竹腳手架搭設(shè)安全技術(shù)交底.doc
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竹腳手架搭設(shè)安全技術(shù)交底
一、 一般規(guī)定:
二、 ⒈選材:使用生長(zhǎng)四年以上的毛竹,青嫩、枯黃、蟲蛀、腐爛,裂縫(透節(jié)二節(jié)以上)不得使用。
⒉綁扎:使用水蔥竹篾、廣篾。不得一扣綁三根。
⒊毛竹直徑:立桿、大橫桿、剪刀撐、拋撐、頂撐的小頭有效直徑應(yīng)≥7cm。橫擔(dān)(小橫桿)≥9cm。
⒋架子高度在24m以內(nèi),24m以上應(yīng)有編制設(shè)計(jì)方案和審批。
⒌砌筑腳手架上的均布荷載不得超過270kg/m2 ,裝飾腳手架上的均布荷載不得超過200kg/m2 。
三、 立桿:
⒈放樣:腳手架搭設(shè)范圍內(nèi)的地基要整平夯實(shí)。
⑴ 根據(jù)施工員的交底和建筑物的特點(diǎn),確定立桿縱、橫向間距,現(xiàn)場(chǎng)拉線,釘竹簽放樣。
⑵ 根據(jù)建筑物的總高度和特點(diǎn)及施工要求確定架子的步距(應(yīng)≤1.8),以及第一皮架子的高度。
⒉埋深30~50cm,下墊砧石,土質(zhì)松軟或挖坑有困難時(shí),要綁掃地桿。
⒊橫向間距:1~1.2m,里立桿離墻≤20cm。
⒋縱向間距:1.3~1.5m(誤差土5cm)。超過15m高的架子立桿間距不得大于1.5m。外立桿應(yīng)高出屋面1.2~1.5m。
⒌垂直度:轉(zhuǎn)角處≤10cm,架子中間≤15cm。
⒍立桿搭接長(zhǎng)度:不小于1.8m,而且接頭要跨過一
Bamboo Scaffolding Safety Technology Details
I. General provisions:
Second, ⒈ selection: the growth of more than four years using bamboo, green and tender, yellow, insects, rot, crack (through section 2 above) shall not be used.
⒉ Binding: Use Shuicong Bamboo, bamboo wide. A deduction shall not be tied three.
⒊ bamboo diameter: pole, a large bar, bridging, bracing, roof support effective diameter of the small head should be ≥ 7cm. Cross arms (small bar) ≥ 9cm.
⒋ shelf height less than 24m, 24m or more should be the preparation of design and approval.
⒌ masonry scaffolding on the uniform load must not exceed 270kg/m2, decorative scaffolding on a uniformly distributed load shall not exceed 200kg/m2.
3, Pole:
⒈ Setting: Scaffolding within the compacted foundation to leveling.
⑴ members under the classification of components and construction features of the building to determine the pole vertical and horizontal spacing, live wires, nails bamboo lofting.
⑵ according to the total height of the building and construction requirements and characteristics determine the shelf of Step (should be ≤ 1.8), and the first skin shelf height.
⒉ depth of 30 ~ 50cm, Xiadian anvil stone, loose soil, or digging a difficulty, to tie sweep shot.
⒊ horizontal distance: 1 ~ 1.2m, in pole away from the wall ≤ 20cm.
⒋ vertical distance: 1.3 ~ 1.5m (error soil 5cm). More than 15m high pole shelf spacing no larger than 1.5m. Outside the pole above the roof should be 1.2 ~ 1.5m.
⒌ verticality: the corner ≤ 10cm, middle shelf ≤ 15cm.
⒍ Pole Lap length: not less than 1.8m, and a connector to be taken
