
在樓梯(ti)施工(gong)當中(zhong)(zhong),安裝工(gong)人經常由(you)于一(yi)個問題出(chu)錯:樓梯(ti)尺(chi)(chi)寸(cun)。因為裝修(xiu)設(she)計(ji)圖(tu)(tu)上的(de)層(ceng)(ceng)(ceng)高(gao)(gao)和建(jian)筑(zhu)結(jie)構(gou)(gou)圖(tu)(tu)中(zhong)(zhong)的(de)高(gao)(gao)度(du)是不(bu)一(yi)樣的(de),建(jian)筑(zhu)結(jie)構(gou)(gou)圖(tu)(tu)中(zhong)(zhong)的(de)高(gao)(gao)度(du)不(bu)含裝飾(shi)層(ceng)(ceng)(ceng)的(de)厚度(du)尺(chi)(chi)寸(cun),需要另外計(ji)算。一(yi)個樓梯(ti)設(she)計(ji)師對于層(ceng)(ceng)(ceng)高(gao)(gao)經常不(bu)加考慮的(de)使用(yong)了(le)建(jian)筑(zhu)結(jie)構(gou)(gou)圖(tu)(tu)的(de)層(ceng)(ceng)(ceng)高(gao)(gao),而沒有計(ji)算裝飾(shi)層(ceng)(ceng)(ceng)的(de)因素(su),所以為了(le)避免此類錯誤(wu),裝修(xiu)工(gong)應該首先用(yong)墨線彈出(chu)裝飾(shi)層(ceng)(ceng)(ceng)的(de)高(gao)(gao)度(du),然后測量人員需要對層(ceng)(ceng)(ceng)高(gao)(gao)重新測量。
彈墨線(xian)(xian):將墨線(xian)(xian)在豎(shu)直方向向下平移150,就(jiu)得到墨線(xian)(xian),墨線(xian)(xian)與墨線(xian)(xian)在豎(shu)直方向上的距(ju)離;就(jiu)是梯級模板高度(du)(150)。
彈梯極模板線有下兩種方法:
1、利用水平尺;
2、將墨(mo)線或墨(mo)線九等分(fen)(即踏步(bu)數),然后,由各(ge)(ge)等分(fen)點(dian)作垂直線,就可(ke)以(yi)得到各(ge)(ge)梯(ti)級的模板線。
彈(dan)豎直(zhi)墨線(xian)(xian):在樓(lou)梯(ti)尺(chi)寸梁(liang)內側墻(qiang)面(mian)上(shang)(shang)(shang)彈(dan)兩條(tiao)豎直(zhi)墨線(xian)(xian);間(jian)距為9個踏(ta)(ta)步的(de)寬度;即300×9=2700()。同(tong)樣(yang)在樓(lou)梯(ti)梁(liang)另一(yi)端墻(qiang)面(mian)上(shang)(shang)(shang),也彈(dan)兩條(tiao)豎直(zhi)墨線(xian)(xian)(在剖面(mian)圖中,只能看到墨線(xian)(xian)、)。在立上(shang)(shang)(shang)層樓(lou)梯(ti)模板前,均應將(jiang)墨線(xian)(xian)、用(yong)錘球或經(jing)緯儀引(yin)至(zhi)上(shang)(shang)(shang)層墻(qiang)面(mian)上(shang)(shang)(shang),這樣(yang)可將(jiang)樓(lou)梯(ti)梁(liang)上(shang)(shang)(shang)下控制在廣條(tiao)直(zhi)線(xian)(xian)上(shang)(shang)(shang),保證(zheng)踏(ta)(ta)步寬度尺(chi)寸一(yi)致。
彈斜墨線(xian):首先(xian)應求(qiu)出(chu)梯(ti)段(duan)(duan)板底與(yu)樓(lou)梯(ti)梁交線(xian)的(de)標(biao)(biao)(biao)高(gao),求(qiu)此(ci)標(biao)(biao)(biao)高(gao)需(xu)用(yong)到樓(lou)梯(ti)坡(po)度(du)和梯(ti)板厚(hou)度(du)1,然(ran)后(hou)求(qiu)出(chu)梯(ti)段(duan)(duan)板與(yu)梯(ti)梁交接處的(de)厚(hou)度(du)2,其(qi)中坡(po)度(du)=150/300=0.5,梯(ti)板厚(hou)度(du)1=80,而(er)2用(yong)勾股(gu)定理根據比例就(jiu)可以簡單地算(suan)出(chu),也就(jiu)是(shi)梯(ti)段(duan)(duan)底模板上平位置,點(dian)的(de)標(biao)(biao)(biao)高(gao)為(1.48-0.15-0.089)=1.241,點(dian)的(de)標(biao)(biao)(biao)高(gao)應該(gai)為-(0.020+0.089)=-0.109。連(lian)接、就(jiu)是(shi)墨線(xian)。將(jiang)計算(suan)出(chu)的(de)標(biao)(biao)(biao)高(gao)標(biao)(biao)(biao)注在放線(xian)圖上,以備(bei)施(shi)工時使用(yong)。依此(ci)可 求(qiu)出(chu)其(qi)他梯(ti)段(duan)(duan)所需(xu)標(biao)(biao)(biao)高(gao)。
彈(dan)斜墨線(xian)(xian):從標高(gao)為-0.02的水(shui)平(ping)線(xian)(xian)與(yu)墨線(xian)(xian)交(jiao)點向上量出一個踏步高(gao)度(150);得(de)點。將點與(yu)標高(gao)為1.48的水(shui)平(ping)線(xian)(xian)和墨線(xian)(xian)交(jiao)點連(lian)接起(qi)來,就是墨線(xian)(xian)。同樣(yang)也彈(dan)出上面梯段的墨線(xian)(xian)。
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