格式:pdf
大?。?span class="single-tag-height">9KB
頁數: 4頁
人工回填施工工藝標準 ZJG/J/A 010102-2003 1定義及適用范圍 土方回填,系用人力或機械對場地、基坑(槽)進行分層回填夯實,以保證達到要求的密實度。本 工藝標準適用于一般工業和民用建筑物中的基坑、基槽、室內地坪、管溝、室外散水等人工回填土。 2材料要求 2.1 土料:宜優先利用基槽中挖出的土,但不得含有有機雜質,使用前應過篩,其粒徑不大于 50mm, 含水率應符合規定。 2.2 石屑:不含有機雜質,粒徑不大于 50mm。 2.3 粘性土:含水量符合壓實要求,可用作各層填料。 2.4 碎石類土,砂石和爆破石渣: 其最大塊粒徑不得超過每層鋪墊厚度的 2/3 ,可用作表層以下填料。 2.5 碎塊草皮和有機質含量不大于 8%的土:僅可用于無壓實要求的填土。 2.6 淤泥和淤泥質土:一般不能用作土料。 3機具設備 人工回填主要機具設備有:鐵鍬、手推車、木夯、蛙式打夯機、篩子、噴壺等
格式:pdf
大小:154KB
頁數: 4頁
僅供個人學習參考 目次 1適用范圍 ··························································· 1 2引用標準 ··························································· 1 3術語 ··························································· 1 4材料要求 ··························································· 1 5施工準備 ·························································· 1 6操作工藝 ·········································