CN207812837U - A kind of distributed shear key suitable for steel column - Google Patents
A kind of distributed shear key suitable for steel column Download PDFInfo
- Publication number
- CN207812837U CN207812837U CN201721777595.7U CN201721777595U CN207812837U CN 207812837 U CN207812837 U CN 207812837U CN 201721777595 U CN201721777595 U CN 201721777595U CN 207812837 U CN207812837 U CN 207812837U
- Authority
- CN
- China
- Prior art keywords
- column
- shear key
- shear
- distributed
- steel column
- 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.)
- Expired - Fee Related
Links
Landscapes
- Foundations (AREA)
Abstract
本实用新型公开了一种适用于钢柱的分布式抗剪键，若干抗剪键分布于柱体底部，柱体的底侧设有若干地脚螺栓。通过将一体化柱体和抗剪键，并于柱下条基预留坑洞，模块化生产，解决了传统的预留钢柱脚底板抗剪件坑洞方案存在对抗剪键的约束能力有限、施工较为困难等问题，提高了施工效率；直接驳接柱体的抗剪键加强了柱脚抗剪力，有效增强抗剪键的可靠性，提升了柱脚抗剪冗余度，方便施工，确保钢柱顺利安装；且本结构可推广到其他采用钢柱作为支撑结构的变电结构之中，具有很强的实用性和广泛的适用性。
The utility model discloses a distributed anti-shear key suitable for a steel column. A plurality of anti-shear keys are distributed at the bottom of the column, and a plurality of anchor bolts are arranged on the bottom side of the column. By integrating the column and the shear key, and reserving a hole in the strip foundation under the column, modular production solves the problem of the constraint of the shear key in the traditional scheme of reserving the hole in the shear part of the steel column foot plate limited and difficult construction, etc., which improved the construction efficiency; the shear key directly connected to the column strengthened the shear force of the column foot, effectively enhanced the reliability of the shear key, and improved the shear redundancy of the column foot, which is convenient construction to ensure the smooth installation of steel columns; and this structure can be extended to other substation structures that use steel columns as supporting structures, and has strong practicability and wide applicability.
Description
技术领域technical field
本发明涉及一种抗剪键，具体涉及一种适用于钢柱的分布式抗剪键。The invention relates to a shear key, in particular to a distributed shear key suitable for steel columns.
背景技术Background technique
目前采用的预留钢柱脚底板抗剪件坑洞的方案主要有两种：基础上部钢筋保护层加厚，使得坑洞预留在保护层内；强制拨开基础上层钢筋，使得坑洞能够顺利预留。对于上述两种方法，主要有如下缺点：At present, there are two main schemes for reserving potholes in the shear parts of the steel column foot plate: thickening the protective layer of the upper reinforcement of the foundation, so that the potholes are reserved in the protective layer; Well reserved. For the above two methods, there are mainly the following disadvantages:
（1）、将基础上部钢筋保护层加厚（100mm~150mm左右），这不仅使得阀基或者条基的有效高度降低，影响基础的抗弯承载力，而且将抗剪键完全置于表面素混凝土内，混凝土对抗剪键的约束能力有限，容易出现表层砼破碎从而使得柱子滑移，造成安全事故。(1) Thicken the protective layer of reinforcement on the upper part of the foundation (about 100mm~150mm), which not only reduces the effective height of the valve base or strip base and affects the flexural bearing capacity of the foundation, but also places the shear key completely on the surface Inside the concrete, the concrete has limited ability to restrain the shear keys, and the surface layer of concrete is prone to breakage, which will cause the column to slip and cause safety accidents.
（2）、对于强制将上层钢筋拨开以预留坑洞的方法；由于上层钢筋一般均为受力主筋，直径在20mm以上，人工弯折极为困难，且将钢筋强制拨开后，钢筋变形，影响钢筋的受力，使得基础存在安全隐患。(2) For the method of forcing the upper layer of steel bars to be reserved to reserve holes; since the upper layer of steel bars are generally stressed main bars with a diameter of more than 20mm, manual bending is extremely difficult, and after the steel bars are forcibly pulled apart, the steel bars are deformed , affecting the force of the steel bar, making the foundation a potential safety hazard.
发明内容Contents of the invention
为解决现有技术的不足，本发明的目的在于提供一种提升了柱脚抗剪冗余度，方便施工的适用于钢柱的分布式抗剪键。In order to solve the deficiencies of the prior art, the object of the present invention is to provide a distributed shear key suitable for steel columns which increases the shear redundancy of the column foot and facilitates construction.
为了实现上述目标，本发明采用如下的技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种适用于钢柱的分布式抗剪键，若干抗剪键分布于柱体底部，所述柱体的底侧设有若干地脚螺栓。A distributed shear key suitable for a steel column, a plurality of shear keys are distributed at the bottom of the column, and a plurality of anchor bolts are arranged on the bottom side of the column.
上述抗剪键通过底板置于柱体底部。The above-mentioned shear key is placed at the bottom of the column through the bottom plate.
进一步的，上述底板的直径大于柱体的直径，且地脚螺栓设于底板上。Further, the diameter of the bottom plate is larger than that of the cylinder, and the anchor bolts are arranged on the bottom plate.
上述抗剪键成环形、“井”型或“田”型分布。The above-mentioned shear bonds are distributed in a ring, "well" or "field" shape.
上述抗剪键的外圈置于柱体壁的底部。The outer ring of the above-mentioned shear key is placed at the bottom of the cylinder wall.
上述地脚螺栓螺接柱下条基，抗剪键与柱下条基的预留坑洞匹配。The above-mentioned anchor bolts are screwed to the lower slab of the column, and the shear key matches the reserved hole in the lower slat of the column.
进一步的，上述柱下条基包括钢筋和混凝土。Further, the strip base under the column includes steel bars and concrete.
上述的一种适用于钢柱的分布式抗剪键的施工方法，包括以下步骤：The above-mentioned construction method for distributed shear keys applicable to steel columns comprises the following steps:
S1、钢筋、混凝土浇筑成柱下条基，浇筑时于顶部预留坑洞；S1. Steel bars and concrete are poured into the column foundation, and holes are reserved at the top during pouring;
S2、将上述柱下条基预埋入施工现场；S2. Pre-embed the strip foundation under the above-mentioned column into the construction site;
S3、将抗剪键预先焊接于柱体底部的底板或一体成型；S3. Pre-weld the shear key to the base plate at the bottom of the column or integrally form it;
S4、将柱体置于柱下条基顶部，匹配抗剪键和预留坑洞后，通过地脚螺栓固定柱体与柱下条基。S4. Place the column on the top of the column base, match the shear key and reserve the hole, and fix the column and the column base with anchor bolts.
本发明的有益之处在于：The benefits of the present invention are:
本发明的一种适用于钢柱的分布式抗剪键及施工方法，通过将一体化柱体和抗剪键，并于柱下条基预留坑洞，模块化生产，解决了传统的预留钢柱脚底板抗剪件坑洞方案存在对抗剪键的约束能力有限、施工较为困难等问题，提高了施工效率；直接驳接柱体的抗剪键加强了柱脚抗剪力，有效增强抗剪键的可靠性，提升了柱脚抗剪冗余度，方便施工，确保钢柱顺利安装；且本结构可推广到其他采用钢柱作为支撑结构的变电结构之中，具有很强的实用性和广泛的适用性。A distributed shear key and construction method suitable for steel columns of the present invention solves the traditional pre-planning problem by integrating the column body and the shear key, and reserving holes in the strip foundation under the column for modular production. The plan of retaining the steel column feet and the shear parts of the bottom plate has problems such as limited ability to restrain the shear keys and relatively difficult construction, which improves the construction efficiency; the shear keys directly connected to the columns strengthen the shear resistance of the column feet, effectively Enhance the reliability of the shear key, improve the shear redundancy of the column foot, facilitate construction, and ensure the smooth installation of the steel column; and this structure can be extended to other substation structures that use steel columns as supporting structures, and has strong practicability and wide applicability.
附图说明Description of drawings
图1为本发明的一种适用于钢柱的分布式抗剪键的结构示意图。Fig. 1 is a structural schematic diagram of a distributed shear key suitable for steel columns according to the present invention.
图2为本发明的一种适用于钢柱的分布式抗剪键的结构示意图的截面图。Fig. 2 is a cross-sectional view of a structural schematic diagram of a distributed shear key suitable for steel columns according to the present invention.
附图中标记的含义如下：1、柱下条基，2、柱体，3、地脚螺栓，4、底板，5、抗剪键，6、预留坑洞。The meanings of the marks in the attached drawings are as follows: 1. Column base, 2. Column body, 3. Anchor bolts, 4. Bottom plate, 5. Shear key, 6. Reserved pits.
具体实施方式Detailed ways
以下结合附图和具体实施例对本发明作具体的介绍。The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
一种适用于钢柱的分布式抗剪键，柱体截面为正方形，9个由Φ50*6的钢筋构成的抗剪键呈“田”型焊接于柱体底部的底板上，且抗剪键位于柱体壁的正下方。A distributed shear key suitable for steel columns. The cross-section of the column is square. Nine shear keys composed of Φ50*6 steel bars are welded on the base plate at the bottom of the column in a "field" shape, and the shear keys directly below the cylinder wall.
使用钢筋与混凝土浇筑柱下条基时，于顶部预留匹配抗剪键的预留坑洞，预留坑洞的尺寸可适当放大为长宽均为70mm，深100mm。在浇筑时，可多预留小尺寸的坑洞，与柱下条基的纵横向钢筋互不干扰，避免出现抗剪键坑洞由于节点区钢筋密集分布造成的预留困难。When steel bars and concrete are used to pour the column foundation, a reserved hole matching the shear key is reserved at the top, and the size of the reserved hole can be appropriately enlarged to a length and width of 70mm and a depth of 100mm. During pouring, more small-sized potholes can be reserved, which do not interfere with the vertical and horizontal reinforcement of the strip foundation under the column, so as to avoid the difficulty of reserving shear key pits due to the dense distribution of reinforcement in the joint area.
待钢柱运至现场就位后，抗剪键插入到预留的坑洞内，再浇筑高强度的无收缩细石混凝土填满缝隙，即可完成钢柱就位工作。After the steel column is transported to the site and placed in place, the shear key is inserted into the reserved hole, and then high-strength non-shrinking fine stone concrete is poured to fill the gap, and the steel column is completed.
通过4根分布于钢柱脚底板四角的地脚螺栓将钢柱与柱下条基进行连接固定。The steel column and the slat foundation under the column are connected and fixed by 4 anchor bolts distributed at the four corners of the steel column foot plate.
实际使用时，In actual use,
抗剪键的尺寸结合钢筋间的间距大小确定，同时，若需承受较大的柱脚剪力，其尺寸可相应增大。The size of the shear key is determined in combination with the spacing between the steel bars. At the same time, if it needs to bear a large shear force at the column foot, its size can be increased accordingly.
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，上述实施例不以任何形式限制本发明，凡采用等同替换或等效变换的方式所获得的技术方案，均落在本发明的保护范围内。The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777595.7U CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777595.7U CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207812837U true CN207812837U (en) | 2018-09-04 |
Family
ID=63332437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721777595.7U Expired - Fee Related CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207812837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130905A (en) * | 2019-05-10 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of shield tunnel circumferential weld shear structure of the vertical dislocation of adaptive act tomography |
| CN113266077A (en) * | 2021-05-11 | 2021-08-17 | 中交第一航务工程局有限公司 | Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage |
-
2017
- 2017-12-19 CN CN201721777595.7U patent/CN207812837U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130905A (en) * | 2019-05-10 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of shield tunnel circumferential weld shear structure of the vertical dislocation of adaptive act tomography |
| CN110130905B (en) * | 2019-05-10 | 2024-04-19 | 中铁第四勘察设计院集团有限公司 | Shield tunnel circumferential seam shearing-resistant structure adapting to vertical fault of movable fault |
| CN113266077A (en) * | 2021-05-11 | 2021-08-17 | 中交第一航务工程局有限公司 | Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104746422B (en) | A kind of hollow pier stud delay-pour joint structure of bridge prefabrication and construction method | |
| CN106988483B (en) | A prefabricated reinforced concrete U-shaped frame beam and its connecting steel frame | |
| CN208844417U (en) | A kind of outer precast construction for pier column and its outer prefabricated interior cast-in-place pier column | |
| CN101775783B (en) | Construction method by using sandbox as temporary support for continuous beam | |
| CN204589822U (en) | The two cantilever bent cap anchor ear Construction Support system of a kind of solely post | |
| CN103088842A (en) | Rubble retaining wall reinforced single-face pattern plate support system and construction method | |
| CN103469735B (en) | The installation method of the formwork of the solid section of the pier top of the hollow column and slab pier with curved superelevation | |
| CN204097864U (en) | A kind of bridge prefabrication hollow pier stud delay-pour joint structure | |
| CN104295109B (en) | Do not register one's residence balcony rapid reinforcement structure and construction method thereof in old community | |
| CN203174621U (en) | Tower crane foundation | |
| CN206486819U (en) | A kind of stable support body system for ensureing continuous beam cantilever casting construction | |
| CN207812837U (en) | A kind of distributed shear key suitable for steel column | |
| CN103452328B (en) | Post brutal bracing means and method is subtracted for reinforced concrete member | |
| CN104631850A (en) | Concrete column strengthening method of compressive pre-stress steel casing rebar planting extension cross section | |
| CN204326100U (en) | The Preserved node of covered back-digging side wall bar splice | |
| CN209775994U (en) | High strength sculpture structure | |
| CN203625915U (en) | Embedded creeping formwork structure in caisson prefabrication construction | |
| CN207109843U (en) | A kind of goaf transmission line foundation bracing means | |
| CN107558487A (en) | A kind of goaf transmission line foundation bracing means and reinforcement means | |
| CN207176527U (en) | Bridge Crack bracing means | |
| CN105863073B (en) | Coupled column and base node structure and its construction method with horizontal anti-seismic performance | |
| CN204098519U (en) | Do not register one's residence balcony rapid reinforcement structure in old community | |
| CN105822023B (en) | Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall | |
| CN103526698B (en) | Cast-in-cantilever construction 0# block concrete supporting system and construction method | |
| CN204126295U (en) | Outsourcing reinforcing bar ruggedized construction at the bottom of a kind of beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |