扣件式鋼管腳手架計(jì)算書

1、目錄目錄1工程概況工程概況.......................................................................................................12支架結(jié)構(gòu)與材料支架結(jié)構(gòu)與材料........................................................................................

2、...12.1支架結(jié)構(gòu)..............................................................................................12.2材料特性..............................................................................................23荷載標(biāo)準(zhǔn)計(jì)算荷載標(biāo)準(zhǔn)計(jì)

3、算...............................................................................................24大橫桿計(jì)算大橫桿計(jì)算...................................................................................................34.1大橫桿荷載計(jì)算..

4、................................................................................34.2強(qiáng)度計(jì)算..............................................................................................34.3撓度計(jì)算..............................

5、................................................................45小橫桿的計(jì)算小橫桿的計(jì)算...............................................................................................45.1小橫桿荷載計(jì)算....................................

6、..............................................45.2強(qiáng)度計(jì)算.............................................................................................45.3撓度計(jì)算.................................................................

7、.............................56扣件的抗滑承載力計(jì)算扣件的抗滑承載力計(jì)算:..............................................................................57立桿計(jì)算：立桿計(jì)算：..............................................................................

8、.....................67.1荷載計(jì)算:............................................................................................67.2立桿的穩(wěn)定性計(jì)算:............................................................................67.3最大搭設(shè)高

9、度的計(jì)算..........................................................................78連接件的計(jì)算連接件的計(jì)算...............................................................................................89立桿的地基承載力計(jì)算立桿的地基承載力計(jì)算...........

10、....................................................................9第1頁共9頁2.22.2材料特性材料特性鋼管截面幾何特性鋼管截面幾何特性鋼材的強(qiáng)度設(shè)計(jì)值及彈性模量鋼材的強(qiáng)度設(shè)計(jì)值及彈性模量(Nmm2)(Nmm2)扣件、底座、可調(diào)托撐的承載力設(shè)計(jì)值扣件、底座、可調(diào)托撐的承載力設(shè)計(jì)值(kN)(kN)受壓、受拉構(gòu)件的容許長細(xì)比受壓、受拉構(gòu)件的容許長細(xì)比單、雙排腳手架立桿

11、承受的每米結(jié)構(gòu)自重標(biāo)準(zhǔn)值單、雙排腳手架立桿承受的每米結(jié)構(gòu)自重標(biāo)準(zhǔn)值gk（kNmkNm）3荷載標(biāo)準(zhǔn)計(jì)算荷載標(biāo)準(zhǔn)計(jì)算作用于腳手架的荷載可分為永久荷載（恒荷載）與可變荷載（活荷載）。雙排架腳手架永久荷載包含下列內(nèi)容：（1）架體結(jié)構(gòu)自重：包括立桿、縱向水平桿、橫橋向水平桿、剪刀撐、扣件的自重；（2）構(gòu)、配件自重：包括腳手板、欄桿、擋腳板、安全網(wǎng)等防護(hù)設(shè)施的自重。外徑φd壁厚t(mm)截面積A（cm2）慣性矩I（cm4）截面模量W（cm3）回轉(zhuǎn)半