999久久久无码国产精品-GOGO人体大胆全球少妇-又硬又粗又长又爽免费看-西西人体自慰gogo-久草免费福利资源站在线观看

連江中凱地(di)產(chan)玻璃鋼模(mo)壓化(hua)糞池安裝現場的(de)地(di)基承載力(li)宜不(bu)(bu)小于100kN/㎡，無地(di)下(xia)水時，采用(yong)200mm厚砂(sha)(sha)墊層(ceng)(ceng)(ceng)(ceng)；若有(you)地(di)下(xia)水或軟基層(ceng)(ceng)(ceng)(ceng)時，先澆筑C10混凝土墊層(ceng)(ceng)(ceng)(ceng)，鋪100mm厚砂(sha)(sha)墊層(ceng)(ceng)(ceng)(ceng)；在濕陷性黃土地(di)區，做300mm厚3:7灰土墊層(ceng)(ceng)(ceng)(ceng)分層(ceng)(ceng)(ceng)(ceng)夯實，壓實系數(shu)不(bu)(bu)小于0.95。施工時注意不(bu)(bu)得超挖(wa)，超挖(wa)必須(xu)回填夯實并(bing)保密(mi)實度。基礎(chu)墊層(ceng)(ceng)(ceng)(ceng)處理完后，在墊層(ceng)(ceng)(ceng)(ceng)上(shang)做5cm～10cm的(de)砂(sha)(sha)墊層(ceng)(ceng)(ceng)(ceng)，砂(sha)(sha)墊層(ceng)(ceng)(ceng)(ceng)要求采用(yong)不(bu)(bu)含有(you)草根(gen)等有(you)機質雜(za)物(wu)的(de)砂(sha)(sha)。