance on floor, is answered in advance to overall structure offer The effect of power, while also improving the durability of anchor pole；The anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention Design method, construction technology is simple, construction quality is controllable, at low cost.
Detailed description of the invention
Fig. 1 is foundation structure in the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention Schematic diagram；
Fig. 2 is foundation structure in the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention Top view；
Fig. 3 is the first anchor pole in the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention Structural schematic diagram；
Fig. 4 is the second anchor pole in the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention Structural schematic diagram；
Fig. 5 is the first bolt shaft in the design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention The anti-corrosive cover schematic diagram of survey.
In figure, 1. upper plates, 2. lower plates, 3. first anchor poles, 4. second anchor poles, 5. sheet-piles, 6. billets, 7. gaskets, 8. spiral shells Bolt, 9. anti-corrosion materials, 10. anticorrosive casing pipes.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention relates to the design methods of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure.
As shown in Figure 1 and Figure 2, single anchor slab foundation structure includes board group part, anchor rod component and sheet-pile 5；Board group part includes from upper And the upper plate 1 and lower plate 2 of lower setting, sheet-pile 5 are located at the top of upper plate 1；And in the state of constructing completion, upper plate 1 is under Plate 2 is embedded in underground, and at least part of sheet-pile 5 is exposed to ground；
Anchor rod component includes the first anchor pole 3 and the second anchor pole 4, and upper plate 1 and sheet-pile 5 are affixed by the first anchor pole 3, upper plate 1, Lower plate 2 and sheet-pile 5 are affixed by the second anchor pole 4；The upper surface and/or lower surface of upper plate 1 are provided with the first arrangement of reinforcement, lower plate 2 Upper surface and/or lower surface are provided with the second arrangement of reinforcement；
As shown in Figure 3, Figure 4, the first anchor pole 3 successively axially penetrates through sheet-pile 5 and upper plate 1, the both ends of the first anchor pole 3 respectively with Upper plate 1 and sheet-pile 5 are affixed by bolt 8, and the second anchor pole 4 is arranged in sheet-pile 5, and one end of the second anchor pole 4 successively axially penetrates through Upper plate 1, lower plate 2 and with lower plate 2 by bolt 8 it is affixed；The both ends of first anchor pole 3 are equipped with billet 6, one of billet 6 are arranged between bolt 8 and sheet-pile 5, another billet 6 is arranged between bolt 8 and upper plate 1, and one end of the second anchor pole 4 is set There is billet 6, one end of billet 6 is arranged between bolt 8 and lower plate 2；Billet 6 on first anchor pole 3 and the second anchor pole 4 Be equipped with gasket 7 between the bolt 8 that closes on.
The design method of the anchor pole of transmission line of electricity joint plate stem list anchor slab foundation structure of the present invention, specifically according to the following steps Implement:
Step 1, the dimensional structure design of anchor pole is carried out；
Step 2, the dimensional structure of the anchor pole according to obtained in step 1 carries out foundation bolt design, finally completes entire anchor The design of bar.
Further, in step 1, the structure design of anchor pole includes calculating and the Soil Anchor Design of anchor pole uplift force；
The calculating of anchor pole uplift force are as follows: in the case of being pulled out on foundation structure carries out, provided according to anchor pole for basic upper plate Anchorage, obtain anchor pole uplift force be T '.
Soil Anchor Design is specially the sectional area A that anchor pole is determined according to formula (1)s:
In formula (1), AsFor anchor pole sectional area m2, fptkFor anchor pole tensile strength standard value KPa, KtIt is safely for anchor pole tension Number, T ' are the uplift force of anchor pole.
fptkAnd KtValue all in accordance in DL/T5219-2005 aerial power transmission line basic engineering technical stipulation determine.
In step 2, the design of foundation bolt specifically includes determining foundation bolt and corresponding with foundation bolt and anchor pole The dimensions of accessory.
The outer layer design of anchor pole has anti-corrosion material and anticorrosive casing pipe.
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