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路基工程土工格柵施工工藝流程

發(fā)布時(shí)間:2018-12-07    本文被閱讀 :

  施工預(yù)備(運(yùn)料、放樣)→基底處理(清凈)→土工格柵鋪設(shè)(鋪設(shè)辦法、搭接寬度)→填料(辦法、粒徑)→翻卷格柵→基層格柵鋪筑。路基工程土工格柵施工規(guī)范做法。施工辦法:地基處理首要對(duì)基層進(jìn)行整平、碾壓,要求平坦度不大于15㎜,壓實(shí)度到達(dá)規(guī)劃要求,外表禁止有碎石、塊石等堅(jiān)固凸出物。


  土工格柵鋪設(shè)寄存和鋪設(shè)土工格柵時(shí),防止曝曬和長(zhǎng)期露出,防止功能劣化。垂直于線路方向鋪設(shè),搭接契合規(guī)劃圖紙要求,聯(lián)合結(jié)實(shí),在受力方向聯(lián)接處的強(qiáng)度不低于資料規(guī)劃抗拉強(qiáng)度,且其疊合長(zhǎng)度不小于20cm。

  土工格柵質(zhì)量契合規(guī)劃圖紙的規(guī)則。施工堅(jiān)持連續(xù)性,不呈現(xiàn)歪曲、折皺、堆疊,留意繃緊格柵使其受力,用人工拉緊,使其均勻、平坦、緊貼下承面,選用插釘?shù)绒k法固定。土工格柵時(shí),長(zhǎng)孔方向和線路橫斷面方向共同,土工格柵要拉直拉平。格柵端頭按規(guī)劃處理。

  在鋪完格柵后,應(yīng)及時(shí)進(jìn)行填筑。填筑按"先兩頭,后中心"的準(zhǔn)則對(duì)稱進(jìn)行,禁止先填路堤中部。填料不允許直接卸在土工格柵上,有必要卸在已攤鋪完結(jié)的土面上,卸料高度不大于1m.全部車輛、施工機(jī)械不得直接在鋪好的土工格柵行走,只容許沿路堤方向行進(jìn)。


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