WO2021036026A1 - 预拼装核心筒内临时操作平台及其施工方法 - Google Patents

预拼装核心筒内临时操作平台及其施工方法 Download PDF

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Publication number
WO2021036026A1
WO2021036026A1 PCT/CN2019/119901 CN2019119901W WO2021036026A1 WO 2021036026 A1 WO2021036026 A1 WO 2021036026A1 CN 2019119901 W CN2019119901 W CN 2019119901W WO 2021036026 A1 WO2021036026 A1 WO 2021036026A1
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platform
core tube
fixed plate
sides
wooden
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PCT/CN2019/119901
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English (en)
French (fr)
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王宇
李永刚
阮晶
梁建勋
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上海宝冶集团有限公司
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Publication of WO2021036026A1 publication Critical patent/WO2021036026A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls

Definitions

  • the invention relates to the field of building construction, in particular to a temporary operating platform in a pre-assembled core tube and a construction method thereof.
  • the core tube serves as an important lateral force resistance component of the multi-story shear wall structure or frame-shear wall, and generally functions as an elevator shaft or stairwell.
  • the core tube When constructing the core tube at the construction site, it is often necessary to erect a platform inside it, and it is usually full of scaffolding, the height of which varies with the height of the building all the way to the top. A lot of materials and labor are wasted, the efficiency is low and there are huge safety risks.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings and provide a temporary operating platform in the pre-assembled core cylinder with convenient operation and high safety and a construction method thereof.
  • a temporary operating platform in a pre-assembled core tube including a fixed plate slot, a rotatable fixed plate, a bayonet, a baffle, a platform, a lifting lug, and a wooden square, which are pre-buried on both sides of the core tube wall before concrete pouring.
  • Wooden springboard where rotatable fixed plates are arranged on both sides of the bottom of the platform, and the bayonet and baffle are arranged behind the fixed plate, that is, the inner side of the platform.
  • the bayonet and baffle are used to limit the fixed plate Rotation of the platform, so that it can be positioned; lifting lugs are set on both sides of the platform, and wooden spring boards are laid on the platform and reinforced with wooden beams.
  • the construction method of the temporary operating platform in the pre-assembled core tube includes
  • Step 1 Before pouring the floor beams and slabs, embed pre-embedded slots made of welded steel plates at a distance of 1m on both sides of the vertical wall of the core tube; the slots need to be checked for the local compressive bearing capacity of concrete according to the actual project span and steel beam spacing , If it is not satisfied, the spacing between the card slot and the channel steel beam needs to be adjusted;
  • Step 2 Use channel steel as the main beam, install a rotatable platform fixing plate between the channel steels, the fixed plate can be rotated around the pin shaft, and the two sides of the fixed plate are installed on both sides of the fixed plate to limit the rotation of the fixed plate and the baffle 5; welded on the channel steel
  • the lifting lugs, the wooden beams and the wooden springboard are fixed and fixed; the springboard has holes for hoisting; after the vertical wall of the core tube is removed, the assembled platform is hoisted into the core tube, and the rotatable fixed plate is fixed to the embedded card In the groove, it is locked by the bayonet and the baffle;
  • Step 3 After the platform is installed in place, it can be used as a construction platform, or scaffolding with steel reinforcement can be erected on it;
  • Step 4 After pouring and demoulding of the platform on the next floor, the platform can be directly hoisted to the next floor, and the fixed plate will be automatically separated from the card slot when hoisting;
  • Step 5 After the platform is removed, the card slot is taken out and filled with grout; the steel bar is not cut when the card slot is installed, and it is filled with grout after use, which will not weaken the bearing capacity of the core tube.
  • High safety the platform is firmly connected to the reserved card slot, there are no vacancies around, and there is no risk of falling objects from high altitude.
  • the platform itself can be assembled outside the construction site, and can be gradually raised with the floor.
  • a scaffold with a small height can be set up on the platform for steel lashing and other operations.
  • Figure 1 is the first schematic diagram of the construction sequence of the present invention.
  • Figure 2 is the second schematic diagram of the construction sequence of the present invention.
  • Figure 3 is the third schematic diagram of the construction sequence of the present invention.
  • Figure 4 is a fourth schematic diagram of the construction sequence of the present invention.
  • Figure 5 is the fifth schematic diagram of the construction sequence of the present invention.
  • Figure 6 is the sixth schematic diagram of the construction sequence of the present invention.
  • a temporary operating platform in a pre-assembled core tube including a fixed plate slot, a rotatable fixed plate, a bayonet, a baffle, a platform, a lifting lug, and a wooden square, which are pre-buried on both sides of the core tube wall before concrete pouring.
  • Wooden springboard in which the two sides of the bottom of the platform are provided with rotatable fixed plates, and the bayonet and baffle are arranged behind the fixed plate, that is, the inner side of the platform.
  • the bayonet and baffle are used to limit the fixed plate Rotation of the platform so that it can be positioned; lifting lugs are set on both sides of the platform, and wooden springboards are laid on the platform and reinforced with wooden beams.
  • the construction method of the temporary operating platform in the pre-assembled core tube includes
  • Step 1 Before pouring the floor beams and slabs, embed pre-embedded slots made of welded steel plates at a distance of 1m on both sides of the vertical wall of the core tube; the slots need to be checked for the local compressive bearing capacity of concrete according to the actual project span and steel beam spacing , If it is not satisfied, the spacing between the card slot and the channel steel beam needs to be adjusted;
  • Step 2 Use channel steel as the main beam, install a rotatable platform fixing plate between the channel steels, the fixed plate can be rotated around the pin shaft, and the two sides of the fixed plate are installed on both sides of the fixed plate to limit the rotation of the fixed plate and the baffle 5; welded on the channel steel
  • the lifting lugs, the wooden beams and the wooden springboard are fixed and fixed; the springboard has holes for hoisting; after the vertical wall of the core tube is removed, the assembled platform is hoisted into the core tube, and the rotatable fixed plate is fixed to the embedded card In the groove, it is locked by the bayonet and the baffle;
  • Step 3 After the platform is installed in place, it can be used as a construction platform, or scaffolding with steel reinforcement can be erected on it;
  • Step 4 After pouring and demoulding of the platform on the next floor, the platform can be directly hoisted to the next floor, and the fixed plate will be automatically separated from the card slot when hoisting;
  • Step 5 After the platform is removed, the card slot is taken out and filled with grout; the steel bar is not cut when the card slot is installed, and it is filled with grout after use, which will not weaken the bearing capacity of the core tube.
  • the platform After the platform is installed in place, it can be used as a construction platform, or scaffolding with steel reinforcement can be erected on it.
  • the platform After pouring and demoulding of the platform on the next floor, the platform can be directly hoisted to the next floor, and the fixed plate 2 will automatically disengage from the slot 1 when hoisting.
  • High safety the platform is firmly connected to the reserved card slot, there are no vacancies around, and there is no risk of falling objects from high altitude.
  • the platform itself can be assembled outside the construction site, and can be gradually raised with the floor.
  • a scaffold with a small height can be set up on the platform for steel lashing and other operations.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

一种预拼装核心筒内临时操作平台及其施工方法。操作平台包括预埋在核心筒壁两侧的固定板卡槽（1）、可转动的固定板（2）、卡销（4）、挡板（5）、平台、吊耳（7）、木枋（8）和木跳板（9）；其中平台底部两侧设置可转动的固定板（2），在固定板（2）的后方即平台的内侧设置卡销（4）和挡板（5），当操作平台安装就位后，卡销（4）和挡板（5）用于限制固定板（2）的转动；平台两侧设置吊耳（7），平台上铺设木跳板（9）并用木枋（8）加固。施工方法包括如下步骤：1、埋设固定板卡槽（1）；2、将组装好的平台吊装至核心筒内使平台固定板（2）与卡槽（1）通过卡销（4）和挡板（5）稳固连接；3、平台拆除后将卡槽（1）取出并用灌浆料对此处进行灌浆。该操作平台连接稳固且在施工现场外拼装，并随层逐步提升，节省了脚手架材料。

Description

预拼装核心筒内临时操作平台及其施工方法 技术领域
本发明涉及建筑施工领域，具体是一种预拼装核心筒内临时操作平台及其施工方法。
背景技术
核心筒作为多高层剪力墙结构或者框架-剪力墙的重要抗侧力构件，一般建筑功能作为电梯井或楼梯间。施工现场在施工核心筒时，常常需要在其内部架设平台，且通常为满堂脚手架，高度随建筑高度一直到顶。浪费了大量的材料及人工，效率低下且存在巨大的安全隐患。
发明内容
本发明的目的在于克服上述缺陷，提供一种作业方便并且安全性高的预拼装核心筒内临时操作平台及其施工方法。
为了达到上述目的，本发明是这样实现的：
一种预拼装核心筒内临时操作平台，包括混凝土浇筑前预埋在和核心筒壁两侧的固定板卡槽、可转动的固定板、卡销、挡板、平台、吊耳和木方、木跳板，其中，平台底部两侧设置可转动的固定板，在固定板的后方即平台的内侧设置卡销和挡板，当操作平台安装就位后，卡销和挡板用于限制固定板的转动，从而使其定位；平台两侧设置吊耳，在平台上铺设木跳板并用木枋加固。
所述预拼装核心筒内临时操作平台的施工方法，包括
步骤1、楼层梁板浇筑前，在核心筒竖壁两侧按间距1m埋设由焊接钢板制作的预埋卡槽；卡槽需按照实际工程的跨度及钢梁间距进行混凝土局部受压承载力验算，若不满足时需要调整卡槽及槽钢梁间距；
步骤2、用槽钢做主梁，槽钢之间安装可转动的平台固定板，固定板可绕销轴转动，固定板两侧安装限制固定板转动的卡销以及挡板5；槽钢上焊接吊耳，铺木枋以及木跳板后固定好；跳板上开孔用于吊装；核心筒竖壁拆模后将已经拼装好的平台吊装到核心筒内，可转动的固定板固定到预埋卡槽内，由卡销及挡板锁死；
步骤3、平台安装就位后可以当做施工平台，也可在上面搭设钢筋绑扎的脚手架；
步骤4、下一层平台浇筑完成拆模后，此平台可直接吊装至下一层，起吊时固定板自动与卡槽脱开；
步骤5、平台拆除后将卡槽取出，后用灌浆料将此处灌满；卡槽安装时未切断钢筋，使用完成后用灌浆料灌满，对核心筒承载力无削弱。
本平台具有以下优点：
1、安全性高：平台与预留卡槽连接稳固，四周无空缺，没有高空坠物风险。
2、操作简便：平台本身可在施工现场外拼装，且可以随层逐步提升。
3、节约材料：不使用满堂脚手架，省去了脚手架材料；平台周转效率高，节约了材料。
4、适用范围广：适用于一般多、高层建筑电梯井的土建及砌筑阶段施工。可在平台上搭设高度较小的脚手架进行钢筋绑扎等作业。
附图说明
图1为本发明施工顺序示意图一。
图2为本发明施工顺序示意图二。
图3为本发明施工顺序示意图三。
图4为本发明施工顺序示意图四。
图5为本发明施工顺序示意图五。
图6为本发明施工顺序示意图六。
具体实施方式
以下通过具体实施例进一步说明本发明。
一种预拼装核心筒内临时操作平台，包括混凝土浇筑前预埋在和核心筒壁两侧的固定板卡槽、可转动的固定板、卡销、挡板、平台、吊耳和木方、木跳板，其中，平台底部两侧设置可转动的固定板，在固定板的后方即平台的内侧设置卡销和挡板，当操作平台安装就位后，卡销和挡板用于限制固定板的转动，从而使其定位；平台两侧设置吊耳，在平台上铺设木跳板并用木枋加固。
所述预拼装核心筒内临时操作平台的施工方法，包括
步骤1、楼层梁板浇筑前，在核心筒竖壁两侧按间距1m埋设由焊接钢板制作的预埋卡槽；卡槽需按照实际工程的跨度及钢梁间距进行混凝土局部受压承载力验算，若不满足时需要调整卡槽及槽钢梁间距；
步骤2、用槽钢做主梁，槽钢之间安装可转动的平台固定板，固定板可绕销轴转动，固定板两侧安装限制固定板转动的卡销以及挡板5；槽钢上焊接吊耳，铺木枋以及木跳板后固定好；跳板上开孔用于吊装；核心筒竖壁拆模后将已经拼装好的平台吊装到核心筒内，可转动的固定板固定到预埋卡槽内，由卡销及挡板锁死；
步骤3、平台安装就位后可以当做施工平台，也可在上面搭设钢筋绑扎的脚手架；
步骤4、下一层平台浇筑完成拆模后，此平台可直接吊装至下一层，起吊时固定板自动与卡槽脱开；
步骤5、平台拆除后将卡槽取出，后用灌浆料将此处灌满；卡槽安装时未切断钢筋，使用完成后用灌浆料灌满，对核心筒承载力无削弱。
如图1～图6所示，在实际作业时，本临时平台的搭建及其使用方法可以按下述步骤实施
a)楼层梁板浇筑前，在核心筒竖壁两侧按间距1m埋设由焊接钢板制作的预埋卡槽1(如图1所示)。卡槽需按照实际工程的跨度及钢梁间距进行混凝土局部受压承载力验算，若不满足时需要调整卡槽及槽钢梁间距。
b)用][12槽钢6做主梁，槽钢之间安装可转动的平台固定板2，固定板可绕销轴3转动，固定板两侧安装限制固定板转动的卡销4以及挡板5。槽钢上焊接吊耳7，铺木枋8以及木跳板9后固定好。跳板上开孔10用于吊装。核心筒竖壁拆模后将已经拼装好的平台吊装到核心筒内，可转动的固定板固定到步骤a所述的预埋卡槽1内，由卡销4及挡板5锁死。(如图2所示)
c)平台安装就位后可以当做施工平台，也可在上面搭设钢筋绑扎的脚手架。
d)下一层平台浇筑完成拆模后，此平台可直接吊装至下一层，起吊时固定板2自动与卡槽1脱开。
e)平台拆除后将卡槽1取出，后用灌浆料将此处灌满。卡槽1安装时未切断钢筋，使用完成后用灌浆料灌满，对核心筒承载力无削弱。
本平台具有以下优点：
1、安全性高：平台与预留卡槽连接稳固，四周无空缺，没有高空坠物风险。
2、操作简便：平台本身可在施工现场外拼装，且可以随层逐步提升。
3、节约材料：不使用满堂脚手架，省去了脚手架材料；平台周转效率高，节约了材料。
4、适用范围广：适用于一般多、高层建筑电梯井的土建及砌筑阶段施工。可在平台上搭设高度较小的脚手架进行钢筋绑扎等作业。

Claims (2)

  1. 一种预拼装核心筒内临时操作平台，其特征是：包括混凝土浇筑前预埋在和核心筒壁两侧的固定板卡槽、可转动的固定板、卡销、挡板、平台、吊耳和木方、木跳板，其中，平台底部两侧设置可转动的固定板，在固定板的后方即平台的内侧设置卡销和挡板，当操作平台安装就位后，卡销和挡板用于限制固定板的转动，从而使其定位；平台两侧设置吊耳，在平台上铺设木跳板并用木枋加固。
  2. 权利要求1所述预拼装核心筒内临时操作平台的施工方法，其特征是：包括
    步骤1、楼层梁板浇筑前，在核心筒竖壁两侧按间距1m埋设由焊接钢板制作的预埋卡槽；卡槽需按照实际工程的跨度及钢梁间距进行混凝土局部受压承载力验算，若不满足时需要调整卡槽及槽钢梁间距；
    步骤2、用槽钢做主梁，槽钢之间安装可转动的平台固定板，固定板可绕销轴转动，固定板两侧安装限制固定板转动的卡销以及挡板5；槽钢上焊接吊耳，铺木枋以及木跳板后固定好；跳板上开孔用于吊装；核心筒竖壁拆模后将已经拼装好的平台吊装到核心筒内，可转动的固定板固定到预埋卡槽内，由卡销及挡板锁死；
    步骤3、平台安装就位后可以当做施工平台，也可在上面搭设钢筋绑扎的脚手架；
    步骤4、下一层平台浇筑完成拆模后，此平台可直接吊装至下一层，起吊时固定板自动与卡槽脱开；
    步骤5、平台拆除后将卡槽取出，后用灌浆料将此处灌满；卡槽安装时未切断钢筋，使用完成后用灌浆料灌满，对核心筒承载力无削弱。
PCT/CN2019/119901 2019-08-31 2019-11-21 预拼装核心筒内临时操作平台及其施工方法 WO2021036026A1 (zh)

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