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人工回填施工工藝標(biāo)準(zhǔn)

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人工回填施工工藝標(biāo)準(zhǔn) ZJG/J/A 010102-2003 1定義及適用范圍 土方回填,系用人力或機(jī)械對(duì)場(chǎng)地、基坑(槽)進(jìn)行分層回填夯實(shí),以保證達(dá)到要求的密實(shí)度。本 工藝標(biāo)準(zhǔn)適用于一般工業(yè)和民用建筑物中的基坑、基槽、室內(nèi)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(yōu)先利用基槽中挖出的土,但不得含有有機(jī)雜質(zhì),使用前應(yīng)過(guò)篩,其粒徑不大于 50mm, 含水率應(yīng)符合規(guī)定。 2.2 石屑:不含有機(jī)雜質(zhì),粒徑不大于 50mm。 2.3 粘性土:含水量符合壓實(shí)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(guò)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(jī)質(zhì)含量不大于 8%的土:僅可用于無(wú)壓實(shí)要求的填土。 2.6 淤泥和淤泥質(zhì)土:一般不能用作土料。 3機(jī)具設(shè)備 人工回填主要機(jī)具設(shè)備有:鐵鍬、手推車、木夯、蛙式打夯機(jī)、篩子、噴壺等

級(jí)配砂石回填施工工藝標(biāo)準(zhǔn)

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僅供個(gè)人學(xué)習(xí)參考 目次 1適用范圍 ··························································· 1 2引用標(biāo)準(zhǔn) ··························································· 1 3術(shù)語(yǔ) ··························································· 1 4材料要求 ··························································· 1 5施工準(zhǔn)備 ·························································· 1 6操作工藝 ·········································

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