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目 錄......................................................................................................................................................... ........................................................................................................................................... ................................................................................................................................... ......................................................................................................................................... ........................................................................................................................................... ....................................................................................................................... ........................................................................................................................................... ................................................................................................................................. ...................................................................................................................................... ....................................................................................................................................... ................................................................................................................................. ................................................................................................................................................... ................................................................................................................................................... ....................................................................................................................................... ........................................................................................................................................... ................................................................................................................................................. ................................................................................................................................................... ................................................................................................................................... ......................................................................................................................................... ................................................................................................................................... ........................................................................................................................................... ................................................................................................................................... ....................................................................................................................... 1、工程概況

×0.5m=5.5m

2、施工方法簡介

1、地基處理

40×

2、材料選用和質(zhì)量要求鋼管規(guī)格為φ48×3.5mm，且有產(chǎn)品合格證。鋼管的端部切口應(yīng)平整，禁止使用GB15831）的規(guī)定選用，且與鋼管管

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支架扣件》（GB15831）的規(guī)定抽樣檢測。舊扣件使用前應(yīng)進行質(zhì)量檢查，有裂縫、變3、支架安裝

0.5m；縱向間距均為

1.支架數(shù)量計算

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橫橋向列數(shù):3÷0.5+1.25÷0.6×2+1=13

則：支架底座數(shù)量為：68×13=884

支架頂托數(shù)量為：68×13=884

米架管：884

米架管：368

米架管：320

2、支架的搭設(shè)

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1m

1、目的2、堆載

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3、監(jiān)測點布設(shè)在堆載區(qū)設(shè)置系統(tǒng)測量點，其分布跨中、1/4

1 2 3 4 5箱梁縱剖面觀測點斷面示意圖1 2 3箱梁橫斷面觀測點斷面示意圖4、監(jiān)測方法為了找出支架在上部荷載作用下的塑性、彈性變形，在加載50%和

1、荷載

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混凝土體積為：170m3

箱梁的總重力為：26KN/m3×170m3=4420KN底板面積為：3m×40m=120

=4420KN÷120

130－2011】表

可查的得為：0.85

施工人員及設(shè)備荷載標(biāo)準(zhǔn)值按均布活荷載取：F

振動混凝土所產(chǎn)生的荷載標(biāo)準(zhǔn)值可采用：F

2、支架受力計算

a、支架自重：根據(jù)《建筑施工扣件式鋼管腳手架安全技術(shù)規(guī)范》

－2011

0.5，縱距

kN/m，滿堂支撐架總高為

KN。

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（0.35+0.17）×0.5×0.6=0.156

c、立桿承受混凝土重力：N

=36.83×0.5×0.6=11.05KN

、立桿承受其余荷載重力：N

=（0.75+0.85+1+1）×0.5×0.6=1.08KN