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厂家解读确保门式脚手安全稳定的措施

发(fa)布时间:2020-11-15人气:102
  银川市场脚手架价格仍将延续上涨态势成交平平银川市场脚手架价格小幅上涨,市场成交一般。从市场来看,今日银川市场各脚手架厂家均上调销售价格,市场成交平平。近期,受酒钢上调银川地区脚手架价格影响,银川脚手架市场脚手架厂家挺价意愿较强,纷纷 上调市…

门式脚手架除了结构稳定、承载力大的特点,在使用时必须增加一些构造措施,才能增强门架的支撑能力,这也是门式脚手架能够做到安全不倒的诀窍。高度在4.5 m以上的高支模在施工前必须由施工单位编制专项技术方案。技术方应包括模板及其支统的设计、搭设及拆除,混凝土浇筑方法,浇筑过程观测及安全控制要求等方面内容。没有编制技术方案的不得施工。此外,门式脚手架产品的轻型化使得它拆装方便,也就减轻了建筑工人的劳动强度,脚手架的设计趋向轻型化,选用内外源动性钢管,在生产环节的钢材耗材量比传统的钢管式脚手架节约40%以上。因此,在建筑施工拆装方面减轻了作业人员的劳动强度,使他们在作业中没 有那么累,精神状况也就相对好了,安全系数自然上升。

In addition to the characteristics of stable structure and large bearing capacity, some structural measures must be added to enhance the supporting capacity of the portal scaffolding. This is also the knack of the portal scaffolding to be safe. High formwork with a height of 4.5 m or more must be prepared by the construction unit before construction. The technical side should include the design, erection and demolition of formwork and its branches, concrete pouring method, observation of pouring process and safety control requirements. No construction shall be carried out without drawing up technical plans. In addition, the portal scaffolding product lightweight makes it easy to disassemble and assemble, which also reduces the labor intensity of construction workers. The design of scaffolding tends to be lightweight. The steel consumption in production link is more than 40% less than that of traditional steel tube scaffolding. Therefore, in the construction of disassembly and assembly to reduce the worker's labor intensity, so that they are not so tired in the operation, mental health is relatively good, the safety factor naturally rises.

安(an)装标准

Installation standard

门(men)(men)(men)式(shi)脚手架安装(zhuang)有(you)自己的(de)(de)标准,要(yao)(yao)整(zheng)(zheng)(zheng)齐划一,并在(zai)相互垂(chui)直的(de)(de)两个(ge)方向上(shang)有(you)保(bao)证其(qi)稳(wen)定的(de)(de)支(zhi)撑(cheng)系统,在(zai)搭设(she)(she)(she)之前要(yao)(yao)在(zai)实(shi)地按(an)设(she)(she)(she)计要(yao)(yao)求严格放线。门(men)(men)(men)架支(zhi)撑(cheng)安装(zhuang)时要(yao)(yao)求每安装(zhuang)一层门(men)(men)(men)架就(jiu)要(yao)(yao)加一道(dao)48 x 3.5钢管水(shui)(shui)平拉(la)杆(gan)将其(qi)扣住。纵(zong)横向垂(chui)直 剪刀撑(cheng)按(an)间距小(xiao)于(yu)(yu)6m布置(zhi)。门(men)(men)(men)式(shi)钢管脚手架支(zhi)撑(cheng)受(shou)(shou)力(li)(li)主要(yao)(yao)靠(kao)支(zhi)撑(cheng)架整(zheng)(zheng)(zheng)体(ti)受(shou)(shou)力(li)(li),要(yao)(yao)发挥这(zhei)种整(zheng)(zheng)(zheng)体(ti)效应,就(jiu)要(yao)(yao)靠(kao)纵(zong)横向水(shui)(shui)平拉(la)杆(gan)和(he)纵(zong)横向垂(chui)直剪刀撑(cheng)将各榀单薄(bo)的(de)(de)门(men)(men)(men)架“捆绑” 连(lian)接起来(lai)。如(ru)果不设(she)(she)(she)置(zhi)纵(zong)横向水(shui)(shui)平拉(la)杆(gan)和(he)纵(zong)横向垂(chui)直剪刀撑(cheng),就(jiu)好像筷子一样容易(yi)折断,门(men)(men)(men)架支(zhi)撑(cheng)就(jiu)极易(yi)坍塌,这(zhei)种情况必须杜绝(jue)。可调托(tuo)座(zuo)(底座(zuo))调节螺栓伸出长(zhang)度(du)不宜大于(yu)(yu)200 mm,当可调托(tuo)座(zuo)(含(han)底座(zuo))的(de)(de)螺栓伸出长(zhang)度(du)大于(yu)(yu)200 mm时,可采取增加一道(dao)水(shui)(shui)平拉(la)杆(gan)的(de)(de)固定措(cuo)施(shi)。许多操(cao)作(zuo)工人(ren)不了解这(zhei)一点, 把螺栓拧(ning)出较长(zhang),又不采取措(cuo)施(shi)加固,使(shi)门(men)(men)(men)架受(shou)(shou)力(li)(li)大打(da)折扣,往(wang)往(wang)导致坍塌事故发生。

Portal scaffolding installation has its own standards, to be uniform, and in the two directions perpendicular to each other to ensure the stability of the support system, in the field before the installation of stringent line according to the design requirements. When the portal support is installed, it is required that a 48 x 3.5 steel pipe horizontal tie rod be added to each floor of the portal frame to fasten it. Longitudinal and transverse vertical scissors are arranged in spacing less than 6m. The support force of portal steel tubular scaffolding mainly depends on the overall force of the support frame. To exert this overall effect, it is necessary to "bundle" each thin portal frame by means of longitudinal and horizontal horizontal horizontal tie rods and vertical and horizontal scissors. If there is no vertical and horizontal horizontal tie rod and vertical scissors brace, it is as easy to break as chopsticks, and the portal frame support is very easy to collapse. This situation must be eliminated. The extension length of adjustable bracket (base) adjusting bolt should not be greater than 200 mm. When the extension length of adjustable bracket (including base) bolt is greater than 200 mm, a fixed measure of adding a horizontal tie rod can be adopted. Many operators do not understand this point. They twist the bolts out for a long time without taking measures to reinforce them, which greatly reduces the stress of the portal frame and often leads to collapse accidents.

连(lian)接(jie)(jie)构建方面(mian),门(men)架的各种(zhong)连(lian)接(jie)(jie)扣件螺(luo)栓拧(ning)紧(jin)扭力矩在(zai)(zai)40~65 N-m之间,以防(fang)构件不能有效承 力或被破(po)坏,搭设完成后用(yong)(yong)扳手随(sui)(sui) 机抽(chou)样检查,不合格的必(bi)须重新(xin)拧(ning)紧(jin),直(zhi)至合格为止。不允许缺少连(lian)接(jie)(jie)构件或螺(luo)栓拧(ning)而不紧(jin)或在(zai)(zai)安装后随(sui)(sui)意拆(chai)卸(xie),使门(men)式脚手架发生(sheng)变形 而受到破(po)坏。支撑(cheng)立(li)杆要垂(chui)直(zhi),纵(zong)横向水(shui)平杆要平整(zheng)。立(li)杆应尽量(liang)采 用(yong)(yong)通长钢(gang)管(guan),如需接(jie)(jie)管(guan),接(jie)(jie)头要错开,不在(zai)(zai)同一步距内,立(li)杆口必(bi)须按规(gui) 范对接(jie)(jie),确保架体垂(chui)直(zhi)度(du)。相(xiang)邻的两根纵(zong)向水(shui)平杆的接(jie)(jie)头要互(hu)相(xiang)交错,接(jie)(jie)驳口必(bi)须按规(gui)范对接(jie)(jie)。

In connection construction, the bolt tightening torque of all kinds of connection fasteners of portal frame is between 40 and 65 N-m, in order to prevent members from being effectively loaded or destroyed, random sampling inspection with spanners after erection is completed, and unqualified fasteners must be tightened again until they are qualified. It is not allowed to lack connection members or bolts to be screwed tightly or to be disassembled at will after installation, so that the portal scaffolding will be deformed and damaged. The supporting poles should be vertical and the horizontal and vertical poles should be flat. The vertical pole should be as long as possible. If the pipe needs to be taken over, the joint should be staggered and not in the same step. The vertical of the vertical pole must be docked in accordance with the specifications to ensure the verticality of the frame. The joints of two adjacent vertical horizontal poles should be interlaced with each other, and the joints must be docked in accordance with the specifications.

事(shi)故抢(qiang)救措施

Accident rescue measures

若发生脚手架坍塌事故不要盲目去抢险,如有危及用电安全的突发事件应立刻切断电源,在确认没有继续坍塌危险的情况下组织抢救人员,采取有效措施进行抢救工作,首先抢救受伤人员,再抢救财产。只有注意了这些事项,采取了这些加强门式移动脚手架支撑的构造措施,门式移动脚手架才能有效、安全地发挥作用,也才能最大限度地防止作业人员发生高处坠落现象。

If there is a scaffold collapse accident, don't blindly rescue. If there is an emergency that endangers the safety of electricity use, the power supply should be cut off immediately. When it is confirmed that there is no danger of continued collapse, rescuers should be organized and effective measures should be taken to rescue. First, the injured should be rescued, and then property should be rescued. Only by paying attention to these matters and adopting these structural measures to strengthen the support of portal scaffolding, can the portal scaffolding play an effective and safe role, and can it prevent workers from falling at high altitudes to the utmost. 

  今日无锡脚手架价格窄幅调整市场成交一般无锡脚手架价格窄幅调整,市场方面,今日本地市价窄幅调整,今晨华北地区钢坯上涨20元/吨,加之中美贸易战利好提振,因此市场上贸易商纷纷小幅上调10元。但因相关联品 种库存高价格低,打压脚手架市场,为促成交市场多…
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