Transmission line of electricity combines the design method of the anchor pole of three anchor slab foundation structure of plate stem
阅读说明：本技术 输电线路联合板杆三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 three anchor slab foundation structure of plate stem ) 是由 李炎隆 雒亿平 于 2019-08-27 设计创作，主要内容包括：本发明公开了一种输电线路联合板杆三锚板基础结构的锚杆的设计方法,三锚板基础固定结构包括上板短柱、板件组和锚杆组件,其中,板件组包括自上而下的上板和下板件,下板件包括三个独立设置的下板,其中,锚杆组件包括第一锚杆和第二锚杆,上板短柱与上板通过第一锚杆固接,上板与三个下板分别通过第二锚杆固接,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；锚杆的设计方法包括：步骤1：进行锚杆的尺寸结构设计；步骤2：根据步骤1中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。本发明使得锚杆材料特性与输电杆塔地脚螺栓保持一致,且提高了锚杆的耐久性。(The invention discloses a kind of design methods of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem, three anchor slab basis fixed structures include upper plate short column, plate group and anchor rod component, wherein, plate group includes top-down upper plate and lower plate, lower plate includes three lower plates being independently arranged, wherein, anchor rod component includes the first anchor pole and the second anchor pole, upper plate short column is affixed by the first anchor pole with upper plate, it is affixed that upper plate with three lower plates passes through the second anchor pole respectively, the upper surface and/or lower surface of upper plate are provided with the first arrangement of reinforcement, the upper surface and/or lower surface of lower plate are provided with the second arrangement of reinforcement；The design method of anchor pole includes: step 1: carrying out the dimensional structure design of anchor pole；Step 2: the dimensional structure of the anchor pole according to obtained in step 1 carries out foundation bolt design, finally completes the design of entire anchor pole.The invention enables anchor pole material properties and transmission tower foundation bolt to be consistent, and improves the durability of anchor pole.)
1. the design method that transmission line of electricity combines the anchor pole of three anchor slab foundation structure of plate stem, which is characterized in that
Three anchor slab basis fixed structure includes upper plate short column (3), plate group and anchor rod component,
Wherein, the plate group includes top-down upper plate (1) and lower plate, and the lower plate includes three and is independently arranged Lower plate (2), and
In the state of constructing completion, the upper plate (1) and the lower plate (2) are embedded in underground, the upper plate short column (3) At least part is exposed to environment；
Wherein, the anchor rod component includes the first anchor pole (4) and the second anchor pole (5), and the upper plate short column (3) and upper plate (1) are logical It is affixed to cross the first anchor pole (4), the upper plate (1) and three lower plates (2) are affixed by the second anchor pole (5) respectively, the upper plate (1) Upper surface and/or lower surface be provided with the first arrangement of reinforcement, the upper surface and/or lower surface of the lower plate (2) are provided with second and match Muscle；
The design method of the anchor pole includes:
Step 1: carrying out the dimensional structure design of anchor pole；
Step 2: the structure size of the anchor pole according to obtained in step 1 carries out foundation bolt design, finally completes entire anchor The design of bar.
2. the design method of anchor pole according to claim 1, which is characterized in that in step 1, the structure of the anchor pole is designed Calculating and Soil Anchor Design including anchor pole uplift force.
3. the design method of anchor pole according to claim 2, which is characterized in that the calculating of the anchor pole uplift force are as follows: In Basis carries out in the case of pulling out, and is the anchorage that basic upper plate provides according to the anchor pole, obtain the anchor pole on pull out Power is T '.
4. the design method of anchor pole according to claim 2, which is characterized in that the Soil Anchor Design is specially according to formula (1) the sectional area A of anchor pole is determineds:
Wherein, 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 anchor pole according to claim 4, which is characterized in that the fptkWith the KtValue all in accordance with It is determined in DL/T5219-2005 aerial power transmission line basic engineering technical stipulation.
6. the design method of anchor pole according to claim 1, which is characterized in that in step 2, the design of the foundation bolt Specifically include the dimensions of determining foundation bolt and accessory corresponding with foundation bolt and anchor pole.
7. the design method of anchor pole according to claim 1, which is characterized in that the outer layer design of the anchor pole has preserving timber Material and anticorrosive casing pipe.
Technical field
The invention belongs to electric power line pole tower equipment technical fields, and in particular to a kind of transmission line of electricity joint three anchor slab of plate stem The design method of the anchor pole of foundation 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.Therefore, in conclusion current transmission of electricity Inconvenient ask is detected after overhead line structures foundation structure is primarily present complicated construction technique, and construction quality is not easy to control and work Topic.
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 three anchor slab foundation structure of plate stem, it is intended to Solve the existing complicated construction technique of current transmission line tower foundation structure, and after construction quality is not easy to control and work In detection inconvenience the problem of at least part.
The technical scheme adopted by the invention is that
A kind of design method of the anchor pole of transmission line of electricity joint three anchor slab basis fixed structure of plate stem,
Three anchor slab basis fixed structures include upper plate short column, plate group and anchor rod component,
Wherein, plate group includes top-down upper plate and lower plate, and lower plate includes three lower plates being independently arranged, and And
In the state of constructing completion, upper plate and lower plate are embedded in underground, and at least part of upper plate short column is exposed to Environment；
Wherein, anchor rod component includes the first anchor pole and the second anchor pole, and upper plate short column is affixed by the first anchor pole with upper plate, on Plate passes through that the second anchor pole is affixed with three lower plates respectively, and the upper surface and/or lower surface of upper plate are provided with the first arrangement of reinforcement, lower plate Upper surface and/or lower surface are provided with the second arrangement of reinforcement；
The design method of anchor pole includes:
Step 1: carrying out the dimensional structure design of anchor pole；
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 basis carries out, resisted according to anchor pole for what basic upper plate provided It topples power, the uplift force for obtaining anchor pole is T '.
Soil Anchor Design is specially the sectional area A that anchor pole is determined according to formula (1)s:
Wherein, 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；
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 side of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention Method is based on anchor pole pulling plate technology, and by referring to " DL/T 5219-2005 aerial power transmission line basic engineering technical stipulation " In regulation comprehensive design have developed transmission line of electricity joint three anchor slab basic type structure of plate stem, the design method of anchor pole of the present invention Can more stability fundamental structure, improve the durability of anchor pole.
Detailed description of the invention
Fig. 1 is joint plate stem three in the design method of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention The schematic diagram of anchor slab foundation structure；
Fig. 2 is joint plate stem three in the design method of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention The schematic perspective view of anchor slab foundation structure；
Fig. 3 is the second anchor pole in the design method of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention Structural schematic diagram；
Fig. 4 is that the stress of lower plate in the design method of transmission line of electricity joint three anchor slab foundation structure anchor pole of plate stem of the present invention is shown It is intended to；
Fig. 5 is that bolt shaft is surveyed in the design method of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention Anti-corrosive cover schematic diagram.
In figure, 1. upper plates, 2. lower plates, 3. upper plate short columns, 4. first anchor poles, 5. second anchor poles, 6. protective caps, 7. bottom steel Plate, 8. foot pedals, 9. anti-corrosion pipe sleeves, 10. anti-corrosion materials.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of design method of the anchor pole of transmission line of electricity joint three anchor slab foundation structure of plate stem of the present invention,
As depicted in figs. 1 and 2, three anchor slab basis fixed structures include upper plate short column 3, plate group and anchor rod component,
Wherein, plate group includes top-down upper plate 1 and lower plate, and lower plate includes three lower plates being independently arranged 2, And
In the state of constructing completion, upper plate 1 and lower plate 2 are embedded in underground, at least part exposure of upper plate short column 3 In environment；
Wherein, as shown in Figure 3 and Figure 4, anchor rod component includes the first anchor pole 4 and the second anchor pole 5, upper plate short column 3 and upper plate 1 Affixed by the first anchor pole 4, upper plate 1 and three lower plates 2 are affixed by the second anchor pole 5 respectively, the upper surface of upper plate 1 and/or under Surface is provided with the first arrangement of reinforcement, and the upper surface and/or lower surface of lower plate 2 are provided with the second arrangement of reinforcement；
The design method of anchor pole includes:
Step 1: carrying out the dimensional structure design of anchor pole；
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.
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 basis carries out, resisted according to anchor pole for what basic upper plate provided It topples power, the uplift force for obtaining the anchor pole is T '.
Soil Anchor Design is specially the sectional area A that anchor pole is determined according to formula (1)s:
Wherein, 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；
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.
As shown in figure 5, the outer layer design of anchor pole has anti-corrosion material and anticorrosive casing pipe.
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