亚洲欧美一区二区不卡精品,国产av一区二区亚洲精品,欧美精品aaa久久久影院,国产成人亚洲精品自产在线,国产精品国产三级国AV,亚洲一区二区高清精品,久久精品免费一区二区三区 ,日韩在线精品观看视频,777米奇色狠狠俺去啦奇米77,日本在线视频www鲁啊鲁

建虎網(wǎng) 節(jié)省時(shí)間成本,讓工作學(xué)習(xí)變得更高效!www.xcky8.com

泥水工安全技術(shù)交底.doc

更新時(shí)間: 2024-03-01
下載權(quán)限: 免費(fèi)會(huì)員
文件大。 0.01 MB
文件類型: .doc
瀏覽次數(shù):
上傳會(huì)員: 龍龍
所屬欄目: 安全文明
進(jìn)入下載頁(yè)
資料簡(jiǎn)介

泥水工安全技術(shù)交底

一、砌體施工:
 ⒈挖掘土方,兩人操作間距保持2~3m,并由上而下逐層挖掘,禁止采取掏洞的操作方法。
 ⒉開挖溝槽、基坑等,應(yīng)根據(jù)土質(zhì)和現(xiàn)場(chǎng)施工員交底放坡,挖出的泥土應(yīng)堆放在坑槽邊1m以外,堆高不得超過(guò)1.5m。

 ⒊砌基礎(chǔ)時(shí),應(yīng)檢查和經(jīng)常注意基坑土質(zhì)變化情況,有無(wú)崩裂現(xiàn)象。堆放材料應(yīng)離開坑槽邊1m以上。當(dāng)基坑較須設(shè)護(hù)壁支撐時(shí),操作人員應(yīng)設(shè)梯子上下,不得攀跳,運(yùn)料不得碰撞支撐。

 ⒋墻身砌體高度超過(guò)1.2m時(shí),應(yīng)搭設(shè)腳手架。在一層以上或高度超過(guò)4m時(shí)采用里腳手架必須在墻外張掛安全網(wǎng),采用外腳手架應(yīng)綁護(hù)身欄桿后方準(zhǔn)操作。

 ⒌用內(nèi)架砌外墻時(shí),架板要低于外墻20cm,墻外按規(guī)定張掛安全網(wǎng)。
 ⒍腳手架上堆磚不得超過(guò)三皮,架子轉(zhuǎn)角處不得堆砧,除操作層外,上下皮架只允許堆零星材料,不得多層都堆料。

 ⒎在高處砌墻時(shí),轉(zhuǎn)砧應(yīng)面向墻面,工作完畢應(yīng)將腳手板和磚墻上的碎磚,灰漿清掃干凈,防止掉落傷
Plasterers Security Technology Details

1, Masonry Construction:
 ⒈ excavation of earth to keep distance between the two operations 2 ~ 3m, and top-down floor by floor mining, prohibit the operation method to dig holes.
 ⒉ trench excavation, foundation, etc., should be based on soil and site construction workers clarification at Slope, excavated soil should be stacked outside the pit side of 1m, forklifts must not exceed 1.5m.

 ⒊ puzzle base, the foundation should be checked and regular attention to soil changes, with or without crack phenomenon. Stacking materials, leave the pit side for more than 1m. When the pit wall protection shall be provided more support, the operator should set the ladder up and down, not climbing jump, transport material may not impact support.

 ⒋ masonry wall height of more than 1.2m should scaffold erection. In the layer above or more than 4m high scaffold to be used in wall hung safety nets, scaffolding should be tied to protect oneself by external standards operate behind bars.

 ⒌ with the external walls and inside the frame, the frame is lower than the wall plate 20cm, wall display in accordance with the provisions of the safety net.
 ⒍ scaffold shall not exceed three skin brick heap, not stack anvil corner shelf, in addition to operating level, the upper and lower frame allows only heap sporadic skin material, not multi-piled material.

 ⒎ the high walls, the switch should be oriented anvil wall, should be completed working on the scaffold board and brick walls broken brick, mortar cleaned to prevent falling injuries
 

下載地址

前往下載

亚洲aⅴ男人的天堂在线观看| 国产精品久久久久7777| 丰满人妻无码∧v区视频| 国模视频一区| 国产性精品| 中文字幕巨乱亚洲| 国产精品国产三级国产试看| V一区无码内射国产| 国产亚洲999精品AA片在线爽| 亚洲av永久无码精品秋霞电影影院| 亚洲天堂网站在线| 久久综合干| 国产精品人人爽人人做我的可爱| 亚洲AV无码久久天堂| 亚洲av本道一区二区| 国产视频最新| 中文无码日韩欧免费视频| 自拍啪啪国产亚洲精品拍拍拍拍拍| 国产精品区一区第一页| 国产91丝袜| 久久精品a亚洲国产v高清不卡| 国产一区二区三区AV在线无码观看| 国产妇女乱一性一交| 亚洲精品5555在线| 国模大胆一区二区三区| 亚洲av影片一区二区三区| 国产精品自拍一二三四区| 狠狠躁夜夜躁人人爽天天天天97| 中文字幕人妻第一区| 少妇人妻互换不带套| 国产女同疯狂作爱系列| 国产精品久久精品| 亚洲精品网站在线观看你懂的| 国产精品久久久久久人妻精品动漫| 亚洲日韩av无码中文字幕美国 | 依依成人影视国产精品| 国产精品久久久久久2021| 国产情侣激情在线对白| 亚洲香蕉伊综合在人在线| 2020中文字字幕在线不卡| 国产在线精品一区二区在线观看|