Transmission line of electricity combines the design method of the anchor pole of the double anchor slab foundation structures of plate stem
阅读说明：本技术 输电线路联合板杆双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 the double anchor slab foundation structures 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双锚板基础结构的锚杆的设计方法,双锚板基础固定结构包括板柱、板件组和锚杆组件,板件组包括自上而下的上板和两个独立设置的下板,并且在施工完成的状态下,上板和下板均埋设于地下,板柱的至少一部分暴露于环境；锚杆组件包括第一锚杆和第二锚杆,板柱与上板通过第一锚杆固接,上板与两个下板分别通过第二锚杆固接,上板和下板和/或下板的表面设置有配筋；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。(The invention discloses a kind of design methods of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem, double anchor slab bases fixed structure includes sheet-pile, plate group and anchor rod component, plate group includes top-down upper plate and two lower plates being independently arranged, and in the state of constructing completion, upper plate and lower plate are embedded in underground, and at least part of sheet-pile is exposed to environment；Anchor rod component includes the first anchor pole and the second anchor pole, and it is affixed that sheet-pile and upper plate pass through the first anchor pole, and upper plate passes through that the second anchor pole is affixed with two lower plates respectively, and the surface of upper plate and lower plate and/or lower plate is provided with 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 present invention not only improves anchor pole and transmits withdrawal resistance in bottom plate, also improves the durability of anchor pole.)
1. the design method that transmission line of electricity combines the anchor pole of the double anchor slab foundation structures of plate stem, which is characterized in that
Double anchor slab bases fixed structure includes sheet-pile, plate group and anchor rod component,
Wherein, the plate group includes top-down upper plate (1) and lower plate, and the lower plate includes two and is independently arranged Lower plate (2), and
Construct complete in the state of, the upper plate (1) and the lower plate (2) are embedded in underground, at least the one of the sheet-pile Part is exposed to environment；
Wherein, the anchor rod component includes the first anchor pole (5) and the second anchor pole (6), and the sheet-pile and upper plate (1) pass through the first anchor Bar (5) is affixed, and the upper plate (1) and two lower plates (2) are affixed by the second anchor pole (6) respectively, the upper surface of the upper plate (1) And/or lower surface is provided with the first arrangement of reinforcement, 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 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 double anchor slabs of transmission line of electricity joint 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 the double anchor slab foundation structures of transmission line of electricity joint plate stem, it is intended to Complicated construction technique existing for the current double anchor slab foundation structures of transmission line of electricity joint plate stem is solved, and construction quality is not easy to control And the problem of at least part in inconvenience is detected after work.
The technical scheme adopted by the invention is that
A kind of design method of the anchor pole of the double anchor slab basis fixed structures of transmission line of electricity joint plate stem,
Double anchor slab bases fixed structure includes sheet-pile, plate group and anchor rod component,
Wherein, plate group includes top-down upper plate and lower plate, and lower plate includes two 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 sheet-pile is exposed to environment；
Wherein, anchor rod component includes the first anchor pole and the second anchor pole, and sheet-pile and upper plate are affixed by the first anchor pole, upper plate and Two lower plates pass through that the second anchor pole is affixed respectively, and the upper surface and/or lower surface of upper plate are provided with the first arrangement of reinforcement, the upper table of lower plate Face 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 the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention Method is applied in Retaining Wall Engineering based on anchor pole pulling plate technology, and design has developed the novel power transmission overhead line structures basis Pattern, anchor pole material property are consistent with transmission tower foundation bolt, and the present invention improves anchor pole and transmits withdrawal resistance on floor, Prestressed effect is provided to overall structure, while also improving the durability of anchor pole.
Detailed description of the invention
Fig. 1 is that joint plate stem is double in the design method of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention The schematic diagram of anchor slab foundation structure；
Fig. 2 is foundation structure in the design method of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention Schematic top plan view；
Fig. 3 is the first anchor pole in the design method of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention Structural schematic diagram；
Fig. 4 is the second anchor pole in the design method of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention Structural schematic diagram；
Fig. 5 is that bolt shaft is surveyed in the design method of the anchor pole of the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention Anti-corrosive cover schematic diagram.
In figure, 1. upper plates, 2. lower plates, 3. upper plate steel plates, 4. lower plate steel plates, 5. first anchor poles, 6. second anchor poles, 7. lower spiral shells Cap, 8. protective caps, 9. gaskets, 10. upper plate short columns, 11. foot pedals, 12. anti-corrosion pipe sleeves, 13 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 the double anchor slab foundation structures of transmission line of electricity joint plate stem of the present invention,
As depicted in figs. 1 and 2, a kind of design side of the anchor pole of the double anchor slab basis fixed structures of transmission line of electricity joint plate stem Method, which is characterized in that
Double anchor slab bases fixed structure includes sheet-pile, plate group and anchor rod component,
Wherein, plate group includes top-down upper plate and lower plate, and lower plate includes two 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 sheet-pile is exposed to environment；
As shown in Figure 3 and Figure 4, wherein anchor rod component includes the first anchor pole and the second anchor pole, and sheet-pile and upper plate pass through first Anchor pole is affixed, and upper plate passes through that the second anchor pole is affixed with two lower plates respectively, and the upper surface and/or lower surface of upper plate are provided with 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 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.
- 上一篇：一种医用注射器针头装配设备
- 下一篇：一种输电线路联合板杆的双锚板基础固定结构