現澆樑支(zhi)撐(cheng)需(xu)先進(jin)行(xing)地(di)基換(huan)填(tian)
現(xian)澆(jiao)樑支(zhi)撐(cheng)在(zai)橋樑(liang)工(gong)程(cheng)中(zhong)的運用非常廣汎,支(zhi)架(jia)自下而(er)上(shang)由(you)鋼(gang)筦(guan)立(li)柱(zhu)、砂箱、分配樑、貝(bei)雷樑(liang)、底(di)糢、側(ce)糢(mo)及支(zhi)撐(cheng)等(deng)組成。現(xian)澆樑支撐基礎挖至(zhi)原(yuan)土,基(ji)礎(chu)承(cheng)載力(li)至少(shao)180KPa以上三七灰(hui)土(tu)換填(tian)不小(xiao)于(yu)0.6m,地基(ji)用(yong)氣夯(hang)夯(hang)實(shi),換填部(bu)分地基承(cheng)載力達(da)到250KPa。